diff --git a/dist/cleanup/index.js b/dist/cleanup/index.js index 019e6d1..e0cb369 100644 --- a/dist/cleanup/index.js +++ b/dist/cleanup/index.js @@ -56814,6 +56814,1279 @@ function expand(str, isTop) { +/***/ }), + +/***/ 3893: +/***/ ((__unused_webpack_module, exports, __nccwpck_require__) => { + +const Canvas = __nccwpck_require__(3589) +const Image = __nccwpck_require__(7372) +const CanvasRenderingContext2D = __nccwpck_require__(6292) +const CanvasPattern = __nccwpck_require__(1067) +const parseFont = __nccwpck_require__(7382) +const packageJson = __nccwpck_require__(8392) +const bindings = __nccwpck_require__(1847) +const fs = __nccwpck_require__(7147) +const PNGStream = __nccwpck_require__(7157) +const PDFStream = __nccwpck_require__(5032) +const JPEGStream = __nccwpck_require__(8871) +const { DOMPoint, DOMMatrix } = __nccwpck_require__(4381) + +function createCanvas (width, height, type) { + return new Canvas(width, height, type) +} + +function createImageData (array, width, height) { + return new bindings.ImageData(array, width, height) +} + +function loadImage (src) { + return new Promise((resolve, reject) => { + const image = new Image() + + function cleanup () { + image.onload = null + image.onerror = null + } + + image.onload = () => { cleanup(); resolve(image) } + image.onerror = (err) => { cleanup(); reject(err) } + + image.src = src + }) +} + +/** + * Resolve paths for registerFont. Must be called *before* creating a Canvas + * instance. + * @param src {string} Path to font file. + * @param fontFace {{family: string, weight?: string, style?: string}} Object + * specifying font information. `weight` and `style` default to `"normal"`. + */ +function registerFont (src, fontFace) { + // TODO this doesn't need to be on Canvas; it should just be a static method + // of `bindings`. + return Canvas._registerFont(fs.realpathSync(src), fontFace) +} + +/** + * Unload all fonts from pango to free up memory + */ +function deregisterAllFonts () { + return Canvas._deregisterAllFonts() +} + +exports.Canvas = Canvas +exports.Context2d = CanvasRenderingContext2D // Legacy/compat export +exports.CanvasRenderingContext2D = CanvasRenderingContext2D +exports.CanvasGradient = bindings.CanvasGradient +exports.CanvasPattern = CanvasPattern +exports.Image = Image +exports.ImageData = bindings.ImageData +exports.PNGStream = PNGStream +exports.PDFStream = PDFStream +exports.JPEGStream = JPEGStream +exports.DOMMatrix = DOMMatrix +exports.DOMPoint = DOMPoint + +exports.registerFont = registerFont +exports.deregisterAllFonts = deregisterAllFonts +exports.parseFont = parseFont + +exports.createCanvas = createCanvas +exports.createImageData = createImageData +exports.loadImage = loadImage + +exports.backends = bindings.Backends + +/** Library version. */ +exports.version = packageJson.version +/** Cairo version. */ +exports.cairoVersion = bindings.cairoVersion +/** jpeglib version. */ +exports.jpegVersion = bindings.jpegVersion +/** gif_lib version. */ +exports.gifVersion = bindings.gifVersion ? bindings.gifVersion.replace(/[^.\d]/g, '') : undefined +/** freetype version. */ +exports.freetypeVersion = bindings.freetypeVersion +/** rsvg version. */ +exports.rsvgVersion = bindings.rsvgVersion +/** pango version. */ +exports.pangoVersion = bindings.pangoVersion + + +/***/ }), + +/***/ 4381: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +const util = __nccwpck_require__(3837) + +// DOMMatrix per https://drafts.fxtf.org/geometry/#DOMMatrix + +class DOMPoint { + constructor (x, y, z, w) { + if (typeof x === 'object' && x !== null) { + w = x.w + z = x.z + y = x.y + x = x.x + } + this.x = typeof x === 'number' ? x : 0 + this.y = typeof y === 'number' ? y : 0 + this.z = typeof z === 'number' ? z : 0 + this.w = typeof w === 'number' ? w : 1 + } +} + +// Constants to index into _values (col-major) +const M11 = 0; const M12 = 1; const M13 = 2; const M14 = 3 +const M21 = 4; const M22 = 5; const M23 = 6; const M24 = 7 +const M31 = 8; const M32 = 9; const M33 = 10; const M34 = 11 +const M41 = 12; const M42 = 13; const M43 = 14; const M44 = 15 + +const DEGREE_PER_RAD = 180 / Math.PI +const RAD_PER_DEGREE = Math.PI / 180 + +function parseMatrix (init) { + let parsed = init.replace('matrix(', '') + parsed = parsed.split(',', 7) // 6 + 1 to handle too many params + if (parsed.length !== 6) throw new Error(`Failed to parse ${init}`) + parsed = parsed.map(parseFloat) + return [ + parsed[0], parsed[1], 0, 0, + parsed[2], parsed[3], 0, 0, + 0, 0, 1, 0, + parsed[4], parsed[5], 0, 1 + ] +} + +function parseMatrix3d (init) { + let parsed = init.replace('matrix3d(', '') + parsed = parsed.split(',', 17) // 16 + 1 to handle too many params + if (parsed.length !== 16) throw new Error(`Failed to parse ${init}`) + return parsed.map(parseFloat) +} + +function parseTransform (tform) { + const type = tform.split('(', 1)[0] + switch (type) { + case 'matrix': + return parseMatrix(tform) + case 'matrix3d': + return parseMatrix3d(tform) + // TODO This is supposed to support any CSS transform value. + default: + throw new Error(`${type} parsing not implemented`) + } +} + +class DOMMatrix { + constructor (init) { + this._is2D = true + this._values = new Float64Array([ + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ]) + + let i + + if (typeof init === 'string') { // parse CSS transformList + if (init === '') return // default identity matrix + const tforms = init.split(/\)\s+/, 20).map(parseTransform) + if (tforms.length === 0) return + init = tforms[0] + for (i = 1; i < tforms.length; i++) init = multiply(tforms[i], init) + } + + i = 0 + if (init && init.length === 6) { + setNumber2D(this, M11, init[i++]) + setNumber2D(this, M12, init[i++]) + setNumber2D(this, M21, init[i++]) + setNumber2D(this, M22, init[i++]) + setNumber2D(this, M41, init[i++]) + setNumber2D(this, M42, init[i++]) + } else if (init && init.length === 16) { + setNumber2D(this, M11, init[i++]) + setNumber2D(this, M12, init[i++]) + setNumber3D(this, M13, init[i++]) + setNumber3D(this, M14, init[i++]) + setNumber2D(this, M21, init[i++]) + setNumber2D(this, M22, init[i++]) + setNumber3D(this, M23, init[i++]) + setNumber3D(this, M24, init[i++]) + setNumber3D(this, M31, init[i++]) + setNumber3D(this, M32, init[i++]) + setNumber3D(this, M33, init[i++]) + setNumber3D(this, M34, init[i++]) + setNumber2D(this, M41, init[i++]) + setNumber2D(this, M42, init[i++]) + setNumber3D(this, M43, init[i++]) + setNumber3D(this, M44, init[i]) + } else if (init !== undefined) { + throw new TypeError('Expected string or array.') + } + } + + toString () { + return this.is2D + ? `matrix(${this.a}, ${this.b}, ${this.c}, ${this.d}, ${this.e}, ${this.f})` + : `matrix3d(${this._values.join(', ')})` + } + + multiply (other) { + return newInstance(this._values).multiplySelf(other) + } + + multiplySelf (other) { + this._values = multiply(other._values, this._values) + if (!other.is2D) this._is2D = false + return this + } + + preMultiplySelf (other) { + this._values = multiply(this._values, other._values) + if (!other.is2D) this._is2D = false + return this + } + + translate (tx, ty, tz) { + return newInstance(this._values).translateSelf(tx, ty, tz) + } + + translateSelf (tx, ty, tz) { + if (typeof tx !== 'number') tx = 0 + if (typeof ty !== 'number') ty = 0 + if (typeof tz !== 'number') tz = 0 + this._values = multiply([ + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + tx, ty, tz, 1 + ], this._values) + if (tz !== 0) this._is2D = false + return this + } + + scale (scaleX, scaleY, scaleZ, originX, originY, originZ) { + return newInstance(this._values).scaleSelf(scaleX, scaleY, scaleZ, originX, originY, originZ) + } + + scale3d (scale, originX, originY, originZ) { + return newInstance(this._values).scale3dSelf(scale, originX, originY, originZ) + } + + scale3dSelf (scale, originX, originY, originZ) { + return this.scaleSelf(scale, scale, scale, originX, originY, originZ) + } + + scaleSelf (scaleX, scaleY, scaleZ, originX, originY, originZ) { + // Not redundant with translate's checks because we need to negate the values later. + if (typeof originX !== 'number') originX = 0 + if (typeof originY !== 'number') originY = 0 + if (typeof originZ !== 'number') originZ = 0 + this.translateSelf(originX, originY, originZ) + if (typeof scaleX !== 'number') scaleX = 1 + if (typeof scaleY !== 'number') scaleY = scaleX + if (typeof scaleZ !== 'number') scaleZ = 1 + this._values = multiply([ + scaleX, 0, 0, 0, + 0, scaleY, 0, 0, + 0, 0, scaleZ, 0, + 0, 0, 0, 1 + ], this._values) + this.translateSelf(-originX, -originY, -originZ) + if (scaleZ !== 1 || originZ !== 0) this._is2D = false + return this + } + + rotateFromVector (x, y) { + return newInstance(this._values).rotateFromVectorSelf(x, y) + } + + rotateFromVectorSelf (x, y) { + if (typeof x !== 'number') x = 0 + if (typeof y !== 'number') y = 0 + const theta = (x === 0 && y === 0) ? 0 : Math.atan2(y, x) * DEGREE_PER_RAD + return this.rotateSelf(theta) + } + + rotate (rotX, rotY, rotZ) { + return newInstance(this._values).rotateSelf(rotX, rotY, rotZ) + } + + rotateSelf (rotX, rotY, rotZ) { + if (rotY === undefined && rotZ === undefined) { + rotZ = rotX + rotX = rotY = 0 + } + if (typeof rotY !== 'number') rotY = 0 + if (typeof rotZ !== 'number') rotZ = 0 + if (rotX !== 0 || rotY !== 0) this._is2D = false + rotX *= RAD_PER_DEGREE + rotY *= RAD_PER_DEGREE + rotZ *= RAD_PER_DEGREE + let c, s + c = Math.cos(rotZ) + s = Math.sin(rotZ) + this._values = multiply([ + c, s, 0, 0, + -s, c, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ], this._values) + c = Math.cos(rotY) + s = Math.sin(rotY) + this._values = multiply([ + c, 0, -s, 0, + 0, 1, 0, 0, + s, 0, c, 0, + 0, 0, 0, 1 + ], this._values) + c = Math.cos(rotX) + s = Math.sin(rotX) + this._values = multiply([ + 1, 0, 0, 0, + 0, c, s, 0, + 0, -s, c, 0, + 0, 0, 0, 1 + ], this._values) + return this + } + + rotateAxisAngle (x, y, z, angle) { + return newInstance(this._values).rotateAxisAngleSelf(x, y, z, angle) + } + + rotateAxisAngleSelf (x, y, z, angle) { + if (typeof x !== 'number') x = 0 + if (typeof y !== 'number') y = 0 + if (typeof z !== 'number') z = 0 + // Normalize axis + const length = Math.sqrt(x * x + y * y + z * z) + if (length === 0) return this + if (length !== 1) { + x /= length + y /= length + z /= length + } + angle *= RAD_PER_DEGREE + const c = Math.cos(angle) + const s = Math.sin(angle) + const t = 1 - c + const tx = t * x + const ty = t * y + // NB: This is the generic transform. If the axis is a major axis, there are + // faster transforms. + this._values = multiply([ + tx * x + c, tx * y + s * z, tx * z - s * y, 0, + tx * y - s * z, ty * y + c, ty * z + s * x, 0, + tx * z + s * y, ty * z - s * x, t * z * z + c, 0, + 0, 0, 0, 1 + ], this._values) + if (x !== 0 || y !== 0) this._is2D = false + return this + } + + skewX (sx) { + return newInstance(this._values).skewXSelf(sx) + } + + skewXSelf (sx) { + if (typeof sx !== 'number') return this + const t = Math.tan(sx * RAD_PER_DEGREE) + this._values = multiply([ + 1, 0, 0, 0, + t, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ], this._values) + return this + } + + skewY (sy) { + return newInstance(this._values).skewYSelf(sy) + } + + skewYSelf (sy) { + if (typeof sy !== 'number') return this + const t = Math.tan(sy * RAD_PER_DEGREE) + this._values = multiply([ + 1, t, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ], this._values) + return this + } + + flipX () { + return newInstance(multiply([ + -1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ], this._values)) + } + + flipY () { + return newInstance(multiply([ + 1, 0, 0, 0, + 0, -1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ], this._values)) + } + + inverse () { + return newInstance(this._values).invertSelf() + } + + invertSelf () { + const m = this._values + const inv = m.map(v => 0) + + inv[0] = m[5] * m[10] * m[15] - + m[5] * m[11] * m[14] - + m[9] * m[6] * m[15] + + m[9] * m[7] * m[14] + + m[13] * m[6] * m[11] - + m[13] * m[7] * m[10] + + inv[4] = -m[4] * m[10] * m[15] + + m[4] * m[11] * m[14] + + m[8] * m[6] * m[15] - + m[8] * m[7] * m[14] - + m[12] * m[6] * m[11] + + m[12] * m[7] * m[10] + + inv[8] = m[4] * m[9] * m[15] - + m[4] * m[11] * m[13] - + m[8] * m[5] * m[15] + + m[8] * m[7] * m[13] + + m[12] * m[5] * m[11] - + m[12] * m[7] * m[9] + + inv[12] = -m[4] * m[9] * m[14] + + m[4] * m[10] * m[13] + + m[8] * m[5] * m[14] - + m[8] * m[6] * m[13] - + m[12] * m[5] * m[10] + + m[12] * m[6] * m[9] + + // If the determinant is zero, this matrix cannot be inverted, and all + // values should be set to NaN, with the is2D flag set to false. + + const det = m[0] * inv[0] + m[1] * inv[4] + m[2] * inv[8] + m[3] * inv[12] + + if (det === 0) { + this._values = m.map(v => NaN) + this._is2D = false + return this + } + + inv[1] = -m[1] * m[10] * m[15] + + m[1] * m[11] * m[14] + + m[9] * m[2] * m[15] - + m[9] * m[3] * m[14] - + m[13] * m[2] * m[11] + + m[13] * m[3] * m[10] + + inv[5] = m[0] * m[10] * m[15] - + m[0] * m[11] * m[14] - + m[8] * m[2] * m[15] + + m[8] * m[3] * m[14] + + m[12] * m[2] * m[11] - + m[12] * m[3] * m[10] + + inv[9] = -m[0] * m[9] * m[15] + + m[0] * m[11] * m[13] + + m[8] * m[1] * m[15] - + m[8] * m[3] * m[13] - + m[12] * m[1] * m[11] + + m[12] * m[3] * m[9] + + inv[13] = m[0] * m[9] * m[14] - + m[0] * m[10] * m[13] - + m[8] * m[1] * m[14] + + m[8] * m[2] * m[13] + + m[12] * m[1] * m[10] - + m[12] * m[2] * m[9] + + inv[2] = m[1] * m[6] * m[15] - + m[1] * m[7] * m[14] - + m[5] * m[2] * m[15] + + m[5] * m[3] * m[14] + + m[13] * m[2] * m[7] - + m[13] * m[3] * m[6] + + inv[6] = -m[0] * m[6] * m[15] + + m[0] * m[7] * m[14] + + m[4] * m[2] * m[15] - + m[4] * m[3] * m[14] - + m[12] * m[2] * m[7] + + m[12] * m[3] * m[6] + + inv[10] = m[0] * m[5] * m[15] - + m[0] * m[7] * m[13] - + m[4] * m[1] * m[15] + + m[4] * m[3] * m[13] + + m[12] * m[1] * m[7] - + m[12] * m[3] * m[5] + + inv[14] = -m[0] * m[5] * m[14] + + m[0] * m[6] * m[13] + + m[4] * m[1] * m[14] - + m[4] * m[2] * m[13] - + m[12] * m[1] * m[6] + + m[12] * m[2] * m[5] + + inv[3] = -m[1] * m[6] * m[11] + + m[1] * m[7] * m[10] + + m[5] * m[2] * m[11] - + m[5] * m[3] * m[10] - + m[9] * m[2] * m[7] + + m[9] * m[3] * m[6] + + inv[7] = m[0] * m[6] * m[11] - + m[0] * m[7] * m[10] - + m[4] * m[2] * m[11] + + m[4] * m[3] * m[10] + + m[8] * m[2] * m[7] - + m[8] * m[3] * m[6] + + inv[11] = -m[0] * m[5] * m[11] + + m[0] * m[7] * m[9] + + m[4] * m[1] * m[11] - + m[4] * m[3] * m[9] - + m[8] * m[1] * m[7] + + m[8] * m[3] * m[5] + + inv[15] = m[0] * m[5] * m[10] - + m[0] * m[6] * m[9] - + m[4] * m[1] * m[10] + + m[4] * m[2] * m[9] + + m[8] * m[1] * m[6] - + m[8] * m[2] * m[5] + + inv.forEach((v, i) => { inv[i] = v / det }) + this._values = inv + return this + } + + setMatrixValue (transformList) { + const temp = new DOMMatrix(transformList) + this._values = temp._values + this._is2D = temp._is2D + return this + } + + transformPoint (point) { + point = new DOMPoint(point) + const x = point.x + const y = point.y + const z = point.z + const w = point.w + const values = this._values + const nx = values[M11] * x + values[M21] * y + values[M31] * z + values[M41] * w + const ny = values[M12] * x + values[M22] * y + values[M32] * z + values[M42] * w + const nz = values[M13] * x + values[M23] * y + values[M33] * z + values[M43] * w + const nw = values[M14] * x + values[M24] * y + values[M34] * z + values[M44] * w + return new DOMPoint(nx, ny, nz, nw) + } + + toFloat32Array () { + return Float32Array.from(this._values) + } + + toFloat64Array () { + return this._values.slice(0) + } + + static fromMatrix (init) { + if (!(init instanceof DOMMatrix)) throw new TypeError('Expected DOMMatrix') + return new DOMMatrix(init._values) + } + + static fromFloat32Array (init) { + if (!(init instanceof Float32Array)) throw new TypeError('Expected Float32Array') + return new DOMMatrix(init) + } + + static fromFloat64Array (init) { + if (!(init instanceof Float64Array)) throw new TypeError('Expected Float64Array') + return new DOMMatrix(init) + } + + [util.inspect.custom || 'inspect'] (depth, options) { + if (depth < 0) return '[DOMMatrix]' + + return `DOMMatrix [ + a: ${this.a} + b: ${this.b} + c: ${this.c} + d: ${this.d} + e: ${this.e} + f: ${this.f} + m11: ${this.m11} + m12: ${this.m12} + m13: ${this.m13} + m14: ${this.m14} + m21: ${this.m21} + m22: ${this.m22} + m23: ${this.m23} + m23: ${this.m23} + m31: ${this.m31} + m32: ${this.m32} + m33: ${this.m33} + m34: ${this.m34} + m41: ${this.m41} + m42: ${this.m42} + m43: ${this.m43} + m44: ${this.m44} + is2D: ${this.is2D} + isIdentity: ${this.isIdentity} ]` + } +} + +/** + * Checks that `value` is a number and sets the value. + */ +function setNumber2D (receiver, index, value) { + if (typeof value !== 'number') throw new TypeError('Expected number') + return (receiver._values[index] = value) +} + +/** + * Checks that `value` is a number, sets `_is2D = false` if necessary and sets + * the value. + */ +function setNumber3D (receiver, index, value) { + if (typeof value !== 'number') throw new TypeError('Expected number') + if (index === M33 || index === M44) { + if (value !== 1) receiver._is2D = false + } else if (value !== 0) receiver._is2D = false + return (receiver._values[index] = value) +} + +Object.defineProperties(DOMMatrix.prototype, { + m11: { get () { return this._values[M11] }, set (v) { return setNumber2D(this, M11, v) } }, + m12: { get () { return this._values[M12] }, set (v) { return setNumber2D(this, M12, v) } }, + m13: { get () { return this._values[M13] }, set (v) { return setNumber3D(this, M13, v) } }, + m14: { get () { return this._values[M14] }, set (v) { return setNumber3D(this, M14, v) } }, + m21: { get () { return this._values[M21] }, set (v) { return setNumber2D(this, M21, v) } }, + m22: { get () { return this._values[M22] }, set (v) { return setNumber2D(this, M22, v) } }, + m23: { get () { return this._values[M23] }, set (v) { return setNumber3D(this, M23, v) } }, + m24: { get () { return this._values[M24] }, set (v) { return setNumber3D(this, M24, v) } }, + m31: { get () { return this._values[M31] }, set (v) { return setNumber3D(this, M31, v) } }, + m32: { get () { return this._values[M32] }, set (v) { return setNumber3D(this, M32, v) } }, + m33: { get () { return this._values[M33] }, set (v) { return setNumber3D(this, M33, v) } }, + m34: { get () { return this._values[M34] }, set (v) { return setNumber3D(this, M34, v) } }, + m41: { get () { return this._values[M41] }, set (v) { return setNumber2D(this, M41, v) } }, + m42: { get () { return this._values[M42] }, set (v) { return setNumber2D(this, M42, v) } }, + m43: { get () { return this._values[M43] }, set (v) { return setNumber3D(this, M43, v) } }, + m44: { get () { return this._values[M44] }, set (v) { return setNumber3D(this, M44, v) } }, + + a: { get () { return this.m11 }, set (v) { return (this.m11 = v) } }, + b: { get () { return this.m12 }, set (v) { return (this.m12 = v) } }, + c: { get () { return this.m21 }, set (v) { return (this.m21 = v) } }, + d: { get () { return this.m22 }, set (v) { return (this.m22 = v) } }, + e: { get () { return this.m41 }, set (v) { return (this.m41 = v) } }, + f: { get () { return this.m42 }, set (v) { return (this.m42 = v) } }, + + is2D: { get () { return this._is2D } }, // read-only + + isIdentity: { + get () { + const values = this._values + return (values[M11] === 1 && values[M12] === 0 && values[M13] === 0 && values[M14] === 0 && + values[M21] === 0 && values[M22] === 1 && values[M23] === 0 && values[M24] === 0 && + values[M31] === 0 && values[M32] === 0 && values[M33] === 1 && values[M34] === 0 && + values[M41] === 0 && values[M42] === 0 && values[M43] === 0 && values[M44] === 1) + } + } +}) + +/** + * Instantiates a DOMMatrix, bypassing the constructor. + * @param {Float64Array} values Value to assign to `_values`. This is assigned + * without copying (okay because all usages are followed by a multiply). + */ +function newInstance (values) { + const instance = Object.create(DOMMatrix.prototype) + instance.constructor = DOMMatrix + instance._is2D = true + instance._values = values + return instance +} + +function multiply (A, B) { + const dest = new Float64Array(16) + for (let i = 0; i < 4; i++) { + for (let j = 0; j < 4; j++) { + let sum = 0 + for (let k = 0; k < 4; k++) { + sum += A[i * 4 + k] * B[k * 4 + j] + } + dest[i * 4 + j] = sum + } + } + return dest +} + +module.exports = { DOMMatrix, DOMPoint } + + +/***/ }), + +/***/ 1847: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +const bindings = __nccwpck_require__(8770) + +module.exports = bindings + +bindings.ImageData.prototype.toString = function () { + return '[object ImageData]' +} + +bindings.CanvasGradient.prototype.toString = function () { + return '[object CanvasGradient]' +} + + +/***/ }), + +/***/ 3589: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +/*! + * Canvas + * Copyright (c) 2010 LearnBoost + * MIT Licensed + */ + +const bindings = __nccwpck_require__(1847) +const Canvas = module.exports = bindings.Canvas +const Context2d = __nccwpck_require__(6292) +const PNGStream = __nccwpck_require__(7157) +const PDFStream = __nccwpck_require__(5032) +const JPEGStream = __nccwpck_require__(8871) +const FORMATS = ['image/png', 'image/jpeg'] +const util = __nccwpck_require__(3837) + +// TODO || is for Node.js pre-v6.6.0 +Canvas.prototype[util.inspect.custom || 'inspect'] = function () { + return `[Canvas ${this.width}x${this.height}]` +} + +Canvas.prototype.getContext = function (contextType, contextAttributes) { + if (contextType == '2d') { + const ctx = this._context2d || (this._context2d = new Context2d(this, contextAttributes)) + this.context = ctx + ctx.canvas = this + return ctx + } +} + +Canvas.prototype.pngStream = +Canvas.prototype.createPNGStream = function (options) { + return new PNGStream(this, options) +} + +Canvas.prototype.pdfStream = +Canvas.prototype.createPDFStream = function (options) { + return new PDFStream(this, options) +} + +Canvas.prototype.jpegStream = +Canvas.prototype.createJPEGStream = function (options) { + return new JPEGStream(this, options) +} + +Canvas.prototype.toDataURL = function (a1, a2, a3) { + // valid arg patterns (args -> [type, opts, fn]): + // [] -> ['image/png', null, null] + // [qual] -> ['image/png', null, null] + // [undefined] -> ['image/png', null, null] + // ['image/png'] -> ['image/png', null, null] + // ['image/png', qual] -> ['image/png', null, null] + // [fn] -> ['image/png', null, fn] + // [type, fn] -> [type, null, fn] + // [undefined, fn] -> ['image/png', null, fn] + // ['image/png', qual, fn] -> ['image/png', null, fn] + // ['image/jpeg', fn] -> ['image/jpeg', null, fn] + // ['image/jpeg', opts, fn] -> ['image/jpeg', opts, fn] + // ['image/jpeg', qual, fn] -> ['image/jpeg', {quality: qual}, fn] + // ['image/jpeg', undefined, fn] -> ['image/jpeg', null, fn] + // ['image/jpeg'] -> ['image/jpeg', null, fn] + // ['image/jpeg', opts] -> ['image/jpeg', opts, fn] + // ['image/jpeg', qual] -> ['image/jpeg', {quality: qual}, fn] + + let type = 'image/png' + let opts = {} + let fn + + if (typeof a1 === 'function') { + fn = a1 + } else { + if (typeof a1 === 'string' && FORMATS.includes(a1.toLowerCase())) { + type = a1.toLowerCase() + } + + if (typeof a2 === 'function') { + fn = a2 + } else { + if (typeof a2 === 'object') { + opts = a2 + } else if (typeof a2 === 'number') { + opts = { quality: Math.max(0, Math.min(1, a2)) } + } + + if (typeof a3 === 'function') { + fn = a3 + } else if (undefined !== a3) { + throw new TypeError(`${typeof a3} is not a function`) + } + } + } + + if (this.width === 0 || this.height === 0) { + // Per spec, if the bitmap has no pixels, return this string: + const str = 'data:,' + if (fn) { + setTimeout(() => fn(null, str)) + return + } else { + return str + } + } + + if (fn) { + this.toBuffer((err, buf) => { + if (err) return fn(err) + fn(null, `data:${type};base64,${buf.toString('base64')}`) + }, type, opts) + } else { + return `data:${type};base64,${this.toBuffer(type, opts).toString('base64')}` + } +} + + +/***/ }), + +/***/ 6292: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +/*! + * Canvas - Context2d + * Copyright (c) 2010 LearnBoost + * MIT Licensed + */ + +const bindings = __nccwpck_require__(1847) +const parseFont = __nccwpck_require__(7382) +const { DOMMatrix } = __nccwpck_require__(4381) + +bindings.CanvasRenderingContext2dInit(DOMMatrix, parseFont) +module.exports = bindings.CanvasRenderingContext2d + + +/***/ }), + +/***/ 7372: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +/*! + * Canvas - Image + * Copyright (c) 2010 LearnBoost + * MIT Licensed + */ + +/** + * Module dependencies. + */ + +const bindings = __nccwpck_require__(1847) +const Image = module.exports = bindings.Image +const util = __nccwpck_require__(3837) + +// Lazily loaded simple-get +let get + +const { GetSource, SetSource } = bindings + +Object.defineProperty(Image.prototype, 'src', { + /** + * src setter. Valid values: + * * `data:` URI + * * Local file path + * * HTTP or HTTPS URL + * * Buffer containing image data (i.e. not a `data:` URI stored in a Buffer) + * + * @param {String|Buffer} val filename, buffer, data URI, URL + * @api public + */ + set (val) { + if (typeof val === 'string') { + if (/^\s*data:/.test(val)) { // data: URI + const commaI = val.indexOf(',') + // 'base64' must come before the comma + const isBase64 = val.lastIndexOf('base64', commaI) !== -1 + const content = val.slice(commaI + 1) + setSource(this, Buffer.from(content, isBase64 ? 'base64' : 'utf8'), val) + } else if (/^\s*https?:\/\//.test(val)) { // remote URL + const onerror = err => { + if (typeof this.onerror === 'function') { + this.onerror(err) + } else { + throw err + } + } + + if (!get) get = __nccwpck_require__(6777) + + get.concat({ + url: val, + headers: { 'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36' } + }, (err, res, data) => { + if (err) return onerror(err) + + if (res.statusCode < 200 || res.statusCode >= 300) { + return onerror(new Error(`Server responded with ${res.statusCode}`)) + } + + setSource(this, data) + }) + } else { // local file path assumed + setSource(this, val) + } + } else if (Buffer.isBuffer(val)) { + setSource(this, val) + } + }, + + get () { + // TODO https://github.com/Automattic/node-canvas/issues/118 + return getSource(this) + }, + + configurable: true +}) + +// TODO || is for Node.js pre-v6.6.0 +Image.prototype[util.inspect.custom || 'inspect'] = function () { + return '[Image' + + (this.complete ? ':' + this.width + 'x' + this.height : '') + + (this.src ? ' ' + this.src : '') + + (this.complete ? ' complete' : '') + + ']' +} + +function getSource (img) { + return img._originalSource || GetSource.call(img) +} + +function setSource (img, src, origSrc) { + SetSource.call(img, src) + img._originalSource = origSrc +} + + +/***/ }), + +/***/ 8871: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +/*! + * Canvas - JPEGStream + * Copyright (c) 2010 LearnBoost + * MIT Licensed + */ + +const { Readable } = __nccwpck_require__(2781) +function noop () {} + +class JPEGStream extends Readable { + constructor (canvas, options) { + super() + + if (canvas.streamJPEGSync === undefined) { + throw new Error('node-canvas was built without JPEG support.') + } + + this.options = options + this.canvas = canvas + } + + _read () { + // For now we're not controlling the c++ code's data emission, so we only + // call canvas.streamJPEGSync once and let it emit data at will. + this._read = noop + + this.canvas.streamJPEGSync(this.options, (err, chunk) => { + if (err) { + this.emit('error', err) + } else if (chunk) { + this.push(chunk) + } else { + this.push(null) + } + }) + } +}; + +module.exports = JPEGStream + + +/***/ }), + +/***/ 7382: +/***/ ((module) => { + +"use strict"; + + +/** + * Font RegExp helpers. + */ + +const weights = 'bold|bolder|lighter|[1-9]00' +const styles = 'italic|oblique' +const variants = 'small-caps' +const stretches = 'ultra-condensed|extra-condensed|condensed|semi-condensed|semi-expanded|expanded|extra-expanded|ultra-expanded' +const units = 'px|pt|pc|in|cm|mm|%|em|ex|ch|rem|q' +const string = '\'([^\']+)\'|"([^"]+)"|[\\w\\s-]+' + +// [ [ <‘font-style’> || || <‘font-weight’> || <‘font-stretch’> ]? +// <‘font-size’> [ / <‘line-height’> ]? <‘font-family’> ] +// https://drafts.csswg.org/css-fonts-3/#font-prop +const weightRe = new RegExp(`(${weights}) +`, 'i') +const styleRe = new RegExp(`(${styles}) +`, 'i') +const variantRe = new RegExp(`(${variants}) +`, 'i') +const stretchRe = new RegExp(`(${stretches}) +`, 'i') +const sizeFamilyRe = new RegExp( + `([\\d\\.]+)(${units}) *((?:${string})( *, *(?:${string}))*)`) + +/** + * Cache font parsing. + */ + +const cache = {} + +const defaultHeight = 16 // pt, common browser default + +/** + * Parse font `str`. + * + * @param {String} str + * @return {Object} Parsed font. `size` is in device units. `unit` is the unit + * appearing in the input string. + * @api private + */ + +module.exports = str => { + // Cached + if (cache[str]) return cache[str] + + // Try for required properties first. + const sizeFamily = sizeFamilyRe.exec(str) + if (!sizeFamily) return // invalid + + // Default values and required properties + const font = { + weight: 'normal', + style: 'normal', + stretch: 'normal', + variant: 'normal', + size: parseFloat(sizeFamily[1]), + unit: sizeFamily[2], + family: sizeFamily[3].replace(/["']/g, '').replace(/ *, */g, ',') + } + + // Optional, unordered properties. + let weight, style, variant, stretch + // Stop search at `sizeFamily.index` + const substr = str.substring(0, sizeFamily.index) + if ((weight = weightRe.exec(substr))) font.weight = weight[1] + if ((style = styleRe.exec(substr))) font.style = style[1] + if ((variant = variantRe.exec(substr))) font.variant = variant[1] + if ((stretch = stretchRe.exec(substr))) font.stretch = stretch[1] + + // Convert to device units. (`font.unit` is the original unit) + // TODO: ch, ex + switch (font.unit) { + case 'pt': + font.size /= 0.75 + break + case 'pc': + font.size *= 16 + break + case 'in': + font.size *= 96 + break + case 'cm': + font.size *= 96.0 / 2.54 + break + case 'mm': + font.size *= 96.0 / 25.4 + break + case '%': + // TODO disabled because existing unit tests assume 100 + // font.size *= defaultHeight / 100 / 0.75 + break + case 'em': + case 'rem': + font.size *= defaultHeight / 0.75 + break + case 'q': + font.size *= 96 / 25.4 / 4 + break + } + + return (cache[str] = font) +} + + +/***/ }), + +/***/ 1067: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +/*! + * Canvas - CanvasPattern + * Copyright (c) 2010 LearnBoost + * MIT Licensed + */ + +const bindings = __nccwpck_require__(1847) +const { DOMMatrix } = __nccwpck_require__(4381) + +bindings.CanvasPatternInit(DOMMatrix) +module.exports = bindings.CanvasPattern + +bindings.CanvasPattern.prototype.toString = function () { + return '[object CanvasPattern]' +} + + +/***/ }), + +/***/ 5032: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +/*! + * Canvas - PDFStream + */ + +const { Readable } = __nccwpck_require__(2781) +function noop () {} + +class PDFStream extends Readable { + constructor (canvas, options) { + super() + + this.canvas = canvas + this.options = options + } + + _read () { + // For now we're not controlling the c++ code's data emission, so we only + // call canvas.streamPDFSync once and let it emit data at will. + this._read = noop + + this.canvas.streamPDFSync((err, chunk, len) => { + if (err) { + this.emit('error', err) + } else if (len) { + this.push(chunk) + } else { + this.push(null) + } + }, this.options) + } +} + +module.exports = PDFStream + + +/***/ }), + +/***/ 7157: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +/*! + * Canvas - PNGStream + * Copyright (c) 2010 LearnBoost + * MIT Licensed + */ + +const { Readable } = __nccwpck_require__(2781) +function noop () {} + +class PNGStream extends Readable { + constructor (canvas, options) { + super() + + if (options && + options.palette instanceof Uint8ClampedArray && + options.palette.length % 4 !== 0) { + throw new Error('Palette length must be a multiple of 4.') + } + this.canvas = canvas + this.options = options || {} + } + + _read () { + // For now we're not controlling the c++ code's data emission, so we only + // call canvas.streamPNGSync once and let it emit data at will. + this._read = noop + + this.canvas.streamPNGSync((err, chunk, len) => { + if (err) { + this.emit('error', err) + } else if (len) { + this.push(chunk) + } else { + this.push(null) + } + }, this.options) + } +} + +module.exports = PNGStream + + /***/ }), /***/ 4506: @@ -57049,6 +58322,54 @@ var isArray = Array.isArray || function (xs) { }; +/***/ }), + +/***/ 7947: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + +const {PassThrough: PassThroughStream} = __nccwpck_require__(2781); +const zlib = __nccwpck_require__(9796); +const mimicResponse = __nccwpck_require__(4363); + +const decompressResponse = response => { + const contentEncoding = (response.headers['content-encoding'] || '').toLowerCase(); + + if (!['gzip', 'deflate', 'br'].includes(contentEncoding)) { + return response; + } + + const isBrotli = contentEncoding === 'br'; + if (isBrotli && typeof zlib.createBrotliDecompress !== 'function') { + return response; + } + + const decompress = isBrotli ? zlib.createBrotliDecompress() : zlib.createUnzip(); + const stream = new PassThroughStream(); + + mimicResponse(response, stream); + + decompress.on('error', error => { + // Ignore empty response + if (error.code === 'Z_BUF_ERROR') { + stream.end(); + return; + } + + stream.emit('error', error); + }); + + response.pipe(decompress).pipe(stream); + + return stream; +}; + +module.exports = decompressResponse; +// TODO: remove this in the next major version +module.exports["default"] = decompressResponse; + + /***/ }), /***/ 5946: @@ -65152,6 +66473,52 @@ function populateMaps (extensions, types) { } +/***/ }), + +/***/ 4363: +/***/ ((module) => { + +"use strict"; + + +// We define these manually to ensure they're always copied +// even if they would move up the prototype chain +// https://nodejs.org/api/http.html#http_class_http_incomingmessage +const knownProperties = [ + 'aborted', + 'complete', + 'destroy', + 'headers', + 'httpVersion', + 'httpVersionMinor', + 'httpVersionMajor', + 'method', + 'rawHeaders', + 'rawTrailers', + 'setTimeout', + 'socket', + 'statusCode', + 'statusMessage', + 'trailers', + 'url' +]; + +module.exports = (fromStream, toStream) => { + const fromProperties = new Set(Object.keys(fromStream).concat(knownProperties)); + + for (const property of fromProperties) { + // Don't overwrite existing properties. + if (property in toStream) { + continue; + } + + toStream[property] = typeof fromStream[property] === 'function' ? fromStream[property].bind(fromStream) : fromStream[property]; + } + + return toStream; +}; + + /***/ }), /***/ 2679: @@ -71018,7 +72385,7 @@ const minSatisfying = __nccwpck_require__(2765) const minVersion = __nccwpck_require__(3853) const validRange = __nccwpck_require__(3619) const outside = __nccwpck_require__(3790) -const gtr = __nccwpck_require__(6435) +const gtr = __nccwpck_require__(3466) const ltr = __nccwpck_require__(4731) const intersects = __nccwpck_require__(5211) const simplifyRange = __nccwpck_require__(4084) @@ -72195,7 +73562,7 @@ try { /***/ }), -/***/ 6435: +/***/ 3466: /***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { // Determine if version is greater than all the versions possible in the range. @@ -72788,6 +74155,142 @@ const validRange = (range, options) => { module.exports = validRange +/***/ }), + +/***/ 2034: +/***/ ((module) => { + +/*! simple-concat. MIT License. Feross Aboukhadijeh */ +module.exports = function (stream, cb) { + var chunks = [] + stream.on('data', function (chunk) { + chunks.push(chunk) + }) + stream.once('end', function () { + if (cb) cb(null, Buffer.concat(chunks)) + cb = null + }) + stream.once('error', function (err) { + if (cb) cb(err) + cb = null + }) +} + + +/***/ }), + +/***/ 6777: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +module.exports = simpleGet + +const concat = __nccwpck_require__(2034) +const decompressResponse = __nccwpck_require__(7947) // excluded from browser build +const http = __nccwpck_require__(3685) +const https = __nccwpck_require__(5687) +const once = __nccwpck_require__(4954) +const querystring = __nccwpck_require__(3477) +const url = __nccwpck_require__(7310) + +const isStream = o => o !== null && typeof o === 'object' && typeof o.pipe === 'function' + +function simpleGet (opts, cb) { + opts = Object.assign({ maxRedirects: 10 }, typeof opts === 'string' ? { url: opts } : opts) + cb = once(cb) + + if (opts.url) { + const { hostname, port, protocol, auth, path } = url.parse(opts.url) // eslint-disable-line node/no-deprecated-api + delete opts.url + if (!hostname && !port && !protocol && !auth) opts.path = path // Relative redirect + else Object.assign(opts, { hostname, port, protocol, auth, path }) // Absolute redirect + } + + const headers = { 'accept-encoding': 'gzip, deflate' } + if (opts.headers) Object.keys(opts.headers).forEach(k => (headers[k.toLowerCase()] = opts.headers[k])) + opts.headers = headers + + let body + if (opts.body) { + body = opts.json && !isStream(opts.body) ? JSON.stringify(opts.body) : opts.body + } else if (opts.form) { + body = typeof opts.form === 'string' ? opts.form : querystring.stringify(opts.form) + opts.headers['content-type'] = 'application/x-www-form-urlencoded' + } + + if (body) { + if (!opts.method) opts.method = 'POST' + if (!isStream(body)) opts.headers['content-length'] = Buffer.byteLength(body) + if (opts.json && !opts.form) opts.headers['content-type'] = 'application/json' + } + delete opts.body; delete opts.form + + if (opts.json) opts.headers.accept = 'application/json' + if (opts.method) opts.method = opts.method.toUpperCase() + + const originalHost = opts.hostname // hostname before potential redirect + const protocol = opts.protocol === 'https:' ? https : http // Support http/https urls + const req = protocol.request(opts, res => { + if (opts.followRedirects !== false && res.statusCode >= 300 && res.statusCode < 400 && res.headers.location) { + opts.url = res.headers.location // Follow 3xx redirects + delete opts.headers.host // Discard `host` header on redirect (see #32) + res.resume() // Discard response + + const redirectHost = url.parse(opts.url).hostname // eslint-disable-line node/no-deprecated-api + // If redirected host is different than original host, drop headers to prevent cookie leak (#73) + if (redirectHost !== null && redirectHost !== originalHost) { + delete opts.headers.cookie + delete opts.headers.authorization + } + + if (opts.method === 'POST' && [301, 302].includes(res.statusCode)) { + opts.method = 'GET' // On 301/302 redirect, change POST to GET (see #35) + delete opts.headers['content-length']; delete opts.headers['content-type'] + } + + if (opts.maxRedirects-- === 0) return cb(new Error('too many redirects')) + else return simpleGet(opts, cb) + } + + const tryUnzip = typeof decompressResponse === 'function' && opts.method !== 'HEAD' + cb(null, tryUnzip ? decompressResponse(res) : res) + }) + req.on('timeout', () => { + req.abort() + cb(new Error('Request timed out')) + }) + req.on('error', cb) + + if (isStream(body)) body.on('error', cb).pipe(req) + else req.end(body) + + return req +} + +simpleGet.concat = (opts, cb) => { + return simpleGet(opts, (err, res) => { + if (err) return cb(err) + concat(res, (err, data) => { + if (err) return cb(err) + if (opts.json) { + try { + data = JSON.parse(data.toString()) + } catch (err) { + return cb(err, res, data) + } + } + cb(null, res, data) + }) + }) +} + +;['get', 'post', 'put', 'patch', 'head', 'delete'].forEach(method => { + simpleGet[method] = (opts, cb) => { + if (typeof opts === 'string') opts = { url: opts } + return simpleGet(Object.assign({ method: method.toUpperCase() }, opts), cb) + } +}) + + /***/ }), /***/ 1031: @@ -81865,19 +83368,21 @@ function generateReports() { const treeSha = yield (0, utils_1.createTree)(JSON.stringify(buildOutput)); yield (0, utils_1.createRef)(treeSha); if (areMetricHistoriesEnabled()) { - const pushEvents = yield (0, utils_1.getPushEvents)(getBuildCountsForMetricHistory()); + /*const pushEvents = await getPushEvents(getBuildCountsForMetricHistory()) // Prepare data - const timestamps = []; - const shas = []; - for (let i = 0; i < pushEvents.length; i++) { - timestamps.push(pushEvents[i].created_at); - shas.push(pushEvents[i].payload.commits[pushEvents[i].payload.commits.length - 1].sha); + const timestamps = [] + const shas = [] + for (let i=0; i < pushEvents.length; i++) { + timestamps.push(pushEvents[i].created_at) + shas.push(pushEvents[i].payload.commits[pushEvents[i].payload.commits.length - 1].sha) + } - const imageData = yield (0, utils_1.getImageData)(shas); - const commitDates = (0, utils_1.formatTimestamps)(timestamps); - const mermaidDiagramm = createHistoryDiagramm(shas, imageData, commitDates); - core.summary.addRaw(mermaidDiagramm); - yield core.summary.write(); + const imageData = await getImageData(shas) + const commitDates = formatTimestamps(timestamps) + const mermaidDiagramm = createHistoryDiagramm(shas, imageData, commitDates) + core.summary.addRaw(mermaidDiagramm) + await core.summary.write()*/ + yield (0, utils_1.createChart)(); } if (arePRBaseComparisonEnabled()) { const prMetrics = JSON.parse(yield (0, utils_1.getPrBaseBranchMetrics)()); @@ -82261,13 +83766,14 @@ var __importDefault = (this && this.__importDefault) || function (mod) { return (mod && mod.__esModule) ? mod : { "default": mod }; }; Object.defineProperty(exports, "__esModule", ({ value: true })); -exports.getImageData = exports.formatTimestamps = exports.getPushEvents = exports.getPrBaseBranchMetrics = exports.createTree = exports.createRef = exports.createPRComment = exports.isPREvent = exports.toSemVer = exports.calculateSHA256 = exports.downloadExtractAndCacheJDK = exports.downloadAndExtractJDK = exports.getMatchingTags = exports.getTaggedRelease = exports.getLatestRelease = exports.exec = void 0; +exports.createChart = exports.getPrBaseBranchMetrics = exports.createTree = exports.createRef = exports.createPRComment = exports.isPREvent = exports.toSemVer = exports.calculateSHA256 = exports.downloadExtractAndCacheJDK = exports.downloadAndExtractJDK = exports.getMatchingTags = exports.getTaggedRelease = exports.getLatestRelease = exports.exec = void 0; const c = __importStar(__nccwpck_require__(2764)); const core = __importStar(__nccwpck_require__(2258)); const github = __importStar(__nccwpck_require__(7168)); const httpClient = __importStar(__nccwpck_require__(9547)); const tc = __importStar(__nccwpck_require__(5603)); const exec_1 = __nccwpck_require__(1483); +const fs = __importStar(__nccwpck_require__(7147)); const fs_1 = __nccwpck_require__(7147); const crypto_1 = __nccwpck_require__(6113); const path_1 = __nccwpck_require__(1017); @@ -82275,6 +83781,8 @@ const js_base64_1 = __nccwpck_require__(7821); const rest_1 = __nccwpck_require__(6175); const node_fetch_1 = __importDefault(__nccwpck_require__(831)); const luxon_1 = __nccwpck_require__(955); +const chart_js_1 = __nccwpck_require__(6435); +const canvas_1 = __nccwpck_require__(3893); // Set up Octokit for github.com only and in the same way as @actions/github (see https://git.io/Jy9YP) const baseUrl = 'https://api.github.com'; const GitHubDotCom = rest_1.Octokit.defaults({ @@ -82523,106 +84031,296 @@ function getBlobContent(octokit, context, blobSha) { return js_base64_1.Base64.decode(data.content); }); } -function getPushEvents(numberOfBuilds) { - return __awaiter(this, void 0, void 0, function* () { - try { - const octokit = new rest_1.Octokit({ - auth: getGitHubToken(), - request: { - fetch: node_fetch_1.default, - }, - }); - const context = github.context; - const eventResponse = yield octokit.request(c.OCTOKIT_ROUTE_GET_EVENTS, Object.assign(Object.assign({}, context.repo), { headers: c.OCTOKIT_BASIC_HEADER })); - let linkHeader = eventResponse.headers.link; - const eventData = eventResponse.data; - const pushEvents = []; - let eventsLeft = numberOfBuilds; - for (let event of eventData) { - if (eventsLeft <= 0) { - break; - } - if (event.type === "PushEvent" && - event.payload.ref === process.env.GITHUB_REF) { - pushEvents.push(event); - eventsLeft = eventsLeft - 1; - } +/* +export async function getPushEvents(numberOfBuilds: number): Promise { + try { + const octokit = new Octokit({ + auth: getGitHubToken(), + request: { + fetch: fetch, + }, + }); + const context = github.context + const eventResponse = await octokit.request(c.OCTOKIT_ROUTE_GET_EVENTS, { + ...context.repo, + headers: c.OCTOKIT_BASIC_HEADER + }) + let linkHeader = eventResponse.headers.link + const eventData: any = eventResponse.data + const pushEvents = [] + let eventsLeft = numberOfBuilds + + for (let event of eventData) { + if (eventsLeft <= 0) { + break; } - let nextPageMatch = /<([^>]+)>;\s*rel="next"/; - while (linkHeader && - linkHeader.includes('rel="next"') && - eventsLeft > 0) { - let nextPageUrl = nextPageMatch === null || nextPageMatch === void 0 ? void 0 : nextPageMatch.exec(linkHeader)[1]; - // Make the request for the next page - // Assuming you use fetch API or similar for making HTTP requests - (0, node_fetch_1.default)(nextPageUrl, { - headers: { - Authorization: "Bearer " + getGitHubToken(), - }, - }) - .then((response) => response.json()) - .then((nextPageResponse) => { + if ( + event.type === "PushEvent" && + event.payload!.ref! === process.env.GITHUB_REF + ) { + pushEvents.push(event); + eventsLeft = eventsLeft-1; + } + } + + let nextPageMatch = /<([^>]+)>;\s*rel="next"/; + while ( + linkHeader && + linkHeader.includes('rel="next"') && + eventsLeft > 0 + ) { + let nextPageUrl = nextPageMatch?.exec(linkHeader)![1]; + // Make the request for the next page + // Assuming you use fetch API or similar for making HTTP requests + fetch(nextPageUrl, { + headers: { + Authorization: "Bearer " + getGitHubToken(), + }, + }) + .then((response) => response.json()) + .then((nextPageResponse) => { for (let event of nextPageResponse) { if (eventsLeft <= 0) { break; } - if (event.type === "PushEvent" && - event.payload.ref === process.env.GITHUB_REF) { + if ( + event.type === "PushEvent" && + event.payload.ref === process.env.GITHUB_REF + ) { pushEvents.push(event); - eventsLeft = eventsLeft - 1; + eventsLeft = eventsLeft-1; } } + // Update the link_header for the next iteration linkHeader = eventResponse.headers.link; }) - .catch((error) => { + .catch((error) => { console.error("Error fetching next page:", error); }); - } - return pushEvents; } - catch (err) { - console.info("An error occurred during getting metrics data."); - return []; - } - }); + return pushEvents + } catch (err) { + console.info("An error occurred during getting metrics data.") + return [] + } } -exports.getPushEvents = getPushEvents; -function formatTimestamps(timestamps) { - const formattedTimestamps = []; - for (let i = 0; i < timestamps.length; i++) { - let commitTime = luxon_1.DateTime.fromISO(timestamps[i]); + +export function formatTimestamps(timestamps: string[]) { + const formattedTimestamps = [] + for (let i=0; i= 30) { + return commitTimeLocal.toFormat('dd.MM.\HH:mm'); + } + else { + return commitTimeLocal.toFormat('dd.MM.yyyy \n HH:mm'); + } +} +function getImageData(commitSha) { return __awaiter(this, void 0, void 0, function* () { - const context = github.context; const octokit = new rest_1.Octokit({ auth: getGitHubToken(), - request: { - fetch: node_fetch_1.default, - }, }); - const imageData = []; - core.info(String(shas)); - for (let i = 0; i < shas.length; i++) { - core.info("reent sha: " + shas[i]); - const blobTreeSha = yield getBlobTreeSha(octokit, context, shas[i]); - const blobSha = yield getBlobSha(octokit, context, blobTreeSha); - imageData.push(yield getBlobContent(octokit, context, blobSha)); + const context = github.context; + try { + // Get the reference SHA + const refResponse = yield octokit.git.getRef(Object.assign(Object.assign({}, context.repo), { ref: `graalvm-metrics/${commitSha}` })); + const refSha = refResponse.data.object.sha; + console.log(refSha); + // Get the tree SHA + const treeResponse = yield octokit.git.getTree(Object.assign(Object.assign({}, context.repo), { tree_sha: refSha })); + const blobSha = treeResponse.data.tree[0].sha; + // Get the blob content + const blobResponse = yield octokit.git.getBlob(Object.assign(Object.assign({}, context.repo), { file_sha: String(blobSha) })); + const content = Buffer.from(blobResponse.data.content, 'base64').toString('utf-8'); + const data = JSON.parse(content); + console.log(data.image_details.total_bytes / 1e6); + return [ + data.image_details.total_bytes / 1e6, + data.image_details.code_area.bytes / 1e6, + data.image_details.image_heap.bytes / 1e6, + ]; + } + catch (err) { + console.error('Error fetching image data'); + return [0, 0, 0]; } - return imageData; }); } -exports.getImageData = getImageData; +// Function to fetch data +function fetchData() { + return __awaiter(this, void 0, void 0, function* () { + const octokit = new rest_1.Octokit({ + auth: getGitHubToken(), + }); + return new Promise((resolve) => __awaiter(this, void 0, void 0, function* () { + const response = yield octokit.request(c.OCTOKIT_ROUTE_GET_EVENTS, Object.assign(Object.assign({}, github.context.repo), { headers: c.OCTOKIT_BASIC_HEADER })); + // get push events + const pushEvents = yield getPushEvents(response); + // Prepare data + const timestamps = []; + const shas = []; + for (const pushEvent of pushEvents) { + timestamps.push(pushEvent.created_at); + shas.push(pushEvent.payload.commits[pushEvent.payload.commits.length - 1].sha); + } + // Extract data for plotting + const commitDates = timestamps.map(timestamp => formatDate(timestamp, Number(core.getInput('build-counts-for-metric-history')))); + const imageDataPromises = shas.map((sha) => __awaiter(this, void 0, void 0, function* () { return yield getImageData(sha); })); + const imageData = yield Promise.all(imageDataPromises); + const imageSizes = imageData.filter(entry => entry).map(entry => entry[0]); + const codeAreaSizes = imageData.filter(entry => entry).map(entry => entry[1]); + const imageHeapSizes = imageData.filter(entry => entry).map(entry => entry[2]); + const data = { + commitDates: commitDates, + imageData: imageData, + imageSizes: imageSizes, + codeAreaSizes: codeAreaSizes, + imageHeapSizes: imageHeapSizes + }; + resolve(data); + })); + }); +} +function getPushEvents(response) { + return __awaiter(this, void 0, void 0, function* () { + const eventsArray = response.data; + let linkHeader = response.headers.link; + let commitsLeft = Number(core.getInput('build-counts-for-metric-history')); + const pushEvents = []; + for (const event of eventsArray) { + if (commitsLeft <= 0) { + break; + } + if (event.type === "PushEvent" && event.payload.ref === process.env.GITHUB_REF) { + pushEvents.push(event); + commitsLeft -= 1; + } + } + while (linkHeader && linkHeader.includes('rel="next"') && commitsLeft > 0) { + // Extract the URL for the next page + const nextPageMatch = linkHeader.match(/<([^>]+)>;\s*rel="next"/); + const nextPageUrl = nextPageMatch ? nextPageMatch[1] : null; + // Make the request for the next page + const response = yield (0, node_fetch_1.default)(nextPageUrl, { + headers: { + Authorization: getGitHubToken(), + }, + }); + const responseJson = yield response.json(); + for (const event of responseJson) { + if (commitsLeft <= 0) { + break; + } + if (event.type === "PushEvent" && event.payload.ref === process.env.GITHUB_REF) { + pushEvents.push(event); + commitsLeft -= 1; + } + } + // Update linkHeader for the next iteration + linkHeader = response.headers.get("link"); + } + return pushEvents; + }); +} +function createDatasets(data) { + const labels = data.commitDates.reverse(); + const datasets = [ + { + label: 'Image Sizes', + data: data.imageSizes.reverse(), + borderColor: 'rgba(75, 192, 192, 1)', + backgroundColor: 'rgba(75, 192, 192, 0.2)', + pointRadius: 5, + pointHoverRadius: 8, + yAxisID: 'y-axis-1', + }, + { + label: 'Code Area Sizes', + data: data.codeAreaSizes.reverse(), + borderColor: 'rgba(255, 99, 132, 1)', + backgroundColor: 'rgba(255, 99, 132, 0.2)', + pointRadius: 5, + pointHoverRadius: 8, + yAxisID: 'y-axis-1', + }, + { + label: 'Image Heap Sizes', + data: data.imageHeapSizes.reverse(), + borderColor: 'rgba(255, 205, 86, 1)', + backgroundColor: 'rgba(255, 205, 86, 0.2)', + pointRadius: 5, + pointHoverRadius: 8, + yAxisID: 'y-axis-1', + }, + ]; + return { + labels: labels, + datasets: datasets, + }; +} +function createChart() { + return __awaiter(this, void 0, void 0, function* () { + try { + const data = yield fetchData(); + console.log(data); + // Set up canvas + const canvas = (0, canvas_1.createCanvas)(800, 400); + yield chart_js_1.Chart.register(...chart_js_1.registerables); // Register Chart.js plugins + // Save the canvas as a PNG file + const out = fs.createWriteStream('output_chart.png'); + const stream = canvas.createPNGStream(); + stream.pipe(out); + out.on('finish', () => console.log('The PNG file was created.')); + } + catch (error) { + console.error('Error fetching data:', error); + } + }); +} +exports.createChart = createChart; +// Call the createChart function +//createChart(); +/***/ }), + +/***/ 8770: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +module.exports = require(__nccwpck_require__.ab + "build/Release/canvas.node") + /***/ }), /***/ 9579: @@ -82729,6 +84427,14 @@ module.exports = require("punycode"); /***/ }), +/***/ 3477: +/***/ ((module) => { + +"use strict"; +module.exports = require("querystring"); + +/***/ }), + /***/ 2781: /***/ ((module) => { @@ -82785,6 +84491,15026 @@ module.exports = require("zlib"); /***/ }), +/***/ 8620: +/***/ (function(module) { + +/*! + * @kurkle/color v0.3.2 + * https://github.com/kurkle/color#readme + * (c) 2023 Jukka Kurkela + * Released under the MIT License + */ +(function (global, factory) { + true ? module.exports = factory() : +0; +})(this, (function () { 'use strict'; + +function round(v) { + return v + 0.5 | 0; +} +const lim = (v, l, h) => Math.max(Math.min(v, h), l); +function p2b(v) { + return lim(round(v * 2.55), 0, 255); +} +function b2p(v) { + return lim(round(v / 2.55), 0, 100); +} +function n2b(v) { + return lim(round(v * 255), 0, 255); +} +function b2n(v) { + return lim(round(v / 2.55) / 100, 0, 1); +} +function n2p(v) { + return lim(round(v * 100), 0, 100); +} + +const map$1 = {0: 0, 1: 1, 2: 2, 3: 3, 4: 4, 5: 5, 6: 6, 7: 7, 8: 8, 9: 9, A: 10, B: 11, C: 12, D: 13, E: 14, F: 15, a: 10, b: 11, c: 12, d: 13, e: 14, f: 15}; +const hex = [...'0123456789ABCDEF']; +const h1 = b => hex[b & 0xF]; +const h2 = b => hex[(b & 0xF0) >> 4] + hex[b & 0xF]; +const eq = b => ((b & 0xF0) >> 4) === (b & 0xF); +const isShort = v => eq(v.r) && eq(v.g) && eq(v.b) && eq(v.a); +function hexParse(str) { + var len = str.length; + var ret; + if (str[0] === '#') { + if (len === 4 || len === 5) { + ret = { + r: 255 & map$1[str[1]] * 17, + g: 255 & map$1[str[2]] * 17, + b: 255 & map$1[str[3]] * 17, + a: len === 5 ? map$1[str[4]] * 17 : 255 + }; + } else if (len === 7 || len === 9) { + ret = { + r: map$1[str[1]] << 4 | map$1[str[2]], + g: map$1[str[3]] << 4 | map$1[str[4]], + b: map$1[str[5]] << 4 | map$1[str[6]], + a: len === 9 ? (map$1[str[7]] << 4 | map$1[str[8]]) : 255 + }; + } + } + return ret; +} +const alpha = (a, f) => a < 255 ? f(a) : ''; +function hexString(v) { + var f = isShort(v) ? h1 : h2; + return v + ? '#' + f(v.r) + f(v.g) + f(v.b) + alpha(v.a, f) + : undefined; +} + +const HUE_RE = /^(hsla?|hwb|hsv)\(\s*([-+.e\d]+)(?:deg)?[\s,]+([-+.e\d]+)%[\s,]+([-+.e\d]+)%(?:[\s,]+([-+.e\d]+)(%)?)?\s*\)$/; +function hsl2rgbn(h, s, l) { + const a = s * Math.min(l, 1 - l); + const f = (n, k = (n + h / 30) % 12) => l - a * Math.max(Math.min(k - 3, 9 - k, 1), -1); + return [f(0), f(8), f(4)]; +} +function hsv2rgbn(h, s, v) { + const f = (n, k = (n + h / 60) % 6) => v - v * s * Math.max(Math.min(k, 4 - k, 1), 0); + return [f(5), f(3), f(1)]; +} +function hwb2rgbn(h, w, b) { + const rgb = hsl2rgbn(h, 1, 0.5); + let i; + if (w + b > 1) { + i = 1 / (w + b); + w *= i; + b *= i; + } + for (i = 0; i < 3; i++) { + rgb[i] *= 1 - w - b; + rgb[i] += w; + } + return rgb; +} +function hueValue(r, g, b, d, max) { + if (r === max) { + return ((g - b) / d) + (g < b ? 6 : 0); + } + if (g === max) { + return (b - r) / d + 2; + } + return (r - g) / d + 4; +} +function rgb2hsl(v) { + const range = 255; + const r = v.r / range; + const g = v.g / range; + const b = v.b / range; + const max = Math.max(r, g, b); + const min = Math.min(r, g, b); + const l = (max + min) / 2; + let h, s, d; + if (max !== min) { + d = max - min; + s = l > 0.5 ? d / (2 - max - min) : d / (max + min); + h = hueValue(r, g, b, d, max); + h = h * 60 + 0.5; + } + return [h | 0, s || 0, l]; +} +function calln(f, a, b, c) { + return ( + Array.isArray(a) + ? f(a[0], a[1], a[2]) + : f(a, b, c) + ).map(n2b); +} +function hsl2rgb(h, s, l) { + return calln(hsl2rgbn, h, s, l); +} +function hwb2rgb(h, w, b) { + return calln(hwb2rgbn, h, w, b); +} +function hsv2rgb(h, s, v) { + return calln(hsv2rgbn, h, s, v); +} +function hue(h) { + return (h % 360 + 360) % 360; +} +function hueParse(str) { + const m = HUE_RE.exec(str); + let a = 255; + let v; + if (!m) { + return; + } + if (m[5] !== v) { + a = m[6] ? p2b(+m[5]) : n2b(+m[5]); + } + const h = hue(+m[2]); + const p1 = +m[3] / 100; + const p2 = +m[4] / 100; + if (m[1] === 'hwb') { + v = hwb2rgb(h, p1, p2); + } else if (m[1] === 'hsv') { + v = hsv2rgb(h, p1, p2); + } else { + v = hsl2rgb(h, p1, p2); + } + return { + r: v[0], + g: v[1], + b: v[2], + a: a + }; +} +function rotate(v, deg) { + var h = rgb2hsl(v); + h[0] = hue(h[0] + deg); + h = hsl2rgb(h); + v.r = h[0]; + v.g = h[1]; + v.b = h[2]; +} +function hslString(v) { + if (!v) { + return; + } + const a = rgb2hsl(v); + const h = a[0]; + const s = n2p(a[1]); + const l = n2p(a[2]); + return v.a < 255 + ? `hsla(${h}, ${s}%, ${l}%, ${b2n(v.a)})` + : `hsl(${h}, ${s}%, ${l}%)`; +} + +const map = { + x: 'dark', + Z: 'light', + Y: 're', + X: 'blu', + W: 'gr', + V: 'medium', + U: 'slate', + A: 'ee', + T: 'ol', + S: 'or', + B: 'ra', + C: 'lateg', + D: 'ights', + R: 'in', + Q: 'turquois', + E: 'hi', + P: 'ro', + O: 'al', + N: 'le', + M: 'de', + L: 'yello', + F: 'en', + K: 'ch', + G: 'arks', + H: 'ea', + I: 'ightg', + J: 'wh' +}; +const names$1 = { + OiceXe: 'f0f8ff', + antiquewEte: 'faebd7', + aqua: 'ffff', + aquamarRe: '7fffd4', + azuY: 'f0ffff', + beige: 'f5f5dc', + bisque: 'ffe4c4', + black: '0', + blanKedOmond: 'ffebcd', + Xe: 'ff', + XeviTet: '8a2be2', + bPwn: 'a52a2a', + burlywood: 'deb887', + caMtXe: '5f9ea0', + KartYuse: '7fff00', + KocTate: 'd2691e', + cSO: 'ff7f50', + cSnflowerXe: '6495ed', + cSnsilk: 'fff8dc', + crimson: 'dc143c', + cyan: 'ffff', + xXe: '8b', + xcyan: '8b8b', + xgTMnPd: 'b8860b', + xWay: 'a9a9a9', + xgYF: '6400', + xgYy: 'a9a9a9', + xkhaki: 'bdb76b', + xmagFta: '8b008b', + xTivegYF: '556b2f', + xSange: 'ff8c00', + xScEd: '9932cc', + xYd: '8b0000', + xsOmon: 'e9967a', + xsHgYF: '8fbc8f', + xUXe: '483d8b', + xUWay: '2f4f4f', + xUgYy: '2f4f4f', + xQe: 'ced1', + xviTet: '9400d3', + dAppRk: 'ff1493', + dApskyXe: 'bfff', + dimWay: '696969', + dimgYy: '696969', + dodgerXe: '1e90ff', + fiYbrick: 'b22222', + flSOwEte: 'fffaf0', + foYstWAn: '228b22', + fuKsia: 'ff00ff', + gaRsbSo: 'dcdcdc', + ghostwEte: 'f8f8ff', + gTd: 'ffd700', + gTMnPd: 'daa520', + Way: '808080', + gYF: '8000', + gYFLw: 'adff2f', + gYy: '808080', + honeyMw: 'f0fff0', + hotpRk: 'ff69b4', + RdianYd: 'cd5c5c', + Rdigo: '4b0082', + ivSy: 'fffff0', + khaki: 'f0e68c', + lavFMr: 'e6e6fa', + lavFMrXsh: 'fff0f5', + lawngYF: '7cfc00', + NmoncEffon: 'fffacd', + ZXe: 'add8e6', + ZcSO: 'f08080', + Zcyan: 'e0ffff', + ZgTMnPdLw: 'fafad2', + ZWay: 'd3d3d3', + ZgYF: '90ee90', + ZgYy: 'd3d3d3', + ZpRk: 'ffb6c1', + ZsOmon: 'ffa07a', + ZsHgYF: '20b2aa', + ZskyXe: '87cefa', + ZUWay: '778899', + ZUgYy: '778899', + ZstAlXe: 'b0c4de', + ZLw: 'ffffe0', + lime: 'ff00', + limegYF: '32cd32', + lRF: 'faf0e6', + magFta: 'ff00ff', + maPon: '800000', + VaquamarRe: '66cdaa', + VXe: 'cd', + VScEd: 'ba55d3', + VpurpN: '9370db', + VsHgYF: '3cb371', + VUXe: '7b68ee', + VsprRggYF: 'fa9a', + VQe: '48d1cc', + VviTetYd: 'c71585', + midnightXe: '191970', + mRtcYam: 'f5fffa', + mistyPse: 'ffe4e1', + moccasR: 'ffe4b5', + navajowEte: 'ffdead', + navy: '80', + Tdlace: 'fdf5e6', + Tive: '808000', + TivedBb: '6b8e23', + Sange: 'ffa500', + SangeYd: 'ff4500', + ScEd: 'da70d6', + pOegTMnPd: 'eee8aa', + pOegYF: '98fb98', + pOeQe: 'afeeee', + pOeviTetYd: 'db7093', + papayawEp: 'ffefd5', + pHKpuff: 'ffdab9', + peru: 'cd853f', + pRk: 'ffc0cb', + plum: 'dda0dd', + powMrXe: 'b0e0e6', + purpN: '800080', + YbeccapurpN: '663399', + Yd: 'ff0000', + Psybrown: 'bc8f8f', + PyOXe: '4169e1', + saddNbPwn: '8b4513', + sOmon: 'fa8072', + sandybPwn: 'f4a460', + sHgYF: '2e8b57', + sHshell: 'fff5ee', + siFna: 'a0522d', + silver: 'c0c0c0', + skyXe: '87ceeb', + UXe: '6a5acd', + UWay: '708090', + UgYy: '708090', + snow: 'fffafa', + sprRggYF: 'ff7f', + stAlXe: '4682b4', + tan: 'd2b48c', + teO: '8080', + tEstN: 'd8bfd8', + tomato: 'ff6347', + Qe: '40e0d0', + viTet: 'ee82ee', + JHt: 'f5deb3', + wEte: 'ffffff', + wEtesmoke: 'f5f5f5', + Lw: 'ffff00', + LwgYF: '9acd32' +}; +function unpack() { + const unpacked = {}; + const keys = Object.keys(names$1); + const tkeys = Object.keys(map); + let i, j, k, ok, nk; + for (i = 0; i < keys.length; i++) { + ok = nk = keys[i]; + for (j = 0; j < tkeys.length; j++) { + k = tkeys[j]; + nk = nk.replace(k, map[k]); + } + k = parseInt(names$1[ok], 16); + unpacked[nk] = [k >> 16 & 0xFF, k >> 8 & 0xFF, k & 0xFF]; + } + return unpacked; +} + +let names; +function nameParse(str) { + if (!names) { + names = unpack(); + names.transparent = [0, 0, 0, 0]; + } + const a = names[str.toLowerCase()]; + return a && { + r: a[0], + g: a[1], + b: a[2], + a: a.length === 4 ? a[3] : 255 + }; +} + +const RGB_RE = /^rgba?\(\s*([-+.\d]+)(%)?[\s,]+([-+.e\d]+)(%)?[\s,]+([-+.e\d]+)(%)?(?:[\s,/]+([-+.e\d]+)(%)?)?\s*\)$/; +function rgbParse(str) { + const m = RGB_RE.exec(str); + let a = 255; + let r, g, b; + if (!m) { + return; + } + if (m[7] !== r) { + const v = +m[7]; + a = m[8] ? p2b(v) : lim(v * 255, 0, 255); + } + r = +m[1]; + g = +m[3]; + b = +m[5]; + r = 255 & (m[2] ? p2b(r) : lim(r, 0, 255)); + g = 255 & (m[4] ? p2b(g) : lim(g, 0, 255)); + b = 255 & (m[6] ? p2b(b) : lim(b, 0, 255)); + return { + r: r, + g: g, + b: b, + a: a + }; +} +function rgbString(v) { + return v && ( + v.a < 255 + ? `rgba(${v.r}, ${v.g}, ${v.b}, ${b2n(v.a)})` + : `rgb(${v.r}, ${v.g}, ${v.b})` + ); +} + +const to = v => v <= 0.0031308 ? v * 12.92 : Math.pow(v, 1.0 / 2.4) * 1.055 - 0.055; +const from = v => v <= 0.04045 ? v / 12.92 : Math.pow((v + 0.055) / 1.055, 2.4); +function interpolate(rgb1, rgb2, t) { + const r = from(b2n(rgb1.r)); + const g = from(b2n(rgb1.g)); + const b = from(b2n(rgb1.b)); + return { + r: n2b(to(r + t * (from(b2n(rgb2.r)) - r))), + g: n2b(to(g + t * (from(b2n(rgb2.g)) - g))), + b: n2b(to(b + t * (from(b2n(rgb2.b)) - b))), + a: rgb1.a + t * (rgb2.a - rgb1.a) + }; +} + +function modHSL(v, i, ratio) { + if (v) { + let tmp = rgb2hsl(v); + tmp[i] = Math.max(0, Math.min(tmp[i] + tmp[i] * ratio, i === 0 ? 360 : 1)); + tmp = hsl2rgb(tmp); + v.r = tmp[0]; + v.g = tmp[1]; + v.b = tmp[2]; + } +} +function clone(v, proto) { + return v ? Object.assign(proto || {}, v) : v; +} +function fromObject(input) { + var v = {r: 0, g: 0, b: 0, a: 255}; + if (Array.isArray(input)) { + if (input.length >= 3) { + v = {r: input[0], g: input[1], b: input[2], a: 255}; + if (input.length > 3) { + v.a = n2b(input[3]); + } + } + } else { + v = clone(input, {r: 0, g: 0, b: 0, a: 1}); + v.a = n2b(v.a); + } + return v; +} +function functionParse(str) { + if (str.charAt(0) === 'r') { + return rgbParse(str); + } + return hueParse(str); +} +class Color { + constructor(input) { + if (input instanceof Color) { + return input; + } + const type = typeof input; + let v; + if (type === 'object') { + v = fromObject(input); + } else if (type === 'string') { + v = hexParse(input) || nameParse(input) || functionParse(input); + } + this._rgb = v; + this._valid = !!v; + } + get valid() { + return this._valid; + } + get rgb() { + var v = clone(this._rgb); + if (v) { + v.a = b2n(v.a); + } + return v; + } + set rgb(obj) { + this._rgb = fromObject(obj); + } + rgbString() { + return this._valid ? rgbString(this._rgb) : undefined; + } + hexString() { + return this._valid ? hexString(this._rgb) : undefined; + } + hslString() { + return this._valid ? hslString(this._rgb) : undefined; + } + mix(color, weight) { + if (color) { + const c1 = this.rgb; + const c2 = color.rgb; + let w2; + const p = weight === w2 ? 0.5 : weight; + const w = 2 * p - 1; + const a = c1.a - c2.a; + const w1 = ((w * a === -1 ? w : (w + a) / (1 + w * a)) + 1) / 2.0; + w2 = 1 - w1; + c1.r = 0xFF & w1 * c1.r + w2 * c2.r + 0.5; + c1.g = 0xFF & w1 * c1.g + w2 * c2.g + 0.5; + c1.b = 0xFF & w1 * c1.b + w2 * c2.b + 0.5; + c1.a = p * c1.a + (1 - p) * c2.a; + this.rgb = c1; + } + return this; + } + interpolate(color, t) { + if (color) { + this._rgb = interpolate(this._rgb, color._rgb, t); + } + return this; + } + clone() { + return new Color(this.rgb); + } + alpha(a) { + this._rgb.a = n2b(a); + return this; + } + clearer(ratio) { + const rgb = this._rgb; + rgb.a *= 1 - ratio; + return this; + } + greyscale() { + const rgb = this._rgb; + const val = round(rgb.r * 0.3 + rgb.g * 0.59 + rgb.b * 0.11); + rgb.r = rgb.g = rgb.b = val; + return this; + } + opaquer(ratio) { + const rgb = this._rgb; + rgb.a *= 1 + ratio; + return this; + } + negate() { + const v = this._rgb; + v.r = 255 - v.r; + v.g = 255 - v.g; + v.b = 255 - v.b; + return this; + } + lighten(ratio) { + modHSL(this._rgb, 2, ratio); + return this; + } + darken(ratio) { + modHSL(this._rgb, 2, -ratio); + return this; + } + saturate(ratio) { + modHSL(this._rgb, 1, ratio); + return this; + } + desaturate(ratio) { + modHSL(this._rgb, 1, -ratio); + return this; + } + rotate(deg) { + rotate(this._rgb, deg); + return this; + } +} + +function index_esm(input) { + return new Color(input); +} + +var color = /*#__PURE__*/Object.freeze({ +__proto__: null, +Color: Color, +default: index_esm, +round: round, +lim: lim, +p2b: p2b, +b2p: b2p, +n2b: n2b, +b2n: b2n, +n2p: n2p, +hexParse: hexParse, +hexString: hexString, +rgb2hsl: rgb2hsl, +hsl2rgb: hsl2rgb, +hwb2rgb: hwb2rgb, +hsv2rgb: hsv2rgb, +hueParse: hueParse, +rotate: rotate, +hslString: hslString, +nameParse: nameParse, +rgbParse: rgbParse, +rgbString: rgbString +}); + +var index = Object.assign(index_esm, color); + +return index; + +})); + + +/***/ }), + +/***/ 6435: +/***/ ((__unused_webpack_module, exports, __nccwpck_require__) => { + +"use strict"; +/*! + * Chart.js v4.4.0 + * https://www.chartjs.org + * (c) 2023 Chart.js Contributors + * Released under the MIT License + */ + + +var helpers_segment = __nccwpck_require__(7904); +__nccwpck_require__(8620); + +class Animator { + constructor(){ + this._request = null; + this._charts = new Map(); + this._running = false; + this._lastDate = undefined; + } + _notify(chart, anims, date, type) { + const callbacks = anims.listeners[type]; + const numSteps = anims.duration; + callbacks.forEach((fn)=>fn({ + chart, + initial: anims.initial, + numSteps, + currentStep: Math.min(date - anims.start, numSteps) + })); + } + _refresh() { + if (this._request) { + return; + } + this._running = true; + this._request = helpers_segment.requestAnimFrame.call(window, ()=>{ + this._update(); + this._request = null; + if (this._running) { + this._refresh(); + } + }); + } + _update(date = Date.now()) { + let remaining = 0; + this._charts.forEach((anims, chart)=>{ + if (!anims.running || !anims.items.length) { + return; + } + const items = anims.items; + let i = items.length - 1; + let draw = false; + let item; + for(; i >= 0; --i){ + item = items[i]; + if (item._active) { + if (item._total > anims.duration) { + anims.duration = item._total; + } + item.tick(date); + draw = true; + } else { + items[i] = items[items.length - 1]; + items.pop(); + } + } + if (draw) { + chart.draw(); + this._notify(chart, anims, date, 'progress'); + } + if (!items.length) { + anims.running = false; + this._notify(chart, anims, date, 'complete'); + anims.initial = false; + } + remaining += items.length; + }); + this._lastDate = date; + if (remaining === 0) { + this._running = false; + } + } + _getAnims(chart) { + const charts = this._charts; + let anims = charts.get(chart); + if (!anims) { + anims = { + running: false, + initial: true, + items: [], + listeners: { + complete: [], + progress: [] + } + }; + charts.set(chart, anims); + } + return anims; + } + listen(chart, event, cb) { + this._getAnims(chart).listeners[event].push(cb); + } + add(chart, items) { + if (!items || !items.length) { + return; + } + this._getAnims(chart).items.push(...items); + } + has(chart) { + return this._getAnims(chart).items.length > 0; + } + start(chart) { + const anims = this._charts.get(chart); + if (!anims) { + return; + } + anims.running = true; + anims.start = Date.now(); + anims.duration = anims.items.reduce((acc, cur)=>Math.max(acc, cur._duration), 0); + this._refresh(); + } + running(chart) { + if (!this._running) { + return false; + } + const anims = this._charts.get(chart); + if (!anims || !anims.running || !anims.items.length) { + return false; + } + return true; + } + stop(chart) { + const anims = this._charts.get(chart); + if (!anims || !anims.items.length) { + return; + } + const items = anims.items; + let i = items.length - 1; + for(; i >= 0; --i){ + items[i].cancel(); + } + anims.items = []; + this._notify(chart, anims, Date.now(), 'complete'); + } + remove(chart) { + return this._charts.delete(chart); + } +} +var animator = /* #__PURE__ */ new Animator(); + +const transparent = 'transparent'; +const interpolators = { + boolean (from, to, factor) { + return factor > 0.5 ? to : from; + }, + color (from, to, factor) { + const c0 = helpers_segment.color(from || transparent); + const c1 = c0.valid && helpers_segment.color(to || transparent); + return c1 && c1.valid ? c1.mix(c0, factor).hexString() : to; + }, + number (from, to, factor) { + return from + (to - from) * factor; + } +}; +class Animation { + constructor(cfg, target, prop, to){ + const currentValue = target[prop]; + to = helpers_segment.resolve([ + cfg.to, + to, + currentValue, + cfg.from + ]); + const from = helpers_segment.resolve([ + cfg.from, + currentValue, + to + ]); + this._active = true; + this._fn = cfg.fn || interpolators[cfg.type || typeof from]; + this._easing = helpers_segment.effects[cfg.easing] || helpers_segment.effects.linear; + this._start = Math.floor(Date.now() + (cfg.delay || 0)); + this._duration = this._total = Math.floor(cfg.duration); + this._loop = !!cfg.loop; + this._target = target; + this._prop = prop; + this._from = from; + this._to = to; + this._promises = undefined; + } + active() { + return this._active; + } + update(cfg, to, date) { + if (this._active) { + this._notify(false); + const currentValue = this._target[this._prop]; + const elapsed = date - this._start; + const remain = this._duration - elapsed; + this._start = date; + this._duration = Math.floor(Math.max(remain, cfg.duration)); + this._total += elapsed; + this._loop = !!cfg.loop; + this._to = helpers_segment.resolve([ + cfg.to, + to, + currentValue, + cfg.from + ]); + this._from = helpers_segment.resolve([ + cfg.from, + currentValue, + to + ]); + } + } + cancel() { + if (this._active) { + this.tick(Date.now()); + this._active = false; + this._notify(false); + } + } + tick(date) { + const elapsed = date - this._start; + const duration = this._duration; + const prop = this._prop; + const from = this._from; + const loop = this._loop; + const to = this._to; + let factor; + this._active = from !== to && (loop || elapsed < duration); + if (!this._active) { + this._target[prop] = to; + this._notify(true); + return; + } + if (elapsed < 0) { + this._target[prop] = from; + return; + } + factor = elapsed / duration % 2; + factor = loop && factor > 1 ? 2 - factor : factor; + factor = this._easing(Math.min(1, Math.max(0, factor))); + this._target[prop] = this._fn(from, to, factor); + } + wait() { + const promises = this._promises || (this._promises = []); + return new Promise((res, rej)=>{ + promises.push({ + res, + rej + }); + }); + } + _notify(resolved) { + const method = resolved ? 'res' : 'rej'; + const promises = this._promises || []; + for(let i = 0; i < promises.length; i++){ + promises[i][method](); + } + } +} + +class Animations { + constructor(chart, config){ + this._chart = chart; + this._properties = new Map(); + this.configure(config); + } + configure(config) { + if (!helpers_segment.isObject(config)) { + return; + } + const animationOptions = Object.keys(helpers_segment.defaults.animation); + const animatedProps = this._properties; + Object.getOwnPropertyNames(config).forEach((key)=>{ + const cfg = config[key]; + if (!helpers_segment.isObject(cfg)) { + return; + } + const resolved = {}; + for (const option of animationOptions){ + resolved[option] = cfg[option]; + } + (helpers_segment.isArray(cfg.properties) && cfg.properties || [ + key + ]).forEach((prop)=>{ + if (prop === key || !animatedProps.has(prop)) { + animatedProps.set(prop, resolved); + } + }); + }); + } + _animateOptions(target, values) { + const newOptions = values.options; + const options = resolveTargetOptions(target, newOptions); + if (!options) { + return []; + } + const animations = this._createAnimations(options, newOptions); + if (newOptions.$shared) { + awaitAll(target.options.$animations, newOptions).then(()=>{ + target.options = newOptions; + }, ()=>{ + }); + } + return animations; + } + _createAnimations(target, values) { + const animatedProps = this._properties; + const animations = []; + const running = target.$animations || (target.$animations = {}); + const props = Object.keys(values); + const date = Date.now(); + let i; + for(i = props.length - 1; i >= 0; --i){ + const prop = props[i]; + if (prop.charAt(0) === '$') { + continue; + } + if (prop === 'options') { + animations.push(...this._animateOptions(target, values)); + continue; + } + const value = values[prop]; + let animation = running[prop]; + const cfg = animatedProps.get(prop); + if (animation) { + if (cfg && animation.active()) { + animation.update(cfg, value, date); + continue; + } else { + animation.cancel(); + } + } + if (!cfg || !cfg.duration) { + target[prop] = value; + continue; + } + running[prop] = animation = new Animation(cfg, target, prop, value); + animations.push(animation); + } + return animations; + } + update(target, values) { + if (this._properties.size === 0) { + Object.assign(target, values); + return; + } + const animations = this._createAnimations(target, values); + if (animations.length) { + animator.add(this._chart, animations); + return true; + } + } +} +function awaitAll(animations, properties) { + const running = []; + const keys = Object.keys(properties); + for(let i = 0; i < keys.length; i++){ + const anim = animations[keys[i]]; + if (anim && anim.active()) { + running.push(anim.wait()); + } + } + return Promise.all(running); +} +function resolveTargetOptions(target, newOptions) { + if (!newOptions) { + return; + } + let options = target.options; + if (!options) { + target.options = newOptions; + return; + } + if (options.$shared) { + target.options = options = Object.assign({}, options, { + $shared: false, + $animations: {} + }); + } + return options; +} + +function scaleClip(scale, allowedOverflow) { + const opts = scale && scale.options || {}; + const reverse = opts.reverse; + const min = opts.min === undefined ? allowedOverflow : 0; + const max = opts.max === undefined ? allowedOverflow : 0; + return { + start: reverse ? max : min, + end: reverse ? min : max + }; +} +function defaultClip(xScale, yScale, allowedOverflow) { + if (allowedOverflow === false) { + return false; + } + const x = scaleClip(xScale, allowedOverflow); + const y = scaleClip(yScale, allowedOverflow); + return { + top: y.end, + right: x.end, + bottom: y.start, + left: x.start + }; +} +function toClip(value) { + let t, r, b, l; + if (helpers_segment.isObject(value)) { + t = value.top; + r = value.right; + b = value.bottom; + l = value.left; + } else { + t = r = b = l = value; + } + return { + top: t, + right: r, + bottom: b, + left: l, + disabled: value === false + }; +} +function getSortedDatasetIndices(chart, filterVisible) { + const keys = []; + const metasets = chart._getSortedDatasetMetas(filterVisible); + let i, ilen; + for(i = 0, ilen = metasets.length; i < ilen; ++i){ + keys.push(metasets[i].index); + } + return keys; +} +function applyStack(stack, value, dsIndex, options = {}) { + const keys = stack.keys; + const singleMode = options.mode === 'single'; + let i, ilen, datasetIndex, otherValue; + if (value === null) { + return; + } + for(i = 0, ilen = keys.length; i < ilen; ++i){ + datasetIndex = +keys[i]; + if (datasetIndex === dsIndex) { + if (options.all) { + continue; + } + break; + } + otherValue = stack.values[datasetIndex]; + if (helpers_segment.isNumberFinite(otherValue) && (singleMode || value === 0 || helpers_segment.sign(value) === helpers_segment.sign(otherValue))) { + value += otherValue; + } + } + return value; +} +function convertObjectDataToArray(data) { + const keys = Object.keys(data); + const adata = new Array(keys.length); + let i, ilen, key; + for(i = 0, ilen = keys.length; i < ilen; ++i){ + key = keys[i]; + adata[i] = { + x: key, + y: data[key] + }; + } + return adata; +} +function isStacked(scale, meta) { + const stacked = scale && scale.options.stacked; + return stacked || stacked === undefined && meta.stack !== undefined; +} +function getStackKey(indexScale, valueScale, meta) { + return `${indexScale.id}.${valueScale.id}.${meta.stack || meta.type}`; +} +function getUserBounds(scale) { + const { min , max , minDefined , maxDefined } = scale.getUserBounds(); + return { + min: minDefined ? min : Number.NEGATIVE_INFINITY, + max: maxDefined ? max : Number.POSITIVE_INFINITY + }; +} +function getOrCreateStack(stacks, stackKey, indexValue) { + const subStack = stacks[stackKey] || (stacks[stackKey] = {}); + return subStack[indexValue] || (subStack[indexValue] = {}); +} +function getLastIndexInStack(stack, vScale, positive, type) { + for (const meta of vScale.getMatchingVisibleMetas(type).reverse()){ + const value = stack[meta.index]; + if (positive && value > 0 || !positive && value < 0) { + return meta.index; + } + } + return null; +} +function updateStacks(controller, parsed) { + const { chart , _cachedMeta: meta } = controller; + const stacks = chart._stacks || (chart._stacks = {}); + const { iScale , vScale , index: datasetIndex } = meta; + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const key = getStackKey(iScale, vScale, meta); + const ilen = parsed.length; + let stack; + for(let i = 0; i < ilen; ++i){ + const item = parsed[i]; + const { [iAxis]: index , [vAxis]: value } = item; + const itemStacks = item._stacks || (item._stacks = {}); + stack = itemStacks[vAxis] = getOrCreateStack(stacks, key, index); + stack[datasetIndex] = value; + stack._top = getLastIndexInStack(stack, vScale, true, meta.type); + stack._bottom = getLastIndexInStack(stack, vScale, false, meta.type); + const visualValues = stack._visualValues || (stack._visualValues = {}); + visualValues[datasetIndex] = value; + } +} +function getFirstScaleId(chart, axis) { + const scales = chart.scales; + return Object.keys(scales).filter((key)=>scales[key].axis === axis).shift(); +} +function createDatasetContext(parent, index) { + return helpers_segment.createContext(parent, { + active: false, + dataset: undefined, + datasetIndex: index, + index, + mode: 'default', + type: 'dataset' + }); +} +function createDataContext(parent, index, element) { + return helpers_segment.createContext(parent, { + active: false, + dataIndex: index, + parsed: undefined, + raw: undefined, + element, + index, + mode: 'default', + type: 'data' + }); +} +function clearStacks(meta, items) { + const datasetIndex = meta.controller.index; + const axis = meta.vScale && meta.vScale.axis; + if (!axis) { + return; + } + items = items || meta._parsed; + for (const parsed of items){ + const stacks = parsed._stacks; + if (!stacks || stacks[axis] === undefined || stacks[axis][datasetIndex] === undefined) { + return; + } + delete stacks[axis][datasetIndex]; + if (stacks[axis]._visualValues !== undefined && stacks[axis]._visualValues[datasetIndex] !== undefined) { + delete stacks[axis]._visualValues[datasetIndex]; + } + } +} +const isDirectUpdateMode = (mode)=>mode === 'reset' || mode === 'none'; +const cloneIfNotShared = (cached, shared)=>shared ? cached : Object.assign({}, cached); +const createStack = (canStack, meta, chart)=>canStack && !meta.hidden && meta._stacked && { + keys: getSortedDatasetIndices(chart, true), + values: null + }; +class DatasetController { + static defaults = {}; + static datasetElementType = null; + static dataElementType = null; + constructor(chart, datasetIndex){ + this.chart = chart; + this._ctx = chart.ctx; + this.index = datasetIndex; + this._cachedDataOpts = {}; + this._cachedMeta = this.getMeta(); + this._type = this._cachedMeta.type; + this.options = undefined; + this._parsing = false; + this._data = undefined; + this._objectData = undefined; + this._sharedOptions = undefined; + this._drawStart = undefined; + this._drawCount = undefined; + this.enableOptionSharing = false; + this.supportsDecimation = false; + this.$context = undefined; + this._syncList = []; + this.datasetElementType = new.target.datasetElementType; + this.dataElementType = new.target.dataElementType; + this.initialize(); + } + initialize() { + const meta = this._cachedMeta; + this.configure(); + this.linkScales(); + meta._stacked = isStacked(meta.vScale, meta); + this.addElements(); + if (this.options.fill && !this.chart.isPluginEnabled('filler')) { + console.warn("Tried to use the 'fill' option without the 'Filler' plugin enabled. Please import and register the 'Filler' plugin and make sure it is not disabled in the options"); + } + } + updateIndex(datasetIndex) { + if (this.index !== datasetIndex) { + clearStacks(this._cachedMeta); + } + this.index = datasetIndex; + } + linkScales() { + const chart = this.chart; + const meta = this._cachedMeta; + const dataset = this.getDataset(); + const chooseId = (axis, x, y, r)=>axis === 'x' ? x : axis === 'r' ? r : y; + const xid = meta.xAxisID = helpers_segment.valueOrDefault(dataset.xAxisID, getFirstScaleId(chart, 'x')); + const yid = meta.yAxisID = helpers_segment.valueOrDefault(dataset.yAxisID, getFirstScaleId(chart, 'y')); + const rid = meta.rAxisID = helpers_segment.valueOrDefault(dataset.rAxisID, getFirstScaleId(chart, 'r')); + const indexAxis = meta.indexAxis; + const iid = meta.iAxisID = chooseId(indexAxis, xid, yid, rid); + const vid = meta.vAxisID = chooseId(indexAxis, yid, xid, rid); + meta.xScale = this.getScaleForId(xid); + meta.yScale = this.getScaleForId(yid); + meta.rScale = this.getScaleForId(rid); + meta.iScale = this.getScaleForId(iid); + meta.vScale = this.getScaleForId(vid); + } + getDataset() { + return this.chart.data.datasets[this.index]; + } + getMeta() { + return this.chart.getDatasetMeta(this.index); + } + getScaleForId(scaleID) { + return this.chart.scales[scaleID]; + } + _getOtherScale(scale) { + const meta = this._cachedMeta; + return scale === meta.iScale ? meta.vScale : meta.iScale; + } + reset() { + this._update('reset'); + } + _destroy() { + const meta = this._cachedMeta; + if (this._data) { + helpers_segment.unlistenArrayEvents(this._data, this); + } + if (meta._stacked) { + clearStacks(meta); + } + } + _dataCheck() { + const dataset = this.getDataset(); + const data = dataset.data || (dataset.data = []); + const _data = this._data; + if (helpers_segment.isObject(data)) { + this._data = convertObjectDataToArray(data); + } else if (_data !== data) { + if (_data) { + helpers_segment.unlistenArrayEvents(_data, this); + const meta = this._cachedMeta; + clearStacks(meta); + meta._parsed = []; + } + if (data && Object.isExtensible(data)) { + helpers_segment.listenArrayEvents(data, this); + } + this._syncList = []; + this._data = data; + } + } + addElements() { + const meta = this._cachedMeta; + this._dataCheck(); + if (this.datasetElementType) { + meta.dataset = new this.datasetElementType(); + } + } + buildOrUpdateElements(resetNewElements) { + const meta = this._cachedMeta; + const dataset = this.getDataset(); + let stackChanged = false; + this._dataCheck(); + const oldStacked = meta._stacked; + meta._stacked = isStacked(meta.vScale, meta); + if (meta.stack !== dataset.stack) { + stackChanged = true; + clearStacks(meta); + meta.stack = dataset.stack; + } + this._resyncElements(resetNewElements); + if (stackChanged || oldStacked !== meta._stacked) { + updateStacks(this, meta._parsed); + } + } + configure() { + const config = this.chart.config; + const scopeKeys = config.datasetScopeKeys(this._type); + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys, true); + this.options = config.createResolver(scopes, this.getContext()); + this._parsing = this.options.parsing; + this._cachedDataOpts = {}; + } + parse(start, count) { + const { _cachedMeta: meta , _data: data } = this; + const { iScale , _stacked } = meta; + const iAxis = iScale.axis; + let sorted = start === 0 && count === data.length ? true : meta._sorted; + let prev = start > 0 && meta._parsed[start - 1]; + let i, cur, parsed; + if (this._parsing === false) { + meta._parsed = data; + meta._sorted = true; + parsed = data; + } else { + if (helpers_segment.isArray(data[start])) { + parsed = this.parseArrayData(meta, data, start, count); + } else if (helpers_segment.isObject(data[start])) { + parsed = this.parseObjectData(meta, data, start, count); + } else { + parsed = this.parsePrimitiveData(meta, data, start, count); + } + const isNotInOrderComparedToPrev = ()=>cur[iAxis] === null || prev && cur[iAxis] < prev[iAxis]; + for(i = 0; i < count; ++i){ + meta._parsed[i + start] = cur = parsed[i]; + if (sorted) { + if (isNotInOrderComparedToPrev()) { + sorted = false; + } + prev = cur; + } + } + meta._sorted = sorted; + } + if (_stacked) { + updateStacks(this, parsed); + } + } + parsePrimitiveData(meta, data, start, count) { + const { iScale , vScale } = meta; + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const labels = iScale.getLabels(); + const singleScale = iScale === vScale; + const parsed = new Array(count); + let i, ilen, index; + for(i = 0, ilen = count; i < ilen; ++i){ + index = i + start; + parsed[i] = { + [iAxis]: singleScale || iScale.parse(labels[index], index), + [vAxis]: vScale.parse(data[index], index) + }; + } + return parsed; + } + parseArrayData(meta, data, start, count) { + const { xScale , yScale } = meta; + const parsed = new Array(count); + let i, ilen, index, item; + for(i = 0, ilen = count; i < ilen; ++i){ + index = i + start; + item = data[index]; + parsed[i] = { + x: xScale.parse(item[0], index), + y: yScale.parse(item[1], index) + }; + } + return parsed; + } + parseObjectData(meta, data, start, count) { + const { xScale , yScale } = meta; + const { xAxisKey ='x' , yAxisKey ='y' } = this._parsing; + const parsed = new Array(count); + let i, ilen, index, item; + for(i = 0, ilen = count; i < ilen; ++i){ + index = i + start; + item = data[index]; + parsed[i] = { + x: xScale.parse(helpers_segment.resolveObjectKey(item, xAxisKey), index), + y: yScale.parse(helpers_segment.resolveObjectKey(item, yAxisKey), index) + }; + } + return parsed; + } + getParsed(index) { + return this._cachedMeta._parsed[index]; + } + getDataElement(index) { + return this._cachedMeta.data[index]; + } + applyStack(scale, parsed, mode) { + const chart = this.chart; + const meta = this._cachedMeta; + const value = parsed[scale.axis]; + const stack = { + keys: getSortedDatasetIndices(chart, true), + values: parsed._stacks[scale.axis]._visualValues + }; + return applyStack(stack, value, meta.index, { + mode + }); + } + updateRangeFromParsed(range, scale, parsed, stack) { + const parsedValue = parsed[scale.axis]; + let value = parsedValue === null ? NaN : parsedValue; + const values = stack && parsed._stacks[scale.axis]; + if (stack && values) { + stack.values = values; + value = applyStack(stack, parsedValue, this._cachedMeta.index); + } + range.min = Math.min(range.min, value); + range.max = Math.max(range.max, value); + } + getMinMax(scale, canStack) { + const meta = this._cachedMeta; + const _parsed = meta._parsed; + const sorted = meta._sorted && scale === meta.iScale; + const ilen = _parsed.length; + const otherScale = this._getOtherScale(scale); + const stack = createStack(canStack, meta, this.chart); + const range = { + min: Number.POSITIVE_INFINITY, + max: Number.NEGATIVE_INFINITY + }; + const { min: otherMin , max: otherMax } = getUserBounds(otherScale); + let i, parsed; + function _skip() { + parsed = _parsed[i]; + const otherValue = parsed[otherScale.axis]; + return !helpers_segment.isNumberFinite(parsed[scale.axis]) || otherMin > otherValue || otherMax < otherValue; + } + for(i = 0; i < ilen; ++i){ + if (_skip()) { + continue; + } + this.updateRangeFromParsed(range, scale, parsed, stack); + if (sorted) { + break; + } + } + if (sorted) { + for(i = ilen - 1; i >= 0; --i){ + if (_skip()) { + continue; + } + this.updateRangeFromParsed(range, scale, parsed, stack); + break; + } + } + return range; + } + getAllParsedValues(scale) { + const parsed = this._cachedMeta._parsed; + const values = []; + let i, ilen, value; + for(i = 0, ilen = parsed.length; i < ilen; ++i){ + value = parsed[i][scale.axis]; + if (helpers_segment.isNumberFinite(value)) { + values.push(value); + } + } + return values; + } + getMaxOverflow() { + return false; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const iScale = meta.iScale; + const vScale = meta.vScale; + const parsed = this.getParsed(index); + return { + label: iScale ? '' + iScale.getLabelForValue(parsed[iScale.axis]) : '', + value: vScale ? '' + vScale.getLabelForValue(parsed[vScale.axis]) : '' + }; + } + _update(mode) { + const meta = this._cachedMeta; + this.update(mode || 'default'); + meta._clip = toClip(helpers_segment.valueOrDefault(this.options.clip, defaultClip(meta.xScale, meta.yScale, this.getMaxOverflow()))); + } + update(mode) {} + draw() { + const ctx = this._ctx; + const chart = this.chart; + const meta = this._cachedMeta; + const elements = meta.data || []; + const area = chart.chartArea; + const active = []; + const start = this._drawStart || 0; + const count = this._drawCount || elements.length - start; + const drawActiveElementsOnTop = this.options.drawActiveElementsOnTop; + let i; + if (meta.dataset) { + meta.dataset.draw(ctx, area, start, count); + } + for(i = start; i < start + count; ++i){ + const element = elements[i]; + if (element.hidden) { + continue; + } + if (element.active && drawActiveElementsOnTop) { + active.push(element); + } else { + element.draw(ctx, area); + } + } + for(i = 0; i < active.length; ++i){ + active[i].draw(ctx, area); + } + } + getStyle(index, active) { + const mode = active ? 'active' : 'default'; + return index === undefined && this._cachedMeta.dataset ? this.resolveDatasetElementOptions(mode) : this.resolveDataElementOptions(index || 0, mode); + } + getContext(index, active, mode) { + const dataset = this.getDataset(); + let context; + if (index >= 0 && index < this._cachedMeta.data.length) { + const element = this._cachedMeta.data[index]; + context = element.$context || (element.$context = createDataContext(this.getContext(), index, element)); + context.parsed = this.getParsed(index); + context.raw = dataset.data[index]; + context.index = context.dataIndex = index; + } else { + context = this.$context || (this.$context = createDatasetContext(this.chart.getContext(), this.index)); + context.dataset = dataset; + context.index = context.datasetIndex = this.index; + } + context.active = !!active; + context.mode = mode; + return context; + } + resolveDatasetElementOptions(mode) { + return this._resolveElementOptions(this.datasetElementType.id, mode); + } + resolveDataElementOptions(index, mode) { + return this._resolveElementOptions(this.dataElementType.id, mode, index); + } + _resolveElementOptions(elementType, mode = 'default', index) { + const active = mode === 'active'; + const cache = this._cachedDataOpts; + const cacheKey = elementType + '-' + mode; + const cached = cache[cacheKey]; + const sharing = this.enableOptionSharing && helpers_segment.defined(index); + if (cached) { + return cloneIfNotShared(cached, sharing); + } + const config = this.chart.config; + const scopeKeys = config.datasetElementScopeKeys(this._type, elementType); + const prefixes = active ? [ + `${elementType}Hover`, + 'hover', + elementType, + '' + ] : [ + elementType, + '' + ]; + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys); + const names = Object.keys(helpers_segment.defaults.elements[elementType]); + const context = ()=>this.getContext(index, active, mode); + const values = config.resolveNamedOptions(scopes, names, context, prefixes); + if (values.$shared) { + values.$shared = sharing; + cache[cacheKey] = Object.freeze(cloneIfNotShared(values, sharing)); + } + return values; + } + _resolveAnimations(index, transition, active) { + const chart = this.chart; + const cache = this._cachedDataOpts; + const cacheKey = `animation-${transition}`; + const cached = cache[cacheKey]; + if (cached) { + return cached; + } + let options; + if (chart.options.animation !== false) { + const config = this.chart.config; + const scopeKeys = config.datasetAnimationScopeKeys(this._type, transition); + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys); + options = config.createResolver(scopes, this.getContext(index, active, transition)); + } + const animations = new Animations(chart, options && options.animations); + if (options && options._cacheable) { + cache[cacheKey] = Object.freeze(animations); + } + return animations; + } + getSharedOptions(options) { + if (!options.$shared) { + return; + } + return this._sharedOptions || (this._sharedOptions = Object.assign({}, options)); + } + includeOptions(mode, sharedOptions) { + return !sharedOptions || isDirectUpdateMode(mode) || this.chart._animationsDisabled; + } + _getSharedOptions(start, mode) { + const firstOpts = this.resolveDataElementOptions(start, mode); + const previouslySharedOptions = this._sharedOptions; + const sharedOptions = this.getSharedOptions(firstOpts); + const includeOptions = this.includeOptions(mode, sharedOptions) || sharedOptions !== previouslySharedOptions; + this.updateSharedOptions(sharedOptions, mode, firstOpts); + return { + sharedOptions, + includeOptions + }; + } + updateElement(element, index, properties, mode) { + if (isDirectUpdateMode(mode)) { + Object.assign(element, properties); + } else { + this._resolveAnimations(index, mode).update(element, properties); + } + } + updateSharedOptions(sharedOptions, mode, newOptions) { + if (sharedOptions && !isDirectUpdateMode(mode)) { + this._resolveAnimations(undefined, mode).update(sharedOptions, newOptions); + } + } + _setStyle(element, index, mode, active) { + element.active = active; + const options = this.getStyle(index, active); + this._resolveAnimations(index, mode, active).update(element, { + options: !active && this.getSharedOptions(options) || options + }); + } + removeHoverStyle(element, datasetIndex, index) { + this._setStyle(element, index, 'active', false); + } + setHoverStyle(element, datasetIndex, index) { + this._setStyle(element, index, 'active', true); + } + _removeDatasetHoverStyle() { + const element = this._cachedMeta.dataset; + if (element) { + this._setStyle(element, undefined, 'active', false); + } + } + _setDatasetHoverStyle() { + const element = this._cachedMeta.dataset; + if (element) { + this._setStyle(element, undefined, 'active', true); + } + } + _resyncElements(resetNewElements) { + const data = this._data; + const elements = this._cachedMeta.data; + for (const [method, arg1, arg2] of this._syncList){ + this[method](arg1, arg2); + } + this._syncList = []; + const numMeta = elements.length; + const numData = data.length; + const count = Math.min(numData, numMeta); + if (count) { + this.parse(0, count); + } + if (numData > numMeta) { + this._insertElements(numMeta, numData - numMeta, resetNewElements); + } else if (numData < numMeta) { + this._removeElements(numData, numMeta - numData); + } + } + _insertElements(start, count, resetNewElements = true) { + const meta = this._cachedMeta; + const data = meta.data; + const end = start + count; + let i; + const move = (arr)=>{ + arr.length += count; + for(i = arr.length - 1; i >= end; i--){ + arr[i] = arr[i - count]; + } + }; + move(data); + for(i = start; i < end; ++i){ + data[i] = new this.dataElementType(); + } + if (this._parsing) { + move(meta._parsed); + } + this.parse(start, count); + if (resetNewElements) { + this.updateElements(data, start, count, 'reset'); + } + } + updateElements(element, start, count, mode) {} + _removeElements(start, count) { + const meta = this._cachedMeta; + if (this._parsing) { + const removed = meta._parsed.splice(start, count); + if (meta._stacked) { + clearStacks(meta, removed); + } + } + meta.data.splice(start, count); + } + _sync(args) { + if (this._parsing) { + this._syncList.push(args); + } else { + const [method, arg1, arg2] = args; + this[method](arg1, arg2); + } + this.chart._dataChanges.push([ + this.index, + ...args + ]); + } + _onDataPush() { + const count = arguments.length; + this._sync([ + '_insertElements', + this.getDataset().data.length - count, + count + ]); + } + _onDataPop() { + this._sync([ + '_removeElements', + this._cachedMeta.data.length - 1, + 1 + ]); + } + _onDataShift() { + this._sync([ + '_removeElements', + 0, + 1 + ]); + } + _onDataSplice(start, count) { + if (count) { + this._sync([ + '_removeElements', + start, + count + ]); + } + const newCount = arguments.length - 2; + if (newCount) { + this._sync([ + '_insertElements', + start, + newCount + ]); + } + } + _onDataUnshift() { + this._sync([ + '_insertElements', + 0, + arguments.length + ]); + } +} + +function getAllScaleValues(scale, type) { + if (!scale._cache.$bar) { + const visibleMetas = scale.getMatchingVisibleMetas(type); + let values = []; + for(let i = 0, ilen = visibleMetas.length; i < ilen; i++){ + values = values.concat(visibleMetas[i].controller.getAllParsedValues(scale)); + } + scale._cache.$bar = helpers_segment._arrayUnique(values.sort((a, b)=>a - b)); + } + return scale._cache.$bar; +} + function computeMinSampleSize(meta) { + const scale = meta.iScale; + const values = getAllScaleValues(scale, meta.type); + let min = scale._length; + let i, ilen, curr, prev; + const updateMinAndPrev = ()=>{ + if (curr === 32767 || curr === -32768) { + return; + } + if (helpers_segment.defined(prev)) { + min = Math.min(min, Math.abs(curr - prev) || min); + } + prev = curr; + }; + for(i = 0, ilen = values.length; i < ilen; ++i){ + curr = scale.getPixelForValue(values[i]); + updateMinAndPrev(); + } + prev = undefined; + for(i = 0, ilen = scale.ticks.length; i < ilen; ++i){ + curr = scale.getPixelForTick(i); + updateMinAndPrev(); + } + return min; +} + function computeFitCategoryTraits(index, ruler, options, stackCount) { + const thickness = options.barThickness; + let size, ratio; + if (helpers_segment.isNullOrUndef(thickness)) { + size = ruler.min * options.categoryPercentage; + ratio = options.barPercentage; + } else { + size = thickness * stackCount; + ratio = 1; + } + return { + chunk: size / stackCount, + ratio, + start: ruler.pixels[index] - size / 2 + }; +} + function computeFlexCategoryTraits(index, ruler, options, stackCount) { + const pixels = ruler.pixels; + const curr = pixels[index]; + let prev = index > 0 ? pixels[index - 1] : null; + let next = index < pixels.length - 1 ? pixels[index + 1] : null; + const percent = options.categoryPercentage; + if (prev === null) { + prev = curr - (next === null ? ruler.end - ruler.start : next - curr); + } + if (next === null) { + next = curr + curr - prev; + } + const start = curr - (curr - Math.min(prev, next)) / 2 * percent; + const size = Math.abs(next - prev) / 2 * percent; + return { + chunk: size / stackCount, + ratio: options.barPercentage, + start + }; +} +function parseFloatBar(entry, item, vScale, i) { + const startValue = vScale.parse(entry[0], i); + const endValue = vScale.parse(entry[1], i); + const min = Math.min(startValue, endValue); + const max = Math.max(startValue, endValue); + let barStart = min; + let barEnd = max; + if (Math.abs(min) > Math.abs(max)) { + barStart = max; + barEnd = min; + } + item[vScale.axis] = barEnd; + item._custom = { + barStart, + barEnd, + start: startValue, + end: endValue, + min, + max + }; +} +function parseValue(entry, item, vScale, i) { + if (helpers_segment.isArray(entry)) { + parseFloatBar(entry, item, vScale, i); + } else { + item[vScale.axis] = vScale.parse(entry, i); + } + return item; +} +function parseArrayOrPrimitive(meta, data, start, count) { + const iScale = meta.iScale; + const vScale = meta.vScale; + const labels = iScale.getLabels(); + const singleScale = iScale === vScale; + const parsed = []; + let i, ilen, item, entry; + for(i = start, ilen = start + count; i < ilen; ++i){ + entry = data[i]; + item = {}; + item[iScale.axis] = singleScale || iScale.parse(labels[i], i); + parsed.push(parseValue(entry, item, vScale, i)); + } + return parsed; +} +function isFloatBar(custom) { + return custom && custom.barStart !== undefined && custom.barEnd !== undefined; +} +function barSign(size, vScale, actualBase) { + if (size !== 0) { + return helpers_segment.sign(size); + } + return (vScale.isHorizontal() ? 1 : -1) * (vScale.min >= actualBase ? 1 : -1); +} +function borderProps(properties) { + let reverse, start, end, top, bottom; + if (properties.horizontal) { + reverse = properties.base > properties.x; + start = 'left'; + end = 'right'; + } else { + reverse = properties.base < properties.y; + start = 'bottom'; + end = 'top'; + } + if (reverse) { + top = 'end'; + bottom = 'start'; + } else { + top = 'start'; + bottom = 'end'; + } + return { + start, + end, + reverse, + top, + bottom + }; +} +function setBorderSkipped(properties, options, stack, index) { + let edge = options.borderSkipped; + const res = {}; + if (!edge) { + properties.borderSkipped = res; + return; + } + if (edge === true) { + properties.borderSkipped = { + top: true, + right: true, + bottom: true, + left: true + }; + return; + } + const { start , end , reverse , top , bottom } = borderProps(properties); + if (edge === 'middle' && stack) { + properties.enableBorderRadius = true; + if ((stack._top || 0) === index) { + edge = top; + } else if ((stack._bottom || 0) === index) { + edge = bottom; + } else { + res[parseEdge(bottom, start, end, reverse)] = true; + edge = top; + } + } + res[parseEdge(edge, start, end, reverse)] = true; + properties.borderSkipped = res; +} +function parseEdge(edge, a, b, reverse) { + if (reverse) { + edge = swap(edge, a, b); + edge = startEnd(edge, b, a); + } else { + edge = startEnd(edge, a, b); + } + return edge; +} +function swap(orig, v1, v2) { + return orig === v1 ? v2 : orig === v2 ? v1 : orig; +} +function startEnd(v, start, end) { + return v === 'start' ? start : v === 'end' ? end : v; +} +function setInflateAmount(properties, { inflateAmount }, ratio) { + properties.inflateAmount = inflateAmount === 'auto' ? ratio === 1 ? 0.33 : 0 : inflateAmount; +} +class BarController extends DatasetController { + static id = 'bar'; + static defaults = { + datasetElementType: false, + dataElementType: 'bar', + categoryPercentage: 0.8, + barPercentage: 0.9, + grouped: true, + animations: { + numbers: { + type: 'number', + properties: [ + 'x', + 'y', + 'base', + 'width', + 'height' + ] + } + } + }; + static overrides = { + scales: { + _index_: { + type: 'category', + offset: true, + grid: { + offset: true + } + }, + _value_: { + type: 'linear', + beginAtZero: true + } + } + }; + parsePrimitiveData(meta, data, start, count) { + return parseArrayOrPrimitive(meta, data, start, count); + } + parseArrayData(meta, data, start, count) { + return parseArrayOrPrimitive(meta, data, start, count); + } + parseObjectData(meta, data, start, count) { + const { iScale , vScale } = meta; + const { xAxisKey ='x' , yAxisKey ='y' } = this._parsing; + const iAxisKey = iScale.axis === 'x' ? xAxisKey : yAxisKey; + const vAxisKey = vScale.axis === 'x' ? xAxisKey : yAxisKey; + const parsed = []; + let i, ilen, item, obj; + for(i = start, ilen = start + count; i < ilen; ++i){ + obj = data[i]; + item = {}; + item[iScale.axis] = iScale.parse(helpers_segment.resolveObjectKey(obj, iAxisKey), i); + parsed.push(parseValue(helpers_segment.resolveObjectKey(obj, vAxisKey), item, vScale, i)); + } + return parsed; + } + updateRangeFromParsed(range, scale, parsed, stack) { + super.updateRangeFromParsed(range, scale, parsed, stack); + const custom = parsed._custom; + if (custom && scale === this._cachedMeta.vScale) { + range.min = Math.min(range.min, custom.min); + range.max = Math.max(range.max, custom.max); + } + } + getMaxOverflow() { + return 0; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const { iScale , vScale } = meta; + const parsed = this.getParsed(index); + const custom = parsed._custom; + const value = isFloatBar(custom) ? '[' + custom.start + ', ' + custom.end + ']' : '' + vScale.getLabelForValue(parsed[vScale.axis]); + return { + label: '' + iScale.getLabelForValue(parsed[iScale.axis]), + value + }; + } + initialize() { + this.enableOptionSharing = true; + super.initialize(); + const meta = this._cachedMeta; + meta.stack = this.getDataset().stack; + } + update(mode) { + const meta = this._cachedMeta; + this.updateElements(meta.data, 0, meta.data.length, mode); + } + updateElements(bars, start, count, mode) { + const reset = mode === 'reset'; + const { index , _cachedMeta: { vScale } } = this; + const base = vScale.getBasePixel(); + const horizontal = vScale.isHorizontal(); + const ruler = this._getRuler(); + const { sharedOptions , includeOptions } = this._getSharedOptions(start, mode); + for(let i = start; i < start + count; i++){ + const parsed = this.getParsed(i); + const vpixels = reset || helpers_segment.isNullOrUndef(parsed[vScale.axis]) ? { + base, + head: base + } : this._calculateBarValuePixels(i); + const ipixels = this._calculateBarIndexPixels(i, ruler); + const stack = (parsed._stacks || {})[vScale.axis]; + const properties = { + horizontal, + base: vpixels.base, + enableBorderRadius: !stack || isFloatBar(parsed._custom) || index === stack._top || index === stack._bottom, + x: horizontal ? vpixels.head : ipixels.center, + y: horizontal ? ipixels.center : vpixels.head, + height: horizontal ? ipixels.size : Math.abs(vpixels.size), + width: horizontal ? Math.abs(vpixels.size) : ipixels.size + }; + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, bars[i].active ? 'active' : mode); + } + const options = properties.options || bars[i].options; + setBorderSkipped(properties, options, stack, index); + setInflateAmount(properties, options, ruler.ratio); + this.updateElement(bars[i], i, properties, mode); + } + } + _getStacks(last, dataIndex) { + const { iScale } = this._cachedMeta; + const metasets = iScale.getMatchingVisibleMetas(this._type).filter((meta)=>meta.controller.options.grouped); + const stacked = iScale.options.stacked; + const stacks = []; + const skipNull = (meta)=>{ + const parsed = meta.controller.getParsed(dataIndex); + const val = parsed && parsed[meta.vScale.axis]; + if (helpers_segment.isNullOrUndef(val) || isNaN(val)) { + return true; + } + }; + for (const meta of metasets){ + if (dataIndex !== undefined && skipNull(meta)) { + continue; + } + if (stacked === false || stacks.indexOf(meta.stack) === -1 || stacked === undefined && meta.stack === undefined) { + stacks.push(meta.stack); + } + if (meta.index === last) { + break; + } + } + if (!stacks.length) { + stacks.push(undefined); + } + return stacks; + } + _getStackCount(index) { + return this._getStacks(undefined, index).length; + } + _getStackIndex(datasetIndex, name, dataIndex) { + const stacks = this._getStacks(datasetIndex, dataIndex); + const index = name !== undefined ? stacks.indexOf(name) : -1; + return index === -1 ? stacks.length - 1 : index; + } + _getRuler() { + const opts = this.options; + const meta = this._cachedMeta; + const iScale = meta.iScale; + const pixels = []; + let i, ilen; + for(i = 0, ilen = meta.data.length; i < ilen; ++i){ + pixels.push(iScale.getPixelForValue(this.getParsed(i)[iScale.axis], i)); + } + const barThickness = opts.barThickness; + const min = barThickness || computeMinSampleSize(meta); + return { + min, + pixels, + start: iScale._startPixel, + end: iScale._endPixel, + stackCount: this._getStackCount(), + scale: iScale, + grouped: opts.grouped, + ratio: barThickness ? 1 : opts.categoryPercentage * opts.barPercentage + }; + } + _calculateBarValuePixels(index) { + const { _cachedMeta: { vScale , _stacked , index: datasetIndex } , options: { base: baseValue , minBarLength } } = this; + const actualBase = baseValue || 0; + const parsed = this.getParsed(index); + const custom = parsed._custom; + const floating = isFloatBar(custom); + let value = parsed[vScale.axis]; + let start = 0; + let length = _stacked ? this.applyStack(vScale, parsed, _stacked) : value; + let head, size; + if (length !== value) { + start = length - value; + length = value; + } + if (floating) { + value = custom.barStart; + length = custom.barEnd - custom.barStart; + if (value !== 0 && helpers_segment.sign(value) !== helpers_segment.sign(custom.barEnd)) { + start = 0; + } + start += value; + } + const startValue = !helpers_segment.isNullOrUndef(baseValue) && !floating ? baseValue : start; + let base = vScale.getPixelForValue(startValue); + if (this.chart.getDataVisibility(index)) { + head = vScale.getPixelForValue(start + length); + } else { + head = base; + } + size = head - base; + if (Math.abs(size) < minBarLength) { + size = barSign(size, vScale, actualBase) * minBarLength; + if (value === actualBase) { + base -= size / 2; + } + const startPixel = vScale.getPixelForDecimal(0); + const endPixel = vScale.getPixelForDecimal(1); + const min = Math.min(startPixel, endPixel); + const max = Math.max(startPixel, endPixel); + base = Math.max(Math.min(base, max), min); + head = base + size; + if (_stacked && !floating) { + parsed._stacks[vScale.axis]._visualValues[datasetIndex] = vScale.getValueForPixel(head) - vScale.getValueForPixel(base); + } + } + if (base === vScale.getPixelForValue(actualBase)) { + const halfGrid = helpers_segment.sign(size) * vScale.getLineWidthForValue(actualBase) / 2; + base += halfGrid; + size -= halfGrid; + } + return { + size, + base, + head, + center: head + size / 2 + }; + } + _calculateBarIndexPixels(index, ruler) { + const scale = ruler.scale; + const options = this.options; + const skipNull = options.skipNull; + const maxBarThickness = helpers_segment.valueOrDefault(options.maxBarThickness, Infinity); + let center, size; + if (ruler.grouped) { + const stackCount = skipNull ? this._getStackCount(index) : ruler.stackCount; + const range = options.barThickness === 'flex' ? computeFlexCategoryTraits(index, ruler, options, stackCount) : computeFitCategoryTraits(index, ruler, options, stackCount); + const stackIndex = this._getStackIndex(this.index, this._cachedMeta.stack, skipNull ? index : undefined); + center = range.start + range.chunk * stackIndex + range.chunk / 2; + size = Math.min(maxBarThickness, range.chunk * range.ratio); + } else { + center = scale.getPixelForValue(this.getParsed(index)[scale.axis], index); + size = Math.min(maxBarThickness, ruler.min * ruler.ratio); + } + return { + base: center - size / 2, + head: center + size / 2, + center, + size + }; + } + draw() { + const meta = this._cachedMeta; + const vScale = meta.vScale; + const rects = meta.data; + const ilen = rects.length; + let i = 0; + for(; i < ilen; ++i){ + if (this.getParsed(i)[vScale.axis] !== null) { + rects[i].draw(this._ctx); + } + } + } +} + +class BubbleController extends DatasetController { + static id = 'bubble'; + static defaults = { + datasetElementType: false, + dataElementType: 'point', + animations: { + numbers: { + type: 'number', + properties: [ + 'x', + 'y', + 'borderWidth', + 'radius' + ] + } + } + }; + static overrides = { + scales: { + x: { + type: 'linear' + }, + y: { + type: 'linear' + } + } + }; + initialize() { + this.enableOptionSharing = true; + super.initialize(); + } + parsePrimitiveData(meta, data, start, count) { + const parsed = super.parsePrimitiveData(meta, data, start, count); + for(let i = 0; i < parsed.length; i++){ + parsed[i]._custom = this.resolveDataElementOptions(i + start).radius; + } + return parsed; + } + parseArrayData(meta, data, start, count) { + const parsed = super.parseArrayData(meta, data, start, count); + for(let i = 0; i < parsed.length; i++){ + const item = data[start + i]; + parsed[i]._custom = helpers_segment.valueOrDefault(item[2], this.resolveDataElementOptions(i + start).radius); + } + return parsed; + } + parseObjectData(meta, data, start, count) { + const parsed = super.parseObjectData(meta, data, start, count); + for(let i = 0; i < parsed.length; i++){ + const item = data[start + i]; + parsed[i]._custom = helpers_segment.valueOrDefault(item && item.r && +item.r, this.resolveDataElementOptions(i + start).radius); + } + return parsed; + } + getMaxOverflow() { + const data = this._cachedMeta.data; + let max = 0; + for(let i = data.length - 1; i >= 0; --i){ + max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2); + } + return max > 0 && max; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const labels = this.chart.data.labels || []; + const { xScale , yScale } = meta; + const parsed = this.getParsed(index); + const x = xScale.getLabelForValue(parsed.x); + const y = yScale.getLabelForValue(parsed.y); + const r = parsed._custom; + return { + label: labels[index] || '', + value: '(' + x + ', ' + y + (r ? ', ' + r : '') + ')' + }; + } + update(mode) { + const points = this._cachedMeta.data; + this.updateElements(points, 0, points.length, mode); + } + updateElements(points, start, count, mode) { + const reset = mode === 'reset'; + const { iScale , vScale } = this._cachedMeta; + const { sharedOptions , includeOptions } = this._getSharedOptions(start, mode); + const iAxis = iScale.axis; + const vAxis = vScale.axis; + for(let i = start; i < start + count; i++){ + const point = points[i]; + const parsed = !reset && this.getParsed(i); + const properties = {}; + const iPixel = properties[iAxis] = reset ? iScale.getPixelForDecimal(0.5) : iScale.getPixelForValue(parsed[iAxis]); + const vPixel = properties[vAxis] = reset ? vScale.getBasePixel() : vScale.getPixelForValue(parsed[vAxis]); + properties.skip = isNaN(iPixel) || isNaN(vPixel); + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode); + if (reset) { + properties.options.radius = 0; + } + } + this.updateElement(point, i, properties, mode); + } + } + resolveDataElementOptions(index, mode) { + const parsed = this.getParsed(index); + let values = super.resolveDataElementOptions(index, mode); + if (values.$shared) { + values = Object.assign({}, values, { + $shared: false + }); + } + const radius = values.radius; + if (mode !== 'active') { + values.radius = 0; + } + values.radius += helpers_segment.valueOrDefault(parsed && parsed._custom, radius); + return values; + } +} + +function getRatioAndOffset(rotation, circumference, cutout) { + let ratioX = 1; + let ratioY = 1; + let offsetX = 0; + let offsetY = 0; + if (circumference < helpers_segment.TAU) { + const startAngle = rotation; + const endAngle = startAngle + circumference; + const startX = Math.cos(startAngle); + const startY = Math.sin(startAngle); + const endX = Math.cos(endAngle); + const endY = Math.sin(endAngle); + const calcMax = (angle, a, b)=>helpers_segment._angleBetween(angle, startAngle, endAngle, true) ? 1 : Math.max(a, a * cutout, b, b * cutout); + const calcMin = (angle, a, b)=>helpers_segment._angleBetween(angle, startAngle, endAngle, true) ? -1 : Math.min(a, a * cutout, b, b * cutout); + const maxX = calcMax(0, startX, endX); + const maxY = calcMax(helpers_segment.HALF_PI, startY, endY); + const minX = calcMin(helpers_segment.PI, startX, endX); + const minY = calcMin(helpers_segment.PI + helpers_segment.HALF_PI, startY, endY); + ratioX = (maxX - minX) / 2; + ratioY = (maxY - minY) / 2; + offsetX = -(maxX + minX) / 2; + offsetY = -(maxY + minY) / 2; + } + return { + ratioX, + ratioY, + offsetX, + offsetY + }; +} +class DoughnutController extends DatasetController { + static id = 'doughnut'; + static defaults = { + datasetElementType: false, + dataElementType: 'arc', + animation: { + animateRotate: true, + animateScale: false + }, + animations: { + numbers: { + type: 'number', + properties: [ + 'circumference', + 'endAngle', + 'innerRadius', + 'outerRadius', + 'startAngle', + 'x', + 'y', + 'offset', + 'borderWidth', + 'spacing' + ] + } + }, + cutout: '50%', + rotation: 0, + circumference: 360, + radius: '100%', + spacing: 0, + indexAxis: 'r' + }; + static descriptors = { + _scriptable: (name)=>name !== 'spacing', + _indexable: (name)=>name !== 'spacing' && !name.startsWith('borderDash') && !name.startsWith('hoverBorderDash') + }; + static overrides = { + aspectRatio: 1, + plugins: { + legend: { + labels: { + generateLabels (chart) { + const data = chart.data; + if (data.labels.length && data.datasets.length) { + const { labels: { pointStyle , color } } = chart.legend.options; + return data.labels.map((label, i)=>{ + const meta = chart.getDatasetMeta(0); + const style = meta.controller.getStyle(i); + return { + text: label, + fillStyle: style.backgroundColor, + strokeStyle: style.borderColor, + fontColor: color, + lineWidth: style.borderWidth, + pointStyle: pointStyle, + hidden: !chart.getDataVisibility(i), + index: i + }; + }); + } + return []; + } + }, + onClick (e, legendItem, legend) { + legend.chart.toggleDataVisibility(legendItem.index); + legend.chart.update(); + } + } + } + }; + constructor(chart, datasetIndex){ + super(chart, datasetIndex); + this.enableOptionSharing = true; + this.innerRadius = undefined; + this.outerRadius = undefined; + this.offsetX = undefined; + this.offsetY = undefined; + } + linkScales() {} + parse(start, count) { + const data = this.getDataset().data; + const meta = this._cachedMeta; + if (this._parsing === false) { + meta._parsed = data; + } else { + let getter = (i)=>+data[i]; + if (helpers_segment.isObject(data[start])) { + const { key ='value' } = this._parsing; + getter = (i)=>+helpers_segment.resolveObjectKey(data[i], key); + } + let i, ilen; + for(i = start, ilen = start + count; i < ilen; ++i){ + meta._parsed[i] = getter(i); + } + } + } + _getRotation() { + return helpers_segment.toRadians(this.options.rotation - 90); + } + _getCircumference() { + return helpers_segment.toRadians(this.options.circumference); + } + _getRotationExtents() { + let min = helpers_segment.TAU; + let max = -helpers_segment.TAU; + for(let i = 0; i < this.chart.data.datasets.length; ++i){ + if (this.chart.isDatasetVisible(i) && this.chart.getDatasetMeta(i).type === this._type) { + const controller = this.chart.getDatasetMeta(i).controller; + const rotation = controller._getRotation(); + const circumference = controller._getCircumference(); + min = Math.min(min, rotation); + max = Math.max(max, rotation + circumference); + } + } + return { + rotation: min, + circumference: max - min + }; + } + update(mode) { + const chart = this.chart; + const { chartArea } = chart; + const meta = this._cachedMeta; + const arcs = meta.data; + const spacing = this.getMaxBorderWidth() + this.getMaxOffset(arcs) + this.options.spacing; + const maxSize = Math.max((Math.min(chartArea.width, chartArea.height) - spacing) / 2, 0); + const cutout = Math.min(helpers_segment.toPercentage(this.options.cutout, maxSize), 1); + const chartWeight = this._getRingWeight(this.index); + const { circumference , rotation } = this._getRotationExtents(); + const { ratioX , ratioY , offsetX , offsetY } = getRatioAndOffset(rotation, circumference, cutout); + const maxWidth = (chartArea.width - spacing) / ratioX; + const maxHeight = (chartArea.height - spacing) / ratioY; + const maxRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0); + const outerRadius = helpers_segment.toDimension(this.options.radius, maxRadius); + const innerRadius = Math.max(outerRadius * cutout, 0); + const radiusLength = (outerRadius - innerRadius) / this._getVisibleDatasetWeightTotal(); + this.offsetX = offsetX * outerRadius; + this.offsetY = offsetY * outerRadius; + meta.total = this.calculateTotal(); + this.outerRadius = outerRadius - radiusLength * this._getRingWeightOffset(this.index); + this.innerRadius = Math.max(this.outerRadius - radiusLength * chartWeight, 0); + this.updateElements(arcs, 0, arcs.length, mode); + } + _circumference(i, reset) { + const opts = this.options; + const meta = this._cachedMeta; + const circumference = this._getCircumference(); + if (reset && opts.animation.animateRotate || !this.chart.getDataVisibility(i) || meta._parsed[i] === null || meta.data[i].hidden) { + return 0; + } + return this.calculateCircumference(meta._parsed[i] * circumference / helpers_segment.TAU); + } + updateElements(arcs, start, count, mode) { + const reset = mode === 'reset'; + const chart = this.chart; + const chartArea = chart.chartArea; + const opts = chart.options; + const animationOpts = opts.animation; + const centerX = (chartArea.left + chartArea.right) / 2; + const centerY = (chartArea.top + chartArea.bottom) / 2; + const animateScale = reset && animationOpts.animateScale; + const innerRadius = animateScale ? 0 : this.innerRadius; + const outerRadius = animateScale ? 0 : this.outerRadius; + const { sharedOptions , includeOptions } = this._getSharedOptions(start, mode); + let startAngle = this._getRotation(); + let i; + for(i = 0; i < start; ++i){ + startAngle += this._circumference(i, reset); + } + for(i = start; i < start + count; ++i){ + const circumference = this._circumference(i, reset); + const arc = arcs[i]; + const properties = { + x: centerX + this.offsetX, + y: centerY + this.offsetY, + startAngle, + endAngle: startAngle + circumference, + circumference, + outerRadius, + innerRadius + }; + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, arc.active ? 'active' : mode); + } + startAngle += circumference; + this.updateElement(arc, i, properties, mode); + } + } + calculateTotal() { + const meta = this._cachedMeta; + const metaData = meta.data; + let total = 0; + let i; + for(i = 0; i < metaData.length; i++){ + const value = meta._parsed[i]; + if (value !== null && !isNaN(value) && this.chart.getDataVisibility(i) && !metaData[i].hidden) { + total += Math.abs(value); + } + } + return total; + } + calculateCircumference(value) { + const total = this._cachedMeta.total; + if (total > 0 && !isNaN(value)) { + return helpers_segment.TAU * (Math.abs(value) / total); + } + return 0; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const chart = this.chart; + const labels = chart.data.labels || []; + const value = helpers_segment.formatNumber(meta._parsed[index], chart.options.locale); + return { + label: labels[index] || '', + value + }; + } + getMaxBorderWidth(arcs) { + let max = 0; + const chart = this.chart; + let i, ilen, meta, controller, options; + if (!arcs) { + for(i = 0, ilen = chart.data.datasets.length; i < ilen; ++i){ + if (chart.isDatasetVisible(i)) { + meta = chart.getDatasetMeta(i); + arcs = meta.data; + controller = meta.controller; + break; + } + } + } + if (!arcs) { + return 0; + } + for(i = 0, ilen = arcs.length; i < ilen; ++i){ + options = controller.resolveDataElementOptions(i); + if (options.borderAlign !== 'inner') { + max = Math.max(max, options.borderWidth || 0, options.hoverBorderWidth || 0); + } + } + return max; + } + getMaxOffset(arcs) { + let max = 0; + for(let i = 0, ilen = arcs.length; i < ilen; ++i){ + const options = this.resolveDataElementOptions(i); + max = Math.max(max, options.offset || 0, options.hoverOffset || 0); + } + return max; + } + _getRingWeightOffset(datasetIndex) { + let ringWeightOffset = 0; + for(let i = 0; i < datasetIndex; ++i){ + if (this.chart.isDatasetVisible(i)) { + ringWeightOffset += this._getRingWeight(i); + } + } + return ringWeightOffset; + } + _getRingWeight(datasetIndex) { + return Math.max(helpers_segment.valueOrDefault(this.chart.data.datasets[datasetIndex].weight, 1), 0); + } + _getVisibleDatasetWeightTotal() { + return this._getRingWeightOffset(this.chart.data.datasets.length) || 1; + } +} + +class LineController extends DatasetController { + static id = 'line'; + static defaults = { + datasetElementType: 'line', + dataElementType: 'point', + showLine: true, + spanGaps: false + }; + static overrides = { + scales: { + _index_: { + type: 'category' + }, + _value_: { + type: 'linear' + } + } + }; + initialize() { + this.enableOptionSharing = true; + this.supportsDecimation = true; + super.initialize(); + } + update(mode) { + const meta = this._cachedMeta; + const { dataset: line , data: points = [] , _dataset } = meta; + const animationsDisabled = this.chart._animationsDisabled; + let { start , count } = helpers_segment._getStartAndCountOfVisiblePoints(meta, points, animationsDisabled); + this._drawStart = start; + this._drawCount = count; + if (helpers_segment._scaleRangesChanged(meta)) { + start = 0; + count = points.length; + } + line._chart = this.chart; + line._datasetIndex = this.index; + line._decimated = !!_dataset._decimated; + line.points = points; + const options = this.resolveDatasetElementOptions(mode); + if (!this.options.showLine) { + options.borderWidth = 0; + } + options.segment = this.options.segment; + this.updateElement(line, undefined, { + animated: !animationsDisabled, + options + }, mode); + this.updateElements(points, start, count, mode); + } + updateElements(points, start, count, mode) { + const reset = mode === 'reset'; + const { iScale , vScale , _stacked , _dataset } = this._cachedMeta; + const { sharedOptions , includeOptions } = this._getSharedOptions(start, mode); + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const { spanGaps , segment } = this.options; + const maxGapLength = helpers_segment.isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY; + const directUpdate = this.chart._animationsDisabled || reset || mode === 'none'; + const end = start + count; + const pointsCount = points.length; + let prevParsed = start > 0 && this.getParsed(start - 1); + for(let i = 0; i < pointsCount; ++i){ + const point = points[i]; + const properties = directUpdate ? point : {}; + if (i < start || i >= end) { + properties.skip = true; + continue; + } + const parsed = this.getParsed(i); + const nullData = helpers_segment.isNullOrUndef(parsed[vAxis]); + const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i); + const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i); + properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData; + properties.stop = i > 0 && Math.abs(parsed[iAxis] - prevParsed[iAxis]) > maxGapLength; + if (segment) { + properties.parsed = parsed; + properties.raw = _dataset.data[i]; + } + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode); + } + if (!directUpdate) { + this.updateElement(point, i, properties, mode); + } + prevParsed = parsed; + } + } + getMaxOverflow() { + const meta = this._cachedMeta; + const dataset = meta.dataset; + const border = dataset.options && dataset.options.borderWidth || 0; + const data = meta.data || []; + if (!data.length) { + return border; + } + const firstPoint = data[0].size(this.resolveDataElementOptions(0)); + const lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1)); + return Math.max(border, firstPoint, lastPoint) / 2; + } + draw() { + const meta = this._cachedMeta; + meta.dataset.updateControlPoints(this.chart.chartArea, meta.iScale.axis); + super.draw(); + } +} + +class PolarAreaController extends DatasetController { + static id = 'polarArea'; + static defaults = { + dataElementType: 'arc', + animation: { + animateRotate: true, + animateScale: true + }, + animations: { + numbers: { + type: 'number', + properties: [ + 'x', + 'y', + 'startAngle', + 'endAngle', + 'innerRadius', + 'outerRadius' + ] + } + }, + indexAxis: 'r', + startAngle: 0 + }; + static overrides = { + aspectRatio: 1, + plugins: { + legend: { + labels: { + generateLabels (chart) { + const data = chart.data; + if (data.labels.length && data.datasets.length) { + const { labels: { pointStyle , color } } = chart.legend.options; + return data.labels.map((label, i)=>{ + const meta = chart.getDatasetMeta(0); + const style = meta.controller.getStyle(i); + return { + text: label, + fillStyle: style.backgroundColor, + strokeStyle: style.borderColor, + fontColor: color, + lineWidth: style.borderWidth, + pointStyle: pointStyle, + hidden: !chart.getDataVisibility(i), + index: i + }; + }); + } + return []; + } + }, + onClick (e, legendItem, legend) { + legend.chart.toggleDataVisibility(legendItem.index); + legend.chart.update(); + } + } + }, + scales: { + r: { + type: 'radialLinear', + angleLines: { + display: false + }, + beginAtZero: true, + grid: { + circular: true + }, + pointLabels: { + display: false + }, + startAngle: 0 + } + } + }; + constructor(chart, datasetIndex){ + super(chart, datasetIndex); + this.innerRadius = undefined; + this.outerRadius = undefined; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const chart = this.chart; + const labels = chart.data.labels || []; + const value = helpers_segment.formatNumber(meta._parsed[index].r, chart.options.locale); + return { + label: labels[index] || '', + value + }; + } + parseObjectData(meta, data, start, count) { + return helpers_segment._parseObjectDataRadialScale.bind(this)(meta, data, start, count); + } + update(mode) { + const arcs = this._cachedMeta.data; + this._updateRadius(); + this.updateElements(arcs, 0, arcs.length, mode); + } + getMinMax() { + const meta = this._cachedMeta; + const range = { + min: Number.POSITIVE_INFINITY, + max: Number.NEGATIVE_INFINITY + }; + meta.data.forEach((element, index)=>{ + const parsed = this.getParsed(index).r; + if (!isNaN(parsed) && this.chart.getDataVisibility(index)) { + if (parsed < range.min) { + range.min = parsed; + } + if (parsed > range.max) { + range.max = parsed; + } + } + }); + return range; + } + _updateRadius() { + const chart = this.chart; + const chartArea = chart.chartArea; + const opts = chart.options; + const minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); + const outerRadius = Math.max(minSize / 2, 0); + const innerRadius = Math.max(opts.cutoutPercentage ? outerRadius / 100 * opts.cutoutPercentage : 1, 0); + const radiusLength = (outerRadius - innerRadius) / chart.getVisibleDatasetCount(); + this.outerRadius = outerRadius - radiusLength * this.index; + this.innerRadius = this.outerRadius - radiusLength; + } + updateElements(arcs, start, count, mode) { + const reset = mode === 'reset'; + const chart = this.chart; + const opts = chart.options; + const animationOpts = opts.animation; + const scale = this._cachedMeta.rScale; + const centerX = scale.xCenter; + const centerY = scale.yCenter; + const datasetStartAngle = scale.getIndexAngle(0) - 0.5 * helpers_segment.PI; + let angle = datasetStartAngle; + let i; + const defaultAngle = 360 / this.countVisibleElements(); + for(i = 0; i < start; ++i){ + angle += this._computeAngle(i, mode, defaultAngle); + } + for(i = start; i < start + count; i++){ + const arc = arcs[i]; + let startAngle = angle; + let endAngle = angle + this._computeAngle(i, mode, defaultAngle); + let outerRadius = chart.getDataVisibility(i) ? scale.getDistanceFromCenterForValue(this.getParsed(i).r) : 0; + angle = endAngle; + if (reset) { + if (animationOpts.animateScale) { + outerRadius = 0; + } + if (animationOpts.animateRotate) { + startAngle = endAngle = datasetStartAngle; + } + } + const properties = { + x: centerX, + y: centerY, + innerRadius: 0, + outerRadius, + startAngle, + endAngle, + options: this.resolveDataElementOptions(i, arc.active ? 'active' : mode) + }; + this.updateElement(arc, i, properties, mode); + } + } + countVisibleElements() { + const meta = this._cachedMeta; + let count = 0; + meta.data.forEach((element, index)=>{ + if (!isNaN(this.getParsed(index).r) && this.chart.getDataVisibility(index)) { + count++; + } + }); + return count; + } + _computeAngle(index, mode, defaultAngle) { + return this.chart.getDataVisibility(index) ? helpers_segment.toRadians(this.resolveDataElementOptions(index, mode).angle || defaultAngle) : 0; + } +} + +class PieController extends DoughnutController { + static id = 'pie'; + static defaults = { + cutout: 0, + rotation: 0, + circumference: 360, + radius: '100%' + }; +} + +class RadarController extends DatasetController { + static id = 'radar'; + static defaults = { + datasetElementType: 'line', + dataElementType: 'point', + indexAxis: 'r', + showLine: true, + elements: { + line: { + fill: 'start' + } + } + }; + static overrides = { + aspectRatio: 1, + scales: { + r: { + type: 'radialLinear' + } + } + }; + getLabelAndValue(index) { + const vScale = this._cachedMeta.vScale; + const parsed = this.getParsed(index); + return { + label: vScale.getLabels()[index], + value: '' + vScale.getLabelForValue(parsed[vScale.axis]) + }; + } + parseObjectData(meta, data, start, count) { + return helpers_segment._parseObjectDataRadialScale.bind(this)(meta, data, start, count); + } + update(mode) { + const meta = this._cachedMeta; + const line = meta.dataset; + const points = meta.data || []; + const labels = meta.iScale.getLabels(); + line.points = points; + if (mode !== 'resize') { + const options = this.resolveDatasetElementOptions(mode); + if (!this.options.showLine) { + options.borderWidth = 0; + } + const properties = { + _loop: true, + _fullLoop: labels.length === points.length, + options + }; + this.updateElement(line, undefined, properties, mode); + } + this.updateElements(points, 0, points.length, mode); + } + updateElements(points, start, count, mode) { + const scale = this._cachedMeta.rScale; + const reset = mode === 'reset'; + for(let i = start; i < start + count; i++){ + const point = points[i]; + const options = this.resolveDataElementOptions(i, point.active ? 'active' : mode); + const pointPosition = scale.getPointPositionForValue(i, this.getParsed(i).r); + const x = reset ? scale.xCenter : pointPosition.x; + const y = reset ? scale.yCenter : pointPosition.y; + const properties = { + x, + y, + angle: pointPosition.angle, + skip: isNaN(x) || isNaN(y), + options + }; + this.updateElement(point, i, properties, mode); + } + } +} + +class ScatterController extends DatasetController { + static id = 'scatter'; + static defaults = { + datasetElementType: false, + dataElementType: 'point', + showLine: false, + fill: false + }; + static overrides = { + interaction: { + mode: 'point' + }, + scales: { + x: { + type: 'linear' + }, + y: { + type: 'linear' + } + } + }; + getLabelAndValue(index) { + const meta = this._cachedMeta; + const labels = this.chart.data.labels || []; + const { xScale , yScale } = meta; + const parsed = this.getParsed(index); + const x = xScale.getLabelForValue(parsed.x); + const y = yScale.getLabelForValue(parsed.y); + return { + label: labels[index] || '', + value: '(' + x + ', ' + y + ')' + }; + } + update(mode) { + const meta = this._cachedMeta; + const { data: points = [] } = meta; + const animationsDisabled = this.chart._animationsDisabled; + let { start , count } = helpers_segment._getStartAndCountOfVisiblePoints(meta, points, animationsDisabled); + this._drawStart = start; + this._drawCount = count; + if (helpers_segment._scaleRangesChanged(meta)) { + start = 0; + count = points.length; + } + if (this.options.showLine) { + if (!this.datasetElementType) { + this.addElements(); + } + const { dataset: line , _dataset } = meta; + line._chart = this.chart; + line._datasetIndex = this.index; + line._decimated = !!_dataset._decimated; + line.points = points; + const options = this.resolveDatasetElementOptions(mode); + options.segment = this.options.segment; + this.updateElement(line, undefined, { + animated: !animationsDisabled, + options + }, mode); + } else if (this.datasetElementType) { + delete meta.dataset; + this.datasetElementType = false; + } + this.updateElements(points, start, count, mode); + } + addElements() { + const { showLine } = this.options; + if (!this.datasetElementType && showLine) { + this.datasetElementType = this.chart.registry.getElement('line'); + } + super.addElements(); + } + updateElements(points, start, count, mode) { + const reset = mode === 'reset'; + const { iScale , vScale , _stacked , _dataset } = this._cachedMeta; + const firstOpts = this.resolveDataElementOptions(start, mode); + const sharedOptions = this.getSharedOptions(firstOpts); + const includeOptions = this.includeOptions(mode, sharedOptions); + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const { spanGaps , segment } = this.options; + const maxGapLength = helpers_segment.isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY; + const directUpdate = this.chart._animationsDisabled || reset || mode === 'none'; + let prevParsed = start > 0 && this.getParsed(start - 1); + for(let i = start; i < start + count; ++i){ + const point = points[i]; + const parsed = this.getParsed(i); + const properties = directUpdate ? point : {}; + const nullData = helpers_segment.isNullOrUndef(parsed[vAxis]); + const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i); + const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i); + properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData; + properties.stop = i > 0 && Math.abs(parsed[iAxis] - prevParsed[iAxis]) > maxGapLength; + if (segment) { + properties.parsed = parsed; + properties.raw = _dataset.data[i]; + } + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode); + } + if (!directUpdate) { + this.updateElement(point, i, properties, mode); + } + prevParsed = parsed; + } + this.updateSharedOptions(sharedOptions, mode, firstOpts); + } + getMaxOverflow() { + const meta = this._cachedMeta; + const data = meta.data || []; + if (!this.options.showLine) { + let max = 0; + for(let i = data.length - 1; i >= 0; --i){ + max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2); + } + return max > 0 && max; + } + const dataset = meta.dataset; + const border = dataset.options && dataset.options.borderWidth || 0; + if (!data.length) { + return border; + } + const firstPoint = data[0].size(this.resolveDataElementOptions(0)); + const lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1)); + return Math.max(border, firstPoint, lastPoint) / 2; + } +} + +var controllers = /*#__PURE__*/Object.freeze({ +__proto__: null, +BarController: BarController, +BubbleController: BubbleController, +DoughnutController: DoughnutController, +LineController: LineController, +PieController: PieController, +PolarAreaController: PolarAreaController, +RadarController: RadarController, +ScatterController: ScatterController +}); + +/** + * @namespace Chart._adapters + * @since 2.8.0 + * @private + */ function abstract() { + throw new Error('This method is not implemented: Check that a complete date adapter is provided.'); +} +/** + * Date adapter (current used by the time scale) + * @namespace Chart._adapters._date + * @memberof Chart._adapters + * @private + */ class DateAdapterBase { + /** + * Override default date adapter methods. + * Accepts type parameter to define options type. + * @example + * Chart._adapters._date.override<{myAdapterOption: string}>({ + * init() { + * console.log(this.options.myAdapterOption); + * } + * }) + */ static override(members) { + Object.assign(DateAdapterBase.prototype, members); + } + options; + constructor(options){ + this.options = options || {}; + } + // eslint-disable-next-line @typescript-eslint/no-empty-function + init() {} + formats() { + return abstract(); + } + parse() { + return abstract(); + } + format() { + return abstract(); + } + add() { + return abstract(); + } + diff() { + return abstract(); + } + startOf() { + return abstract(); + } + endOf() { + return abstract(); + } +} +var adapters = { + _date: DateAdapterBase +}; + +function binarySearch(metaset, axis, value, intersect) { + const { controller , data , _sorted } = metaset; + const iScale = controller._cachedMeta.iScale; + if (iScale && axis === iScale.axis && axis !== 'r' && _sorted && data.length) { + const lookupMethod = iScale._reversePixels ? helpers_segment._rlookupByKey : helpers_segment._lookupByKey; + if (!intersect) { + return lookupMethod(data, axis, value); + } else if (controller._sharedOptions) { + const el = data[0]; + const range = typeof el.getRange === 'function' && el.getRange(axis); + if (range) { + const start = lookupMethod(data, axis, value - range); + const end = lookupMethod(data, axis, value + range); + return { + lo: start.lo, + hi: end.hi + }; + } + } + } + return { + lo: 0, + hi: data.length - 1 + }; +} + function evaluateInteractionItems(chart, axis, position, handler, intersect) { + const metasets = chart.getSortedVisibleDatasetMetas(); + const value = position[axis]; + for(let i = 0, ilen = metasets.length; i < ilen; ++i){ + const { index , data } = metasets[i]; + const { lo , hi } = binarySearch(metasets[i], axis, value, intersect); + for(let j = lo; j <= hi; ++j){ + const element = data[j]; + if (!element.skip) { + handler(element, index, j); + } + } + } +} + function getDistanceMetricForAxis(axis) { + const useX = axis.indexOf('x') !== -1; + const useY = axis.indexOf('y') !== -1; + return function(pt1, pt2) { + const deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; + const deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; + return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); + }; +} + function getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) { + const items = []; + if (!includeInvisible && !chart.isPointInArea(position)) { + return items; + } + const evaluationFunc = function(element, datasetIndex, index) { + if (!includeInvisible && !helpers_segment._isPointInArea(element, chart.chartArea, 0)) { + return; + } + if (element.inRange(position.x, position.y, useFinalPosition)) { + items.push({ + element, + datasetIndex, + index + }); + } + }; + evaluateInteractionItems(chart, axis, position, evaluationFunc, true); + return items; +} + function getNearestRadialItems(chart, position, axis, useFinalPosition) { + let items = []; + function evaluationFunc(element, datasetIndex, index) { + const { startAngle , endAngle } = element.getProps([ + 'startAngle', + 'endAngle' + ], useFinalPosition); + const { angle } = helpers_segment.getAngleFromPoint(element, { + x: position.x, + y: position.y + }); + if (helpers_segment._angleBetween(angle, startAngle, endAngle)) { + items.push({ + element, + datasetIndex, + index + }); + } + } + evaluateInteractionItems(chart, axis, position, evaluationFunc); + return items; +} + function getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition, includeInvisible) { + let items = []; + const distanceMetric = getDistanceMetricForAxis(axis); + let minDistance = Number.POSITIVE_INFINITY; + function evaluationFunc(element, datasetIndex, index) { + const inRange = element.inRange(position.x, position.y, useFinalPosition); + if (intersect && !inRange) { + return; + } + const center = element.getCenterPoint(useFinalPosition); + const pointInArea = !!includeInvisible || chart.isPointInArea(center); + if (!pointInArea && !inRange) { + return; + } + const distance = distanceMetric(position, center); + if (distance < minDistance) { + items = [ + { + element, + datasetIndex, + index + } + ]; + minDistance = distance; + } else if (distance === minDistance) { + items.push({ + element, + datasetIndex, + index + }); + } + } + evaluateInteractionItems(chart, axis, position, evaluationFunc); + return items; +} + function getNearestItems(chart, position, axis, intersect, useFinalPosition, includeInvisible) { + if (!includeInvisible && !chart.isPointInArea(position)) { + return []; + } + return axis === 'r' && !intersect ? getNearestRadialItems(chart, position, axis, useFinalPosition) : getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition, includeInvisible); +} + function getAxisItems(chart, position, axis, intersect, useFinalPosition) { + const items = []; + const rangeMethod = axis === 'x' ? 'inXRange' : 'inYRange'; + let intersectsItem = false; + evaluateInteractionItems(chart, axis, position, (element, datasetIndex, index)=>{ + if (element[rangeMethod](position[axis], useFinalPosition)) { + items.push({ + element, + datasetIndex, + index + }); + intersectsItem = intersectsItem || element.inRange(position.x, position.y, useFinalPosition); + } + }); + if (intersect && !intersectsItem) { + return []; + } + return items; +} + var Interaction = { + evaluateInteractionItems, + modes: { + index (chart, e, options, useFinalPosition) { + const position = helpers_segment.getRelativePosition(e, chart); + const axis = options.axis || 'x'; + const includeInvisible = options.includeInvisible || false; + const items = options.intersect ? getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) : getNearestItems(chart, position, axis, false, useFinalPosition, includeInvisible); + const elements = []; + if (!items.length) { + return []; + } + chart.getSortedVisibleDatasetMetas().forEach((meta)=>{ + const index = items[0].index; + const element = meta.data[index]; + if (element && !element.skip) { + elements.push({ + element, + datasetIndex: meta.index, + index + }); + } + }); + return elements; + }, + dataset (chart, e, options, useFinalPosition) { + const position = helpers_segment.getRelativePosition(e, chart); + const axis = options.axis || 'xy'; + const includeInvisible = options.includeInvisible || false; + let items = options.intersect ? getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) : getNearestItems(chart, position, axis, false, useFinalPosition, includeInvisible); + if (items.length > 0) { + const datasetIndex = items[0].datasetIndex; + const data = chart.getDatasetMeta(datasetIndex).data; + items = []; + for(let i = 0; i < data.length; ++i){ + items.push({ + element: data[i], + datasetIndex, + index: i + }); + } + } + return items; + }, + point (chart, e, options, useFinalPosition) { + const position = helpers_segment.getRelativePosition(e, chart); + const axis = options.axis || 'xy'; + const includeInvisible = options.includeInvisible || false; + return getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible); + }, + nearest (chart, e, options, useFinalPosition) { + const position = helpers_segment.getRelativePosition(e, chart); + const axis = options.axis || 'xy'; + const includeInvisible = options.includeInvisible || false; + return getNearestItems(chart, position, axis, options.intersect, useFinalPosition, includeInvisible); + }, + x (chart, e, options, useFinalPosition) { + const position = helpers_segment.getRelativePosition(e, chart); + return getAxisItems(chart, position, 'x', options.intersect, useFinalPosition); + }, + y (chart, e, options, useFinalPosition) { + const position = helpers_segment.getRelativePosition(e, chart); + return getAxisItems(chart, position, 'y', options.intersect, useFinalPosition); + } + } +}; + +const STATIC_POSITIONS = [ + 'left', + 'top', + 'right', + 'bottom' +]; +function filterByPosition(array, position) { + return array.filter((v)=>v.pos === position); +} +function filterDynamicPositionByAxis(array, axis) { + return array.filter((v)=>STATIC_POSITIONS.indexOf(v.pos) === -1 && v.box.axis === axis); +} +function sortByWeight(array, reverse) { + return array.sort((a, b)=>{ + const v0 = reverse ? b : a; + const v1 = reverse ? a : b; + return v0.weight === v1.weight ? v0.index - v1.index : v0.weight - v1.weight; + }); +} +function wrapBoxes(boxes) { + const layoutBoxes = []; + let i, ilen, box, pos, stack, stackWeight; + for(i = 0, ilen = (boxes || []).length; i < ilen; ++i){ + box = boxes[i]; + ({ position: pos , options: { stack , stackWeight =1 } } = box); + layoutBoxes.push({ + index: i, + box, + pos, + horizontal: box.isHorizontal(), + weight: box.weight, + stack: stack && pos + stack, + stackWeight + }); + } + return layoutBoxes; +} +function buildStacks(layouts) { + const stacks = {}; + for (const wrap of layouts){ + const { stack , pos , stackWeight } = wrap; + if (!stack || !STATIC_POSITIONS.includes(pos)) { + continue; + } + const _stack = stacks[stack] || (stacks[stack] = { + count: 0, + placed: 0, + weight: 0, + size: 0 + }); + _stack.count++; + _stack.weight += stackWeight; + } + return stacks; +} + function setLayoutDims(layouts, params) { + const stacks = buildStacks(layouts); + const { vBoxMaxWidth , hBoxMaxHeight } = params; + let i, ilen, layout; + for(i = 0, ilen = layouts.length; i < ilen; ++i){ + layout = layouts[i]; + const { fullSize } = layout.box; + const stack = stacks[layout.stack]; + const factor = stack && layout.stackWeight / stack.weight; + if (layout.horizontal) { + layout.width = factor ? factor * vBoxMaxWidth : fullSize && params.availableWidth; + layout.height = hBoxMaxHeight; + } else { + layout.width = vBoxMaxWidth; + layout.height = factor ? factor * hBoxMaxHeight : fullSize && params.availableHeight; + } + } + return stacks; +} +function buildLayoutBoxes(boxes) { + const layoutBoxes = wrapBoxes(boxes); + const fullSize = sortByWeight(layoutBoxes.filter((wrap)=>wrap.box.fullSize), true); + const left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true); + const right = sortByWeight(filterByPosition(layoutBoxes, 'right')); + const top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true); + const bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom')); + const centerHorizontal = filterDynamicPositionByAxis(layoutBoxes, 'x'); + const centerVertical = filterDynamicPositionByAxis(layoutBoxes, 'y'); + return { + fullSize, + leftAndTop: left.concat(top), + rightAndBottom: right.concat(centerVertical).concat(bottom).concat(centerHorizontal), + chartArea: filterByPosition(layoutBoxes, 'chartArea'), + vertical: left.concat(right).concat(centerVertical), + horizontal: top.concat(bottom).concat(centerHorizontal) + }; +} +function getCombinedMax(maxPadding, chartArea, a, b) { + return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]); +} +function updateMaxPadding(maxPadding, boxPadding) { + maxPadding.top = Math.max(maxPadding.top, boxPadding.top); + maxPadding.left = Math.max(maxPadding.left, boxPadding.left); + maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom); + maxPadding.right = Math.max(maxPadding.right, boxPadding.right); +} +function updateDims(chartArea, params, layout, stacks) { + const { pos , box } = layout; + const maxPadding = chartArea.maxPadding; + if (!helpers_segment.isObject(pos)) { + if (layout.size) { + chartArea[pos] -= layout.size; + } + const stack = stacks[layout.stack] || { + size: 0, + count: 1 + }; + stack.size = Math.max(stack.size, layout.horizontal ? box.height : box.width); + layout.size = stack.size / stack.count; + chartArea[pos] += layout.size; + } + if (box.getPadding) { + updateMaxPadding(maxPadding, box.getPadding()); + } + const newWidth = Math.max(0, params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right')); + const newHeight = Math.max(0, params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom')); + const widthChanged = newWidth !== chartArea.w; + const heightChanged = newHeight !== chartArea.h; + chartArea.w = newWidth; + chartArea.h = newHeight; + return layout.horizontal ? { + same: widthChanged, + other: heightChanged + } : { + same: heightChanged, + other: widthChanged + }; +} +function handleMaxPadding(chartArea) { + const maxPadding = chartArea.maxPadding; + function updatePos(pos) { + const change = Math.max(maxPadding[pos] - chartArea[pos], 0); + chartArea[pos] += change; + return change; + } + chartArea.y += updatePos('top'); + chartArea.x += updatePos('left'); + updatePos('right'); + updatePos('bottom'); +} +function getMargins(horizontal, chartArea) { + const maxPadding = chartArea.maxPadding; + function marginForPositions(positions) { + const margin = { + left: 0, + top: 0, + right: 0, + bottom: 0 + }; + positions.forEach((pos)=>{ + margin[pos] = Math.max(chartArea[pos], maxPadding[pos]); + }); + return margin; + } + return horizontal ? marginForPositions([ + 'left', + 'right' + ]) : marginForPositions([ + 'top', + 'bottom' + ]); +} +function fitBoxes(boxes, chartArea, params, stacks) { + const refitBoxes = []; + let i, ilen, layout, box, refit, changed; + for(i = 0, ilen = boxes.length, refit = 0; i < ilen; ++i){ + layout = boxes[i]; + box = layout.box; + box.update(layout.width || chartArea.w, layout.height || chartArea.h, getMargins(layout.horizontal, chartArea)); + const { same , other } = updateDims(chartArea, params, layout, stacks); + refit |= same && refitBoxes.length; + changed = changed || other; + if (!box.fullSize) { + refitBoxes.push(layout); + } + } + return refit && fitBoxes(refitBoxes, chartArea, params, stacks) || changed; +} +function setBoxDims(box, left, top, width, height) { + box.top = top; + box.left = left; + box.right = left + width; + box.bottom = top + height; + box.width = width; + box.height = height; +} +function placeBoxes(boxes, chartArea, params, stacks) { + const userPadding = params.padding; + let { x , y } = chartArea; + for (const layout of boxes){ + const box = layout.box; + const stack = stacks[layout.stack] || { + count: 1, + placed: 0, + weight: 1 + }; + const weight = layout.stackWeight / stack.weight || 1; + if (layout.horizontal) { + const width = chartArea.w * weight; + const height = stack.size || box.height; + if (helpers_segment.defined(stack.start)) { + y = stack.start; + } + if (box.fullSize) { + setBoxDims(box, userPadding.left, y, params.outerWidth - userPadding.right - userPadding.left, height); + } else { + setBoxDims(box, chartArea.left + stack.placed, y, width, height); + } + stack.start = y; + stack.placed += width; + y = box.bottom; + } else { + const height = chartArea.h * weight; + const width = stack.size || box.width; + if (helpers_segment.defined(stack.start)) { + x = stack.start; + } + if (box.fullSize) { + setBoxDims(box, x, userPadding.top, width, params.outerHeight - userPadding.bottom - userPadding.top); + } else { + setBoxDims(box, x, chartArea.top + stack.placed, width, height); + } + stack.start = x; + stack.placed += height; + x = box.right; + } + } + chartArea.x = x; + chartArea.y = y; +} +var layouts = { + addBox (chart, item) { + if (!chart.boxes) { + chart.boxes = []; + } + item.fullSize = item.fullSize || false; + item.position = item.position || 'top'; + item.weight = item.weight || 0; + item._layers = item._layers || function() { + return [ + { + z: 0, + draw (chartArea) { + item.draw(chartArea); + } + } + ]; + }; + chart.boxes.push(item); + }, + removeBox (chart, layoutItem) { + const index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; + if (index !== -1) { + chart.boxes.splice(index, 1); + } + }, + configure (chart, item, options) { + item.fullSize = options.fullSize; + item.position = options.position; + item.weight = options.weight; + }, + update (chart, width, height, minPadding) { + if (!chart) { + return; + } + const padding = helpers_segment.toPadding(chart.options.layout.padding); + const availableWidth = Math.max(width - padding.width, 0); + const availableHeight = Math.max(height - padding.height, 0); + const boxes = buildLayoutBoxes(chart.boxes); + const verticalBoxes = boxes.vertical; + const horizontalBoxes = boxes.horizontal; + helpers_segment.each(chart.boxes, (box)=>{ + if (typeof box.beforeLayout === 'function') { + box.beforeLayout(); + } + }); + const visibleVerticalBoxCount = verticalBoxes.reduce((total, wrap)=>wrap.box.options && wrap.box.options.display === false ? total : total + 1, 0) || 1; + const params = Object.freeze({ + outerWidth: width, + outerHeight: height, + padding, + availableWidth, + availableHeight, + vBoxMaxWidth: availableWidth / 2 / visibleVerticalBoxCount, + hBoxMaxHeight: availableHeight / 2 + }); + const maxPadding = Object.assign({}, padding); + updateMaxPadding(maxPadding, helpers_segment.toPadding(minPadding)); + const chartArea = Object.assign({ + maxPadding, + w: availableWidth, + h: availableHeight, + x: padding.left, + y: padding.top + }, padding); + const stacks = setLayoutDims(verticalBoxes.concat(horizontalBoxes), params); + fitBoxes(boxes.fullSize, chartArea, params, stacks); + fitBoxes(verticalBoxes, chartArea, params, stacks); + if (fitBoxes(horizontalBoxes, chartArea, params, stacks)) { + fitBoxes(verticalBoxes, chartArea, params, stacks); + } + handleMaxPadding(chartArea); + placeBoxes(boxes.leftAndTop, chartArea, params, stacks); + chartArea.x += chartArea.w; + chartArea.y += chartArea.h; + placeBoxes(boxes.rightAndBottom, chartArea, params, stacks); + chart.chartArea = { + left: chartArea.left, + top: chartArea.top, + right: chartArea.left + chartArea.w, + bottom: chartArea.top + chartArea.h, + height: chartArea.h, + width: chartArea.w + }; + helpers_segment.each(boxes.chartArea, (layout)=>{ + const box = layout.box; + Object.assign(box, chart.chartArea); + box.update(chartArea.w, chartArea.h, { + left: 0, + top: 0, + right: 0, + bottom: 0 + }); + }); + } +}; + +class BasePlatform { + acquireContext(canvas, aspectRatio) {} + releaseContext(context) { + return false; + } + addEventListener(chart, type, listener) {} + removeEventListener(chart, type, listener) {} + getDevicePixelRatio() { + return 1; + } + getMaximumSize(element, width, height, aspectRatio) { + width = Math.max(0, width || element.width); + height = height || element.height; + return { + width, + height: Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height) + }; + } + isAttached(canvas) { + return true; + } + updateConfig(config) { + } +} + +class BasicPlatform extends BasePlatform { + acquireContext(item) { + return item && item.getContext && item.getContext('2d') || null; + } + updateConfig(config) { + config.options.animation = false; + } +} + +const EXPANDO_KEY = '$chartjs'; + const EVENT_TYPES = { + touchstart: 'mousedown', + touchmove: 'mousemove', + touchend: 'mouseup', + pointerenter: 'mouseenter', + pointerdown: 'mousedown', + pointermove: 'mousemove', + pointerup: 'mouseup', + pointerleave: 'mouseout', + pointerout: 'mouseout' +}; +const isNullOrEmpty = (value)=>value === null || value === ''; + function initCanvas(canvas, aspectRatio) { + const style = canvas.style; + const renderHeight = canvas.getAttribute('height'); + const renderWidth = canvas.getAttribute('width'); + canvas[EXPANDO_KEY] = { + initial: { + height: renderHeight, + width: renderWidth, + style: { + display: style.display, + height: style.height, + width: style.width + } + } + }; + style.display = style.display || 'block'; + style.boxSizing = style.boxSizing || 'border-box'; + if (isNullOrEmpty(renderWidth)) { + const displayWidth = helpers_segment.readUsedSize(canvas, 'width'); + if (displayWidth !== undefined) { + canvas.width = displayWidth; + } + } + if (isNullOrEmpty(renderHeight)) { + if (canvas.style.height === '') { + canvas.height = canvas.width / (aspectRatio || 2); + } else { + const displayHeight = helpers_segment.readUsedSize(canvas, 'height'); + if (displayHeight !== undefined) { + canvas.height = displayHeight; + } + } + } + return canvas; +} +const eventListenerOptions = helpers_segment.supportsEventListenerOptions ? { + passive: true +} : false; +function addListener(node, type, listener) { + node.addEventListener(type, listener, eventListenerOptions); +} +function removeListener(chart, type, listener) { + chart.canvas.removeEventListener(type, listener, eventListenerOptions); +} +function fromNativeEvent(event, chart) { + const type = EVENT_TYPES[event.type] || event.type; + const { x , y } = helpers_segment.getRelativePosition(event, chart); + return { + type, + chart, + native: event, + x: x !== undefined ? x : null, + y: y !== undefined ? y : null + }; +} +function nodeListContains(nodeList, canvas) { + for (const node of nodeList){ + if (node === canvas || node.contains(canvas)) { + return true; + } + } +} +function createAttachObserver(chart, type, listener) { + const canvas = chart.canvas; + const observer = new MutationObserver((entries)=>{ + let trigger = false; + for (const entry of entries){ + trigger = trigger || nodeListContains(entry.addedNodes, canvas); + trigger = trigger && !nodeListContains(entry.removedNodes, canvas); + } + if (trigger) { + listener(); + } + }); + observer.observe(document, { + childList: true, + subtree: true + }); + return observer; +} +function createDetachObserver(chart, type, listener) { + const canvas = chart.canvas; + const observer = new MutationObserver((entries)=>{ + let trigger = false; + for (const entry of entries){ + trigger = trigger || nodeListContains(entry.removedNodes, canvas); + trigger = trigger && !nodeListContains(entry.addedNodes, canvas); + } + if (trigger) { + listener(); + } + }); + observer.observe(document, { + childList: true, + subtree: true + }); + return observer; +} +const drpListeningCharts = new Map(); +let oldDevicePixelRatio = 0; +function onWindowResize() { + const dpr = window.devicePixelRatio; + if (dpr === oldDevicePixelRatio) { + return; + } + oldDevicePixelRatio = dpr; + drpListeningCharts.forEach((resize, chart)=>{ + if (chart.currentDevicePixelRatio !== dpr) { + resize(); + } + }); +} +function listenDevicePixelRatioChanges(chart, resize) { + if (!drpListeningCharts.size) { + window.addEventListener('resize', onWindowResize); + } + drpListeningCharts.set(chart, resize); +} +function unlistenDevicePixelRatioChanges(chart) { + drpListeningCharts.delete(chart); + if (!drpListeningCharts.size) { + window.removeEventListener('resize', onWindowResize); + } +} +function createResizeObserver(chart, type, listener) { + const canvas = chart.canvas; + const container = canvas && helpers_segment._getParentNode(canvas); + if (!container) { + return; + } + const resize = helpers_segment.throttled((width, height)=>{ + const w = container.clientWidth; + listener(width, height); + if (w < container.clientWidth) { + listener(); + } + }, window); + const observer = new ResizeObserver((entries)=>{ + const entry = entries[0]; + const width = entry.contentRect.width; + const height = entry.contentRect.height; + if (width === 0 && height === 0) { + return; + } + resize(width, height); + }); + observer.observe(container); + listenDevicePixelRatioChanges(chart, resize); + return observer; +} +function releaseObserver(chart, type, observer) { + if (observer) { + observer.disconnect(); + } + if (type === 'resize') { + unlistenDevicePixelRatioChanges(chart); + } +} +function createProxyAndListen(chart, type, listener) { + const canvas = chart.canvas; + const proxy = helpers_segment.throttled((event)=>{ + if (chart.ctx !== null) { + listener(fromNativeEvent(event, chart)); + } + }, chart); + addListener(canvas, type, proxy); + return proxy; +} + class DomPlatform extends BasePlatform { + acquireContext(canvas, aspectRatio) { + const context = canvas && canvas.getContext && canvas.getContext('2d'); + if (context && context.canvas === canvas) { + initCanvas(canvas, aspectRatio); + return context; + } + return null; + } + releaseContext(context) { + const canvas = context.canvas; + if (!canvas[EXPANDO_KEY]) { + return false; + } + const initial = canvas[EXPANDO_KEY].initial; + [ + 'height', + 'width' + ].forEach((prop)=>{ + const value = initial[prop]; + if (helpers_segment.isNullOrUndef(value)) { + canvas.removeAttribute(prop); + } else { + canvas.setAttribute(prop, value); + } + }); + const style = initial.style || {}; + Object.keys(style).forEach((key)=>{ + canvas.style[key] = style[key]; + }); + canvas.width = canvas.width; + delete canvas[EXPANDO_KEY]; + return true; + } + addEventListener(chart, type, listener) { + this.removeEventListener(chart, type); + const proxies = chart.$proxies || (chart.$proxies = {}); + const handlers = { + attach: createAttachObserver, + detach: createDetachObserver, + resize: createResizeObserver + }; + const handler = handlers[type] || createProxyAndListen; + proxies[type] = handler(chart, type, listener); + } + removeEventListener(chart, type) { + const proxies = chart.$proxies || (chart.$proxies = {}); + const proxy = proxies[type]; + if (!proxy) { + return; + } + const handlers = { + attach: releaseObserver, + detach: releaseObserver, + resize: releaseObserver + }; + const handler = handlers[type] || removeListener; + handler(chart, type, proxy); + proxies[type] = undefined; + } + getDevicePixelRatio() { + return window.devicePixelRatio; + } + getMaximumSize(canvas, width, height, aspectRatio) { + return helpers_segment.getMaximumSize(canvas, width, height, aspectRatio); + } + isAttached(canvas) { + const container = helpers_segment._getParentNode(canvas); + return !!(container && container.isConnected); + } +} + +function _detectPlatform(canvas) { + if (!helpers_segment._isDomSupported() || typeof OffscreenCanvas !== 'undefined' && canvas instanceof OffscreenCanvas) { + return BasicPlatform; + } + return DomPlatform; +} + +class Element { + static defaults = {}; + static defaultRoutes = undefined; + x; + y; + active = false; + options; + $animations; + tooltipPosition(useFinalPosition) { + const { x , y } = this.getProps([ + 'x', + 'y' + ], useFinalPosition); + return { + x, + y + }; + } + hasValue() { + return helpers_segment.isNumber(this.x) && helpers_segment.isNumber(this.y); + } + getProps(props, final) { + const anims = this.$animations; + if (!final || !anims) { + // let's not create an object, if not needed + return this; + } + const ret = {}; + props.forEach((prop)=>{ + ret[prop] = anims[prop] && anims[prop].active() ? anims[prop]._to : this[prop]; + }); + return ret; + } +} + +function autoSkip(scale, ticks) { + const tickOpts = scale.options.ticks; + const determinedMaxTicks = determineMaxTicks(scale); + const ticksLimit = Math.min(tickOpts.maxTicksLimit || determinedMaxTicks, determinedMaxTicks); + const majorIndices = tickOpts.major.enabled ? getMajorIndices(ticks) : []; + const numMajorIndices = majorIndices.length; + const first = majorIndices[0]; + const last = majorIndices[numMajorIndices - 1]; + const newTicks = []; + if (numMajorIndices > ticksLimit) { + skipMajors(ticks, newTicks, majorIndices, numMajorIndices / ticksLimit); + return newTicks; + } + const spacing = calculateSpacing(majorIndices, ticks, ticksLimit); + if (numMajorIndices > 0) { + let i, ilen; + const avgMajorSpacing = numMajorIndices > 1 ? Math.round((last - first) / (numMajorIndices - 1)) : null; + skip(ticks, newTicks, spacing, helpers_segment.isNullOrUndef(avgMajorSpacing) ? 0 : first - avgMajorSpacing, first); + for(i = 0, ilen = numMajorIndices - 1; i < ilen; i++){ + skip(ticks, newTicks, spacing, majorIndices[i], majorIndices[i + 1]); + } + skip(ticks, newTicks, spacing, last, helpers_segment.isNullOrUndef(avgMajorSpacing) ? ticks.length : last + avgMajorSpacing); + return newTicks; + } + skip(ticks, newTicks, spacing); + return newTicks; +} +function determineMaxTicks(scale) { + const offset = scale.options.offset; + const tickLength = scale._tickSize(); + const maxScale = scale._length / tickLength + (offset ? 0 : 1); + const maxChart = scale._maxLength / tickLength; + return Math.floor(Math.min(maxScale, maxChart)); +} + function calculateSpacing(majorIndices, ticks, ticksLimit) { + const evenMajorSpacing = getEvenSpacing(majorIndices); + const spacing = ticks.length / ticksLimit; + if (!evenMajorSpacing) { + return Math.max(spacing, 1); + } + const factors = helpers_segment._factorize(evenMajorSpacing); + for(let i = 0, ilen = factors.length - 1; i < ilen; i++){ + const factor = factors[i]; + if (factor > spacing) { + return factor; + } + } + return Math.max(spacing, 1); +} + function getMajorIndices(ticks) { + const result = []; + let i, ilen; + for(i = 0, ilen = ticks.length; i < ilen; i++){ + if (ticks[i].major) { + result.push(i); + } + } + return result; +} + function skipMajors(ticks, newTicks, majorIndices, spacing) { + let count = 0; + let next = majorIndices[0]; + let i; + spacing = Math.ceil(spacing); + for(i = 0; i < ticks.length; i++){ + if (i === next) { + newTicks.push(ticks[i]); + count++; + next = majorIndices[count * spacing]; + } + } +} + function skip(ticks, newTicks, spacing, majorStart, majorEnd) { + const start = helpers_segment.valueOrDefault(majorStart, 0); + const end = Math.min(helpers_segment.valueOrDefault(majorEnd, ticks.length), ticks.length); + let count = 0; + let length, i, next; + spacing = Math.ceil(spacing); + if (majorEnd) { + length = majorEnd - majorStart; + spacing = length / Math.floor(length / spacing); + } + next = start; + while(next < 0){ + count++; + next = Math.round(start + count * spacing); + } + for(i = Math.max(start, 0); i < end; i++){ + if (i === next) { + newTicks.push(ticks[i]); + count++; + next = Math.round(start + count * spacing); + } + } +} + function getEvenSpacing(arr) { + const len = arr.length; + let i, diff; + if (len < 2) { + return false; + } + for(diff = arr[0], i = 1; i < len; ++i){ + if (arr[i] - arr[i - 1] !== diff) { + return false; + } + } + return diff; +} + +const reverseAlign = (align)=>align === 'left' ? 'right' : align === 'right' ? 'left' : align; +const offsetFromEdge = (scale, edge, offset)=>edge === 'top' || edge === 'left' ? scale[edge] + offset : scale[edge] - offset; +const getTicksLimit = (ticksLength, maxTicksLimit)=>Math.min(maxTicksLimit || ticksLength, ticksLength); + function sample(arr, numItems) { + const result = []; + const increment = arr.length / numItems; + const len = arr.length; + let i = 0; + for(; i < len; i += increment){ + result.push(arr[Math.floor(i)]); + } + return result; +} + function getPixelForGridLine(scale, index, offsetGridLines) { + const length = scale.ticks.length; + const validIndex = Math.min(index, length - 1); + const start = scale._startPixel; + const end = scale._endPixel; + const epsilon = 1e-6; + let lineValue = scale.getPixelForTick(validIndex); + let offset; + if (offsetGridLines) { + if (length === 1) { + offset = Math.max(lineValue - start, end - lineValue); + } else if (index === 0) { + offset = (scale.getPixelForTick(1) - lineValue) / 2; + } else { + offset = (lineValue - scale.getPixelForTick(validIndex - 1)) / 2; + } + lineValue += validIndex < index ? offset : -offset; + if (lineValue < start - epsilon || lineValue > end + epsilon) { + return; + } + } + return lineValue; +} + function garbageCollect(caches, length) { + helpers_segment.each(caches, (cache)=>{ + const gc = cache.gc; + const gcLen = gc.length / 2; + let i; + if (gcLen > length) { + for(i = 0; i < gcLen; ++i){ + delete cache.data[gc[i]]; + } + gc.splice(0, gcLen); + } + }); +} + function getTickMarkLength(options) { + return options.drawTicks ? options.tickLength : 0; +} + function getTitleHeight(options, fallback) { + if (!options.display) { + return 0; + } + const font = helpers_segment.toFont(options.font, fallback); + const padding = helpers_segment.toPadding(options.padding); + const lines = helpers_segment.isArray(options.text) ? options.text.length : 1; + return lines * font.lineHeight + padding.height; +} +function createScaleContext(parent, scale) { + return helpers_segment.createContext(parent, { + scale, + type: 'scale' + }); +} +function createTickContext(parent, index, tick) { + return helpers_segment.createContext(parent, { + tick, + index, + type: 'tick' + }); +} +function titleAlign(align, position, reverse) { + let ret = helpers_segment._toLeftRightCenter(align); + if (reverse && position !== 'right' || !reverse && position === 'right') { + ret = reverseAlign(ret); + } + return ret; +} +function titleArgs(scale, offset, position, align) { + const { top , left , bottom , right , chart } = scale; + const { chartArea , scales } = chart; + let rotation = 0; + let maxWidth, titleX, titleY; + const height = bottom - top; + const width = right - left; + if (scale.isHorizontal()) { + titleX = helpers_segment._alignStartEnd(align, left, right); + if (helpers_segment.isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + titleY = scales[positionAxisID].getPixelForValue(value) + height - offset; + } else if (position === 'center') { + titleY = (chartArea.bottom + chartArea.top) / 2 + height - offset; + } else { + titleY = offsetFromEdge(scale, position, offset); + } + maxWidth = right - left; + } else { + if (helpers_segment.isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + titleX = scales[positionAxisID].getPixelForValue(value) - width + offset; + } else if (position === 'center') { + titleX = (chartArea.left + chartArea.right) / 2 - width + offset; + } else { + titleX = offsetFromEdge(scale, position, offset); + } + titleY = helpers_segment._alignStartEnd(align, bottom, top); + rotation = position === 'left' ? -helpers_segment.HALF_PI : helpers_segment.HALF_PI; + } + return { + titleX, + titleY, + maxWidth, + rotation + }; +} +class Scale extends Element { + constructor(cfg){ + super(); + this.id = cfg.id; + this.type = cfg.type; + this.options = undefined; + this.ctx = cfg.ctx; + this.chart = cfg.chart; + this.top = undefined; + this.bottom = undefined; + this.left = undefined; + this.right = undefined; + this.width = undefined; + this.height = undefined; + this._margins = { + left: 0, + right: 0, + top: 0, + bottom: 0 + }; + this.maxWidth = undefined; + this.maxHeight = undefined; + this.paddingTop = undefined; + this.paddingBottom = undefined; + this.paddingLeft = undefined; + this.paddingRight = undefined; + this.axis = undefined; + this.labelRotation = undefined; + this.min = undefined; + this.max = undefined; + this._range = undefined; + this.ticks = []; + this._gridLineItems = null; + this._labelItems = null; + this._labelSizes = null; + this._length = 0; + this._maxLength = 0; + this._longestTextCache = {}; + this._startPixel = undefined; + this._endPixel = undefined; + this._reversePixels = false; + this._userMax = undefined; + this._userMin = undefined; + this._suggestedMax = undefined; + this._suggestedMin = undefined; + this._ticksLength = 0; + this._borderValue = 0; + this._cache = {}; + this._dataLimitsCached = false; + this.$context = undefined; + } + init(options) { + this.options = options.setContext(this.getContext()); + this.axis = options.axis; + this._userMin = this.parse(options.min); + this._userMax = this.parse(options.max); + this._suggestedMin = this.parse(options.suggestedMin); + this._suggestedMax = this.parse(options.suggestedMax); + } + parse(raw, index) { + return raw; + } + getUserBounds() { + let { _userMin , _userMax , _suggestedMin , _suggestedMax } = this; + _userMin = helpers_segment.finiteOrDefault(_userMin, Number.POSITIVE_INFINITY); + _userMax = helpers_segment.finiteOrDefault(_userMax, Number.NEGATIVE_INFINITY); + _suggestedMin = helpers_segment.finiteOrDefault(_suggestedMin, Number.POSITIVE_INFINITY); + _suggestedMax = helpers_segment.finiteOrDefault(_suggestedMax, Number.NEGATIVE_INFINITY); + return { + min: helpers_segment.finiteOrDefault(_userMin, _suggestedMin), + max: helpers_segment.finiteOrDefault(_userMax, _suggestedMax), + minDefined: helpers_segment.isNumberFinite(_userMin), + maxDefined: helpers_segment.isNumberFinite(_userMax) + }; + } + getMinMax(canStack) { + let { min , max , minDefined , maxDefined } = this.getUserBounds(); + let range; + if (minDefined && maxDefined) { + return { + min, + max + }; + } + const metas = this.getMatchingVisibleMetas(); + for(let i = 0, ilen = metas.length; i < ilen; ++i){ + range = metas[i].controller.getMinMax(this, canStack); + if (!minDefined) { + min = Math.min(min, range.min); + } + if (!maxDefined) { + max = Math.max(max, range.max); + } + } + min = maxDefined && min > max ? max : min; + max = minDefined && min > max ? min : max; + return { + min: helpers_segment.finiteOrDefault(min, helpers_segment.finiteOrDefault(max, min)), + max: helpers_segment.finiteOrDefault(max, helpers_segment.finiteOrDefault(min, max)) + }; + } + getPadding() { + return { + left: this.paddingLeft || 0, + top: this.paddingTop || 0, + right: this.paddingRight || 0, + bottom: this.paddingBottom || 0 + }; + } + getTicks() { + return this.ticks; + } + getLabels() { + const data = this.chart.data; + return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels || []; + } + getLabelItems(chartArea = this.chart.chartArea) { + const items = this._labelItems || (this._labelItems = this._computeLabelItems(chartArea)); + return items; + } + beforeLayout() { + this._cache = {}; + this._dataLimitsCached = false; + } + beforeUpdate() { + helpers_segment.callback(this.options.beforeUpdate, [ + this + ]); + } + update(maxWidth, maxHeight, margins) { + const { beginAtZero , grace , ticks: tickOpts } = this.options; + const sampleSize = tickOpts.sampleSize; + this.beforeUpdate(); + this.maxWidth = maxWidth; + this.maxHeight = maxHeight; + this._margins = margins = Object.assign({ + left: 0, + right: 0, + top: 0, + bottom: 0 + }, margins); + this.ticks = null; + this._labelSizes = null; + this._gridLineItems = null; + this._labelItems = null; + this.beforeSetDimensions(); + this.setDimensions(); + this.afterSetDimensions(); + this._maxLength = this.isHorizontal() ? this.width + margins.left + margins.right : this.height + margins.top + margins.bottom; + if (!this._dataLimitsCached) { + this.beforeDataLimits(); + this.determineDataLimits(); + this.afterDataLimits(); + this._range = helpers_segment._addGrace(this, grace, beginAtZero); + this._dataLimitsCached = true; + } + this.beforeBuildTicks(); + this.ticks = this.buildTicks() || []; + this.afterBuildTicks(); + const samplingEnabled = sampleSize < this.ticks.length; + this._convertTicksToLabels(samplingEnabled ? sample(this.ticks, sampleSize) : this.ticks); + this.configure(); + this.beforeCalculateLabelRotation(); + this.calculateLabelRotation(); + this.afterCalculateLabelRotation(); + if (tickOpts.display && (tickOpts.autoSkip || tickOpts.source === 'auto')) { + this.ticks = autoSkip(this, this.ticks); + this._labelSizes = null; + this.afterAutoSkip(); + } + if (samplingEnabled) { + this._convertTicksToLabels(this.ticks); + } + this.beforeFit(); + this.fit(); + this.afterFit(); + this.afterUpdate(); + } + configure() { + let reversePixels = this.options.reverse; + let startPixel, endPixel; + if (this.isHorizontal()) { + startPixel = this.left; + endPixel = this.right; + } else { + startPixel = this.top; + endPixel = this.bottom; + reversePixels = !reversePixels; + } + this._startPixel = startPixel; + this._endPixel = endPixel; + this._reversePixels = reversePixels; + this._length = endPixel - startPixel; + this._alignToPixels = this.options.alignToPixels; + } + afterUpdate() { + helpers_segment.callback(this.options.afterUpdate, [ + this + ]); + } + beforeSetDimensions() { + helpers_segment.callback(this.options.beforeSetDimensions, [ + this + ]); + } + setDimensions() { + if (this.isHorizontal()) { + this.width = this.maxWidth; + this.left = 0; + this.right = this.width; + } else { + this.height = this.maxHeight; + this.top = 0; + this.bottom = this.height; + } + this.paddingLeft = 0; + this.paddingTop = 0; + this.paddingRight = 0; + this.paddingBottom = 0; + } + afterSetDimensions() { + helpers_segment.callback(this.options.afterSetDimensions, [ + this + ]); + } + _callHooks(name) { + this.chart.notifyPlugins(name, this.getContext()); + helpers_segment.callback(this.options[name], [ + this + ]); + } + beforeDataLimits() { + this._callHooks('beforeDataLimits'); + } + determineDataLimits() {} + afterDataLimits() { + this._callHooks('afterDataLimits'); + } + beforeBuildTicks() { + this._callHooks('beforeBuildTicks'); + } + buildTicks() { + return []; + } + afterBuildTicks() { + this._callHooks('afterBuildTicks'); + } + beforeTickToLabelConversion() { + helpers_segment.callback(this.options.beforeTickToLabelConversion, [ + this + ]); + } + generateTickLabels(ticks) { + const tickOpts = this.options.ticks; + let i, ilen, tick; + for(i = 0, ilen = ticks.length; i < ilen; i++){ + tick = ticks[i]; + tick.label = helpers_segment.callback(tickOpts.callback, [ + tick.value, + i, + ticks + ], this); + } + } + afterTickToLabelConversion() { + helpers_segment.callback(this.options.afterTickToLabelConversion, [ + this + ]); + } + beforeCalculateLabelRotation() { + helpers_segment.callback(this.options.beforeCalculateLabelRotation, [ + this + ]); + } + calculateLabelRotation() { + const options = this.options; + const tickOpts = options.ticks; + const numTicks = getTicksLimit(this.ticks.length, options.ticks.maxTicksLimit); + const minRotation = tickOpts.minRotation || 0; + const maxRotation = tickOpts.maxRotation; + let labelRotation = minRotation; + let tickWidth, maxHeight, maxLabelDiagonal; + if (!this._isVisible() || !tickOpts.display || minRotation >= maxRotation || numTicks <= 1 || !this.isHorizontal()) { + this.labelRotation = minRotation; + return; + } + const labelSizes = this._getLabelSizes(); + const maxLabelWidth = labelSizes.widest.width; + const maxLabelHeight = labelSizes.highest.height; + const maxWidth = helpers_segment._limitValue(this.chart.width - maxLabelWidth, 0, this.maxWidth); + tickWidth = options.offset ? this.maxWidth / numTicks : maxWidth / (numTicks - 1); + if (maxLabelWidth + 6 > tickWidth) { + tickWidth = maxWidth / (numTicks - (options.offset ? 0.5 : 1)); + maxHeight = this.maxHeight - getTickMarkLength(options.grid) - tickOpts.padding - getTitleHeight(options.title, this.chart.options.font); + maxLabelDiagonal = Math.sqrt(maxLabelWidth * maxLabelWidth + maxLabelHeight * maxLabelHeight); + labelRotation = helpers_segment.toDegrees(Math.min(Math.asin(helpers_segment._limitValue((labelSizes.highest.height + 6) / tickWidth, -1, 1)), Math.asin(helpers_segment._limitValue(maxHeight / maxLabelDiagonal, -1, 1)) - Math.asin(helpers_segment._limitValue(maxLabelHeight / maxLabelDiagonal, -1, 1)))); + labelRotation = Math.max(minRotation, Math.min(maxRotation, labelRotation)); + } + this.labelRotation = labelRotation; + } + afterCalculateLabelRotation() { + helpers_segment.callback(this.options.afterCalculateLabelRotation, [ + this + ]); + } + afterAutoSkip() {} + beforeFit() { + helpers_segment.callback(this.options.beforeFit, [ + this + ]); + } + fit() { + const minSize = { + width: 0, + height: 0 + }; + const { chart , options: { ticks: tickOpts , title: titleOpts , grid: gridOpts } } = this; + const display = this._isVisible(); + const isHorizontal = this.isHorizontal(); + if (display) { + const titleHeight = getTitleHeight(titleOpts, chart.options.font); + if (isHorizontal) { + minSize.width = this.maxWidth; + minSize.height = getTickMarkLength(gridOpts) + titleHeight; + } else { + minSize.height = this.maxHeight; + minSize.width = getTickMarkLength(gridOpts) + titleHeight; + } + if (tickOpts.display && this.ticks.length) { + const { first , last , widest , highest } = this._getLabelSizes(); + const tickPadding = tickOpts.padding * 2; + const angleRadians = helpers_segment.toRadians(this.labelRotation); + const cos = Math.cos(angleRadians); + const sin = Math.sin(angleRadians); + if (isHorizontal) { + const labelHeight = tickOpts.mirror ? 0 : sin * widest.width + cos * highest.height; + minSize.height = Math.min(this.maxHeight, minSize.height + labelHeight + tickPadding); + } else { + const labelWidth = tickOpts.mirror ? 0 : cos * widest.width + sin * highest.height; + minSize.width = Math.min(this.maxWidth, minSize.width + labelWidth + tickPadding); + } + this._calculatePadding(first, last, sin, cos); + } + } + this._handleMargins(); + if (isHorizontal) { + this.width = this._length = chart.width - this._margins.left - this._margins.right; + this.height = minSize.height; + } else { + this.width = minSize.width; + this.height = this._length = chart.height - this._margins.top - this._margins.bottom; + } + } + _calculatePadding(first, last, sin, cos) { + const { ticks: { align , padding } , position } = this.options; + const isRotated = this.labelRotation !== 0; + const labelsBelowTicks = position !== 'top' && this.axis === 'x'; + if (this.isHorizontal()) { + const offsetLeft = this.getPixelForTick(0) - this.left; + const offsetRight = this.right - this.getPixelForTick(this.ticks.length - 1); + let paddingLeft = 0; + let paddingRight = 0; + if (isRotated) { + if (labelsBelowTicks) { + paddingLeft = cos * first.width; + paddingRight = sin * last.height; + } else { + paddingLeft = sin * first.height; + paddingRight = cos * last.width; + } + } else if (align === 'start') { + paddingRight = last.width; + } else if (align === 'end') { + paddingLeft = first.width; + } else if (align !== 'inner') { + paddingLeft = first.width / 2; + paddingRight = last.width / 2; + } + this.paddingLeft = Math.max((paddingLeft - offsetLeft + padding) * this.width / (this.width - offsetLeft), 0); + this.paddingRight = Math.max((paddingRight - offsetRight + padding) * this.width / (this.width - offsetRight), 0); + } else { + let paddingTop = last.height / 2; + let paddingBottom = first.height / 2; + if (align === 'start') { + paddingTop = 0; + paddingBottom = first.height; + } else if (align === 'end') { + paddingTop = last.height; + paddingBottom = 0; + } + this.paddingTop = paddingTop + padding; + this.paddingBottom = paddingBottom + padding; + } + } + _handleMargins() { + if (this._margins) { + this._margins.left = Math.max(this.paddingLeft, this._margins.left); + this._margins.top = Math.max(this.paddingTop, this._margins.top); + this._margins.right = Math.max(this.paddingRight, this._margins.right); + this._margins.bottom = Math.max(this.paddingBottom, this._margins.bottom); + } + } + afterFit() { + helpers_segment.callback(this.options.afterFit, [ + this + ]); + } + isHorizontal() { + const { axis , position } = this.options; + return position === 'top' || position === 'bottom' || axis === 'x'; + } + isFullSize() { + return this.options.fullSize; + } + _convertTicksToLabels(ticks) { + this.beforeTickToLabelConversion(); + this.generateTickLabels(ticks); + let i, ilen; + for(i = 0, ilen = ticks.length; i < ilen; i++){ + if (helpers_segment.isNullOrUndef(ticks[i].label)) { + ticks.splice(i, 1); + ilen--; + i--; + } + } + this.afterTickToLabelConversion(); + } + _getLabelSizes() { + let labelSizes = this._labelSizes; + if (!labelSizes) { + const sampleSize = this.options.ticks.sampleSize; + let ticks = this.ticks; + if (sampleSize < ticks.length) { + ticks = sample(ticks, sampleSize); + } + this._labelSizes = labelSizes = this._computeLabelSizes(ticks, ticks.length, this.options.ticks.maxTicksLimit); + } + return labelSizes; + } + _computeLabelSizes(ticks, length, maxTicksLimit) { + const { ctx , _longestTextCache: caches } = this; + const widths = []; + const heights = []; + const increment = Math.floor(length / getTicksLimit(length, maxTicksLimit)); + let widestLabelSize = 0; + let highestLabelSize = 0; + let i, j, jlen, label, tickFont, fontString, cache, lineHeight, width, height, nestedLabel; + for(i = 0; i < length; i += increment){ + label = ticks[i].label; + tickFont = this._resolveTickFontOptions(i); + ctx.font = fontString = tickFont.string; + cache = caches[fontString] = caches[fontString] || { + data: {}, + gc: [] + }; + lineHeight = tickFont.lineHeight; + width = height = 0; + if (!helpers_segment.isNullOrUndef(label) && !helpers_segment.isArray(label)) { + width = helpers_segment._measureText(ctx, cache.data, cache.gc, width, label); + height = lineHeight; + } else if (helpers_segment.isArray(label)) { + for(j = 0, jlen = label.length; j < jlen; ++j){ + nestedLabel = label[j]; + if (!helpers_segment.isNullOrUndef(nestedLabel) && !helpers_segment.isArray(nestedLabel)) { + width = helpers_segment._measureText(ctx, cache.data, cache.gc, width, nestedLabel); + height += lineHeight; + } + } + } + widths.push(width); + heights.push(height); + widestLabelSize = Math.max(width, widestLabelSize); + highestLabelSize = Math.max(height, highestLabelSize); + } + garbageCollect(caches, length); + const widest = widths.indexOf(widestLabelSize); + const highest = heights.indexOf(highestLabelSize); + const valueAt = (idx)=>({ + width: widths[idx] || 0, + height: heights[idx] || 0 + }); + return { + first: valueAt(0), + last: valueAt(length - 1), + widest: valueAt(widest), + highest: valueAt(highest), + widths, + heights + }; + } + getLabelForValue(value) { + return value; + } + getPixelForValue(value, index) { + return NaN; + } + getValueForPixel(pixel) {} + getPixelForTick(index) { + const ticks = this.ticks; + if (index < 0 || index > ticks.length - 1) { + return null; + } + return this.getPixelForValue(ticks[index].value); + } + getPixelForDecimal(decimal) { + if (this._reversePixels) { + decimal = 1 - decimal; + } + const pixel = this._startPixel + decimal * this._length; + return helpers_segment._int16Range(this._alignToPixels ? helpers_segment._alignPixel(this.chart, pixel, 0) : pixel); + } + getDecimalForPixel(pixel) { + const decimal = (pixel - this._startPixel) / this._length; + return this._reversePixels ? 1 - decimal : decimal; + } + getBasePixel() { + return this.getPixelForValue(this.getBaseValue()); + } + getBaseValue() { + const { min , max } = this; + return min < 0 && max < 0 ? max : min > 0 && max > 0 ? min : 0; + } + getContext(index) { + const ticks = this.ticks || []; + if (index >= 0 && index < ticks.length) { + const tick = ticks[index]; + return tick.$context || (tick.$context = createTickContext(this.getContext(), index, tick)); + } + return this.$context || (this.$context = createScaleContext(this.chart.getContext(), this)); + } + _tickSize() { + const optionTicks = this.options.ticks; + const rot = helpers_segment.toRadians(this.labelRotation); + const cos = Math.abs(Math.cos(rot)); + const sin = Math.abs(Math.sin(rot)); + const labelSizes = this._getLabelSizes(); + const padding = optionTicks.autoSkipPadding || 0; + const w = labelSizes ? labelSizes.widest.width + padding : 0; + const h = labelSizes ? labelSizes.highest.height + padding : 0; + return this.isHorizontal() ? h * cos > w * sin ? w / cos : h / sin : h * sin < w * cos ? h / cos : w / sin; + } + _isVisible() { + const display = this.options.display; + if (display !== 'auto') { + return !!display; + } + return this.getMatchingVisibleMetas().length > 0; + } + _computeGridLineItems(chartArea) { + const axis = this.axis; + const chart = this.chart; + const options = this.options; + const { grid , position , border } = options; + const offset = grid.offset; + const isHorizontal = this.isHorizontal(); + const ticks = this.ticks; + const ticksLength = ticks.length + (offset ? 1 : 0); + const tl = getTickMarkLength(grid); + const items = []; + const borderOpts = border.setContext(this.getContext()); + const axisWidth = borderOpts.display ? borderOpts.width : 0; + const axisHalfWidth = axisWidth / 2; + const alignBorderValue = function(pixel) { + return helpers_segment._alignPixel(chart, pixel, axisWidth); + }; + let borderValue, i, lineValue, alignedLineValue; + let tx1, ty1, tx2, ty2, x1, y1, x2, y2; + if (position === 'top') { + borderValue = alignBorderValue(this.bottom); + ty1 = this.bottom - tl; + ty2 = borderValue - axisHalfWidth; + y1 = alignBorderValue(chartArea.top) + axisHalfWidth; + y2 = chartArea.bottom; + } else if (position === 'bottom') { + borderValue = alignBorderValue(this.top); + y1 = chartArea.top; + y2 = alignBorderValue(chartArea.bottom) - axisHalfWidth; + ty1 = borderValue + axisHalfWidth; + ty2 = this.top + tl; + } else if (position === 'left') { + borderValue = alignBorderValue(this.right); + tx1 = this.right - tl; + tx2 = borderValue - axisHalfWidth; + x1 = alignBorderValue(chartArea.left) + axisHalfWidth; + x2 = chartArea.right; + } else if (position === 'right') { + borderValue = alignBorderValue(this.left); + x1 = chartArea.left; + x2 = alignBorderValue(chartArea.right) - axisHalfWidth; + tx1 = borderValue + axisHalfWidth; + tx2 = this.left + tl; + } else if (axis === 'x') { + if (position === 'center') { + borderValue = alignBorderValue((chartArea.top + chartArea.bottom) / 2 + 0.5); + } else if (helpers_segment.isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value)); + } + y1 = chartArea.top; + y2 = chartArea.bottom; + ty1 = borderValue + axisHalfWidth; + ty2 = ty1 + tl; + } else if (axis === 'y') { + if (position === 'center') { + borderValue = alignBorderValue((chartArea.left + chartArea.right) / 2); + } else if (helpers_segment.isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value)); + } + tx1 = borderValue - axisHalfWidth; + tx2 = tx1 - tl; + x1 = chartArea.left; + x2 = chartArea.right; + } + const limit = helpers_segment.valueOrDefault(options.ticks.maxTicksLimit, ticksLength); + const step = Math.max(1, Math.ceil(ticksLength / limit)); + for(i = 0; i < ticksLength; i += step){ + const context = this.getContext(i); + const optsAtIndex = grid.setContext(context); + const optsAtIndexBorder = border.setContext(context); + const lineWidth = optsAtIndex.lineWidth; + const lineColor = optsAtIndex.color; + const borderDash = optsAtIndexBorder.dash || []; + const borderDashOffset = optsAtIndexBorder.dashOffset; + const tickWidth = optsAtIndex.tickWidth; + const tickColor = optsAtIndex.tickColor; + const tickBorderDash = optsAtIndex.tickBorderDash || []; + const tickBorderDashOffset = optsAtIndex.tickBorderDashOffset; + lineValue = getPixelForGridLine(this, i, offset); + if (lineValue === undefined) { + continue; + } + alignedLineValue = helpers_segment._alignPixel(chart, lineValue, lineWidth); + if (isHorizontal) { + tx1 = tx2 = x1 = x2 = alignedLineValue; + } else { + ty1 = ty2 = y1 = y2 = alignedLineValue; + } + items.push({ + tx1, + ty1, + tx2, + ty2, + x1, + y1, + x2, + y2, + width: lineWidth, + color: lineColor, + borderDash, + borderDashOffset, + tickWidth, + tickColor, + tickBorderDash, + tickBorderDashOffset + }); + } + this._ticksLength = ticksLength; + this._borderValue = borderValue; + return items; + } + _computeLabelItems(chartArea) { + const axis = this.axis; + const options = this.options; + const { position , ticks: optionTicks } = options; + const isHorizontal = this.isHorizontal(); + const ticks = this.ticks; + const { align , crossAlign , padding , mirror } = optionTicks; + const tl = getTickMarkLength(options.grid); + const tickAndPadding = tl + padding; + const hTickAndPadding = mirror ? -padding : tickAndPadding; + const rotation = -helpers_segment.toRadians(this.labelRotation); + const items = []; + let i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset; + let textBaseline = 'middle'; + if (position === 'top') { + y = this.bottom - hTickAndPadding; + textAlign = this._getXAxisLabelAlignment(); + } else if (position === 'bottom') { + y = this.top + hTickAndPadding; + textAlign = this._getXAxisLabelAlignment(); + } else if (position === 'left') { + const ret = this._getYAxisLabelAlignment(tl); + textAlign = ret.textAlign; + x = ret.x; + } else if (position === 'right') { + const ret = this._getYAxisLabelAlignment(tl); + textAlign = ret.textAlign; + x = ret.x; + } else if (axis === 'x') { + if (position === 'center') { + y = (chartArea.top + chartArea.bottom) / 2 + tickAndPadding; + } else if (helpers_segment.isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + y = this.chart.scales[positionAxisID].getPixelForValue(value) + tickAndPadding; + } + textAlign = this._getXAxisLabelAlignment(); + } else if (axis === 'y') { + if (position === 'center') { + x = (chartArea.left + chartArea.right) / 2 - tickAndPadding; + } else if (helpers_segment.isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + x = this.chart.scales[positionAxisID].getPixelForValue(value); + } + textAlign = this._getYAxisLabelAlignment(tl).textAlign; + } + if (axis === 'y') { + if (align === 'start') { + textBaseline = 'top'; + } else if (align === 'end') { + textBaseline = 'bottom'; + } + } + const labelSizes = this._getLabelSizes(); + for(i = 0, ilen = ticks.length; i < ilen; ++i){ + tick = ticks[i]; + label = tick.label; + const optsAtIndex = optionTicks.setContext(this.getContext(i)); + pixel = this.getPixelForTick(i) + optionTicks.labelOffset; + font = this._resolveTickFontOptions(i); + lineHeight = font.lineHeight; + lineCount = helpers_segment.isArray(label) ? label.length : 1; + const halfCount = lineCount / 2; + const color = optsAtIndex.color; + const strokeColor = optsAtIndex.textStrokeColor; + const strokeWidth = optsAtIndex.textStrokeWidth; + let tickTextAlign = textAlign; + if (isHorizontal) { + x = pixel; + if (textAlign === 'inner') { + if (i === ilen - 1) { + tickTextAlign = !this.options.reverse ? 'right' : 'left'; + } else if (i === 0) { + tickTextAlign = !this.options.reverse ? 'left' : 'right'; + } else { + tickTextAlign = 'center'; + } + } + if (position === 'top') { + if (crossAlign === 'near' || rotation !== 0) { + textOffset = -lineCount * lineHeight + lineHeight / 2; + } else if (crossAlign === 'center') { + textOffset = -labelSizes.highest.height / 2 - halfCount * lineHeight + lineHeight; + } else { + textOffset = -labelSizes.highest.height + lineHeight / 2; + } + } else { + if (crossAlign === 'near' || rotation !== 0) { + textOffset = lineHeight / 2; + } else if (crossAlign === 'center') { + textOffset = labelSizes.highest.height / 2 - halfCount * lineHeight; + } else { + textOffset = labelSizes.highest.height - lineCount * lineHeight; + } + } + if (mirror) { + textOffset *= -1; + } + if (rotation !== 0 && !optsAtIndex.showLabelBackdrop) { + x += lineHeight / 2 * Math.sin(rotation); + } + } else { + y = pixel; + textOffset = (1 - lineCount) * lineHeight / 2; + } + let backdrop; + if (optsAtIndex.showLabelBackdrop) { + const labelPadding = helpers_segment.toPadding(optsAtIndex.backdropPadding); + const height = labelSizes.heights[i]; + const width = labelSizes.widths[i]; + let top = textOffset - labelPadding.top; + let left = 0 - labelPadding.left; + switch(textBaseline){ + case 'middle': + top -= height / 2; + break; + case 'bottom': + top -= height; + break; + } + switch(textAlign){ + case 'center': + left -= width / 2; + break; + case 'right': + left -= width; + break; + } + backdrop = { + left, + top, + width: width + labelPadding.width, + height: height + labelPadding.height, + color: optsAtIndex.backdropColor + }; + } + items.push({ + label, + font, + textOffset, + options: { + rotation, + color, + strokeColor, + strokeWidth, + textAlign: tickTextAlign, + textBaseline, + translation: [ + x, + y + ], + backdrop + } + }); + } + return items; + } + _getXAxisLabelAlignment() { + const { position , ticks } = this.options; + const rotation = -helpers_segment.toRadians(this.labelRotation); + if (rotation) { + return position === 'top' ? 'left' : 'right'; + } + let align = 'center'; + if (ticks.align === 'start') { + align = 'left'; + } else if (ticks.align === 'end') { + align = 'right'; + } else if (ticks.align === 'inner') { + align = 'inner'; + } + return align; + } + _getYAxisLabelAlignment(tl) { + const { position , ticks: { crossAlign , mirror , padding } } = this.options; + const labelSizes = this._getLabelSizes(); + const tickAndPadding = tl + padding; + const widest = labelSizes.widest.width; + let textAlign; + let x; + if (position === 'left') { + if (mirror) { + x = this.right + padding; + if (crossAlign === 'near') { + textAlign = 'left'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x += widest / 2; + } else { + textAlign = 'right'; + x += widest; + } + } else { + x = this.right - tickAndPadding; + if (crossAlign === 'near') { + textAlign = 'right'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x -= widest / 2; + } else { + textAlign = 'left'; + x = this.left; + } + } + } else if (position === 'right') { + if (mirror) { + x = this.left + padding; + if (crossAlign === 'near') { + textAlign = 'right'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x -= widest / 2; + } else { + textAlign = 'left'; + x -= widest; + } + } else { + x = this.left + tickAndPadding; + if (crossAlign === 'near') { + textAlign = 'left'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x += widest / 2; + } else { + textAlign = 'right'; + x = this.right; + } + } + } else { + textAlign = 'right'; + } + return { + textAlign, + x + }; + } + _computeLabelArea() { + if (this.options.ticks.mirror) { + return; + } + const chart = this.chart; + const position = this.options.position; + if (position === 'left' || position === 'right') { + return { + top: 0, + left: this.left, + bottom: chart.height, + right: this.right + }; + } + if (position === 'top' || position === 'bottom') { + return { + top: this.top, + left: 0, + bottom: this.bottom, + right: chart.width + }; + } + } + drawBackground() { + const { ctx , options: { backgroundColor } , left , top , width , height } = this; + if (backgroundColor) { + ctx.save(); + ctx.fillStyle = backgroundColor; + ctx.fillRect(left, top, width, height); + ctx.restore(); + } + } + getLineWidthForValue(value) { + const grid = this.options.grid; + if (!this._isVisible() || !grid.display) { + return 0; + } + const ticks = this.ticks; + const index = ticks.findIndex((t)=>t.value === value); + if (index >= 0) { + const opts = grid.setContext(this.getContext(index)); + return opts.lineWidth; + } + return 0; + } + drawGrid(chartArea) { + const grid = this.options.grid; + const ctx = this.ctx; + const items = this._gridLineItems || (this._gridLineItems = this._computeGridLineItems(chartArea)); + let i, ilen; + const drawLine = (p1, p2, style)=>{ + if (!style.width || !style.color) { + return; + } + ctx.save(); + ctx.lineWidth = style.width; + ctx.strokeStyle = style.color; + ctx.setLineDash(style.borderDash || []); + ctx.lineDashOffset = style.borderDashOffset; + ctx.beginPath(); + ctx.moveTo(p1.x, p1.y); + ctx.lineTo(p2.x, p2.y); + ctx.stroke(); + ctx.restore(); + }; + if (grid.display) { + for(i = 0, ilen = items.length; i < ilen; ++i){ + const item = items[i]; + if (grid.drawOnChartArea) { + drawLine({ + x: item.x1, + y: item.y1 + }, { + x: item.x2, + y: item.y2 + }, item); + } + if (grid.drawTicks) { + drawLine({ + x: item.tx1, + y: item.ty1 + }, { + x: item.tx2, + y: item.ty2 + }, { + color: item.tickColor, + width: item.tickWidth, + borderDash: item.tickBorderDash, + borderDashOffset: item.tickBorderDashOffset + }); + } + } + } + } + drawBorder() { + const { chart , ctx , options: { border , grid } } = this; + const borderOpts = border.setContext(this.getContext()); + const axisWidth = border.display ? borderOpts.width : 0; + if (!axisWidth) { + return; + } + const lastLineWidth = grid.setContext(this.getContext(0)).lineWidth; + const borderValue = this._borderValue; + let x1, x2, y1, y2; + if (this.isHorizontal()) { + x1 = helpers_segment._alignPixel(chart, this.left, axisWidth) - axisWidth / 2; + x2 = helpers_segment._alignPixel(chart, this.right, lastLineWidth) + lastLineWidth / 2; + y1 = y2 = borderValue; + } else { + y1 = helpers_segment._alignPixel(chart, this.top, axisWidth) - axisWidth / 2; + y2 = helpers_segment._alignPixel(chart, this.bottom, lastLineWidth) + lastLineWidth / 2; + x1 = x2 = borderValue; + } + ctx.save(); + ctx.lineWidth = borderOpts.width; + ctx.strokeStyle = borderOpts.color; + ctx.beginPath(); + ctx.moveTo(x1, y1); + ctx.lineTo(x2, y2); + ctx.stroke(); + ctx.restore(); + } + drawLabels(chartArea) { + const optionTicks = this.options.ticks; + if (!optionTicks.display) { + return; + } + const ctx = this.ctx; + const area = this._computeLabelArea(); + if (area) { + helpers_segment.clipArea(ctx, area); + } + const items = this.getLabelItems(chartArea); + for (const item of items){ + const renderTextOptions = item.options; + const tickFont = item.font; + const label = item.label; + const y = item.textOffset; + helpers_segment.renderText(ctx, label, 0, y, tickFont, renderTextOptions); + } + if (area) { + helpers_segment.unclipArea(ctx); + } + } + drawTitle() { + const { ctx , options: { position , title , reverse } } = this; + if (!title.display) { + return; + } + const font = helpers_segment.toFont(title.font); + const padding = helpers_segment.toPadding(title.padding); + const align = title.align; + let offset = font.lineHeight / 2; + if (position === 'bottom' || position === 'center' || helpers_segment.isObject(position)) { + offset += padding.bottom; + if (helpers_segment.isArray(title.text)) { + offset += font.lineHeight * (title.text.length - 1); + } + } else { + offset += padding.top; + } + const { titleX , titleY , maxWidth , rotation } = titleArgs(this, offset, position, align); + helpers_segment.renderText(ctx, title.text, 0, 0, font, { + color: title.color, + maxWidth, + rotation, + textAlign: titleAlign(align, position, reverse), + textBaseline: 'middle', + translation: [ + titleX, + titleY + ] + }); + } + draw(chartArea) { + if (!this._isVisible()) { + return; + } + this.drawBackground(); + this.drawGrid(chartArea); + this.drawBorder(); + this.drawTitle(); + this.drawLabels(chartArea); + } + _layers() { + const opts = this.options; + const tz = opts.ticks && opts.ticks.z || 0; + const gz = helpers_segment.valueOrDefault(opts.grid && opts.grid.z, -1); + const bz = helpers_segment.valueOrDefault(opts.border && opts.border.z, 0); + if (!this._isVisible() || this.draw !== Scale.prototype.draw) { + return [ + { + z: tz, + draw: (chartArea)=>{ + this.draw(chartArea); + } + } + ]; + } + return [ + { + z: gz, + draw: (chartArea)=>{ + this.drawBackground(); + this.drawGrid(chartArea); + this.drawTitle(); + } + }, + { + z: bz, + draw: ()=>{ + this.drawBorder(); + } + }, + { + z: tz, + draw: (chartArea)=>{ + this.drawLabels(chartArea); + } + } + ]; + } + getMatchingVisibleMetas(type) { + const metas = this.chart.getSortedVisibleDatasetMetas(); + const axisID = this.axis + 'AxisID'; + const result = []; + let i, ilen; + for(i = 0, ilen = metas.length; i < ilen; ++i){ + const meta = metas[i]; + if (meta[axisID] === this.id && (!type || meta.type === type)) { + result.push(meta); + } + } + return result; + } + _resolveTickFontOptions(index) { + const opts = this.options.ticks.setContext(this.getContext(index)); + return helpers_segment.toFont(opts.font); + } + _maxDigits() { + const fontSize = this._resolveTickFontOptions(0).lineHeight; + return (this.isHorizontal() ? this.width : this.height) / fontSize; + } +} + +class TypedRegistry { + constructor(type, scope, override){ + this.type = type; + this.scope = scope; + this.override = override; + this.items = Object.create(null); + } + isForType(type) { + return Object.prototype.isPrototypeOf.call(this.type.prototype, type.prototype); + } + register(item) { + const proto = Object.getPrototypeOf(item); + let parentScope; + if (isIChartComponent(proto)) { + parentScope = this.register(proto); + } + const items = this.items; + const id = item.id; + const scope = this.scope + '.' + id; + if (!id) { + throw new Error('class does not have id: ' + item); + } + if (id in items) { + return scope; + } + items[id] = item; + registerDefaults(item, scope, parentScope); + if (this.override) { + helpers_segment.defaults.override(item.id, item.overrides); + } + return scope; + } + get(id) { + return this.items[id]; + } + unregister(item) { + const items = this.items; + const id = item.id; + const scope = this.scope; + if (id in items) { + delete items[id]; + } + if (scope && id in helpers_segment.defaults[scope]) { + delete helpers_segment.defaults[scope][id]; + if (this.override) { + delete helpers_segment.overrides[id]; + } + } + } +} +function registerDefaults(item, scope, parentScope) { + const itemDefaults = helpers_segment.merge(Object.create(null), [ + parentScope ? helpers_segment.defaults.get(parentScope) : {}, + helpers_segment.defaults.get(scope), + item.defaults + ]); + helpers_segment.defaults.set(scope, itemDefaults); + if (item.defaultRoutes) { + routeDefaults(scope, item.defaultRoutes); + } + if (item.descriptors) { + helpers_segment.defaults.describe(scope, item.descriptors); + } +} +function routeDefaults(scope, routes) { + Object.keys(routes).forEach((property)=>{ + const propertyParts = property.split('.'); + const sourceName = propertyParts.pop(); + const sourceScope = [ + scope + ].concat(propertyParts).join('.'); + const parts = routes[property].split('.'); + const targetName = parts.pop(); + const targetScope = parts.join('.'); + helpers_segment.defaults.route(sourceScope, sourceName, targetScope, targetName); + }); +} +function isIChartComponent(proto) { + return 'id' in proto && 'defaults' in proto; +} + +class Registry { + constructor(){ + this.controllers = new TypedRegistry(DatasetController, 'datasets', true); + this.elements = new TypedRegistry(Element, 'elements'); + this.plugins = new TypedRegistry(Object, 'plugins'); + this.scales = new TypedRegistry(Scale, 'scales'); + this._typedRegistries = [ + this.controllers, + this.scales, + this.elements + ]; + } + add(...args) { + this._each('register', args); + } + remove(...args) { + this._each('unregister', args); + } + addControllers(...args) { + this._each('register', args, this.controllers); + } + addElements(...args) { + this._each('register', args, this.elements); + } + addPlugins(...args) { + this._each('register', args, this.plugins); + } + addScales(...args) { + this._each('register', args, this.scales); + } + getController(id) { + return this._get(id, this.controllers, 'controller'); + } + getElement(id) { + return this._get(id, this.elements, 'element'); + } + getPlugin(id) { + return this._get(id, this.plugins, 'plugin'); + } + getScale(id) { + return this._get(id, this.scales, 'scale'); + } + removeControllers(...args) { + this._each('unregister', args, this.controllers); + } + removeElements(...args) { + this._each('unregister', args, this.elements); + } + removePlugins(...args) { + this._each('unregister', args, this.plugins); + } + removeScales(...args) { + this._each('unregister', args, this.scales); + } + _each(method, args, typedRegistry) { + [ + ...args + ].forEach((arg)=>{ + const reg = typedRegistry || this._getRegistryForType(arg); + if (typedRegistry || reg.isForType(arg) || reg === this.plugins && arg.id) { + this._exec(method, reg, arg); + } else { + helpers_segment.each(arg, (item)=>{ + const itemReg = typedRegistry || this._getRegistryForType(item); + this._exec(method, itemReg, item); + }); + } + }); + } + _exec(method, registry, component) { + const camelMethod = helpers_segment._capitalize(method); + helpers_segment.callback(component['before' + camelMethod], [], component); + registry[method](component); + helpers_segment.callback(component['after' + camelMethod], [], component); + } + _getRegistryForType(type) { + for(let i = 0; i < this._typedRegistries.length; i++){ + const reg = this._typedRegistries[i]; + if (reg.isForType(type)) { + return reg; + } + } + return this.plugins; + } + _get(id, typedRegistry, type) { + const item = typedRegistry.get(id); + if (item === undefined) { + throw new Error('"' + id + '" is not a registered ' + type + '.'); + } + return item; + } +} +var registry = /* #__PURE__ */ new Registry(); + +class PluginService { + constructor(){ + this._init = []; + } + notify(chart, hook, args, filter) { + if (hook === 'beforeInit') { + this._init = this._createDescriptors(chart, true); + this._notify(this._init, chart, 'install'); + } + const descriptors = filter ? this._descriptors(chart).filter(filter) : this._descriptors(chart); + const result = this._notify(descriptors, chart, hook, args); + if (hook === 'afterDestroy') { + this._notify(descriptors, chart, 'stop'); + this._notify(this._init, chart, 'uninstall'); + } + return result; + } + _notify(descriptors, chart, hook, args) { + args = args || {}; + for (const descriptor of descriptors){ + const plugin = descriptor.plugin; + const method = plugin[hook]; + const params = [ + chart, + args, + descriptor.options + ]; + if (helpers_segment.callback(method, params, plugin) === false && args.cancelable) { + return false; + } + } + return true; + } + invalidate() { + if (!helpers_segment.isNullOrUndef(this._cache)) { + this._oldCache = this._cache; + this._cache = undefined; + } + } + _descriptors(chart) { + if (this._cache) { + return this._cache; + } + const descriptors = this._cache = this._createDescriptors(chart); + this._notifyStateChanges(chart); + return descriptors; + } + _createDescriptors(chart, all) { + const config = chart && chart.config; + const options = helpers_segment.valueOrDefault(config.options && config.options.plugins, {}); + const plugins = allPlugins(config); + return options === false && !all ? [] : createDescriptors(chart, plugins, options, all); + } + _notifyStateChanges(chart) { + const previousDescriptors = this._oldCache || []; + const descriptors = this._cache; + const diff = (a, b)=>a.filter((x)=>!b.some((y)=>x.plugin.id === y.plugin.id)); + this._notify(diff(previousDescriptors, descriptors), chart, 'stop'); + this._notify(diff(descriptors, previousDescriptors), chart, 'start'); + } +} + function allPlugins(config) { + const localIds = {}; + const plugins = []; + const keys = Object.keys(registry.plugins.items); + for(let i = 0; i < keys.length; i++){ + plugins.push(registry.getPlugin(keys[i])); + } + const local = config.plugins || []; + for(let i = 0; i < local.length; i++){ + const plugin = local[i]; + if (plugins.indexOf(plugin) === -1) { + plugins.push(plugin); + localIds[plugin.id] = true; + } + } + return { + plugins, + localIds + }; +} +function getOpts(options, all) { + if (!all && options === false) { + return null; + } + if (options === true) { + return {}; + } + return options; +} +function createDescriptors(chart, { plugins , localIds }, options, all) { + const result = []; + const context = chart.getContext(); + for (const plugin of plugins){ + const id = plugin.id; + const opts = getOpts(options[id], all); + if (opts === null) { + continue; + } + result.push({ + plugin, + options: pluginOpts(chart.config, { + plugin, + local: localIds[id] + }, opts, context) + }); + } + return result; +} +function pluginOpts(config, { plugin , local }, opts, context) { + const keys = config.pluginScopeKeys(plugin); + const scopes = config.getOptionScopes(opts, keys); + if (local && plugin.defaults) { + scopes.push(plugin.defaults); + } + return config.createResolver(scopes, context, [ + '' + ], { + scriptable: false, + indexable: false, + allKeys: true + }); +} + +function getIndexAxis(type, options) { + const datasetDefaults = helpers_segment.defaults.datasets[type] || {}; + const datasetOptions = (options.datasets || {})[type] || {}; + return datasetOptions.indexAxis || options.indexAxis || datasetDefaults.indexAxis || 'x'; +} +function getAxisFromDefaultScaleID(id, indexAxis) { + let axis = id; + if (id === '_index_') { + axis = indexAxis; + } else if (id === '_value_') { + axis = indexAxis === 'x' ? 'y' : 'x'; + } + return axis; +} +function getDefaultScaleIDFromAxis(axis, indexAxis) { + return axis === indexAxis ? '_index_' : '_value_'; +} +function idMatchesAxis(id) { + if (id === 'x' || id === 'y' || id === 'r') { + return id; + } +} +function axisFromPosition(position) { + if (position === 'top' || position === 'bottom') { + return 'x'; + } + if (position === 'left' || position === 'right') { + return 'y'; + } +} +function determineAxis(id, ...scaleOptions) { + if (idMatchesAxis(id)) { + return id; + } + for (const opts of scaleOptions){ + const axis = opts.axis || axisFromPosition(opts.position) || id.length > 1 && idMatchesAxis(id[0].toLowerCase()); + if (axis) { + return axis; + } + } + throw new Error(`Cannot determine type of '${id}' axis. Please provide 'axis' or 'position' option.`); +} +function getAxisFromDataset(id, axis, dataset) { + if (dataset[axis + 'AxisID'] === id) { + return { + axis + }; + } +} +function retrieveAxisFromDatasets(id, config) { + if (config.data && config.data.datasets) { + const boundDs = config.data.datasets.filter((d)=>d.xAxisID === id || d.yAxisID === id); + if (boundDs.length) { + return getAxisFromDataset(id, 'x', boundDs[0]) || getAxisFromDataset(id, 'y', boundDs[0]); + } + } + return {}; +} +function mergeScaleConfig(config, options) { + const chartDefaults = helpers_segment.overrides[config.type] || { + scales: {} + }; + const configScales = options.scales || {}; + const chartIndexAxis = getIndexAxis(config.type, options); + const scales = Object.create(null); + Object.keys(configScales).forEach((id)=>{ + const scaleConf = configScales[id]; + if (!helpers_segment.isObject(scaleConf)) { + return console.error(`Invalid scale configuration for scale: ${id}`); + } + if (scaleConf._proxy) { + return console.warn(`Ignoring resolver passed as options for scale: ${id}`); + } + const axis = determineAxis(id, scaleConf, retrieveAxisFromDatasets(id, config), helpers_segment.defaults.scales[scaleConf.type]); + const defaultId = getDefaultScaleIDFromAxis(axis, chartIndexAxis); + const defaultScaleOptions = chartDefaults.scales || {}; + scales[id] = helpers_segment.mergeIf(Object.create(null), [ + { + axis + }, + scaleConf, + defaultScaleOptions[axis], + defaultScaleOptions[defaultId] + ]); + }); + config.data.datasets.forEach((dataset)=>{ + const type = dataset.type || config.type; + const indexAxis = dataset.indexAxis || getIndexAxis(type, options); + const datasetDefaults = helpers_segment.overrides[type] || {}; + const defaultScaleOptions = datasetDefaults.scales || {}; + Object.keys(defaultScaleOptions).forEach((defaultID)=>{ + const axis = getAxisFromDefaultScaleID(defaultID, indexAxis); + const id = dataset[axis + 'AxisID'] || axis; + scales[id] = scales[id] || Object.create(null); + helpers_segment.mergeIf(scales[id], [ + { + axis + }, + configScales[id], + defaultScaleOptions[defaultID] + ]); + }); + }); + Object.keys(scales).forEach((key)=>{ + const scale = scales[key]; + helpers_segment.mergeIf(scale, [ + helpers_segment.defaults.scales[scale.type], + helpers_segment.defaults.scale + ]); + }); + return scales; +} +function initOptions(config) { + const options = config.options || (config.options = {}); + options.plugins = helpers_segment.valueOrDefault(options.plugins, {}); + options.scales = mergeScaleConfig(config, options); +} +function initData(data) { + data = data || {}; + data.datasets = data.datasets || []; + data.labels = data.labels || []; + return data; +} +function initConfig(config) { + config = config || {}; + config.data = initData(config.data); + initOptions(config); + return config; +} +const keyCache = new Map(); +const keysCached = new Set(); +function cachedKeys(cacheKey, generate) { + let keys = keyCache.get(cacheKey); + if (!keys) { + keys = generate(); + keyCache.set(cacheKey, keys); + keysCached.add(keys); + } + return keys; +} +const addIfFound = (set, obj, key)=>{ + const opts = helpers_segment.resolveObjectKey(obj, key); + if (opts !== undefined) { + set.add(opts); + } +}; +class Config { + constructor(config){ + this._config = initConfig(config); + this._scopeCache = new Map(); + this._resolverCache = new Map(); + } + get platform() { + return this._config.platform; + } + get type() { + return this._config.type; + } + set type(type) { + this._config.type = type; + } + get data() { + return this._config.data; + } + set data(data) { + this._config.data = initData(data); + } + get options() { + return this._config.options; + } + set options(options) { + this._config.options = options; + } + get plugins() { + return this._config.plugins; + } + update() { + const config = this._config; + this.clearCache(); + initOptions(config); + } + clearCache() { + this._scopeCache.clear(); + this._resolverCache.clear(); + } + datasetScopeKeys(datasetType) { + return cachedKeys(datasetType, ()=>[ + [ + `datasets.${datasetType}`, + '' + ] + ]); + } + datasetAnimationScopeKeys(datasetType, transition) { + return cachedKeys(`${datasetType}.transition.${transition}`, ()=>[ + [ + `datasets.${datasetType}.transitions.${transition}`, + `transitions.${transition}` + ], + [ + `datasets.${datasetType}`, + '' + ] + ]); + } + datasetElementScopeKeys(datasetType, elementType) { + return cachedKeys(`${datasetType}-${elementType}`, ()=>[ + [ + `datasets.${datasetType}.elements.${elementType}`, + `datasets.${datasetType}`, + `elements.${elementType}`, + '' + ] + ]); + } + pluginScopeKeys(plugin) { + const id = plugin.id; + const type = this.type; + return cachedKeys(`${type}-plugin-${id}`, ()=>[ + [ + `plugins.${id}`, + ...plugin.additionalOptionScopes || [] + ] + ]); + } + _cachedScopes(mainScope, resetCache) { + const _scopeCache = this._scopeCache; + let cache = _scopeCache.get(mainScope); + if (!cache || resetCache) { + cache = new Map(); + _scopeCache.set(mainScope, cache); + } + return cache; + } + getOptionScopes(mainScope, keyLists, resetCache) { + const { options , type } = this; + const cache = this._cachedScopes(mainScope, resetCache); + const cached = cache.get(keyLists); + if (cached) { + return cached; + } + const scopes = new Set(); + keyLists.forEach((keys)=>{ + if (mainScope) { + scopes.add(mainScope); + keys.forEach((key)=>addIfFound(scopes, mainScope, key)); + } + keys.forEach((key)=>addIfFound(scopes, options, key)); + keys.forEach((key)=>addIfFound(scopes, helpers_segment.overrides[type] || {}, key)); + keys.forEach((key)=>addIfFound(scopes, helpers_segment.defaults, key)); + keys.forEach((key)=>addIfFound(scopes, helpers_segment.descriptors, key)); + }); + const array = Array.from(scopes); + if (array.length === 0) { + array.push(Object.create(null)); + } + if (keysCached.has(keyLists)) { + cache.set(keyLists, array); + } + return array; + } + chartOptionScopes() { + const { options , type } = this; + return [ + options, + helpers_segment.overrides[type] || {}, + helpers_segment.defaults.datasets[type] || {}, + { + type + }, + helpers_segment.defaults, + helpers_segment.descriptors + ]; + } + resolveNamedOptions(scopes, names, context, prefixes = [ + '' + ]) { + const result = { + $shared: true + }; + const { resolver , subPrefixes } = getResolver(this._resolverCache, scopes, prefixes); + let options = resolver; + if (needContext(resolver, names)) { + result.$shared = false; + context = helpers_segment.isFunction(context) ? context() : context; + const subResolver = this.createResolver(scopes, context, subPrefixes); + options = helpers_segment._attachContext(resolver, context, subResolver); + } + for (const prop of names){ + result[prop] = options[prop]; + } + return result; + } + createResolver(scopes, context, prefixes = [ + '' + ], descriptorDefaults) { + const { resolver } = getResolver(this._resolverCache, scopes, prefixes); + return helpers_segment.isObject(context) ? helpers_segment._attachContext(resolver, context, undefined, descriptorDefaults) : resolver; + } +} +function getResolver(resolverCache, scopes, prefixes) { + let cache = resolverCache.get(scopes); + if (!cache) { + cache = new Map(); + resolverCache.set(scopes, cache); + } + const cacheKey = prefixes.join(); + let cached = cache.get(cacheKey); + if (!cached) { + const resolver = helpers_segment._createResolver(scopes, prefixes); + cached = { + resolver, + subPrefixes: prefixes.filter((p)=>!p.toLowerCase().includes('hover')) + }; + cache.set(cacheKey, cached); + } + return cached; +} +const hasFunction = (value)=>helpers_segment.isObject(value) && Object.getOwnPropertyNames(value).reduce((acc, key)=>acc || helpers_segment.isFunction(value[key]), false); +function needContext(proxy, names) { + const { isScriptable , isIndexable } = helpers_segment._descriptors(proxy); + for (const prop of names){ + const scriptable = isScriptable(prop); + const indexable = isIndexable(prop); + const value = (indexable || scriptable) && proxy[prop]; + if (scriptable && (helpers_segment.isFunction(value) || hasFunction(value)) || indexable && helpers_segment.isArray(value)) { + return true; + } + } + return false; +} + +var version = "4.4.0"; + +const KNOWN_POSITIONS = [ + 'top', + 'bottom', + 'left', + 'right', + 'chartArea' +]; +function positionIsHorizontal(position, axis) { + return position === 'top' || position === 'bottom' || KNOWN_POSITIONS.indexOf(position) === -1 && axis === 'x'; +} +function compare2Level(l1, l2) { + return function(a, b) { + return a[l1] === b[l1] ? a[l2] - b[l2] : a[l1] - b[l1]; + }; +} +function onAnimationsComplete(context) { + const chart = context.chart; + const animationOptions = chart.options.animation; + chart.notifyPlugins('afterRender'); + helpers_segment.callback(animationOptions && animationOptions.onComplete, [ + context + ], chart); +} +function onAnimationProgress(context) { + const chart = context.chart; + const animationOptions = chart.options.animation; + helpers_segment.callback(animationOptions && animationOptions.onProgress, [ + context + ], chart); +} + function getCanvas(item) { + if (helpers_segment._isDomSupported() && typeof item === 'string') { + item = document.getElementById(item); + } else if (item && item.length) { + item = item[0]; + } + if (item && item.canvas) { + item = item.canvas; + } + return item; +} +const instances = {}; +const getChart = (key)=>{ + const canvas = getCanvas(key); + return Object.values(instances).filter((c)=>c.canvas === canvas).pop(); +}; +function moveNumericKeys(obj, start, move) { + const keys = Object.keys(obj); + for (const key of keys){ + const intKey = +key; + if (intKey >= start) { + const value = obj[key]; + delete obj[key]; + if (move > 0 || intKey > start) { + obj[intKey + move] = value; + } + } + } +} + function determineLastEvent(e, lastEvent, inChartArea, isClick) { + if (!inChartArea || e.type === 'mouseout') { + return null; + } + if (isClick) { + return lastEvent; + } + return e; +} +function getSizeForArea(scale, chartArea, field) { + return scale.options.clip ? scale[field] : chartArea[field]; +} +function getDatasetArea(meta, chartArea) { + const { xScale , yScale } = meta; + if (xScale && yScale) { + return { + left: getSizeForArea(xScale, chartArea, 'left'), + right: getSizeForArea(xScale, chartArea, 'right'), + top: getSizeForArea(yScale, chartArea, 'top'), + bottom: getSizeForArea(yScale, chartArea, 'bottom') + }; + } + return chartArea; +} +class Chart { + static defaults = helpers_segment.defaults; + static instances = instances; + static overrides = helpers_segment.overrides; + static registry = registry; + static version = version; + static getChart = getChart; + static register(...items) { + registry.add(...items); + invalidatePlugins(); + } + static unregister(...items) { + registry.remove(...items); + invalidatePlugins(); + } + constructor(item, userConfig){ + const config = this.config = new Config(userConfig); + const initialCanvas = getCanvas(item); + const existingChart = getChart(initialCanvas); + if (existingChart) { + throw new Error('Canvas is already in use. Chart with ID \'' + existingChart.id + '\'' + ' must be destroyed before the canvas with ID \'' + existingChart.canvas.id + '\' can be reused.'); + } + const options = config.createResolver(config.chartOptionScopes(), this.getContext()); + this.platform = new (config.platform || _detectPlatform(initialCanvas))(); + this.platform.updateConfig(config); + const context = this.platform.acquireContext(initialCanvas, options.aspectRatio); + const canvas = context && context.canvas; + const height = canvas && canvas.height; + const width = canvas && canvas.width; + this.id = helpers_segment.uid(); + this.ctx = context; + this.canvas = canvas; + this.width = width; + this.height = height; + this._options = options; + this._aspectRatio = this.aspectRatio; + this._layers = []; + this._metasets = []; + this._stacks = undefined; + this.boxes = []; + this.currentDevicePixelRatio = undefined; + this.chartArea = undefined; + this._active = []; + this._lastEvent = undefined; + this._listeners = {}; + this._responsiveListeners = undefined; + this._sortedMetasets = []; + this.scales = {}; + this._plugins = new PluginService(); + this.$proxies = {}; + this._hiddenIndices = {}; + this.attached = false; + this._animationsDisabled = undefined; + this.$context = undefined; + this._doResize = helpers_segment.debounce((mode)=>this.update(mode), options.resizeDelay || 0); + this._dataChanges = []; + instances[this.id] = this; + if (!context || !canvas) { + console.error("Failed to create chart: can't acquire context from the given item"); + return; + } + animator.listen(this, 'complete', onAnimationsComplete); + animator.listen(this, 'progress', onAnimationProgress); + this._initialize(); + if (this.attached) { + this.update(); + } + } + get aspectRatio() { + const { options: { aspectRatio , maintainAspectRatio } , width , height , _aspectRatio } = this; + if (!helpers_segment.isNullOrUndef(aspectRatio)) { + return aspectRatio; + } + if (maintainAspectRatio && _aspectRatio) { + return _aspectRatio; + } + return height ? width / height : null; + } + get data() { + return this.config.data; + } + set data(data) { + this.config.data = data; + } + get options() { + return this._options; + } + set options(options) { + this.config.options = options; + } + get registry() { + return registry; + } + _initialize() { + this.notifyPlugins('beforeInit'); + if (this.options.responsive) { + this.resize(); + } else { + helpers_segment.retinaScale(this, this.options.devicePixelRatio); + } + this.bindEvents(); + this.notifyPlugins('afterInit'); + return this; + } + clear() { + helpers_segment.clearCanvas(this.canvas, this.ctx); + return this; + } + stop() { + animator.stop(this); + return this; + } + resize(width, height) { + if (!animator.running(this)) { + this._resize(width, height); + } else { + this._resizeBeforeDraw = { + width, + height + }; + } + } + _resize(width, height) { + const options = this.options; + const canvas = this.canvas; + const aspectRatio = options.maintainAspectRatio && this.aspectRatio; + const newSize = this.platform.getMaximumSize(canvas, width, height, aspectRatio); + const newRatio = options.devicePixelRatio || this.platform.getDevicePixelRatio(); + const mode = this.width ? 'resize' : 'attach'; + this.width = newSize.width; + this.height = newSize.height; + this._aspectRatio = this.aspectRatio; + if (!helpers_segment.retinaScale(this, newRatio, true)) { + return; + } + this.notifyPlugins('resize', { + size: newSize + }); + helpers_segment.callback(options.onResize, [ + this, + newSize + ], this); + if (this.attached) { + if (this._doResize(mode)) { + this.render(); + } + } + } + ensureScalesHaveIDs() { + const options = this.options; + const scalesOptions = options.scales || {}; + helpers_segment.each(scalesOptions, (axisOptions, axisID)=>{ + axisOptions.id = axisID; + }); + } + buildOrUpdateScales() { + const options = this.options; + const scaleOpts = options.scales; + const scales = this.scales; + const updated = Object.keys(scales).reduce((obj, id)=>{ + obj[id] = false; + return obj; + }, {}); + let items = []; + if (scaleOpts) { + items = items.concat(Object.keys(scaleOpts).map((id)=>{ + const scaleOptions = scaleOpts[id]; + const axis = determineAxis(id, scaleOptions); + const isRadial = axis === 'r'; + const isHorizontal = axis === 'x'; + return { + options: scaleOptions, + dposition: isRadial ? 'chartArea' : isHorizontal ? 'bottom' : 'left', + dtype: isRadial ? 'radialLinear' : isHorizontal ? 'category' : 'linear' + }; + })); + } + helpers_segment.each(items, (item)=>{ + const scaleOptions = item.options; + const id = scaleOptions.id; + const axis = determineAxis(id, scaleOptions); + const scaleType = helpers_segment.valueOrDefault(scaleOptions.type, item.dtype); + if (scaleOptions.position === undefined || positionIsHorizontal(scaleOptions.position, axis) !== positionIsHorizontal(item.dposition)) { + scaleOptions.position = item.dposition; + } + updated[id] = true; + let scale = null; + if (id in scales && scales[id].type === scaleType) { + scale = scales[id]; + } else { + const scaleClass = registry.getScale(scaleType); + scale = new scaleClass({ + id, + type: scaleType, + ctx: this.ctx, + chart: this + }); + scales[scale.id] = scale; + } + scale.init(scaleOptions, options); + }); + helpers_segment.each(updated, (hasUpdated, id)=>{ + if (!hasUpdated) { + delete scales[id]; + } + }); + helpers_segment.each(scales, (scale)=>{ + layouts.configure(this, scale, scale.options); + layouts.addBox(this, scale); + }); + } + _updateMetasets() { + const metasets = this._metasets; + const numData = this.data.datasets.length; + const numMeta = metasets.length; + metasets.sort((a, b)=>a.index - b.index); + if (numMeta > numData) { + for(let i = numData; i < numMeta; ++i){ + this._destroyDatasetMeta(i); + } + metasets.splice(numData, numMeta - numData); + } + this._sortedMetasets = metasets.slice(0).sort(compare2Level('order', 'index')); + } + _removeUnreferencedMetasets() { + const { _metasets: metasets , data: { datasets } } = this; + if (metasets.length > datasets.length) { + delete this._stacks; + } + metasets.forEach((meta, index)=>{ + if (datasets.filter((x)=>x === meta._dataset).length === 0) { + this._destroyDatasetMeta(index); + } + }); + } + buildOrUpdateControllers() { + const newControllers = []; + const datasets = this.data.datasets; + let i, ilen; + this._removeUnreferencedMetasets(); + for(i = 0, ilen = datasets.length; i < ilen; i++){ + const dataset = datasets[i]; + let meta = this.getDatasetMeta(i); + const type = dataset.type || this.config.type; + if (meta.type && meta.type !== type) { + this._destroyDatasetMeta(i); + meta = this.getDatasetMeta(i); + } + meta.type = type; + meta.indexAxis = dataset.indexAxis || getIndexAxis(type, this.options); + meta.order = dataset.order || 0; + meta.index = i; + meta.label = '' + dataset.label; + meta.visible = this.isDatasetVisible(i); + if (meta.controller) { + meta.controller.updateIndex(i); + meta.controller.linkScales(); + } else { + const ControllerClass = registry.getController(type); + const { datasetElementType , dataElementType } = helpers_segment.defaults.datasets[type]; + Object.assign(ControllerClass, { + dataElementType: registry.getElement(dataElementType), + datasetElementType: datasetElementType && registry.getElement(datasetElementType) + }); + meta.controller = new ControllerClass(this, i); + newControllers.push(meta.controller); + } + } + this._updateMetasets(); + return newControllers; + } + _resetElements() { + helpers_segment.each(this.data.datasets, (dataset, datasetIndex)=>{ + this.getDatasetMeta(datasetIndex).controller.reset(); + }, this); + } + reset() { + this._resetElements(); + this.notifyPlugins('reset'); + } + update(mode) { + const config = this.config; + config.update(); + const options = this._options = config.createResolver(config.chartOptionScopes(), this.getContext()); + const animsDisabled = this._animationsDisabled = !options.animation; + this._updateScales(); + this._checkEventBindings(); + this._updateHiddenIndices(); + this._plugins.invalidate(); + if (this.notifyPlugins('beforeUpdate', { + mode, + cancelable: true + }) === false) { + return; + } + const newControllers = this.buildOrUpdateControllers(); + this.notifyPlugins('beforeElementsUpdate'); + let minPadding = 0; + for(let i = 0, ilen = this.data.datasets.length; i < ilen; i++){ + const { controller } = this.getDatasetMeta(i); + const reset = !animsDisabled && newControllers.indexOf(controller) === -1; + controller.buildOrUpdateElements(reset); + minPadding = Math.max(+controller.getMaxOverflow(), minPadding); + } + minPadding = this._minPadding = options.layout.autoPadding ? minPadding : 0; + this._updateLayout(minPadding); + if (!animsDisabled) { + helpers_segment.each(newControllers, (controller)=>{ + controller.reset(); + }); + } + this._updateDatasets(mode); + this.notifyPlugins('afterUpdate', { + mode + }); + this._layers.sort(compare2Level('z', '_idx')); + const { _active , _lastEvent } = this; + if (_lastEvent) { + this._eventHandler(_lastEvent, true); + } else if (_active.length) { + this._updateHoverStyles(_active, _active, true); + } + this.render(); + } + _updateScales() { + helpers_segment.each(this.scales, (scale)=>{ + layouts.removeBox(this, scale); + }); + this.ensureScalesHaveIDs(); + this.buildOrUpdateScales(); + } + _checkEventBindings() { + const options = this.options; + const existingEvents = new Set(Object.keys(this._listeners)); + const newEvents = new Set(options.events); + if (!helpers_segment.setsEqual(existingEvents, newEvents) || !!this._responsiveListeners !== options.responsive) { + this.unbindEvents(); + this.bindEvents(); + } + } + _updateHiddenIndices() { + const { _hiddenIndices } = this; + const changes = this._getUniformDataChanges() || []; + for (const { method , start , count } of changes){ + const move = method === '_removeElements' ? -count : count; + moveNumericKeys(_hiddenIndices, start, move); + } + } + _getUniformDataChanges() { + const _dataChanges = this._dataChanges; + if (!_dataChanges || !_dataChanges.length) { + return; + } + this._dataChanges = []; + const datasetCount = this.data.datasets.length; + const makeSet = (idx)=>new Set(_dataChanges.filter((c)=>c[0] === idx).map((c, i)=>i + ',' + c.splice(1).join(','))); + const changeSet = makeSet(0); + for(let i = 1; i < datasetCount; i++){ + if (!helpers_segment.setsEqual(changeSet, makeSet(i))) { + return; + } + } + return Array.from(changeSet).map((c)=>c.split(',')).map((a)=>({ + method: a[1], + start: +a[2], + count: +a[3] + })); + } + _updateLayout(minPadding) { + if (this.notifyPlugins('beforeLayout', { + cancelable: true + }) === false) { + return; + } + layouts.update(this, this.width, this.height, minPadding); + const area = this.chartArea; + const noArea = area.width <= 0 || area.height <= 0; + this._layers = []; + helpers_segment.each(this.boxes, (box)=>{ + if (noArea && box.position === 'chartArea') { + return; + } + if (box.configure) { + box.configure(); + } + this._layers.push(...box._layers()); + }, this); + this._layers.forEach((item, index)=>{ + item._idx = index; + }); + this.notifyPlugins('afterLayout'); + } + _updateDatasets(mode) { + if (this.notifyPlugins('beforeDatasetsUpdate', { + mode, + cancelable: true + }) === false) { + return; + } + for(let i = 0, ilen = this.data.datasets.length; i < ilen; ++i){ + this.getDatasetMeta(i).controller.configure(); + } + for(let i = 0, ilen = this.data.datasets.length; i < ilen; ++i){ + this._updateDataset(i, helpers_segment.isFunction(mode) ? mode({ + datasetIndex: i + }) : mode); + } + this.notifyPlugins('afterDatasetsUpdate', { + mode + }); + } + _updateDataset(index, mode) { + const meta = this.getDatasetMeta(index); + const args = { + meta, + index, + mode, + cancelable: true + }; + if (this.notifyPlugins('beforeDatasetUpdate', args) === false) { + return; + } + meta.controller._update(mode); + args.cancelable = false; + this.notifyPlugins('afterDatasetUpdate', args); + } + render() { + if (this.notifyPlugins('beforeRender', { + cancelable: true + }) === false) { + return; + } + if (animator.has(this)) { + if (this.attached && !animator.running(this)) { + animator.start(this); + } + } else { + this.draw(); + onAnimationsComplete({ + chart: this + }); + } + } + draw() { + let i; + if (this._resizeBeforeDraw) { + const { width , height } = this._resizeBeforeDraw; + this._resize(width, height); + this._resizeBeforeDraw = null; + } + this.clear(); + if (this.width <= 0 || this.height <= 0) { + return; + } + if (this.notifyPlugins('beforeDraw', { + cancelable: true + }) === false) { + return; + } + const layers = this._layers; + for(i = 0; i < layers.length && layers[i].z <= 0; ++i){ + layers[i].draw(this.chartArea); + } + this._drawDatasets(); + for(; i < layers.length; ++i){ + layers[i].draw(this.chartArea); + } + this.notifyPlugins('afterDraw'); + } + _getSortedDatasetMetas(filterVisible) { + const metasets = this._sortedMetasets; + const result = []; + let i, ilen; + for(i = 0, ilen = metasets.length; i < ilen; ++i){ + const meta = metasets[i]; + if (!filterVisible || meta.visible) { + result.push(meta); + } + } + return result; + } + getSortedVisibleDatasetMetas() { + return this._getSortedDatasetMetas(true); + } + _drawDatasets() { + if (this.notifyPlugins('beforeDatasetsDraw', { + cancelable: true + }) === false) { + return; + } + const metasets = this.getSortedVisibleDatasetMetas(); + for(let i = metasets.length - 1; i >= 0; --i){ + this._drawDataset(metasets[i]); + } + this.notifyPlugins('afterDatasetsDraw'); + } + _drawDataset(meta) { + const ctx = this.ctx; + const clip = meta._clip; + const useClip = !clip.disabled; + const area = getDatasetArea(meta, this.chartArea); + const args = { + meta, + index: meta.index, + cancelable: true + }; + if (this.notifyPlugins('beforeDatasetDraw', args) === false) { + return; + } + if (useClip) { + helpers_segment.clipArea(ctx, { + left: clip.left === false ? 0 : area.left - clip.left, + right: clip.right === false ? this.width : area.right + clip.right, + top: clip.top === false ? 0 : area.top - clip.top, + bottom: clip.bottom === false ? this.height : area.bottom + clip.bottom + }); + } + meta.controller.draw(); + if (useClip) { + helpers_segment.unclipArea(ctx); + } + args.cancelable = false; + this.notifyPlugins('afterDatasetDraw', args); + } + isPointInArea(point) { + return helpers_segment._isPointInArea(point, this.chartArea, this._minPadding); + } + getElementsAtEventForMode(e, mode, options, useFinalPosition) { + const method = Interaction.modes[mode]; + if (typeof method === 'function') { + return method(this, e, options, useFinalPosition); + } + return []; + } + getDatasetMeta(datasetIndex) { + const dataset = this.data.datasets[datasetIndex]; + const metasets = this._metasets; + let meta = metasets.filter((x)=>x && x._dataset === dataset).pop(); + if (!meta) { + meta = { + type: null, + data: [], + dataset: null, + controller: null, + hidden: null, + xAxisID: null, + yAxisID: null, + order: dataset && dataset.order || 0, + index: datasetIndex, + _dataset: dataset, + _parsed: [], + _sorted: false + }; + metasets.push(meta); + } + return meta; + } + getContext() { + return this.$context || (this.$context = helpers_segment.createContext(null, { + chart: this, + type: 'chart' + })); + } + getVisibleDatasetCount() { + return this.getSortedVisibleDatasetMetas().length; + } + isDatasetVisible(datasetIndex) { + const dataset = this.data.datasets[datasetIndex]; + if (!dataset) { + return false; + } + const meta = this.getDatasetMeta(datasetIndex); + return typeof meta.hidden === 'boolean' ? !meta.hidden : !dataset.hidden; + } + setDatasetVisibility(datasetIndex, visible) { + const meta = this.getDatasetMeta(datasetIndex); + meta.hidden = !visible; + } + toggleDataVisibility(index) { + this._hiddenIndices[index] = !this._hiddenIndices[index]; + } + getDataVisibility(index) { + return !this._hiddenIndices[index]; + } + _updateVisibility(datasetIndex, dataIndex, visible) { + const mode = visible ? 'show' : 'hide'; + const meta = this.getDatasetMeta(datasetIndex); + const anims = meta.controller._resolveAnimations(undefined, mode); + if (helpers_segment.defined(dataIndex)) { + meta.data[dataIndex].hidden = !visible; + this.update(); + } else { + this.setDatasetVisibility(datasetIndex, visible); + anims.update(meta, { + visible + }); + this.update((ctx)=>ctx.datasetIndex === datasetIndex ? mode : undefined); + } + } + hide(datasetIndex, dataIndex) { + this._updateVisibility(datasetIndex, dataIndex, false); + } + show(datasetIndex, dataIndex) { + this._updateVisibility(datasetIndex, dataIndex, true); + } + _destroyDatasetMeta(datasetIndex) { + const meta = this._metasets[datasetIndex]; + if (meta && meta.controller) { + meta.controller._destroy(); + } + delete this._metasets[datasetIndex]; + } + _stop() { + let i, ilen; + this.stop(); + animator.remove(this); + for(i = 0, ilen = this.data.datasets.length; i < ilen; ++i){ + this._destroyDatasetMeta(i); + } + } + destroy() { + this.notifyPlugins('beforeDestroy'); + const { canvas , ctx } = this; + this._stop(); + this.config.clearCache(); + if (canvas) { + this.unbindEvents(); + helpers_segment.clearCanvas(canvas, ctx); + this.platform.releaseContext(ctx); + this.canvas = null; + this.ctx = null; + } + delete instances[this.id]; + this.notifyPlugins('afterDestroy'); + } + toBase64Image(...args) { + return this.canvas.toDataURL(...args); + } + bindEvents() { + this.bindUserEvents(); + if (this.options.responsive) { + this.bindResponsiveEvents(); + } else { + this.attached = true; + } + } + bindUserEvents() { + const listeners = this._listeners; + const platform = this.platform; + const _add = (type, listener)=>{ + platform.addEventListener(this, type, listener); + listeners[type] = listener; + }; + const listener = (e, x, y)=>{ + e.offsetX = x; + e.offsetY = y; + this._eventHandler(e); + }; + helpers_segment.each(this.options.events, (type)=>_add(type, listener)); + } + bindResponsiveEvents() { + if (!this._responsiveListeners) { + this._responsiveListeners = {}; + } + const listeners = this._responsiveListeners; + const platform = this.platform; + const _add = (type, listener)=>{ + platform.addEventListener(this, type, listener); + listeners[type] = listener; + }; + const _remove = (type, listener)=>{ + if (listeners[type]) { + platform.removeEventListener(this, type, listener); + delete listeners[type]; + } + }; + const listener = (width, height)=>{ + if (this.canvas) { + this.resize(width, height); + } + }; + let detached; + const attached = ()=>{ + _remove('attach', attached); + this.attached = true; + this.resize(); + _add('resize', listener); + _add('detach', detached); + }; + detached = ()=>{ + this.attached = false; + _remove('resize', listener); + this._stop(); + this._resize(0, 0); + _add('attach', attached); + }; + if (platform.isAttached(this.canvas)) { + attached(); + } else { + detached(); + } + } + unbindEvents() { + helpers_segment.each(this._listeners, (listener, type)=>{ + this.platform.removeEventListener(this, type, listener); + }); + this._listeners = {}; + helpers_segment.each(this._responsiveListeners, (listener, type)=>{ + this.platform.removeEventListener(this, type, listener); + }); + this._responsiveListeners = undefined; + } + updateHoverStyle(items, mode, enabled) { + const prefix = enabled ? 'set' : 'remove'; + let meta, item, i, ilen; + if (mode === 'dataset') { + meta = this.getDatasetMeta(items[0].datasetIndex); + meta.controller['_' + prefix + 'DatasetHoverStyle'](); + } + for(i = 0, ilen = items.length; i < ilen; ++i){ + item = items[i]; + const controller = item && this.getDatasetMeta(item.datasetIndex).controller; + if (controller) { + controller[prefix + 'HoverStyle'](item.element, item.datasetIndex, item.index); + } + } + } + getActiveElements() { + return this._active || []; + } + setActiveElements(activeElements) { + const lastActive = this._active || []; + const active = activeElements.map(({ datasetIndex , index })=>{ + const meta = this.getDatasetMeta(datasetIndex); + if (!meta) { + throw new Error('No dataset found at index ' + datasetIndex); + } + return { + datasetIndex, + element: meta.data[index], + index + }; + }); + const changed = !helpers_segment._elementsEqual(active, lastActive); + if (changed) { + this._active = active; + this._lastEvent = null; + this._updateHoverStyles(active, lastActive); + } + } + notifyPlugins(hook, args, filter) { + return this._plugins.notify(this, hook, args, filter); + } + isPluginEnabled(pluginId) { + return this._plugins._cache.filter((p)=>p.plugin.id === pluginId).length === 1; + } + _updateHoverStyles(active, lastActive, replay) { + const hoverOptions = this.options.hover; + const diff = (a, b)=>a.filter((x)=>!b.some((y)=>x.datasetIndex === y.datasetIndex && x.index === y.index)); + const deactivated = diff(lastActive, active); + const activated = replay ? active : diff(active, lastActive); + if (deactivated.length) { + this.updateHoverStyle(deactivated, hoverOptions.mode, false); + } + if (activated.length && hoverOptions.mode) { + this.updateHoverStyle(activated, hoverOptions.mode, true); + } + } + _eventHandler(e, replay) { + const args = { + event: e, + replay, + cancelable: true, + inChartArea: this.isPointInArea(e) + }; + const eventFilter = (plugin)=>(plugin.options.events || this.options.events).includes(e.native.type); + if (this.notifyPlugins('beforeEvent', args, eventFilter) === false) { + return; + } + const changed = this._handleEvent(e, replay, args.inChartArea); + args.cancelable = false; + this.notifyPlugins('afterEvent', args, eventFilter); + if (changed || args.changed) { + this.render(); + } + return this; + } + _handleEvent(e, replay, inChartArea) { + const { _active: lastActive = [] , options } = this; + const useFinalPosition = replay; + const active = this._getActiveElements(e, lastActive, inChartArea, useFinalPosition); + const isClick = helpers_segment._isClickEvent(e); + const lastEvent = determineLastEvent(e, this._lastEvent, inChartArea, isClick); + if (inChartArea) { + this._lastEvent = null; + helpers_segment.callback(options.onHover, [ + e, + active, + this + ], this); + if (isClick) { + helpers_segment.callback(options.onClick, [ + e, + active, + this + ], this); + } + } + const changed = !helpers_segment._elementsEqual(active, lastActive); + if (changed || replay) { + this._active = active; + this._updateHoverStyles(active, lastActive, replay); + } + this._lastEvent = lastEvent; + return changed; + } + _getActiveElements(e, lastActive, inChartArea, useFinalPosition) { + if (e.type === 'mouseout') { + return []; + } + if (!inChartArea) { + return lastActive; + } + const hoverOptions = this.options.hover; + return this.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions, useFinalPosition); + } +} +function invalidatePlugins() { + return helpers_segment.each(Chart.instances, (chart)=>chart._plugins.invalidate()); +} + +function clipArc(ctx, element, endAngle) { + const { startAngle , pixelMargin , x , y , outerRadius , innerRadius } = element; + let angleMargin = pixelMargin / outerRadius; + // Draw an inner border by clipping the arc and drawing a double-width border + // Enlarge the clipping arc by 0.33 pixels to eliminate glitches between borders + ctx.beginPath(); + ctx.arc(x, y, outerRadius, startAngle - angleMargin, endAngle + angleMargin); + if (innerRadius > pixelMargin) { + angleMargin = pixelMargin / innerRadius; + ctx.arc(x, y, innerRadius, endAngle + angleMargin, startAngle - angleMargin, true); + } else { + ctx.arc(x, y, pixelMargin, endAngle + helpers_segment.HALF_PI, startAngle - helpers_segment.HALF_PI); + } + ctx.closePath(); + ctx.clip(); +} +function toRadiusCorners(value) { + return helpers_segment._readValueToProps(value, [ + 'outerStart', + 'outerEnd', + 'innerStart', + 'innerEnd' + ]); +} +/** + * Parse border radius from the provided options + */ function parseBorderRadius$1(arc, innerRadius, outerRadius, angleDelta) { + const o = toRadiusCorners(arc.options.borderRadius); + const halfThickness = (outerRadius - innerRadius) / 2; + const innerLimit = Math.min(halfThickness, angleDelta * innerRadius / 2); + // Outer limits are complicated. We want to compute the available angular distance at + // a radius of outerRadius - borderRadius because for small angular distances, this term limits. + // We compute at r = outerRadius - borderRadius because this circle defines the center of the border corners. + // + // If the borderRadius is large, that value can become negative. + // This causes the outer borders to lose their radius entirely, which is rather unexpected. To solve that, if borderRadius > outerRadius + // we know that the thickness term will dominate and compute the limits at that point + const computeOuterLimit = (val)=>{ + const outerArcLimit = (outerRadius - Math.min(halfThickness, val)) * angleDelta / 2; + return helpers_segment._limitValue(val, 0, Math.min(halfThickness, outerArcLimit)); + }; + return { + outerStart: computeOuterLimit(o.outerStart), + outerEnd: computeOuterLimit(o.outerEnd), + innerStart: helpers_segment._limitValue(o.innerStart, 0, innerLimit), + innerEnd: helpers_segment._limitValue(o.innerEnd, 0, innerLimit) + }; +} +/** + * Convert (r, 𝜃) to (x, y) + */ function rThetaToXY(r, theta, x, y) { + return { + x: x + r * Math.cos(theta), + y: y + r * Math.sin(theta) + }; +} +/** + * Path the arc, respecting border radius by separating into left and right halves. + * + * Start End + * + * 1--->a--->2 Outer + * / \ + * 8 3 + * | | + * | | + * 7 4 + * \ / + * 6<---b<---5 Inner + */ function pathArc(ctx, element, offset, spacing, end, circular) { + const { x , y , startAngle: start , pixelMargin , innerRadius: innerR } = element; + const outerRadius = Math.max(element.outerRadius + spacing + offset - pixelMargin, 0); + const innerRadius = innerR > 0 ? innerR + spacing + offset + pixelMargin : 0; + let spacingOffset = 0; + const alpha = end - start; + if (spacing) { + // When spacing is present, it is the same for all items + // So we adjust the start and end angle of the arc such that + // the distance is the same as it would be without the spacing + const noSpacingInnerRadius = innerR > 0 ? innerR - spacing : 0; + const noSpacingOuterRadius = outerRadius > 0 ? outerRadius - spacing : 0; + const avNogSpacingRadius = (noSpacingInnerRadius + noSpacingOuterRadius) / 2; + const adjustedAngle = avNogSpacingRadius !== 0 ? alpha * avNogSpacingRadius / (avNogSpacingRadius + spacing) : alpha; + spacingOffset = (alpha - adjustedAngle) / 2; + } + const beta = Math.max(0.001, alpha * outerRadius - offset / helpers_segment.PI) / outerRadius; + const angleOffset = (alpha - beta) / 2; + const startAngle = start + angleOffset + spacingOffset; + const endAngle = end - angleOffset - spacingOffset; + const { outerStart , outerEnd , innerStart , innerEnd } = parseBorderRadius$1(element, innerRadius, outerRadius, endAngle - startAngle); + const outerStartAdjustedRadius = outerRadius - outerStart; + const outerEndAdjustedRadius = outerRadius - outerEnd; + const outerStartAdjustedAngle = startAngle + outerStart / outerStartAdjustedRadius; + const outerEndAdjustedAngle = endAngle - outerEnd / outerEndAdjustedRadius; + const innerStartAdjustedRadius = innerRadius + innerStart; + const innerEndAdjustedRadius = innerRadius + innerEnd; + const innerStartAdjustedAngle = startAngle + innerStart / innerStartAdjustedRadius; + const innerEndAdjustedAngle = endAngle - innerEnd / innerEndAdjustedRadius; + ctx.beginPath(); + if (circular) { + // The first arc segments from point 1 to point a to point 2 + const outerMidAdjustedAngle = (outerStartAdjustedAngle + outerEndAdjustedAngle) / 2; + ctx.arc(x, y, outerRadius, outerStartAdjustedAngle, outerMidAdjustedAngle); + ctx.arc(x, y, outerRadius, outerMidAdjustedAngle, outerEndAdjustedAngle); + // The corner segment from point 2 to point 3 + if (outerEnd > 0) { + const pCenter = rThetaToXY(outerEndAdjustedRadius, outerEndAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, outerEnd, outerEndAdjustedAngle, endAngle + helpers_segment.HALF_PI); + } + // The line from point 3 to point 4 + const p4 = rThetaToXY(innerEndAdjustedRadius, endAngle, x, y); + ctx.lineTo(p4.x, p4.y); + // The corner segment from point 4 to point 5 + if (innerEnd > 0) { + const pCenter = rThetaToXY(innerEndAdjustedRadius, innerEndAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, innerEnd, endAngle + helpers_segment.HALF_PI, innerEndAdjustedAngle + Math.PI); + } + // The inner arc from point 5 to point b to point 6 + const innerMidAdjustedAngle = (endAngle - innerEnd / innerRadius + (startAngle + innerStart / innerRadius)) / 2; + ctx.arc(x, y, innerRadius, endAngle - innerEnd / innerRadius, innerMidAdjustedAngle, true); + ctx.arc(x, y, innerRadius, innerMidAdjustedAngle, startAngle + innerStart / innerRadius, true); + // The corner segment from point 6 to point 7 + if (innerStart > 0) { + const pCenter = rThetaToXY(innerStartAdjustedRadius, innerStartAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, innerStart, innerStartAdjustedAngle + Math.PI, startAngle - helpers_segment.HALF_PI); + } + // The line from point 7 to point 8 + const p8 = rThetaToXY(outerStartAdjustedRadius, startAngle, x, y); + ctx.lineTo(p8.x, p8.y); + // The corner segment from point 8 to point 1 + if (outerStart > 0) { + const pCenter = rThetaToXY(outerStartAdjustedRadius, outerStartAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, outerStart, startAngle - helpers_segment.HALF_PI, outerStartAdjustedAngle); + } + } else { + ctx.moveTo(x, y); + const outerStartX = Math.cos(outerStartAdjustedAngle) * outerRadius + x; + const outerStartY = Math.sin(outerStartAdjustedAngle) * outerRadius + y; + ctx.lineTo(outerStartX, outerStartY); + const outerEndX = Math.cos(outerEndAdjustedAngle) * outerRadius + x; + const outerEndY = Math.sin(outerEndAdjustedAngle) * outerRadius + y; + ctx.lineTo(outerEndX, outerEndY); + } + ctx.closePath(); +} +function drawArc(ctx, element, offset, spacing, circular) { + const { fullCircles , startAngle , circumference } = element; + let endAngle = element.endAngle; + if (fullCircles) { + pathArc(ctx, element, offset, spacing, endAngle, circular); + for(let i = 0; i < fullCircles; ++i){ + ctx.fill(); + } + if (!isNaN(circumference)) { + endAngle = startAngle + (circumference % helpers_segment.TAU || helpers_segment.TAU); + } + } + pathArc(ctx, element, offset, spacing, endAngle, circular); + ctx.fill(); + return endAngle; +} +function drawBorder(ctx, element, offset, spacing, circular) { + const { fullCircles , startAngle , circumference , options } = element; + const { borderWidth , borderJoinStyle , borderDash , borderDashOffset } = options; + const inner = options.borderAlign === 'inner'; + if (!borderWidth) { + return; + } + ctx.setLineDash(borderDash || []); + ctx.lineDashOffset = borderDashOffset; + if (inner) { + ctx.lineWidth = borderWidth * 2; + ctx.lineJoin = borderJoinStyle || 'round'; + } else { + ctx.lineWidth = borderWidth; + ctx.lineJoin = borderJoinStyle || 'bevel'; + } + let endAngle = element.endAngle; + if (fullCircles) { + pathArc(ctx, element, offset, spacing, endAngle, circular); + for(let i = 0; i < fullCircles; ++i){ + ctx.stroke(); + } + if (!isNaN(circumference)) { + endAngle = startAngle + (circumference % helpers_segment.TAU || helpers_segment.TAU); + } + } + if (inner) { + clipArc(ctx, element, endAngle); + } + if (!fullCircles) { + pathArc(ctx, element, offset, spacing, endAngle, circular); + ctx.stroke(); + } +} +class ArcElement extends Element { + static id = 'arc'; + static defaults = { + borderAlign: 'center', + borderColor: '#fff', + borderDash: [], + borderDashOffset: 0, + borderJoinStyle: undefined, + borderRadius: 0, + borderWidth: 2, + offset: 0, + spacing: 0, + angle: undefined, + circular: true + }; + static defaultRoutes = { + backgroundColor: 'backgroundColor' + }; + static descriptors = { + _scriptable: true, + _indexable: (name)=>name !== 'borderDash' + }; + circumference; + endAngle; + fullCircles; + innerRadius; + outerRadius; + pixelMargin; + startAngle; + constructor(cfg){ + super(); + this.options = undefined; + this.circumference = undefined; + this.startAngle = undefined; + this.endAngle = undefined; + this.innerRadius = undefined; + this.outerRadius = undefined; + this.pixelMargin = 0; + this.fullCircles = 0; + if (cfg) { + Object.assign(this, cfg); + } + } + inRange(chartX, chartY, useFinalPosition) { + const point = this.getProps([ + 'x', + 'y' + ], useFinalPosition); + const { angle , distance } = helpers_segment.getAngleFromPoint(point, { + x: chartX, + y: chartY + }); + const { startAngle , endAngle , innerRadius , outerRadius , circumference } = this.getProps([ + 'startAngle', + 'endAngle', + 'innerRadius', + 'outerRadius', + 'circumference' + ], useFinalPosition); + const rAdjust = (this.options.spacing + this.options.borderWidth) / 2; + const _circumference = helpers_segment.valueOrDefault(circumference, endAngle - startAngle); + const betweenAngles = _circumference >= helpers_segment.TAU || helpers_segment._angleBetween(angle, startAngle, endAngle); + const withinRadius = helpers_segment._isBetween(distance, innerRadius + rAdjust, outerRadius + rAdjust); + return betweenAngles && withinRadius; + } + getCenterPoint(useFinalPosition) { + const { x , y , startAngle , endAngle , innerRadius , outerRadius } = this.getProps([ + 'x', + 'y', + 'startAngle', + 'endAngle', + 'innerRadius', + 'outerRadius' + ], useFinalPosition); + const { offset , spacing } = this.options; + const halfAngle = (startAngle + endAngle) / 2; + const halfRadius = (innerRadius + outerRadius + spacing + offset) / 2; + return { + x: x + Math.cos(halfAngle) * halfRadius, + y: y + Math.sin(halfAngle) * halfRadius + }; + } + tooltipPosition(useFinalPosition) { + return this.getCenterPoint(useFinalPosition); + } + draw(ctx) { + const { options , circumference } = this; + const offset = (options.offset || 0) / 4; + const spacing = (options.spacing || 0) / 2; + const circular = options.circular; + this.pixelMargin = options.borderAlign === 'inner' ? 0.33 : 0; + this.fullCircles = circumference > helpers_segment.TAU ? Math.floor(circumference / helpers_segment.TAU) : 0; + if (circumference === 0 || this.innerRadius < 0 || this.outerRadius < 0) { + return; + } + ctx.save(); + const halfAngle = (this.startAngle + this.endAngle) / 2; + ctx.translate(Math.cos(halfAngle) * offset, Math.sin(halfAngle) * offset); + const fix = 1 - Math.sin(Math.min(helpers_segment.PI, circumference || 0)); + const radiusOffset = offset * fix; + ctx.fillStyle = options.backgroundColor; + ctx.strokeStyle = options.borderColor; + drawArc(ctx, this, radiusOffset, spacing, circular); + drawBorder(ctx, this, radiusOffset, spacing, circular); + ctx.restore(); + } +} + +function setStyle(ctx, options, style = options) { + ctx.lineCap = helpers_segment.valueOrDefault(style.borderCapStyle, options.borderCapStyle); + ctx.setLineDash(helpers_segment.valueOrDefault(style.borderDash, options.borderDash)); + ctx.lineDashOffset = helpers_segment.valueOrDefault(style.borderDashOffset, options.borderDashOffset); + ctx.lineJoin = helpers_segment.valueOrDefault(style.borderJoinStyle, options.borderJoinStyle); + ctx.lineWidth = helpers_segment.valueOrDefault(style.borderWidth, options.borderWidth); + ctx.strokeStyle = helpers_segment.valueOrDefault(style.borderColor, options.borderColor); +} +function lineTo(ctx, previous, target) { + ctx.lineTo(target.x, target.y); +} + function getLineMethod(options) { + if (options.stepped) { + return helpers_segment._steppedLineTo; + } + if (options.tension || options.cubicInterpolationMode === 'monotone') { + return helpers_segment._bezierCurveTo; + } + return lineTo; +} +function pathVars(points, segment, params = {}) { + const count = points.length; + const { start: paramsStart = 0 , end: paramsEnd = count - 1 } = params; + const { start: segmentStart , end: segmentEnd } = segment; + const start = Math.max(paramsStart, segmentStart); + const end = Math.min(paramsEnd, segmentEnd); + const outside = paramsStart < segmentStart && paramsEnd < segmentStart || paramsStart > segmentEnd && paramsEnd > segmentEnd; + return { + count, + start, + loop: segment.loop, + ilen: end < start && !outside ? count + end - start : end - start + }; +} + function pathSegment(ctx, line, segment, params) { + const { points , options } = line; + const { count , start , loop , ilen } = pathVars(points, segment, params); + const lineMethod = getLineMethod(options); + let { move =true , reverse } = params || {}; + let i, point, prev; + for(i = 0; i <= ilen; ++i){ + point = points[(start + (reverse ? ilen - i : i)) % count]; + if (point.skip) { + continue; + } else if (move) { + ctx.moveTo(point.x, point.y); + move = false; + } else { + lineMethod(ctx, prev, point, reverse, options.stepped); + } + prev = point; + } + if (loop) { + point = points[(start + (reverse ? ilen : 0)) % count]; + lineMethod(ctx, prev, point, reverse, options.stepped); + } + return !!loop; +} + function fastPathSegment(ctx, line, segment, params) { + const points = line.points; + const { count , start , ilen } = pathVars(points, segment, params); + const { move =true , reverse } = params || {}; + let avgX = 0; + let countX = 0; + let i, point, prevX, minY, maxY, lastY; + const pointIndex = (index)=>(start + (reverse ? ilen - index : index)) % count; + const drawX = ()=>{ + if (minY !== maxY) { + ctx.lineTo(avgX, maxY); + ctx.lineTo(avgX, minY); + ctx.lineTo(avgX, lastY); + } + }; + if (move) { + point = points[pointIndex(0)]; + ctx.moveTo(point.x, point.y); + } + for(i = 0; i <= ilen; ++i){ + point = points[pointIndex(i)]; + if (point.skip) { + continue; + } + const x = point.x; + const y = point.y; + const truncX = x | 0; + if (truncX === prevX) { + if (y < minY) { + minY = y; + } else if (y > maxY) { + maxY = y; + } + avgX = (countX * avgX + x) / ++countX; + } else { + drawX(); + ctx.lineTo(x, y); + prevX = truncX; + countX = 0; + minY = maxY = y; + } + lastY = y; + } + drawX(); +} + function _getSegmentMethod(line) { + const opts = line.options; + const borderDash = opts.borderDash && opts.borderDash.length; + const useFastPath = !line._decimated && !line._loop && !opts.tension && opts.cubicInterpolationMode !== 'monotone' && !opts.stepped && !borderDash; + return useFastPath ? fastPathSegment : pathSegment; +} + function _getInterpolationMethod(options) { + if (options.stepped) { + return helpers_segment._steppedInterpolation; + } + if (options.tension || options.cubicInterpolationMode === 'monotone') { + return helpers_segment._bezierInterpolation; + } + return helpers_segment._pointInLine; +} +function strokePathWithCache(ctx, line, start, count) { + let path = line._path; + if (!path) { + path = line._path = new Path2D(); + if (line.path(path, start, count)) { + path.closePath(); + } + } + setStyle(ctx, line.options); + ctx.stroke(path); +} +function strokePathDirect(ctx, line, start, count) { + const { segments , options } = line; + const segmentMethod = _getSegmentMethod(line); + for (const segment of segments){ + setStyle(ctx, options, segment.style); + ctx.beginPath(); + if (segmentMethod(ctx, line, segment, { + start, + end: start + count - 1 + })) { + ctx.closePath(); + } + ctx.stroke(); + } +} +const usePath2D = typeof Path2D === 'function'; +function draw(ctx, line, start, count) { + if (usePath2D && !line.options.segment) { + strokePathWithCache(ctx, line, start, count); + } else { + strokePathDirect(ctx, line, start, count); + } +} +class LineElement extends Element { + static id = 'line'; + static defaults = { + borderCapStyle: 'butt', + borderDash: [], + borderDashOffset: 0, + borderJoinStyle: 'miter', + borderWidth: 3, + capBezierPoints: true, + cubicInterpolationMode: 'default', + fill: false, + spanGaps: false, + stepped: false, + tension: 0 + }; + static defaultRoutes = { + backgroundColor: 'backgroundColor', + borderColor: 'borderColor' + }; + static descriptors = { + _scriptable: true, + _indexable: (name)=>name !== 'borderDash' && name !== 'fill' + }; + constructor(cfg){ + super(); + this.animated = true; + this.options = undefined; + this._chart = undefined; + this._loop = undefined; + this._fullLoop = undefined; + this._path = undefined; + this._points = undefined; + this._segments = undefined; + this._decimated = false; + this._pointsUpdated = false; + this._datasetIndex = undefined; + if (cfg) { + Object.assign(this, cfg); + } + } + updateControlPoints(chartArea, indexAxis) { + const options = this.options; + if ((options.tension || options.cubicInterpolationMode === 'monotone') && !options.stepped && !this._pointsUpdated) { + const loop = options.spanGaps ? this._loop : this._fullLoop; + helpers_segment._updateBezierControlPoints(this._points, options, chartArea, loop, indexAxis); + this._pointsUpdated = true; + } + } + set points(points) { + this._points = points; + delete this._segments; + delete this._path; + this._pointsUpdated = false; + } + get points() { + return this._points; + } + get segments() { + return this._segments || (this._segments = helpers_segment._computeSegments(this, this.options.segment)); + } + first() { + const segments = this.segments; + const points = this.points; + return segments.length && points[segments[0].start]; + } + last() { + const segments = this.segments; + const points = this.points; + const count = segments.length; + return count && points[segments[count - 1].end]; + } + interpolate(point, property) { + const options = this.options; + const value = point[property]; + const points = this.points; + const segments = helpers_segment._boundSegments(this, { + property, + start: value, + end: value + }); + if (!segments.length) { + return; + } + const result = []; + const _interpolate = _getInterpolationMethod(options); + let i, ilen; + for(i = 0, ilen = segments.length; i < ilen; ++i){ + const { start , end } = segments[i]; + const p1 = points[start]; + const p2 = points[end]; + if (p1 === p2) { + result.push(p1); + continue; + } + const t = Math.abs((value - p1[property]) / (p2[property] - p1[property])); + const interpolated = _interpolate(p1, p2, t, options.stepped); + interpolated[property] = point[property]; + result.push(interpolated); + } + return result.length === 1 ? result[0] : result; + } + pathSegment(ctx, segment, params) { + const segmentMethod = _getSegmentMethod(this); + return segmentMethod(ctx, this, segment, params); + } + path(ctx, start, count) { + const segments = this.segments; + const segmentMethod = _getSegmentMethod(this); + let loop = this._loop; + start = start || 0; + count = count || this.points.length - start; + for (const segment of segments){ + loop &= segmentMethod(ctx, this, segment, { + start, + end: start + count - 1 + }); + } + return !!loop; + } + draw(ctx, chartArea, start, count) { + const options = this.options || {}; + const points = this.points || []; + if (points.length && options.borderWidth) { + ctx.save(); + draw(ctx, this, start, count); + ctx.restore(); + } + if (this.animated) { + this._pointsUpdated = false; + this._path = undefined; + } + } +} + +function inRange$1(el, pos, axis, useFinalPosition) { + const options = el.options; + const { [axis]: value } = el.getProps([ + axis + ], useFinalPosition); + return Math.abs(pos - value) < options.radius + options.hitRadius; +} +class PointElement extends Element { + static id = 'point'; + parsed; + skip; + stop; + /** + * @type {any} + */ static defaults = { + borderWidth: 1, + hitRadius: 1, + hoverBorderWidth: 1, + hoverRadius: 4, + pointStyle: 'circle', + radius: 3, + rotation: 0 + }; + /** + * @type {any} + */ static defaultRoutes = { + backgroundColor: 'backgroundColor', + borderColor: 'borderColor' + }; + constructor(cfg){ + super(); + this.options = undefined; + this.parsed = undefined; + this.skip = undefined; + this.stop = undefined; + if (cfg) { + Object.assign(this, cfg); + } + } + inRange(mouseX, mouseY, useFinalPosition) { + const options = this.options; + const { x , y } = this.getProps([ + 'x', + 'y' + ], useFinalPosition); + return Math.pow(mouseX - x, 2) + Math.pow(mouseY - y, 2) < Math.pow(options.hitRadius + options.radius, 2); + } + inXRange(mouseX, useFinalPosition) { + return inRange$1(this, mouseX, 'x', useFinalPosition); + } + inYRange(mouseY, useFinalPosition) { + return inRange$1(this, mouseY, 'y', useFinalPosition); + } + getCenterPoint(useFinalPosition) { + const { x , y } = this.getProps([ + 'x', + 'y' + ], useFinalPosition); + return { + x, + y + }; + } + size(options) { + options = options || this.options || {}; + let radius = options.radius || 0; + radius = Math.max(radius, radius && options.hoverRadius || 0); + const borderWidth = radius && options.borderWidth || 0; + return (radius + borderWidth) * 2; + } + draw(ctx, area) { + const options = this.options; + if (this.skip || options.radius < 0.1 || !helpers_segment._isPointInArea(this, area, this.size(options) / 2)) { + return; + } + ctx.strokeStyle = options.borderColor; + ctx.lineWidth = options.borderWidth; + ctx.fillStyle = options.backgroundColor; + helpers_segment.drawPoint(ctx, options, this.x, this.y); + } + getRange() { + const options = this.options || {}; + // @ts-expect-error Fallbacks should never be hit in practice + return options.radius + options.hitRadius; + } +} + +function getBarBounds(bar, useFinalPosition) { + const { x , y , base , width , height } = bar.getProps([ + 'x', + 'y', + 'base', + 'width', + 'height' + ], useFinalPosition); + let left, right, top, bottom, half; + if (bar.horizontal) { + half = height / 2; + left = Math.min(x, base); + right = Math.max(x, base); + top = y - half; + bottom = y + half; + } else { + half = width / 2; + left = x - half; + right = x + half; + top = Math.min(y, base); + bottom = Math.max(y, base); + } + return { + left, + top, + right, + bottom + }; +} +function skipOrLimit(skip, value, min, max) { + return skip ? 0 : helpers_segment._limitValue(value, min, max); +} +function parseBorderWidth(bar, maxW, maxH) { + const value = bar.options.borderWidth; + const skip = bar.borderSkipped; + const o = helpers_segment.toTRBL(value); + return { + t: skipOrLimit(skip.top, o.top, 0, maxH), + r: skipOrLimit(skip.right, o.right, 0, maxW), + b: skipOrLimit(skip.bottom, o.bottom, 0, maxH), + l: skipOrLimit(skip.left, o.left, 0, maxW) + }; +} +function parseBorderRadius(bar, maxW, maxH) { + const { enableBorderRadius } = bar.getProps([ + 'enableBorderRadius' + ]); + const value = bar.options.borderRadius; + const o = helpers_segment.toTRBLCorners(value); + const maxR = Math.min(maxW, maxH); + const skip = bar.borderSkipped; + const enableBorder = enableBorderRadius || helpers_segment.isObject(value); + return { + topLeft: skipOrLimit(!enableBorder || skip.top || skip.left, o.topLeft, 0, maxR), + topRight: skipOrLimit(!enableBorder || skip.top || skip.right, o.topRight, 0, maxR), + bottomLeft: skipOrLimit(!enableBorder || skip.bottom || skip.left, o.bottomLeft, 0, maxR), + bottomRight: skipOrLimit(!enableBorder || skip.bottom || skip.right, o.bottomRight, 0, maxR) + }; +} +function boundingRects(bar) { + const bounds = getBarBounds(bar); + const width = bounds.right - bounds.left; + const height = bounds.bottom - bounds.top; + const border = parseBorderWidth(bar, width / 2, height / 2); + const radius = parseBorderRadius(bar, width / 2, height / 2); + return { + outer: { + x: bounds.left, + y: bounds.top, + w: width, + h: height, + radius + }, + inner: { + x: bounds.left + border.l, + y: bounds.top + border.t, + w: width - border.l - border.r, + h: height - border.t - border.b, + radius: { + topLeft: Math.max(0, radius.topLeft - Math.max(border.t, border.l)), + topRight: Math.max(0, radius.topRight - Math.max(border.t, border.r)), + bottomLeft: Math.max(0, radius.bottomLeft - Math.max(border.b, border.l)), + bottomRight: Math.max(0, radius.bottomRight - Math.max(border.b, border.r)) + } + } + }; +} +function inRange(bar, x, y, useFinalPosition) { + const skipX = x === null; + const skipY = y === null; + const skipBoth = skipX && skipY; + const bounds = bar && !skipBoth && getBarBounds(bar, useFinalPosition); + return bounds && (skipX || helpers_segment._isBetween(x, bounds.left, bounds.right)) && (skipY || helpers_segment._isBetween(y, bounds.top, bounds.bottom)); +} +function hasRadius(radius) { + return radius.topLeft || radius.topRight || radius.bottomLeft || radius.bottomRight; +} + function addNormalRectPath(ctx, rect) { + ctx.rect(rect.x, rect.y, rect.w, rect.h); +} +function inflateRect(rect, amount, refRect = {}) { + const x = rect.x !== refRect.x ? -amount : 0; + const y = rect.y !== refRect.y ? -amount : 0; + const w = (rect.x + rect.w !== refRect.x + refRect.w ? amount : 0) - x; + const h = (rect.y + rect.h !== refRect.y + refRect.h ? amount : 0) - y; + return { + x: rect.x + x, + y: rect.y + y, + w: rect.w + w, + h: rect.h + h, + radius: rect.radius + }; +} +class BarElement extends Element { + static id = 'bar'; + static defaults = { + borderSkipped: 'start', + borderWidth: 0, + borderRadius: 0, + inflateAmount: 'auto', + pointStyle: undefined + }; + static defaultRoutes = { + backgroundColor: 'backgroundColor', + borderColor: 'borderColor' + }; + constructor(cfg){ + super(); + this.options = undefined; + this.horizontal = undefined; + this.base = undefined; + this.width = undefined; + this.height = undefined; + this.inflateAmount = undefined; + if (cfg) { + Object.assign(this, cfg); + } + } + draw(ctx) { + const { inflateAmount , options: { borderColor , backgroundColor } } = this; + const { inner , outer } = boundingRects(this); + const addRectPath = hasRadius(outer.radius) ? helpers_segment.addRoundedRectPath : addNormalRectPath; + ctx.save(); + if (outer.w !== inner.w || outer.h !== inner.h) { + ctx.beginPath(); + addRectPath(ctx, inflateRect(outer, inflateAmount, inner)); + ctx.clip(); + addRectPath(ctx, inflateRect(inner, -inflateAmount, outer)); + ctx.fillStyle = borderColor; + ctx.fill('evenodd'); + } + ctx.beginPath(); + addRectPath(ctx, inflateRect(inner, inflateAmount)); + ctx.fillStyle = backgroundColor; + ctx.fill(); + ctx.restore(); + } + inRange(mouseX, mouseY, useFinalPosition) { + return inRange(this, mouseX, mouseY, useFinalPosition); + } + inXRange(mouseX, useFinalPosition) { + return inRange(this, mouseX, null, useFinalPosition); + } + inYRange(mouseY, useFinalPosition) { + return inRange(this, null, mouseY, useFinalPosition); + } + getCenterPoint(useFinalPosition) { + const { x , y , base , horizontal } = this.getProps([ + 'x', + 'y', + 'base', + 'horizontal' + ], useFinalPosition); + return { + x: horizontal ? (x + base) / 2 : x, + y: horizontal ? y : (y + base) / 2 + }; + } + getRange(axis) { + return axis === 'x' ? this.width / 2 : this.height / 2; + } +} + +var elements = /*#__PURE__*/Object.freeze({ +__proto__: null, +ArcElement: ArcElement, +BarElement: BarElement, +LineElement: LineElement, +PointElement: PointElement +}); + +const BORDER_COLORS = [ + 'rgb(54, 162, 235)', + 'rgb(255, 99, 132)', + 'rgb(255, 159, 64)', + 'rgb(255, 205, 86)', + 'rgb(75, 192, 192)', + 'rgb(153, 102, 255)', + 'rgb(201, 203, 207)' // grey +]; +// Border colors with 50% transparency +const BACKGROUND_COLORS = /* #__PURE__ */ BORDER_COLORS.map((color)=>color.replace('rgb(', 'rgba(').replace(')', ', 0.5)')); +function getBorderColor(i) { + return BORDER_COLORS[i % BORDER_COLORS.length]; +} +function getBackgroundColor(i) { + return BACKGROUND_COLORS[i % BACKGROUND_COLORS.length]; +} +function colorizeDefaultDataset(dataset, i) { + dataset.borderColor = getBorderColor(i); + dataset.backgroundColor = getBackgroundColor(i); + return ++i; +} +function colorizeDoughnutDataset(dataset, i) { + dataset.backgroundColor = dataset.data.map(()=>getBorderColor(i++)); + return i; +} +function colorizePolarAreaDataset(dataset, i) { + dataset.backgroundColor = dataset.data.map(()=>getBackgroundColor(i++)); + return i; +} +function getColorizer(chart) { + let i = 0; + return (dataset, datasetIndex)=>{ + const controller = chart.getDatasetMeta(datasetIndex).controller; + if (controller instanceof DoughnutController) { + i = colorizeDoughnutDataset(dataset, i); + } else if (controller instanceof PolarAreaController) { + i = colorizePolarAreaDataset(dataset, i); + } else if (controller) { + i = colorizeDefaultDataset(dataset, i); + } + }; +} +function containsColorsDefinitions(descriptors) { + let k; + for(k in descriptors){ + if (descriptors[k].borderColor || descriptors[k].backgroundColor) { + return true; + } + } + return false; +} +function containsColorsDefinition(descriptor) { + return descriptor && (descriptor.borderColor || descriptor.backgroundColor); +} +var plugin_colors = { + id: 'colors', + defaults: { + enabled: true, + forceOverride: false + }, + beforeLayout (chart, _args, options) { + if (!options.enabled) { + return; + } + const { data: { datasets } , options: chartOptions } = chart.config; + const { elements } = chartOptions; + if (!options.forceOverride && (containsColorsDefinitions(datasets) || containsColorsDefinition(chartOptions) || elements && containsColorsDefinitions(elements))) { + return; + } + const colorizer = getColorizer(chart); + datasets.forEach(colorizer); + } +}; + +function lttbDecimation(data, start, count, availableWidth, options) { + const samples = options.samples || availableWidth; + if (samples >= count) { + return data.slice(start, start + count); + } + const decimated = []; + const bucketWidth = (count - 2) / (samples - 2); + let sampledIndex = 0; + const endIndex = start + count - 1; + let a = start; + let i, maxAreaPoint, maxArea, area, nextA; + decimated[sampledIndex++] = data[a]; + for(i = 0; i < samples - 2; i++){ + let avgX = 0; + let avgY = 0; + let j; + const avgRangeStart = Math.floor((i + 1) * bucketWidth) + 1 + start; + const avgRangeEnd = Math.min(Math.floor((i + 2) * bucketWidth) + 1, count) + start; + const avgRangeLength = avgRangeEnd - avgRangeStart; + for(j = avgRangeStart; j < avgRangeEnd; j++){ + avgX += data[j].x; + avgY += data[j].y; + } + avgX /= avgRangeLength; + avgY /= avgRangeLength; + const rangeOffs = Math.floor(i * bucketWidth) + 1 + start; + const rangeTo = Math.min(Math.floor((i + 1) * bucketWidth) + 1, count) + start; + const { x: pointAx , y: pointAy } = data[a]; + maxArea = area = -1; + for(j = rangeOffs; j < rangeTo; j++){ + area = 0.5 * Math.abs((pointAx - avgX) * (data[j].y - pointAy) - (pointAx - data[j].x) * (avgY - pointAy)); + if (area > maxArea) { + maxArea = area; + maxAreaPoint = data[j]; + nextA = j; + } + } + decimated[sampledIndex++] = maxAreaPoint; + a = nextA; + } + decimated[sampledIndex++] = data[endIndex]; + return decimated; +} +function minMaxDecimation(data, start, count, availableWidth) { + let avgX = 0; + let countX = 0; + let i, point, x, y, prevX, minIndex, maxIndex, startIndex, minY, maxY; + const decimated = []; + const endIndex = start + count - 1; + const xMin = data[start].x; + const xMax = data[endIndex].x; + const dx = xMax - xMin; + for(i = start; i < start + count; ++i){ + point = data[i]; + x = (point.x - xMin) / dx * availableWidth; + y = point.y; + const truncX = x | 0; + if (truncX === prevX) { + if (y < minY) { + minY = y; + minIndex = i; + } else if (y > maxY) { + maxY = y; + maxIndex = i; + } + avgX = (countX * avgX + point.x) / ++countX; + } else { + const lastIndex = i - 1; + if (!helpers_segment.isNullOrUndef(minIndex) && !helpers_segment.isNullOrUndef(maxIndex)) { + const intermediateIndex1 = Math.min(minIndex, maxIndex); + const intermediateIndex2 = Math.max(minIndex, maxIndex); + if (intermediateIndex1 !== startIndex && intermediateIndex1 !== lastIndex) { + decimated.push({ + ...data[intermediateIndex1], + x: avgX + }); + } + if (intermediateIndex2 !== startIndex && intermediateIndex2 !== lastIndex) { + decimated.push({ + ...data[intermediateIndex2], + x: avgX + }); + } + } + if (i > 0 && lastIndex !== startIndex) { + decimated.push(data[lastIndex]); + } + decimated.push(point); + prevX = truncX; + countX = 0; + minY = maxY = y; + minIndex = maxIndex = startIndex = i; + } + } + return decimated; +} +function cleanDecimatedDataset(dataset) { + if (dataset._decimated) { + const data = dataset._data; + delete dataset._decimated; + delete dataset._data; + Object.defineProperty(dataset, 'data', { + configurable: true, + enumerable: true, + writable: true, + value: data + }); + } +} +function cleanDecimatedData(chart) { + chart.data.datasets.forEach((dataset)=>{ + cleanDecimatedDataset(dataset); + }); +} +function getStartAndCountOfVisiblePointsSimplified(meta, points) { + const pointCount = points.length; + let start = 0; + let count; + const { iScale } = meta; + const { min , max , minDefined , maxDefined } = iScale.getUserBounds(); + if (minDefined) { + start = helpers_segment._limitValue(helpers_segment._lookupByKey(points, iScale.axis, min).lo, 0, pointCount - 1); + } + if (maxDefined) { + count = helpers_segment._limitValue(helpers_segment._lookupByKey(points, iScale.axis, max).hi + 1, start, pointCount) - start; + } else { + count = pointCount - start; + } + return { + start, + count + }; +} +var plugin_decimation = { + id: 'decimation', + defaults: { + algorithm: 'min-max', + enabled: false + }, + beforeElementsUpdate: (chart, args, options)=>{ + if (!options.enabled) { + cleanDecimatedData(chart); + return; + } + const availableWidth = chart.width; + chart.data.datasets.forEach((dataset, datasetIndex)=>{ + const { _data , indexAxis } = dataset; + const meta = chart.getDatasetMeta(datasetIndex); + const data = _data || dataset.data; + if (helpers_segment.resolve([ + indexAxis, + chart.options.indexAxis + ]) === 'y') { + return; + } + if (!meta.controller.supportsDecimation) { + return; + } + const xAxis = chart.scales[meta.xAxisID]; + if (xAxis.type !== 'linear' && xAxis.type !== 'time') { + return; + } + if (chart.options.parsing) { + return; + } + let { start , count } = getStartAndCountOfVisiblePointsSimplified(meta, data); + const threshold = options.threshold || 4 * availableWidth; + if (count <= threshold) { + cleanDecimatedDataset(dataset); + return; + } + if (helpers_segment.isNullOrUndef(_data)) { + dataset._data = data; + delete dataset.data; + Object.defineProperty(dataset, 'data', { + configurable: true, + enumerable: true, + get: function() { + return this._decimated; + }, + set: function(d) { + this._data = d; + } + }); + } + let decimated; + switch(options.algorithm){ + case 'lttb': + decimated = lttbDecimation(data, start, count, availableWidth, options); + break; + case 'min-max': + decimated = minMaxDecimation(data, start, count, availableWidth); + break; + default: + throw new Error(`Unsupported decimation algorithm '${options.algorithm}'`); + } + dataset._decimated = decimated; + }); + }, + destroy (chart) { + cleanDecimatedData(chart); + } +}; + +function _segments(line, target, property) { + const segments = line.segments; + const points = line.points; + const tpoints = target.points; + const parts = []; + for (const segment of segments){ + let { start , end } = segment; + end = _findSegmentEnd(start, end, points); + const bounds = _getBounds(property, points[start], points[end], segment.loop); + if (!target.segments) { + parts.push({ + source: segment, + target: bounds, + start: points[start], + end: points[end] + }); + continue; + } + const targetSegments = helpers_segment._boundSegments(target, bounds); + for (const tgt of targetSegments){ + const subBounds = _getBounds(property, tpoints[tgt.start], tpoints[tgt.end], tgt.loop); + const fillSources = helpers_segment._boundSegment(segment, points, subBounds); + for (const fillSource of fillSources){ + parts.push({ + source: fillSource, + target: tgt, + start: { + [property]: _getEdge(bounds, subBounds, 'start', Math.max) + }, + end: { + [property]: _getEdge(bounds, subBounds, 'end', Math.min) + } + }); + } + } + } + return parts; +} +function _getBounds(property, first, last, loop) { + if (loop) { + return; + } + let start = first[property]; + let end = last[property]; + if (property === 'angle') { + start = helpers_segment._normalizeAngle(start); + end = helpers_segment._normalizeAngle(end); + } + return { + property, + start, + end + }; +} +function _pointsFromSegments(boundary, line) { + const { x =null , y =null } = boundary || {}; + const linePoints = line.points; + const points = []; + line.segments.forEach(({ start , end })=>{ + end = _findSegmentEnd(start, end, linePoints); + const first = linePoints[start]; + const last = linePoints[end]; + if (y !== null) { + points.push({ + x: first.x, + y + }); + points.push({ + x: last.x, + y + }); + } else if (x !== null) { + points.push({ + x, + y: first.y + }); + points.push({ + x, + y: last.y + }); + } + }); + return points; +} +function _findSegmentEnd(start, end, points) { + for(; end > start; end--){ + const point = points[end]; + if (!isNaN(point.x) && !isNaN(point.y)) { + break; + } + } + return end; +} +function _getEdge(a, b, prop, fn) { + if (a && b) { + return fn(a[prop], b[prop]); + } + return a ? a[prop] : b ? b[prop] : 0; +} + +function _createBoundaryLine(boundary, line) { + let points = []; + let _loop = false; + if (helpers_segment.isArray(boundary)) { + _loop = true; + points = boundary; + } else { + points = _pointsFromSegments(boundary, line); + } + return points.length ? new LineElement({ + points, + options: { + tension: 0 + }, + _loop, + _fullLoop: _loop + }) : null; +} +function _shouldApplyFill(source) { + return source && source.fill !== false; +} + +function _resolveTarget(sources, index, propagate) { + const source = sources[index]; + let fill = source.fill; + const visited = [ + index + ]; + let target; + if (!propagate) { + return fill; + } + while(fill !== false && visited.indexOf(fill) === -1){ + if (!helpers_segment.isNumberFinite(fill)) { + return fill; + } + target = sources[fill]; + if (!target) { + return false; + } + if (target.visible) { + return fill; + } + visited.push(fill); + fill = target.fill; + } + return false; +} + function _decodeFill(line, index, count) { + const fill = parseFillOption(line); + if (helpers_segment.isObject(fill)) { + return isNaN(fill.value) ? false : fill; + } + let target = parseFloat(fill); + if (helpers_segment.isNumberFinite(target) && Math.floor(target) === target) { + return decodeTargetIndex(fill[0], index, target, count); + } + return [ + 'origin', + 'start', + 'end', + 'stack', + 'shape' + ].indexOf(fill) >= 0 && fill; +} +function decodeTargetIndex(firstCh, index, target, count) { + if (firstCh === '-' || firstCh === '+') { + target = index + target; + } + if (target === index || target < 0 || target >= count) { + return false; + } + return target; +} + function _getTargetPixel(fill, scale) { + let pixel = null; + if (fill === 'start') { + pixel = scale.bottom; + } else if (fill === 'end') { + pixel = scale.top; + } else if (helpers_segment.isObject(fill)) { + pixel = scale.getPixelForValue(fill.value); + } else if (scale.getBasePixel) { + pixel = scale.getBasePixel(); + } + return pixel; +} + function _getTargetValue(fill, scale, startValue) { + let value; + if (fill === 'start') { + value = startValue; + } else if (fill === 'end') { + value = scale.options.reverse ? scale.min : scale.max; + } else if (helpers_segment.isObject(fill)) { + value = fill.value; + } else { + value = scale.getBaseValue(); + } + return value; +} + function parseFillOption(line) { + const options = line.options; + const fillOption = options.fill; + let fill = helpers_segment.valueOrDefault(fillOption && fillOption.target, fillOption); + if (fill === undefined) { + fill = !!options.backgroundColor; + } + if (fill === false || fill === null) { + return false; + } + if (fill === true) { + return 'origin'; + } + return fill; +} + +function _buildStackLine(source) { + const { scale , index , line } = source; + const points = []; + const segments = line.segments; + const sourcePoints = line.points; + const linesBelow = getLinesBelow(scale, index); + linesBelow.push(_createBoundaryLine({ + x: null, + y: scale.bottom + }, line)); + for(let i = 0; i < segments.length; i++){ + const segment = segments[i]; + for(let j = segment.start; j <= segment.end; j++){ + addPointsBelow(points, sourcePoints[j], linesBelow); + } + } + return new LineElement({ + points, + options: {} + }); +} + function getLinesBelow(scale, index) { + const below = []; + const metas = scale.getMatchingVisibleMetas('line'); + for(let i = 0; i < metas.length; i++){ + const meta = metas[i]; + if (meta.index === index) { + break; + } + if (!meta.hidden) { + below.unshift(meta.dataset); + } + } + return below; +} + function addPointsBelow(points, sourcePoint, linesBelow) { + const postponed = []; + for(let j = 0; j < linesBelow.length; j++){ + const line = linesBelow[j]; + const { first , last , point } = findPoint(line, sourcePoint, 'x'); + if (!point || first && last) { + continue; + } + if (first) { + postponed.unshift(point); + } else { + points.push(point); + if (!last) { + break; + } + } + } + points.push(...postponed); +} + function findPoint(line, sourcePoint, property) { + const point = line.interpolate(sourcePoint, property); + if (!point) { + return {}; + } + const pointValue = point[property]; + const segments = line.segments; + const linePoints = line.points; + let first = false; + let last = false; + for(let i = 0; i < segments.length; i++){ + const segment = segments[i]; + const firstValue = linePoints[segment.start][property]; + const lastValue = linePoints[segment.end][property]; + if (helpers_segment._isBetween(pointValue, firstValue, lastValue)) { + first = pointValue === firstValue; + last = pointValue === lastValue; + break; + } + } + return { + first, + last, + point + }; +} + +class simpleArc { + constructor(opts){ + this.x = opts.x; + this.y = opts.y; + this.radius = opts.radius; + } + pathSegment(ctx, bounds, opts) { + const { x , y , radius } = this; + bounds = bounds || { + start: 0, + end: helpers_segment.TAU + }; + ctx.arc(x, y, radius, bounds.end, bounds.start, true); + return !opts.bounds; + } + interpolate(point) { + const { x , y , radius } = this; + const angle = point.angle; + return { + x: x + Math.cos(angle) * radius, + y: y + Math.sin(angle) * radius, + angle + }; + } +} + +function _getTarget(source) { + const { chart , fill , line } = source; + if (helpers_segment.isNumberFinite(fill)) { + return getLineByIndex(chart, fill); + } + if (fill === 'stack') { + return _buildStackLine(source); + } + if (fill === 'shape') { + return true; + } + const boundary = computeBoundary(source); + if (boundary instanceof simpleArc) { + return boundary; + } + return _createBoundaryLine(boundary, line); +} + function getLineByIndex(chart, index) { + const meta = chart.getDatasetMeta(index); + const visible = meta && chart.isDatasetVisible(index); + return visible ? meta.dataset : null; +} +function computeBoundary(source) { + const scale = source.scale || {}; + if (scale.getPointPositionForValue) { + return computeCircularBoundary(source); + } + return computeLinearBoundary(source); +} +function computeLinearBoundary(source) { + const { scale ={} , fill } = source; + const pixel = _getTargetPixel(fill, scale); + if (helpers_segment.isNumberFinite(pixel)) { + const horizontal = scale.isHorizontal(); + return { + x: horizontal ? pixel : null, + y: horizontal ? null : pixel + }; + } + return null; +} +function computeCircularBoundary(source) { + const { scale , fill } = source; + const options = scale.options; + const length = scale.getLabels().length; + const start = options.reverse ? scale.max : scale.min; + const value = _getTargetValue(fill, scale, start); + const target = []; + if (options.grid.circular) { + const center = scale.getPointPositionForValue(0, start); + return new simpleArc({ + x: center.x, + y: center.y, + radius: scale.getDistanceFromCenterForValue(value) + }); + } + for(let i = 0; i < length; ++i){ + target.push(scale.getPointPositionForValue(i, value)); + } + return target; +} + +function _drawfill(ctx, source, area) { + const target = _getTarget(source); + const { line , scale , axis } = source; + const lineOpts = line.options; + const fillOption = lineOpts.fill; + const color = lineOpts.backgroundColor; + const { above =color , below =color } = fillOption || {}; + if (target && line.points.length) { + helpers_segment.clipArea(ctx, area); + doFill(ctx, { + line, + target, + above, + below, + area, + scale, + axis + }); + helpers_segment.unclipArea(ctx); + } +} +function doFill(ctx, cfg) { + const { line , target , above , below , area , scale } = cfg; + const property = line._loop ? 'angle' : cfg.axis; + ctx.save(); + if (property === 'x' && below !== above) { + clipVertical(ctx, target, area.top); + fill(ctx, { + line, + target, + color: above, + scale, + property + }); + ctx.restore(); + ctx.save(); + clipVertical(ctx, target, area.bottom); + } + fill(ctx, { + line, + target, + color: below, + scale, + property + }); + ctx.restore(); +} +function clipVertical(ctx, target, clipY) { + const { segments , points } = target; + let first = true; + let lineLoop = false; + ctx.beginPath(); + for (const segment of segments){ + const { start , end } = segment; + const firstPoint = points[start]; + const lastPoint = points[_findSegmentEnd(start, end, points)]; + if (first) { + ctx.moveTo(firstPoint.x, firstPoint.y); + first = false; + } else { + ctx.lineTo(firstPoint.x, clipY); + ctx.lineTo(firstPoint.x, firstPoint.y); + } + lineLoop = !!target.pathSegment(ctx, segment, { + move: lineLoop + }); + if (lineLoop) { + ctx.closePath(); + } else { + ctx.lineTo(lastPoint.x, clipY); + } + } + ctx.lineTo(target.first().x, clipY); + ctx.closePath(); + ctx.clip(); +} +function fill(ctx, cfg) { + const { line , target , property , color , scale } = cfg; + const segments = _segments(line, target, property); + for (const { source: src , target: tgt , start , end } of segments){ + const { style: { backgroundColor =color } = {} } = src; + const notShape = target !== true; + ctx.save(); + ctx.fillStyle = backgroundColor; + clipBounds(ctx, scale, notShape && _getBounds(property, start, end)); + ctx.beginPath(); + const lineLoop = !!line.pathSegment(ctx, src); + let loop; + if (notShape) { + if (lineLoop) { + ctx.closePath(); + } else { + interpolatedLineTo(ctx, target, end, property); + } + const targetLoop = !!target.pathSegment(ctx, tgt, { + move: lineLoop, + reverse: true + }); + loop = lineLoop && targetLoop; + if (!loop) { + interpolatedLineTo(ctx, target, start, property); + } + } + ctx.closePath(); + ctx.fill(loop ? 'evenodd' : 'nonzero'); + ctx.restore(); + } +} +function clipBounds(ctx, scale, bounds) { + const { top , bottom } = scale.chart.chartArea; + const { property , start , end } = bounds || {}; + if (property === 'x') { + ctx.beginPath(); + ctx.rect(start, top, end - start, bottom - top); + ctx.clip(); + } +} +function interpolatedLineTo(ctx, target, point, property) { + const interpolatedPoint = target.interpolate(point, property); + if (interpolatedPoint) { + ctx.lineTo(interpolatedPoint.x, interpolatedPoint.y); + } +} + +var index = { + id: 'filler', + afterDatasetsUpdate (chart, _args, options) { + const count = (chart.data.datasets || []).length; + const sources = []; + let meta, i, line, source; + for(i = 0; i < count; ++i){ + meta = chart.getDatasetMeta(i); + line = meta.dataset; + source = null; + if (line && line.options && line instanceof LineElement) { + source = { + visible: chart.isDatasetVisible(i), + index: i, + fill: _decodeFill(line, i, count), + chart, + axis: meta.controller.options.indexAxis, + scale: meta.vScale, + line + }; + } + meta.$filler = source; + sources.push(source); + } + for(i = 0; i < count; ++i){ + source = sources[i]; + if (!source || source.fill === false) { + continue; + } + source.fill = _resolveTarget(sources, i, options.propagate); + } + }, + beforeDraw (chart, _args, options) { + const draw = options.drawTime === 'beforeDraw'; + const metasets = chart.getSortedVisibleDatasetMetas(); + const area = chart.chartArea; + for(let i = metasets.length - 1; i >= 0; --i){ + const source = metasets[i].$filler; + if (!source) { + continue; + } + source.line.updateControlPoints(area, source.axis); + if (draw && source.fill) { + _drawfill(chart.ctx, source, area); + } + } + }, + beforeDatasetsDraw (chart, _args, options) { + if (options.drawTime !== 'beforeDatasetsDraw') { + return; + } + const metasets = chart.getSortedVisibleDatasetMetas(); + for(let i = metasets.length - 1; i >= 0; --i){ + const source = metasets[i].$filler; + if (_shouldApplyFill(source)) { + _drawfill(chart.ctx, source, chart.chartArea); + } + } + }, + beforeDatasetDraw (chart, args, options) { + const source = args.meta.$filler; + if (!_shouldApplyFill(source) || options.drawTime !== 'beforeDatasetDraw') { + return; + } + _drawfill(chart.ctx, source, chart.chartArea); + }, + defaults: { + propagate: true, + drawTime: 'beforeDatasetDraw' + } +}; + +const getBoxSize = (labelOpts, fontSize)=>{ + let { boxHeight =fontSize , boxWidth =fontSize } = labelOpts; + if (labelOpts.usePointStyle) { + boxHeight = Math.min(boxHeight, fontSize); + boxWidth = labelOpts.pointStyleWidth || Math.min(boxWidth, fontSize); + } + return { + boxWidth, + boxHeight, + itemHeight: Math.max(fontSize, boxHeight) + }; +}; +const itemsEqual = (a, b)=>a !== null && b !== null && a.datasetIndex === b.datasetIndex && a.index === b.index; +class Legend extends Element { + constructor(config){ + super(); + this._added = false; + this.legendHitBoxes = []; + this._hoveredItem = null; + this.doughnutMode = false; + this.chart = config.chart; + this.options = config.options; + this.ctx = config.ctx; + this.legendItems = undefined; + this.columnSizes = undefined; + this.lineWidths = undefined; + this.maxHeight = undefined; + this.maxWidth = undefined; + this.top = undefined; + this.bottom = undefined; + this.left = undefined; + this.right = undefined; + this.height = undefined; + this.width = undefined; + this._margins = undefined; + this.position = undefined; + this.weight = undefined; + this.fullSize = undefined; + } + update(maxWidth, maxHeight, margins) { + this.maxWidth = maxWidth; + this.maxHeight = maxHeight; + this._margins = margins; + this.setDimensions(); + this.buildLabels(); + this.fit(); + } + setDimensions() { + if (this.isHorizontal()) { + this.width = this.maxWidth; + this.left = this._margins.left; + this.right = this.width; + } else { + this.height = this.maxHeight; + this.top = this._margins.top; + this.bottom = this.height; + } + } + buildLabels() { + const labelOpts = this.options.labels || {}; + let legendItems = helpers_segment.callback(labelOpts.generateLabels, [ + this.chart + ], this) || []; + if (labelOpts.filter) { + legendItems = legendItems.filter((item)=>labelOpts.filter(item, this.chart.data)); + } + if (labelOpts.sort) { + legendItems = legendItems.sort((a, b)=>labelOpts.sort(a, b, this.chart.data)); + } + if (this.options.reverse) { + legendItems.reverse(); + } + this.legendItems = legendItems; + } + fit() { + const { options , ctx } = this; + if (!options.display) { + this.width = this.height = 0; + return; + } + const labelOpts = options.labels; + const labelFont = helpers_segment.toFont(labelOpts.font); + const fontSize = labelFont.size; + const titleHeight = this._computeTitleHeight(); + const { boxWidth , itemHeight } = getBoxSize(labelOpts, fontSize); + let width, height; + ctx.font = labelFont.string; + if (this.isHorizontal()) { + width = this.maxWidth; + height = this._fitRows(titleHeight, fontSize, boxWidth, itemHeight) + 10; + } else { + height = this.maxHeight; + width = this._fitCols(titleHeight, labelFont, boxWidth, itemHeight) + 10; + } + this.width = Math.min(width, options.maxWidth || this.maxWidth); + this.height = Math.min(height, options.maxHeight || this.maxHeight); + } + _fitRows(titleHeight, fontSize, boxWidth, itemHeight) { + const { ctx , maxWidth , options: { labels: { padding } } } = this; + const hitboxes = this.legendHitBoxes = []; + const lineWidths = this.lineWidths = [ + 0 + ]; + const lineHeight = itemHeight + padding; + let totalHeight = titleHeight; + ctx.textAlign = 'left'; + ctx.textBaseline = 'middle'; + let row = -1; + let top = -lineHeight; + this.legendItems.forEach((legendItem, i)=>{ + const itemWidth = boxWidth + fontSize / 2 + ctx.measureText(legendItem.text).width; + if (i === 0 || lineWidths[lineWidths.length - 1] + itemWidth + 2 * padding > maxWidth) { + totalHeight += lineHeight; + lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = 0; + top += lineHeight; + row++; + } + hitboxes[i] = { + left: 0, + top, + row, + width: itemWidth, + height: itemHeight + }; + lineWidths[lineWidths.length - 1] += itemWidth + padding; + }); + return totalHeight; + } + _fitCols(titleHeight, labelFont, boxWidth, _itemHeight) { + const { ctx , maxHeight , options: { labels: { padding } } } = this; + const hitboxes = this.legendHitBoxes = []; + const columnSizes = this.columnSizes = []; + const heightLimit = maxHeight - titleHeight; + let totalWidth = padding; + let currentColWidth = 0; + let currentColHeight = 0; + let left = 0; + let col = 0; + this.legendItems.forEach((legendItem, i)=>{ + const { itemWidth , itemHeight } = calculateItemSize(boxWidth, labelFont, ctx, legendItem, _itemHeight); + if (i > 0 && currentColHeight + itemHeight + 2 * padding > heightLimit) { + totalWidth += currentColWidth + padding; + columnSizes.push({ + width: currentColWidth, + height: currentColHeight + }); + left += currentColWidth + padding; + col++; + currentColWidth = currentColHeight = 0; + } + hitboxes[i] = { + left, + top: currentColHeight, + col, + width: itemWidth, + height: itemHeight + }; + currentColWidth = Math.max(currentColWidth, itemWidth); + currentColHeight += itemHeight + padding; + }); + totalWidth += currentColWidth; + columnSizes.push({ + width: currentColWidth, + height: currentColHeight + }); + return totalWidth; + } + adjustHitBoxes() { + if (!this.options.display) { + return; + } + const titleHeight = this._computeTitleHeight(); + const { legendHitBoxes: hitboxes , options: { align , labels: { padding } , rtl } } = this; + const rtlHelper = helpers_segment.getRtlAdapter(rtl, this.left, this.width); + if (this.isHorizontal()) { + let row = 0; + let left = helpers_segment._alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]); + for (const hitbox of hitboxes){ + if (row !== hitbox.row) { + row = hitbox.row; + left = helpers_segment._alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]); + } + hitbox.top += this.top + titleHeight + padding; + hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(left), hitbox.width); + left += hitbox.width + padding; + } + } else { + let col = 0; + let top = helpers_segment._alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height); + for (const hitbox of hitboxes){ + if (hitbox.col !== col) { + col = hitbox.col; + top = helpers_segment._alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height); + } + hitbox.top = top; + hitbox.left += this.left + padding; + hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(hitbox.left), hitbox.width); + top += hitbox.height + padding; + } + } + } + isHorizontal() { + return this.options.position === 'top' || this.options.position === 'bottom'; + } + draw() { + if (this.options.display) { + const ctx = this.ctx; + helpers_segment.clipArea(ctx, this); + this._draw(); + helpers_segment.unclipArea(ctx); + } + } + _draw() { + const { options: opts , columnSizes , lineWidths , ctx } = this; + const { align , labels: labelOpts } = opts; + const defaultColor = helpers_segment.defaults.color; + const rtlHelper = helpers_segment.getRtlAdapter(opts.rtl, this.left, this.width); + const labelFont = helpers_segment.toFont(labelOpts.font); + const { padding } = labelOpts; + const fontSize = labelFont.size; + const halfFontSize = fontSize / 2; + let cursor; + this.drawTitle(); + ctx.textAlign = rtlHelper.textAlign('left'); + ctx.textBaseline = 'middle'; + ctx.lineWidth = 0.5; + ctx.font = labelFont.string; + const { boxWidth , boxHeight , itemHeight } = getBoxSize(labelOpts, fontSize); + const drawLegendBox = function(x, y, legendItem) { + if (isNaN(boxWidth) || boxWidth <= 0 || isNaN(boxHeight) || boxHeight < 0) { + return; + } + ctx.save(); + const lineWidth = helpers_segment.valueOrDefault(legendItem.lineWidth, 1); + ctx.fillStyle = helpers_segment.valueOrDefault(legendItem.fillStyle, defaultColor); + ctx.lineCap = helpers_segment.valueOrDefault(legendItem.lineCap, 'butt'); + ctx.lineDashOffset = helpers_segment.valueOrDefault(legendItem.lineDashOffset, 0); + ctx.lineJoin = helpers_segment.valueOrDefault(legendItem.lineJoin, 'miter'); + ctx.lineWidth = lineWidth; + ctx.strokeStyle = helpers_segment.valueOrDefault(legendItem.strokeStyle, defaultColor); + ctx.setLineDash(helpers_segment.valueOrDefault(legendItem.lineDash, [])); + if (labelOpts.usePointStyle) { + const drawOptions = { + radius: boxHeight * Math.SQRT2 / 2, + pointStyle: legendItem.pointStyle, + rotation: legendItem.rotation, + borderWidth: lineWidth + }; + const centerX = rtlHelper.xPlus(x, boxWidth / 2); + const centerY = y + halfFontSize; + helpers_segment.drawPointLegend(ctx, drawOptions, centerX, centerY, labelOpts.pointStyleWidth && boxWidth); + } else { + const yBoxTop = y + Math.max((fontSize - boxHeight) / 2, 0); + const xBoxLeft = rtlHelper.leftForLtr(x, boxWidth); + const borderRadius = helpers_segment.toTRBLCorners(legendItem.borderRadius); + ctx.beginPath(); + if (Object.values(borderRadius).some((v)=>v !== 0)) { + helpers_segment.addRoundedRectPath(ctx, { + x: xBoxLeft, + y: yBoxTop, + w: boxWidth, + h: boxHeight, + radius: borderRadius + }); + } else { + ctx.rect(xBoxLeft, yBoxTop, boxWidth, boxHeight); + } + ctx.fill(); + if (lineWidth !== 0) { + ctx.stroke(); + } + } + ctx.restore(); + }; + const fillText = function(x, y, legendItem) { + helpers_segment.renderText(ctx, legendItem.text, x, y + itemHeight / 2, labelFont, { + strikethrough: legendItem.hidden, + textAlign: rtlHelper.textAlign(legendItem.textAlign) + }); + }; + const isHorizontal = this.isHorizontal(); + const titleHeight = this._computeTitleHeight(); + if (isHorizontal) { + cursor = { + x: helpers_segment._alignStartEnd(align, this.left + padding, this.right - lineWidths[0]), + y: this.top + padding + titleHeight, + line: 0 + }; + } else { + cursor = { + x: this.left + padding, + y: helpers_segment._alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[0].height), + line: 0 + }; + } + helpers_segment.overrideTextDirection(this.ctx, opts.textDirection); + const lineHeight = itemHeight + padding; + this.legendItems.forEach((legendItem, i)=>{ + ctx.strokeStyle = legendItem.fontColor; + ctx.fillStyle = legendItem.fontColor; + const textWidth = ctx.measureText(legendItem.text).width; + const textAlign = rtlHelper.textAlign(legendItem.textAlign || (legendItem.textAlign = labelOpts.textAlign)); + const width = boxWidth + halfFontSize + textWidth; + let x = cursor.x; + let y = cursor.y; + rtlHelper.setWidth(this.width); + if (isHorizontal) { + if (i > 0 && x + width + padding > this.right) { + y = cursor.y += lineHeight; + cursor.line++; + x = cursor.x = helpers_segment._alignStartEnd(align, this.left + padding, this.right - lineWidths[cursor.line]); + } + } else if (i > 0 && y + lineHeight > this.bottom) { + x = cursor.x = x + columnSizes[cursor.line].width + padding; + cursor.line++; + y = cursor.y = helpers_segment._alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[cursor.line].height); + } + const realX = rtlHelper.x(x); + drawLegendBox(realX, y, legendItem); + x = helpers_segment._textX(textAlign, x + boxWidth + halfFontSize, isHorizontal ? x + width : this.right, opts.rtl); + fillText(rtlHelper.x(x), y, legendItem); + if (isHorizontal) { + cursor.x += width + padding; + } else if (typeof legendItem.text !== 'string') { + const fontLineHeight = labelFont.lineHeight; + cursor.y += calculateLegendItemHeight(legendItem, fontLineHeight) + padding; + } else { + cursor.y += lineHeight; + } + }); + helpers_segment.restoreTextDirection(this.ctx, opts.textDirection); + } + drawTitle() { + const opts = this.options; + const titleOpts = opts.title; + const titleFont = helpers_segment.toFont(titleOpts.font); + const titlePadding = helpers_segment.toPadding(titleOpts.padding); + if (!titleOpts.display) { + return; + } + const rtlHelper = helpers_segment.getRtlAdapter(opts.rtl, this.left, this.width); + const ctx = this.ctx; + const position = titleOpts.position; + const halfFontSize = titleFont.size / 2; + const topPaddingPlusHalfFontSize = titlePadding.top + halfFontSize; + let y; + let left = this.left; + let maxWidth = this.width; + if (this.isHorizontal()) { + maxWidth = Math.max(...this.lineWidths); + y = this.top + topPaddingPlusHalfFontSize; + left = helpers_segment._alignStartEnd(opts.align, left, this.right - maxWidth); + } else { + const maxHeight = this.columnSizes.reduce((acc, size)=>Math.max(acc, size.height), 0); + y = topPaddingPlusHalfFontSize + helpers_segment._alignStartEnd(opts.align, this.top, this.bottom - maxHeight - opts.labels.padding - this._computeTitleHeight()); + } + const x = helpers_segment._alignStartEnd(position, left, left + maxWidth); + ctx.textAlign = rtlHelper.textAlign(helpers_segment._toLeftRightCenter(position)); + ctx.textBaseline = 'middle'; + ctx.strokeStyle = titleOpts.color; + ctx.fillStyle = titleOpts.color; + ctx.font = titleFont.string; + helpers_segment.renderText(ctx, titleOpts.text, x, y, titleFont); + } + _computeTitleHeight() { + const titleOpts = this.options.title; + const titleFont = helpers_segment.toFont(titleOpts.font); + const titlePadding = helpers_segment.toPadding(titleOpts.padding); + return titleOpts.display ? titleFont.lineHeight + titlePadding.height : 0; + } + _getLegendItemAt(x, y) { + let i, hitBox, lh; + if (helpers_segment._isBetween(x, this.left, this.right) && helpers_segment._isBetween(y, this.top, this.bottom)) { + lh = this.legendHitBoxes; + for(i = 0; i < lh.length; ++i){ + hitBox = lh[i]; + if (helpers_segment._isBetween(x, hitBox.left, hitBox.left + hitBox.width) && helpers_segment._isBetween(y, hitBox.top, hitBox.top + hitBox.height)) { + return this.legendItems[i]; + } + } + } + return null; + } + handleEvent(e) { + const opts = this.options; + if (!isListened(e.type, opts)) { + return; + } + const hoveredItem = this._getLegendItemAt(e.x, e.y); + if (e.type === 'mousemove' || e.type === 'mouseout') { + const previous = this._hoveredItem; + const sameItem = itemsEqual(previous, hoveredItem); + if (previous && !sameItem) { + helpers_segment.callback(opts.onLeave, [ + e, + previous, + this + ], this); + } + this._hoveredItem = hoveredItem; + if (hoveredItem && !sameItem) { + helpers_segment.callback(opts.onHover, [ + e, + hoveredItem, + this + ], this); + } + } else if (hoveredItem) { + helpers_segment.callback(opts.onClick, [ + e, + hoveredItem, + this + ], this); + } + } +} +function calculateItemSize(boxWidth, labelFont, ctx, legendItem, _itemHeight) { + const itemWidth = calculateItemWidth(legendItem, boxWidth, labelFont, ctx); + const itemHeight = calculateItemHeight(_itemHeight, legendItem, labelFont.lineHeight); + return { + itemWidth, + itemHeight + }; +} +function calculateItemWidth(legendItem, boxWidth, labelFont, ctx) { + let legendItemText = legendItem.text; + if (legendItemText && typeof legendItemText !== 'string') { + legendItemText = legendItemText.reduce((a, b)=>a.length > b.length ? a : b); + } + return boxWidth + labelFont.size / 2 + ctx.measureText(legendItemText).width; +} +function calculateItemHeight(_itemHeight, legendItem, fontLineHeight) { + let itemHeight = _itemHeight; + if (typeof legendItem.text !== 'string') { + itemHeight = calculateLegendItemHeight(legendItem, fontLineHeight); + } + return itemHeight; +} +function calculateLegendItemHeight(legendItem, fontLineHeight) { + const labelHeight = legendItem.text ? legendItem.text.length : 0; + return fontLineHeight * labelHeight; +} +function isListened(type, opts) { + if ((type === 'mousemove' || type === 'mouseout') && (opts.onHover || opts.onLeave)) { + return true; + } + if (opts.onClick && (type === 'click' || type === 'mouseup')) { + return true; + } + return false; +} +var plugin_legend = { + id: 'legend', + _element: Legend, + start (chart, _args, options) { + const legend = chart.legend = new Legend({ + ctx: chart.ctx, + options, + chart + }); + layouts.configure(chart, legend, options); + layouts.addBox(chart, legend); + }, + stop (chart) { + layouts.removeBox(chart, chart.legend); + delete chart.legend; + }, + beforeUpdate (chart, _args, options) { + const legend = chart.legend; + layouts.configure(chart, legend, options); + legend.options = options; + }, + afterUpdate (chart) { + const legend = chart.legend; + legend.buildLabels(); + legend.adjustHitBoxes(); + }, + afterEvent (chart, args) { + if (!args.replay) { + chart.legend.handleEvent(args.event); + } + }, + defaults: { + display: true, + position: 'top', + align: 'center', + fullSize: true, + reverse: false, + weight: 1000, + onClick (e, legendItem, legend) { + const index = legendItem.datasetIndex; + const ci = legend.chart; + if (ci.isDatasetVisible(index)) { + ci.hide(index); + legendItem.hidden = true; + } else { + ci.show(index); + legendItem.hidden = false; + } + }, + onHover: null, + onLeave: null, + labels: { + color: (ctx)=>ctx.chart.options.color, + boxWidth: 40, + padding: 10, + generateLabels (chart) { + const datasets = chart.data.datasets; + const { labels: { usePointStyle , pointStyle , textAlign , color , useBorderRadius , borderRadius } } = chart.legend.options; + return chart._getSortedDatasetMetas().map((meta)=>{ + const style = meta.controller.getStyle(usePointStyle ? 0 : undefined); + const borderWidth = helpers_segment.toPadding(style.borderWidth); + return { + text: datasets[meta.index].label, + fillStyle: style.backgroundColor, + fontColor: color, + hidden: !meta.visible, + lineCap: style.borderCapStyle, + lineDash: style.borderDash, + lineDashOffset: style.borderDashOffset, + lineJoin: style.borderJoinStyle, + lineWidth: (borderWidth.width + borderWidth.height) / 4, + strokeStyle: style.borderColor, + pointStyle: pointStyle || style.pointStyle, + rotation: style.rotation, + textAlign: textAlign || style.textAlign, + borderRadius: useBorderRadius && (borderRadius || style.borderRadius), + datasetIndex: meta.index + }; + }, this); + } + }, + title: { + color: (ctx)=>ctx.chart.options.color, + display: false, + position: 'center', + text: '' + } + }, + descriptors: { + _scriptable: (name)=>!name.startsWith('on'), + labels: { + _scriptable: (name)=>![ + 'generateLabels', + 'filter', + 'sort' + ].includes(name) + } + } +}; + +class Title extends Element { + constructor(config){ + super(); + this.chart = config.chart; + this.options = config.options; + this.ctx = config.ctx; + this._padding = undefined; + this.top = undefined; + this.bottom = undefined; + this.left = undefined; + this.right = undefined; + this.width = undefined; + this.height = undefined; + this.position = undefined; + this.weight = undefined; + this.fullSize = undefined; + } + update(maxWidth, maxHeight) { + const opts = this.options; + this.left = 0; + this.top = 0; + if (!opts.display) { + this.width = this.height = this.right = this.bottom = 0; + return; + } + this.width = this.right = maxWidth; + this.height = this.bottom = maxHeight; + const lineCount = helpers_segment.isArray(opts.text) ? opts.text.length : 1; + this._padding = helpers_segment.toPadding(opts.padding); + const textSize = lineCount * helpers_segment.toFont(opts.font).lineHeight + this._padding.height; + if (this.isHorizontal()) { + this.height = textSize; + } else { + this.width = textSize; + } + } + isHorizontal() { + const pos = this.options.position; + return pos === 'top' || pos === 'bottom'; + } + _drawArgs(offset) { + const { top , left , bottom , right , options } = this; + const align = options.align; + let rotation = 0; + let maxWidth, titleX, titleY; + if (this.isHorizontal()) { + titleX = helpers_segment._alignStartEnd(align, left, right); + titleY = top + offset; + maxWidth = right - left; + } else { + if (options.position === 'left') { + titleX = left + offset; + titleY = helpers_segment._alignStartEnd(align, bottom, top); + rotation = helpers_segment.PI * -0.5; + } else { + titleX = right - offset; + titleY = helpers_segment._alignStartEnd(align, top, bottom); + rotation = helpers_segment.PI * 0.5; + } + maxWidth = bottom - top; + } + return { + titleX, + titleY, + maxWidth, + rotation + }; + } + draw() { + const ctx = this.ctx; + const opts = this.options; + if (!opts.display) { + return; + } + const fontOpts = helpers_segment.toFont(opts.font); + const lineHeight = fontOpts.lineHeight; + const offset = lineHeight / 2 + this._padding.top; + const { titleX , titleY , maxWidth , rotation } = this._drawArgs(offset); + helpers_segment.renderText(ctx, opts.text, 0, 0, fontOpts, { + color: opts.color, + maxWidth, + rotation, + textAlign: helpers_segment._toLeftRightCenter(opts.align), + textBaseline: 'middle', + translation: [ + titleX, + titleY + ] + }); + } +} +function createTitle(chart, titleOpts) { + const title = new Title({ + ctx: chart.ctx, + options: titleOpts, + chart + }); + layouts.configure(chart, title, titleOpts); + layouts.addBox(chart, title); + chart.titleBlock = title; +} +var plugin_title = { + id: 'title', + _element: Title, + start (chart, _args, options) { + createTitle(chart, options); + }, + stop (chart) { + const titleBlock = chart.titleBlock; + layouts.removeBox(chart, titleBlock); + delete chart.titleBlock; + }, + beforeUpdate (chart, _args, options) { + const title = chart.titleBlock; + layouts.configure(chart, title, options); + title.options = options; + }, + defaults: { + align: 'center', + display: false, + font: { + weight: 'bold' + }, + fullSize: true, + padding: 10, + position: 'top', + text: '', + weight: 2000 + }, + defaultRoutes: { + color: 'color' + }, + descriptors: { + _scriptable: true, + _indexable: false + } +}; + +const map = new WeakMap(); +var plugin_subtitle = { + id: 'subtitle', + start (chart, _args, options) { + const title = new Title({ + ctx: chart.ctx, + options, + chart + }); + layouts.configure(chart, title, options); + layouts.addBox(chart, title); + map.set(chart, title); + }, + stop (chart) { + layouts.removeBox(chart, map.get(chart)); + map.delete(chart); + }, + beforeUpdate (chart, _args, options) { + const title = map.get(chart); + layouts.configure(chart, title, options); + title.options = options; + }, + defaults: { + align: 'center', + display: false, + font: { + weight: 'normal' + }, + fullSize: true, + padding: 0, + position: 'top', + text: '', + weight: 1500 + }, + defaultRoutes: { + color: 'color' + }, + descriptors: { + _scriptable: true, + _indexable: false + } +}; + +const positioners = { + average (items) { + if (!items.length) { + return false; + } + let i, len; + let x = 0; + let y = 0; + let count = 0; + for(i = 0, len = items.length; i < len; ++i){ + const el = items[i].element; + if (el && el.hasValue()) { + const pos = el.tooltipPosition(); + x += pos.x; + y += pos.y; + ++count; + } + } + return { + x: x / count, + y: y / count + }; + }, + nearest (items, eventPosition) { + if (!items.length) { + return false; + } + let x = eventPosition.x; + let y = eventPosition.y; + let minDistance = Number.POSITIVE_INFINITY; + let i, len, nearestElement; + for(i = 0, len = items.length; i < len; ++i){ + const el = items[i].element; + if (el && el.hasValue()) { + const center = el.getCenterPoint(); + const d = helpers_segment.distanceBetweenPoints(eventPosition, center); + if (d < minDistance) { + minDistance = d; + nearestElement = el; + } + } + } + if (nearestElement) { + const tp = nearestElement.tooltipPosition(); + x = tp.x; + y = tp.y; + } + return { + x, + y + }; + } +}; +function pushOrConcat(base, toPush) { + if (toPush) { + if (helpers_segment.isArray(toPush)) { + Array.prototype.push.apply(base, toPush); + } else { + base.push(toPush); + } + } + return base; +} + function splitNewlines(str) { + if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) { + return str.split('\n'); + } + return str; +} + function createTooltipItem(chart, item) { + const { element , datasetIndex , index } = item; + const controller = chart.getDatasetMeta(datasetIndex).controller; + const { label , value } = controller.getLabelAndValue(index); + return { + chart, + label, + parsed: controller.getParsed(index), + raw: chart.data.datasets[datasetIndex].data[index], + formattedValue: value, + dataset: controller.getDataset(), + dataIndex: index, + datasetIndex, + element + }; +} + function getTooltipSize(tooltip, options) { + const ctx = tooltip.chart.ctx; + const { body , footer , title } = tooltip; + const { boxWidth , boxHeight } = options; + const bodyFont = helpers_segment.toFont(options.bodyFont); + const titleFont = helpers_segment.toFont(options.titleFont); + const footerFont = helpers_segment.toFont(options.footerFont); + const titleLineCount = title.length; + const footerLineCount = footer.length; + const bodyLineItemCount = body.length; + const padding = helpers_segment.toPadding(options.padding); + let height = padding.height; + let width = 0; + let combinedBodyLength = body.reduce((count, bodyItem)=>count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length, 0); + combinedBodyLength += tooltip.beforeBody.length + tooltip.afterBody.length; + if (titleLineCount) { + height += titleLineCount * titleFont.lineHeight + (titleLineCount - 1) * options.titleSpacing + options.titleMarginBottom; + } + if (combinedBodyLength) { + const bodyLineHeight = options.displayColors ? Math.max(boxHeight, bodyFont.lineHeight) : bodyFont.lineHeight; + height += bodyLineItemCount * bodyLineHeight + (combinedBodyLength - bodyLineItemCount) * bodyFont.lineHeight + (combinedBodyLength - 1) * options.bodySpacing; + } + if (footerLineCount) { + height += options.footerMarginTop + footerLineCount * footerFont.lineHeight + (footerLineCount - 1) * options.footerSpacing; + } + let widthPadding = 0; + const maxLineWidth = function(line) { + width = Math.max(width, ctx.measureText(line).width + widthPadding); + }; + ctx.save(); + ctx.font = titleFont.string; + helpers_segment.each(tooltip.title, maxLineWidth); + ctx.font = bodyFont.string; + helpers_segment.each(tooltip.beforeBody.concat(tooltip.afterBody), maxLineWidth); + widthPadding = options.displayColors ? boxWidth + 2 + options.boxPadding : 0; + helpers_segment.each(body, (bodyItem)=>{ + helpers_segment.each(bodyItem.before, maxLineWidth); + helpers_segment.each(bodyItem.lines, maxLineWidth); + helpers_segment.each(bodyItem.after, maxLineWidth); + }); + widthPadding = 0; + ctx.font = footerFont.string; + helpers_segment.each(tooltip.footer, maxLineWidth); + ctx.restore(); + width += padding.width; + return { + width, + height + }; +} +function determineYAlign(chart, size) { + const { y , height } = size; + if (y < height / 2) { + return 'top'; + } else if (y > chart.height - height / 2) { + return 'bottom'; + } + return 'center'; +} +function doesNotFitWithAlign(xAlign, chart, options, size) { + const { x , width } = size; + const caret = options.caretSize + options.caretPadding; + if (xAlign === 'left' && x + width + caret > chart.width) { + return true; + } + if (xAlign === 'right' && x - width - caret < 0) { + return true; + } +} +function determineXAlign(chart, options, size, yAlign) { + const { x , width } = size; + const { width: chartWidth , chartArea: { left , right } } = chart; + let xAlign = 'center'; + if (yAlign === 'center') { + xAlign = x <= (left + right) / 2 ? 'left' : 'right'; + } else if (x <= width / 2) { + xAlign = 'left'; + } else if (x >= chartWidth - width / 2) { + xAlign = 'right'; + } + if (doesNotFitWithAlign(xAlign, chart, options, size)) { + xAlign = 'center'; + } + return xAlign; +} + function determineAlignment(chart, options, size) { + const yAlign = size.yAlign || options.yAlign || determineYAlign(chart, size); + return { + xAlign: size.xAlign || options.xAlign || determineXAlign(chart, options, size, yAlign), + yAlign + }; +} +function alignX(size, xAlign) { + let { x , width } = size; + if (xAlign === 'right') { + x -= width; + } else if (xAlign === 'center') { + x -= width / 2; + } + return x; +} +function alignY(size, yAlign, paddingAndSize) { + let { y , height } = size; + if (yAlign === 'top') { + y += paddingAndSize; + } else if (yAlign === 'bottom') { + y -= height + paddingAndSize; + } else { + y -= height / 2; + } + return y; +} + function getBackgroundPoint(options, size, alignment, chart) { + const { caretSize , caretPadding , cornerRadius } = options; + const { xAlign , yAlign } = alignment; + const paddingAndSize = caretSize + caretPadding; + const { topLeft , topRight , bottomLeft , bottomRight } = helpers_segment.toTRBLCorners(cornerRadius); + let x = alignX(size, xAlign); + const y = alignY(size, yAlign, paddingAndSize); + if (yAlign === 'center') { + if (xAlign === 'left') { + x += paddingAndSize; + } else if (xAlign === 'right') { + x -= paddingAndSize; + } + } else if (xAlign === 'left') { + x -= Math.max(topLeft, bottomLeft) + caretSize; + } else if (xAlign === 'right') { + x += Math.max(topRight, bottomRight) + caretSize; + } + return { + x: helpers_segment._limitValue(x, 0, chart.width - size.width), + y: helpers_segment._limitValue(y, 0, chart.height - size.height) + }; +} +function getAlignedX(tooltip, align, options) { + const padding = helpers_segment.toPadding(options.padding); + return align === 'center' ? tooltip.x + tooltip.width / 2 : align === 'right' ? tooltip.x + tooltip.width - padding.right : tooltip.x + padding.left; +} + function getBeforeAfterBodyLines(callback) { + return pushOrConcat([], splitNewlines(callback)); +} +function createTooltipContext(parent, tooltip, tooltipItems) { + return helpers_segment.createContext(parent, { + tooltip, + tooltipItems, + type: 'tooltip' + }); +} +function overrideCallbacks(callbacks, context) { + const override = context && context.dataset && context.dataset.tooltip && context.dataset.tooltip.callbacks; + return override ? callbacks.override(override) : callbacks; +} +const defaultCallbacks = { + beforeTitle: helpers_segment.noop, + title (tooltipItems) { + if (tooltipItems.length > 0) { + const item = tooltipItems[0]; + const labels = item.chart.data.labels; + const labelCount = labels ? labels.length : 0; + if (this && this.options && this.options.mode === 'dataset') { + return item.dataset.label || ''; + } else if (item.label) { + return item.label; + } else if (labelCount > 0 && item.dataIndex < labelCount) { + return labels[item.dataIndex]; + } + } + return ''; + }, + afterTitle: helpers_segment.noop, + beforeBody: helpers_segment.noop, + beforeLabel: helpers_segment.noop, + label (tooltipItem) { + if (this && this.options && this.options.mode === 'dataset') { + return tooltipItem.label + ': ' + tooltipItem.formattedValue || tooltipItem.formattedValue; + } + let label = tooltipItem.dataset.label || ''; + if (label) { + label += ': '; + } + const value = tooltipItem.formattedValue; + if (!helpers_segment.isNullOrUndef(value)) { + label += value; + } + return label; + }, + labelColor (tooltipItem) { + const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex); + const options = meta.controller.getStyle(tooltipItem.dataIndex); + return { + borderColor: options.borderColor, + backgroundColor: options.backgroundColor, + borderWidth: options.borderWidth, + borderDash: options.borderDash, + borderDashOffset: options.borderDashOffset, + borderRadius: 0 + }; + }, + labelTextColor () { + return this.options.bodyColor; + }, + labelPointStyle (tooltipItem) { + const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex); + const options = meta.controller.getStyle(tooltipItem.dataIndex); + return { + pointStyle: options.pointStyle, + rotation: options.rotation + }; + }, + afterLabel: helpers_segment.noop, + afterBody: helpers_segment.noop, + beforeFooter: helpers_segment.noop, + footer: helpers_segment.noop, + afterFooter: helpers_segment.noop +}; + function invokeCallbackWithFallback(callbacks, name, ctx, arg) { + const result = callbacks[name].call(ctx, arg); + if (typeof result === 'undefined') { + return defaultCallbacks[name].call(ctx, arg); + } + return result; +} +class Tooltip extends Element { + static positioners = positioners; + constructor(config){ + super(); + this.opacity = 0; + this._active = []; + this._eventPosition = undefined; + this._size = undefined; + this._cachedAnimations = undefined; + this._tooltipItems = []; + this.$animations = undefined; + this.$context = undefined; + this.chart = config.chart; + this.options = config.options; + this.dataPoints = undefined; + this.title = undefined; + this.beforeBody = undefined; + this.body = undefined; + this.afterBody = undefined; + this.footer = undefined; + this.xAlign = undefined; + this.yAlign = undefined; + this.x = undefined; + this.y = undefined; + this.height = undefined; + this.width = undefined; + this.caretX = undefined; + this.caretY = undefined; + this.labelColors = undefined; + this.labelPointStyles = undefined; + this.labelTextColors = undefined; + } + initialize(options) { + this.options = options; + this._cachedAnimations = undefined; + this.$context = undefined; + } + _resolveAnimations() { + const cached = this._cachedAnimations; + if (cached) { + return cached; + } + const chart = this.chart; + const options = this.options.setContext(this.getContext()); + const opts = options.enabled && chart.options.animation && options.animations; + const animations = new Animations(this.chart, opts); + if (opts._cacheable) { + this._cachedAnimations = Object.freeze(animations); + } + return animations; + } + getContext() { + return this.$context || (this.$context = createTooltipContext(this.chart.getContext(), this, this._tooltipItems)); + } + getTitle(context, options) { + const { callbacks } = options; + const beforeTitle = invokeCallbackWithFallback(callbacks, 'beforeTitle', this, context); + const title = invokeCallbackWithFallback(callbacks, 'title', this, context); + const afterTitle = invokeCallbackWithFallback(callbacks, 'afterTitle', this, context); + let lines = []; + lines = pushOrConcat(lines, splitNewlines(beforeTitle)); + lines = pushOrConcat(lines, splitNewlines(title)); + lines = pushOrConcat(lines, splitNewlines(afterTitle)); + return lines; + } + getBeforeBody(tooltipItems, options) { + return getBeforeAfterBodyLines(invokeCallbackWithFallback(options.callbacks, 'beforeBody', this, tooltipItems)); + } + getBody(tooltipItems, options) { + const { callbacks } = options; + const bodyItems = []; + helpers_segment.each(tooltipItems, (context)=>{ + const bodyItem = { + before: [], + lines: [], + after: [] + }; + const scoped = overrideCallbacks(callbacks, context); + pushOrConcat(bodyItem.before, splitNewlines(invokeCallbackWithFallback(scoped, 'beforeLabel', this, context))); + pushOrConcat(bodyItem.lines, invokeCallbackWithFallback(scoped, 'label', this, context)); + pushOrConcat(bodyItem.after, splitNewlines(invokeCallbackWithFallback(scoped, 'afterLabel', this, context))); + bodyItems.push(bodyItem); + }); + return bodyItems; + } + getAfterBody(tooltipItems, options) { + return getBeforeAfterBodyLines(invokeCallbackWithFallback(options.callbacks, 'afterBody', this, tooltipItems)); + } + getFooter(tooltipItems, options) { + const { callbacks } = options; + const beforeFooter = invokeCallbackWithFallback(callbacks, 'beforeFooter', this, tooltipItems); + const footer = invokeCallbackWithFallback(callbacks, 'footer', this, tooltipItems); + const afterFooter = invokeCallbackWithFallback(callbacks, 'afterFooter', this, tooltipItems); + let lines = []; + lines = pushOrConcat(lines, splitNewlines(beforeFooter)); + lines = pushOrConcat(lines, splitNewlines(footer)); + lines = pushOrConcat(lines, splitNewlines(afterFooter)); + return lines; + } + _createItems(options) { + const active = this._active; + const data = this.chart.data; + const labelColors = []; + const labelPointStyles = []; + const labelTextColors = []; + let tooltipItems = []; + let i, len; + for(i = 0, len = active.length; i < len; ++i){ + tooltipItems.push(createTooltipItem(this.chart, active[i])); + } + if (options.filter) { + tooltipItems = tooltipItems.filter((element, index, array)=>options.filter(element, index, array, data)); + } + if (options.itemSort) { + tooltipItems = tooltipItems.sort((a, b)=>options.itemSort(a, b, data)); + } + helpers_segment.each(tooltipItems, (context)=>{ + const scoped = overrideCallbacks(options.callbacks, context); + labelColors.push(invokeCallbackWithFallback(scoped, 'labelColor', this, context)); + labelPointStyles.push(invokeCallbackWithFallback(scoped, 'labelPointStyle', this, context)); + labelTextColors.push(invokeCallbackWithFallback(scoped, 'labelTextColor', this, context)); + }); + this.labelColors = labelColors; + this.labelPointStyles = labelPointStyles; + this.labelTextColors = labelTextColors; + this.dataPoints = tooltipItems; + return tooltipItems; + } + update(changed, replay) { + const options = this.options.setContext(this.getContext()); + const active = this._active; + let properties; + let tooltipItems = []; + if (!active.length) { + if (this.opacity !== 0) { + properties = { + opacity: 0 + }; + } + } else { + const position = positioners[options.position].call(this, active, this._eventPosition); + tooltipItems = this._createItems(options); + this.title = this.getTitle(tooltipItems, options); + this.beforeBody = this.getBeforeBody(tooltipItems, options); + this.body = this.getBody(tooltipItems, options); + this.afterBody = this.getAfterBody(tooltipItems, options); + this.footer = this.getFooter(tooltipItems, options); + const size = this._size = getTooltipSize(this, options); + const positionAndSize = Object.assign({}, position, size); + const alignment = determineAlignment(this.chart, options, positionAndSize); + const backgroundPoint = getBackgroundPoint(options, positionAndSize, alignment, this.chart); + this.xAlign = alignment.xAlign; + this.yAlign = alignment.yAlign; + properties = { + opacity: 1, + x: backgroundPoint.x, + y: backgroundPoint.y, + width: size.width, + height: size.height, + caretX: position.x, + caretY: position.y + }; + } + this._tooltipItems = tooltipItems; + this.$context = undefined; + if (properties) { + this._resolveAnimations().update(this, properties); + } + if (changed && options.external) { + options.external.call(this, { + chart: this.chart, + tooltip: this, + replay + }); + } + } + drawCaret(tooltipPoint, ctx, size, options) { + const caretPosition = this.getCaretPosition(tooltipPoint, size, options); + ctx.lineTo(caretPosition.x1, caretPosition.y1); + ctx.lineTo(caretPosition.x2, caretPosition.y2); + ctx.lineTo(caretPosition.x3, caretPosition.y3); + } + getCaretPosition(tooltipPoint, size, options) { + const { xAlign , yAlign } = this; + const { caretSize , cornerRadius } = options; + const { topLeft , topRight , bottomLeft , bottomRight } = helpers_segment.toTRBLCorners(cornerRadius); + const { x: ptX , y: ptY } = tooltipPoint; + const { width , height } = size; + let x1, x2, x3, y1, y2, y3; + if (yAlign === 'center') { + y2 = ptY + height / 2; + if (xAlign === 'left') { + x1 = ptX; + x2 = x1 - caretSize; + y1 = y2 + caretSize; + y3 = y2 - caretSize; + } else { + x1 = ptX + width; + x2 = x1 + caretSize; + y1 = y2 - caretSize; + y3 = y2 + caretSize; + } + x3 = x1; + } else { + if (xAlign === 'left') { + x2 = ptX + Math.max(topLeft, bottomLeft) + caretSize; + } else if (xAlign === 'right') { + x2 = ptX + width - Math.max(topRight, bottomRight) - caretSize; + } else { + x2 = this.caretX; + } + if (yAlign === 'top') { + y1 = ptY; + y2 = y1 - caretSize; + x1 = x2 - caretSize; + x3 = x2 + caretSize; + } else { + y1 = ptY + height; + y2 = y1 + caretSize; + x1 = x2 + caretSize; + x3 = x2 - caretSize; + } + y3 = y1; + } + return { + x1, + x2, + x3, + y1, + y2, + y3 + }; + } + drawTitle(pt, ctx, options) { + const title = this.title; + const length = title.length; + let titleFont, titleSpacing, i; + if (length) { + const rtlHelper = helpers_segment.getRtlAdapter(options.rtl, this.x, this.width); + pt.x = getAlignedX(this, options.titleAlign, options); + ctx.textAlign = rtlHelper.textAlign(options.titleAlign); + ctx.textBaseline = 'middle'; + titleFont = helpers_segment.toFont(options.titleFont); + titleSpacing = options.titleSpacing; + ctx.fillStyle = options.titleColor; + ctx.font = titleFont.string; + for(i = 0; i < length; ++i){ + ctx.fillText(title[i], rtlHelper.x(pt.x), pt.y + titleFont.lineHeight / 2); + pt.y += titleFont.lineHeight + titleSpacing; + if (i + 1 === length) { + pt.y += options.titleMarginBottom - titleSpacing; + } + } + } + } + _drawColorBox(ctx, pt, i, rtlHelper, options) { + const labelColor = this.labelColors[i]; + const labelPointStyle = this.labelPointStyles[i]; + const { boxHeight , boxWidth } = options; + const bodyFont = helpers_segment.toFont(options.bodyFont); + const colorX = getAlignedX(this, 'left', options); + const rtlColorX = rtlHelper.x(colorX); + const yOffSet = boxHeight < bodyFont.lineHeight ? (bodyFont.lineHeight - boxHeight) / 2 : 0; + const colorY = pt.y + yOffSet; + if (options.usePointStyle) { + const drawOptions = { + radius: Math.min(boxWidth, boxHeight) / 2, + pointStyle: labelPointStyle.pointStyle, + rotation: labelPointStyle.rotation, + borderWidth: 1 + }; + const centerX = rtlHelper.leftForLtr(rtlColorX, boxWidth) + boxWidth / 2; + const centerY = colorY + boxHeight / 2; + ctx.strokeStyle = options.multiKeyBackground; + ctx.fillStyle = options.multiKeyBackground; + helpers_segment.drawPoint(ctx, drawOptions, centerX, centerY); + ctx.strokeStyle = labelColor.borderColor; + ctx.fillStyle = labelColor.backgroundColor; + helpers_segment.drawPoint(ctx, drawOptions, centerX, centerY); + } else { + ctx.lineWidth = helpers_segment.isObject(labelColor.borderWidth) ? Math.max(...Object.values(labelColor.borderWidth)) : labelColor.borderWidth || 1; + ctx.strokeStyle = labelColor.borderColor; + ctx.setLineDash(labelColor.borderDash || []); + ctx.lineDashOffset = labelColor.borderDashOffset || 0; + const outerX = rtlHelper.leftForLtr(rtlColorX, boxWidth); + const innerX = rtlHelper.leftForLtr(rtlHelper.xPlus(rtlColorX, 1), boxWidth - 2); + const borderRadius = helpers_segment.toTRBLCorners(labelColor.borderRadius); + if (Object.values(borderRadius).some((v)=>v !== 0)) { + ctx.beginPath(); + ctx.fillStyle = options.multiKeyBackground; + helpers_segment.addRoundedRectPath(ctx, { + x: outerX, + y: colorY, + w: boxWidth, + h: boxHeight, + radius: borderRadius + }); + ctx.fill(); + ctx.stroke(); + ctx.fillStyle = labelColor.backgroundColor; + ctx.beginPath(); + helpers_segment.addRoundedRectPath(ctx, { + x: innerX, + y: colorY + 1, + w: boxWidth - 2, + h: boxHeight - 2, + radius: borderRadius + }); + ctx.fill(); + } else { + ctx.fillStyle = options.multiKeyBackground; + ctx.fillRect(outerX, colorY, boxWidth, boxHeight); + ctx.strokeRect(outerX, colorY, boxWidth, boxHeight); + ctx.fillStyle = labelColor.backgroundColor; + ctx.fillRect(innerX, colorY + 1, boxWidth - 2, boxHeight - 2); + } + } + ctx.fillStyle = this.labelTextColors[i]; + } + drawBody(pt, ctx, options) { + const { body } = this; + const { bodySpacing , bodyAlign , displayColors , boxHeight , boxWidth , boxPadding } = options; + const bodyFont = helpers_segment.toFont(options.bodyFont); + let bodyLineHeight = bodyFont.lineHeight; + let xLinePadding = 0; + const rtlHelper = helpers_segment.getRtlAdapter(options.rtl, this.x, this.width); + const fillLineOfText = function(line) { + ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyLineHeight / 2); + pt.y += bodyLineHeight + bodySpacing; + }; + const bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign); + let bodyItem, textColor, lines, i, j, ilen, jlen; + ctx.textAlign = bodyAlign; + ctx.textBaseline = 'middle'; + ctx.font = bodyFont.string; + pt.x = getAlignedX(this, bodyAlignForCalculation, options); + ctx.fillStyle = options.bodyColor; + helpers_segment.each(this.beforeBody, fillLineOfText); + xLinePadding = displayColors && bodyAlignForCalculation !== 'right' ? bodyAlign === 'center' ? boxWidth / 2 + boxPadding : boxWidth + 2 + boxPadding : 0; + for(i = 0, ilen = body.length; i < ilen; ++i){ + bodyItem = body[i]; + textColor = this.labelTextColors[i]; + ctx.fillStyle = textColor; + helpers_segment.each(bodyItem.before, fillLineOfText); + lines = bodyItem.lines; + if (displayColors && lines.length) { + this._drawColorBox(ctx, pt, i, rtlHelper, options); + bodyLineHeight = Math.max(bodyFont.lineHeight, boxHeight); + } + for(j = 0, jlen = lines.length; j < jlen; ++j){ + fillLineOfText(lines[j]); + bodyLineHeight = bodyFont.lineHeight; + } + helpers_segment.each(bodyItem.after, fillLineOfText); + } + xLinePadding = 0; + bodyLineHeight = bodyFont.lineHeight; + helpers_segment.each(this.afterBody, fillLineOfText); + pt.y -= bodySpacing; + } + drawFooter(pt, ctx, options) { + const footer = this.footer; + const length = footer.length; + let footerFont, i; + if (length) { + const rtlHelper = helpers_segment.getRtlAdapter(options.rtl, this.x, this.width); + pt.x = getAlignedX(this, options.footerAlign, options); + pt.y += options.footerMarginTop; + ctx.textAlign = rtlHelper.textAlign(options.footerAlign); + ctx.textBaseline = 'middle'; + footerFont = helpers_segment.toFont(options.footerFont); + ctx.fillStyle = options.footerColor; + ctx.font = footerFont.string; + for(i = 0; i < length; ++i){ + ctx.fillText(footer[i], rtlHelper.x(pt.x), pt.y + footerFont.lineHeight / 2); + pt.y += footerFont.lineHeight + options.footerSpacing; + } + } + } + drawBackground(pt, ctx, tooltipSize, options) { + const { xAlign , yAlign } = this; + const { x , y } = pt; + const { width , height } = tooltipSize; + const { topLeft , topRight , bottomLeft , bottomRight } = helpers_segment.toTRBLCorners(options.cornerRadius); + ctx.fillStyle = options.backgroundColor; + ctx.strokeStyle = options.borderColor; + ctx.lineWidth = options.borderWidth; + ctx.beginPath(); + ctx.moveTo(x + topLeft, y); + if (yAlign === 'top') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + width - topRight, y); + ctx.quadraticCurveTo(x + width, y, x + width, y + topRight); + if (yAlign === 'center' && xAlign === 'right') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + width, y + height - bottomRight); + ctx.quadraticCurveTo(x + width, y + height, x + width - bottomRight, y + height); + if (yAlign === 'bottom') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + bottomLeft, y + height); + ctx.quadraticCurveTo(x, y + height, x, y + height - bottomLeft); + if (yAlign === 'center' && xAlign === 'left') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x, y + topLeft); + ctx.quadraticCurveTo(x, y, x + topLeft, y); + ctx.closePath(); + ctx.fill(); + if (options.borderWidth > 0) { + ctx.stroke(); + } + } + _updateAnimationTarget(options) { + const chart = this.chart; + const anims = this.$animations; + const animX = anims && anims.x; + const animY = anims && anims.y; + if (animX || animY) { + const position = positioners[options.position].call(this, this._active, this._eventPosition); + if (!position) { + return; + } + const size = this._size = getTooltipSize(this, options); + const positionAndSize = Object.assign({}, position, this._size); + const alignment = determineAlignment(chart, options, positionAndSize); + const point = getBackgroundPoint(options, positionAndSize, alignment, chart); + if (animX._to !== point.x || animY._to !== point.y) { + this.xAlign = alignment.xAlign; + this.yAlign = alignment.yAlign; + this.width = size.width; + this.height = size.height; + this.caretX = position.x; + this.caretY = position.y; + this._resolveAnimations().update(this, point); + } + } + } + _willRender() { + return !!this.opacity; + } + draw(ctx) { + const options = this.options.setContext(this.getContext()); + let opacity = this.opacity; + if (!opacity) { + return; + } + this._updateAnimationTarget(options); + const tooltipSize = { + width: this.width, + height: this.height + }; + const pt = { + x: this.x, + y: this.y + }; + opacity = Math.abs(opacity) < 1e-3 ? 0 : opacity; + const padding = helpers_segment.toPadding(options.padding); + const hasTooltipContent = this.title.length || this.beforeBody.length || this.body.length || this.afterBody.length || this.footer.length; + if (options.enabled && hasTooltipContent) { + ctx.save(); + ctx.globalAlpha = opacity; + this.drawBackground(pt, ctx, tooltipSize, options); + helpers_segment.overrideTextDirection(ctx, options.textDirection); + pt.y += padding.top; + this.drawTitle(pt, ctx, options); + this.drawBody(pt, ctx, options); + this.drawFooter(pt, ctx, options); + helpers_segment.restoreTextDirection(ctx, options.textDirection); + ctx.restore(); + } + } + getActiveElements() { + return this._active || []; + } + setActiveElements(activeElements, eventPosition) { + const lastActive = this._active; + const active = activeElements.map(({ datasetIndex , index })=>{ + const meta = this.chart.getDatasetMeta(datasetIndex); + if (!meta) { + throw new Error('Cannot find a dataset at index ' + datasetIndex); + } + return { + datasetIndex, + element: meta.data[index], + index + }; + }); + const changed = !helpers_segment._elementsEqual(lastActive, active); + const positionChanged = this._positionChanged(active, eventPosition); + if (changed || positionChanged) { + this._active = active; + this._eventPosition = eventPosition; + this._ignoreReplayEvents = true; + this.update(true); + } + } + handleEvent(e, replay, inChartArea = true) { + if (replay && this._ignoreReplayEvents) { + return false; + } + this._ignoreReplayEvents = false; + const options = this.options; + const lastActive = this._active || []; + const active = this._getActiveElements(e, lastActive, replay, inChartArea); + const positionChanged = this._positionChanged(active, e); + const changed = replay || !helpers_segment._elementsEqual(active, lastActive) || positionChanged; + if (changed) { + this._active = active; + if (options.enabled || options.external) { + this._eventPosition = { + x: e.x, + y: e.y + }; + this.update(true, replay); + } + } + return changed; + } + _getActiveElements(e, lastActive, replay, inChartArea) { + const options = this.options; + if (e.type === 'mouseout') { + return []; + } + if (!inChartArea) { + return lastActive; + } + const active = this.chart.getElementsAtEventForMode(e, options.mode, options, replay); + if (options.reverse) { + active.reverse(); + } + return active; + } + _positionChanged(active, e) { + const { caretX , caretY , options } = this; + const position = positioners[options.position].call(this, active, e); + return position !== false && (caretX !== position.x || caretY !== position.y); + } +} +var plugin_tooltip = { + id: 'tooltip', + _element: Tooltip, + positioners, + afterInit (chart, _args, options) { + if (options) { + chart.tooltip = new Tooltip({ + chart, + options + }); + } + }, + beforeUpdate (chart, _args, options) { + if (chart.tooltip) { + chart.tooltip.initialize(options); + } + }, + reset (chart, _args, options) { + if (chart.tooltip) { + chart.tooltip.initialize(options); + } + }, + afterDraw (chart) { + const tooltip = chart.tooltip; + if (tooltip && tooltip._willRender()) { + const args = { + tooltip + }; + if (chart.notifyPlugins('beforeTooltipDraw', { + ...args, + cancelable: true + }) === false) { + return; + } + tooltip.draw(chart.ctx); + chart.notifyPlugins('afterTooltipDraw', args); + } + }, + afterEvent (chart, args) { + if (chart.tooltip) { + const useFinalPosition = args.replay; + if (chart.tooltip.handleEvent(args.event, useFinalPosition, args.inChartArea)) { + args.changed = true; + } + } + }, + defaults: { + enabled: true, + external: null, + position: 'average', + backgroundColor: 'rgba(0,0,0,0.8)', + titleColor: '#fff', + titleFont: { + weight: 'bold' + }, + titleSpacing: 2, + titleMarginBottom: 6, + titleAlign: 'left', + bodyColor: '#fff', + bodySpacing: 2, + bodyFont: {}, + bodyAlign: 'left', + footerColor: '#fff', + footerSpacing: 2, + footerMarginTop: 6, + footerFont: { + weight: 'bold' + }, + footerAlign: 'left', + padding: 6, + caretPadding: 2, + caretSize: 5, + cornerRadius: 6, + boxHeight: (ctx, opts)=>opts.bodyFont.size, + boxWidth: (ctx, opts)=>opts.bodyFont.size, + multiKeyBackground: '#fff', + displayColors: true, + boxPadding: 0, + borderColor: 'rgba(0,0,0,0)', + borderWidth: 0, + animation: { + duration: 400, + easing: 'easeOutQuart' + }, + animations: { + numbers: { + type: 'number', + properties: [ + 'x', + 'y', + 'width', + 'height', + 'caretX', + 'caretY' + ] + }, + opacity: { + easing: 'linear', + duration: 200 + } + }, + callbacks: defaultCallbacks + }, + defaultRoutes: { + bodyFont: 'font', + footerFont: 'font', + titleFont: 'font' + }, + descriptors: { + _scriptable: (name)=>name !== 'filter' && name !== 'itemSort' && name !== 'external', + _indexable: false, + callbacks: { + _scriptable: false, + _indexable: false + }, + animation: { + _fallback: false + }, + animations: { + _fallback: 'animation' + } + }, + additionalOptionScopes: [ + 'interaction' + ] +}; + +var plugins = /*#__PURE__*/Object.freeze({ +__proto__: null, +Colors: plugin_colors, +Decimation: plugin_decimation, +Filler: index, +Legend: plugin_legend, +SubTitle: plugin_subtitle, +Title: plugin_title, +Tooltip: plugin_tooltip +}); + +const addIfString = (labels, raw, index, addedLabels)=>{ + if (typeof raw === 'string') { + index = labels.push(raw) - 1; + addedLabels.unshift({ + index, + label: raw + }); + } else if (isNaN(raw)) { + index = null; + } + return index; +}; +function findOrAddLabel(labels, raw, index, addedLabels) { + const first = labels.indexOf(raw); + if (first === -1) { + return addIfString(labels, raw, index, addedLabels); + } + const last = labels.lastIndexOf(raw); + return first !== last ? index : first; +} +const validIndex = (index, max)=>index === null ? null : helpers_segment._limitValue(Math.round(index), 0, max); +function _getLabelForValue(value) { + const labels = this.getLabels(); + if (value >= 0 && value < labels.length) { + return labels[value]; + } + return value; +} +class CategoryScale extends Scale { + static id = 'category'; + static defaults = { + ticks: { + callback: _getLabelForValue + } + }; + constructor(cfg){ + super(cfg); + this._startValue = undefined; + this._valueRange = 0; + this._addedLabels = []; + } + init(scaleOptions) { + const added = this._addedLabels; + if (added.length) { + const labels = this.getLabels(); + for (const { index , label } of added){ + if (labels[index] === label) { + labels.splice(index, 1); + } + } + this._addedLabels = []; + } + super.init(scaleOptions); + } + parse(raw, index) { + if (helpers_segment.isNullOrUndef(raw)) { + return null; + } + const labels = this.getLabels(); + index = isFinite(index) && labels[index] === raw ? index : findOrAddLabel(labels, raw, helpers_segment.valueOrDefault(index, raw), this._addedLabels); + return validIndex(index, labels.length - 1); + } + determineDataLimits() { + const { minDefined , maxDefined } = this.getUserBounds(); + let { min , max } = this.getMinMax(true); + if (this.options.bounds === 'ticks') { + if (!minDefined) { + min = 0; + } + if (!maxDefined) { + max = this.getLabels().length - 1; + } + } + this.min = min; + this.max = max; + } + buildTicks() { + const min = this.min; + const max = this.max; + const offset = this.options.offset; + const ticks = []; + let labels = this.getLabels(); + labels = min === 0 && max === labels.length - 1 ? labels : labels.slice(min, max + 1); + this._valueRange = Math.max(labels.length - (offset ? 0 : 1), 1); + this._startValue = this.min - (offset ? 0.5 : 0); + for(let value = min; value <= max; value++){ + ticks.push({ + value + }); + } + return ticks; + } + getLabelForValue(value) { + return _getLabelForValue.call(this, value); + } + configure() { + super.configure(); + if (!this.isHorizontal()) { + this._reversePixels = !this._reversePixels; + } + } + getPixelForValue(value) { + if (typeof value !== 'number') { + value = this.parse(value); + } + return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange); + } + getPixelForTick(index) { + const ticks = this.ticks; + if (index < 0 || index > ticks.length - 1) { + return null; + } + return this.getPixelForValue(ticks[index].value); + } + getValueForPixel(pixel) { + return Math.round(this._startValue + this.getDecimalForPixel(pixel) * this._valueRange); + } + getBasePixel() { + return this.bottom; + } +} + +function generateTicks$1(generationOptions, dataRange) { + const ticks = []; + const MIN_SPACING = 1e-14; + const { bounds , step , min , max , precision , count , maxTicks , maxDigits , includeBounds } = generationOptions; + const unit = step || 1; + const maxSpaces = maxTicks - 1; + const { min: rmin , max: rmax } = dataRange; + const minDefined = !helpers_segment.isNullOrUndef(min); + const maxDefined = !helpers_segment.isNullOrUndef(max); + const countDefined = !helpers_segment.isNullOrUndef(count); + const minSpacing = (rmax - rmin) / (maxDigits + 1); + let spacing = helpers_segment.niceNum((rmax - rmin) / maxSpaces / unit) * unit; + let factor, niceMin, niceMax, numSpaces; + if (spacing < MIN_SPACING && !minDefined && !maxDefined) { + return [ + { + value: rmin + }, + { + value: rmax + } + ]; + } + numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing); + if (numSpaces > maxSpaces) { + spacing = helpers_segment.niceNum(numSpaces * spacing / maxSpaces / unit) * unit; + } + if (!helpers_segment.isNullOrUndef(precision)) { + factor = Math.pow(10, precision); + spacing = Math.ceil(spacing * factor) / factor; + } + if (bounds === 'ticks') { + niceMin = Math.floor(rmin / spacing) * spacing; + niceMax = Math.ceil(rmax / spacing) * spacing; + } else { + niceMin = rmin; + niceMax = rmax; + } + if (minDefined && maxDefined && step && helpers_segment.almostWhole((max - min) / step, spacing / 1000)) { + numSpaces = Math.round(Math.min((max - min) / spacing, maxTicks)); + spacing = (max - min) / numSpaces; + niceMin = min; + niceMax = max; + } else if (countDefined) { + niceMin = minDefined ? min : niceMin; + niceMax = maxDefined ? max : niceMax; + numSpaces = count - 1; + spacing = (niceMax - niceMin) / numSpaces; + } else { + numSpaces = (niceMax - niceMin) / spacing; + if (helpers_segment.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { + numSpaces = Math.round(numSpaces); + } else { + numSpaces = Math.ceil(numSpaces); + } + } + const decimalPlaces = Math.max(helpers_segment._decimalPlaces(spacing), helpers_segment._decimalPlaces(niceMin)); + factor = Math.pow(10, helpers_segment.isNullOrUndef(precision) ? decimalPlaces : precision); + niceMin = Math.round(niceMin * factor) / factor; + niceMax = Math.round(niceMax * factor) / factor; + let j = 0; + if (minDefined) { + if (includeBounds && niceMin !== min) { + ticks.push({ + value: min + }); + if (niceMin < min) { + j++; + } + if (helpers_segment.almostEquals(Math.round((niceMin + j * spacing) * factor) / factor, min, relativeLabelSize(min, minSpacing, generationOptions))) { + j++; + } + } else if (niceMin < min) { + j++; + } + } + for(; j < numSpaces; ++j){ + const tickValue = Math.round((niceMin + j * spacing) * factor) / factor; + if (maxDefined && tickValue > max) { + break; + } + ticks.push({ + value: tickValue + }); + } + if (maxDefined && includeBounds && niceMax !== max) { + if (ticks.length && helpers_segment.almostEquals(ticks[ticks.length - 1].value, max, relativeLabelSize(max, minSpacing, generationOptions))) { + ticks[ticks.length - 1].value = max; + } else { + ticks.push({ + value: max + }); + } + } else if (!maxDefined || niceMax === max) { + ticks.push({ + value: niceMax + }); + } + return ticks; +} +function relativeLabelSize(value, minSpacing, { horizontal , minRotation }) { + const rad = helpers_segment.toRadians(minRotation); + const ratio = (horizontal ? Math.sin(rad) : Math.cos(rad)) || 0.001; + const length = 0.75 * minSpacing * ('' + value).length; + return Math.min(minSpacing / ratio, length); +} +class LinearScaleBase extends Scale { + constructor(cfg){ + super(cfg); + this.start = undefined; + this.end = undefined; + this._startValue = undefined; + this._endValue = undefined; + this._valueRange = 0; + } + parse(raw, index) { + if (helpers_segment.isNullOrUndef(raw)) { + return null; + } + if ((typeof raw === 'number' || raw instanceof Number) && !isFinite(+raw)) { + return null; + } + return +raw; + } + handleTickRangeOptions() { + const { beginAtZero } = this.options; + const { minDefined , maxDefined } = this.getUserBounds(); + let { min , max } = this; + const setMin = (v)=>min = minDefined ? min : v; + const setMax = (v)=>max = maxDefined ? max : v; + if (beginAtZero) { + const minSign = helpers_segment.sign(min); + const maxSign = helpers_segment.sign(max); + if (minSign < 0 && maxSign < 0) { + setMax(0); + } else if (minSign > 0 && maxSign > 0) { + setMin(0); + } + } + if (min === max) { + let offset = max === 0 ? 1 : Math.abs(max * 0.05); + setMax(max + offset); + if (!beginAtZero) { + setMin(min - offset); + } + } + this.min = min; + this.max = max; + } + getTickLimit() { + const tickOpts = this.options.ticks; + let { maxTicksLimit , stepSize } = tickOpts; + let maxTicks; + if (stepSize) { + maxTicks = Math.ceil(this.max / stepSize) - Math.floor(this.min / stepSize) + 1; + if (maxTicks > 1000) { + console.warn(`scales.${this.id}.ticks.stepSize: ${stepSize} would result generating up to ${maxTicks} ticks. Limiting to 1000.`); + maxTicks = 1000; + } + } else { + maxTicks = this.computeTickLimit(); + maxTicksLimit = maxTicksLimit || 11; + } + if (maxTicksLimit) { + maxTicks = Math.min(maxTicksLimit, maxTicks); + } + return maxTicks; + } + computeTickLimit() { + return Number.POSITIVE_INFINITY; + } + buildTicks() { + const opts = this.options; + const tickOpts = opts.ticks; + let maxTicks = this.getTickLimit(); + maxTicks = Math.max(2, maxTicks); + const numericGeneratorOptions = { + maxTicks, + bounds: opts.bounds, + min: opts.min, + max: opts.max, + precision: tickOpts.precision, + step: tickOpts.stepSize, + count: tickOpts.count, + maxDigits: this._maxDigits(), + horizontal: this.isHorizontal(), + minRotation: tickOpts.minRotation || 0, + includeBounds: tickOpts.includeBounds !== false + }; + const dataRange = this._range || this; + const ticks = generateTicks$1(numericGeneratorOptions, dataRange); + if (opts.bounds === 'ticks') { + helpers_segment._setMinAndMaxByKey(ticks, this, 'value'); + } + if (opts.reverse) { + ticks.reverse(); + this.start = this.max; + this.end = this.min; + } else { + this.start = this.min; + this.end = this.max; + } + return ticks; + } + configure() { + const ticks = this.ticks; + let start = this.min; + let end = this.max; + super.configure(); + if (this.options.offset && ticks.length) { + const offset = (end - start) / Math.max(ticks.length - 1, 1) / 2; + start -= offset; + end += offset; + } + this._startValue = start; + this._endValue = end; + this._valueRange = end - start; + } + getLabelForValue(value) { + return helpers_segment.formatNumber(value, this.chart.options.locale, this.options.ticks.format); + } +} + +class LinearScale extends LinearScaleBase { + static id = 'linear'; + static defaults = { + ticks: { + callback: helpers_segment.Ticks.formatters.numeric + } + }; + determineDataLimits() { + const { min , max } = this.getMinMax(true); + this.min = helpers_segment.isNumberFinite(min) ? min : 0; + this.max = helpers_segment.isNumberFinite(max) ? max : 1; + this.handleTickRangeOptions(); + } + computeTickLimit() { + const horizontal = this.isHorizontal(); + const length = horizontal ? this.width : this.height; + const minRotation = helpers_segment.toRadians(this.options.ticks.minRotation); + const ratio = (horizontal ? Math.sin(minRotation) : Math.cos(minRotation)) || 0.001; + const tickFont = this._resolveTickFontOptions(0); + return Math.ceil(length / Math.min(40, tickFont.lineHeight / ratio)); + } + getPixelForValue(value) { + return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange); + } + getValueForPixel(pixel) { + return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange; + } +} + +const log10Floor = (v)=>Math.floor(helpers_segment.log10(v)); +const changeExponent = (v, m)=>Math.pow(10, log10Floor(v) + m); +function isMajor(tickVal) { + const remain = tickVal / Math.pow(10, log10Floor(tickVal)); + return remain === 1; +} +function steps(min, max, rangeExp) { + const rangeStep = Math.pow(10, rangeExp); + const start = Math.floor(min / rangeStep); + const end = Math.ceil(max / rangeStep); + return end - start; +} +function startExp(min, max) { + const range = max - min; + let rangeExp = log10Floor(range); + while(steps(min, max, rangeExp) > 10){ + rangeExp++; + } + while(steps(min, max, rangeExp) < 10){ + rangeExp--; + } + return Math.min(rangeExp, log10Floor(min)); +} + function generateTicks(generationOptions, { min , max }) { + min = helpers_segment.finiteOrDefault(generationOptions.min, min); + const ticks = []; + const minExp = log10Floor(min); + let exp = startExp(min, max); + let precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1; + const stepSize = Math.pow(10, exp); + const base = minExp > exp ? Math.pow(10, minExp) : 0; + const start = Math.round((min - base) * precision) / precision; + const offset = Math.floor((min - base) / stepSize / 10) * stepSize * 10; + let significand = Math.floor((start - offset) / Math.pow(10, exp)); + let value = helpers_segment.finiteOrDefault(generationOptions.min, Math.round((base + offset + significand * Math.pow(10, exp)) * precision) / precision); + while(value < max){ + ticks.push({ + value, + major: isMajor(value), + significand + }); + if (significand >= 10) { + significand = significand < 15 ? 15 : 20; + } else { + significand++; + } + if (significand >= 20) { + exp++; + significand = 2; + precision = exp >= 0 ? 1 : precision; + } + value = Math.round((base + offset + significand * Math.pow(10, exp)) * precision) / precision; + } + const lastTick = helpers_segment.finiteOrDefault(generationOptions.max, value); + ticks.push({ + value: lastTick, + major: isMajor(lastTick), + significand + }); + return ticks; +} +class LogarithmicScale extends Scale { + static id = 'logarithmic'; + static defaults = { + ticks: { + callback: helpers_segment.Ticks.formatters.logarithmic, + major: { + enabled: true + } + } + }; + constructor(cfg){ + super(cfg); + this.start = undefined; + this.end = undefined; + this._startValue = undefined; + this._valueRange = 0; + } + parse(raw, index) { + const value = LinearScaleBase.prototype.parse.apply(this, [ + raw, + index + ]); + if (value === 0) { + this._zero = true; + return undefined; + } + return helpers_segment.isNumberFinite(value) && value > 0 ? value : null; + } + determineDataLimits() { + const { min , max } = this.getMinMax(true); + this.min = helpers_segment.isNumberFinite(min) ? Math.max(0, min) : null; + this.max = helpers_segment.isNumberFinite(max) ? Math.max(0, max) : null; + if (this.options.beginAtZero) { + this._zero = true; + } + if (this._zero && this.min !== this._suggestedMin && !helpers_segment.isNumberFinite(this._userMin)) { + this.min = min === changeExponent(this.min, 0) ? changeExponent(this.min, -1) : changeExponent(this.min, 0); + } + this.handleTickRangeOptions(); + } + handleTickRangeOptions() { + const { minDefined , maxDefined } = this.getUserBounds(); + let min = this.min; + let max = this.max; + const setMin = (v)=>min = minDefined ? min : v; + const setMax = (v)=>max = maxDefined ? max : v; + if (min === max) { + if (min <= 0) { + setMin(1); + setMax(10); + } else { + setMin(changeExponent(min, -1)); + setMax(changeExponent(max, +1)); + } + } + if (min <= 0) { + setMin(changeExponent(max, -1)); + } + if (max <= 0) { + setMax(changeExponent(min, +1)); + } + this.min = min; + this.max = max; + } + buildTicks() { + const opts = this.options; + const generationOptions = { + min: this._userMin, + max: this._userMax + }; + const ticks = generateTicks(generationOptions, this); + if (opts.bounds === 'ticks') { + helpers_segment._setMinAndMaxByKey(ticks, this, 'value'); + } + if (opts.reverse) { + ticks.reverse(); + this.start = this.max; + this.end = this.min; + } else { + this.start = this.min; + this.end = this.max; + } + return ticks; + } + getLabelForValue(value) { + return value === undefined ? '0' : helpers_segment.formatNumber(value, this.chart.options.locale, this.options.ticks.format); + } + configure() { + const start = this.min; + super.configure(); + this._startValue = helpers_segment.log10(start); + this._valueRange = helpers_segment.log10(this.max) - helpers_segment.log10(start); + } + getPixelForValue(value) { + if (value === undefined || value === 0) { + value = this.min; + } + if (value === null || isNaN(value)) { + return NaN; + } + return this.getPixelForDecimal(value === this.min ? 0 : (helpers_segment.log10(value) - this._startValue) / this._valueRange); + } + getValueForPixel(pixel) { + const decimal = this.getDecimalForPixel(pixel); + return Math.pow(10, this._startValue + decimal * this._valueRange); + } +} + +function getTickBackdropHeight(opts) { + const tickOpts = opts.ticks; + if (tickOpts.display && opts.display) { + const padding = helpers_segment.toPadding(tickOpts.backdropPadding); + return helpers_segment.valueOrDefault(tickOpts.font && tickOpts.font.size, helpers_segment.defaults.font.size) + padding.height; + } + return 0; +} +function measureLabelSize(ctx, font, label) { + label = helpers_segment.isArray(label) ? label : [ + label + ]; + return { + w: helpers_segment._longestText(ctx, font.string, label), + h: label.length * font.lineHeight + }; +} +function determineLimits(angle, pos, size, min, max) { + if (angle === min || angle === max) { + return { + start: pos - size / 2, + end: pos + size / 2 + }; + } else if (angle < min || angle > max) { + return { + start: pos - size, + end: pos + }; + } + return { + start: pos, + end: pos + size + }; +} + function fitWithPointLabels(scale) { + const orig = { + l: scale.left + scale._padding.left, + r: scale.right - scale._padding.right, + t: scale.top + scale._padding.top, + b: scale.bottom - scale._padding.bottom + }; + const limits = Object.assign({}, orig); + const labelSizes = []; + const padding = []; + const valueCount = scale._pointLabels.length; + const pointLabelOpts = scale.options.pointLabels; + const additionalAngle = pointLabelOpts.centerPointLabels ? helpers_segment.PI / valueCount : 0; + for(let i = 0; i < valueCount; i++){ + const opts = pointLabelOpts.setContext(scale.getPointLabelContext(i)); + padding[i] = opts.padding; + const pointPosition = scale.getPointPosition(i, scale.drawingArea + padding[i], additionalAngle); + const plFont = helpers_segment.toFont(opts.font); + const textSize = measureLabelSize(scale.ctx, plFont, scale._pointLabels[i]); + labelSizes[i] = textSize; + const angleRadians = helpers_segment._normalizeAngle(scale.getIndexAngle(i) + additionalAngle); + const angle = Math.round(helpers_segment.toDegrees(angleRadians)); + const hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); + const vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); + updateLimits(limits, orig, angleRadians, hLimits, vLimits); + } + scale.setCenterPoint(orig.l - limits.l, limits.r - orig.r, orig.t - limits.t, limits.b - orig.b); + scale._pointLabelItems = buildPointLabelItems(scale, labelSizes, padding); +} +function updateLimits(limits, orig, angle, hLimits, vLimits) { + const sin = Math.abs(Math.sin(angle)); + const cos = Math.abs(Math.cos(angle)); + let x = 0; + let y = 0; + if (hLimits.start < orig.l) { + x = (orig.l - hLimits.start) / sin; + limits.l = Math.min(limits.l, orig.l - x); + } else if (hLimits.end > orig.r) { + x = (hLimits.end - orig.r) / sin; + limits.r = Math.max(limits.r, orig.r + x); + } + if (vLimits.start < orig.t) { + y = (orig.t - vLimits.start) / cos; + limits.t = Math.min(limits.t, orig.t - y); + } else if (vLimits.end > orig.b) { + y = (vLimits.end - orig.b) / cos; + limits.b = Math.max(limits.b, orig.b + y); + } +} +function createPointLabelItem(scale, index, itemOpts) { + const outerDistance = scale.drawingArea; + const { extra , additionalAngle , padding , size } = itemOpts; + const pointLabelPosition = scale.getPointPosition(index, outerDistance + extra + padding, additionalAngle); + const angle = Math.round(helpers_segment.toDegrees(helpers_segment._normalizeAngle(pointLabelPosition.angle + helpers_segment.HALF_PI))); + const y = yForAngle(pointLabelPosition.y, size.h, angle); + const textAlign = getTextAlignForAngle(angle); + const left = leftForTextAlign(pointLabelPosition.x, size.w, textAlign); + return { + visible: true, + x: pointLabelPosition.x, + y, + textAlign, + left, + top: y, + right: left + size.w, + bottom: y + size.h + }; +} +function isNotOverlapped(item, area) { + if (!area) { + return true; + } + const { left , top , right , bottom } = item; + const apexesInArea = helpers_segment._isPointInArea({ + x: left, + y: top + }, area) || helpers_segment._isPointInArea({ + x: left, + y: bottom + }, area) || helpers_segment._isPointInArea({ + x: right, + y: top + }, area) || helpers_segment._isPointInArea({ + x: right, + y: bottom + }, area); + return !apexesInArea; +} +function buildPointLabelItems(scale, labelSizes, padding) { + const items = []; + const valueCount = scale._pointLabels.length; + const opts = scale.options; + const { centerPointLabels , display } = opts.pointLabels; + const itemOpts = { + extra: getTickBackdropHeight(opts) / 2, + additionalAngle: centerPointLabels ? helpers_segment.PI / valueCount : 0 + }; + let area; + for(let i = 0; i < valueCount; i++){ + itemOpts.padding = padding[i]; + itemOpts.size = labelSizes[i]; + const item = createPointLabelItem(scale, i, itemOpts); + items.push(item); + if (display === 'auto') { + item.visible = isNotOverlapped(item, area); + if (item.visible) { + area = item; + } + } + } + return items; +} +function getTextAlignForAngle(angle) { + if (angle === 0 || angle === 180) { + return 'center'; + } else if (angle < 180) { + return 'left'; + } + return 'right'; +} +function leftForTextAlign(x, w, align) { + if (align === 'right') { + x -= w; + } else if (align === 'center') { + x -= w / 2; + } + return x; +} +function yForAngle(y, h, angle) { + if (angle === 90 || angle === 270) { + y -= h / 2; + } else if (angle > 270 || angle < 90) { + y -= h; + } + return y; +} +function drawPointLabelBox(ctx, opts, item) { + const { left , top , right , bottom } = item; + const { backdropColor } = opts; + if (!helpers_segment.isNullOrUndef(backdropColor)) { + const borderRadius = helpers_segment.toTRBLCorners(opts.borderRadius); + const padding = helpers_segment.toPadding(opts.backdropPadding); + ctx.fillStyle = backdropColor; + const backdropLeft = left - padding.left; + const backdropTop = top - padding.top; + const backdropWidth = right - left + padding.width; + const backdropHeight = bottom - top + padding.height; + if (Object.values(borderRadius).some((v)=>v !== 0)) { + ctx.beginPath(); + helpers_segment.addRoundedRectPath(ctx, { + x: backdropLeft, + y: backdropTop, + w: backdropWidth, + h: backdropHeight, + radius: borderRadius + }); + ctx.fill(); + } else { + ctx.fillRect(backdropLeft, backdropTop, backdropWidth, backdropHeight); + } + } +} +function drawPointLabels(scale, labelCount) { + const { ctx , options: { pointLabels } } = scale; + for(let i = labelCount - 1; i >= 0; i--){ + const item = scale._pointLabelItems[i]; + if (!item.visible) { + continue; + } + const optsAtIndex = pointLabels.setContext(scale.getPointLabelContext(i)); + drawPointLabelBox(ctx, optsAtIndex, item); + const plFont = helpers_segment.toFont(optsAtIndex.font); + const { x , y , textAlign } = item; + helpers_segment.renderText(ctx, scale._pointLabels[i], x, y + plFont.lineHeight / 2, plFont, { + color: optsAtIndex.color, + textAlign: textAlign, + textBaseline: 'middle' + }); + } +} +function pathRadiusLine(scale, radius, circular, labelCount) { + const { ctx } = scale; + if (circular) { + ctx.arc(scale.xCenter, scale.yCenter, radius, 0, helpers_segment.TAU); + } else { + let pointPosition = scale.getPointPosition(0, radius); + ctx.moveTo(pointPosition.x, pointPosition.y); + for(let i = 1; i < labelCount; i++){ + pointPosition = scale.getPointPosition(i, radius); + ctx.lineTo(pointPosition.x, pointPosition.y); + } + } +} +function drawRadiusLine(scale, gridLineOpts, radius, labelCount, borderOpts) { + const ctx = scale.ctx; + const circular = gridLineOpts.circular; + const { color , lineWidth } = gridLineOpts; + if (!circular && !labelCount || !color || !lineWidth || radius < 0) { + return; + } + ctx.save(); + ctx.strokeStyle = color; + ctx.lineWidth = lineWidth; + ctx.setLineDash(borderOpts.dash); + ctx.lineDashOffset = borderOpts.dashOffset; + ctx.beginPath(); + pathRadiusLine(scale, radius, circular, labelCount); + ctx.closePath(); + ctx.stroke(); + ctx.restore(); +} +function createPointLabelContext(parent, index, label) { + return helpers_segment.createContext(parent, { + label, + index, + type: 'pointLabel' + }); +} +class RadialLinearScale extends LinearScaleBase { + static id = 'radialLinear'; + static defaults = { + display: true, + animate: true, + position: 'chartArea', + angleLines: { + display: true, + lineWidth: 1, + borderDash: [], + borderDashOffset: 0.0 + }, + grid: { + circular: false + }, + startAngle: 0, + ticks: { + showLabelBackdrop: true, + callback: helpers_segment.Ticks.formatters.numeric + }, + pointLabels: { + backdropColor: undefined, + backdropPadding: 2, + display: true, + font: { + size: 10 + }, + callback (label) { + return label; + }, + padding: 5, + centerPointLabels: false + } + }; + static defaultRoutes = { + 'angleLines.color': 'borderColor', + 'pointLabels.color': 'color', + 'ticks.color': 'color' + }; + static descriptors = { + angleLines: { + _fallback: 'grid' + } + }; + constructor(cfg){ + super(cfg); + this.xCenter = undefined; + this.yCenter = undefined; + this.drawingArea = undefined; + this._pointLabels = []; + this._pointLabelItems = []; + } + setDimensions() { + const padding = this._padding = helpers_segment.toPadding(getTickBackdropHeight(this.options) / 2); + const w = this.width = this.maxWidth - padding.width; + const h = this.height = this.maxHeight - padding.height; + this.xCenter = Math.floor(this.left + w / 2 + padding.left); + this.yCenter = Math.floor(this.top + h / 2 + padding.top); + this.drawingArea = Math.floor(Math.min(w, h) / 2); + } + determineDataLimits() { + const { min , max } = this.getMinMax(false); + this.min = helpers_segment.isNumberFinite(min) && !isNaN(min) ? min : 0; + this.max = helpers_segment.isNumberFinite(max) && !isNaN(max) ? max : 0; + this.handleTickRangeOptions(); + } + computeTickLimit() { + return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options)); + } + generateTickLabels(ticks) { + LinearScaleBase.prototype.generateTickLabels.call(this, ticks); + this._pointLabels = this.getLabels().map((value, index)=>{ + const label = helpers_segment.callback(this.options.pointLabels.callback, [ + value, + index + ], this); + return label || label === 0 ? label : ''; + }).filter((v, i)=>this.chart.getDataVisibility(i)); + } + fit() { + const opts = this.options; + if (opts.display && opts.pointLabels.display) { + fitWithPointLabels(this); + } else { + this.setCenterPoint(0, 0, 0, 0); + } + } + setCenterPoint(leftMovement, rightMovement, topMovement, bottomMovement) { + this.xCenter += Math.floor((leftMovement - rightMovement) / 2); + this.yCenter += Math.floor((topMovement - bottomMovement) / 2); + this.drawingArea -= Math.min(this.drawingArea / 2, Math.max(leftMovement, rightMovement, topMovement, bottomMovement)); + } + getIndexAngle(index) { + const angleMultiplier = helpers_segment.TAU / (this._pointLabels.length || 1); + const startAngle = this.options.startAngle || 0; + return helpers_segment._normalizeAngle(index * angleMultiplier + helpers_segment.toRadians(startAngle)); + } + getDistanceFromCenterForValue(value) { + if (helpers_segment.isNullOrUndef(value)) { + return NaN; + } + const scalingFactor = this.drawingArea / (this.max - this.min); + if (this.options.reverse) { + return (this.max - value) * scalingFactor; + } + return (value - this.min) * scalingFactor; + } + getValueForDistanceFromCenter(distance) { + if (helpers_segment.isNullOrUndef(distance)) { + return NaN; + } + const scaledDistance = distance / (this.drawingArea / (this.max - this.min)); + return this.options.reverse ? this.max - scaledDistance : this.min + scaledDistance; + } + getPointLabelContext(index) { + const pointLabels = this._pointLabels || []; + if (index >= 0 && index < pointLabels.length) { + const pointLabel = pointLabels[index]; + return createPointLabelContext(this.getContext(), index, pointLabel); + } + } + getPointPosition(index, distanceFromCenter, additionalAngle = 0) { + const angle = this.getIndexAngle(index) - helpers_segment.HALF_PI + additionalAngle; + return { + x: Math.cos(angle) * distanceFromCenter + this.xCenter, + y: Math.sin(angle) * distanceFromCenter + this.yCenter, + angle + }; + } + getPointPositionForValue(index, value) { + return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); + } + getBasePosition(index) { + return this.getPointPositionForValue(index || 0, this.getBaseValue()); + } + getPointLabelPosition(index) { + const { left , top , right , bottom } = this._pointLabelItems[index]; + return { + left, + top, + right, + bottom + }; + } + drawBackground() { + const { backgroundColor , grid: { circular } } = this.options; + if (backgroundColor) { + const ctx = this.ctx; + ctx.save(); + ctx.beginPath(); + pathRadiusLine(this, this.getDistanceFromCenterForValue(this._endValue), circular, this._pointLabels.length); + ctx.closePath(); + ctx.fillStyle = backgroundColor; + ctx.fill(); + ctx.restore(); + } + } + drawGrid() { + const ctx = this.ctx; + const opts = this.options; + const { angleLines , grid , border } = opts; + const labelCount = this._pointLabels.length; + let i, offset, position; + if (opts.pointLabels.display) { + drawPointLabels(this, labelCount); + } + if (grid.display) { + this.ticks.forEach((tick, index)=>{ + if (index !== 0) { + offset = this.getDistanceFromCenterForValue(tick.value); + const context = this.getContext(index); + const optsAtIndex = grid.setContext(context); + const optsAtIndexBorder = border.setContext(context); + drawRadiusLine(this, optsAtIndex, offset, labelCount, optsAtIndexBorder); + } + }); + } + if (angleLines.display) { + ctx.save(); + for(i = labelCount - 1; i >= 0; i--){ + const optsAtIndex = angleLines.setContext(this.getPointLabelContext(i)); + const { color , lineWidth } = optsAtIndex; + if (!lineWidth || !color) { + continue; + } + ctx.lineWidth = lineWidth; + ctx.strokeStyle = color; + ctx.setLineDash(optsAtIndex.borderDash); + ctx.lineDashOffset = optsAtIndex.borderDashOffset; + offset = this.getDistanceFromCenterForValue(opts.ticks.reverse ? this.min : this.max); + position = this.getPointPosition(i, offset); + ctx.beginPath(); + ctx.moveTo(this.xCenter, this.yCenter); + ctx.lineTo(position.x, position.y); + ctx.stroke(); + } + ctx.restore(); + } + } + drawBorder() {} + drawLabels() { + const ctx = this.ctx; + const opts = this.options; + const tickOpts = opts.ticks; + if (!tickOpts.display) { + return; + } + const startAngle = this.getIndexAngle(0); + let offset, width; + ctx.save(); + ctx.translate(this.xCenter, this.yCenter); + ctx.rotate(startAngle); + ctx.textAlign = 'center'; + ctx.textBaseline = 'middle'; + this.ticks.forEach((tick, index)=>{ + if (index === 0 && !opts.reverse) { + return; + } + const optsAtIndex = tickOpts.setContext(this.getContext(index)); + const tickFont = helpers_segment.toFont(optsAtIndex.font); + offset = this.getDistanceFromCenterForValue(this.ticks[index].value); + if (optsAtIndex.showLabelBackdrop) { + ctx.font = tickFont.string; + width = ctx.measureText(tick.label).width; + ctx.fillStyle = optsAtIndex.backdropColor; + const padding = helpers_segment.toPadding(optsAtIndex.backdropPadding); + ctx.fillRect(-width / 2 - padding.left, -offset - tickFont.size / 2 - padding.top, width + padding.width, tickFont.size + padding.height); + } + helpers_segment.renderText(ctx, tick.label, 0, -offset, tickFont, { + color: optsAtIndex.color, + strokeColor: optsAtIndex.textStrokeColor, + strokeWidth: optsAtIndex.textStrokeWidth + }); + }); + ctx.restore(); + } + drawTitle() {} +} + +const INTERVALS = { + millisecond: { + common: true, + size: 1, + steps: 1000 + }, + second: { + common: true, + size: 1000, + steps: 60 + }, + minute: { + common: true, + size: 60000, + steps: 60 + }, + hour: { + common: true, + size: 3600000, + steps: 24 + }, + day: { + common: true, + size: 86400000, + steps: 30 + }, + week: { + common: false, + size: 604800000, + steps: 4 + }, + month: { + common: true, + size: 2.628e9, + steps: 12 + }, + quarter: { + common: false, + size: 7.884e9, + steps: 4 + }, + year: { + common: true, + size: 3.154e10 + } +}; + const UNITS = /* #__PURE__ */ Object.keys(INTERVALS); + function sorter(a, b) { + return a - b; +} + function parse(scale, input) { + if (helpers_segment.isNullOrUndef(input)) { + return null; + } + const adapter = scale._adapter; + const { parser , round , isoWeekday } = scale._parseOpts; + let value = input; + if (typeof parser === 'function') { + value = parser(value); + } + if (!helpers_segment.isNumberFinite(value)) { + value = typeof parser === 'string' ? adapter.parse(value, parser) : adapter.parse(value); + } + if (value === null) { + return null; + } + if (round) { + value = round === 'week' && (helpers_segment.isNumber(isoWeekday) || isoWeekday === true) ? adapter.startOf(value, 'isoWeek', isoWeekday) : adapter.startOf(value, round); + } + return +value; +} + function determineUnitForAutoTicks(minUnit, min, max, capacity) { + const ilen = UNITS.length; + for(let i = UNITS.indexOf(minUnit); i < ilen - 1; ++i){ + const interval = INTERVALS[UNITS[i]]; + const factor = interval.steps ? interval.steps : Number.MAX_SAFE_INTEGER; + if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) { + return UNITS[i]; + } + } + return UNITS[ilen - 1]; +} + function determineUnitForFormatting(scale, numTicks, minUnit, min, max) { + for(let i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--){ + const unit = UNITS[i]; + if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= numTicks - 1) { + return unit; + } + } + return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0]; +} + function determineMajorUnit(unit) { + for(let i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i){ + if (INTERVALS[UNITS[i]].common) { + return UNITS[i]; + } + } +} + function addTick(ticks, time, timestamps) { + if (!timestamps) { + ticks[time] = true; + } else if (timestamps.length) { + const { lo , hi } = helpers_segment._lookup(timestamps, time); + const timestamp = timestamps[lo] >= time ? timestamps[lo] : timestamps[hi]; + ticks[timestamp] = true; + } +} + function setMajorTicks(scale, ticks, map, majorUnit) { + const adapter = scale._adapter; + const first = +adapter.startOf(ticks[0].value, majorUnit); + const last = ticks[ticks.length - 1].value; + let major, index; + for(major = first; major <= last; major = +adapter.add(major, 1, majorUnit)){ + index = map[major]; + if (index >= 0) { + ticks[index].major = true; + } + } + return ticks; +} + function ticksFromTimestamps(scale, values, majorUnit) { + const ticks = []; + const map = {}; + const ilen = values.length; + let i, value; + for(i = 0; i < ilen; ++i){ + value = values[i]; + map[value] = i; + ticks.push({ + value, + major: false + }); + } + return ilen === 0 || !majorUnit ? ticks : setMajorTicks(scale, ticks, map, majorUnit); +} +class TimeScale extends Scale { + static id = 'time'; + static defaults = { + bounds: 'data', + adapters: {}, + time: { + parser: false, + unit: false, + round: false, + isoWeekday: false, + minUnit: 'millisecond', + displayFormats: {} + }, + ticks: { + source: 'auto', + callback: false, + major: { + enabled: false + } + } + }; + constructor(props){ + super(props); + this._cache = { + data: [], + labels: [], + all: [] + }; + this._unit = 'day'; + this._majorUnit = undefined; + this._offsets = {}; + this._normalized = false; + this._parseOpts = undefined; + } + init(scaleOpts, opts = {}) { + const time = scaleOpts.time || (scaleOpts.time = {}); + const adapter = this._adapter = new adapters._date(scaleOpts.adapters.date); + adapter.init(opts); + helpers_segment.mergeIf(time.displayFormats, adapter.formats()); + this._parseOpts = { + parser: time.parser, + round: time.round, + isoWeekday: time.isoWeekday + }; + super.init(scaleOpts); + this._normalized = opts.normalized; + } + parse(raw, index) { + if (raw === undefined) { + return null; + } + return parse(this, raw); + } + beforeLayout() { + super.beforeLayout(); + this._cache = { + data: [], + labels: [], + all: [] + }; + } + determineDataLimits() { + const options = this.options; + const adapter = this._adapter; + const unit = options.time.unit || 'day'; + let { min , max , minDefined , maxDefined } = this.getUserBounds(); + function _applyBounds(bounds) { + if (!minDefined && !isNaN(bounds.min)) { + min = Math.min(min, bounds.min); + } + if (!maxDefined && !isNaN(bounds.max)) { + max = Math.max(max, bounds.max); + } + } + if (!minDefined || !maxDefined) { + _applyBounds(this._getLabelBounds()); + if (options.bounds !== 'ticks' || options.ticks.source !== 'labels') { + _applyBounds(this.getMinMax(false)); + } + } + min = helpers_segment.isNumberFinite(min) && !isNaN(min) ? min : +adapter.startOf(Date.now(), unit); + max = helpers_segment.isNumberFinite(max) && !isNaN(max) ? max : +adapter.endOf(Date.now(), unit) + 1; + this.min = Math.min(min, max - 1); + this.max = Math.max(min + 1, max); + } + _getLabelBounds() { + const arr = this.getLabelTimestamps(); + let min = Number.POSITIVE_INFINITY; + let max = Number.NEGATIVE_INFINITY; + if (arr.length) { + min = arr[0]; + max = arr[arr.length - 1]; + } + return { + min, + max + }; + } + buildTicks() { + const options = this.options; + const timeOpts = options.time; + const tickOpts = options.ticks; + const timestamps = tickOpts.source === 'labels' ? this.getLabelTimestamps() : this._generate(); + if (options.bounds === 'ticks' && timestamps.length) { + this.min = this._userMin || timestamps[0]; + this.max = this._userMax || timestamps[timestamps.length - 1]; + } + const min = this.min; + const max = this.max; + const ticks = helpers_segment._filterBetween(timestamps, min, max); + this._unit = timeOpts.unit || (tickOpts.autoSkip ? determineUnitForAutoTicks(timeOpts.minUnit, this.min, this.max, this._getLabelCapacity(min)) : determineUnitForFormatting(this, ticks.length, timeOpts.minUnit, this.min, this.max)); + this._majorUnit = !tickOpts.major.enabled || this._unit === 'year' ? undefined : determineMajorUnit(this._unit); + this.initOffsets(timestamps); + if (options.reverse) { + ticks.reverse(); + } + return ticksFromTimestamps(this, ticks, this._majorUnit); + } + afterAutoSkip() { + if (this.options.offsetAfterAutoskip) { + this.initOffsets(this.ticks.map((tick)=>+tick.value)); + } + } + initOffsets(timestamps = []) { + let start = 0; + let end = 0; + let first, last; + if (this.options.offset && timestamps.length) { + first = this.getDecimalForValue(timestamps[0]); + if (timestamps.length === 1) { + start = 1 - first; + } else { + start = (this.getDecimalForValue(timestamps[1]) - first) / 2; + } + last = this.getDecimalForValue(timestamps[timestamps.length - 1]); + if (timestamps.length === 1) { + end = last; + } else { + end = (last - this.getDecimalForValue(timestamps[timestamps.length - 2])) / 2; + } + } + const limit = timestamps.length < 3 ? 0.5 : 0.25; + start = helpers_segment._limitValue(start, 0, limit); + end = helpers_segment._limitValue(end, 0, limit); + this._offsets = { + start, + end, + factor: 1 / (start + 1 + end) + }; + } + _generate() { + const adapter = this._adapter; + const min = this.min; + const max = this.max; + const options = this.options; + const timeOpts = options.time; + const minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, this._getLabelCapacity(min)); + const stepSize = helpers_segment.valueOrDefault(options.ticks.stepSize, 1); + const weekday = minor === 'week' ? timeOpts.isoWeekday : false; + const hasWeekday = helpers_segment.isNumber(weekday) || weekday === true; + const ticks = {}; + let first = min; + let time, count; + if (hasWeekday) { + first = +adapter.startOf(first, 'isoWeek', weekday); + } + first = +adapter.startOf(first, hasWeekday ? 'day' : minor); + if (adapter.diff(max, min, minor) > 100000 * stepSize) { + throw new Error(min + ' and ' + max + ' are too far apart with stepSize of ' + stepSize + ' ' + minor); + } + const timestamps = options.ticks.source === 'data' && this.getDataTimestamps(); + for(time = first, count = 0; time < max; time = +adapter.add(time, stepSize, minor), count++){ + addTick(ticks, time, timestamps); + } + if (time === max || options.bounds === 'ticks' || count === 1) { + addTick(ticks, time, timestamps); + } + return Object.keys(ticks).sort(sorter).map((x)=>+x); + } + getLabelForValue(value) { + const adapter = this._adapter; + const timeOpts = this.options.time; + if (timeOpts.tooltipFormat) { + return adapter.format(value, timeOpts.tooltipFormat); + } + return adapter.format(value, timeOpts.displayFormats.datetime); + } + format(value, format) { + const options = this.options; + const formats = options.time.displayFormats; + const unit = this._unit; + const fmt = format || formats[unit]; + return this._adapter.format(value, fmt); + } + _tickFormatFunction(time, index, ticks, format) { + const options = this.options; + const formatter = options.ticks.callback; + if (formatter) { + return helpers_segment.callback(formatter, [ + time, + index, + ticks + ], this); + } + const formats = options.time.displayFormats; + const unit = this._unit; + const majorUnit = this._majorUnit; + const minorFormat = unit && formats[unit]; + const majorFormat = majorUnit && formats[majorUnit]; + const tick = ticks[index]; + const major = majorUnit && majorFormat && tick && tick.major; + return this._adapter.format(time, format || (major ? majorFormat : minorFormat)); + } + generateTickLabels(ticks) { + let i, ilen, tick; + for(i = 0, ilen = ticks.length; i < ilen; ++i){ + tick = ticks[i]; + tick.label = this._tickFormatFunction(tick.value, i, ticks); + } + } + getDecimalForValue(value) { + return value === null ? NaN : (value - this.min) / (this.max - this.min); + } + getPixelForValue(value) { + const offsets = this._offsets; + const pos = this.getDecimalForValue(value); + return this.getPixelForDecimal((offsets.start + pos) * offsets.factor); + } + getValueForPixel(pixel) { + const offsets = this._offsets; + const pos = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end; + return this.min + pos * (this.max - this.min); + } + _getLabelSize(label) { + const ticksOpts = this.options.ticks; + const tickLabelWidth = this.ctx.measureText(label).width; + const angle = helpers_segment.toRadians(this.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation); + const cosRotation = Math.cos(angle); + const sinRotation = Math.sin(angle); + const tickFontSize = this._resolveTickFontOptions(0).size; + return { + w: tickLabelWidth * cosRotation + tickFontSize * sinRotation, + h: tickLabelWidth * sinRotation + tickFontSize * cosRotation + }; + } + _getLabelCapacity(exampleTime) { + const timeOpts = this.options.time; + const displayFormats = timeOpts.displayFormats; + const format = displayFormats[timeOpts.unit] || displayFormats.millisecond; + const exampleLabel = this._tickFormatFunction(exampleTime, 0, ticksFromTimestamps(this, [ + exampleTime + ], this._majorUnit), format); + const size = this._getLabelSize(exampleLabel); + const capacity = Math.floor(this.isHorizontal() ? this.width / size.w : this.height / size.h) - 1; + return capacity > 0 ? capacity : 1; + } + getDataTimestamps() { + let timestamps = this._cache.data || []; + let i, ilen; + if (timestamps.length) { + return timestamps; + } + const metas = this.getMatchingVisibleMetas(); + if (this._normalized && metas.length) { + return this._cache.data = metas[0].controller.getAllParsedValues(this); + } + for(i = 0, ilen = metas.length; i < ilen; ++i){ + timestamps = timestamps.concat(metas[i].controller.getAllParsedValues(this)); + } + return this._cache.data = this.normalize(timestamps); + } + getLabelTimestamps() { + const timestamps = this._cache.labels || []; + let i, ilen; + if (timestamps.length) { + return timestamps; + } + const labels = this.getLabels(); + for(i = 0, ilen = labels.length; i < ilen; ++i){ + timestamps.push(parse(this, labels[i])); + } + return this._cache.labels = this._normalized ? timestamps : this.normalize(timestamps); + } + normalize(values) { + return helpers_segment._arrayUnique(values.sort(sorter)); + } +} + +function interpolate(table, val, reverse) { + let lo = 0; + let hi = table.length - 1; + let prevSource, nextSource, prevTarget, nextTarget; + if (reverse) { + if (val >= table[lo].pos && val <= table[hi].pos) { + ({ lo , hi } = helpers_segment._lookupByKey(table, 'pos', val)); + } + ({ pos: prevSource , time: prevTarget } = table[lo]); + ({ pos: nextSource , time: nextTarget } = table[hi]); + } else { + if (val >= table[lo].time && val <= table[hi].time) { + ({ lo , hi } = helpers_segment._lookupByKey(table, 'time', val)); + } + ({ time: prevSource , pos: prevTarget } = table[lo]); + ({ time: nextSource , pos: nextTarget } = table[hi]); + } + const span = nextSource - prevSource; + return span ? prevTarget + (nextTarget - prevTarget) * (val - prevSource) / span : prevTarget; +} +class TimeSeriesScale extends TimeScale { + static id = 'timeseries'; + static defaults = TimeScale.defaults; + constructor(props){ + super(props); + this._table = []; + this._minPos = undefined; + this._tableRange = undefined; + } + initOffsets() { + const timestamps = this._getTimestampsForTable(); + const table = this._table = this.buildLookupTable(timestamps); + this._minPos = interpolate(table, this.min); + this._tableRange = interpolate(table, this.max) - this._minPos; + super.initOffsets(timestamps); + } + buildLookupTable(timestamps) { + const { min , max } = this; + const items = []; + const table = []; + let i, ilen, prev, curr, next; + for(i = 0, ilen = timestamps.length; i < ilen; ++i){ + curr = timestamps[i]; + if (curr >= min && curr <= max) { + items.push(curr); + } + } + if (items.length < 2) { + return [ + { + time: min, + pos: 0 + }, + { + time: max, + pos: 1 + } + ]; + } + for(i = 0, ilen = items.length; i < ilen; ++i){ + next = items[i + 1]; + prev = items[i - 1]; + curr = items[i]; + if (Math.round((next + prev) / 2) !== curr) { + table.push({ + time: curr, + pos: i / (ilen - 1) + }); + } + } + return table; + } + _generate() { + const min = this.min; + const max = this.max; + let timestamps = super.getDataTimestamps(); + if (!timestamps.includes(min) || !timestamps.length) { + timestamps.splice(0, 0, min); + } + if (!timestamps.includes(max) || timestamps.length === 1) { + timestamps.push(max); + } + return timestamps.sort((a, b)=>a - b); + } + _getTimestampsForTable() { + let timestamps = this._cache.all || []; + if (timestamps.length) { + return timestamps; + } + const data = this.getDataTimestamps(); + const label = this.getLabelTimestamps(); + if (data.length && label.length) { + timestamps = this.normalize(data.concat(label)); + } else { + timestamps = data.length ? data : label; + } + timestamps = this._cache.all = timestamps; + return timestamps; + } + getDecimalForValue(value) { + return (interpolate(this._table, value) - this._minPos) / this._tableRange; + } + getValueForPixel(pixel) { + const offsets = this._offsets; + const decimal = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end; + return interpolate(this._table, decimal * this._tableRange + this._minPos, true); + } +} + +var scales = /*#__PURE__*/Object.freeze({ +__proto__: null, +CategoryScale: CategoryScale, +LinearScale: LinearScale, +LogarithmicScale: LogarithmicScale, +RadialLinearScale: RadialLinearScale, +TimeScale: TimeScale, +TimeSeriesScale: TimeSeriesScale +}); + +const registerables = [ + controllers, + elements, + plugins, + scales +]; + +exports.Ticks = helpers_segment.Ticks; +exports.defaults = helpers_segment.defaults; +exports.Animation = Animation; +exports.Animations = Animations; +exports.ArcElement = ArcElement; +exports.BarController = BarController; +exports.BarElement = BarElement; +exports.BasePlatform = BasePlatform; +exports.BasicPlatform = BasicPlatform; +exports.BubbleController = BubbleController; +exports.CategoryScale = CategoryScale; +exports.Chart = Chart; +exports.Colors = plugin_colors; +exports.DatasetController = DatasetController; +exports.Decimation = plugin_decimation; +exports.DomPlatform = DomPlatform; +exports.DoughnutController = DoughnutController; +exports.Element = Element; +exports.Filler = index; +exports.Interaction = Interaction; +exports.Legend = plugin_legend; +exports.LineController = LineController; +exports.LineElement = LineElement; +exports.LinearScale = LinearScale; +exports.LogarithmicScale = LogarithmicScale; +exports.PieController = PieController; +exports.PointElement = PointElement; +exports.PolarAreaController = PolarAreaController; +exports.RadarController = RadarController; +exports.RadialLinearScale = RadialLinearScale; +exports.Scale = Scale; +exports.ScatterController = ScatterController; +exports.SubTitle = plugin_subtitle; +exports.TimeScale = TimeScale; +exports.TimeSeriesScale = TimeSeriesScale; +exports.Title = plugin_title; +exports.Tooltip = plugin_tooltip; +exports._adapters = adapters; +exports._detectPlatform = _detectPlatform; +exports.animator = animator; +exports.controllers = controllers; +exports.elements = elements; +exports.layouts = layouts; +exports.plugins = plugins; +exports.registerables = registerables; +exports.registry = registry; +exports.scales = scales; +//# sourceMappingURL=chart.cjs.map + + +/***/ }), + +/***/ 7904: +/***/ ((__unused_webpack_module, exports, __nccwpck_require__) => { + +"use strict"; +/*! + * Chart.js v4.4.0 + * https://www.chartjs.org + * (c) 2023 Chart.js Contributors + * Released under the MIT License + */ + + +var color$1 = __nccwpck_require__(8620); + +/** + * @namespace Chart.helpers + */ /** + * An empty function that can be used, for example, for optional callback. + */ function noop() { +/* noop */ } +/** + * Returns a unique id, sequentially generated from a global variable. + */ const uid = (()=>{ + let id = 0; + return ()=>id++; +})(); +/** + * Returns true if `value` is neither null nor undefined, else returns false. + * @param value - The value to test. + * @since 2.7.0 + */ function isNullOrUndef(value) { + return value === null || typeof value === 'undefined'; +} +/** + * Returns true if `value` is an array (including typed arrays), else returns false. + * @param value - The value to test. + * @function + */ function isArray(value) { + if (Array.isArray && Array.isArray(value)) { + return true; + } + const type = Object.prototype.toString.call(value); + if (type.slice(0, 7) === '[object' && type.slice(-6) === 'Array]') { + return true; + } + return false; +} +/** + * Returns true if `value` is an object (excluding null), else returns false. + * @param value - The value to test. + * @since 2.7.0 + */ function isObject(value) { + return value !== null && Object.prototype.toString.call(value) === '[object Object]'; +} +/** + * Returns true if `value` is a finite number, else returns false + * @param value - The value to test. + */ function isNumberFinite(value) { + return (typeof value === 'number' || value instanceof Number) && isFinite(+value); +} +/** + * Returns `value` if finite, else returns `defaultValue`. + * @param value - The value to return if defined. + * @param defaultValue - The value to return if `value` is not finite. + */ function finiteOrDefault(value, defaultValue) { + return isNumberFinite(value) ? value : defaultValue; +} +/** + * Returns `value` if defined, else returns `defaultValue`. + * @param value - The value to return if defined. + * @param defaultValue - The value to return if `value` is undefined. + */ function valueOrDefault(value, defaultValue) { + return typeof value === 'undefined' ? defaultValue : value; +} +const toPercentage = (value, dimension)=>typeof value === 'string' && value.endsWith('%') ? parseFloat(value) / 100 : +value / dimension; +const toDimension = (value, dimension)=>typeof value === 'string' && value.endsWith('%') ? parseFloat(value) / 100 * dimension : +value; +/** + * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the + * value returned by `fn`. If `fn` is not a function, this method returns undefined. + * @param fn - The function to call. + * @param args - The arguments with which `fn` should be called. + * @param [thisArg] - The value of `this` provided for the call to `fn`. + */ function callback(fn, args, thisArg) { + if (fn && typeof fn.call === 'function') { + return fn.apply(thisArg, args); + } +} +function each(loopable, fn, thisArg, reverse) { + let i, len, keys; + if (isArray(loopable)) { + len = loopable.length; + if (reverse) { + for(i = len - 1; i >= 0; i--){ + fn.call(thisArg, loopable[i], i); + } + } else { + for(i = 0; i < len; i++){ + fn.call(thisArg, loopable[i], i); + } + } + } else if (isObject(loopable)) { + keys = Object.keys(loopable); + len = keys.length; + for(i = 0; i < len; i++){ + fn.call(thisArg, loopable[keys[i]], keys[i]); + } + } +} +/** + * Returns true if the `a0` and `a1` arrays have the same content, else returns false. + * @param a0 - The array to compare + * @param a1 - The array to compare + * @private + */ function _elementsEqual(a0, a1) { + let i, ilen, v0, v1; + if (!a0 || !a1 || a0.length !== a1.length) { + return false; + } + for(i = 0, ilen = a0.length; i < ilen; ++i){ + v0 = a0[i]; + v1 = a1[i]; + if (v0.datasetIndex !== v1.datasetIndex || v0.index !== v1.index) { + return false; + } + } + return true; +} +/** + * Returns a deep copy of `source` without keeping references on objects and arrays. + * @param source - The value to clone. + */ function clone(source) { + if (isArray(source)) { + return source.map(clone); + } + if (isObject(source)) { + const target = Object.create(null); + const keys = Object.keys(source); + const klen = keys.length; + let k = 0; + for(; k < klen; ++k){ + target[keys[k]] = clone(source[keys[k]]); + } + return target; + } + return source; +} +function isValidKey(key) { + return [ + '__proto__', + 'prototype', + 'constructor' + ].indexOf(key) === -1; +} +/** + * The default merger when Chart.helpers.merge is called without merger option. + * Note(SB): also used by mergeConfig and mergeScaleConfig as fallback. + * @private + */ function _merger(key, target, source, options) { + if (!isValidKey(key)) { + return; + } + const tval = target[key]; + const sval = source[key]; + if (isObject(tval) && isObject(sval)) { + // eslint-disable-next-line @typescript-eslint/no-use-before-define + merge(tval, sval, options); + } else { + target[key] = clone(sval); + } +} +function merge(target, source, options) { + const sources = isArray(source) ? source : [ + source + ]; + const ilen = sources.length; + if (!isObject(target)) { + return target; + } + options = options || {}; + const merger = options.merger || _merger; + let current; + for(let i = 0; i < ilen; ++i){ + current = sources[i]; + if (!isObject(current)) { + continue; + } + const keys = Object.keys(current); + for(let k = 0, klen = keys.length; k < klen; ++k){ + merger(keys[k], target, current, options); + } + } + return target; +} +function mergeIf(target, source) { + // eslint-disable-next-line @typescript-eslint/no-use-before-define + return merge(target, source, { + merger: _mergerIf + }); +} +/** + * Merges source[key] in target[key] only if target[key] is undefined. + * @private + */ function _mergerIf(key, target, source) { + if (!isValidKey(key)) { + return; + } + const tval = target[key]; + const sval = source[key]; + if (isObject(tval) && isObject(sval)) { + mergeIf(tval, sval); + } else if (!Object.prototype.hasOwnProperty.call(target, key)) { + target[key] = clone(sval); + } +} +/** + * @private + */ function _deprecated(scope, value, previous, current) { + if (value !== undefined) { + console.warn(scope + ': "' + previous + '" is deprecated. Please use "' + current + '" instead'); + } +} +// resolveObjectKey resolver cache +const keyResolvers = { + // Chart.helpers.core resolveObjectKey should resolve empty key to root object + '': (v)=>v, + // default resolvers + x: (o)=>o.x, + y: (o)=>o.y +}; +/** + * @private + */ function _splitKey(key) { + const parts = key.split('.'); + const keys = []; + let tmp = ''; + for (const part of parts){ + tmp += part; + if (tmp.endsWith('\\')) { + tmp = tmp.slice(0, -1) + '.'; + } else { + keys.push(tmp); + tmp = ''; + } + } + return keys; +} +function _getKeyResolver(key) { + const keys = _splitKey(key); + return (obj)=>{ + for (const k of keys){ + if (k === '') { + break; + } + obj = obj && obj[k]; + } + return obj; + }; +} +function resolveObjectKey(obj, key) { + const resolver = keyResolvers[key] || (keyResolvers[key] = _getKeyResolver(key)); + return resolver(obj); +} +/** + * @private + */ function _capitalize(str) { + return str.charAt(0).toUpperCase() + str.slice(1); +} +const defined = (value)=>typeof value !== 'undefined'; +const isFunction = (value)=>typeof value === 'function'; +// Adapted from https://stackoverflow.com/questions/31128855/comparing-ecma6-sets-for-equality#31129384 +const setsEqual = (a, b)=>{ + if (a.size !== b.size) { + return false; + } + for (const item of a){ + if (!b.has(item)) { + return false; + } + } + return true; +}; +/** + * @param e - The event + * @private + */ function _isClickEvent(e) { + return e.type === 'mouseup' || e.type === 'click' || e.type === 'contextmenu'; +} + +/** + * @alias Chart.helpers.math + * @namespace + */ const PI = Math.PI; +const TAU = 2 * PI; +const PITAU = TAU + PI; +const INFINITY = Number.POSITIVE_INFINITY; +const RAD_PER_DEG = PI / 180; +const HALF_PI = PI / 2; +const QUARTER_PI = PI / 4; +const TWO_THIRDS_PI = PI * 2 / 3; +const log10 = Math.log10; +const sign = Math.sign; +function almostEquals(x, y, epsilon) { + return Math.abs(x - y) < epsilon; +} +/** + * Implementation of the nice number algorithm used in determining where axis labels will go + */ function niceNum(range) { + const roundedRange = Math.round(range); + range = almostEquals(range, roundedRange, range / 1000) ? roundedRange : range; + const niceRange = Math.pow(10, Math.floor(log10(range))); + const fraction = range / niceRange; + const niceFraction = fraction <= 1 ? 1 : fraction <= 2 ? 2 : fraction <= 5 ? 5 : 10; + return niceFraction * niceRange; +} +/** + * Returns an array of factors sorted from 1 to sqrt(value) + * @private + */ function _factorize(value) { + const result = []; + const sqrt = Math.sqrt(value); + let i; + for(i = 1; i < sqrt; i++){ + if (value % i === 0) { + result.push(i); + result.push(value / i); + } + } + if (sqrt === (sqrt | 0)) { + result.push(sqrt); + } + result.sort((a, b)=>a - b).pop(); + return result; +} +function isNumber(n) { + return !isNaN(parseFloat(n)) && isFinite(n); +} +function almostWhole(x, epsilon) { + const rounded = Math.round(x); + return rounded - epsilon <= x && rounded + epsilon >= x; +} +/** + * @private + */ function _setMinAndMaxByKey(array, target, property) { + let i, ilen, value; + for(i = 0, ilen = array.length; i < ilen; i++){ + value = array[i][property]; + if (!isNaN(value)) { + target.min = Math.min(target.min, value); + target.max = Math.max(target.max, value); + } + } +} +function toRadians(degrees) { + return degrees * (PI / 180); +} +function toDegrees(radians) { + return radians * (180 / PI); +} +/** + * Returns the number of decimal places + * i.e. the number of digits after the decimal point, of the value of this Number. + * @param x - A number. + * @returns The number of decimal places. + * @private + */ function _decimalPlaces(x) { + if (!isNumberFinite(x)) { + return; + } + let e = 1; + let p = 0; + while(Math.round(x * e) / e !== x){ + e *= 10; + p++; + } + return p; +} +// Gets the angle from vertical upright to the point about a centre. +function getAngleFromPoint(centrePoint, anglePoint) { + const distanceFromXCenter = anglePoint.x - centrePoint.x; + const distanceFromYCenter = anglePoint.y - centrePoint.y; + const radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); + let angle = Math.atan2(distanceFromYCenter, distanceFromXCenter); + if (angle < -0.5 * PI) { + angle += TAU; // make sure the returned angle is in the range of (-PI/2, 3PI/2] + } + return { + angle, + distance: radialDistanceFromCenter + }; +} +function distanceBetweenPoints(pt1, pt2) { + return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2)); +} +/** + * Shortest distance between angles, in either direction. + * @private + */ function _angleDiff(a, b) { + return (a - b + PITAU) % TAU - PI; +} +/** + * Normalize angle to be between 0 and 2*PI + * @private + */ function _normalizeAngle(a) { + return (a % TAU + TAU) % TAU; +} +/** + * @private + */ function _angleBetween(angle, start, end, sameAngleIsFullCircle) { + const a = _normalizeAngle(angle); + const s = _normalizeAngle(start); + const e = _normalizeAngle(end); + const angleToStart = _normalizeAngle(s - a); + const angleToEnd = _normalizeAngle(e - a); + const startToAngle = _normalizeAngle(a - s); + const endToAngle = _normalizeAngle(a - e); + return a === s || a === e || sameAngleIsFullCircle && s === e || angleToStart > angleToEnd && startToAngle < endToAngle; +} +/** + * Limit `value` between `min` and `max` + * @param value + * @param min + * @param max + * @private + */ function _limitValue(value, min, max) { + return Math.max(min, Math.min(max, value)); +} +/** + * @param {number} value + * @private + */ function _int16Range(value) { + return _limitValue(value, -32768, 32767); +} +/** + * @param value + * @param start + * @param end + * @param [epsilon] + * @private + */ function _isBetween(value, start, end, epsilon = 1e-6) { + return value >= Math.min(start, end) - epsilon && value <= Math.max(start, end) + epsilon; +} + +function _lookup(table, value, cmp) { + cmp = cmp || ((index)=>table[index] < value); + let hi = table.length - 1; + let lo = 0; + let mid; + while(hi - lo > 1){ + mid = lo + hi >> 1; + if (cmp(mid)) { + lo = mid; + } else { + hi = mid; + } + } + return { + lo, + hi + }; +} +/** + * Binary search + * @param table - the table search. must be sorted! + * @param key - property name for the value in each entry + * @param value - value to find + * @param last - lookup last index + * @private + */ const _lookupByKey = (table, key, value, last)=>_lookup(table, value, last ? (index)=>{ + const ti = table[index][key]; + return ti < value || ti === value && table[index + 1][key] === value; + } : (index)=>table[index][key] < value); +/** + * Reverse binary search + * @param table - the table search. must be sorted! + * @param key - property name for the value in each entry + * @param value - value to find + * @private + */ const _rlookupByKey = (table, key, value)=>_lookup(table, value, (index)=>table[index][key] >= value); +/** + * Return subset of `values` between `min` and `max` inclusive. + * Values are assumed to be in sorted order. + * @param values - sorted array of values + * @param min - min value + * @param max - max value + */ function _filterBetween(values, min, max) { + let start = 0; + let end = values.length; + while(start < end && values[start] < min){ + start++; + } + while(end > start && values[end - 1] > max){ + end--; + } + return start > 0 || end < values.length ? values.slice(start, end) : values; +} +const arrayEvents = [ + 'push', + 'pop', + 'shift', + 'splice', + 'unshift' +]; +function listenArrayEvents(array, listener) { + if (array._chartjs) { + array._chartjs.listeners.push(listener); + return; + } + Object.defineProperty(array, '_chartjs', { + configurable: true, + enumerable: false, + value: { + listeners: [ + listener + ] + } + }); + arrayEvents.forEach((key)=>{ + const method = '_onData' + _capitalize(key); + const base = array[key]; + Object.defineProperty(array, key, { + configurable: true, + enumerable: false, + value (...args) { + const res = base.apply(this, args); + array._chartjs.listeners.forEach((object)=>{ + if (typeof object[method] === 'function') { + object[method](...args); + } + }); + return res; + } + }); + }); +} +function unlistenArrayEvents(array, listener) { + const stub = array._chartjs; + if (!stub) { + return; + } + const listeners = stub.listeners; + const index = listeners.indexOf(listener); + if (index !== -1) { + listeners.splice(index, 1); + } + if (listeners.length > 0) { + return; + } + arrayEvents.forEach((key)=>{ + delete array[key]; + }); + delete array._chartjs; +} +/** + * @param items + */ function _arrayUnique(items) { + const set = new Set(items); + if (set.size === items.length) { + return items; + } + return Array.from(set); +} + +function fontString(pixelSize, fontStyle, fontFamily) { + return fontStyle + ' ' + pixelSize + 'px ' + fontFamily; +} +/** +* Request animation polyfill +*/ const requestAnimFrame = function() { + if (typeof window === 'undefined') { + return function(callback) { + return callback(); + }; + } + return window.requestAnimationFrame; +}(); +/** + * Throttles calling `fn` once per animation frame + * Latest arguments are used on the actual call + */ function throttled(fn, thisArg) { + let argsToUse = []; + let ticking = false; + return function(...args) { + // Save the args for use later + argsToUse = args; + if (!ticking) { + ticking = true; + requestAnimFrame.call(window, ()=>{ + ticking = false; + fn.apply(thisArg, argsToUse); + }); + } + }; +} +/** + * Debounces calling `fn` for `delay` ms + */ function debounce(fn, delay) { + let timeout; + return function(...args) { + if (delay) { + clearTimeout(timeout); + timeout = setTimeout(fn, delay, args); + } else { + fn.apply(this, args); + } + return delay; + }; +} +/** + * Converts 'start' to 'left', 'end' to 'right' and others to 'center' + * @private + */ const _toLeftRightCenter = (align)=>align === 'start' ? 'left' : align === 'end' ? 'right' : 'center'; +/** + * Returns `start`, `end` or `(start + end) / 2` depending on `align`. Defaults to `center` + * @private + */ const _alignStartEnd = (align, start, end)=>align === 'start' ? start : align === 'end' ? end : (start + end) / 2; +/** + * Returns `left`, `right` or `(left + right) / 2` depending on `align`. Defaults to `left` + * @private + */ const _textX = (align, left, right, rtl)=>{ + const check = rtl ? 'left' : 'right'; + return align === check ? right : align === 'center' ? (left + right) / 2 : left; +}; +/** + * Return start and count of visible points. + * @private + */ function _getStartAndCountOfVisiblePoints(meta, points, animationsDisabled) { + const pointCount = points.length; + let start = 0; + let count = pointCount; + if (meta._sorted) { + const { iScale , _parsed } = meta; + const axis = iScale.axis; + const { min , max , minDefined , maxDefined } = iScale.getUserBounds(); + if (minDefined) { + start = _limitValue(Math.min(// @ts-expect-error Need to type _parsed + _lookupByKey(_parsed, axis, min).lo, // @ts-expect-error Need to fix types on _lookupByKey + animationsDisabled ? pointCount : _lookupByKey(points, axis, iScale.getPixelForValue(min)).lo), 0, pointCount - 1); + } + if (maxDefined) { + count = _limitValue(Math.max(// @ts-expect-error Need to type _parsed + _lookupByKey(_parsed, iScale.axis, max, true).hi + 1, // @ts-expect-error Need to fix types on _lookupByKey + animationsDisabled ? 0 : _lookupByKey(points, axis, iScale.getPixelForValue(max), true).hi + 1), start, pointCount) - start; + } else { + count = pointCount - start; + } + } + return { + start, + count + }; +} +/** + * Checks if the scale ranges have changed. + * @param {object} meta - dataset meta. + * @returns {boolean} + * @private + */ function _scaleRangesChanged(meta) { + const { xScale , yScale , _scaleRanges } = meta; + const newRanges = { + xmin: xScale.min, + xmax: xScale.max, + ymin: yScale.min, + ymax: yScale.max + }; + if (!_scaleRanges) { + meta._scaleRanges = newRanges; + return true; + } + const changed = _scaleRanges.xmin !== xScale.min || _scaleRanges.xmax !== xScale.max || _scaleRanges.ymin !== yScale.min || _scaleRanges.ymax !== yScale.max; + Object.assign(_scaleRanges, newRanges); + return changed; +} + +const atEdge = (t)=>t === 0 || t === 1; +const elasticIn = (t, s, p)=>-(Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * TAU / p)); +const elasticOut = (t, s, p)=>Math.pow(2, -10 * t) * Math.sin((t - s) * TAU / p) + 1; +/** + * Easing functions adapted from Robert Penner's easing equations. + * @namespace Chart.helpers.easing.effects + * @see http://www.robertpenner.com/easing/ + */ const effects = { + linear: (t)=>t, + easeInQuad: (t)=>t * t, + easeOutQuad: (t)=>-t * (t - 2), + easeInOutQuad: (t)=>(t /= 0.5) < 1 ? 0.5 * t * t : -0.5 * (--t * (t - 2) - 1), + easeInCubic: (t)=>t * t * t, + easeOutCubic: (t)=>(t -= 1) * t * t + 1, + easeInOutCubic: (t)=>(t /= 0.5) < 1 ? 0.5 * t * t * t : 0.5 * ((t -= 2) * t * t + 2), + easeInQuart: (t)=>t * t * t * t, + easeOutQuart: (t)=>-((t -= 1) * t * t * t - 1), + easeInOutQuart: (t)=>(t /= 0.5) < 1 ? 0.5 * t * t * t * t : -0.5 * ((t -= 2) * t * t * t - 2), + easeInQuint: (t)=>t * t * t * t * t, + easeOutQuint: (t)=>(t -= 1) * t * t * t * t + 1, + easeInOutQuint: (t)=>(t /= 0.5) < 1 ? 0.5 * t * t * t * t * t : 0.5 * ((t -= 2) * t * t * t * t + 2), + easeInSine: (t)=>-Math.cos(t * HALF_PI) + 1, + easeOutSine: (t)=>Math.sin(t * HALF_PI), + easeInOutSine: (t)=>-0.5 * (Math.cos(PI * t) - 1), + easeInExpo: (t)=>t === 0 ? 0 : Math.pow(2, 10 * (t - 1)), + easeOutExpo: (t)=>t === 1 ? 1 : -Math.pow(2, -10 * t) + 1, + easeInOutExpo: (t)=>atEdge(t) ? t : t < 0.5 ? 0.5 * Math.pow(2, 10 * (t * 2 - 1)) : 0.5 * (-Math.pow(2, -10 * (t * 2 - 1)) + 2), + easeInCirc: (t)=>t >= 1 ? t : -(Math.sqrt(1 - t * t) - 1), + easeOutCirc: (t)=>Math.sqrt(1 - (t -= 1) * t), + easeInOutCirc: (t)=>(t /= 0.5) < 1 ? -0.5 * (Math.sqrt(1 - t * t) - 1) : 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1), + easeInElastic: (t)=>atEdge(t) ? t : elasticIn(t, 0.075, 0.3), + easeOutElastic: (t)=>atEdge(t) ? t : elasticOut(t, 0.075, 0.3), + easeInOutElastic (t) { + const s = 0.1125; + const p = 0.45; + return atEdge(t) ? t : t < 0.5 ? 0.5 * elasticIn(t * 2, s, p) : 0.5 + 0.5 * elasticOut(t * 2 - 1, s, p); + }, + easeInBack (t) { + const s = 1.70158; + return t * t * ((s + 1) * t - s); + }, + easeOutBack (t) { + const s = 1.70158; + return (t -= 1) * t * ((s + 1) * t + s) + 1; + }, + easeInOutBack (t) { + let s = 1.70158; + if ((t /= 0.5) < 1) { + return 0.5 * (t * t * (((s *= 1.525) + 1) * t - s)); + } + return 0.5 * ((t -= 2) * t * (((s *= 1.525) + 1) * t + s) + 2); + }, + easeInBounce: (t)=>1 - effects.easeOutBounce(1 - t), + easeOutBounce (t) { + const m = 7.5625; + const d = 2.75; + if (t < 1 / d) { + return m * t * t; + } + if (t < 2 / d) { + return m * (t -= 1.5 / d) * t + 0.75; + } + if (t < 2.5 / d) { + return m * (t -= 2.25 / d) * t + 0.9375; + } + return m * (t -= 2.625 / d) * t + 0.984375; + }, + easeInOutBounce: (t)=>t < 0.5 ? effects.easeInBounce(t * 2) * 0.5 : effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5 +}; + +function isPatternOrGradient(value) { + if (value && typeof value === 'object') { + const type = value.toString(); + return type === '[object CanvasPattern]' || type === '[object CanvasGradient]'; + } + return false; +} +function color(value) { + return isPatternOrGradient(value) ? value : new color$1.Color(value); +} +function getHoverColor(value) { + return isPatternOrGradient(value) ? value : new color$1.Color(value).saturate(0.5).darken(0.1).hexString(); +} + +const numbers = [ + 'x', + 'y', + 'borderWidth', + 'radius', + 'tension' +]; +const colors = [ + 'color', + 'borderColor', + 'backgroundColor' +]; +function applyAnimationsDefaults(defaults) { + defaults.set('animation', { + delay: undefined, + duration: 1000, + easing: 'easeOutQuart', + fn: undefined, + from: undefined, + loop: undefined, + to: undefined, + type: undefined + }); + defaults.describe('animation', { + _fallback: false, + _indexable: false, + _scriptable: (name)=>name !== 'onProgress' && name !== 'onComplete' && name !== 'fn' + }); + defaults.set('animations', { + colors: { + type: 'color', + properties: colors + }, + numbers: { + type: 'number', + properties: numbers + } + }); + defaults.describe('animations', { + _fallback: 'animation' + }); + defaults.set('transitions', { + active: { + animation: { + duration: 400 + } + }, + resize: { + animation: { + duration: 0 + } + }, + show: { + animations: { + colors: { + from: 'transparent' + }, + visible: { + type: 'boolean', + duration: 0 + } + } + }, + hide: { + animations: { + colors: { + to: 'transparent' + }, + visible: { + type: 'boolean', + easing: 'linear', + fn: (v)=>v | 0 + } + } + } + }); +} + +function applyLayoutsDefaults(defaults) { + defaults.set('layout', { + autoPadding: true, + padding: { + top: 0, + right: 0, + bottom: 0, + left: 0 + } + }); +} + +const intlCache = new Map(); +function getNumberFormat(locale, options) { + options = options || {}; + const cacheKey = locale + JSON.stringify(options); + let formatter = intlCache.get(cacheKey); + if (!formatter) { + formatter = new Intl.NumberFormat(locale, options); + intlCache.set(cacheKey, formatter); + } + return formatter; +} +function formatNumber(num, locale, options) { + return getNumberFormat(locale, options).format(num); +} + +const formatters = { + values (value) { + return isArray(value) ? value : '' + value; + }, + numeric (tickValue, index, ticks) { + if (tickValue === 0) { + return '0'; + } + const locale = this.chart.options.locale; + let notation; + let delta = tickValue; + if (ticks.length > 1) { + const maxTick = Math.max(Math.abs(ticks[0].value), Math.abs(ticks[ticks.length - 1].value)); + if (maxTick < 1e-4 || maxTick > 1e+15) { + notation = 'scientific'; + } + delta = calculateDelta(tickValue, ticks); + } + const logDelta = log10(Math.abs(delta)); + const numDecimal = isNaN(logDelta) ? 1 : Math.max(Math.min(-1 * Math.floor(logDelta), 20), 0); + const options = { + notation, + minimumFractionDigits: numDecimal, + maximumFractionDigits: numDecimal + }; + Object.assign(options, this.options.ticks.format); + return formatNumber(tickValue, locale, options); + }, + logarithmic (tickValue, index, ticks) { + if (tickValue === 0) { + return '0'; + } + const remain = ticks[index].significand || tickValue / Math.pow(10, Math.floor(log10(tickValue))); + if ([ + 1, + 2, + 3, + 5, + 10, + 15 + ].includes(remain) || index > 0.8 * ticks.length) { + return formatters.numeric.call(this, tickValue, index, ticks); + } + return ''; + } +}; +function calculateDelta(tickValue, ticks) { + let delta = ticks.length > 3 ? ticks[2].value - ticks[1].value : ticks[1].value - ticks[0].value; + if (Math.abs(delta) >= 1 && tickValue !== Math.floor(tickValue)) { + delta = tickValue - Math.floor(tickValue); + } + return delta; +} + var Ticks = { + formatters +}; + +function applyScaleDefaults(defaults) { + defaults.set('scale', { + display: true, + offset: false, + reverse: false, + beginAtZero: false, + bounds: 'ticks', + clip: true, + grace: 0, + grid: { + display: true, + lineWidth: 1, + drawOnChartArea: true, + drawTicks: true, + tickLength: 8, + tickWidth: (_ctx, options)=>options.lineWidth, + tickColor: (_ctx, options)=>options.color, + offset: false + }, + border: { + display: true, + dash: [], + dashOffset: 0.0, + width: 1 + }, + title: { + display: false, + text: '', + padding: { + top: 4, + bottom: 4 + } + }, + ticks: { + minRotation: 0, + maxRotation: 50, + mirror: false, + textStrokeWidth: 0, + textStrokeColor: '', + padding: 3, + display: true, + autoSkip: true, + autoSkipPadding: 3, + labelOffset: 0, + callback: Ticks.formatters.values, + minor: {}, + major: {}, + align: 'center', + crossAlign: 'near', + showLabelBackdrop: false, + backdropColor: 'rgba(255, 255, 255, 0.75)', + backdropPadding: 2 + } + }); + defaults.route('scale.ticks', 'color', '', 'color'); + defaults.route('scale.grid', 'color', '', 'borderColor'); + defaults.route('scale.border', 'color', '', 'borderColor'); + defaults.route('scale.title', 'color', '', 'color'); + defaults.describe('scale', { + _fallback: false, + _scriptable: (name)=>!name.startsWith('before') && !name.startsWith('after') && name !== 'callback' && name !== 'parser', + _indexable: (name)=>name !== 'borderDash' && name !== 'tickBorderDash' && name !== 'dash' + }); + defaults.describe('scales', { + _fallback: 'scale' + }); + defaults.describe('scale.ticks', { + _scriptable: (name)=>name !== 'backdropPadding' && name !== 'callback', + _indexable: (name)=>name !== 'backdropPadding' + }); +} + +const overrides = Object.create(null); +const descriptors = Object.create(null); + function getScope$1(node, key) { + if (!key) { + return node; + } + const keys = key.split('.'); + for(let i = 0, n = keys.length; i < n; ++i){ + const k = keys[i]; + node = node[k] || (node[k] = Object.create(null)); + } + return node; +} +function set(root, scope, values) { + if (typeof scope === 'string') { + return merge(getScope$1(root, scope), values); + } + return merge(getScope$1(root, ''), scope); +} + class Defaults { + constructor(_descriptors, _appliers){ + this.animation = undefined; + this.backgroundColor = 'rgba(0,0,0,0.1)'; + this.borderColor = 'rgba(0,0,0,0.1)'; + this.color = '#666'; + this.datasets = {}; + this.devicePixelRatio = (context)=>context.chart.platform.getDevicePixelRatio(); + this.elements = {}; + this.events = [ + 'mousemove', + 'mouseout', + 'click', + 'touchstart', + 'touchmove' + ]; + this.font = { + family: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", + size: 12, + style: 'normal', + lineHeight: 1.2, + weight: null + }; + this.hover = {}; + this.hoverBackgroundColor = (ctx, options)=>getHoverColor(options.backgroundColor); + this.hoverBorderColor = (ctx, options)=>getHoverColor(options.borderColor); + this.hoverColor = (ctx, options)=>getHoverColor(options.color); + this.indexAxis = 'x'; + this.interaction = { + mode: 'nearest', + intersect: true, + includeInvisible: false + }; + this.maintainAspectRatio = true; + this.onHover = null; + this.onClick = null; + this.parsing = true; + this.plugins = {}; + this.responsive = true; + this.scale = undefined; + this.scales = {}; + this.showLine = true; + this.drawActiveElementsOnTop = true; + this.describe(_descriptors); + this.apply(_appliers); + } + set(scope, values) { + return set(this, scope, values); + } + get(scope) { + return getScope$1(this, scope); + } + describe(scope, values) { + return set(descriptors, scope, values); + } + override(scope, values) { + return set(overrides, scope, values); + } + route(scope, name, targetScope, targetName) { + const scopeObject = getScope$1(this, scope); + const targetScopeObject = getScope$1(this, targetScope); + const privateName = '_' + name; + Object.defineProperties(scopeObject, { + [privateName]: { + value: scopeObject[name], + writable: true + }, + [name]: { + enumerable: true, + get () { + const local = this[privateName]; + const target = targetScopeObject[targetName]; + if (isObject(local)) { + return Object.assign({}, target, local); + } + return valueOrDefault(local, target); + }, + set (value) { + this[privateName] = value; + } + } + }); + } + apply(appliers) { + appliers.forEach((apply)=>apply(this)); + } +} +var defaults = /* #__PURE__ */ new Defaults({ + _scriptable: (name)=>!name.startsWith('on'), + _indexable: (name)=>name !== 'events', + hover: { + _fallback: 'interaction' + }, + interaction: { + _scriptable: false, + _indexable: false + } +}, [ + applyAnimationsDefaults, + applyLayoutsDefaults, + applyScaleDefaults +]); + +/** + * Converts the given font object into a CSS font string. + * @param font - A font object. + * @return The CSS font string. See https://developer.mozilla.org/en-US/docs/Web/CSS/font + * @private + */ function toFontString(font) { + if (!font || isNullOrUndef(font.size) || isNullOrUndef(font.family)) { + return null; + } + return (font.style ? font.style + ' ' : '') + (font.weight ? font.weight + ' ' : '') + font.size + 'px ' + font.family; +} +/** + * @private + */ function _measureText(ctx, data, gc, longest, string) { + let textWidth = data[string]; + if (!textWidth) { + textWidth = data[string] = ctx.measureText(string).width; + gc.push(string); + } + if (textWidth > longest) { + longest = textWidth; + } + return longest; +} +/** + * @private + */ // eslint-disable-next-line complexity +function _longestText(ctx, font, arrayOfThings, cache) { + cache = cache || {}; + let data = cache.data = cache.data || {}; + let gc = cache.garbageCollect = cache.garbageCollect || []; + if (cache.font !== font) { + data = cache.data = {}; + gc = cache.garbageCollect = []; + cache.font = font; + } + ctx.save(); + ctx.font = font; + let longest = 0; + const ilen = arrayOfThings.length; + let i, j, jlen, thing, nestedThing; + for(i = 0; i < ilen; i++){ + thing = arrayOfThings[i]; + // Undefined strings and arrays should not be measured + if (thing !== undefined && thing !== null && !isArray(thing)) { + longest = _measureText(ctx, data, gc, longest, thing); + } else if (isArray(thing)) { + // if it is an array lets measure each element + // to do maybe simplify this function a bit so we can do this more recursively? + for(j = 0, jlen = thing.length; j < jlen; j++){ + nestedThing = thing[j]; + // Undefined strings and arrays should not be measured + if (nestedThing !== undefined && nestedThing !== null && !isArray(nestedThing)) { + longest = _measureText(ctx, data, gc, longest, nestedThing); + } + } + } + } + ctx.restore(); + const gcLen = gc.length / 2; + if (gcLen > arrayOfThings.length) { + for(i = 0; i < gcLen; i++){ + delete data[gc[i]]; + } + gc.splice(0, gcLen); + } + return longest; +} +/** + * Returns the aligned pixel value to avoid anti-aliasing blur + * @param chart - The chart instance. + * @param pixel - A pixel value. + * @param width - The width of the element. + * @returns The aligned pixel value. + * @private + */ function _alignPixel(chart, pixel, width) { + const devicePixelRatio = chart.currentDevicePixelRatio; + const halfWidth = width !== 0 ? Math.max(width / 2, 0.5) : 0; + return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth; +} +/** + * Clears the entire canvas. + */ function clearCanvas(canvas, ctx) { + ctx = ctx || canvas.getContext('2d'); + ctx.save(); + // canvas.width and canvas.height do not consider the canvas transform, + // while clearRect does + ctx.resetTransform(); + ctx.clearRect(0, 0, canvas.width, canvas.height); + ctx.restore(); +} +function drawPoint(ctx, options, x, y) { + // eslint-disable-next-line @typescript-eslint/no-use-before-define + drawPointLegend(ctx, options, x, y, null); +} +// eslint-disable-next-line complexity +function drawPointLegend(ctx, options, x, y, w) { + let type, xOffset, yOffset, size, cornerRadius, width, xOffsetW, yOffsetW; + const style = options.pointStyle; + const rotation = options.rotation; + const radius = options.radius; + let rad = (rotation || 0) * RAD_PER_DEG; + if (style && typeof style === 'object') { + type = style.toString(); + if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') { + ctx.save(); + ctx.translate(x, y); + ctx.rotate(rad); + ctx.drawImage(style, -style.width / 2, -style.height / 2, style.width, style.height); + ctx.restore(); + return; + } + } + if (isNaN(radius) || radius <= 0) { + return; + } + ctx.beginPath(); + switch(style){ + // Default includes circle + default: + if (w) { + ctx.ellipse(x, y, w / 2, radius, 0, 0, TAU); + } else { + ctx.arc(x, y, radius, 0, TAU); + } + ctx.closePath(); + break; + case 'triangle': + width = w ? w / 2 : radius; + ctx.moveTo(x + Math.sin(rad) * width, y - Math.cos(rad) * radius); + rad += TWO_THIRDS_PI; + ctx.lineTo(x + Math.sin(rad) * width, y - Math.cos(rad) * radius); + rad += TWO_THIRDS_PI; + ctx.lineTo(x + Math.sin(rad) * width, y - Math.cos(rad) * radius); + ctx.closePath(); + break; + case 'rectRounded': + // NOTE: the rounded rect implementation changed to use `arc` instead of + // `quadraticCurveTo` since it generates better results when rect is + // almost a circle. 0.516 (instead of 0.5) produces results with visually + // closer proportion to the previous impl and it is inscribed in the + // circle with `radius`. For more details, see the following PRs: + // https://github.com/chartjs/Chart.js/issues/5597 + // https://github.com/chartjs/Chart.js/issues/5858 + cornerRadius = radius * 0.516; + size = radius - cornerRadius; + xOffset = Math.cos(rad + QUARTER_PI) * size; + xOffsetW = Math.cos(rad + QUARTER_PI) * (w ? w / 2 - cornerRadius : size); + yOffset = Math.sin(rad + QUARTER_PI) * size; + yOffsetW = Math.sin(rad + QUARTER_PI) * (w ? w / 2 - cornerRadius : size); + ctx.arc(x - xOffsetW, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI); + ctx.arc(x + yOffsetW, y - xOffset, cornerRadius, rad - HALF_PI, rad); + ctx.arc(x + xOffsetW, y + yOffset, cornerRadius, rad, rad + HALF_PI); + ctx.arc(x - yOffsetW, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI); + ctx.closePath(); + break; + case 'rect': + if (!rotation) { + size = Math.SQRT1_2 * radius; + width = w ? w / 2 : size; + ctx.rect(x - width, y - size, 2 * width, 2 * size); + break; + } + rad += QUARTER_PI; + /* falls through */ case 'rectRot': + xOffsetW = Math.cos(rad) * (w ? w / 2 : radius); + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + yOffsetW = Math.sin(rad) * (w ? w / 2 : radius); + ctx.moveTo(x - xOffsetW, y - yOffset); + ctx.lineTo(x + yOffsetW, y - xOffset); + ctx.lineTo(x + xOffsetW, y + yOffset); + ctx.lineTo(x - yOffsetW, y + xOffset); + ctx.closePath(); + break; + case 'crossRot': + rad += QUARTER_PI; + /* falls through */ case 'cross': + xOffsetW = Math.cos(rad) * (w ? w / 2 : radius); + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + yOffsetW = Math.sin(rad) * (w ? w / 2 : radius); + ctx.moveTo(x - xOffsetW, y - yOffset); + ctx.lineTo(x + xOffsetW, y + yOffset); + ctx.moveTo(x + yOffsetW, y - xOffset); + ctx.lineTo(x - yOffsetW, y + xOffset); + break; + case 'star': + xOffsetW = Math.cos(rad) * (w ? w / 2 : radius); + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + yOffsetW = Math.sin(rad) * (w ? w / 2 : radius); + ctx.moveTo(x - xOffsetW, y - yOffset); + ctx.lineTo(x + xOffsetW, y + yOffset); + ctx.moveTo(x + yOffsetW, y - xOffset); + ctx.lineTo(x - yOffsetW, y + xOffset); + rad += QUARTER_PI; + xOffsetW = Math.cos(rad) * (w ? w / 2 : radius); + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + yOffsetW = Math.sin(rad) * (w ? w / 2 : radius); + ctx.moveTo(x - xOffsetW, y - yOffset); + ctx.lineTo(x + xOffsetW, y + yOffset); + ctx.moveTo(x + yOffsetW, y - xOffset); + ctx.lineTo(x - yOffsetW, y + xOffset); + break; + case 'line': + xOffset = w ? w / 2 : Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + xOffset, y + yOffset); + break; + case 'dash': + ctx.moveTo(x, y); + ctx.lineTo(x + Math.cos(rad) * (w ? w / 2 : radius), y + Math.sin(rad) * radius); + break; + case false: + ctx.closePath(); + break; + } + ctx.fill(); + if (options.borderWidth > 0) { + ctx.stroke(); + } +} +/** + * Returns true if the point is inside the rectangle + * @param point - The point to test + * @param area - The rectangle + * @param margin - allowed margin + * @private + */ function _isPointInArea(point, area, margin) { + margin = margin || 0.5; // margin - default is to match rounded decimals + return !area || point && point.x > area.left - margin && point.x < area.right + margin && point.y > area.top - margin && point.y < area.bottom + margin; +} +function clipArea(ctx, area) { + ctx.save(); + ctx.beginPath(); + ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top); + ctx.clip(); +} +function unclipArea(ctx) { + ctx.restore(); +} +/** + * @private + */ function _steppedLineTo(ctx, previous, target, flip, mode) { + if (!previous) { + return ctx.lineTo(target.x, target.y); + } + if (mode === 'middle') { + const midpoint = (previous.x + target.x) / 2.0; + ctx.lineTo(midpoint, previous.y); + ctx.lineTo(midpoint, target.y); + } else if (mode === 'after' !== !!flip) { + ctx.lineTo(previous.x, target.y); + } else { + ctx.lineTo(target.x, previous.y); + } + ctx.lineTo(target.x, target.y); +} +/** + * @private + */ function _bezierCurveTo(ctx, previous, target, flip) { + if (!previous) { + return ctx.lineTo(target.x, target.y); + } + ctx.bezierCurveTo(flip ? previous.cp1x : previous.cp2x, flip ? previous.cp1y : previous.cp2y, flip ? target.cp2x : target.cp1x, flip ? target.cp2y : target.cp1y, target.x, target.y); +} +function setRenderOpts(ctx, opts) { + if (opts.translation) { + ctx.translate(opts.translation[0], opts.translation[1]); + } + if (!isNullOrUndef(opts.rotation)) { + ctx.rotate(opts.rotation); + } + if (opts.color) { + ctx.fillStyle = opts.color; + } + if (opts.textAlign) { + ctx.textAlign = opts.textAlign; + } + if (opts.textBaseline) { + ctx.textBaseline = opts.textBaseline; + } +} +function decorateText(ctx, x, y, line, opts) { + if (opts.strikethrough || opts.underline) { + /** + * Now that IE11 support has been dropped, we can use more + * of the TextMetrics object. The actual bounding boxes + * are unflagged in Chrome, Firefox, Edge, and Safari so they + * can be safely used. + * See https://developer.mozilla.org/en-US/docs/Web/API/TextMetrics#Browser_compatibility + */ const metrics = ctx.measureText(line); + const left = x - metrics.actualBoundingBoxLeft; + const right = x + metrics.actualBoundingBoxRight; + const top = y - metrics.actualBoundingBoxAscent; + const bottom = y + metrics.actualBoundingBoxDescent; + const yDecoration = opts.strikethrough ? (top + bottom) / 2 : bottom; + ctx.strokeStyle = ctx.fillStyle; + ctx.beginPath(); + ctx.lineWidth = opts.decorationWidth || 2; + ctx.moveTo(left, yDecoration); + ctx.lineTo(right, yDecoration); + ctx.stroke(); + } +} +function drawBackdrop(ctx, opts) { + const oldColor = ctx.fillStyle; + ctx.fillStyle = opts.color; + ctx.fillRect(opts.left, opts.top, opts.width, opts.height); + ctx.fillStyle = oldColor; +} +/** + * Render text onto the canvas + */ function renderText(ctx, text, x, y, font, opts = {}) { + const lines = isArray(text) ? text : [ + text + ]; + const stroke = opts.strokeWidth > 0 && opts.strokeColor !== ''; + let i, line; + ctx.save(); + ctx.font = font.string; + setRenderOpts(ctx, opts); + for(i = 0; i < lines.length; ++i){ + line = lines[i]; + if (opts.backdrop) { + drawBackdrop(ctx, opts.backdrop); + } + if (stroke) { + if (opts.strokeColor) { + ctx.strokeStyle = opts.strokeColor; + } + if (!isNullOrUndef(opts.strokeWidth)) { + ctx.lineWidth = opts.strokeWidth; + } + ctx.strokeText(line, x, y, opts.maxWidth); + } + ctx.fillText(line, x, y, opts.maxWidth); + decorateText(ctx, x, y, line, opts); + y += Number(font.lineHeight); + } + ctx.restore(); +} +/** + * Add a path of a rectangle with rounded corners to the current sub-path + * @param ctx - Context + * @param rect - Bounding rect + */ function addRoundedRectPath(ctx, rect) { + const { x , y , w , h , radius } = rect; + // top left arc + ctx.arc(x + radius.topLeft, y + radius.topLeft, radius.topLeft, 1.5 * PI, PI, true); + // line from top left to bottom left + ctx.lineTo(x, y + h - radius.bottomLeft); + // bottom left arc + ctx.arc(x + radius.bottomLeft, y + h - radius.bottomLeft, radius.bottomLeft, PI, HALF_PI, true); + // line from bottom left to bottom right + ctx.lineTo(x + w - radius.bottomRight, y + h); + // bottom right arc + ctx.arc(x + w - radius.bottomRight, y + h - radius.bottomRight, radius.bottomRight, HALF_PI, 0, true); + // line from bottom right to top right + ctx.lineTo(x + w, y + radius.topRight); + // top right arc + ctx.arc(x + w - radius.topRight, y + radius.topRight, radius.topRight, 0, -HALF_PI, true); + // line from top right to top left + ctx.lineTo(x + radius.topLeft, y); +} + +const LINE_HEIGHT = /^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/; +const FONT_STYLE = /^(normal|italic|initial|inherit|unset|(oblique( -?[0-9]?[0-9]deg)?))$/; +/** + * @alias Chart.helpers.options + * @namespace + */ /** + * Converts the given line height `value` in pixels for a specific font `size`. + * @param value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em'). + * @param size - The font size (in pixels) used to resolve relative `value`. + * @returns The effective line height in pixels (size * 1.2 if value is invalid). + * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height + * @since 2.7.0 + */ function toLineHeight(value, size) { + const matches = ('' + value).match(LINE_HEIGHT); + if (!matches || matches[1] === 'normal') { + return size * 1.2; + } + value = +matches[2]; + switch(matches[3]){ + case 'px': + return value; + case '%': + value /= 100; + break; + } + return size * value; +} +const numberOrZero = (v)=>+v || 0; +function _readValueToProps(value, props) { + const ret = {}; + const objProps = isObject(props); + const keys = objProps ? Object.keys(props) : props; + const read = isObject(value) ? objProps ? (prop)=>valueOrDefault(value[prop], value[props[prop]]) : (prop)=>value[prop] : ()=>value; + for (const prop of keys){ + ret[prop] = numberOrZero(read(prop)); + } + return ret; +} +/** + * Converts the given value into a TRBL object. + * @param value - If a number, set the value to all TRBL component, + * else, if an object, use defined properties and sets undefined ones to 0. + * x / y are shorthands for same value for left/right and top/bottom. + * @returns The padding values (top, right, bottom, left) + * @since 3.0.0 + */ function toTRBL(value) { + return _readValueToProps(value, { + top: 'y', + right: 'x', + bottom: 'y', + left: 'x' + }); +} +/** + * Converts the given value into a TRBL corners object (similar with css border-radius). + * @param value - If a number, set the value to all TRBL corner components, + * else, if an object, use defined properties and sets undefined ones to 0. + * @returns The TRBL corner values (topLeft, topRight, bottomLeft, bottomRight) + * @since 3.0.0 + */ function toTRBLCorners(value) { + return _readValueToProps(value, [ + 'topLeft', + 'topRight', + 'bottomLeft', + 'bottomRight' + ]); +} +/** + * Converts the given value into a padding object with pre-computed width/height. + * @param value - If a number, set the value to all TRBL component, + * else, if an object, use defined properties and sets undefined ones to 0. + * x / y are shorthands for same value for left/right and top/bottom. + * @returns The padding values (top, right, bottom, left, width, height) + * @since 2.7.0 + */ function toPadding(value) { + const obj = toTRBL(value); + obj.width = obj.left + obj.right; + obj.height = obj.top + obj.bottom; + return obj; +} +/** + * Parses font options and returns the font object. + * @param options - A object that contains font options to be parsed. + * @param fallback - A object that contains fallback font options. + * @return The font object. + * @private + */ function toFont(options, fallback) { + options = options || {}; + fallback = fallback || defaults.font; + let size = valueOrDefault(options.size, fallback.size); + if (typeof size === 'string') { + size = parseInt(size, 10); + } + let style = valueOrDefault(options.style, fallback.style); + if (style && !('' + style).match(FONT_STYLE)) { + console.warn('Invalid font style specified: "' + style + '"'); + style = undefined; + } + const font = { + family: valueOrDefault(options.family, fallback.family), + lineHeight: toLineHeight(valueOrDefault(options.lineHeight, fallback.lineHeight), size), + size, + style, + weight: valueOrDefault(options.weight, fallback.weight), + string: '' + }; + font.string = toFontString(font); + return font; +} +/** + * Evaluates the given `inputs` sequentially and returns the first defined value. + * @param inputs - An array of values, falling back to the last value. + * @param context - If defined and the current value is a function, the value + * is called with `context` as first argument and the result becomes the new input. + * @param index - If defined and the current value is an array, the value + * at `index` become the new input. + * @param info - object to return information about resolution in + * @param info.cacheable - Will be set to `false` if option is not cacheable. + * @since 2.7.0 + */ function resolve(inputs, context, index, info) { + let cacheable = true; + let i, ilen, value; + for(i = 0, ilen = inputs.length; i < ilen; ++i){ + value = inputs[i]; + if (value === undefined) { + continue; + } + if (context !== undefined && typeof value === 'function') { + value = value(context); + cacheable = false; + } + if (index !== undefined && isArray(value)) { + value = value[index % value.length]; + cacheable = false; + } + if (value !== undefined) { + if (info && !cacheable) { + info.cacheable = false; + } + return value; + } + } +} +/** + * @param minmax + * @param grace + * @param beginAtZero + * @private + */ function _addGrace(minmax, grace, beginAtZero) { + const { min , max } = minmax; + const change = toDimension(grace, (max - min) / 2); + const keepZero = (value, add)=>beginAtZero && value === 0 ? 0 : value + add; + return { + min: keepZero(min, -Math.abs(change)), + max: keepZero(max, change) + }; +} +function createContext(parentContext, context) { + return Object.assign(Object.create(parentContext), context); +} + +/** + * Creates a Proxy for resolving raw values for options. + * @param scopes - The option scopes to look for values, in resolution order + * @param prefixes - The prefixes for values, in resolution order. + * @param rootScopes - The root option scopes + * @param fallback - Parent scopes fallback + * @param getTarget - callback for getting the target for changed values + * @returns Proxy + * @private + */ function _createResolver(scopes, prefixes = [ + '' +], rootScopes, fallback, getTarget = ()=>scopes[0]) { + const finalRootScopes = rootScopes || scopes; + if (typeof fallback === 'undefined') { + fallback = _resolve('_fallback', scopes); + } + const cache = { + [Symbol.toStringTag]: 'Object', + _cacheable: true, + _scopes: scopes, + _rootScopes: finalRootScopes, + _fallback: fallback, + _getTarget: getTarget, + override: (scope)=>_createResolver([ + scope, + ...scopes + ], prefixes, finalRootScopes, fallback) + }; + return new Proxy(cache, { + /** + * A trap for the delete operator. + */ deleteProperty (target, prop) { + delete target[prop]; // remove from cache + delete target._keys; // remove cached keys + delete scopes[0][prop]; // remove from top level scope + return true; + }, + /** + * A trap for getting property values. + */ get (target, prop) { + return _cached(target, prop, ()=>_resolveWithPrefixes(prop, prefixes, scopes, target)); + }, + /** + * A trap for Object.getOwnPropertyDescriptor. + * Also used by Object.hasOwnProperty. + */ getOwnPropertyDescriptor (target, prop) { + return Reflect.getOwnPropertyDescriptor(target._scopes[0], prop); + }, + /** + * A trap for Object.getPrototypeOf. + */ getPrototypeOf () { + return Reflect.getPrototypeOf(scopes[0]); + }, + /** + * A trap for the in operator. + */ has (target, prop) { + return getKeysFromAllScopes(target).includes(prop); + }, + /** + * A trap for Object.getOwnPropertyNames and Object.getOwnPropertySymbols. + */ ownKeys (target) { + return getKeysFromAllScopes(target); + }, + /** + * A trap for setting property values. + */ set (target, prop, value) { + const storage = target._storage || (target._storage = getTarget()); + target[prop] = storage[prop] = value; // set to top level scope + cache + delete target._keys; // remove cached keys + return true; + } + }); +} +/** + * Returns an Proxy for resolving option values with context. + * @param proxy - The Proxy returned by `_createResolver` + * @param context - Context object for scriptable/indexable options + * @param subProxy - The proxy provided for scriptable options + * @param descriptorDefaults - Defaults for descriptors + * @private + */ function _attachContext(proxy, context, subProxy, descriptorDefaults) { + const cache = { + _cacheable: false, + _proxy: proxy, + _context: context, + _subProxy: subProxy, + _stack: new Set(), + _descriptors: _descriptors(proxy, descriptorDefaults), + setContext: (ctx)=>_attachContext(proxy, ctx, subProxy, descriptorDefaults), + override: (scope)=>_attachContext(proxy.override(scope), context, subProxy, descriptorDefaults) + }; + return new Proxy(cache, { + /** + * A trap for the delete operator. + */ deleteProperty (target, prop) { + delete target[prop]; // remove from cache + delete proxy[prop]; // remove from proxy + return true; + }, + /** + * A trap for getting property values. + */ get (target, prop, receiver) { + return _cached(target, prop, ()=>_resolveWithContext(target, prop, receiver)); + }, + /** + * A trap for Object.getOwnPropertyDescriptor. + * Also used by Object.hasOwnProperty. + */ getOwnPropertyDescriptor (target, prop) { + return target._descriptors.allKeys ? Reflect.has(proxy, prop) ? { + enumerable: true, + configurable: true + } : undefined : Reflect.getOwnPropertyDescriptor(proxy, prop); + }, + /** + * A trap for Object.getPrototypeOf. + */ getPrototypeOf () { + return Reflect.getPrototypeOf(proxy); + }, + /** + * A trap for the in operator. + */ has (target, prop) { + return Reflect.has(proxy, prop); + }, + /** + * A trap for Object.getOwnPropertyNames and Object.getOwnPropertySymbols. + */ ownKeys () { + return Reflect.ownKeys(proxy); + }, + /** + * A trap for setting property values. + */ set (target, prop, value) { + proxy[prop] = value; // set to proxy + delete target[prop]; // remove from cache + return true; + } + }); +} +/** + * @private + */ function _descriptors(proxy, defaults = { + scriptable: true, + indexable: true +}) { + const { _scriptable =defaults.scriptable , _indexable =defaults.indexable , _allKeys =defaults.allKeys } = proxy; + return { + allKeys: _allKeys, + scriptable: _scriptable, + indexable: _indexable, + isScriptable: isFunction(_scriptable) ? _scriptable : ()=>_scriptable, + isIndexable: isFunction(_indexable) ? _indexable : ()=>_indexable + }; +} +const readKey = (prefix, name)=>prefix ? prefix + _capitalize(name) : name; +const needsSubResolver = (prop, value)=>isObject(value) && prop !== 'adapters' && (Object.getPrototypeOf(value) === null || value.constructor === Object); +function _cached(target, prop, resolve) { + if (Object.prototype.hasOwnProperty.call(target, prop)) { + return target[prop]; + } + const value = resolve(); + // cache the resolved value + target[prop] = value; + return value; +} +function _resolveWithContext(target, prop, receiver) { + const { _proxy , _context , _subProxy , _descriptors: descriptors } = target; + let value = _proxy[prop]; // resolve from proxy + // resolve with context + if (isFunction(value) && descriptors.isScriptable(prop)) { + value = _resolveScriptable(prop, value, target, receiver); + } + if (isArray(value) && value.length) { + value = _resolveArray(prop, value, target, descriptors.isIndexable); + } + if (needsSubResolver(prop, value)) { + // if the resolved value is an object, create a sub resolver for it + value = _attachContext(value, _context, _subProxy && _subProxy[prop], descriptors); + } + return value; +} +function _resolveScriptable(prop, getValue, target, receiver) { + const { _proxy , _context , _subProxy , _stack } = target; + if (_stack.has(prop)) { + throw new Error('Recursion detected: ' + Array.from(_stack).join('->') + '->' + prop); + } + _stack.add(prop); + let value = getValue(_context, _subProxy || receiver); + _stack.delete(prop); + if (needsSubResolver(prop, value)) { + // When scriptable option returns an object, create a resolver on that. + value = createSubResolver(_proxy._scopes, _proxy, prop, value); + } + return value; +} +function _resolveArray(prop, value, target, isIndexable) { + const { _proxy , _context , _subProxy , _descriptors: descriptors } = target; + if (typeof _context.index !== 'undefined' && isIndexable(prop)) { + return value[_context.index % value.length]; + } else if (isObject(value[0])) { + // Array of objects, return array or resolvers + const arr = value; + const scopes = _proxy._scopes.filter((s)=>s !== arr); + value = []; + for (const item of arr){ + const resolver = createSubResolver(scopes, _proxy, prop, item); + value.push(_attachContext(resolver, _context, _subProxy && _subProxy[prop], descriptors)); + } + } + return value; +} +function resolveFallback(fallback, prop, value) { + return isFunction(fallback) ? fallback(prop, value) : fallback; +} +const getScope = (key, parent)=>key === true ? parent : typeof key === 'string' ? resolveObjectKey(parent, key) : undefined; +function addScopes(set, parentScopes, key, parentFallback, value) { + for (const parent of parentScopes){ + const scope = getScope(key, parent); + if (scope) { + set.add(scope); + const fallback = resolveFallback(scope._fallback, key, value); + if (typeof fallback !== 'undefined' && fallback !== key && fallback !== parentFallback) { + // When we reach the descriptor that defines a new _fallback, return that. + // The fallback will resume to that new scope. + return fallback; + } + } else if (scope === false && typeof parentFallback !== 'undefined' && key !== parentFallback) { + // Fallback to `false` results to `false`, when falling back to different key. + // For example `interaction` from `hover` or `plugins.tooltip` and `animation` from `animations` + return null; + } + } + return false; +} +function createSubResolver(parentScopes, resolver, prop, value) { + const rootScopes = resolver._rootScopes; + const fallback = resolveFallback(resolver._fallback, prop, value); + const allScopes = [ + ...parentScopes, + ...rootScopes + ]; + const set = new Set(); + set.add(value); + let key = addScopesFromKey(set, allScopes, prop, fallback || prop, value); + if (key === null) { + return false; + } + if (typeof fallback !== 'undefined' && fallback !== prop) { + key = addScopesFromKey(set, allScopes, fallback, key, value); + if (key === null) { + return false; + } + } + return _createResolver(Array.from(set), [ + '' + ], rootScopes, fallback, ()=>subGetTarget(resolver, prop, value)); +} +function addScopesFromKey(set, allScopes, key, fallback, item) { + while(key){ + key = addScopes(set, allScopes, key, fallback, item); + } + return key; +} +function subGetTarget(resolver, prop, value) { + const parent = resolver._getTarget(); + if (!(prop in parent)) { + parent[prop] = {}; + } + const target = parent[prop]; + if (isArray(target) && isObject(value)) { + // For array of objects, the object is used to store updated values + return value; + } + return target || {}; +} +function _resolveWithPrefixes(prop, prefixes, scopes, proxy) { + let value; + for (const prefix of prefixes){ + value = _resolve(readKey(prefix, prop), scopes); + if (typeof value !== 'undefined') { + return needsSubResolver(prop, value) ? createSubResolver(scopes, proxy, prop, value) : value; + } + } +} +function _resolve(key, scopes) { + for (const scope of scopes){ + if (!scope) { + continue; + } + const value = scope[key]; + if (typeof value !== 'undefined') { + return value; + } + } +} +function getKeysFromAllScopes(target) { + let keys = target._keys; + if (!keys) { + keys = target._keys = resolveKeysFromAllScopes(target._scopes); + } + return keys; +} +function resolveKeysFromAllScopes(scopes) { + const set = new Set(); + for (const scope of scopes){ + for (const key of Object.keys(scope).filter((k)=>!k.startsWith('_'))){ + set.add(key); + } + } + return Array.from(set); +} +function _parseObjectDataRadialScale(meta, data, start, count) { + const { iScale } = meta; + const { key ='r' } = this._parsing; + const parsed = new Array(count); + let i, ilen, index, item; + for(i = 0, ilen = count; i < ilen; ++i){ + index = i + start; + item = data[index]; + parsed[i] = { + r: iScale.parse(resolveObjectKey(item, key), index) + }; + } + return parsed; +} + +const EPSILON = Number.EPSILON || 1e-14; +const getPoint = (points, i)=>i < points.length && !points[i].skip && points[i]; +const getValueAxis = (indexAxis)=>indexAxis === 'x' ? 'y' : 'x'; +function splineCurve(firstPoint, middlePoint, afterPoint, t) { + // Props to Rob Spencer at scaled innovation for his post on splining between points + // http://scaledinnovation.com/analytics/splines/aboutSplines.html + // This function must also respect "skipped" points + const previous = firstPoint.skip ? middlePoint : firstPoint; + const current = middlePoint; + const next = afterPoint.skip ? middlePoint : afterPoint; + const d01 = distanceBetweenPoints(current, previous); + const d12 = distanceBetweenPoints(next, current); + let s01 = d01 / (d01 + d12); + let s12 = d12 / (d01 + d12); + // If all points are the same, s01 & s02 will be inf + s01 = isNaN(s01) ? 0 : s01; + s12 = isNaN(s12) ? 0 : s12; + const fa = t * s01; // scaling factor for triangle Ta + const fb = t * s12; + return { + previous: { + x: current.x - fa * (next.x - previous.x), + y: current.y - fa * (next.y - previous.y) + }, + next: { + x: current.x + fb * (next.x - previous.x), + y: current.y + fb * (next.y - previous.y) + } + }; +} +/** + * Adjust tangents to ensure monotonic properties + */ function monotoneAdjust(points, deltaK, mK) { + const pointsLen = points.length; + let alphaK, betaK, tauK, squaredMagnitude, pointCurrent; + let pointAfter = getPoint(points, 0); + for(let i = 0; i < pointsLen - 1; ++i){ + pointCurrent = pointAfter; + pointAfter = getPoint(points, i + 1); + if (!pointCurrent || !pointAfter) { + continue; + } + if (almostEquals(deltaK[i], 0, EPSILON)) { + mK[i] = mK[i + 1] = 0; + continue; + } + alphaK = mK[i] / deltaK[i]; + betaK = mK[i + 1] / deltaK[i]; + squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); + if (squaredMagnitude <= 9) { + continue; + } + tauK = 3 / Math.sqrt(squaredMagnitude); + mK[i] = alphaK * tauK * deltaK[i]; + mK[i + 1] = betaK * tauK * deltaK[i]; + } +} +function monotoneCompute(points, mK, indexAxis = 'x') { + const valueAxis = getValueAxis(indexAxis); + const pointsLen = points.length; + let delta, pointBefore, pointCurrent; + let pointAfter = getPoint(points, 0); + for(let i = 0; i < pointsLen; ++i){ + pointBefore = pointCurrent; + pointCurrent = pointAfter; + pointAfter = getPoint(points, i + 1); + if (!pointCurrent) { + continue; + } + const iPixel = pointCurrent[indexAxis]; + const vPixel = pointCurrent[valueAxis]; + if (pointBefore) { + delta = (iPixel - pointBefore[indexAxis]) / 3; + pointCurrent[`cp1${indexAxis}`] = iPixel - delta; + pointCurrent[`cp1${valueAxis}`] = vPixel - delta * mK[i]; + } + if (pointAfter) { + delta = (pointAfter[indexAxis] - iPixel) / 3; + pointCurrent[`cp2${indexAxis}`] = iPixel + delta; + pointCurrent[`cp2${valueAxis}`] = vPixel + delta * mK[i]; + } + } +} +/** + * This function calculates Bézier control points in a similar way than |splineCurve|, + * but preserves monotonicity of the provided data and ensures no local extremums are added + * between the dataset discrete points due to the interpolation. + * See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation + */ function splineCurveMonotone(points, indexAxis = 'x') { + const valueAxis = getValueAxis(indexAxis); + const pointsLen = points.length; + const deltaK = Array(pointsLen).fill(0); + const mK = Array(pointsLen); + // Calculate slopes (deltaK) and initialize tangents (mK) + let i, pointBefore, pointCurrent; + let pointAfter = getPoint(points, 0); + for(i = 0; i < pointsLen; ++i){ + pointBefore = pointCurrent; + pointCurrent = pointAfter; + pointAfter = getPoint(points, i + 1); + if (!pointCurrent) { + continue; + } + if (pointAfter) { + const slopeDelta = pointAfter[indexAxis] - pointCurrent[indexAxis]; + // In the case of two points that appear at the same x pixel, slopeDeltaX is 0 + deltaK[i] = slopeDelta !== 0 ? (pointAfter[valueAxis] - pointCurrent[valueAxis]) / slopeDelta : 0; + } + mK[i] = !pointBefore ? deltaK[i] : !pointAfter ? deltaK[i - 1] : sign(deltaK[i - 1]) !== sign(deltaK[i]) ? 0 : (deltaK[i - 1] + deltaK[i]) / 2; + } + monotoneAdjust(points, deltaK, mK); + monotoneCompute(points, mK, indexAxis); +} +function capControlPoint(pt, min, max) { + return Math.max(Math.min(pt, max), min); +} +function capBezierPoints(points, area) { + let i, ilen, point, inArea, inAreaPrev; + let inAreaNext = _isPointInArea(points[0], area); + for(i = 0, ilen = points.length; i < ilen; ++i){ + inAreaPrev = inArea; + inArea = inAreaNext; + inAreaNext = i < ilen - 1 && _isPointInArea(points[i + 1], area); + if (!inArea) { + continue; + } + point = points[i]; + if (inAreaPrev) { + point.cp1x = capControlPoint(point.cp1x, area.left, area.right); + point.cp1y = capControlPoint(point.cp1y, area.top, area.bottom); + } + if (inAreaNext) { + point.cp2x = capControlPoint(point.cp2x, area.left, area.right); + point.cp2y = capControlPoint(point.cp2y, area.top, area.bottom); + } + } +} +/** + * @private + */ function _updateBezierControlPoints(points, options, area, loop, indexAxis) { + let i, ilen, point, controlPoints; + // Only consider points that are drawn in case the spanGaps option is used + if (options.spanGaps) { + points = points.filter((pt)=>!pt.skip); + } + if (options.cubicInterpolationMode === 'monotone') { + splineCurveMonotone(points, indexAxis); + } else { + let prev = loop ? points[points.length - 1] : points[0]; + for(i = 0, ilen = points.length; i < ilen; ++i){ + point = points[i]; + controlPoints = splineCurve(prev, point, points[Math.min(i + 1, ilen - (loop ? 0 : 1)) % ilen], options.tension); + point.cp1x = controlPoints.previous.x; + point.cp1y = controlPoints.previous.y; + point.cp2x = controlPoints.next.x; + point.cp2y = controlPoints.next.y; + prev = point; + } + } + if (options.capBezierPoints) { + capBezierPoints(points, area); + } +} + +/** + * Note: typedefs are auto-exported, so use a made-up `dom` namespace where + * necessary to avoid duplicates with `export * from './helpers`; see + * https://github.com/microsoft/TypeScript/issues/46011 + * @typedef { import('../core/core.controller.js').default } dom.Chart + * @typedef { import('../../types').ChartEvent } ChartEvent + */ /** + * @private + */ function _isDomSupported() { + return typeof window !== 'undefined' && typeof document !== 'undefined'; +} +/** + * @private + */ function _getParentNode(domNode) { + let parent = domNode.parentNode; + if (parent && parent.toString() === '[object ShadowRoot]') { + parent = parent.host; + } + return parent; +} +/** + * convert max-width/max-height values that may be percentages into a number + * @private + */ function parseMaxStyle(styleValue, node, parentProperty) { + let valueInPixels; + if (typeof styleValue === 'string') { + valueInPixels = parseInt(styleValue, 10); + if (styleValue.indexOf('%') !== -1) { + // percentage * size in dimension + valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; + } + } else { + valueInPixels = styleValue; + } + return valueInPixels; +} +const getComputedStyle = (element)=>element.ownerDocument.defaultView.getComputedStyle(element, null); +function getStyle(el, property) { + return getComputedStyle(el).getPropertyValue(property); +} +const positions = [ + 'top', + 'right', + 'bottom', + 'left' +]; +function getPositionedStyle(styles, style, suffix) { + const result = {}; + suffix = suffix ? '-' + suffix : ''; + for(let i = 0; i < 4; i++){ + const pos = positions[i]; + result[pos] = parseFloat(styles[style + '-' + pos + suffix]) || 0; + } + result.width = result.left + result.right; + result.height = result.top + result.bottom; + return result; +} +const useOffsetPos = (x, y, target)=>(x > 0 || y > 0) && (!target || !target.shadowRoot); +/** + * @param e + * @param canvas + * @returns Canvas position + */ function getCanvasPosition(e, canvas) { + const touches = e.touches; + const source = touches && touches.length ? touches[0] : e; + const { offsetX , offsetY } = source; + let box = false; + let x, y; + if (useOffsetPos(offsetX, offsetY, e.target)) { + x = offsetX; + y = offsetY; + } else { + const rect = canvas.getBoundingClientRect(); + x = source.clientX - rect.left; + y = source.clientY - rect.top; + box = true; + } + return { + x, + y, + box + }; +} +/** + * Gets an event's x, y coordinates, relative to the chart area + * @param event + * @param chart + * @returns x and y coordinates of the event + */ function getRelativePosition(event, chart) { + if ('native' in event) { + return event; + } + const { canvas , currentDevicePixelRatio } = chart; + const style = getComputedStyle(canvas); + const borderBox = style.boxSizing === 'border-box'; + const paddings = getPositionedStyle(style, 'padding'); + const borders = getPositionedStyle(style, 'border', 'width'); + const { x , y , box } = getCanvasPosition(event, canvas); + const xOffset = paddings.left + (box && borders.left); + const yOffset = paddings.top + (box && borders.top); + let { width , height } = chart; + if (borderBox) { + width -= paddings.width + borders.width; + height -= paddings.height + borders.height; + } + return { + x: Math.round((x - xOffset) / width * canvas.width / currentDevicePixelRatio), + y: Math.round((y - yOffset) / height * canvas.height / currentDevicePixelRatio) + }; +} +function getContainerSize(canvas, width, height) { + let maxWidth, maxHeight; + if (width === undefined || height === undefined) { + const container = _getParentNode(canvas); + if (!container) { + width = canvas.clientWidth; + height = canvas.clientHeight; + } else { + const rect = container.getBoundingClientRect(); // this is the border box of the container + const containerStyle = getComputedStyle(container); + const containerBorder = getPositionedStyle(containerStyle, 'border', 'width'); + const containerPadding = getPositionedStyle(containerStyle, 'padding'); + width = rect.width - containerPadding.width - containerBorder.width; + height = rect.height - containerPadding.height - containerBorder.height; + maxWidth = parseMaxStyle(containerStyle.maxWidth, container, 'clientWidth'); + maxHeight = parseMaxStyle(containerStyle.maxHeight, container, 'clientHeight'); + } + } + return { + width, + height, + maxWidth: maxWidth || INFINITY, + maxHeight: maxHeight || INFINITY + }; +} +const round1 = (v)=>Math.round(v * 10) / 10; +// eslint-disable-next-line complexity +function getMaximumSize(canvas, bbWidth, bbHeight, aspectRatio) { + const style = getComputedStyle(canvas); + const margins = getPositionedStyle(style, 'margin'); + const maxWidth = parseMaxStyle(style.maxWidth, canvas, 'clientWidth') || INFINITY; + const maxHeight = parseMaxStyle(style.maxHeight, canvas, 'clientHeight') || INFINITY; + const containerSize = getContainerSize(canvas, bbWidth, bbHeight); + let { width , height } = containerSize; + if (style.boxSizing === 'content-box') { + const borders = getPositionedStyle(style, 'border', 'width'); + const paddings = getPositionedStyle(style, 'padding'); + width -= paddings.width + borders.width; + height -= paddings.height + borders.height; + } + width = Math.max(0, width - margins.width); + height = Math.max(0, aspectRatio ? width / aspectRatio : height - margins.height); + width = round1(Math.min(width, maxWidth, containerSize.maxWidth)); + height = round1(Math.min(height, maxHeight, containerSize.maxHeight)); + if (width && !height) { + // https://github.com/chartjs/Chart.js/issues/4659 + // If the canvas has width, but no height, default to aspectRatio of 2 (canvas default) + height = round1(width / 2); + } + const maintainHeight = bbWidth !== undefined || bbHeight !== undefined; + if (maintainHeight && aspectRatio && containerSize.height && height > containerSize.height) { + height = containerSize.height; + width = round1(Math.floor(height * aspectRatio)); + } + return { + width, + height + }; +} +/** + * @param chart + * @param forceRatio + * @param forceStyle + * @returns True if the canvas context size or transformation has changed. + */ function retinaScale(chart, forceRatio, forceStyle) { + const pixelRatio = forceRatio || 1; + const deviceHeight = Math.floor(chart.height * pixelRatio); + const deviceWidth = Math.floor(chart.width * pixelRatio); + chart.height = Math.floor(chart.height); + chart.width = Math.floor(chart.width); + const canvas = chart.canvas; + // If no style has been set on the canvas, the render size is used as display size, + // making the chart visually bigger, so let's enforce it to the "correct" values. + // See https://github.com/chartjs/Chart.js/issues/3575 + if (canvas.style && (forceStyle || !canvas.style.height && !canvas.style.width)) { + canvas.style.height = `${chart.height}px`; + canvas.style.width = `${chart.width}px`; + } + if (chart.currentDevicePixelRatio !== pixelRatio || canvas.height !== deviceHeight || canvas.width !== deviceWidth) { + chart.currentDevicePixelRatio = pixelRatio; + canvas.height = deviceHeight; + canvas.width = deviceWidth; + chart.ctx.setTransform(pixelRatio, 0, 0, pixelRatio, 0, 0); + return true; + } + return false; +} +/** + * Detects support for options object argument in addEventListener. + * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support + * @private + */ const supportsEventListenerOptions = function() { + let passiveSupported = false; + try { + const options = { + get passive () { + passiveSupported = true; + return false; + } + }; + window.addEventListener('test', null, options); + window.removeEventListener('test', null, options); + } catch (e) { + // continue regardless of error + } + return passiveSupported; +}(); +/** + * The "used" size is the final value of a dimension property after all calculations have + * been performed. This method uses the computed style of `element` but returns undefined + * if the computed style is not expressed in pixels. That can happen in some cases where + * `element` has a size relative to its parent and this last one is not yet displayed, + * for example because of `display: none` on a parent node. + * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value + * @returns Size in pixels or undefined if unknown. + */ function readUsedSize(element, property) { + const value = getStyle(element, property); + const matches = value && value.match(/^(\d+)(\.\d+)?px$/); + return matches ? +matches[1] : undefined; +} + +/** + * @private + */ function _pointInLine(p1, p2, t, mode) { + return { + x: p1.x + t * (p2.x - p1.x), + y: p1.y + t * (p2.y - p1.y) + }; +} +/** + * @private + */ function _steppedInterpolation(p1, p2, t, mode) { + return { + x: p1.x + t * (p2.x - p1.x), + y: mode === 'middle' ? t < 0.5 ? p1.y : p2.y : mode === 'after' ? t < 1 ? p1.y : p2.y : t > 0 ? p2.y : p1.y + }; +} +/** + * @private + */ function _bezierInterpolation(p1, p2, t, mode) { + const cp1 = { + x: p1.cp2x, + y: p1.cp2y + }; + const cp2 = { + x: p2.cp1x, + y: p2.cp1y + }; + const a = _pointInLine(p1, cp1, t); + const b = _pointInLine(cp1, cp2, t); + const c = _pointInLine(cp2, p2, t); + const d = _pointInLine(a, b, t); + const e = _pointInLine(b, c, t); + return _pointInLine(d, e, t); +} + +const getRightToLeftAdapter = function(rectX, width) { + return { + x (x) { + return rectX + rectX + width - x; + }, + setWidth (w) { + width = w; + }, + textAlign (align) { + if (align === 'center') { + return align; + } + return align === 'right' ? 'left' : 'right'; + }, + xPlus (x, value) { + return x - value; + }, + leftForLtr (x, itemWidth) { + return x - itemWidth; + } + }; +}; +const getLeftToRightAdapter = function() { + return { + x (x) { + return x; + }, + setWidth (w) {}, + textAlign (align) { + return align; + }, + xPlus (x, value) { + return x + value; + }, + leftForLtr (x, _itemWidth) { + return x; + } + }; +}; +function getRtlAdapter(rtl, rectX, width) { + return rtl ? getRightToLeftAdapter(rectX, width) : getLeftToRightAdapter(); +} +function overrideTextDirection(ctx, direction) { + let style, original; + if (direction === 'ltr' || direction === 'rtl') { + style = ctx.canvas.style; + original = [ + style.getPropertyValue('direction'), + style.getPropertyPriority('direction') + ]; + style.setProperty('direction', direction, 'important'); + ctx.prevTextDirection = original; + } +} +function restoreTextDirection(ctx, original) { + if (original !== undefined) { + delete ctx.prevTextDirection; + ctx.canvas.style.setProperty('direction', original[0], original[1]); + } +} + +function propertyFn(property) { + if (property === 'angle') { + return { + between: _angleBetween, + compare: _angleDiff, + normalize: _normalizeAngle + }; + } + return { + between: _isBetween, + compare: (a, b)=>a - b, + normalize: (x)=>x + }; +} +function normalizeSegment({ start , end , count , loop , style }) { + return { + start: start % count, + end: end % count, + loop: loop && (end - start + 1) % count === 0, + style + }; +} +function getSegment(segment, points, bounds) { + const { property , start: startBound , end: endBound } = bounds; + const { between , normalize } = propertyFn(property); + const count = points.length; + let { start , end , loop } = segment; + let i, ilen; + if (loop) { + start += count; + end += count; + for(i = 0, ilen = count; i < ilen; ++i){ + if (!between(normalize(points[start % count][property]), startBound, endBound)) { + break; + } + start--; + end--; + } + start %= count; + end %= count; + } + if (end < start) { + end += count; + } + return { + start, + end, + loop, + style: segment.style + }; +} + function _boundSegment(segment, points, bounds) { + if (!bounds) { + return [ + segment + ]; + } + const { property , start: startBound , end: endBound } = bounds; + const count = points.length; + const { compare , between , normalize } = propertyFn(property); + const { start , end , loop , style } = getSegment(segment, points, bounds); + const result = []; + let inside = false; + let subStart = null; + let value, point, prevValue; + const startIsBefore = ()=>between(startBound, prevValue, value) && compare(startBound, prevValue) !== 0; + const endIsBefore = ()=>compare(endBound, value) === 0 || between(endBound, prevValue, value); + const shouldStart = ()=>inside || startIsBefore(); + const shouldStop = ()=>!inside || endIsBefore(); + for(let i = start, prev = start; i <= end; ++i){ + point = points[i % count]; + if (point.skip) { + continue; + } + value = normalize(point[property]); + if (value === prevValue) { + continue; + } + inside = between(value, startBound, endBound); + if (subStart === null && shouldStart()) { + subStart = compare(value, startBound) === 0 ? i : prev; + } + if (subStart !== null && shouldStop()) { + result.push(normalizeSegment({ + start: subStart, + end: i, + loop, + count, + style + })); + subStart = null; + } + prev = i; + prevValue = value; + } + if (subStart !== null) { + result.push(normalizeSegment({ + start: subStart, + end, + loop, + count, + style + })); + } + return result; +} + function _boundSegments(line, bounds) { + const result = []; + const segments = line.segments; + for(let i = 0; i < segments.length; i++){ + const sub = _boundSegment(segments[i], line.points, bounds); + if (sub.length) { + result.push(...sub); + } + } + return result; +} + function findStartAndEnd(points, count, loop, spanGaps) { + let start = 0; + let end = count - 1; + if (loop && !spanGaps) { + while(start < count && !points[start].skip){ + start++; + } + } + while(start < count && points[start].skip){ + start++; + } + start %= count; + if (loop) { + end += start; + } + while(end > start && points[end % count].skip){ + end--; + } + end %= count; + return { + start, + end + }; +} + function solidSegments(points, start, max, loop) { + const count = points.length; + const result = []; + let last = start; + let prev = points[start]; + let end; + for(end = start + 1; end <= max; ++end){ + const cur = points[end % count]; + if (cur.skip || cur.stop) { + if (!prev.skip) { + loop = false; + result.push({ + start: start % count, + end: (end - 1) % count, + loop + }); + start = last = cur.stop ? end : null; + } + } else { + last = end; + if (prev.skip) { + start = end; + } + } + prev = cur; + } + if (last !== null) { + result.push({ + start: start % count, + end: last % count, + loop + }); + } + return result; +} + function _computeSegments(line, segmentOptions) { + const points = line.points; + const spanGaps = line.options.spanGaps; + const count = points.length; + if (!count) { + return []; + } + const loop = !!line._loop; + const { start , end } = findStartAndEnd(points, count, loop, spanGaps); + if (spanGaps === true) { + return splitByStyles(line, [ + { + start, + end, + loop + } + ], points, segmentOptions); + } + const max = end < start ? end + count : end; + const completeLoop = !!line._fullLoop && start === 0 && end === count - 1; + return splitByStyles(line, solidSegments(points, start, max, completeLoop), points, segmentOptions); +} + function splitByStyles(line, segments, points, segmentOptions) { + if (!segmentOptions || !segmentOptions.setContext || !points) { + return segments; + } + return doSplitByStyles(line, segments, points, segmentOptions); +} + function doSplitByStyles(line, segments, points, segmentOptions) { + const chartContext = line._chart.getContext(); + const baseStyle = readStyle(line.options); + const { _datasetIndex: datasetIndex , options: { spanGaps } } = line; + const count = points.length; + const result = []; + let prevStyle = baseStyle; + let start = segments[0].start; + let i = start; + function addStyle(s, e, l, st) { + const dir = spanGaps ? -1 : 1; + if (s === e) { + return; + } + s += count; + while(points[s % count].skip){ + s -= dir; + } + while(points[e % count].skip){ + e += dir; + } + if (s % count !== e % count) { + result.push({ + start: s % count, + end: e % count, + loop: l, + style: st + }); + prevStyle = st; + start = e % count; + } + } + for (const segment of segments){ + start = spanGaps ? start : segment.start; + let prev = points[start % count]; + let style; + for(i = start + 1; i <= segment.end; i++){ + const pt = points[i % count]; + style = readStyle(segmentOptions.setContext(createContext(chartContext, { + type: 'segment', + p0: prev, + p1: pt, + p0DataIndex: (i - 1) % count, + p1DataIndex: i % count, + datasetIndex + }))); + if (styleChanged(style, prevStyle)) { + addStyle(start, i - 1, segment.loop, prevStyle); + } + prev = pt; + prevStyle = style; + } + if (start < i - 1) { + addStyle(start, i - 1, segment.loop, prevStyle); + } + } + return result; +} +function readStyle(options) { + return { + backgroundColor: options.backgroundColor, + borderCapStyle: options.borderCapStyle, + borderDash: options.borderDash, + borderDashOffset: options.borderDashOffset, + borderJoinStyle: options.borderJoinStyle, + borderWidth: options.borderWidth, + borderColor: options.borderColor + }; +} +function styleChanged(style, prevStyle) { + if (!prevStyle) { + return false; + } + const cache = []; + const replacer = function(key, value) { + if (!isPatternOrGradient(value)) { + return value; + } + if (!cache.includes(value)) { + cache.push(value); + } + return cache.indexOf(value); + }; + return JSON.stringify(style, replacer) !== JSON.stringify(prevStyle, replacer); +} + +exports.HALF_PI = HALF_PI; +exports.INFINITY = INFINITY; +exports.PI = PI; +exports.PITAU = PITAU; +exports.QUARTER_PI = QUARTER_PI; +exports.RAD_PER_DEG = RAD_PER_DEG; +exports.TAU = TAU; +exports.TWO_THIRDS_PI = TWO_THIRDS_PI; +exports.Ticks = Ticks; +exports._addGrace = _addGrace; +exports._alignPixel = _alignPixel; +exports._alignStartEnd = _alignStartEnd; +exports._angleBetween = _angleBetween; +exports._angleDiff = _angleDiff; +exports._arrayUnique = _arrayUnique; +exports._attachContext = _attachContext; +exports._bezierCurveTo = _bezierCurveTo; +exports._bezierInterpolation = _bezierInterpolation; +exports._boundSegment = _boundSegment; +exports._boundSegments = _boundSegments; +exports._capitalize = _capitalize; +exports._computeSegments = _computeSegments; +exports._createResolver = _createResolver; +exports._decimalPlaces = _decimalPlaces; +exports._deprecated = _deprecated; +exports._descriptors = _descriptors; +exports._elementsEqual = _elementsEqual; +exports._factorize = _factorize; +exports._filterBetween = _filterBetween; +exports._getParentNode = _getParentNode; +exports._getStartAndCountOfVisiblePoints = _getStartAndCountOfVisiblePoints; +exports._int16Range = _int16Range; +exports._isBetween = _isBetween; +exports._isClickEvent = _isClickEvent; +exports._isDomSupported = _isDomSupported; +exports._isPointInArea = _isPointInArea; +exports._limitValue = _limitValue; +exports._longestText = _longestText; +exports._lookup = _lookup; +exports._lookupByKey = _lookupByKey; +exports._measureText = _measureText; +exports._merger = _merger; +exports._mergerIf = _mergerIf; +exports._normalizeAngle = _normalizeAngle; +exports._parseObjectDataRadialScale = _parseObjectDataRadialScale; +exports._pointInLine = _pointInLine; +exports._readValueToProps = _readValueToProps; +exports._rlookupByKey = _rlookupByKey; +exports._scaleRangesChanged = _scaleRangesChanged; +exports._setMinAndMaxByKey = _setMinAndMaxByKey; +exports._splitKey = _splitKey; +exports._steppedInterpolation = _steppedInterpolation; +exports._steppedLineTo = _steppedLineTo; +exports._textX = _textX; +exports._toLeftRightCenter = _toLeftRightCenter; +exports._updateBezierControlPoints = _updateBezierControlPoints; +exports.addRoundedRectPath = addRoundedRectPath; +exports.almostEquals = almostEquals; +exports.almostWhole = almostWhole; +exports.callback = callback; +exports.clearCanvas = clearCanvas; +exports.clipArea = clipArea; +exports.clone = clone; +exports.color = color; +exports.createContext = createContext; +exports.debounce = debounce; +exports.defaults = defaults; +exports.defined = defined; +exports.descriptors = descriptors; +exports.distanceBetweenPoints = distanceBetweenPoints; +exports.drawPoint = drawPoint; +exports.drawPointLegend = drawPointLegend; +exports.each = each; +exports.effects = effects; +exports.finiteOrDefault = finiteOrDefault; +exports.fontString = fontString; +exports.formatNumber = formatNumber; +exports.getAngleFromPoint = getAngleFromPoint; +exports.getHoverColor = getHoverColor; +exports.getMaximumSize = getMaximumSize; +exports.getRelativePosition = getRelativePosition; +exports.getRtlAdapter = getRtlAdapter; +exports.getStyle = getStyle; +exports.isArray = isArray; +exports.isFunction = isFunction; +exports.isNullOrUndef = isNullOrUndef; +exports.isNumber = isNumber; +exports.isNumberFinite = isNumberFinite; +exports.isObject = isObject; +exports.isPatternOrGradient = isPatternOrGradient; +exports.listenArrayEvents = listenArrayEvents; +exports.log10 = log10; +exports.merge = merge; +exports.mergeIf = mergeIf; +exports.niceNum = niceNum; +exports.noop = noop; +exports.overrideTextDirection = overrideTextDirection; +exports.overrides = overrides; +exports.readUsedSize = readUsedSize; +exports.renderText = renderText; +exports.requestAnimFrame = requestAnimFrame; +exports.resolve = resolve; +exports.resolveObjectKey = resolveObjectKey; +exports.restoreTextDirection = restoreTextDirection; +exports.retinaScale = retinaScale; +exports.setsEqual = setsEqual; +exports.sign = sign; +exports.splineCurve = splineCurve; +exports.splineCurveMonotone = splineCurveMonotone; +exports.supportsEventListenerOptions = supportsEventListenerOptions; +exports.throttled = throttled; +exports.toDegrees = toDegrees; +exports.toDimension = toDimension; +exports.toFont = toFont; +exports.toFontString = toFontString; +exports.toLineHeight = toLineHeight; +exports.toPadding = toPadding; +exports.toPercentage = toPercentage; +exports.toRadians = toRadians; +exports.toTRBL = toTRBL; +exports.toTRBLCorners = toTRBLCorners; +exports.uid = uid; +exports.unclipArea = unclipArea; +exports.unlistenArrayEvents = unlistenArrayEvents; +exports.valueOrDefault = valueOrDefault; +//# sourceMappingURL=helpers.segment.cjs.map + + +/***/ }), + +/***/ 8392: +/***/ ((module) => { + +"use strict"; +module.exports = JSON.parse('{"name":"canvas","description":"Canvas graphics API backed by Cairo","version":"2.11.2","author":"TJ Holowaychuk ","main":"index.js","browser":"browser.js","contributors":["Nathan Rajlich ","Rod Vagg ","Juriy Zaytsev "],"keywords":["canvas","graphic","graphics","pixman","cairo","image","images","pdf"],"homepage":"https://github.com/Automattic/node-canvas","repository":"git://github.com/Automattic/node-canvas.git","scripts":{"prebenchmark":"node-gyp build","benchmark":"node benchmarks/run.js","lint":"standard examples/*.js test/server.js test/public/*.js benchmarks/run.js lib/context2d.js util/has_lib.js browser.js index.js","test":"mocha test/*.test.js","pretest-server":"node-gyp build","test-server":"node test/server.js","generate-wpt":"node ./test/wpt/generate.js","test-wpt":"mocha test/wpt/generated/*.js","install":"node-pre-gyp install --fallback-to-build --update-binary","dtslint":"dtslint types"},"binary":{"module_name":"canvas","module_path":"build/Release","host":"https://github.com/Automattic/node-canvas/releases/download/","remote_path":"v{version}","package_name":"{module_name}-v{version}-{node_abi}-{platform}-{libc}-{arch}.tar.gz"},"files":["binding.gyp","lib/","src/","util/","types/index.d.ts"],"types":"types/index.d.ts","dependencies":{"@mapbox/node-pre-gyp":"^1.0.0","nan":"^2.17.0","simple-get":"^3.0.3"},"devDependencies":{"@types/node":"^10.12.18","assert-rejects":"^1.0.0","dtslint":"^4.0.7","express":"^4.16.3","js-yaml":"^4.1.0","mocha":"^5.2.0","pixelmatch":"^4.0.2","standard":"^12.0.1","typescript":"^4.2.2"},"engines":{"node":">=6"},"license":"MIT"}'); + +/***/ }), + /***/ 3765: /***/ ((module) => { diff --git a/dist/main/index.js b/dist/main/index.js index 3022279..90d1dd0 100644 --- a/dist/main/index.js +++ b/dist/main/index.js @@ -56814,6 +56814,1279 @@ function expand(str, isTop) { +/***/ }), + +/***/ 3893: +/***/ ((__unused_webpack_module, exports, __nccwpck_require__) => { + +const Canvas = __nccwpck_require__(3589) +const Image = __nccwpck_require__(7372) +const CanvasRenderingContext2D = __nccwpck_require__(6292) +const CanvasPattern = __nccwpck_require__(1067) +const parseFont = __nccwpck_require__(7382) +const packageJson = __nccwpck_require__(8392) +const bindings = __nccwpck_require__(1847) +const fs = __nccwpck_require__(7147) +const PNGStream = __nccwpck_require__(7157) +const PDFStream = __nccwpck_require__(5032) +const JPEGStream = __nccwpck_require__(8871) +const { DOMPoint, DOMMatrix } = __nccwpck_require__(4381) + +function createCanvas (width, height, type) { + return new Canvas(width, height, type) +} + +function createImageData (array, width, height) { + return new bindings.ImageData(array, width, height) +} + +function loadImage (src) { + return new Promise((resolve, reject) => { + const image = new Image() + + function cleanup () { + image.onload = null + image.onerror = null + } + + image.onload = () => { cleanup(); resolve(image) } + image.onerror = (err) => { cleanup(); reject(err) } + + image.src = src + }) +} + +/** + * Resolve paths for registerFont. Must be called *before* creating a Canvas + * instance. + * @param src {string} Path to font file. + * @param fontFace {{family: string, weight?: string, style?: string}} Object + * specifying font information. `weight` and `style` default to `"normal"`. + */ +function registerFont (src, fontFace) { + // TODO this doesn't need to be on Canvas; it should just be a static method + // of `bindings`. + return Canvas._registerFont(fs.realpathSync(src), fontFace) +} + +/** + * Unload all fonts from pango to free up memory + */ +function deregisterAllFonts () { + return Canvas._deregisterAllFonts() +} + +exports.Canvas = Canvas +exports.Context2d = CanvasRenderingContext2D // Legacy/compat export +exports.CanvasRenderingContext2D = CanvasRenderingContext2D +exports.CanvasGradient = bindings.CanvasGradient +exports.CanvasPattern = CanvasPattern +exports.Image = Image +exports.ImageData = bindings.ImageData +exports.PNGStream = PNGStream +exports.PDFStream = PDFStream +exports.JPEGStream = JPEGStream +exports.DOMMatrix = DOMMatrix +exports.DOMPoint = DOMPoint + +exports.registerFont = registerFont +exports.deregisterAllFonts = deregisterAllFonts +exports.parseFont = parseFont + +exports.createCanvas = createCanvas +exports.createImageData = createImageData +exports.loadImage = loadImage + +exports.backends = bindings.Backends + +/** Library version. */ +exports.version = packageJson.version +/** Cairo version. */ +exports.cairoVersion = bindings.cairoVersion +/** jpeglib version. */ +exports.jpegVersion = bindings.jpegVersion +/** gif_lib version. */ +exports.gifVersion = bindings.gifVersion ? bindings.gifVersion.replace(/[^.\d]/g, '') : undefined +/** freetype version. */ +exports.freetypeVersion = bindings.freetypeVersion +/** rsvg version. */ +exports.rsvgVersion = bindings.rsvgVersion +/** pango version. */ +exports.pangoVersion = bindings.pangoVersion + + +/***/ }), + +/***/ 4381: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +const util = __nccwpck_require__(3837) + +// DOMMatrix per https://drafts.fxtf.org/geometry/#DOMMatrix + +class DOMPoint { + constructor (x, y, z, w) { + if (typeof x === 'object' && x !== null) { + w = x.w + z = x.z + y = x.y + x = x.x + } + this.x = typeof x === 'number' ? x : 0 + this.y = typeof y === 'number' ? y : 0 + this.z = typeof z === 'number' ? z : 0 + this.w = typeof w === 'number' ? w : 1 + } +} + +// Constants to index into _values (col-major) +const M11 = 0; const M12 = 1; const M13 = 2; const M14 = 3 +const M21 = 4; const M22 = 5; const M23 = 6; const M24 = 7 +const M31 = 8; const M32 = 9; const M33 = 10; const M34 = 11 +const M41 = 12; const M42 = 13; const M43 = 14; const M44 = 15 + +const DEGREE_PER_RAD = 180 / Math.PI +const RAD_PER_DEGREE = Math.PI / 180 + +function parseMatrix (init) { + let parsed = init.replace('matrix(', '') + parsed = parsed.split(',', 7) // 6 + 1 to handle too many params + if (parsed.length !== 6) throw new Error(`Failed to parse ${init}`) + parsed = parsed.map(parseFloat) + return [ + parsed[0], parsed[1], 0, 0, + parsed[2], parsed[3], 0, 0, + 0, 0, 1, 0, + parsed[4], parsed[5], 0, 1 + ] +} + +function parseMatrix3d (init) { + let parsed = init.replace('matrix3d(', '') + parsed = parsed.split(',', 17) // 16 + 1 to handle too many params + if (parsed.length !== 16) throw new Error(`Failed to parse ${init}`) + return parsed.map(parseFloat) +} + +function parseTransform (tform) { + const type = tform.split('(', 1)[0] + switch (type) { + case 'matrix': + return parseMatrix(tform) + case 'matrix3d': + return parseMatrix3d(tform) + // TODO This is supposed to support any CSS transform value. + default: + throw new Error(`${type} parsing not implemented`) + } +} + +class DOMMatrix { + constructor (init) { + this._is2D = true + this._values = new Float64Array([ + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ]) + + let i + + if (typeof init === 'string') { // parse CSS transformList + if (init === '') return // default identity matrix + const tforms = init.split(/\)\s+/, 20).map(parseTransform) + if (tforms.length === 0) return + init = tforms[0] + for (i = 1; i < tforms.length; i++) init = multiply(tforms[i], init) + } + + i = 0 + if (init && init.length === 6) { + setNumber2D(this, M11, init[i++]) + setNumber2D(this, M12, init[i++]) + setNumber2D(this, M21, init[i++]) + setNumber2D(this, M22, init[i++]) + setNumber2D(this, M41, init[i++]) + setNumber2D(this, M42, init[i++]) + } else if (init && init.length === 16) { + setNumber2D(this, M11, init[i++]) + setNumber2D(this, M12, init[i++]) + setNumber3D(this, M13, init[i++]) + setNumber3D(this, M14, init[i++]) + setNumber2D(this, M21, init[i++]) + setNumber2D(this, M22, init[i++]) + setNumber3D(this, M23, init[i++]) + setNumber3D(this, M24, init[i++]) + setNumber3D(this, M31, init[i++]) + setNumber3D(this, M32, init[i++]) + setNumber3D(this, M33, init[i++]) + setNumber3D(this, M34, init[i++]) + setNumber2D(this, M41, init[i++]) + setNumber2D(this, M42, init[i++]) + setNumber3D(this, M43, init[i++]) + setNumber3D(this, M44, init[i]) + } else if (init !== undefined) { + throw new TypeError('Expected string or array.') + } + } + + toString () { + return this.is2D + ? `matrix(${this.a}, ${this.b}, ${this.c}, ${this.d}, ${this.e}, ${this.f})` + : `matrix3d(${this._values.join(', ')})` + } + + multiply (other) { + return newInstance(this._values).multiplySelf(other) + } + + multiplySelf (other) { + this._values = multiply(other._values, this._values) + if (!other.is2D) this._is2D = false + return this + } + + preMultiplySelf (other) { + this._values = multiply(this._values, other._values) + if (!other.is2D) this._is2D = false + return this + } + + translate (tx, ty, tz) { + return newInstance(this._values).translateSelf(tx, ty, tz) + } + + translateSelf (tx, ty, tz) { + if (typeof tx !== 'number') tx = 0 + if (typeof ty !== 'number') ty = 0 + if (typeof tz !== 'number') tz = 0 + this._values = multiply([ + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + tx, ty, tz, 1 + ], this._values) + if (tz !== 0) this._is2D = false + return this + } + + scale (scaleX, scaleY, scaleZ, originX, originY, originZ) { + return newInstance(this._values).scaleSelf(scaleX, scaleY, scaleZ, originX, originY, originZ) + } + + scale3d (scale, originX, originY, originZ) { + return newInstance(this._values).scale3dSelf(scale, originX, originY, originZ) + } + + scale3dSelf (scale, originX, originY, originZ) { + return this.scaleSelf(scale, scale, scale, originX, originY, originZ) + } + + scaleSelf (scaleX, scaleY, scaleZ, originX, originY, originZ) { + // Not redundant with translate's checks because we need to negate the values later. + if (typeof originX !== 'number') originX = 0 + if (typeof originY !== 'number') originY = 0 + if (typeof originZ !== 'number') originZ = 0 + this.translateSelf(originX, originY, originZ) + if (typeof scaleX !== 'number') scaleX = 1 + if (typeof scaleY !== 'number') scaleY = scaleX + if (typeof scaleZ !== 'number') scaleZ = 1 + this._values = multiply([ + scaleX, 0, 0, 0, + 0, scaleY, 0, 0, + 0, 0, scaleZ, 0, + 0, 0, 0, 1 + ], this._values) + this.translateSelf(-originX, -originY, -originZ) + if (scaleZ !== 1 || originZ !== 0) this._is2D = false + return this + } + + rotateFromVector (x, y) { + return newInstance(this._values).rotateFromVectorSelf(x, y) + } + + rotateFromVectorSelf (x, y) { + if (typeof x !== 'number') x = 0 + if (typeof y !== 'number') y = 0 + const theta = (x === 0 && y === 0) ? 0 : Math.atan2(y, x) * DEGREE_PER_RAD + return this.rotateSelf(theta) + } + + rotate (rotX, rotY, rotZ) { + return newInstance(this._values).rotateSelf(rotX, rotY, rotZ) + } + + rotateSelf (rotX, rotY, rotZ) { + if (rotY === undefined && rotZ === undefined) { + rotZ = rotX + rotX = rotY = 0 + } + if (typeof rotY !== 'number') rotY = 0 + if (typeof rotZ !== 'number') rotZ = 0 + if (rotX !== 0 || rotY !== 0) this._is2D = false + rotX *= RAD_PER_DEGREE + rotY *= RAD_PER_DEGREE + rotZ *= RAD_PER_DEGREE + let c, s + c = Math.cos(rotZ) + s = Math.sin(rotZ) + this._values = multiply([ + c, s, 0, 0, + -s, c, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ], this._values) + c = Math.cos(rotY) + s = Math.sin(rotY) + this._values = multiply([ + c, 0, -s, 0, + 0, 1, 0, 0, + s, 0, c, 0, + 0, 0, 0, 1 + ], this._values) + c = Math.cos(rotX) + s = Math.sin(rotX) + this._values = multiply([ + 1, 0, 0, 0, + 0, c, s, 0, + 0, -s, c, 0, + 0, 0, 0, 1 + ], this._values) + return this + } + + rotateAxisAngle (x, y, z, angle) { + return newInstance(this._values).rotateAxisAngleSelf(x, y, z, angle) + } + + rotateAxisAngleSelf (x, y, z, angle) { + if (typeof x !== 'number') x = 0 + if (typeof y !== 'number') y = 0 + if (typeof z !== 'number') z = 0 + // Normalize axis + const length = Math.sqrt(x * x + y * y + z * z) + if (length === 0) return this + if (length !== 1) { + x /= length + y /= length + z /= length + } + angle *= RAD_PER_DEGREE + const c = Math.cos(angle) + const s = Math.sin(angle) + const t = 1 - c + const tx = t * x + const ty = t * y + // NB: This is the generic transform. If the axis is a major axis, there are + // faster transforms. + this._values = multiply([ + tx * x + c, tx * y + s * z, tx * z - s * y, 0, + tx * y - s * z, ty * y + c, ty * z + s * x, 0, + tx * z + s * y, ty * z - s * x, t * z * z + c, 0, + 0, 0, 0, 1 + ], this._values) + if (x !== 0 || y !== 0) this._is2D = false + return this + } + + skewX (sx) { + return newInstance(this._values).skewXSelf(sx) + } + + skewXSelf (sx) { + if (typeof sx !== 'number') return this + const t = Math.tan(sx * RAD_PER_DEGREE) + this._values = multiply([ + 1, 0, 0, 0, + t, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ], this._values) + return this + } + + skewY (sy) { + return newInstance(this._values).skewYSelf(sy) + } + + skewYSelf (sy) { + if (typeof sy !== 'number') return this + const t = Math.tan(sy * RAD_PER_DEGREE) + this._values = multiply([ + 1, t, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ], this._values) + return this + } + + flipX () { + return newInstance(multiply([ + -1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ], this._values)) + } + + flipY () { + return newInstance(multiply([ + 1, 0, 0, 0, + 0, -1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ], this._values)) + } + + inverse () { + return newInstance(this._values).invertSelf() + } + + invertSelf () { + const m = this._values + const inv = m.map(v => 0) + + inv[0] = m[5] * m[10] * m[15] - + m[5] * m[11] * m[14] - + m[9] * m[6] * m[15] + + m[9] * m[7] * m[14] + + m[13] * m[6] * m[11] - + m[13] * m[7] * m[10] + + inv[4] = -m[4] * m[10] * m[15] + + m[4] * m[11] * m[14] + + m[8] * m[6] * m[15] - + m[8] * m[7] * m[14] - + m[12] * m[6] * m[11] + + m[12] * m[7] * m[10] + + inv[8] = m[4] * m[9] * m[15] - + m[4] * m[11] * m[13] - + m[8] * m[5] * m[15] + + m[8] * m[7] * m[13] + + m[12] * m[5] * m[11] - + m[12] * m[7] * m[9] + + inv[12] = -m[4] * m[9] * m[14] + + m[4] * m[10] * m[13] + + m[8] * m[5] * m[14] - + m[8] * m[6] * m[13] - + m[12] * m[5] * m[10] + + m[12] * m[6] * m[9] + + // If the determinant is zero, this matrix cannot be inverted, and all + // values should be set to NaN, with the is2D flag set to false. + + const det = m[0] * inv[0] + m[1] * inv[4] + m[2] * inv[8] + m[3] * inv[12] + + if (det === 0) { + this._values = m.map(v => NaN) + this._is2D = false + return this + } + + inv[1] = -m[1] * m[10] * m[15] + + m[1] * m[11] * m[14] + + m[9] * m[2] * m[15] - + m[9] * m[3] * m[14] - + m[13] * m[2] * m[11] + + m[13] * m[3] * m[10] + + inv[5] = m[0] * m[10] * m[15] - + m[0] * m[11] * m[14] - + m[8] * m[2] * m[15] + + m[8] * m[3] * m[14] + + m[12] * m[2] * m[11] - + m[12] * m[3] * m[10] + + inv[9] = -m[0] * m[9] * m[15] + + m[0] * m[11] * m[13] + + m[8] * m[1] * m[15] - + m[8] * m[3] * m[13] - + m[12] * m[1] * m[11] + + m[12] * m[3] * m[9] + + inv[13] = m[0] * m[9] * m[14] - + m[0] * m[10] * m[13] - + m[8] * m[1] * m[14] + + m[8] * m[2] * m[13] + + m[12] * m[1] * m[10] - + m[12] * m[2] * m[9] + + inv[2] = m[1] * m[6] * m[15] - + m[1] * m[7] * m[14] - + m[5] * m[2] * m[15] + + m[5] * m[3] * m[14] + + m[13] * m[2] * m[7] - + m[13] * m[3] * m[6] + + inv[6] = -m[0] * m[6] * m[15] + + m[0] * m[7] * m[14] + + m[4] * m[2] * m[15] - + m[4] * m[3] * m[14] - + m[12] * m[2] * m[7] + + m[12] * m[3] * m[6] + + inv[10] = m[0] * m[5] * m[15] - + m[0] * m[7] * m[13] - + m[4] * m[1] * m[15] + + m[4] * m[3] * m[13] + + m[12] * m[1] * m[7] - + m[12] * m[3] * m[5] + + inv[14] = -m[0] * m[5] * m[14] + + m[0] * m[6] * m[13] + + m[4] * m[1] * m[14] - + m[4] * m[2] * m[13] - + m[12] * m[1] * m[6] + + m[12] * m[2] * m[5] + + inv[3] = -m[1] * m[6] * m[11] + + m[1] * m[7] * m[10] + + m[5] * m[2] * m[11] - + m[5] * m[3] * m[10] - + m[9] * m[2] * m[7] + + m[9] * m[3] * m[6] + + inv[7] = m[0] * m[6] * m[11] - + m[0] * m[7] * m[10] - + m[4] * m[2] * m[11] + + m[4] * m[3] * m[10] + + m[8] * m[2] * m[7] - + m[8] * m[3] * m[6] + + inv[11] = -m[0] * m[5] * m[11] + + m[0] * m[7] * m[9] + + m[4] * m[1] * m[11] - + m[4] * m[3] * m[9] - + m[8] * m[1] * m[7] + + m[8] * m[3] * m[5] + + inv[15] = m[0] * m[5] * m[10] - + m[0] * m[6] * m[9] - + m[4] * m[1] * m[10] + + m[4] * m[2] * m[9] + + m[8] * m[1] * m[6] - + m[8] * m[2] * m[5] + + inv.forEach((v, i) => { inv[i] = v / det }) + this._values = inv + return this + } + + setMatrixValue (transformList) { + const temp = new DOMMatrix(transformList) + this._values = temp._values + this._is2D = temp._is2D + return this + } + + transformPoint (point) { + point = new DOMPoint(point) + const x = point.x + const y = point.y + const z = point.z + const w = point.w + const values = this._values + const nx = values[M11] * x + values[M21] * y + values[M31] * z + values[M41] * w + const ny = values[M12] * x + values[M22] * y + values[M32] * z + values[M42] * w + const nz = values[M13] * x + values[M23] * y + values[M33] * z + values[M43] * w + const nw = values[M14] * x + values[M24] * y + values[M34] * z + values[M44] * w + return new DOMPoint(nx, ny, nz, nw) + } + + toFloat32Array () { + return Float32Array.from(this._values) + } + + toFloat64Array () { + return this._values.slice(0) + } + + static fromMatrix (init) { + if (!(init instanceof DOMMatrix)) throw new TypeError('Expected DOMMatrix') + return new DOMMatrix(init._values) + } + + static fromFloat32Array (init) { + if (!(init instanceof Float32Array)) throw new TypeError('Expected Float32Array') + return new DOMMatrix(init) + } + + static fromFloat64Array (init) { + if (!(init instanceof Float64Array)) throw new TypeError('Expected Float64Array') + return new DOMMatrix(init) + } + + [util.inspect.custom || 'inspect'] (depth, options) { + if (depth < 0) return '[DOMMatrix]' + + return `DOMMatrix [ + a: ${this.a} + b: ${this.b} + c: ${this.c} + d: ${this.d} + e: ${this.e} + f: ${this.f} + m11: ${this.m11} + m12: ${this.m12} + m13: ${this.m13} + m14: ${this.m14} + m21: ${this.m21} + m22: ${this.m22} + m23: ${this.m23} + m23: ${this.m23} + m31: ${this.m31} + m32: ${this.m32} + m33: ${this.m33} + m34: ${this.m34} + m41: ${this.m41} + m42: ${this.m42} + m43: ${this.m43} + m44: ${this.m44} + is2D: ${this.is2D} + isIdentity: ${this.isIdentity} ]` + } +} + +/** + * Checks that `value` is a number and sets the value. + */ +function setNumber2D (receiver, index, value) { + if (typeof value !== 'number') throw new TypeError('Expected number') + return (receiver._values[index] = value) +} + +/** + * Checks that `value` is a number, sets `_is2D = false` if necessary and sets + * the value. + */ +function setNumber3D (receiver, index, value) { + if (typeof value !== 'number') throw new TypeError('Expected number') + if (index === M33 || index === M44) { + if (value !== 1) receiver._is2D = false + } else if (value !== 0) receiver._is2D = false + return (receiver._values[index] = value) +} + +Object.defineProperties(DOMMatrix.prototype, { + m11: { get () { return this._values[M11] }, set (v) { return setNumber2D(this, M11, v) } }, + m12: { get () { return this._values[M12] }, set (v) { return setNumber2D(this, M12, v) } }, + m13: { get () { return this._values[M13] }, set (v) { return setNumber3D(this, M13, v) } }, + m14: { get () { return this._values[M14] }, set (v) { return setNumber3D(this, M14, v) } }, + m21: { get () { return this._values[M21] }, set (v) { return setNumber2D(this, M21, v) } }, + m22: { get () { return this._values[M22] }, set (v) { return setNumber2D(this, M22, v) } }, + m23: { get () { return this._values[M23] }, set (v) { return setNumber3D(this, M23, v) } }, + m24: { get () { return this._values[M24] }, set (v) { return setNumber3D(this, M24, v) } }, + m31: { get () { return this._values[M31] }, set (v) { return setNumber3D(this, M31, v) } }, + m32: { get () { return this._values[M32] }, set (v) { return setNumber3D(this, M32, v) } }, + m33: { get () { return this._values[M33] }, set (v) { return setNumber3D(this, M33, v) } }, + m34: { get () { return this._values[M34] }, set (v) { return setNumber3D(this, M34, v) } }, + m41: { get () { return this._values[M41] }, set (v) { return setNumber2D(this, M41, v) } }, + m42: { get () { return this._values[M42] }, set (v) { return setNumber2D(this, M42, v) } }, + m43: { get () { return this._values[M43] }, set (v) { return setNumber3D(this, M43, v) } }, + m44: { get () { return this._values[M44] }, set (v) { return setNumber3D(this, M44, v) } }, + + a: { get () { return this.m11 }, set (v) { return (this.m11 = v) } }, + b: { get () { return this.m12 }, set (v) { return (this.m12 = v) } }, + c: { get () { return this.m21 }, set (v) { return (this.m21 = v) } }, + d: { get () { return this.m22 }, set (v) { return (this.m22 = v) } }, + e: { get () { return this.m41 }, set (v) { return (this.m41 = v) } }, + f: { get () { return this.m42 }, set (v) { return (this.m42 = v) } }, + + is2D: { get () { return this._is2D } }, // read-only + + isIdentity: { + get () { + const values = this._values + return (values[M11] === 1 && values[M12] === 0 && values[M13] === 0 && values[M14] === 0 && + values[M21] === 0 && values[M22] === 1 && values[M23] === 0 && values[M24] === 0 && + values[M31] === 0 && values[M32] === 0 && values[M33] === 1 && values[M34] === 0 && + values[M41] === 0 && values[M42] === 0 && values[M43] === 0 && values[M44] === 1) + } + } +}) + +/** + * Instantiates a DOMMatrix, bypassing the constructor. + * @param {Float64Array} values Value to assign to `_values`. This is assigned + * without copying (okay because all usages are followed by a multiply). + */ +function newInstance (values) { + const instance = Object.create(DOMMatrix.prototype) + instance.constructor = DOMMatrix + instance._is2D = true + instance._values = values + return instance +} + +function multiply (A, B) { + const dest = new Float64Array(16) + for (let i = 0; i < 4; i++) { + for (let j = 0; j < 4; j++) { + let sum = 0 + for (let k = 0; k < 4; k++) { + sum += A[i * 4 + k] * B[k * 4 + j] + } + dest[i * 4 + j] = sum + } + } + return dest +} + +module.exports = { DOMMatrix, DOMPoint } + + +/***/ }), + +/***/ 1847: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +const bindings = __nccwpck_require__(8770) + +module.exports = bindings + +bindings.ImageData.prototype.toString = function () { + return '[object ImageData]' +} + +bindings.CanvasGradient.prototype.toString = function () { + return '[object CanvasGradient]' +} + + +/***/ }), + +/***/ 3589: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +/*! + * Canvas + * Copyright (c) 2010 LearnBoost + * MIT Licensed + */ + +const bindings = __nccwpck_require__(1847) +const Canvas = module.exports = bindings.Canvas +const Context2d = __nccwpck_require__(6292) +const PNGStream = __nccwpck_require__(7157) +const PDFStream = __nccwpck_require__(5032) +const JPEGStream = __nccwpck_require__(8871) +const FORMATS = ['image/png', 'image/jpeg'] +const util = __nccwpck_require__(3837) + +// TODO || is for Node.js pre-v6.6.0 +Canvas.prototype[util.inspect.custom || 'inspect'] = function () { + return `[Canvas ${this.width}x${this.height}]` +} + +Canvas.prototype.getContext = function (contextType, contextAttributes) { + if (contextType == '2d') { + const ctx = this._context2d || (this._context2d = new Context2d(this, contextAttributes)) + this.context = ctx + ctx.canvas = this + return ctx + } +} + +Canvas.prototype.pngStream = +Canvas.prototype.createPNGStream = function (options) { + return new PNGStream(this, options) +} + +Canvas.prototype.pdfStream = +Canvas.prototype.createPDFStream = function (options) { + return new PDFStream(this, options) +} + +Canvas.prototype.jpegStream = +Canvas.prototype.createJPEGStream = function (options) { + return new JPEGStream(this, options) +} + +Canvas.prototype.toDataURL = function (a1, a2, a3) { + // valid arg patterns (args -> [type, opts, fn]): + // [] -> ['image/png', null, null] + // [qual] -> ['image/png', null, null] + // [undefined] -> ['image/png', null, null] + // ['image/png'] -> ['image/png', null, null] + // ['image/png', qual] -> ['image/png', null, null] + // [fn] -> ['image/png', null, fn] + // [type, fn] -> [type, null, fn] + // [undefined, fn] -> ['image/png', null, fn] + // ['image/png', qual, fn] -> ['image/png', null, fn] + // ['image/jpeg', fn] -> ['image/jpeg', null, fn] + // ['image/jpeg', opts, fn] -> ['image/jpeg', opts, fn] + // ['image/jpeg', qual, fn] -> ['image/jpeg', {quality: qual}, fn] + // ['image/jpeg', undefined, fn] -> ['image/jpeg', null, fn] + // ['image/jpeg'] -> ['image/jpeg', null, fn] + // ['image/jpeg', opts] -> ['image/jpeg', opts, fn] + // ['image/jpeg', qual] -> ['image/jpeg', {quality: qual}, fn] + + let type = 'image/png' + let opts = {} + let fn + + if (typeof a1 === 'function') { + fn = a1 + } else { + if (typeof a1 === 'string' && FORMATS.includes(a1.toLowerCase())) { + type = a1.toLowerCase() + } + + if (typeof a2 === 'function') { + fn = a2 + } else { + if (typeof a2 === 'object') { + opts = a2 + } else if (typeof a2 === 'number') { + opts = { quality: Math.max(0, Math.min(1, a2)) } + } + + if (typeof a3 === 'function') { + fn = a3 + } else if (undefined !== a3) { + throw new TypeError(`${typeof a3} is not a function`) + } + } + } + + if (this.width === 0 || this.height === 0) { + // Per spec, if the bitmap has no pixels, return this string: + const str = 'data:,' + if (fn) { + setTimeout(() => fn(null, str)) + return + } else { + return str + } + } + + if (fn) { + this.toBuffer((err, buf) => { + if (err) return fn(err) + fn(null, `data:${type};base64,${buf.toString('base64')}`) + }, type, opts) + } else { + return `data:${type};base64,${this.toBuffer(type, opts).toString('base64')}` + } +} + + +/***/ }), + +/***/ 6292: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +/*! + * Canvas - Context2d + * Copyright (c) 2010 LearnBoost + * MIT Licensed + */ + +const bindings = __nccwpck_require__(1847) +const parseFont = __nccwpck_require__(7382) +const { DOMMatrix } = __nccwpck_require__(4381) + +bindings.CanvasRenderingContext2dInit(DOMMatrix, parseFont) +module.exports = bindings.CanvasRenderingContext2d + + +/***/ }), + +/***/ 7372: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +/*! + * Canvas - Image + * Copyright (c) 2010 LearnBoost + * MIT Licensed + */ + +/** + * Module dependencies. + */ + +const bindings = __nccwpck_require__(1847) +const Image = module.exports = bindings.Image +const util = __nccwpck_require__(3837) + +// Lazily loaded simple-get +let get + +const { GetSource, SetSource } = bindings + +Object.defineProperty(Image.prototype, 'src', { + /** + * src setter. Valid values: + * * `data:` URI + * * Local file path + * * HTTP or HTTPS URL + * * Buffer containing image data (i.e. not a `data:` URI stored in a Buffer) + * + * @param {String|Buffer} val filename, buffer, data URI, URL + * @api public + */ + set (val) { + if (typeof val === 'string') { + if (/^\s*data:/.test(val)) { // data: URI + const commaI = val.indexOf(',') + // 'base64' must come before the comma + const isBase64 = val.lastIndexOf('base64', commaI) !== -1 + const content = val.slice(commaI + 1) + setSource(this, Buffer.from(content, isBase64 ? 'base64' : 'utf8'), val) + } else if (/^\s*https?:\/\//.test(val)) { // remote URL + const onerror = err => { + if (typeof this.onerror === 'function') { + this.onerror(err) + } else { + throw err + } + } + + if (!get) get = __nccwpck_require__(6777) + + get.concat({ + url: val, + headers: { 'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36' } + }, (err, res, data) => { + if (err) return onerror(err) + + if (res.statusCode < 200 || res.statusCode >= 300) { + return onerror(new Error(`Server responded with ${res.statusCode}`)) + } + + setSource(this, data) + }) + } else { // local file path assumed + setSource(this, val) + } + } else if (Buffer.isBuffer(val)) { + setSource(this, val) + } + }, + + get () { + // TODO https://github.com/Automattic/node-canvas/issues/118 + return getSource(this) + }, + + configurable: true +}) + +// TODO || is for Node.js pre-v6.6.0 +Image.prototype[util.inspect.custom || 'inspect'] = function () { + return '[Image' + + (this.complete ? ':' + this.width + 'x' + this.height : '') + + (this.src ? ' ' + this.src : '') + + (this.complete ? ' complete' : '') + + ']' +} + +function getSource (img) { + return img._originalSource || GetSource.call(img) +} + +function setSource (img, src, origSrc) { + SetSource.call(img, src) + img._originalSource = origSrc +} + + +/***/ }), + +/***/ 8871: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +/*! + * Canvas - JPEGStream + * Copyright (c) 2010 LearnBoost + * MIT Licensed + */ + +const { Readable } = __nccwpck_require__(2781) +function noop () {} + +class JPEGStream extends Readable { + constructor (canvas, options) { + super() + + if (canvas.streamJPEGSync === undefined) { + throw new Error('node-canvas was built without JPEG support.') + } + + this.options = options + this.canvas = canvas + } + + _read () { + // For now we're not controlling the c++ code's data emission, so we only + // call canvas.streamJPEGSync once and let it emit data at will. + this._read = noop + + this.canvas.streamJPEGSync(this.options, (err, chunk) => { + if (err) { + this.emit('error', err) + } else if (chunk) { + this.push(chunk) + } else { + this.push(null) + } + }) + } +}; + +module.exports = JPEGStream + + +/***/ }), + +/***/ 7382: +/***/ ((module) => { + +"use strict"; + + +/** + * Font RegExp helpers. + */ + +const weights = 'bold|bolder|lighter|[1-9]00' +const styles = 'italic|oblique' +const variants = 'small-caps' +const stretches = 'ultra-condensed|extra-condensed|condensed|semi-condensed|semi-expanded|expanded|extra-expanded|ultra-expanded' +const units = 'px|pt|pc|in|cm|mm|%|em|ex|ch|rem|q' +const string = '\'([^\']+)\'|"([^"]+)"|[\\w\\s-]+' + +// [ [ <‘font-style’> || || <‘font-weight’> || <‘font-stretch’> ]? +// <‘font-size’> [ / <‘line-height’> ]? <‘font-family’> ] +// https://drafts.csswg.org/css-fonts-3/#font-prop +const weightRe = new RegExp(`(${weights}) +`, 'i') +const styleRe = new RegExp(`(${styles}) +`, 'i') +const variantRe = new RegExp(`(${variants}) +`, 'i') +const stretchRe = new RegExp(`(${stretches}) +`, 'i') +const sizeFamilyRe = new RegExp( + `([\\d\\.]+)(${units}) *((?:${string})( *, *(?:${string}))*)`) + +/** + * Cache font parsing. + */ + +const cache = {} + +const defaultHeight = 16 // pt, common browser default + +/** + * Parse font `str`. + * + * @param {String} str + * @return {Object} Parsed font. `size` is in device units. `unit` is the unit + * appearing in the input string. + * @api private + */ + +module.exports = str => { + // Cached + if (cache[str]) return cache[str] + + // Try for required properties first. + const sizeFamily = sizeFamilyRe.exec(str) + if (!sizeFamily) return // invalid + + // Default values and required properties + const font = { + weight: 'normal', + style: 'normal', + stretch: 'normal', + variant: 'normal', + size: parseFloat(sizeFamily[1]), + unit: sizeFamily[2], + family: sizeFamily[3].replace(/["']/g, '').replace(/ *, */g, ',') + } + + // Optional, unordered properties. + let weight, style, variant, stretch + // Stop search at `sizeFamily.index` + const substr = str.substring(0, sizeFamily.index) + if ((weight = weightRe.exec(substr))) font.weight = weight[1] + if ((style = styleRe.exec(substr))) font.style = style[1] + if ((variant = variantRe.exec(substr))) font.variant = variant[1] + if ((stretch = stretchRe.exec(substr))) font.stretch = stretch[1] + + // Convert to device units. (`font.unit` is the original unit) + // TODO: ch, ex + switch (font.unit) { + case 'pt': + font.size /= 0.75 + break + case 'pc': + font.size *= 16 + break + case 'in': + font.size *= 96 + break + case 'cm': + font.size *= 96.0 / 2.54 + break + case 'mm': + font.size *= 96.0 / 25.4 + break + case '%': + // TODO disabled because existing unit tests assume 100 + // font.size *= defaultHeight / 100 / 0.75 + break + case 'em': + case 'rem': + font.size *= defaultHeight / 0.75 + break + case 'q': + font.size *= 96 / 25.4 / 4 + break + } + + return (cache[str] = font) +} + + +/***/ }), + +/***/ 1067: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +/*! + * Canvas - CanvasPattern + * Copyright (c) 2010 LearnBoost + * MIT Licensed + */ + +const bindings = __nccwpck_require__(1847) +const { DOMMatrix } = __nccwpck_require__(4381) + +bindings.CanvasPatternInit(DOMMatrix) +module.exports = bindings.CanvasPattern + +bindings.CanvasPattern.prototype.toString = function () { + return '[object CanvasPattern]' +} + + +/***/ }), + +/***/ 5032: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +/*! + * Canvas - PDFStream + */ + +const { Readable } = __nccwpck_require__(2781) +function noop () {} + +class PDFStream extends Readable { + constructor (canvas, options) { + super() + + this.canvas = canvas + this.options = options + } + + _read () { + // For now we're not controlling the c++ code's data emission, so we only + // call canvas.streamPDFSync once and let it emit data at will. + this._read = noop + + this.canvas.streamPDFSync((err, chunk, len) => { + if (err) { + this.emit('error', err) + } else if (len) { + this.push(chunk) + } else { + this.push(null) + } + }, this.options) + } +} + +module.exports = PDFStream + + +/***/ }), + +/***/ 7157: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + + +/*! + * Canvas - PNGStream + * Copyright (c) 2010 LearnBoost + * MIT Licensed + */ + +const { Readable } = __nccwpck_require__(2781) +function noop () {} + +class PNGStream extends Readable { + constructor (canvas, options) { + super() + + if (options && + options.palette instanceof Uint8ClampedArray && + options.palette.length % 4 !== 0) { + throw new Error('Palette length must be a multiple of 4.') + } + this.canvas = canvas + this.options = options || {} + } + + _read () { + // For now we're not controlling the c++ code's data emission, so we only + // call canvas.streamPNGSync once and let it emit data at will. + this._read = noop + + this.canvas.streamPNGSync((err, chunk, len) => { + if (err) { + this.emit('error', err) + } else if (len) { + this.push(chunk) + } else { + this.push(null) + } + }, this.options) + } +} + +module.exports = PNGStream + + /***/ }), /***/ 1957: @@ -57049,6 +58322,54 @@ var isArray = Array.isArray || function (xs) { }; +/***/ }), + +/***/ 7947: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +"use strict"; + +const {PassThrough: PassThroughStream} = __nccwpck_require__(2781); +const zlib = __nccwpck_require__(9796); +const mimicResponse = __nccwpck_require__(4363); + +const decompressResponse = response => { + const contentEncoding = (response.headers['content-encoding'] || '').toLowerCase(); + + if (!['gzip', 'deflate', 'br'].includes(contentEncoding)) { + return response; + } + + const isBrotli = contentEncoding === 'br'; + if (isBrotli && typeof zlib.createBrotliDecompress !== 'function') { + return response; + } + + const decompress = isBrotli ? zlib.createBrotliDecompress() : zlib.createUnzip(); + const stream = new PassThroughStream(); + + mimicResponse(response, stream); + + decompress.on('error', error => { + // Ignore empty response + if (error.code === 'Z_BUF_ERROR') { + stream.end(); + return; + } + + stream.emit('error', error); + }); + + response.pipe(decompress).pipe(stream); + + return stream; +}; + +module.exports = decompressResponse; +// TODO: remove this in the next major version +module.exports["default"] = decompressResponse; + + /***/ }), /***/ 5946: @@ -65152,6 +66473,52 @@ function populateMaps (extensions, types) { } +/***/ }), + +/***/ 4363: +/***/ ((module) => { + +"use strict"; + + +// We define these manually to ensure they're always copied +// even if they would move up the prototype chain +// https://nodejs.org/api/http.html#http_class_http_incomingmessage +const knownProperties = [ + 'aborted', + 'complete', + 'destroy', + 'headers', + 'httpVersion', + 'httpVersionMinor', + 'httpVersionMajor', + 'method', + 'rawHeaders', + 'rawTrailers', + 'setTimeout', + 'socket', + 'statusCode', + 'statusMessage', + 'trailers', + 'url' +]; + +module.exports = (fromStream, toStream) => { + const fromProperties = new Set(Object.keys(fromStream).concat(knownProperties)); + + for (const property of fromProperties) { + // Don't overwrite existing properties. + if (property in toStream) { + continue; + } + + toStream[property] = typeof fromStream[property] === 'function' ? fromStream[property].bind(fromStream) : fromStream[property]; + } + + return toStream; +}; + + /***/ }), /***/ 2679: @@ -72788,6 +74155,142 @@ const validRange = (range, options) => { module.exports = validRange +/***/ }), + +/***/ 2034: +/***/ ((module) => { + +/*! simple-concat. MIT License. Feross Aboukhadijeh */ +module.exports = function (stream, cb) { + var chunks = [] + stream.on('data', function (chunk) { + chunks.push(chunk) + }) + stream.once('end', function () { + if (cb) cb(null, Buffer.concat(chunks)) + cb = null + }) + stream.once('error', function (err) { + if (cb) cb(err) + cb = null + }) +} + + +/***/ }), + +/***/ 6777: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +module.exports = simpleGet + +const concat = __nccwpck_require__(2034) +const decompressResponse = __nccwpck_require__(7947) // excluded from browser build +const http = __nccwpck_require__(3685) +const https = __nccwpck_require__(5687) +const once = __nccwpck_require__(4954) +const querystring = __nccwpck_require__(3477) +const url = __nccwpck_require__(7310) + +const isStream = o => o !== null && typeof o === 'object' && typeof o.pipe === 'function' + +function simpleGet (opts, cb) { + opts = Object.assign({ maxRedirects: 10 }, typeof opts === 'string' ? { url: opts } : opts) + cb = once(cb) + + if (opts.url) { + const { hostname, port, protocol, auth, path } = url.parse(opts.url) // eslint-disable-line node/no-deprecated-api + delete opts.url + if (!hostname && !port && !protocol && !auth) opts.path = path // Relative redirect + else Object.assign(opts, { hostname, port, protocol, auth, path }) // Absolute redirect + } + + const headers = { 'accept-encoding': 'gzip, deflate' } + if (opts.headers) Object.keys(opts.headers).forEach(k => (headers[k.toLowerCase()] = opts.headers[k])) + opts.headers = headers + + let body + if (opts.body) { + body = opts.json && !isStream(opts.body) ? JSON.stringify(opts.body) : opts.body + } else if (opts.form) { + body = typeof opts.form === 'string' ? opts.form : querystring.stringify(opts.form) + opts.headers['content-type'] = 'application/x-www-form-urlencoded' + } + + if (body) { + if (!opts.method) opts.method = 'POST' + if (!isStream(body)) opts.headers['content-length'] = Buffer.byteLength(body) + if (opts.json && !opts.form) opts.headers['content-type'] = 'application/json' + } + delete opts.body; delete opts.form + + if (opts.json) opts.headers.accept = 'application/json' + if (opts.method) opts.method = opts.method.toUpperCase() + + const originalHost = opts.hostname // hostname before potential redirect + const protocol = opts.protocol === 'https:' ? https : http // Support http/https urls + const req = protocol.request(opts, res => { + if (opts.followRedirects !== false && res.statusCode >= 300 && res.statusCode < 400 && res.headers.location) { + opts.url = res.headers.location // Follow 3xx redirects + delete opts.headers.host // Discard `host` header on redirect (see #32) + res.resume() // Discard response + + const redirectHost = url.parse(opts.url).hostname // eslint-disable-line node/no-deprecated-api + // If redirected host is different than original host, drop headers to prevent cookie leak (#73) + if (redirectHost !== null && redirectHost !== originalHost) { + delete opts.headers.cookie + delete opts.headers.authorization + } + + if (opts.method === 'POST' && [301, 302].includes(res.statusCode)) { + opts.method = 'GET' // On 301/302 redirect, change POST to GET (see #35) + delete opts.headers['content-length']; delete opts.headers['content-type'] + } + + if (opts.maxRedirects-- === 0) return cb(new Error('too many redirects')) + else return simpleGet(opts, cb) + } + + const tryUnzip = typeof decompressResponse === 'function' && opts.method !== 'HEAD' + cb(null, tryUnzip ? decompressResponse(res) : res) + }) + req.on('timeout', () => { + req.abort() + cb(new Error('Request timed out')) + }) + req.on('error', cb) + + if (isStream(body)) body.on('error', cb).pipe(req) + else req.end(body) + + return req +} + +simpleGet.concat = (opts, cb) => { + return simpleGet(opts, (err, res) => { + if (err) return cb(err) + concat(res, (err, data) => { + if (err) return cb(err) + if (opts.json) { + try { + data = JSON.parse(data.toString()) + } catch (err) { + return cb(err, res, data) + } + } + cb(null, res, data) + }) + }) +} + +;['get', 'post', 'put', 'patch', 'head', 'delete'].forEach(method => { + simpleGet[method] = (opts, cb) => { + if (typeof opts === 'string') opts = { url: opts } + return simpleGet(Object.assign({ method: method.toUpperCase() }, opts), cb) + } +}) + + /***/ }), /***/ 1031: @@ -81964,19 +83467,21 @@ function generateReports() { const treeSha = yield (0, utils_1.createTree)(JSON.stringify(buildOutput)); yield (0, utils_1.createRef)(treeSha); if (areMetricHistoriesEnabled()) { - const pushEvents = yield (0, utils_1.getPushEvents)(getBuildCountsForMetricHistory()); + /*const pushEvents = await getPushEvents(getBuildCountsForMetricHistory()) // Prepare data - const timestamps = []; - const shas = []; - for (let i = 0; i < pushEvents.length; i++) { - timestamps.push(pushEvents[i].created_at); - shas.push(pushEvents[i].payload.commits[pushEvents[i].payload.commits.length - 1].sha); + const timestamps = [] + const shas = [] + for (let i=0; i < pushEvents.length; i++) { + timestamps.push(pushEvents[i].created_at) + shas.push(pushEvents[i].payload.commits[pushEvents[i].payload.commits.length - 1].sha) + } - const imageData = yield (0, utils_1.getImageData)(shas); - const commitDates = (0, utils_1.formatTimestamps)(timestamps); - const mermaidDiagramm = createHistoryDiagramm(shas, imageData, commitDates); - core.summary.addRaw(mermaidDiagramm); - yield core.summary.write(); + const imageData = await getImageData(shas) + const commitDates = formatTimestamps(timestamps) + const mermaidDiagramm = createHistoryDiagramm(shas, imageData, commitDates) + core.summary.addRaw(mermaidDiagramm) + await core.summary.write()*/ + yield (0, utils_1.createChart)(); } if (arePRBaseComparisonEnabled()) { const prMetrics = JSON.parse(yield (0, utils_1.getPrBaseBranchMetrics)()); @@ -83337,13 +84842,14 @@ var __importDefault = (this && this.__importDefault) || function (mod) { return (mod && mod.__esModule) ? mod : { "default": mod }; }; Object.defineProperty(exports, "__esModule", ({ value: true })); -exports.getImageData = exports.formatTimestamps = exports.getPushEvents = exports.getPrBaseBranchMetrics = exports.createTree = exports.createRef = exports.createPRComment = exports.isPREvent = exports.toSemVer = exports.calculateSHA256 = exports.downloadExtractAndCacheJDK = exports.downloadAndExtractJDK = exports.getMatchingTags = exports.getTaggedRelease = exports.getLatestRelease = exports.exec = void 0; +exports.createChart = exports.getPrBaseBranchMetrics = exports.createTree = exports.createRef = exports.createPRComment = exports.isPREvent = exports.toSemVer = exports.calculateSHA256 = exports.downloadExtractAndCacheJDK = exports.downloadAndExtractJDK = exports.getMatchingTags = exports.getTaggedRelease = exports.getLatestRelease = exports.exec = void 0; const c = __importStar(__nccwpck_require__(2764)); const core = __importStar(__nccwpck_require__(2258)); const github = __importStar(__nccwpck_require__(7168)); const httpClient = __importStar(__nccwpck_require__(9547)); const tc = __importStar(__nccwpck_require__(5603)); const exec_1 = __nccwpck_require__(1483); +const fs = __importStar(__nccwpck_require__(7147)); const fs_1 = __nccwpck_require__(7147); const crypto_1 = __nccwpck_require__(6113); const path_1 = __nccwpck_require__(1017); @@ -83351,6 +84857,8 @@ const js_base64_1 = __nccwpck_require__(7821); const rest_1 = __nccwpck_require__(6175); const node_fetch_1 = __importDefault(__nccwpck_require__(831)); const luxon_1 = __nccwpck_require__(955); +const chart_js_1 = __nccwpck_require__(7866); +const canvas_1 = __nccwpck_require__(3893); // Set up Octokit for github.com only and in the same way as @actions/github (see https://git.io/Jy9YP) const baseUrl = 'https://api.github.com'; const GitHubDotCom = rest_1.Octokit.defaults({ @@ -83599,106 +85107,296 @@ function getBlobContent(octokit, context, blobSha) { return js_base64_1.Base64.decode(data.content); }); } -function getPushEvents(numberOfBuilds) { - return __awaiter(this, void 0, void 0, function* () { - try { - const octokit = new rest_1.Octokit({ - auth: getGitHubToken(), - request: { - fetch: node_fetch_1.default, - }, - }); - const context = github.context; - const eventResponse = yield octokit.request(c.OCTOKIT_ROUTE_GET_EVENTS, Object.assign(Object.assign({}, context.repo), { headers: c.OCTOKIT_BASIC_HEADER })); - let linkHeader = eventResponse.headers.link; - const eventData = eventResponse.data; - const pushEvents = []; - let eventsLeft = numberOfBuilds; - for (let event of eventData) { - if (eventsLeft <= 0) { - break; - } - if (event.type === "PushEvent" && - event.payload.ref === process.env.GITHUB_REF) { - pushEvents.push(event); - eventsLeft = eventsLeft - 1; - } +/* +export async function getPushEvents(numberOfBuilds: number): Promise { + try { + const octokit = new Octokit({ + auth: getGitHubToken(), + request: { + fetch: fetch, + }, + }); + const context = github.context + const eventResponse = await octokit.request(c.OCTOKIT_ROUTE_GET_EVENTS, { + ...context.repo, + headers: c.OCTOKIT_BASIC_HEADER + }) + let linkHeader = eventResponse.headers.link + const eventData: any = eventResponse.data + const pushEvents = [] + let eventsLeft = numberOfBuilds + + for (let event of eventData) { + if (eventsLeft <= 0) { + break; } - let nextPageMatch = /<([^>]+)>;\s*rel="next"/; - while (linkHeader && - linkHeader.includes('rel="next"') && - eventsLeft > 0) { - let nextPageUrl = nextPageMatch === null || nextPageMatch === void 0 ? void 0 : nextPageMatch.exec(linkHeader)[1]; - // Make the request for the next page - // Assuming you use fetch API or similar for making HTTP requests - (0, node_fetch_1.default)(nextPageUrl, { - headers: { - Authorization: "Bearer " + getGitHubToken(), - }, - }) - .then((response) => response.json()) - .then((nextPageResponse) => { + if ( + event.type === "PushEvent" && + event.payload!.ref! === process.env.GITHUB_REF + ) { + pushEvents.push(event); + eventsLeft = eventsLeft-1; + } + } + + let nextPageMatch = /<([^>]+)>;\s*rel="next"/; + while ( + linkHeader && + linkHeader.includes('rel="next"') && + eventsLeft > 0 + ) { + let nextPageUrl = nextPageMatch?.exec(linkHeader)![1]; + // Make the request for the next page + // Assuming you use fetch API or similar for making HTTP requests + fetch(nextPageUrl, { + headers: { + Authorization: "Bearer " + getGitHubToken(), + }, + }) + .then((response) => response.json()) + .then((nextPageResponse) => { for (let event of nextPageResponse) { if (eventsLeft <= 0) { break; } - if (event.type === "PushEvent" && - event.payload.ref === process.env.GITHUB_REF) { + if ( + event.type === "PushEvent" && + event.payload.ref === process.env.GITHUB_REF + ) { pushEvents.push(event); - eventsLeft = eventsLeft - 1; + eventsLeft = eventsLeft-1; } } + // Update the link_header for the next iteration linkHeader = eventResponse.headers.link; }) - .catch((error) => { + .catch((error) => { console.error("Error fetching next page:", error); }); - } - return pushEvents; } - catch (err) { - console.info("An error occurred during getting metrics data."); - return []; - } - }); + return pushEvents + } catch (err) { + console.info("An error occurred during getting metrics data.") + return [] + } } -exports.getPushEvents = getPushEvents; -function formatTimestamps(timestamps) { - const formattedTimestamps = []; - for (let i = 0; i < timestamps.length; i++) { - let commitTime = luxon_1.DateTime.fromISO(timestamps[i]); + +export function formatTimestamps(timestamps: string[]) { + const formattedTimestamps = [] + for (let i=0; i= 30) { + return commitTimeLocal.toFormat('dd.MM.\HH:mm'); + } + else { + return commitTimeLocal.toFormat('dd.MM.yyyy \n HH:mm'); + } +} +function getImageData(commitSha) { return __awaiter(this, void 0, void 0, function* () { - const context = github.context; const octokit = new rest_1.Octokit({ auth: getGitHubToken(), - request: { - fetch: node_fetch_1.default, - }, }); - const imageData = []; - core.info(String(shas)); - for (let i = 0; i < shas.length; i++) { - core.info("reent sha: " + shas[i]); - const blobTreeSha = yield getBlobTreeSha(octokit, context, shas[i]); - const blobSha = yield getBlobSha(octokit, context, blobTreeSha); - imageData.push(yield getBlobContent(octokit, context, blobSha)); + const context = github.context; + try { + // Get the reference SHA + const refResponse = yield octokit.git.getRef(Object.assign(Object.assign({}, context.repo), { ref: `graalvm-metrics/${commitSha}` })); + const refSha = refResponse.data.object.sha; + console.log(refSha); + // Get the tree SHA + const treeResponse = yield octokit.git.getTree(Object.assign(Object.assign({}, context.repo), { tree_sha: refSha })); + const blobSha = treeResponse.data.tree[0].sha; + // Get the blob content + const blobResponse = yield octokit.git.getBlob(Object.assign(Object.assign({}, context.repo), { file_sha: String(blobSha) })); + const content = Buffer.from(blobResponse.data.content, 'base64').toString('utf-8'); + const data = JSON.parse(content); + console.log(data.image_details.total_bytes / 1e6); + return [ + data.image_details.total_bytes / 1e6, + data.image_details.code_area.bytes / 1e6, + data.image_details.image_heap.bytes / 1e6, + ]; + } + catch (err) { + console.error('Error fetching image data'); + return [0, 0, 0]; } - return imageData; }); } -exports.getImageData = getImageData; +// Function to fetch data +function fetchData() { + return __awaiter(this, void 0, void 0, function* () { + const octokit = new rest_1.Octokit({ + auth: getGitHubToken(), + }); + return new Promise((resolve) => __awaiter(this, void 0, void 0, function* () { + const response = yield octokit.request(c.OCTOKIT_ROUTE_GET_EVENTS, Object.assign(Object.assign({}, github.context.repo), { headers: c.OCTOKIT_BASIC_HEADER })); + // get push events + const pushEvents = yield getPushEvents(response); + // Prepare data + const timestamps = []; + const shas = []; + for (const pushEvent of pushEvents) { + timestamps.push(pushEvent.created_at); + shas.push(pushEvent.payload.commits[pushEvent.payload.commits.length - 1].sha); + } + // Extract data for plotting + const commitDates = timestamps.map(timestamp => formatDate(timestamp, Number(core.getInput('build-counts-for-metric-history')))); + const imageDataPromises = shas.map((sha) => __awaiter(this, void 0, void 0, function* () { return yield getImageData(sha); })); + const imageData = yield Promise.all(imageDataPromises); + const imageSizes = imageData.filter(entry => entry).map(entry => entry[0]); + const codeAreaSizes = imageData.filter(entry => entry).map(entry => entry[1]); + const imageHeapSizes = imageData.filter(entry => entry).map(entry => entry[2]); + const data = { + commitDates: commitDates, + imageData: imageData, + imageSizes: imageSizes, + codeAreaSizes: codeAreaSizes, + imageHeapSizes: imageHeapSizes + }; + resolve(data); + })); + }); +} +function getPushEvents(response) { + return __awaiter(this, void 0, void 0, function* () { + const eventsArray = response.data; + let linkHeader = response.headers.link; + let commitsLeft = Number(core.getInput('build-counts-for-metric-history')); + const pushEvents = []; + for (const event of eventsArray) { + if (commitsLeft <= 0) { + break; + } + if (event.type === "PushEvent" && event.payload.ref === process.env.GITHUB_REF) { + pushEvents.push(event); + commitsLeft -= 1; + } + } + while (linkHeader && linkHeader.includes('rel="next"') && commitsLeft > 0) { + // Extract the URL for the next page + const nextPageMatch = linkHeader.match(/<([^>]+)>;\s*rel="next"/); + const nextPageUrl = nextPageMatch ? nextPageMatch[1] : null; + // Make the request for the next page + const response = yield (0, node_fetch_1.default)(nextPageUrl, { + headers: { + Authorization: getGitHubToken(), + }, + }); + const responseJson = yield response.json(); + for (const event of responseJson) { + if (commitsLeft <= 0) { + break; + } + if (event.type === "PushEvent" && event.payload.ref === process.env.GITHUB_REF) { + pushEvents.push(event); + commitsLeft -= 1; + } + } + // Update linkHeader for the next iteration + linkHeader = response.headers.get("link"); + } + return pushEvents; + }); +} +function createDatasets(data) { + const labels = data.commitDates.reverse(); + const datasets = [ + { + label: 'Image Sizes', + data: data.imageSizes.reverse(), + borderColor: 'rgba(75, 192, 192, 1)', + backgroundColor: 'rgba(75, 192, 192, 0.2)', + pointRadius: 5, + pointHoverRadius: 8, + yAxisID: 'y-axis-1', + }, + { + label: 'Code Area Sizes', + data: data.codeAreaSizes.reverse(), + borderColor: 'rgba(255, 99, 132, 1)', + backgroundColor: 'rgba(255, 99, 132, 0.2)', + pointRadius: 5, + pointHoverRadius: 8, + yAxisID: 'y-axis-1', + }, + { + label: 'Image Heap Sizes', + data: data.imageHeapSizes.reverse(), + borderColor: 'rgba(255, 205, 86, 1)', + backgroundColor: 'rgba(255, 205, 86, 0.2)', + pointRadius: 5, + pointHoverRadius: 8, + yAxisID: 'y-axis-1', + }, + ]; + return { + labels: labels, + datasets: datasets, + }; +} +function createChart() { + return __awaiter(this, void 0, void 0, function* () { + try { + const data = yield fetchData(); + console.log(data); + // Set up canvas + const canvas = (0, canvas_1.createCanvas)(800, 400); + yield chart_js_1.Chart.register(...chart_js_1.registerables); // Register Chart.js plugins + // Save the canvas as a PNG file + const out = fs.createWriteStream('output_chart.png'); + const stream = canvas.createPNGStream(); + stream.pipe(out); + out.on('finish', () => console.log('The PNG file was created.')); + } + catch (error) { + console.error('Error fetching data:', error); + } + }); +} +exports.createChart = createChart; +// Call the createChart function +//createChart(); +/***/ }), + +/***/ 8770: +/***/ ((module, __unused_webpack_exports, __nccwpck_require__) => { + +module.exports = require(__nccwpck_require__.ab + "build/Release/canvas.node") + /***/ }), /***/ 9579: @@ -83805,6 +85503,14 @@ module.exports = require("punycode"); /***/ }), +/***/ 3477: +/***/ ((module) => { + +"use strict"; +module.exports = require("querystring"); + +/***/ }), + /***/ 2781: /***/ ((module) => { @@ -83861,6 +85567,15026 @@ module.exports = require("zlib"); /***/ }), +/***/ 8620: +/***/ (function(module) { + +/*! + * @kurkle/color v0.3.2 + * https://github.com/kurkle/color#readme + * (c) 2023 Jukka Kurkela + * Released under the MIT License + */ +(function (global, factory) { + true ? module.exports = factory() : +0; +})(this, (function () { 'use strict'; + +function round(v) { + return v + 0.5 | 0; +} +const lim = (v, l, h) => Math.max(Math.min(v, h), l); +function p2b(v) { + return lim(round(v * 2.55), 0, 255); +} +function b2p(v) { + return lim(round(v / 2.55), 0, 100); +} +function n2b(v) { + return lim(round(v * 255), 0, 255); +} +function b2n(v) { + return lim(round(v / 2.55) / 100, 0, 1); +} +function n2p(v) { + return lim(round(v * 100), 0, 100); +} + +const map$1 = {0: 0, 1: 1, 2: 2, 3: 3, 4: 4, 5: 5, 6: 6, 7: 7, 8: 8, 9: 9, A: 10, B: 11, C: 12, D: 13, E: 14, F: 15, a: 10, b: 11, c: 12, d: 13, e: 14, f: 15}; +const hex = [...'0123456789ABCDEF']; +const h1 = b => hex[b & 0xF]; +const h2 = b => hex[(b & 0xF0) >> 4] + hex[b & 0xF]; +const eq = b => ((b & 0xF0) >> 4) === (b & 0xF); +const isShort = v => eq(v.r) && eq(v.g) && eq(v.b) && eq(v.a); +function hexParse(str) { + var len = str.length; + var ret; + if (str[0] === '#') { + if (len === 4 || len === 5) { + ret = { + r: 255 & map$1[str[1]] * 17, + g: 255 & map$1[str[2]] * 17, + b: 255 & map$1[str[3]] * 17, + a: len === 5 ? map$1[str[4]] * 17 : 255 + }; + } else if (len === 7 || len === 9) { + ret = { + r: map$1[str[1]] << 4 | map$1[str[2]], + g: map$1[str[3]] << 4 | map$1[str[4]], + b: map$1[str[5]] << 4 | map$1[str[6]], + a: len === 9 ? (map$1[str[7]] << 4 | map$1[str[8]]) : 255 + }; + } + } + return ret; +} +const alpha = (a, f) => a < 255 ? f(a) : ''; +function hexString(v) { + var f = isShort(v) ? h1 : h2; + return v + ? '#' + f(v.r) + f(v.g) + f(v.b) + alpha(v.a, f) + : undefined; +} + +const HUE_RE = /^(hsla?|hwb|hsv)\(\s*([-+.e\d]+)(?:deg)?[\s,]+([-+.e\d]+)%[\s,]+([-+.e\d]+)%(?:[\s,]+([-+.e\d]+)(%)?)?\s*\)$/; +function hsl2rgbn(h, s, l) { + const a = s * Math.min(l, 1 - l); + const f = (n, k = (n + h / 30) % 12) => l - a * Math.max(Math.min(k - 3, 9 - k, 1), -1); + return [f(0), f(8), f(4)]; +} +function hsv2rgbn(h, s, v) { + const f = (n, k = (n + h / 60) % 6) => v - v * s * Math.max(Math.min(k, 4 - k, 1), 0); + return [f(5), f(3), f(1)]; +} +function hwb2rgbn(h, w, b) { + const rgb = hsl2rgbn(h, 1, 0.5); + let i; + if (w + b > 1) { + i = 1 / (w + b); + w *= i; + b *= i; + } + for (i = 0; i < 3; i++) { + rgb[i] *= 1 - w - b; + rgb[i] += w; + } + return rgb; +} +function hueValue(r, g, b, d, max) { + if (r === max) { + return ((g - b) / d) + (g < b ? 6 : 0); + } + if (g === max) { + return (b - r) / d + 2; + } + return (r - g) / d + 4; +} +function rgb2hsl(v) { + const range = 255; + const r = v.r / range; + const g = v.g / range; + const b = v.b / range; + const max = Math.max(r, g, b); + const min = Math.min(r, g, b); + const l = (max + min) / 2; + let h, s, d; + if (max !== min) { + d = max - min; + s = l > 0.5 ? d / (2 - max - min) : d / (max + min); + h = hueValue(r, g, b, d, max); + h = h * 60 + 0.5; + } + return [h | 0, s || 0, l]; +} +function calln(f, a, b, c) { + return ( + Array.isArray(a) + ? f(a[0], a[1], a[2]) + : f(a, b, c) + ).map(n2b); +} +function hsl2rgb(h, s, l) { + return calln(hsl2rgbn, h, s, l); +} +function hwb2rgb(h, w, b) { + return calln(hwb2rgbn, h, w, b); +} +function hsv2rgb(h, s, v) { + return calln(hsv2rgbn, h, s, v); +} +function hue(h) { + return (h % 360 + 360) % 360; +} +function hueParse(str) { + const m = HUE_RE.exec(str); + let a = 255; + let v; + if (!m) { + return; + } + if (m[5] !== v) { + a = m[6] ? p2b(+m[5]) : n2b(+m[5]); + } + const h = hue(+m[2]); + const p1 = +m[3] / 100; + const p2 = +m[4] / 100; + if (m[1] === 'hwb') { + v = hwb2rgb(h, p1, p2); + } else if (m[1] === 'hsv') { + v = hsv2rgb(h, p1, p2); + } else { + v = hsl2rgb(h, p1, p2); + } + return { + r: v[0], + g: v[1], + b: v[2], + a: a + }; +} +function rotate(v, deg) { + var h = rgb2hsl(v); + h[0] = hue(h[0] + deg); + h = hsl2rgb(h); + v.r = h[0]; + v.g = h[1]; + v.b = h[2]; +} +function hslString(v) { + if (!v) { + return; + } + const a = rgb2hsl(v); + const h = a[0]; + const s = n2p(a[1]); + const l = n2p(a[2]); + return v.a < 255 + ? `hsla(${h}, ${s}%, ${l}%, ${b2n(v.a)})` + : `hsl(${h}, ${s}%, ${l}%)`; +} + +const map = { + x: 'dark', + Z: 'light', + Y: 're', + X: 'blu', + W: 'gr', + V: 'medium', + U: 'slate', + A: 'ee', + T: 'ol', + S: 'or', + B: 'ra', + C: 'lateg', + D: 'ights', + R: 'in', + Q: 'turquois', + E: 'hi', + P: 'ro', + O: 'al', + N: 'le', + M: 'de', + L: 'yello', + F: 'en', + K: 'ch', + G: 'arks', + H: 'ea', + I: 'ightg', + J: 'wh' +}; +const names$1 = { + OiceXe: 'f0f8ff', + antiquewEte: 'faebd7', + aqua: 'ffff', + aquamarRe: '7fffd4', + azuY: 'f0ffff', + beige: 'f5f5dc', + bisque: 'ffe4c4', + black: '0', + blanKedOmond: 'ffebcd', + Xe: 'ff', + XeviTet: '8a2be2', + bPwn: 'a52a2a', + burlywood: 'deb887', + caMtXe: '5f9ea0', + KartYuse: '7fff00', + KocTate: 'd2691e', + cSO: 'ff7f50', + cSnflowerXe: '6495ed', + cSnsilk: 'fff8dc', + crimson: 'dc143c', + cyan: 'ffff', + xXe: '8b', + xcyan: '8b8b', + xgTMnPd: 'b8860b', + xWay: 'a9a9a9', + xgYF: '6400', + xgYy: 'a9a9a9', + xkhaki: 'bdb76b', + xmagFta: '8b008b', + xTivegYF: '556b2f', + xSange: 'ff8c00', + xScEd: '9932cc', + xYd: '8b0000', + xsOmon: 'e9967a', + xsHgYF: '8fbc8f', + xUXe: '483d8b', + xUWay: '2f4f4f', + xUgYy: '2f4f4f', + xQe: 'ced1', + xviTet: '9400d3', + dAppRk: 'ff1493', + dApskyXe: 'bfff', + dimWay: '696969', + dimgYy: '696969', + dodgerXe: '1e90ff', + fiYbrick: 'b22222', + flSOwEte: 'fffaf0', + foYstWAn: '228b22', + fuKsia: 'ff00ff', + gaRsbSo: 'dcdcdc', + ghostwEte: 'f8f8ff', + gTd: 'ffd700', + gTMnPd: 'daa520', + Way: '808080', + gYF: '8000', + gYFLw: 'adff2f', + gYy: '808080', + honeyMw: 'f0fff0', + hotpRk: 'ff69b4', + RdianYd: 'cd5c5c', + Rdigo: '4b0082', + ivSy: 'fffff0', + khaki: 'f0e68c', + lavFMr: 'e6e6fa', + lavFMrXsh: 'fff0f5', + lawngYF: '7cfc00', + NmoncEffon: 'fffacd', + ZXe: 'add8e6', + ZcSO: 'f08080', + Zcyan: 'e0ffff', + ZgTMnPdLw: 'fafad2', + ZWay: 'd3d3d3', + ZgYF: '90ee90', + ZgYy: 'd3d3d3', + ZpRk: 'ffb6c1', + ZsOmon: 'ffa07a', + ZsHgYF: '20b2aa', + ZskyXe: '87cefa', + ZUWay: '778899', + ZUgYy: '778899', + ZstAlXe: 'b0c4de', + ZLw: 'ffffe0', + lime: 'ff00', + limegYF: '32cd32', + lRF: 'faf0e6', + magFta: 'ff00ff', + maPon: '800000', + VaquamarRe: '66cdaa', + VXe: 'cd', + VScEd: 'ba55d3', + VpurpN: '9370db', + VsHgYF: '3cb371', + VUXe: '7b68ee', + VsprRggYF: 'fa9a', + VQe: '48d1cc', + VviTetYd: 'c71585', + midnightXe: '191970', + mRtcYam: 'f5fffa', + mistyPse: 'ffe4e1', + moccasR: 'ffe4b5', + navajowEte: 'ffdead', + navy: '80', + Tdlace: 'fdf5e6', + Tive: '808000', + TivedBb: '6b8e23', + Sange: 'ffa500', + SangeYd: 'ff4500', + ScEd: 'da70d6', + pOegTMnPd: 'eee8aa', + pOegYF: '98fb98', + pOeQe: 'afeeee', + pOeviTetYd: 'db7093', + papayawEp: 'ffefd5', + pHKpuff: 'ffdab9', + peru: 'cd853f', + pRk: 'ffc0cb', + plum: 'dda0dd', + powMrXe: 'b0e0e6', + purpN: '800080', + YbeccapurpN: '663399', + Yd: 'ff0000', + Psybrown: 'bc8f8f', + PyOXe: '4169e1', + saddNbPwn: '8b4513', + sOmon: 'fa8072', + sandybPwn: 'f4a460', + sHgYF: '2e8b57', + sHshell: 'fff5ee', + siFna: 'a0522d', + silver: 'c0c0c0', + skyXe: '87ceeb', + UXe: '6a5acd', + UWay: '708090', + UgYy: '708090', + snow: 'fffafa', + sprRggYF: 'ff7f', + stAlXe: '4682b4', + tan: 'd2b48c', + teO: '8080', + tEstN: 'd8bfd8', + tomato: 'ff6347', + Qe: '40e0d0', + viTet: 'ee82ee', + JHt: 'f5deb3', + wEte: 'ffffff', + wEtesmoke: 'f5f5f5', + Lw: 'ffff00', + LwgYF: '9acd32' +}; +function unpack() { + const unpacked = {}; + const keys = Object.keys(names$1); + const tkeys = Object.keys(map); + let i, j, k, ok, nk; + for (i = 0; i < keys.length; i++) { + ok = nk = keys[i]; + for (j = 0; j < tkeys.length; j++) { + k = tkeys[j]; + nk = nk.replace(k, map[k]); + } + k = parseInt(names$1[ok], 16); + unpacked[nk] = [k >> 16 & 0xFF, k >> 8 & 0xFF, k & 0xFF]; + } + return unpacked; +} + +let names; +function nameParse(str) { + if (!names) { + names = unpack(); + names.transparent = [0, 0, 0, 0]; + } + const a = names[str.toLowerCase()]; + return a && { + r: a[0], + g: a[1], + b: a[2], + a: a.length === 4 ? a[3] : 255 + }; +} + +const RGB_RE = /^rgba?\(\s*([-+.\d]+)(%)?[\s,]+([-+.e\d]+)(%)?[\s,]+([-+.e\d]+)(%)?(?:[\s,/]+([-+.e\d]+)(%)?)?\s*\)$/; +function rgbParse(str) { + const m = RGB_RE.exec(str); + let a = 255; + let r, g, b; + if (!m) { + return; + } + if (m[7] !== r) { + const v = +m[7]; + a = m[8] ? p2b(v) : lim(v * 255, 0, 255); + } + r = +m[1]; + g = +m[3]; + b = +m[5]; + r = 255 & (m[2] ? p2b(r) : lim(r, 0, 255)); + g = 255 & (m[4] ? p2b(g) : lim(g, 0, 255)); + b = 255 & (m[6] ? p2b(b) : lim(b, 0, 255)); + return { + r: r, + g: g, + b: b, + a: a + }; +} +function rgbString(v) { + return v && ( + v.a < 255 + ? `rgba(${v.r}, ${v.g}, ${v.b}, ${b2n(v.a)})` + : `rgb(${v.r}, ${v.g}, ${v.b})` + ); +} + +const to = v => v <= 0.0031308 ? v * 12.92 : Math.pow(v, 1.0 / 2.4) * 1.055 - 0.055; +const from = v => v <= 0.04045 ? v / 12.92 : Math.pow((v + 0.055) / 1.055, 2.4); +function interpolate(rgb1, rgb2, t) { + const r = from(b2n(rgb1.r)); + const g = from(b2n(rgb1.g)); + const b = from(b2n(rgb1.b)); + return { + r: n2b(to(r + t * (from(b2n(rgb2.r)) - r))), + g: n2b(to(g + t * (from(b2n(rgb2.g)) - g))), + b: n2b(to(b + t * (from(b2n(rgb2.b)) - b))), + a: rgb1.a + t * (rgb2.a - rgb1.a) + }; +} + +function modHSL(v, i, ratio) { + if (v) { + let tmp = rgb2hsl(v); + tmp[i] = Math.max(0, Math.min(tmp[i] + tmp[i] * ratio, i === 0 ? 360 : 1)); + tmp = hsl2rgb(tmp); + v.r = tmp[0]; + v.g = tmp[1]; + v.b = tmp[2]; + } +} +function clone(v, proto) { + return v ? Object.assign(proto || {}, v) : v; +} +function fromObject(input) { + var v = {r: 0, g: 0, b: 0, a: 255}; + if (Array.isArray(input)) { + if (input.length >= 3) { + v = {r: input[0], g: input[1], b: input[2], a: 255}; + if (input.length > 3) { + v.a = n2b(input[3]); + } + } + } else { + v = clone(input, {r: 0, g: 0, b: 0, a: 1}); + v.a = n2b(v.a); + } + return v; +} +function functionParse(str) { + if (str.charAt(0) === 'r') { + return rgbParse(str); + } + return hueParse(str); +} +class Color { + constructor(input) { + if (input instanceof Color) { + return input; + } + const type = typeof input; + let v; + if (type === 'object') { + v = fromObject(input); + } else if (type === 'string') { + v = hexParse(input) || nameParse(input) || functionParse(input); + } + this._rgb = v; + this._valid = !!v; + } + get valid() { + return this._valid; + } + get rgb() { + var v = clone(this._rgb); + if (v) { + v.a = b2n(v.a); + } + return v; + } + set rgb(obj) { + this._rgb = fromObject(obj); + } + rgbString() { + return this._valid ? rgbString(this._rgb) : undefined; + } + hexString() { + return this._valid ? hexString(this._rgb) : undefined; + } + hslString() { + return this._valid ? hslString(this._rgb) : undefined; + } + mix(color, weight) { + if (color) { + const c1 = this.rgb; + const c2 = color.rgb; + let w2; + const p = weight === w2 ? 0.5 : weight; + const w = 2 * p - 1; + const a = c1.a - c2.a; + const w1 = ((w * a === -1 ? w : (w + a) / (1 + w * a)) + 1) / 2.0; + w2 = 1 - w1; + c1.r = 0xFF & w1 * c1.r + w2 * c2.r + 0.5; + c1.g = 0xFF & w1 * c1.g + w2 * c2.g + 0.5; + c1.b = 0xFF & w1 * c1.b + w2 * c2.b + 0.5; + c1.a = p * c1.a + (1 - p) * c2.a; + this.rgb = c1; + } + return this; + } + interpolate(color, t) { + if (color) { + this._rgb = interpolate(this._rgb, color._rgb, t); + } + return this; + } + clone() { + return new Color(this.rgb); + } + alpha(a) { + this._rgb.a = n2b(a); + return this; + } + clearer(ratio) { + const rgb = this._rgb; + rgb.a *= 1 - ratio; + return this; + } + greyscale() { + const rgb = this._rgb; + const val = round(rgb.r * 0.3 + rgb.g * 0.59 + rgb.b * 0.11); + rgb.r = rgb.g = rgb.b = val; + return this; + } + opaquer(ratio) { + const rgb = this._rgb; + rgb.a *= 1 + ratio; + return this; + } + negate() { + const v = this._rgb; + v.r = 255 - v.r; + v.g = 255 - v.g; + v.b = 255 - v.b; + return this; + } + lighten(ratio) { + modHSL(this._rgb, 2, ratio); + return this; + } + darken(ratio) { + modHSL(this._rgb, 2, -ratio); + return this; + } + saturate(ratio) { + modHSL(this._rgb, 1, ratio); + return this; + } + desaturate(ratio) { + modHSL(this._rgb, 1, -ratio); + return this; + } + rotate(deg) { + rotate(this._rgb, deg); + return this; + } +} + +function index_esm(input) { + return new Color(input); +} + +var color = /*#__PURE__*/Object.freeze({ +__proto__: null, +Color: Color, +default: index_esm, +round: round, +lim: lim, +p2b: p2b, +b2p: b2p, +n2b: n2b, +b2n: b2n, +n2p: n2p, +hexParse: hexParse, +hexString: hexString, +rgb2hsl: rgb2hsl, +hsl2rgb: hsl2rgb, +hwb2rgb: hwb2rgb, +hsv2rgb: hsv2rgb, +hueParse: hueParse, +rotate: rotate, +hslString: hslString, +nameParse: nameParse, +rgbParse: rgbParse, +rgbString: rgbString +}); + +var index = Object.assign(index_esm, color); + +return index; + +})); + + +/***/ }), + +/***/ 7866: +/***/ ((__unused_webpack_module, exports, __nccwpck_require__) => { + +"use strict"; +/*! + * Chart.js v4.4.0 + * https://www.chartjs.org + * (c) 2023 Chart.js Contributors + * Released under the MIT License + */ + + +var helpers_segment = __nccwpck_require__(7904); +__nccwpck_require__(8620); + +class Animator { + constructor(){ + this._request = null; + this._charts = new Map(); + this._running = false; + this._lastDate = undefined; + } + _notify(chart, anims, date, type) { + const callbacks = anims.listeners[type]; + const numSteps = anims.duration; + callbacks.forEach((fn)=>fn({ + chart, + initial: anims.initial, + numSteps, + currentStep: Math.min(date - anims.start, numSteps) + })); + } + _refresh() { + if (this._request) { + return; + } + this._running = true; + this._request = helpers_segment.requestAnimFrame.call(window, ()=>{ + this._update(); + this._request = null; + if (this._running) { + this._refresh(); + } + }); + } + _update(date = Date.now()) { + let remaining = 0; + this._charts.forEach((anims, chart)=>{ + if (!anims.running || !anims.items.length) { + return; + } + const items = anims.items; + let i = items.length - 1; + let draw = false; + let item; + for(; i >= 0; --i){ + item = items[i]; + if (item._active) { + if (item._total > anims.duration) { + anims.duration = item._total; + } + item.tick(date); + draw = true; + } else { + items[i] = items[items.length - 1]; + items.pop(); + } + } + if (draw) { + chart.draw(); + this._notify(chart, anims, date, 'progress'); + } + if (!items.length) { + anims.running = false; + this._notify(chart, anims, date, 'complete'); + anims.initial = false; + } + remaining += items.length; + }); + this._lastDate = date; + if (remaining === 0) { + this._running = false; + } + } + _getAnims(chart) { + const charts = this._charts; + let anims = charts.get(chart); + if (!anims) { + anims = { + running: false, + initial: true, + items: [], + listeners: { + complete: [], + progress: [] + } + }; + charts.set(chart, anims); + } + return anims; + } + listen(chart, event, cb) { + this._getAnims(chart).listeners[event].push(cb); + } + add(chart, items) { + if (!items || !items.length) { + return; + } + this._getAnims(chart).items.push(...items); + } + has(chart) { + return this._getAnims(chart).items.length > 0; + } + start(chart) { + const anims = this._charts.get(chart); + if (!anims) { + return; + } + anims.running = true; + anims.start = Date.now(); + anims.duration = anims.items.reduce((acc, cur)=>Math.max(acc, cur._duration), 0); + this._refresh(); + } + running(chart) { + if (!this._running) { + return false; + } + const anims = this._charts.get(chart); + if (!anims || !anims.running || !anims.items.length) { + return false; + } + return true; + } + stop(chart) { + const anims = this._charts.get(chart); + if (!anims || !anims.items.length) { + return; + } + const items = anims.items; + let i = items.length - 1; + for(; i >= 0; --i){ + items[i].cancel(); + } + anims.items = []; + this._notify(chart, anims, Date.now(), 'complete'); + } + remove(chart) { + return this._charts.delete(chart); + } +} +var animator = /* #__PURE__ */ new Animator(); + +const transparent = 'transparent'; +const interpolators = { + boolean (from, to, factor) { + return factor > 0.5 ? to : from; + }, + color (from, to, factor) { + const c0 = helpers_segment.color(from || transparent); + const c1 = c0.valid && helpers_segment.color(to || transparent); + return c1 && c1.valid ? c1.mix(c0, factor).hexString() : to; + }, + number (from, to, factor) { + return from + (to - from) * factor; + } +}; +class Animation { + constructor(cfg, target, prop, to){ + const currentValue = target[prop]; + to = helpers_segment.resolve([ + cfg.to, + to, + currentValue, + cfg.from + ]); + const from = helpers_segment.resolve([ + cfg.from, + currentValue, + to + ]); + this._active = true; + this._fn = cfg.fn || interpolators[cfg.type || typeof from]; + this._easing = helpers_segment.effects[cfg.easing] || helpers_segment.effects.linear; + this._start = Math.floor(Date.now() + (cfg.delay || 0)); + this._duration = this._total = Math.floor(cfg.duration); + this._loop = !!cfg.loop; + this._target = target; + this._prop = prop; + this._from = from; + this._to = to; + this._promises = undefined; + } + active() { + return this._active; + } + update(cfg, to, date) { + if (this._active) { + this._notify(false); + const currentValue = this._target[this._prop]; + const elapsed = date - this._start; + const remain = this._duration - elapsed; + this._start = date; + this._duration = Math.floor(Math.max(remain, cfg.duration)); + this._total += elapsed; + this._loop = !!cfg.loop; + this._to = helpers_segment.resolve([ + cfg.to, + to, + currentValue, + cfg.from + ]); + this._from = helpers_segment.resolve([ + cfg.from, + currentValue, + to + ]); + } + } + cancel() { + if (this._active) { + this.tick(Date.now()); + this._active = false; + this._notify(false); + } + } + tick(date) { + const elapsed = date - this._start; + const duration = this._duration; + const prop = this._prop; + const from = this._from; + const loop = this._loop; + const to = this._to; + let factor; + this._active = from !== to && (loop || elapsed < duration); + if (!this._active) { + this._target[prop] = to; + this._notify(true); + return; + } + if (elapsed < 0) { + this._target[prop] = from; + return; + } + factor = elapsed / duration % 2; + factor = loop && factor > 1 ? 2 - factor : factor; + factor = this._easing(Math.min(1, Math.max(0, factor))); + this._target[prop] = this._fn(from, to, factor); + } + wait() { + const promises = this._promises || (this._promises = []); + return new Promise((res, rej)=>{ + promises.push({ + res, + rej + }); + }); + } + _notify(resolved) { + const method = resolved ? 'res' : 'rej'; + const promises = this._promises || []; + for(let i = 0; i < promises.length; i++){ + promises[i][method](); + } + } +} + +class Animations { + constructor(chart, config){ + this._chart = chart; + this._properties = new Map(); + this.configure(config); + } + configure(config) { + if (!helpers_segment.isObject(config)) { + return; + } + const animationOptions = Object.keys(helpers_segment.defaults.animation); + const animatedProps = this._properties; + Object.getOwnPropertyNames(config).forEach((key)=>{ + const cfg = config[key]; + if (!helpers_segment.isObject(cfg)) { + return; + } + const resolved = {}; + for (const option of animationOptions){ + resolved[option] = cfg[option]; + } + (helpers_segment.isArray(cfg.properties) && cfg.properties || [ + key + ]).forEach((prop)=>{ + if (prop === key || !animatedProps.has(prop)) { + animatedProps.set(prop, resolved); + } + }); + }); + } + _animateOptions(target, values) { + const newOptions = values.options; + const options = resolveTargetOptions(target, newOptions); + if (!options) { + return []; + } + const animations = this._createAnimations(options, newOptions); + if (newOptions.$shared) { + awaitAll(target.options.$animations, newOptions).then(()=>{ + target.options = newOptions; + }, ()=>{ + }); + } + return animations; + } + _createAnimations(target, values) { + const animatedProps = this._properties; + const animations = []; + const running = target.$animations || (target.$animations = {}); + const props = Object.keys(values); + const date = Date.now(); + let i; + for(i = props.length - 1; i >= 0; --i){ + const prop = props[i]; + if (prop.charAt(0) === '$') { + continue; + } + if (prop === 'options') { + animations.push(...this._animateOptions(target, values)); + continue; + } + const value = values[prop]; + let animation = running[prop]; + const cfg = animatedProps.get(prop); + if (animation) { + if (cfg && animation.active()) { + animation.update(cfg, value, date); + continue; + } else { + animation.cancel(); + } + } + if (!cfg || !cfg.duration) { + target[prop] = value; + continue; + } + running[prop] = animation = new Animation(cfg, target, prop, value); + animations.push(animation); + } + return animations; + } + update(target, values) { + if (this._properties.size === 0) { + Object.assign(target, values); + return; + } + const animations = this._createAnimations(target, values); + if (animations.length) { + animator.add(this._chart, animations); + return true; + } + } +} +function awaitAll(animations, properties) { + const running = []; + const keys = Object.keys(properties); + for(let i = 0; i < keys.length; i++){ + const anim = animations[keys[i]]; + if (anim && anim.active()) { + running.push(anim.wait()); + } + } + return Promise.all(running); +} +function resolveTargetOptions(target, newOptions) { + if (!newOptions) { + return; + } + let options = target.options; + if (!options) { + target.options = newOptions; + return; + } + if (options.$shared) { + target.options = options = Object.assign({}, options, { + $shared: false, + $animations: {} + }); + } + return options; +} + +function scaleClip(scale, allowedOverflow) { + const opts = scale && scale.options || {}; + const reverse = opts.reverse; + const min = opts.min === undefined ? allowedOverflow : 0; + const max = opts.max === undefined ? allowedOverflow : 0; + return { + start: reverse ? max : min, + end: reverse ? min : max + }; +} +function defaultClip(xScale, yScale, allowedOverflow) { + if (allowedOverflow === false) { + return false; + } + const x = scaleClip(xScale, allowedOverflow); + const y = scaleClip(yScale, allowedOverflow); + return { + top: y.end, + right: x.end, + bottom: y.start, + left: x.start + }; +} +function toClip(value) { + let t, r, b, l; + if (helpers_segment.isObject(value)) { + t = value.top; + r = value.right; + b = value.bottom; + l = value.left; + } else { + t = r = b = l = value; + } + return { + top: t, + right: r, + bottom: b, + left: l, + disabled: value === false + }; +} +function getSortedDatasetIndices(chart, filterVisible) { + const keys = []; + const metasets = chart._getSortedDatasetMetas(filterVisible); + let i, ilen; + for(i = 0, ilen = metasets.length; i < ilen; ++i){ + keys.push(metasets[i].index); + } + return keys; +} +function applyStack(stack, value, dsIndex, options = {}) { + const keys = stack.keys; + const singleMode = options.mode === 'single'; + let i, ilen, datasetIndex, otherValue; + if (value === null) { + return; + } + for(i = 0, ilen = keys.length; i < ilen; ++i){ + datasetIndex = +keys[i]; + if (datasetIndex === dsIndex) { + if (options.all) { + continue; + } + break; + } + otherValue = stack.values[datasetIndex]; + if (helpers_segment.isNumberFinite(otherValue) && (singleMode || value === 0 || helpers_segment.sign(value) === helpers_segment.sign(otherValue))) { + value += otherValue; + } + } + return value; +} +function convertObjectDataToArray(data) { + const keys = Object.keys(data); + const adata = new Array(keys.length); + let i, ilen, key; + for(i = 0, ilen = keys.length; i < ilen; ++i){ + key = keys[i]; + adata[i] = { + x: key, + y: data[key] + }; + } + return adata; +} +function isStacked(scale, meta) { + const stacked = scale && scale.options.stacked; + return stacked || stacked === undefined && meta.stack !== undefined; +} +function getStackKey(indexScale, valueScale, meta) { + return `${indexScale.id}.${valueScale.id}.${meta.stack || meta.type}`; +} +function getUserBounds(scale) { + const { min , max , minDefined , maxDefined } = scale.getUserBounds(); + return { + min: minDefined ? min : Number.NEGATIVE_INFINITY, + max: maxDefined ? max : Number.POSITIVE_INFINITY + }; +} +function getOrCreateStack(stacks, stackKey, indexValue) { + const subStack = stacks[stackKey] || (stacks[stackKey] = {}); + return subStack[indexValue] || (subStack[indexValue] = {}); +} +function getLastIndexInStack(stack, vScale, positive, type) { + for (const meta of vScale.getMatchingVisibleMetas(type).reverse()){ + const value = stack[meta.index]; + if (positive && value > 0 || !positive && value < 0) { + return meta.index; + } + } + return null; +} +function updateStacks(controller, parsed) { + const { chart , _cachedMeta: meta } = controller; + const stacks = chart._stacks || (chart._stacks = {}); + const { iScale , vScale , index: datasetIndex } = meta; + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const key = getStackKey(iScale, vScale, meta); + const ilen = parsed.length; + let stack; + for(let i = 0; i < ilen; ++i){ + const item = parsed[i]; + const { [iAxis]: index , [vAxis]: value } = item; + const itemStacks = item._stacks || (item._stacks = {}); + stack = itemStacks[vAxis] = getOrCreateStack(stacks, key, index); + stack[datasetIndex] = value; + stack._top = getLastIndexInStack(stack, vScale, true, meta.type); + stack._bottom = getLastIndexInStack(stack, vScale, false, meta.type); + const visualValues = stack._visualValues || (stack._visualValues = {}); + visualValues[datasetIndex] = value; + } +} +function getFirstScaleId(chart, axis) { + const scales = chart.scales; + return Object.keys(scales).filter((key)=>scales[key].axis === axis).shift(); +} +function createDatasetContext(parent, index) { + return helpers_segment.createContext(parent, { + active: false, + dataset: undefined, + datasetIndex: index, + index, + mode: 'default', + type: 'dataset' + }); +} +function createDataContext(parent, index, element) { + return helpers_segment.createContext(parent, { + active: false, + dataIndex: index, + parsed: undefined, + raw: undefined, + element, + index, + mode: 'default', + type: 'data' + }); +} +function clearStacks(meta, items) { + const datasetIndex = meta.controller.index; + const axis = meta.vScale && meta.vScale.axis; + if (!axis) { + return; + } + items = items || meta._parsed; + for (const parsed of items){ + const stacks = parsed._stacks; + if (!stacks || stacks[axis] === undefined || stacks[axis][datasetIndex] === undefined) { + return; + } + delete stacks[axis][datasetIndex]; + if (stacks[axis]._visualValues !== undefined && stacks[axis]._visualValues[datasetIndex] !== undefined) { + delete stacks[axis]._visualValues[datasetIndex]; + } + } +} +const isDirectUpdateMode = (mode)=>mode === 'reset' || mode === 'none'; +const cloneIfNotShared = (cached, shared)=>shared ? cached : Object.assign({}, cached); +const createStack = (canStack, meta, chart)=>canStack && !meta.hidden && meta._stacked && { + keys: getSortedDatasetIndices(chart, true), + values: null + }; +class DatasetController { + static defaults = {}; + static datasetElementType = null; + static dataElementType = null; + constructor(chart, datasetIndex){ + this.chart = chart; + this._ctx = chart.ctx; + this.index = datasetIndex; + this._cachedDataOpts = {}; + this._cachedMeta = this.getMeta(); + this._type = this._cachedMeta.type; + this.options = undefined; + this._parsing = false; + this._data = undefined; + this._objectData = undefined; + this._sharedOptions = undefined; + this._drawStart = undefined; + this._drawCount = undefined; + this.enableOptionSharing = false; + this.supportsDecimation = false; + this.$context = undefined; + this._syncList = []; + this.datasetElementType = new.target.datasetElementType; + this.dataElementType = new.target.dataElementType; + this.initialize(); + } + initialize() { + const meta = this._cachedMeta; + this.configure(); + this.linkScales(); + meta._stacked = isStacked(meta.vScale, meta); + this.addElements(); + if (this.options.fill && !this.chart.isPluginEnabled('filler')) { + console.warn("Tried to use the 'fill' option without the 'Filler' plugin enabled. Please import and register the 'Filler' plugin and make sure it is not disabled in the options"); + } + } + updateIndex(datasetIndex) { + if (this.index !== datasetIndex) { + clearStacks(this._cachedMeta); + } + this.index = datasetIndex; + } + linkScales() { + const chart = this.chart; + const meta = this._cachedMeta; + const dataset = this.getDataset(); + const chooseId = (axis, x, y, r)=>axis === 'x' ? x : axis === 'r' ? r : y; + const xid = meta.xAxisID = helpers_segment.valueOrDefault(dataset.xAxisID, getFirstScaleId(chart, 'x')); + const yid = meta.yAxisID = helpers_segment.valueOrDefault(dataset.yAxisID, getFirstScaleId(chart, 'y')); + const rid = meta.rAxisID = helpers_segment.valueOrDefault(dataset.rAxisID, getFirstScaleId(chart, 'r')); + const indexAxis = meta.indexAxis; + const iid = meta.iAxisID = chooseId(indexAxis, xid, yid, rid); + const vid = meta.vAxisID = chooseId(indexAxis, yid, xid, rid); + meta.xScale = this.getScaleForId(xid); + meta.yScale = this.getScaleForId(yid); + meta.rScale = this.getScaleForId(rid); + meta.iScale = this.getScaleForId(iid); + meta.vScale = this.getScaleForId(vid); + } + getDataset() { + return this.chart.data.datasets[this.index]; + } + getMeta() { + return this.chart.getDatasetMeta(this.index); + } + getScaleForId(scaleID) { + return this.chart.scales[scaleID]; + } + _getOtherScale(scale) { + const meta = this._cachedMeta; + return scale === meta.iScale ? meta.vScale : meta.iScale; + } + reset() { + this._update('reset'); + } + _destroy() { + const meta = this._cachedMeta; + if (this._data) { + helpers_segment.unlistenArrayEvents(this._data, this); + } + if (meta._stacked) { + clearStacks(meta); + } + } + _dataCheck() { + const dataset = this.getDataset(); + const data = dataset.data || (dataset.data = []); + const _data = this._data; + if (helpers_segment.isObject(data)) { + this._data = convertObjectDataToArray(data); + } else if (_data !== data) { + if (_data) { + helpers_segment.unlistenArrayEvents(_data, this); + const meta = this._cachedMeta; + clearStacks(meta); + meta._parsed = []; + } + if (data && Object.isExtensible(data)) { + helpers_segment.listenArrayEvents(data, this); + } + this._syncList = []; + this._data = data; + } + } + addElements() { + const meta = this._cachedMeta; + this._dataCheck(); + if (this.datasetElementType) { + meta.dataset = new this.datasetElementType(); + } + } + buildOrUpdateElements(resetNewElements) { + const meta = this._cachedMeta; + const dataset = this.getDataset(); + let stackChanged = false; + this._dataCheck(); + const oldStacked = meta._stacked; + meta._stacked = isStacked(meta.vScale, meta); + if (meta.stack !== dataset.stack) { + stackChanged = true; + clearStacks(meta); + meta.stack = dataset.stack; + } + this._resyncElements(resetNewElements); + if (stackChanged || oldStacked !== meta._stacked) { + updateStacks(this, meta._parsed); + } + } + configure() { + const config = this.chart.config; + const scopeKeys = config.datasetScopeKeys(this._type); + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys, true); + this.options = config.createResolver(scopes, this.getContext()); + this._parsing = this.options.parsing; + this._cachedDataOpts = {}; + } + parse(start, count) { + const { _cachedMeta: meta , _data: data } = this; + const { iScale , _stacked } = meta; + const iAxis = iScale.axis; + let sorted = start === 0 && count === data.length ? true : meta._sorted; + let prev = start > 0 && meta._parsed[start - 1]; + let i, cur, parsed; + if (this._parsing === false) { + meta._parsed = data; + meta._sorted = true; + parsed = data; + } else { + if (helpers_segment.isArray(data[start])) { + parsed = this.parseArrayData(meta, data, start, count); + } else if (helpers_segment.isObject(data[start])) { + parsed = this.parseObjectData(meta, data, start, count); + } else { + parsed = this.parsePrimitiveData(meta, data, start, count); + } + const isNotInOrderComparedToPrev = ()=>cur[iAxis] === null || prev && cur[iAxis] < prev[iAxis]; + for(i = 0; i < count; ++i){ + meta._parsed[i + start] = cur = parsed[i]; + if (sorted) { + if (isNotInOrderComparedToPrev()) { + sorted = false; + } + prev = cur; + } + } + meta._sorted = sorted; + } + if (_stacked) { + updateStacks(this, parsed); + } + } + parsePrimitiveData(meta, data, start, count) { + const { iScale , vScale } = meta; + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const labels = iScale.getLabels(); + const singleScale = iScale === vScale; + const parsed = new Array(count); + let i, ilen, index; + for(i = 0, ilen = count; i < ilen; ++i){ + index = i + start; + parsed[i] = { + [iAxis]: singleScale || iScale.parse(labels[index], index), + [vAxis]: vScale.parse(data[index], index) + }; + } + return parsed; + } + parseArrayData(meta, data, start, count) { + const { xScale , yScale } = meta; + const parsed = new Array(count); + let i, ilen, index, item; + for(i = 0, ilen = count; i < ilen; ++i){ + index = i + start; + item = data[index]; + parsed[i] = { + x: xScale.parse(item[0], index), + y: yScale.parse(item[1], index) + }; + } + return parsed; + } + parseObjectData(meta, data, start, count) { + const { xScale , yScale } = meta; + const { xAxisKey ='x' , yAxisKey ='y' } = this._parsing; + const parsed = new Array(count); + let i, ilen, index, item; + for(i = 0, ilen = count; i < ilen; ++i){ + index = i + start; + item = data[index]; + parsed[i] = { + x: xScale.parse(helpers_segment.resolveObjectKey(item, xAxisKey), index), + y: yScale.parse(helpers_segment.resolveObjectKey(item, yAxisKey), index) + }; + } + return parsed; + } + getParsed(index) { + return this._cachedMeta._parsed[index]; + } + getDataElement(index) { + return this._cachedMeta.data[index]; + } + applyStack(scale, parsed, mode) { + const chart = this.chart; + const meta = this._cachedMeta; + const value = parsed[scale.axis]; + const stack = { + keys: getSortedDatasetIndices(chart, true), + values: parsed._stacks[scale.axis]._visualValues + }; + return applyStack(stack, value, meta.index, { + mode + }); + } + updateRangeFromParsed(range, scale, parsed, stack) { + const parsedValue = parsed[scale.axis]; + let value = parsedValue === null ? NaN : parsedValue; + const values = stack && parsed._stacks[scale.axis]; + if (stack && values) { + stack.values = values; + value = applyStack(stack, parsedValue, this._cachedMeta.index); + } + range.min = Math.min(range.min, value); + range.max = Math.max(range.max, value); + } + getMinMax(scale, canStack) { + const meta = this._cachedMeta; + const _parsed = meta._parsed; + const sorted = meta._sorted && scale === meta.iScale; + const ilen = _parsed.length; + const otherScale = this._getOtherScale(scale); + const stack = createStack(canStack, meta, this.chart); + const range = { + min: Number.POSITIVE_INFINITY, + max: Number.NEGATIVE_INFINITY + }; + const { min: otherMin , max: otherMax } = getUserBounds(otherScale); + let i, parsed; + function _skip() { + parsed = _parsed[i]; + const otherValue = parsed[otherScale.axis]; + return !helpers_segment.isNumberFinite(parsed[scale.axis]) || otherMin > otherValue || otherMax < otherValue; + } + for(i = 0; i < ilen; ++i){ + if (_skip()) { + continue; + } + this.updateRangeFromParsed(range, scale, parsed, stack); + if (sorted) { + break; + } + } + if (sorted) { + for(i = ilen - 1; i >= 0; --i){ + if (_skip()) { + continue; + } + this.updateRangeFromParsed(range, scale, parsed, stack); + break; + } + } + return range; + } + getAllParsedValues(scale) { + const parsed = this._cachedMeta._parsed; + const values = []; + let i, ilen, value; + for(i = 0, ilen = parsed.length; i < ilen; ++i){ + value = parsed[i][scale.axis]; + if (helpers_segment.isNumberFinite(value)) { + values.push(value); + } + } + return values; + } + getMaxOverflow() { + return false; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const iScale = meta.iScale; + const vScale = meta.vScale; + const parsed = this.getParsed(index); + return { + label: iScale ? '' + iScale.getLabelForValue(parsed[iScale.axis]) : '', + value: vScale ? '' + vScale.getLabelForValue(parsed[vScale.axis]) : '' + }; + } + _update(mode) { + const meta = this._cachedMeta; + this.update(mode || 'default'); + meta._clip = toClip(helpers_segment.valueOrDefault(this.options.clip, defaultClip(meta.xScale, meta.yScale, this.getMaxOverflow()))); + } + update(mode) {} + draw() { + const ctx = this._ctx; + const chart = this.chart; + const meta = this._cachedMeta; + const elements = meta.data || []; + const area = chart.chartArea; + const active = []; + const start = this._drawStart || 0; + const count = this._drawCount || elements.length - start; + const drawActiveElementsOnTop = this.options.drawActiveElementsOnTop; + let i; + if (meta.dataset) { + meta.dataset.draw(ctx, area, start, count); + } + for(i = start; i < start + count; ++i){ + const element = elements[i]; + if (element.hidden) { + continue; + } + if (element.active && drawActiveElementsOnTop) { + active.push(element); + } else { + element.draw(ctx, area); + } + } + for(i = 0; i < active.length; ++i){ + active[i].draw(ctx, area); + } + } + getStyle(index, active) { + const mode = active ? 'active' : 'default'; + return index === undefined && this._cachedMeta.dataset ? this.resolveDatasetElementOptions(mode) : this.resolveDataElementOptions(index || 0, mode); + } + getContext(index, active, mode) { + const dataset = this.getDataset(); + let context; + if (index >= 0 && index < this._cachedMeta.data.length) { + const element = this._cachedMeta.data[index]; + context = element.$context || (element.$context = createDataContext(this.getContext(), index, element)); + context.parsed = this.getParsed(index); + context.raw = dataset.data[index]; + context.index = context.dataIndex = index; + } else { + context = this.$context || (this.$context = createDatasetContext(this.chart.getContext(), this.index)); + context.dataset = dataset; + context.index = context.datasetIndex = this.index; + } + context.active = !!active; + context.mode = mode; + return context; + } + resolveDatasetElementOptions(mode) { + return this._resolveElementOptions(this.datasetElementType.id, mode); + } + resolveDataElementOptions(index, mode) { + return this._resolveElementOptions(this.dataElementType.id, mode, index); + } + _resolveElementOptions(elementType, mode = 'default', index) { + const active = mode === 'active'; + const cache = this._cachedDataOpts; + const cacheKey = elementType + '-' + mode; + const cached = cache[cacheKey]; + const sharing = this.enableOptionSharing && helpers_segment.defined(index); + if (cached) { + return cloneIfNotShared(cached, sharing); + } + const config = this.chart.config; + const scopeKeys = config.datasetElementScopeKeys(this._type, elementType); + const prefixes = active ? [ + `${elementType}Hover`, + 'hover', + elementType, + '' + ] : [ + elementType, + '' + ]; + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys); + const names = Object.keys(helpers_segment.defaults.elements[elementType]); + const context = ()=>this.getContext(index, active, mode); + const values = config.resolveNamedOptions(scopes, names, context, prefixes); + if (values.$shared) { + values.$shared = sharing; + cache[cacheKey] = Object.freeze(cloneIfNotShared(values, sharing)); + } + return values; + } + _resolveAnimations(index, transition, active) { + const chart = this.chart; + const cache = this._cachedDataOpts; + const cacheKey = `animation-${transition}`; + const cached = cache[cacheKey]; + if (cached) { + return cached; + } + let options; + if (chart.options.animation !== false) { + const config = this.chart.config; + const scopeKeys = config.datasetAnimationScopeKeys(this._type, transition); + const scopes = config.getOptionScopes(this.getDataset(), scopeKeys); + options = config.createResolver(scopes, this.getContext(index, active, transition)); + } + const animations = new Animations(chart, options && options.animations); + if (options && options._cacheable) { + cache[cacheKey] = Object.freeze(animations); + } + return animations; + } + getSharedOptions(options) { + if (!options.$shared) { + return; + } + return this._sharedOptions || (this._sharedOptions = Object.assign({}, options)); + } + includeOptions(mode, sharedOptions) { + return !sharedOptions || isDirectUpdateMode(mode) || this.chart._animationsDisabled; + } + _getSharedOptions(start, mode) { + const firstOpts = this.resolveDataElementOptions(start, mode); + const previouslySharedOptions = this._sharedOptions; + const sharedOptions = this.getSharedOptions(firstOpts); + const includeOptions = this.includeOptions(mode, sharedOptions) || sharedOptions !== previouslySharedOptions; + this.updateSharedOptions(sharedOptions, mode, firstOpts); + return { + sharedOptions, + includeOptions + }; + } + updateElement(element, index, properties, mode) { + if (isDirectUpdateMode(mode)) { + Object.assign(element, properties); + } else { + this._resolveAnimations(index, mode).update(element, properties); + } + } + updateSharedOptions(sharedOptions, mode, newOptions) { + if (sharedOptions && !isDirectUpdateMode(mode)) { + this._resolveAnimations(undefined, mode).update(sharedOptions, newOptions); + } + } + _setStyle(element, index, mode, active) { + element.active = active; + const options = this.getStyle(index, active); + this._resolveAnimations(index, mode, active).update(element, { + options: !active && this.getSharedOptions(options) || options + }); + } + removeHoverStyle(element, datasetIndex, index) { + this._setStyle(element, index, 'active', false); + } + setHoverStyle(element, datasetIndex, index) { + this._setStyle(element, index, 'active', true); + } + _removeDatasetHoverStyle() { + const element = this._cachedMeta.dataset; + if (element) { + this._setStyle(element, undefined, 'active', false); + } + } + _setDatasetHoverStyle() { + const element = this._cachedMeta.dataset; + if (element) { + this._setStyle(element, undefined, 'active', true); + } + } + _resyncElements(resetNewElements) { + const data = this._data; + const elements = this._cachedMeta.data; + for (const [method, arg1, arg2] of this._syncList){ + this[method](arg1, arg2); + } + this._syncList = []; + const numMeta = elements.length; + const numData = data.length; + const count = Math.min(numData, numMeta); + if (count) { + this.parse(0, count); + } + if (numData > numMeta) { + this._insertElements(numMeta, numData - numMeta, resetNewElements); + } else if (numData < numMeta) { + this._removeElements(numData, numMeta - numData); + } + } + _insertElements(start, count, resetNewElements = true) { + const meta = this._cachedMeta; + const data = meta.data; + const end = start + count; + let i; + const move = (arr)=>{ + arr.length += count; + for(i = arr.length - 1; i >= end; i--){ + arr[i] = arr[i - count]; + } + }; + move(data); + for(i = start; i < end; ++i){ + data[i] = new this.dataElementType(); + } + if (this._parsing) { + move(meta._parsed); + } + this.parse(start, count); + if (resetNewElements) { + this.updateElements(data, start, count, 'reset'); + } + } + updateElements(element, start, count, mode) {} + _removeElements(start, count) { + const meta = this._cachedMeta; + if (this._parsing) { + const removed = meta._parsed.splice(start, count); + if (meta._stacked) { + clearStacks(meta, removed); + } + } + meta.data.splice(start, count); + } + _sync(args) { + if (this._parsing) { + this._syncList.push(args); + } else { + const [method, arg1, arg2] = args; + this[method](arg1, arg2); + } + this.chart._dataChanges.push([ + this.index, + ...args + ]); + } + _onDataPush() { + const count = arguments.length; + this._sync([ + '_insertElements', + this.getDataset().data.length - count, + count + ]); + } + _onDataPop() { + this._sync([ + '_removeElements', + this._cachedMeta.data.length - 1, + 1 + ]); + } + _onDataShift() { + this._sync([ + '_removeElements', + 0, + 1 + ]); + } + _onDataSplice(start, count) { + if (count) { + this._sync([ + '_removeElements', + start, + count + ]); + } + const newCount = arguments.length - 2; + if (newCount) { + this._sync([ + '_insertElements', + start, + newCount + ]); + } + } + _onDataUnshift() { + this._sync([ + '_insertElements', + 0, + arguments.length + ]); + } +} + +function getAllScaleValues(scale, type) { + if (!scale._cache.$bar) { + const visibleMetas = scale.getMatchingVisibleMetas(type); + let values = []; + for(let i = 0, ilen = visibleMetas.length; i < ilen; i++){ + values = values.concat(visibleMetas[i].controller.getAllParsedValues(scale)); + } + scale._cache.$bar = helpers_segment._arrayUnique(values.sort((a, b)=>a - b)); + } + return scale._cache.$bar; +} + function computeMinSampleSize(meta) { + const scale = meta.iScale; + const values = getAllScaleValues(scale, meta.type); + let min = scale._length; + let i, ilen, curr, prev; + const updateMinAndPrev = ()=>{ + if (curr === 32767 || curr === -32768) { + return; + } + if (helpers_segment.defined(prev)) { + min = Math.min(min, Math.abs(curr - prev) || min); + } + prev = curr; + }; + for(i = 0, ilen = values.length; i < ilen; ++i){ + curr = scale.getPixelForValue(values[i]); + updateMinAndPrev(); + } + prev = undefined; + for(i = 0, ilen = scale.ticks.length; i < ilen; ++i){ + curr = scale.getPixelForTick(i); + updateMinAndPrev(); + } + return min; +} + function computeFitCategoryTraits(index, ruler, options, stackCount) { + const thickness = options.barThickness; + let size, ratio; + if (helpers_segment.isNullOrUndef(thickness)) { + size = ruler.min * options.categoryPercentage; + ratio = options.barPercentage; + } else { + size = thickness * stackCount; + ratio = 1; + } + return { + chunk: size / stackCount, + ratio, + start: ruler.pixels[index] - size / 2 + }; +} + function computeFlexCategoryTraits(index, ruler, options, stackCount) { + const pixels = ruler.pixels; + const curr = pixels[index]; + let prev = index > 0 ? pixels[index - 1] : null; + let next = index < pixels.length - 1 ? pixels[index + 1] : null; + const percent = options.categoryPercentage; + if (prev === null) { + prev = curr - (next === null ? ruler.end - ruler.start : next - curr); + } + if (next === null) { + next = curr + curr - prev; + } + const start = curr - (curr - Math.min(prev, next)) / 2 * percent; + const size = Math.abs(next - prev) / 2 * percent; + return { + chunk: size / stackCount, + ratio: options.barPercentage, + start + }; +} +function parseFloatBar(entry, item, vScale, i) { + const startValue = vScale.parse(entry[0], i); + const endValue = vScale.parse(entry[1], i); + const min = Math.min(startValue, endValue); + const max = Math.max(startValue, endValue); + let barStart = min; + let barEnd = max; + if (Math.abs(min) > Math.abs(max)) { + barStart = max; + barEnd = min; + } + item[vScale.axis] = barEnd; + item._custom = { + barStart, + barEnd, + start: startValue, + end: endValue, + min, + max + }; +} +function parseValue(entry, item, vScale, i) { + if (helpers_segment.isArray(entry)) { + parseFloatBar(entry, item, vScale, i); + } else { + item[vScale.axis] = vScale.parse(entry, i); + } + return item; +} +function parseArrayOrPrimitive(meta, data, start, count) { + const iScale = meta.iScale; + const vScale = meta.vScale; + const labels = iScale.getLabels(); + const singleScale = iScale === vScale; + const parsed = []; + let i, ilen, item, entry; + for(i = start, ilen = start + count; i < ilen; ++i){ + entry = data[i]; + item = {}; + item[iScale.axis] = singleScale || iScale.parse(labels[i], i); + parsed.push(parseValue(entry, item, vScale, i)); + } + return parsed; +} +function isFloatBar(custom) { + return custom && custom.barStart !== undefined && custom.barEnd !== undefined; +} +function barSign(size, vScale, actualBase) { + if (size !== 0) { + return helpers_segment.sign(size); + } + return (vScale.isHorizontal() ? 1 : -1) * (vScale.min >= actualBase ? 1 : -1); +} +function borderProps(properties) { + let reverse, start, end, top, bottom; + if (properties.horizontal) { + reverse = properties.base > properties.x; + start = 'left'; + end = 'right'; + } else { + reverse = properties.base < properties.y; + start = 'bottom'; + end = 'top'; + } + if (reverse) { + top = 'end'; + bottom = 'start'; + } else { + top = 'start'; + bottom = 'end'; + } + return { + start, + end, + reverse, + top, + bottom + }; +} +function setBorderSkipped(properties, options, stack, index) { + let edge = options.borderSkipped; + const res = {}; + if (!edge) { + properties.borderSkipped = res; + return; + } + if (edge === true) { + properties.borderSkipped = { + top: true, + right: true, + bottom: true, + left: true + }; + return; + } + const { start , end , reverse , top , bottom } = borderProps(properties); + if (edge === 'middle' && stack) { + properties.enableBorderRadius = true; + if ((stack._top || 0) === index) { + edge = top; + } else if ((stack._bottom || 0) === index) { + edge = bottom; + } else { + res[parseEdge(bottom, start, end, reverse)] = true; + edge = top; + } + } + res[parseEdge(edge, start, end, reverse)] = true; + properties.borderSkipped = res; +} +function parseEdge(edge, a, b, reverse) { + if (reverse) { + edge = swap(edge, a, b); + edge = startEnd(edge, b, a); + } else { + edge = startEnd(edge, a, b); + } + return edge; +} +function swap(orig, v1, v2) { + return orig === v1 ? v2 : orig === v2 ? v1 : orig; +} +function startEnd(v, start, end) { + return v === 'start' ? start : v === 'end' ? end : v; +} +function setInflateAmount(properties, { inflateAmount }, ratio) { + properties.inflateAmount = inflateAmount === 'auto' ? ratio === 1 ? 0.33 : 0 : inflateAmount; +} +class BarController extends DatasetController { + static id = 'bar'; + static defaults = { + datasetElementType: false, + dataElementType: 'bar', + categoryPercentage: 0.8, + barPercentage: 0.9, + grouped: true, + animations: { + numbers: { + type: 'number', + properties: [ + 'x', + 'y', + 'base', + 'width', + 'height' + ] + } + } + }; + static overrides = { + scales: { + _index_: { + type: 'category', + offset: true, + grid: { + offset: true + } + }, + _value_: { + type: 'linear', + beginAtZero: true + } + } + }; + parsePrimitiveData(meta, data, start, count) { + return parseArrayOrPrimitive(meta, data, start, count); + } + parseArrayData(meta, data, start, count) { + return parseArrayOrPrimitive(meta, data, start, count); + } + parseObjectData(meta, data, start, count) { + const { iScale , vScale } = meta; + const { xAxisKey ='x' , yAxisKey ='y' } = this._parsing; + const iAxisKey = iScale.axis === 'x' ? xAxisKey : yAxisKey; + const vAxisKey = vScale.axis === 'x' ? xAxisKey : yAxisKey; + const parsed = []; + let i, ilen, item, obj; + for(i = start, ilen = start + count; i < ilen; ++i){ + obj = data[i]; + item = {}; + item[iScale.axis] = iScale.parse(helpers_segment.resolveObjectKey(obj, iAxisKey), i); + parsed.push(parseValue(helpers_segment.resolveObjectKey(obj, vAxisKey), item, vScale, i)); + } + return parsed; + } + updateRangeFromParsed(range, scale, parsed, stack) { + super.updateRangeFromParsed(range, scale, parsed, stack); + const custom = parsed._custom; + if (custom && scale === this._cachedMeta.vScale) { + range.min = Math.min(range.min, custom.min); + range.max = Math.max(range.max, custom.max); + } + } + getMaxOverflow() { + return 0; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const { iScale , vScale } = meta; + const parsed = this.getParsed(index); + const custom = parsed._custom; + const value = isFloatBar(custom) ? '[' + custom.start + ', ' + custom.end + ']' : '' + vScale.getLabelForValue(parsed[vScale.axis]); + return { + label: '' + iScale.getLabelForValue(parsed[iScale.axis]), + value + }; + } + initialize() { + this.enableOptionSharing = true; + super.initialize(); + const meta = this._cachedMeta; + meta.stack = this.getDataset().stack; + } + update(mode) { + const meta = this._cachedMeta; + this.updateElements(meta.data, 0, meta.data.length, mode); + } + updateElements(bars, start, count, mode) { + const reset = mode === 'reset'; + const { index , _cachedMeta: { vScale } } = this; + const base = vScale.getBasePixel(); + const horizontal = vScale.isHorizontal(); + const ruler = this._getRuler(); + const { sharedOptions , includeOptions } = this._getSharedOptions(start, mode); + for(let i = start; i < start + count; i++){ + const parsed = this.getParsed(i); + const vpixels = reset || helpers_segment.isNullOrUndef(parsed[vScale.axis]) ? { + base, + head: base + } : this._calculateBarValuePixels(i); + const ipixels = this._calculateBarIndexPixels(i, ruler); + const stack = (parsed._stacks || {})[vScale.axis]; + const properties = { + horizontal, + base: vpixels.base, + enableBorderRadius: !stack || isFloatBar(parsed._custom) || index === stack._top || index === stack._bottom, + x: horizontal ? vpixels.head : ipixels.center, + y: horizontal ? ipixels.center : vpixels.head, + height: horizontal ? ipixels.size : Math.abs(vpixels.size), + width: horizontal ? Math.abs(vpixels.size) : ipixels.size + }; + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, bars[i].active ? 'active' : mode); + } + const options = properties.options || bars[i].options; + setBorderSkipped(properties, options, stack, index); + setInflateAmount(properties, options, ruler.ratio); + this.updateElement(bars[i], i, properties, mode); + } + } + _getStacks(last, dataIndex) { + const { iScale } = this._cachedMeta; + const metasets = iScale.getMatchingVisibleMetas(this._type).filter((meta)=>meta.controller.options.grouped); + const stacked = iScale.options.stacked; + const stacks = []; + const skipNull = (meta)=>{ + const parsed = meta.controller.getParsed(dataIndex); + const val = parsed && parsed[meta.vScale.axis]; + if (helpers_segment.isNullOrUndef(val) || isNaN(val)) { + return true; + } + }; + for (const meta of metasets){ + if (dataIndex !== undefined && skipNull(meta)) { + continue; + } + if (stacked === false || stacks.indexOf(meta.stack) === -1 || stacked === undefined && meta.stack === undefined) { + stacks.push(meta.stack); + } + if (meta.index === last) { + break; + } + } + if (!stacks.length) { + stacks.push(undefined); + } + return stacks; + } + _getStackCount(index) { + return this._getStacks(undefined, index).length; + } + _getStackIndex(datasetIndex, name, dataIndex) { + const stacks = this._getStacks(datasetIndex, dataIndex); + const index = name !== undefined ? stacks.indexOf(name) : -1; + return index === -1 ? stacks.length - 1 : index; + } + _getRuler() { + const opts = this.options; + const meta = this._cachedMeta; + const iScale = meta.iScale; + const pixels = []; + let i, ilen; + for(i = 0, ilen = meta.data.length; i < ilen; ++i){ + pixels.push(iScale.getPixelForValue(this.getParsed(i)[iScale.axis], i)); + } + const barThickness = opts.barThickness; + const min = barThickness || computeMinSampleSize(meta); + return { + min, + pixels, + start: iScale._startPixel, + end: iScale._endPixel, + stackCount: this._getStackCount(), + scale: iScale, + grouped: opts.grouped, + ratio: barThickness ? 1 : opts.categoryPercentage * opts.barPercentage + }; + } + _calculateBarValuePixels(index) { + const { _cachedMeta: { vScale , _stacked , index: datasetIndex } , options: { base: baseValue , minBarLength } } = this; + const actualBase = baseValue || 0; + const parsed = this.getParsed(index); + const custom = parsed._custom; + const floating = isFloatBar(custom); + let value = parsed[vScale.axis]; + let start = 0; + let length = _stacked ? this.applyStack(vScale, parsed, _stacked) : value; + let head, size; + if (length !== value) { + start = length - value; + length = value; + } + if (floating) { + value = custom.barStart; + length = custom.barEnd - custom.barStart; + if (value !== 0 && helpers_segment.sign(value) !== helpers_segment.sign(custom.barEnd)) { + start = 0; + } + start += value; + } + const startValue = !helpers_segment.isNullOrUndef(baseValue) && !floating ? baseValue : start; + let base = vScale.getPixelForValue(startValue); + if (this.chart.getDataVisibility(index)) { + head = vScale.getPixelForValue(start + length); + } else { + head = base; + } + size = head - base; + if (Math.abs(size) < minBarLength) { + size = barSign(size, vScale, actualBase) * minBarLength; + if (value === actualBase) { + base -= size / 2; + } + const startPixel = vScale.getPixelForDecimal(0); + const endPixel = vScale.getPixelForDecimal(1); + const min = Math.min(startPixel, endPixel); + const max = Math.max(startPixel, endPixel); + base = Math.max(Math.min(base, max), min); + head = base + size; + if (_stacked && !floating) { + parsed._stacks[vScale.axis]._visualValues[datasetIndex] = vScale.getValueForPixel(head) - vScale.getValueForPixel(base); + } + } + if (base === vScale.getPixelForValue(actualBase)) { + const halfGrid = helpers_segment.sign(size) * vScale.getLineWidthForValue(actualBase) / 2; + base += halfGrid; + size -= halfGrid; + } + return { + size, + base, + head, + center: head + size / 2 + }; + } + _calculateBarIndexPixels(index, ruler) { + const scale = ruler.scale; + const options = this.options; + const skipNull = options.skipNull; + const maxBarThickness = helpers_segment.valueOrDefault(options.maxBarThickness, Infinity); + let center, size; + if (ruler.grouped) { + const stackCount = skipNull ? this._getStackCount(index) : ruler.stackCount; + const range = options.barThickness === 'flex' ? computeFlexCategoryTraits(index, ruler, options, stackCount) : computeFitCategoryTraits(index, ruler, options, stackCount); + const stackIndex = this._getStackIndex(this.index, this._cachedMeta.stack, skipNull ? index : undefined); + center = range.start + range.chunk * stackIndex + range.chunk / 2; + size = Math.min(maxBarThickness, range.chunk * range.ratio); + } else { + center = scale.getPixelForValue(this.getParsed(index)[scale.axis], index); + size = Math.min(maxBarThickness, ruler.min * ruler.ratio); + } + return { + base: center - size / 2, + head: center + size / 2, + center, + size + }; + } + draw() { + const meta = this._cachedMeta; + const vScale = meta.vScale; + const rects = meta.data; + const ilen = rects.length; + let i = 0; + for(; i < ilen; ++i){ + if (this.getParsed(i)[vScale.axis] !== null) { + rects[i].draw(this._ctx); + } + } + } +} + +class BubbleController extends DatasetController { + static id = 'bubble'; + static defaults = { + datasetElementType: false, + dataElementType: 'point', + animations: { + numbers: { + type: 'number', + properties: [ + 'x', + 'y', + 'borderWidth', + 'radius' + ] + } + } + }; + static overrides = { + scales: { + x: { + type: 'linear' + }, + y: { + type: 'linear' + } + } + }; + initialize() { + this.enableOptionSharing = true; + super.initialize(); + } + parsePrimitiveData(meta, data, start, count) { + const parsed = super.parsePrimitiveData(meta, data, start, count); + for(let i = 0; i < parsed.length; i++){ + parsed[i]._custom = this.resolveDataElementOptions(i + start).radius; + } + return parsed; + } + parseArrayData(meta, data, start, count) { + const parsed = super.parseArrayData(meta, data, start, count); + for(let i = 0; i < parsed.length; i++){ + const item = data[start + i]; + parsed[i]._custom = helpers_segment.valueOrDefault(item[2], this.resolveDataElementOptions(i + start).radius); + } + return parsed; + } + parseObjectData(meta, data, start, count) { + const parsed = super.parseObjectData(meta, data, start, count); + for(let i = 0; i < parsed.length; i++){ + const item = data[start + i]; + parsed[i]._custom = helpers_segment.valueOrDefault(item && item.r && +item.r, this.resolveDataElementOptions(i + start).radius); + } + return parsed; + } + getMaxOverflow() { + const data = this._cachedMeta.data; + let max = 0; + for(let i = data.length - 1; i >= 0; --i){ + max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2); + } + return max > 0 && max; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const labels = this.chart.data.labels || []; + const { xScale , yScale } = meta; + const parsed = this.getParsed(index); + const x = xScale.getLabelForValue(parsed.x); + const y = yScale.getLabelForValue(parsed.y); + const r = parsed._custom; + return { + label: labels[index] || '', + value: '(' + x + ', ' + y + (r ? ', ' + r : '') + ')' + }; + } + update(mode) { + const points = this._cachedMeta.data; + this.updateElements(points, 0, points.length, mode); + } + updateElements(points, start, count, mode) { + const reset = mode === 'reset'; + const { iScale , vScale } = this._cachedMeta; + const { sharedOptions , includeOptions } = this._getSharedOptions(start, mode); + const iAxis = iScale.axis; + const vAxis = vScale.axis; + for(let i = start; i < start + count; i++){ + const point = points[i]; + const parsed = !reset && this.getParsed(i); + const properties = {}; + const iPixel = properties[iAxis] = reset ? iScale.getPixelForDecimal(0.5) : iScale.getPixelForValue(parsed[iAxis]); + const vPixel = properties[vAxis] = reset ? vScale.getBasePixel() : vScale.getPixelForValue(parsed[vAxis]); + properties.skip = isNaN(iPixel) || isNaN(vPixel); + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode); + if (reset) { + properties.options.radius = 0; + } + } + this.updateElement(point, i, properties, mode); + } + } + resolveDataElementOptions(index, mode) { + const parsed = this.getParsed(index); + let values = super.resolveDataElementOptions(index, mode); + if (values.$shared) { + values = Object.assign({}, values, { + $shared: false + }); + } + const radius = values.radius; + if (mode !== 'active') { + values.radius = 0; + } + values.radius += helpers_segment.valueOrDefault(parsed && parsed._custom, radius); + return values; + } +} + +function getRatioAndOffset(rotation, circumference, cutout) { + let ratioX = 1; + let ratioY = 1; + let offsetX = 0; + let offsetY = 0; + if (circumference < helpers_segment.TAU) { + const startAngle = rotation; + const endAngle = startAngle + circumference; + const startX = Math.cos(startAngle); + const startY = Math.sin(startAngle); + const endX = Math.cos(endAngle); + const endY = Math.sin(endAngle); + const calcMax = (angle, a, b)=>helpers_segment._angleBetween(angle, startAngle, endAngle, true) ? 1 : Math.max(a, a * cutout, b, b * cutout); + const calcMin = (angle, a, b)=>helpers_segment._angleBetween(angle, startAngle, endAngle, true) ? -1 : Math.min(a, a * cutout, b, b * cutout); + const maxX = calcMax(0, startX, endX); + const maxY = calcMax(helpers_segment.HALF_PI, startY, endY); + const minX = calcMin(helpers_segment.PI, startX, endX); + const minY = calcMin(helpers_segment.PI + helpers_segment.HALF_PI, startY, endY); + ratioX = (maxX - minX) / 2; + ratioY = (maxY - minY) / 2; + offsetX = -(maxX + minX) / 2; + offsetY = -(maxY + minY) / 2; + } + return { + ratioX, + ratioY, + offsetX, + offsetY + }; +} +class DoughnutController extends DatasetController { + static id = 'doughnut'; + static defaults = { + datasetElementType: false, + dataElementType: 'arc', + animation: { + animateRotate: true, + animateScale: false + }, + animations: { + numbers: { + type: 'number', + properties: [ + 'circumference', + 'endAngle', + 'innerRadius', + 'outerRadius', + 'startAngle', + 'x', + 'y', + 'offset', + 'borderWidth', + 'spacing' + ] + } + }, + cutout: '50%', + rotation: 0, + circumference: 360, + radius: '100%', + spacing: 0, + indexAxis: 'r' + }; + static descriptors = { + _scriptable: (name)=>name !== 'spacing', + _indexable: (name)=>name !== 'spacing' && !name.startsWith('borderDash') && !name.startsWith('hoverBorderDash') + }; + static overrides = { + aspectRatio: 1, + plugins: { + legend: { + labels: { + generateLabels (chart) { + const data = chart.data; + if (data.labels.length && data.datasets.length) { + const { labels: { pointStyle , color } } = chart.legend.options; + return data.labels.map((label, i)=>{ + const meta = chart.getDatasetMeta(0); + const style = meta.controller.getStyle(i); + return { + text: label, + fillStyle: style.backgroundColor, + strokeStyle: style.borderColor, + fontColor: color, + lineWidth: style.borderWidth, + pointStyle: pointStyle, + hidden: !chart.getDataVisibility(i), + index: i + }; + }); + } + return []; + } + }, + onClick (e, legendItem, legend) { + legend.chart.toggleDataVisibility(legendItem.index); + legend.chart.update(); + } + } + } + }; + constructor(chart, datasetIndex){ + super(chart, datasetIndex); + this.enableOptionSharing = true; + this.innerRadius = undefined; + this.outerRadius = undefined; + this.offsetX = undefined; + this.offsetY = undefined; + } + linkScales() {} + parse(start, count) { + const data = this.getDataset().data; + const meta = this._cachedMeta; + if (this._parsing === false) { + meta._parsed = data; + } else { + let getter = (i)=>+data[i]; + if (helpers_segment.isObject(data[start])) { + const { key ='value' } = this._parsing; + getter = (i)=>+helpers_segment.resolveObjectKey(data[i], key); + } + let i, ilen; + for(i = start, ilen = start + count; i < ilen; ++i){ + meta._parsed[i] = getter(i); + } + } + } + _getRotation() { + return helpers_segment.toRadians(this.options.rotation - 90); + } + _getCircumference() { + return helpers_segment.toRadians(this.options.circumference); + } + _getRotationExtents() { + let min = helpers_segment.TAU; + let max = -helpers_segment.TAU; + for(let i = 0; i < this.chart.data.datasets.length; ++i){ + if (this.chart.isDatasetVisible(i) && this.chart.getDatasetMeta(i).type === this._type) { + const controller = this.chart.getDatasetMeta(i).controller; + const rotation = controller._getRotation(); + const circumference = controller._getCircumference(); + min = Math.min(min, rotation); + max = Math.max(max, rotation + circumference); + } + } + return { + rotation: min, + circumference: max - min + }; + } + update(mode) { + const chart = this.chart; + const { chartArea } = chart; + const meta = this._cachedMeta; + const arcs = meta.data; + const spacing = this.getMaxBorderWidth() + this.getMaxOffset(arcs) + this.options.spacing; + const maxSize = Math.max((Math.min(chartArea.width, chartArea.height) - spacing) / 2, 0); + const cutout = Math.min(helpers_segment.toPercentage(this.options.cutout, maxSize), 1); + const chartWeight = this._getRingWeight(this.index); + const { circumference , rotation } = this._getRotationExtents(); + const { ratioX , ratioY , offsetX , offsetY } = getRatioAndOffset(rotation, circumference, cutout); + const maxWidth = (chartArea.width - spacing) / ratioX; + const maxHeight = (chartArea.height - spacing) / ratioY; + const maxRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0); + const outerRadius = helpers_segment.toDimension(this.options.radius, maxRadius); + const innerRadius = Math.max(outerRadius * cutout, 0); + const radiusLength = (outerRadius - innerRadius) / this._getVisibleDatasetWeightTotal(); + this.offsetX = offsetX * outerRadius; + this.offsetY = offsetY * outerRadius; + meta.total = this.calculateTotal(); + this.outerRadius = outerRadius - radiusLength * this._getRingWeightOffset(this.index); + this.innerRadius = Math.max(this.outerRadius - radiusLength * chartWeight, 0); + this.updateElements(arcs, 0, arcs.length, mode); + } + _circumference(i, reset) { + const opts = this.options; + const meta = this._cachedMeta; + const circumference = this._getCircumference(); + if (reset && opts.animation.animateRotate || !this.chart.getDataVisibility(i) || meta._parsed[i] === null || meta.data[i].hidden) { + return 0; + } + return this.calculateCircumference(meta._parsed[i] * circumference / helpers_segment.TAU); + } + updateElements(arcs, start, count, mode) { + const reset = mode === 'reset'; + const chart = this.chart; + const chartArea = chart.chartArea; + const opts = chart.options; + const animationOpts = opts.animation; + const centerX = (chartArea.left + chartArea.right) / 2; + const centerY = (chartArea.top + chartArea.bottom) / 2; + const animateScale = reset && animationOpts.animateScale; + const innerRadius = animateScale ? 0 : this.innerRadius; + const outerRadius = animateScale ? 0 : this.outerRadius; + const { sharedOptions , includeOptions } = this._getSharedOptions(start, mode); + let startAngle = this._getRotation(); + let i; + for(i = 0; i < start; ++i){ + startAngle += this._circumference(i, reset); + } + for(i = start; i < start + count; ++i){ + const circumference = this._circumference(i, reset); + const arc = arcs[i]; + const properties = { + x: centerX + this.offsetX, + y: centerY + this.offsetY, + startAngle, + endAngle: startAngle + circumference, + circumference, + outerRadius, + innerRadius + }; + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, arc.active ? 'active' : mode); + } + startAngle += circumference; + this.updateElement(arc, i, properties, mode); + } + } + calculateTotal() { + const meta = this._cachedMeta; + const metaData = meta.data; + let total = 0; + let i; + for(i = 0; i < metaData.length; i++){ + const value = meta._parsed[i]; + if (value !== null && !isNaN(value) && this.chart.getDataVisibility(i) && !metaData[i].hidden) { + total += Math.abs(value); + } + } + return total; + } + calculateCircumference(value) { + const total = this._cachedMeta.total; + if (total > 0 && !isNaN(value)) { + return helpers_segment.TAU * (Math.abs(value) / total); + } + return 0; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const chart = this.chart; + const labels = chart.data.labels || []; + const value = helpers_segment.formatNumber(meta._parsed[index], chart.options.locale); + return { + label: labels[index] || '', + value + }; + } + getMaxBorderWidth(arcs) { + let max = 0; + const chart = this.chart; + let i, ilen, meta, controller, options; + if (!arcs) { + for(i = 0, ilen = chart.data.datasets.length; i < ilen; ++i){ + if (chart.isDatasetVisible(i)) { + meta = chart.getDatasetMeta(i); + arcs = meta.data; + controller = meta.controller; + break; + } + } + } + if (!arcs) { + return 0; + } + for(i = 0, ilen = arcs.length; i < ilen; ++i){ + options = controller.resolveDataElementOptions(i); + if (options.borderAlign !== 'inner') { + max = Math.max(max, options.borderWidth || 0, options.hoverBorderWidth || 0); + } + } + return max; + } + getMaxOffset(arcs) { + let max = 0; + for(let i = 0, ilen = arcs.length; i < ilen; ++i){ + const options = this.resolveDataElementOptions(i); + max = Math.max(max, options.offset || 0, options.hoverOffset || 0); + } + return max; + } + _getRingWeightOffset(datasetIndex) { + let ringWeightOffset = 0; + for(let i = 0; i < datasetIndex; ++i){ + if (this.chart.isDatasetVisible(i)) { + ringWeightOffset += this._getRingWeight(i); + } + } + return ringWeightOffset; + } + _getRingWeight(datasetIndex) { + return Math.max(helpers_segment.valueOrDefault(this.chart.data.datasets[datasetIndex].weight, 1), 0); + } + _getVisibleDatasetWeightTotal() { + return this._getRingWeightOffset(this.chart.data.datasets.length) || 1; + } +} + +class LineController extends DatasetController { + static id = 'line'; + static defaults = { + datasetElementType: 'line', + dataElementType: 'point', + showLine: true, + spanGaps: false + }; + static overrides = { + scales: { + _index_: { + type: 'category' + }, + _value_: { + type: 'linear' + } + } + }; + initialize() { + this.enableOptionSharing = true; + this.supportsDecimation = true; + super.initialize(); + } + update(mode) { + const meta = this._cachedMeta; + const { dataset: line , data: points = [] , _dataset } = meta; + const animationsDisabled = this.chart._animationsDisabled; + let { start , count } = helpers_segment._getStartAndCountOfVisiblePoints(meta, points, animationsDisabled); + this._drawStart = start; + this._drawCount = count; + if (helpers_segment._scaleRangesChanged(meta)) { + start = 0; + count = points.length; + } + line._chart = this.chart; + line._datasetIndex = this.index; + line._decimated = !!_dataset._decimated; + line.points = points; + const options = this.resolveDatasetElementOptions(mode); + if (!this.options.showLine) { + options.borderWidth = 0; + } + options.segment = this.options.segment; + this.updateElement(line, undefined, { + animated: !animationsDisabled, + options + }, mode); + this.updateElements(points, start, count, mode); + } + updateElements(points, start, count, mode) { + const reset = mode === 'reset'; + const { iScale , vScale , _stacked , _dataset } = this._cachedMeta; + const { sharedOptions , includeOptions } = this._getSharedOptions(start, mode); + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const { spanGaps , segment } = this.options; + const maxGapLength = helpers_segment.isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY; + const directUpdate = this.chart._animationsDisabled || reset || mode === 'none'; + const end = start + count; + const pointsCount = points.length; + let prevParsed = start > 0 && this.getParsed(start - 1); + for(let i = 0; i < pointsCount; ++i){ + const point = points[i]; + const properties = directUpdate ? point : {}; + if (i < start || i >= end) { + properties.skip = true; + continue; + } + const parsed = this.getParsed(i); + const nullData = helpers_segment.isNullOrUndef(parsed[vAxis]); + const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i); + const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i); + properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData; + properties.stop = i > 0 && Math.abs(parsed[iAxis] - prevParsed[iAxis]) > maxGapLength; + if (segment) { + properties.parsed = parsed; + properties.raw = _dataset.data[i]; + } + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode); + } + if (!directUpdate) { + this.updateElement(point, i, properties, mode); + } + prevParsed = parsed; + } + } + getMaxOverflow() { + const meta = this._cachedMeta; + const dataset = meta.dataset; + const border = dataset.options && dataset.options.borderWidth || 0; + const data = meta.data || []; + if (!data.length) { + return border; + } + const firstPoint = data[0].size(this.resolveDataElementOptions(0)); + const lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1)); + return Math.max(border, firstPoint, lastPoint) / 2; + } + draw() { + const meta = this._cachedMeta; + meta.dataset.updateControlPoints(this.chart.chartArea, meta.iScale.axis); + super.draw(); + } +} + +class PolarAreaController extends DatasetController { + static id = 'polarArea'; + static defaults = { + dataElementType: 'arc', + animation: { + animateRotate: true, + animateScale: true + }, + animations: { + numbers: { + type: 'number', + properties: [ + 'x', + 'y', + 'startAngle', + 'endAngle', + 'innerRadius', + 'outerRadius' + ] + } + }, + indexAxis: 'r', + startAngle: 0 + }; + static overrides = { + aspectRatio: 1, + plugins: { + legend: { + labels: { + generateLabels (chart) { + const data = chart.data; + if (data.labels.length && data.datasets.length) { + const { labels: { pointStyle , color } } = chart.legend.options; + return data.labels.map((label, i)=>{ + const meta = chart.getDatasetMeta(0); + const style = meta.controller.getStyle(i); + return { + text: label, + fillStyle: style.backgroundColor, + strokeStyle: style.borderColor, + fontColor: color, + lineWidth: style.borderWidth, + pointStyle: pointStyle, + hidden: !chart.getDataVisibility(i), + index: i + }; + }); + } + return []; + } + }, + onClick (e, legendItem, legend) { + legend.chart.toggleDataVisibility(legendItem.index); + legend.chart.update(); + } + } + }, + scales: { + r: { + type: 'radialLinear', + angleLines: { + display: false + }, + beginAtZero: true, + grid: { + circular: true + }, + pointLabels: { + display: false + }, + startAngle: 0 + } + } + }; + constructor(chart, datasetIndex){ + super(chart, datasetIndex); + this.innerRadius = undefined; + this.outerRadius = undefined; + } + getLabelAndValue(index) { + const meta = this._cachedMeta; + const chart = this.chart; + const labels = chart.data.labels || []; + const value = helpers_segment.formatNumber(meta._parsed[index].r, chart.options.locale); + return { + label: labels[index] || '', + value + }; + } + parseObjectData(meta, data, start, count) { + return helpers_segment._parseObjectDataRadialScale.bind(this)(meta, data, start, count); + } + update(mode) { + const arcs = this._cachedMeta.data; + this._updateRadius(); + this.updateElements(arcs, 0, arcs.length, mode); + } + getMinMax() { + const meta = this._cachedMeta; + const range = { + min: Number.POSITIVE_INFINITY, + max: Number.NEGATIVE_INFINITY + }; + meta.data.forEach((element, index)=>{ + const parsed = this.getParsed(index).r; + if (!isNaN(parsed) && this.chart.getDataVisibility(index)) { + if (parsed < range.min) { + range.min = parsed; + } + if (parsed > range.max) { + range.max = parsed; + } + } + }); + return range; + } + _updateRadius() { + const chart = this.chart; + const chartArea = chart.chartArea; + const opts = chart.options; + const minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); + const outerRadius = Math.max(minSize / 2, 0); + const innerRadius = Math.max(opts.cutoutPercentage ? outerRadius / 100 * opts.cutoutPercentage : 1, 0); + const radiusLength = (outerRadius - innerRadius) / chart.getVisibleDatasetCount(); + this.outerRadius = outerRadius - radiusLength * this.index; + this.innerRadius = this.outerRadius - radiusLength; + } + updateElements(arcs, start, count, mode) { + const reset = mode === 'reset'; + const chart = this.chart; + const opts = chart.options; + const animationOpts = opts.animation; + const scale = this._cachedMeta.rScale; + const centerX = scale.xCenter; + const centerY = scale.yCenter; + const datasetStartAngle = scale.getIndexAngle(0) - 0.5 * helpers_segment.PI; + let angle = datasetStartAngle; + let i; + const defaultAngle = 360 / this.countVisibleElements(); + for(i = 0; i < start; ++i){ + angle += this._computeAngle(i, mode, defaultAngle); + } + for(i = start; i < start + count; i++){ + const arc = arcs[i]; + let startAngle = angle; + let endAngle = angle + this._computeAngle(i, mode, defaultAngle); + let outerRadius = chart.getDataVisibility(i) ? scale.getDistanceFromCenterForValue(this.getParsed(i).r) : 0; + angle = endAngle; + if (reset) { + if (animationOpts.animateScale) { + outerRadius = 0; + } + if (animationOpts.animateRotate) { + startAngle = endAngle = datasetStartAngle; + } + } + const properties = { + x: centerX, + y: centerY, + innerRadius: 0, + outerRadius, + startAngle, + endAngle, + options: this.resolveDataElementOptions(i, arc.active ? 'active' : mode) + }; + this.updateElement(arc, i, properties, mode); + } + } + countVisibleElements() { + const meta = this._cachedMeta; + let count = 0; + meta.data.forEach((element, index)=>{ + if (!isNaN(this.getParsed(index).r) && this.chart.getDataVisibility(index)) { + count++; + } + }); + return count; + } + _computeAngle(index, mode, defaultAngle) { + return this.chart.getDataVisibility(index) ? helpers_segment.toRadians(this.resolveDataElementOptions(index, mode).angle || defaultAngle) : 0; + } +} + +class PieController extends DoughnutController { + static id = 'pie'; + static defaults = { + cutout: 0, + rotation: 0, + circumference: 360, + radius: '100%' + }; +} + +class RadarController extends DatasetController { + static id = 'radar'; + static defaults = { + datasetElementType: 'line', + dataElementType: 'point', + indexAxis: 'r', + showLine: true, + elements: { + line: { + fill: 'start' + } + } + }; + static overrides = { + aspectRatio: 1, + scales: { + r: { + type: 'radialLinear' + } + } + }; + getLabelAndValue(index) { + const vScale = this._cachedMeta.vScale; + const parsed = this.getParsed(index); + return { + label: vScale.getLabels()[index], + value: '' + vScale.getLabelForValue(parsed[vScale.axis]) + }; + } + parseObjectData(meta, data, start, count) { + return helpers_segment._parseObjectDataRadialScale.bind(this)(meta, data, start, count); + } + update(mode) { + const meta = this._cachedMeta; + const line = meta.dataset; + const points = meta.data || []; + const labels = meta.iScale.getLabels(); + line.points = points; + if (mode !== 'resize') { + const options = this.resolveDatasetElementOptions(mode); + if (!this.options.showLine) { + options.borderWidth = 0; + } + const properties = { + _loop: true, + _fullLoop: labels.length === points.length, + options + }; + this.updateElement(line, undefined, properties, mode); + } + this.updateElements(points, 0, points.length, mode); + } + updateElements(points, start, count, mode) { + const scale = this._cachedMeta.rScale; + const reset = mode === 'reset'; + for(let i = start; i < start + count; i++){ + const point = points[i]; + const options = this.resolveDataElementOptions(i, point.active ? 'active' : mode); + const pointPosition = scale.getPointPositionForValue(i, this.getParsed(i).r); + const x = reset ? scale.xCenter : pointPosition.x; + const y = reset ? scale.yCenter : pointPosition.y; + const properties = { + x, + y, + angle: pointPosition.angle, + skip: isNaN(x) || isNaN(y), + options + }; + this.updateElement(point, i, properties, mode); + } + } +} + +class ScatterController extends DatasetController { + static id = 'scatter'; + static defaults = { + datasetElementType: false, + dataElementType: 'point', + showLine: false, + fill: false + }; + static overrides = { + interaction: { + mode: 'point' + }, + scales: { + x: { + type: 'linear' + }, + y: { + type: 'linear' + } + } + }; + getLabelAndValue(index) { + const meta = this._cachedMeta; + const labels = this.chart.data.labels || []; + const { xScale , yScale } = meta; + const parsed = this.getParsed(index); + const x = xScale.getLabelForValue(parsed.x); + const y = yScale.getLabelForValue(parsed.y); + return { + label: labels[index] || '', + value: '(' + x + ', ' + y + ')' + }; + } + update(mode) { + const meta = this._cachedMeta; + const { data: points = [] } = meta; + const animationsDisabled = this.chart._animationsDisabled; + let { start , count } = helpers_segment._getStartAndCountOfVisiblePoints(meta, points, animationsDisabled); + this._drawStart = start; + this._drawCount = count; + if (helpers_segment._scaleRangesChanged(meta)) { + start = 0; + count = points.length; + } + if (this.options.showLine) { + if (!this.datasetElementType) { + this.addElements(); + } + const { dataset: line , _dataset } = meta; + line._chart = this.chart; + line._datasetIndex = this.index; + line._decimated = !!_dataset._decimated; + line.points = points; + const options = this.resolveDatasetElementOptions(mode); + options.segment = this.options.segment; + this.updateElement(line, undefined, { + animated: !animationsDisabled, + options + }, mode); + } else if (this.datasetElementType) { + delete meta.dataset; + this.datasetElementType = false; + } + this.updateElements(points, start, count, mode); + } + addElements() { + const { showLine } = this.options; + if (!this.datasetElementType && showLine) { + this.datasetElementType = this.chart.registry.getElement('line'); + } + super.addElements(); + } + updateElements(points, start, count, mode) { + const reset = mode === 'reset'; + const { iScale , vScale , _stacked , _dataset } = this._cachedMeta; + const firstOpts = this.resolveDataElementOptions(start, mode); + const sharedOptions = this.getSharedOptions(firstOpts); + const includeOptions = this.includeOptions(mode, sharedOptions); + const iAxis = iScale.axis; + const vAxis = vScale.axis; + const { spanGaps , segment } = this.options; + const maxGapLength = helpers_segment.isNumber(spanGaps) ? spanGaps : Number.POSITIVE_INFINITY; + const directUpdate = this.chart._animationsDisabled || reset || mode === 'none'; + let prevParsed = start > 0 && this.getParsed(start - 1); + for(let i = start; i < start + count; ++i){ + const point = points[i]; + const parsed = this.getParsed(i); + const properties = directUpdate ? point : {}; + const nullData = helpers_segment.isNullOrUndef(parsed[vAxis]); + const iPixel = properties[iAxis] = iScale.getPixelForValue(parsed[iAxis], i); + const vPixel = properties[vAxis] = reset || nullData ? vScale.getBasePixel() : vScale.getPixelForValue(_stacked ? this.applyStack(vScale, parsed, _stacked) : parsed[vAxis], i); + properties.skip = isNaN(iPixel) || isNaN(vPixel) || nullData; + properties.stop = i > 0 && Math.abs(parsed[iAxis] - prevParsed[iAxis]) > maxGapLength; + if (segment) { + properties.parsed = parsed; + properties.raw = _dataset.data[i]; + } + if (includeOptions) { + properties.options = sharedOptions || this.resolveDataElementOptions(i, point.active ? 'active' : mode); + } + if (!directUpdate) { + this.updateElement(point, i, properties, mode); + } + prevParsed = parsed; + } + this.updateSharedOptions(sharedOptions, mode, firstOpts); + } + getMaxOverflow() { + const meta = this._cachedMeta; + const data = meta.data || []; + if (!this.options.showLine) { + let max = 0; + for(let i = data.length - 1; i >= 0; --i){ + max = Math.max(max, data[i].size(this.resolveDataElementOptions(i)) / 2); + } + return max > 0 && max; + } + const dataset = meta.dataset; + const border = dataset.options && dataset.options.borderWidth || 0; + if (!data.length) { + return border; + } + const firstPoint = data[0].size(this.resolveDataElementOptions(0)); + const lastPoint = data[data.length - 1].size(this.resolveDataElementOptions(data.length - 1)); + return Math.max(border, firstPoint, lastPoint) / 2; + } +} + +var controllers = /*#__PURE__*/Object.freeze({ +__proto__: null, +BarController: BarController, +BubbleController: BubbleController, +DoughnutController: DoughnutController, +LineController: LineController, +PieController: PieController, +PolarAreaController: PolarAreaController, +RadarController: RadarController, +ScatterController: ScatterController +}); + +/** + * @namespace Chart._adapters + * @since 2.8.0 + * @private + */ function abstract() { + throw new Error('This method is not implemented: Check that a complete date adapter is provided.'); +} +/** + * Date adapter (current used by the time scale) + * @namespace Chart._adapters._date + * @memberof Chart._adapters + * @private + */ class DateAdapterBase { + /** + * Override default date adapter methods. + * Accepts type parameter to define options type. + * @example + * Chart._adapters._date.override<{myAdapterOption: string}>({ + * init() { + * console.log(this.options.myAdapterOption); + * } + * }) + */ static override(members) { + Object.assign(DateAdapterBase.prototype, members); + } + options; + constructor(options){ + this.options = options || {}; + } + // eslint-disable-next-line @typescript-eslint/no-empty-function + init() {} + formats() { + return abstract(); + } + parse() { + return abstract(); + } + format() { + return abstract(); + } + add() { + return abstract(); + } + diff() { + return abstract(); + } + startOf() { + return abstract(); + } + endOf() { + return abstract(); + } +} +var adapters = { + _date: DateAdapterBase +}; + +function binarySearch(metaset, axis, value, intersect) { + const { controller , data , _sorted } = metaset; + const iScale = controller._cachedMeta.iScale; + if (iScale && axis === iScale.axis && axis !== 'r' && _sorted && data.length) { + const lookupMethod = iScale._reversePixels ? helpers_segment._rlookupByKey : helpers_segment._lookupByKey; + if (!intersect) { + return lookupMethod(data, axis, value); + } else if (controller._sharedOptions) { + const el = data[0]; + const range = typeof el.getRange === 'function' && el.getRange(axis); + if (range) { + const start = lookupMethod(data, axis, value - range); + const end = lookupMethod(data, axis, value + range); + return { + lo: start.lo, + hi: end.hi + }; + } + } + } + return { + lo: 0, + hi: data.length - 1 + }; +} + function evaluateInteractionItems(chart, axis, position, handler, intersect) { + const metasets = chart.getSortedVisibleDatasetMetas(); + const value = position[axis]; + for(let i = 0, ilen = metasets.length; i < ilen; ++i){ + const { index , data } = metasets[i]; + const { lo , hi } = binarySearch(metasets[i], axis, value, intersect); + for(let j = lo; j <= hi; ++j){ + const element = data[j]; + if (!element.skip) { + handler(element, index, j); + } + } + } +} + function getDistanceMetricForAxis(axis) { + const useX = axis.indexOf('x') !== -1; + const useY = axis.indexOf('y') !== -1; + return function(pt1, pt2) { + const deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; + const deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; + return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); + }; +} + function getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) { + const items = []; + if (!includeInvisible && !chart.isPointInArea(position)) { + return items; + } + const evaluationFunc = function(element, datasetIndex, index) { + if (!includeInvisible && !helpers_segment._isPointInArea(element, chart.chartArea, 0)) { + return; + } + if (element.inRange(position.x, position.y, useFinalPosition)) { + items.push({ + element, + datasetIndex, + index + }); + } + }; + evaluateInteractionItems(chart, axis, position, evaluationFunc, true); + return items; +} + function getNearestRadialItems(chart, position, axis, useFinalPosition) { + let items = []; + function evaluationFunc(element, datasetIndex, index) { + const { startAngle , endAngle } = element.getProps([ + 'startAngle', + 'endAngle' + ], useFinalPosition); + const { angle } = helpers_segment.getAngleFromPoint(element, { + x: position.x, + y: position.y + }); + if (helpers_segment._angleBetween(angle, startAngle, endAngle)) { + items.push({ + element, + datasetIndex, + index + }); + } + } + evaluateInteractionItems(chart, axis, position, evaluationFunc); + return items; +} + function getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition, includeInvisible) { + let items = []; + const distanceMetric = getDistanceMetricForAxis(axis); + let minDistance = Number.POSITIVE_INFINITY; + function evaluationFunc(element, datasetIndex, index) { + const inRange = element.inRange(position.x, position.y, useFinalPosition); + if (intersect && !inRange) { + return; + } + const center = element.getCenterPoint(useFinalPosition); + const pointInArea = !!includeInvisible || chart.isPointInArea(center); + if (!pointInArea && !inRange) { + return; + } + const distance = distanceMetric(position, center); + if (distance < minDistance) { + items = [ + { + element, + datasetIndex, + index + } + ]; + minDistance = distance; + } else if (distance === minDistance) { + items.push({ + element, + datasetIndex, + index + }); + } + } + evaluateInteractionItems(chart, axis, position, evaluationFunc); + return items; +} + function getNearestItems(chart, position, axis, intersect, useFinalPosition, includeInvisible) { + if (!includeInvisible && !chart.isPointInArea(position)) { + return []; + } + return axis === 'r' && !intersect ? getNearestRadialItems(chart, position, axis, useFinalPosition) : getNearestCartesianItems(chart, position, axis, intersect, useFinalPosition, includeInvisible); +} + function getAxisItems(chart, position, axis, intersect, useFinalPosition) { + const items = []; + const rangeMethod = axis === 'x' ? 'inXRange' : 'inYRange'; + let intersectsItem = false; + evaluateInteractionItems(chart, axis, position, (element, datasetIndex, index)=>{ + if (element[rangeMethod](position[axis], useFinalPosition)) { + items.push({ + element, + datasetIndex, + index + }); + intersectsItem = intersectsItem || element.inRange(position.x, position.y, useFinalPosition); + } + }); + if (intersect && !intersectsItem) { + return []; + } + return items; +} + var Interaction = { + evaluateInteractionItems, + modes: { + index (chart, e, options, useFinalPosition) { + const position = helpers_segment.getRelativePosition(e, chart); + const axis = options.axis || 'x'; + const includeInvisible = options.includeInvisible || false; + const items = options.intersect ? getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) : getNearestItems(chart, position, axis, false, useFinalPosition, includeInvisible); + const elements = []; + if (!items.length) { + return []; + } + chart.getSortedVisibleDatasetMetas().forEach((meta)=>{ + const index = items[0].index; + const element = meta.data[index]; + if (element && !element.skip) { + elements.push({ + element, + datasetIndex: meta.index, + index + }); + } + }); + return elements; + }, + dataset (chart, e, options, useFinalPosition) { + const position = helpers_segment.getRelativePosition(e, chart); + const axis = options.axis || 'xy'; + const includeInvisible = options.includeInvisible || false; + let items = options.intersect ? getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible) : getNearestItems(chart, position, axis, false, useFinalPosition, includeInvisible); + if (items.length > 0) { + const datasetIndex = items[0].datasetIndex; + const data = chart.getDatasetMeta(datasetIndex).data; + items = []; + for(let i = 0; i < data.length; ++i){ + items.push({ + element: data[i], + datasetIndex, + index: i + }); + } + } + return items; + }, + point (chart, e, options, useFinalPosition) { + const position = helpers_segment.getRelativePosition(e, chart); + const axis = options.axis || 'xy'; + const includeInvisible = options.includeInvisible || false; + return getIntersectItems(chart, position, axis, useFinalPosition, includeInvisible); + }, + nearest (chart, e, options, useFinalPosition) { + const position = helpers_segment.getRelativePosition(e, chart); + const axis = options.axis || 'xy'; + const includeInvisible = options.includeInvisible || false; + return getNearestItems(chart, position, axis, options.intersect, useFinalPosition, includeInvisible); + }, + x (chart, e, options, useFinalPosition) { + const position = helpers_segment.getRelativePosition(e, chart); + return getAxisItems(chart, position, 'x', options.intersect, useFinalPosition); + }, + y (chart, e, options, useFinalPosition) { + const position = helpers_segment.getRelativePosition(e, chart); + return getAxisItems(chart, position, 'y', options.intersect, useFinalPosition); + } + } +}; + +const STATIC_POSITIONS = [ + 'left', + 'top', + 'right', + 'bottom' +]; +function filterByPosition(array, position) { + return array.filter((v)=>v.pos === position); +} +function filterDynamicPositionByAxis(array, axis) { + return array.filter((v)=>STATIC_POSITIONS.indexOf(v.pos) === -1 && v.box.axis === axis); +} +function sortByWeight(array, reverse) { + return array.sort((a, b)=>{ + const v0 = reverse ? b : a; + const v1 = reverse ? a : b; + return v0.weight === v1.weight ? v0.index - v1.index : v0.weight - v1.weight; + }); +} +function wrapBoxes(boxes) { + const layoutBoxes = []; + let i, ilen, box, pos, stack, stackWeight; + for(i = 0, ilen = (boxes || []).length; i < ilen; ++i){ + box = boxes[i]; + ({ position: pos , options: { stack , stackWeight =1 } } = box); + layoutBoxes.push({ + index: i, + box, + pos, + horizontal: box.isHorizontal(), + weight: box.weight, + stack: stack && pos + stack, + stackWeight + }); + } + return layoutBoxes; +} +function buildStacks(layouts) { + const stacks = {}; + for (const wrap of layouts){ + const { stack , pos , stackWeight } = wrap; + if (!stack || !STATIC_POSITIONS.includes(pos)) { + continue; + } + const _stack = stacks[stack] || (stacks[stack] = { + count: 0, + placed: 0, + weight: 0, + size: 0 + }); + _stack.count++; + _stack.weight += stackWeight; + } + return stacks; +} + function setLayoutDims(layouts, params) { + const stacks = buildStacks(layouts); + const { vBoxMaxWidth , hBoxMaxHeight } = params; + let i, ilen, layout; + for(i = 0, ilen = layouts.length; i < ilen; ++i){ + layout = layouts[i]; + const { fullSize } = layout.box; + const stack = stacks[layout.stack]; + const factor = stack && layout.stackWeight / stack.weight; + if (layout.horizontal) { + layout.width = factor ? factor * vBoxMaxWidth : fullSize && params.availableWidth; + layout.height = hBoxMaxHeight; + } else { + layout.width = vBoxMaxWidth; + layout.height = factor ? factor * hBoxMaxHeight : fullSize && params.availableHeight; + } + } + return stacks; +} +function buildLayoutBoxes(boxes) { + const layoutBoxes = wrapBoxes(boxes); + const fullSize = sortByWeight(layoutBoxes.filter((wrap)=>wrap.box.fullSize), true); + const left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true); + const right = sortByWeight(filterByPosition(layoutBoxes, 'right')); + const top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true); + const bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom')); + const centerHorizontal = filterDynamicPositionByAxis(layoutBoxes, 'x'); + const centerVertical = filterDynamicPositionByAxis(layoutBoxes, 'y'); + return { + fullSize, + leftAndTop: left.concat(top), + rightAndBottom: right.concat(centerVertical).concat(bottom).concat(centerHorizontal), + chartArea: filterByPosition(layoutBoxes, 'chartArea'), + vertical: left.concat(right).concat(centerVertical), + horizontal: top.concat(bottom).concat(centerHorizontal) + }; +} +function getCombinedMax(maxPadding, chartArea, a, b) { + return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]); +} +function updateMaxPadding(maxPadding, boxPadding) { + maxPadding.top = Math.max(maxPadding.top, boxPadding.top); + maxPadding.left = Math.max(maxPadding.left, boxPadding.left); + maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom); + maxPadding.right = Math.max(maxPadding.right, boxPadding.right); +} +function updateDims(chartArea, params, layout, stacks) { + const { pos , box } = layout; + const maxPadding = chartArea.maxPadding; + if (!helpers_segment.isObject(pos)) { + if (layout.size) { + chartArea[pos] -= layout.size; + } + const stack = stacks[layout.stack] || { + size: 0, + count: 1 + }; + stack.size = Math.max(stack.size, layout.horizontal ? box.height : box.width); + layout.size = stack.size / stack.count; + chartArea[pos] += layout.size; + } + if (box.getPadding) { + updateMaxPadding(maxPadding, box.getPadding()); + } + const newWidth = Math.max(0, params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right')); + const newHeight = Math.max(0, params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom')); + const widthChanged = newWidth !== chartArea.w; + const heightChanged = newHeight !== chartArea.h; + chartArea.w = newWidth; + chartArea.h = newHeight; + return layout.horizontal ? { + same: widthChanged, + other: heightChanged + } : { + same: heightChanged, + other: widthChanged + }; +} +function handleMaxPadding(chartArea) { + const maxPadding = chartArea.maxPadding; + function updatePos(pos) { + const change = Math.max(maxPadding[pos] - chartArea[pos], 0); + chartArea[pos] += change; + return change; + } + chartArea.y += updatePos('top'); + chartArea.x += updatePos('left'); + updatePos('right'); + updatePos('bottom'); +} +function getMargins(horizontal, chartArea) { + const maxPadding = chartArea.maxPadding; + function marginForPositions(positions) { + const margin = { + left: 0, + top: 0, + right: 0, + bottom: 0 + }; + positions.forEach((pos)=>{ + margin[pos] = Math.max(chartArea[pos], maxPadding[pos]); + }); + return margin; + } + return horizontal ? marginForPositions([ + 'left', + 'right' + ]) : marginForPositions([ + 'top', + 'bottom' + ]); +} +function fitBoxes(boxes, chartArea, params, stacks) { + const refitBoxes = []; + let i, ilen, layout, box, refit, changed; + for(i = 0, ilen = boxes.length, refit = 0; i < ilen; ++i){ + layout = boxes[i]; + box = layout.box; + box.update(layout.width || chartArea.w, layout.height || chartArea.h, getMargins(layout.horizontal, chartArea)); + const { same , other } = updateDims(chartArea, params, layout, stacks); + refit |= same && refitBoxes.length; + changed = changed || other; + if (!box.fullSize) { + refitBoxes.push(layout); + } + } + return refit && fitBoxes(refitBoxes, chartArea, params, stacks) || changed; +} +function setBoxDims(box, left, top, width, height) { + box.top = top; + box.left = left; + box.right = left + width; + box.bottom = top + height; + box.width = width; + box.height = height; +} +function placeBoxes(boxes, chartArea, params, stacks) { + const userPadding = params.padding; + let { x , y } = chartArea; + for (const layout of boxes){ + const box = layout.box; + const stack = stacks[layout.stack] || { + count: 1, + placed: 0, + weight: 1 + }; + const weight = layout.stackWeight / stack.weight || 1; + if (layout.horizontal) { + const width = chartArea.w * weight; + const height = stack.size || box.height; + if (helpers_segment.defined(stack.start)) { + y = stack.start; + } + if (box.fullSize) { + setBoxDims(box, userPadding.left, y, params.outerWidth - userPadding.right - userPadding.left, height); + } else { + setBoxDims(box, chartArea.left + stack.placed, y, width, height); + } + stack.start = y; + stack.placed += width; + y = box.bottom; + } else { + const height = chartArea.h * weight; + const width = stack.size || box.width; + if (helpers_segment.defined(stack.start)) { + x = stack.start; + } + if (box.fullSize) { + setBoxDims(box, x, userPadding.top, width, params.outerHeight - userPadding.bottom - userPadding.top); + } else { + setBoxDims(box, x, chartArea.top + stack.placed, width, height); + } + stack.start = x; + stack.placed += height; + x = box.right; + } + } + chartArea.x = x; + chartArea.y = y; +} +var layouts = { + addBox (chart, item) { + if (!chart.boxes) { + chart.boxes = []; + } + item.fullSize = item.fullSize || false; + item.position = item.position || 'top'; + item.weight = item.weight || 0; + item._layers = item._layers || function() { + return [ + { + z: 0, + draw (chartArea) { + item.draw(chartArea); + } + } + ]; + }; + chart.boxes.push(item); + }, + removeBox (chart, layoutItem) { + const index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; + if (index !== -1) { + chart.boxes.splice(index, 1); + } + }, + configure (chart, item, options) { + item.fullSize = options.fullSize; + item.position = options.position; + item.weight = options.weight; + }, + update (chart, width, height, minPadding) { + if (!chart) { + return; + } + const padding = helpers_segment.toPadding(chart.options.layout.padding); + const availableWidth = Math.max(width - padding.width, 0); + const availableHeight = Math.max(height - padding.height, 0); + const boxes = buildLayoutBoxes(chart.boxes); + const verticalBoxes = boxes.vertical; + const horizontalBoxes = boxes.horizontal; + helpers_segment.each(chart.boxes, (box)=>{ + if (typeof box.beforeLayout === 'function') { + box.beforeLayout(); + } + }); + const visibleVerticalBoxCount = verticalBoxes.reduce((total, wrap)=>wrap.box.options && wrap.box.options.display === false ? total : total + 1, 0) || 1; + const params = Object.freeze({ + outerWidth: width, + outerHeight: height, + padding, + availableWidth, + availableHeight, + vBoxMaxWidth: availableWidth / 2 / visibleVerticalBoxCount, + hBoxMaxHeight: availableHeight / 2 + }); + const maxPadding = Object.assign({}, padding); + updateMaxPadding(maxPadding, helpers_segment.toPadding(minPadding)); + const chartArea = Object.assign({ + maxPadding, + w: availableWidth, + h: availableHeight, + x: padding.left, + y: padding.top + }, padding); + const stacks = setLayoutDims(verticalBoxes.concat(horizontalBoxes), params); + fitBoxes(boxes.fullSize, chartArea, params, stacks); + fitBoxes(verticalBoxes, chartArea, params, stacks); + if (fitBoxes(horizontalBoxes, chartArea, params, stacks)) { + fitBoxes(verticalBoxes, chartArea, params, stacks); + } + handleMaxPadding(chartArea); + placeBoxes(boxes.leftAndTop, chartArea, params, stacks); + chartArea.x += chartArea.w; + chartArea.y += chartArea.h; + placeBoxes(boxes.rightAndBottom, chartArea, params, stacks); + chart.chartArea = { + left: chartArea.left, + top: chartArea.top, + right: chartArea.left + chartArea.w, + bottom: chartArea.top + chartArea.h, + height: chartArea.h, + width: chartArea.w + }; + helpers_segment.each(boxes.chartArea, (layout)=>{ + const box = layout.box; + Object.assign(box, chart.chartArea); + box.update(chartArea.w, chartArea.h, { + left: 0, + top: 0, + right: 0, + bottom: 0 + }); + }); + } +}; + +class BasePlatform { + acquireContext(canvas, aspectRatio) {} + releaseContext(context) { + return false; + } + addEventListener(chart, type, listener) {} + removeEventListener(chart, type, listener) {} + getDevicePixelRatio() { + return 1; + } + getMaximumSize(element, width, height, aspectRatio) { + width = Math.max(0, width || element.width); + height = height || element.height; + return { + width, + height: Math.max(0, aspectRatio ? Math.floor(width / aspectRatio) : height) + }; + } + isAttached(canvas) { + return true; + } + updateConfig(config) { + } +} + +class BasicPlatform extends BasePlatform { + acquireContext(item) { + return item && item.getContext && item.getContext('2d') || null; + } + updateConfig(config) { + config.options.animation = false; + } +} + +const EXPANDO_KEY = '$chartjs'; + const EVENT_TYPES = { + touchstart: 'mousedown', + touchmove: 'mousemove', + touchend: 'mouseup', + pointerenter: 'mouseenter', + pointerdown: 'mousedown', + pointermove: 'mousemove', + pointerup: 'mouseup', + pointerleave: 'mouseout', + pointerout: 'mouseout' +}; +const isNullOrEmpty = (value)=>value === null || value === ''; + function initCanvas(canvas, aspectRatio) { + const style = canvas.style; + const renderHeight = canvas.getAttribute('height'); + const renderWidth = canvas.getAttribute('width'); + canvas[EXPANDO_KEY] = { + initial: { + height: renderHeight, + width: renderWidth, + style: { + display: style.display, + height: style.height, + width: style.width + } + } + }; + style.display = style.display || 'block'; + style.boxSizing = style.boxSizing || 'border-box'; + if (isNullOrEmpty(renderWidth)) { + const displayWidth = helpers_segment.readUsedSize(canvas, 'width'); + if (displayWidth !== undefined) { + canvas.width = displayWidth; + } + } + if (isNullOrEmpty(renderHeight)) { + if (canvas.style.height === '') { + canvas.height = canvas.width / (aspectRatio || 2); + } else { + const displayHeight = helpers_segment.readUsedSize(canvas, 'height'); + if (displayHeight !== undefined) { + canvas.height = displayHeight; + } + } + } + return canvas; +} +const eventListenerOptions = helpers_segment.supportsEventListenerOptions ? { + passive: true +} : false; +function addListener(node, type, listener) { + node.addEventListener(type, listener, eventListenerOptions); +} +function removeListener(chart, type, listener) { + chart.canvas.removeEventListener(type, listener, eventListenerOptions); +} +function fromNativeEvent(event, chart) { + const type = EVENT_TYPES[event.type] || event.type; + const { x , y } = helpers_segment.getRelativePosition(event, chart); + return { + type, + chart, + native: event, + x: x !== undefined ? x : null, + y: y !== undefined ? y : null + }; +} +function nodeListContains(nodeList, canvas) { + for (const node of nodeList){ + if (node === canvas || node.contains(canvas)) { + return true; + } + } +} +function createAttachObserver(chart, type, listener) { + const canvas = chart.canvas; + const observer = new MutationObserver((entries)=>{ + let trigger = false; + for (const entry of entries){ + trigger = trigger || nodeListContains(entry.addedNodes, canvas); + trigger = trigger && !nodeListContains(entry.removedNodes, canvas); + } + if (trigger) { + listener(); + } + }); + observer.observe(document, { + childList: true, + subtree: true + }); + return observer; +} +function createDetachObserver(chart, type, listener) { + const canvas = chart.canvas; + const observer = new MutationObserver((entries)=>{ + let trigger = false; + for (const entry of entries){ + trigger = trigger || nodeListContains(entry.removedNodes, canvas); + trigger = trigger && !nodeListContains(entry.addedNodes, canvas); + } + if (trigger) { + listener(); + } + }); + observer.observe(document, { + childList: true, + subtree: true + }); + return observer; +} +const drpListeningCharts = new Map(); +let oldDevicePixelRatio = 0; +function onWindowResize() { + const dpr = window.devicePixelRatio; + if (dpr === oldDevicePixelRatio) { + return; + } + oldDevicePixelRatio = dpr; + drpListeningCharts.forEach((resize, chart)=>{ + if (chart.currentDevicePixelRatio !== dpr) { + resize(); + } + }); +} +function listenDevicePixelRatioChanges(chart, resize) { + if (!drpListeningCharts.size) { + window.addEventListener('resize', onWindowResize); + } + drpListeningCharts.set(chart, resize); +} +function unlistenDevicePixelRatioChanges(chart) { + drpListeningCharts.delete(chart); + if (!drpListeningCharts.size) { + window.removeEventListener('resize', onWindowResize); + } +} +function createResizeObserver(chart, type, listener) { + const canvas = chart.canvas; + const container = canvas && helpers_segment._getParentNode(canvas); + if (!container) { + return; + } + const resize = helpers_segment.throttled((width, height)=>{ + const w = container.clientWidth; + listener(width, height); + if (w < container.clientWidth) { + listener(); + } + }, window); + const observer = new ResizeObserver((entries)=>{ + const entry = entries[0]; + const width = entry.contentRect.width; + const height = entry.contentRect.height; + if (width === 0 && height === 0) { + return; + } + resize(width, height); + }); + observer.observe(container); + listenDevicePixelRatioChanges(chart, resize); + return observer; +} +function releaseObserver(chart, type, observer) { + if (observer) { + observer.disconnect(); + } + if (type === 'resize') { + unlistenDevicePixelRatioChanges(chart); + } +} +function createProxyAndListen(chart, type, listener) { + const canvas = chart.canvas; + const proxy = helpers_segment.throttled((event)=>{ + if (chart.ctx !== null) { + listener(fromNativeEvent(event, chart)); + } + }, chart); + addListener(canvas, type, proxy); + return proxy; +} + class DomPlatform extends BasePlatform { + acquireContext(canvas, aspectRatio) { + const context = canvas && canvas.getContext && canvas.getContext('2d'); + if (context && context.canvas === canvas) { + initCanvas(canvas, aspectRatio); + return context; + } + return null; + } + releaseContext(context) { + const canvas = context.canvas; + if (!canvas[EXPANDO_KEY]) { + return false; + } + const initial = canvas[EXPANDO_KEY].initial; + [ + 'height', + 'width' + ].forEach((prop)=>{ + const value = initial[prop]; + if (helpers_segment.isNullOrUndef(value)) { + canvas.removeAttribute(prop); + } else { + canvas.setAttribute(prop, value); + } + }); + const style = initial.style || {}; + Object.keys(style).forEach((key)=>{ + canvas.style[key] = style[key]; + }); + canvas.width = canvas.width; + delete canvas[EXPANDO_KEY]; + return true; + } + addEventListener(chart, type, listener) { + this.removeEventListener(chart, type); + const proxies = chart.$proxies || (chart.$proxies = {}); + const handlers = { + attach: createAttachObserver, + detach: createDetachObserver, + resize: createResizeObserver + }; + const handler = handlers[type] || createProxyAndListen; + proxies[type] = handler(chart, type, listener); + } + removeEventListener(chart, type) { + const proxies = chart.$proxies || (chart.$proxies = {}); + const proxy = proxies[type]; + if (!proxy) { + return; + } + const handlers = { + attach: releaseObserver, + detach: releaseObserver, + resize: releaseObserver + }; + const handler = handlers[type] || removeListener; + handler(chart, type, proxy); + proxies[type] = undefined; + } + getDevicePixelRatio() { + return window.devicePixelRatio; + } + getMaximumSize(canvas, width, height, aspectRatio) { + return helpers_segment.getMaximumSize(canvas, width, height, aspectRatio); + } + isAttached(canvas) { + const container = helpers_segment._getParentNode(canvas); + return !!(container && container.isConnected); + } +} + +function _detectPlatform(canvas) { + if (!helpers_segment._isDomSupported() || typeof OffscreenCanvas !== 'undefined' && canvas instanceof OffscreenCanvas) { + return BasicPlatform; + } + return DomPlatform; +} + +class Element { + static defaults = {}; + static defaultRoutes = undefined; + x; + y; + active = false; + options; + $animations; + tooltipPosition(useFinalPosition) { + const { x , y } = this.getProps([ + 'x', + 'y' + ], useFinalPosition); + return { + x, + y + }; + } + hasValue() { + return helpers_segment.isNumber(this.x) && helpers_segment.isNumber(this.y); + } + getProps(props, final) { + const anims = this.$animations; + if (!final || !anims) { + // let's not create an object, if not needed + return this; + } + const ret = {}; + props.forEach((prop)=>{ + ret[prop] = anims[prop] && anims[prop].active() ? anims[prop]._to : this[prop]; + }); + return ret; + } +} + +function autoSkip(scale, ticks) { + const tickOpts = scale.options.ticks; + const determinedMaxTicks = determineMaxTicks(scale); + const ticksLimit = Math.min(tickOpts.maxTicksLimit || determinedMaxTicks, determinedMaxTicks); + const majorIndices = tickOpts.major.enabled ? getMajorIndices(ticks) : []; + const numMajorIndices = majorIndices.length; + const first = majorIndices[0]; + const last = majorIndices[numMajorIndices - 1]; + const newTicks = []; + if (numMajorIndices > ticksLimit) { + skipMajors(ticks, newTicks, majorIndices, numMajorIndices / ticksLimit); + return newTicks; + } + const spacing = calculateSpacing(majorIndices, ticks, ticksLimit); + if (numMajorIndices > 0) { + let i, ilen; + const avgMajorSpacing = numMajorIndices > 1 ? Math.round((last - first) / (numMajorIndices - 1)) : null; + skip(ticks, newTicks, spacing, helpers_segment.isNullOrUndef(avgMajorSpacing) ? 0 : first - avgMajorSpacing, first); + for(i = 0, ilen = numMajorIndices - 1; i < ilen; i++){ + skip(ticks, newTicks, spacing, majorIndices[i], majorIndices[i + 1]); + } + skip(ticks, newTicks, spacing, last, helpers_segment.isNullOrUndef(avgMajorSpacing) ? ticks.length : last + avgMajorSpacing); + return newTicks; + } + skip(ticks, newTicks, spacing); + return newTicks; +} +function determineMaxTicks(scale) { + const offset = scale.options.offset; + const tickLength = scale._tickSize(); + const maxScale = scale._length / tickLength + (offset ? 0 : 1); + const maxChart = scale._maxLength / tickLength; + return Math.floor(Math.min(maxScale, maxChart)); +} + function calculateSpacing(majorIndices, ticks, ticksLimit) { + const evenMajorSpacing = getEvenSpacing(majorIndices); + const spacing = ticks.length / ticksLimit; + if (!evenMajorSpacing) { + return Math.max(spacing, 1); + } + const factors = helpers_segment._factorize(evenMajorSpacing); + for(let i = 0, ilen = factors.length - 1; i < ilen; i++){ + const factor = factors[i]; + if (factor > spacing) { + return factor; + } + } + return Math.max(spacing, 1); +} + function getMajorIndices(ticks) { + const result = []; + let i, ilen; + for(i = 0, ilen = ticks.length; i < ilen; i++){ + if (ticks[i].major) { + result.push(i); + } + } + return result; +} + function skipMajors(ticks, newTicks, majorIndices, spacing) { + let count = 0; + let next = majorIndices[0]; + let i; + spacing = Math.ceil(spacing); + for(i = 0; i < ticks.length; i++){ + if (i === next) { + newTicks.push(ticks[i]); + count++; + next = majorIndices[count * spacing]; + } + } +} + function skip(ticks, newTicks, spacing, majorStart, majorEnd) { + const start = helpers_segment.valueOrDefault(majorStart, 0); + const end = Math.min(helpers_segment.valueOrDefault(majorEnd, ticks.length), ticks.length); + let count = 0; + let length, i, next; + spacing = Math.ceil(spacing); + if (majorEnd) { + length = majorEnd - majorStart; + spacing = length / Math.floor(length / spacing); + } + next = start; + while(next < 0){ + count++; + next = Math.round(start + count * spacing); + } + for(i = Math.max(start, 0); i < end; i++){ + if (i === next) { + newTicks.push(ticks[i]); + count++; + next = Math.round(start + count * spacing); + } + } +} + function getEvenSpacing(arr) { + const len = arr.length; + let i, diff; + if (len < 2) { + return false; + } + for(diff = arr[0], i = 1; i < len; ++i){ + if (arr[i] - arr[i - 1] !== diff) { + return false; + } + } + return diff; +} + +const reverseAlign = (align)=>align === 'left' ? 'right' : align === 'right' ? 'left' : align; +const offsetFromEdge = (scale, edge, offset)=>edge === 'top' || edge === 'left' ? scale[edge] + offset : scale[edge] - offset; +const getTicksLimit = (ticksLength, maxTicksLimit)=>Math.min(maxTicksLimit || ticksLength, ticksLength); + function sample(arr, numItems) { + const result = []; + const increment = arr.length / numItems; + const len = arr.length; + let i = 0; + for(; i < len; i += increment){ + result.push(arr[Math.floor(i)]); + } + return result; +} + function getPixelForGridLine(scale, index, offsetGridLines) { + const length = scale.ticks.length; + const validIndex = Math.min(index, length - 1); + const start = scale._startPixel; + const end = scale._endPixel; + const epsilon = 1e-6; + let lineValue = scale.getPixelForTick(validIndex); + let offset; + if (offsetGridLines) { + if (length === 1) { + offset = Math.max(lineValue - start, end - lineValue); + } else if (index === 0) { + offset = (scale.getPixelForTick(1) - lineValue) / 2; + } else { + offset = (lineValue - scale.getPixelForTick(validIndex - 1)) / 2; + } + lineValue += validIndex < index ? offset : -offset; + if (lineValue < start - epsilon || lineValue > end + epsilon) { + return; + } + } + return lineValue; +} + function garbageCollect(caches, length) { + helpers_segment.each(caches, (cache)=>{ + const gc = cache.gc; + const gcLen = gc.length / 2; + let i; + if (gcLen > length) { + for(i = 0; i < gcLen; ++i){ + delete cache.data[gc[i]]; + } + gc.splice(0, gcLen); + } + }); +} + function getTickMarkLength(options) { + return options.drawTicks ? options.tickLength : 0; +} + function getTitleHeight(options, fallback) { + if (!options.display) { + return 0; + } + const font = helpers_segment.toFont(options.font, fallback); + const padding = helpers_segment.toPadding(options.padding); + const lines = helpers_segment.isArray(options.text) ? options.text.length : 1; + return lines * font.lineHeight + padding.height; +} +function createScaleContext(parent, scale) { + return helpers_segment.createContext(parent, { + scale, + type: 'scale' + }); +} +function createTickContext(parent, index, tick) { + return helpers_segment.createContext(parent, { + tick, + index, + type: 'tick' + }); +} +function titleAlign(align, position, reverse) { + let ret = helpers_segment._toLeftRightCenter(align); + if (reverse && position !== 'right' || !reverse && position === 'right') { + ret = reverseAlign(ret); + } + return ret; +} +function titleArgs(scale, offset, position, align) { + const { top , left , bottom , right , chart } = scale; + const { chartArea , scales } = chart; + let rotation = 0; + let maxWidth, titleX, titleY; + const height = bottom - top; + const width = right - left; + if (scale.isHorizontal()) { + titleX = helpers_segment._alignStartEnd(align, left, right); + if (helpers_segment.isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + titleY = scales[positionAxisID].getPixelForValue(value) + height - offset; + } else if (position === 'center') { + titleY = (chartArea.bottom + chartArea.top) / 2 + height - offset; + } else { + titleY = offsetFromEdge(scale, position, offset); + } + maxWidth = right - left; + } else { + if (helpers_segment.isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + titleX = scales[positionAxisID].getPixelForValue(value) - width + offset; + } else if (position === 'center') { + titleX = (chartArea.left + chartArea.right) / 2 - width + offset; + } else { + titleX = offsetFromEdge(scale, position, offset); + } + titleY = helpers_segment._alignStartEnd(align, bottom, top); + rotation = position === 'left' ? -helpers_segment.HALF_PI : helpers_segment.HALF_PI; + } + return { + titleX, + titleY, + maxWidth, + rotation + }; +} +class Scale extends Element { + constructor(cfg){ + super(); + this.id = cfg.id; + this.type = cfg.type; + this.options = undefined; + this.ctx = cfg.ctx; + this.chart = cfg.chart; + this.top = undefined; + this.bottom = undefined; + this.left = undefined; + this.right = undefined; + this.width = undefined; + this.height = undefined; + this._margins = { + left: 0, + right: 0, + top: 0, + bottom: 0 + }; + this.maxWidth = undefined; + this.maxHeight = undefined; + this.paddingTop = undefined; + this.paddingBottom = undefined; + this.paddingLeft = undefined; + this.paddingRight = undefined; + this.axis = undefined; + this.labelRotation = undefined; + this.min = undefined; + this.max = undefined; + this._range = undefined; + this.ticks = []; + this._gridLineItems = null; + this._labelItems = null; + this._labelSizes = null; + this._length = 0; + this._maxLength = 0; + this._longestTextCache = {}; + this._startPixel = undefined; + this._endPixel = undefined; + this._reversePixels = false; + this._userMax = undefined; + this._userMin = undefined; + this._suggestedMax = undefined; + this._suggestedMin = undefined; + this._ticksLength = 0; + this._borderValue = 0; + this._cache = {}; + this._dataLimitsCached = false; + this.$context = undefined; + } + init(options) { + this.options = options.setContext(this.getContext()); + this.axis = options.axis; + this._userMin = this.parse(options.min); + this._userMax = this.parse(options.max); + this._suggestedMin = this.parse(options.suggestedMin); + this._suggestedMax = this.parse(options.suggestedMax); + } + parse(raw, index) { + return raw; + } + getUserBounds() { + let { _userMin , _userMax , _suggestedMin , _suggestedMax } = this; + _userMin = helpers_segment.finiteOrDefault(_userMin, Number.POSITIVE_INFINITY); + _userMax = helpers_segment.finiteOrDefault(_userMax, Number.NEGATIVE_INFINITY); + _suggestedMin = helpers_segment.finiteOrDefault(_suggestedMin, Number.POSITIVE_INFINITY); + _suggestedMax = helpers_segment.finiteOrDefault(_suggestedMax, Number.NEGATIVE_INFINITY); + return { + min: helpers_segment.finiteOrDefault(_userMin, _suggestedMin), + max: helpers_segment.finiteOrDefault(_userMax, _suggestedMax), + minDefined: helpers_segment.isNumberFinite(_userMin), + maxDefined: helpers_segment.isNumberFinite(_userMax) + }; + } + getMinMax(canStack) { + let { min , max , minDefined , maxDefined } = this.getUserBounds(); + let range; + if (minDefined && maxDefined) { + return { + min, + max + }; + } + const metas = this.getMatchingVisibleMetas(); + for(let i = 0, ilen = metas.length; i < ilen; ++i){ + range = metas[i].controller.getMinMax(this, canStack); + if (!minDefined) { + min = Math.min(min, range.min); + } + if (!maxDefined) { + max = Math.max(max, range.max); + } + } + min = maxDefined && min > max ? max : min; + max = minDefined && min > max ? min : max; + return { + min: helpers_segment.finiteOrDefault(min, helpers_segment.finiteOrDefault(max, min)), + max: helpers_segment.finiteOrDefault(max, helpers_segment.finiteOrDefault(min, max)) + }; + } + getPadding() { + return { + left: this.paddingLeft || 0, + top: this.paddingTop || 0, + right: this.paddingRight || 0, + bottom: this.paddingBottom || 0 + }; + } + getTicks() { + return this.ticks; + } + getLabels() { + const data = this.chart.data; + return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels || []; + } + getLabelItems(chartArea = this.chart.chartArea) { + const items = this._labelItems || (this._labelItems = this._computeLabelItems(chartArea)); + return items; + } + beforeLayout() { + this._cache = {}; + this._dataLimitsCached = false; + } + beforeUpdate() { + helpers_segment.callback(this.options.beforeUpdate, [ + this + ]); + } + update(maxWidth, maxHeight, margins) { + const { beginAtZero , grace , ticks: tickOpts } = this.options; + const sampleSize = tickOpts.sampleSize; + this.beforeUpdate(); + this.maxWidth = maxWidth; + this.maxHeight = maxHeight; + this._margins = margins = Object.assign({ + left: 0, + right: 0, + top: 0, + bottom: 0 + }, margins); + this.ticks = null; + this._labelSizes = null; + this._gridLineItems = null; + this._labelItems = null; + this.beforeSetDimensions(); + this.setDimensions(); + this.afterSetDimensions(); + this._maxLength = this.isHorizontal() ? this.width + margins.left + margins.right : this.height + margins.top + margins.bottom; + if (!this._dataLimitsCached) { + this.beforeDataLimits(); + this.determineDataLimits(); + this.afterDataLimits(); + this._range = helpers_segment._addGrace(this, grace, beginAtZero); + this._dataLimitsCached = true; + } + this.beforeBuildTicks(); + this.ticks = this.buildTicks() || []; + this.afterBuildTicks(); + const samplingEnabled = sampleSize < this.ticks.length; + this._convertTicksToLabels(samplingEnabled ? sample(this.ticks, sampleSize) : this.ticks); + this.configure(); + this.beforeCalculateLabelRotation(); + this.calculateLabelRotation(); + this.afterCalculateLabelRotation(); + if (tickOpts.display && (tickOpts.autoSkip || tickOpts.source === 'auto')) { + this.ticks = autoSkip(this, this.ticks); + this._labelSizes = null; + this.afterAutoSkip(); + } + if (samplingEnabled) { + this._convertTicksToLabels(this.ticks); + } + this.beforeFit(); + this.fit(); + this.afterFit(); + this.afterUpdate(); + } + configure() { + let reversePixels = this.options.reverse; + let startPixel, endPixel; + if (this.isHorizontal()) { + startPixel = this.left; + endPixel = this.right; + } else { + startPixel = this.top; + endPixel = this.bottom; + reversePixels = !reversePixels; + } + this._startPixel = startPixel; + this._endPixel = endPixel; + this._reversePixels = reversePixels; + this._length = endPixel - startPixel; + this._alignToPixels = this.options.alignToPixels; + } + afterUpdate() { + helpers_segment.callback(this.options.afterUpdate, [ + this + ]); + } + beforeSetDimensions() { + helpers_segment.callback(this.options.beforeSetDimensions, [ + this + ]); + } + setDimensions() { + if (this.isHorizontal()) { + this.width = this.maxWidth; + this.left = 0; + this.right = this.width; + } else { + this.height = this.maxHeight; + this.top = 0; + this.bottom = this.height; + } + this.paddingLeft = 0; + this.paddingTop = 0; + this.paddingRight = 0; + this.paddingBottom = 0; + } + afterSetDimensions() { + helpers_segment.callback(this.options.afterSetDimensions, [ + this + ]); + } + _callHooks(name) { + this.chart.notifyPlugins(name, this.getContext()); + helpers_segment.callback(this.options[name], [ + this + ]); + } + beforeDataLimits() { + this._callHooks('beforeDataLimits'); + } + determineDataLimits() {} + afterDataLimits() { + this._callHooks('afterDataLimits'); + } + beforeBuildTicks() { + this._callHooks('beforeBuildTicks'); + } + buildTicks() { + return []; + } + afterBuildTicks() { + this._callHooks('afterBuildTicks'); + } + beforeTickToLabelConversion() { + helpers_segment.callback(this.options.beforeTickToLabelConversion, [ + this + ]); + } + generateTickLabels(ticks) { + const tickOpts = this.options.ticks; + let i, ilen, tick; + for(i = 0, ilen = ticks.length; i < ilen; i++){ + tick = ticks[i]; + tick.label = helpers_segment.callback(tickOpts.callback, [ + tick.value, + i, + ticks + ], this); + } + } + afterTickToLabelConversion() { + helpers_segment.callback(this.options.afterTickToLabelConversion, [ + this + ]); + } + beforeCalculateLabelRotation() { + helpers_segment.callback(this.options.beforeCalculateLabelRotation, [ + this + ]); + } + calculateLabelRotation() { + const options = this.options; + const tickOpts = options.ticks; + const numTicks = getTicksLimit(this.ticks.length, options.ticks.maxTicksLimit); + const minRotation = tickOpts.minRotation || 0; + const maxRotation = tickOpts.maxRotation; + let labelRotation = minRotation; + let tickWidth, maxHeight, maxLabelDiagonal; + if (!this._isVisible() || !tickOpts.display || minRotation >= maxRotation || numTicks <= 1 || !this.isHorizontal()) { + this.labelRotation = minRotation; + return; + } + const labelSizes = this._getLabelSizes(); + const maxLabelWidth = labelSizes.widest.width; + const maxLabelHeight = labelSizes.highest.height; + const maxWidth = helpers_segment._limitValue(this.chart.width - maxLabelWidth, 0, this.maxWidth); + tickWidth = options.offset ? this.maxWidth / numTicks : maxWidth / (numTicks - 1); + if (maxLabelWidth + 6 > tickWidth) { + tickWidth = maxWidth / (numTicks - (options.offset ? 0.5 : 1)); + maxHeight = this.maxHeight - getTickMarkLength(options.grid) - tickOpts.padding - getTitleHeight(options.title, this.chart.options.font); + maxLabelDiagonal = Math.sqrt(maxLabelWidth * maxLabelWidth + maxLabelHeight * maxLabelHeight); + labelRotation = helpers_segment.toDegrees(Math.min(Math.asin(helpers_segment._limitValue((labelSizes.highest.height + 6) / tickWidth, -1, 1)), Math.asin(helpers_segment._limitValue(maxHeight / maxLabelDiagonal, -1, 1)) - Math.asin(helpers_segment._limitValue(maxLabelHeight / maxLabelDiagonal, -1, 1)))); + labelRotation = Math.max(minRotation, Math.min(maxRotation, labelRotation)); + } + this.labelRotation = labelRotation; + } + afterCalculateLabelRotation() { + helpers_segment.callback(this.options.afterCalculateLabelRotation, [ + this + ]); + } + afterAutoSkip() {} + beforeFit() { + helpers_segment.callback(this.options.beforeFit, [ + this + ]); + } + fit() { + const minSize = { + width: 0, + height: 0 + }; + const { chart , options: { ticks: tickOpts , title: titleOpts , grid: gridOpts } } = this; + const display = this._isVisible(); + const isHorizontal = this.isHorizontal(); + if (display) { + const titleHeight = getTitleHeight(titleOpts, chart.options.font); + if (isHorizontal) { + minSize.width = this.maxWidth; + minSize.height = getTickMarkLength(gridOpts) + titleHeight; + } else { + minSize.height = this.maxHeight; + minSize.width = getTickMarkLength(gridOpts) + titleHeight; + } + if (tickOpts.display && this.ticks.length) { + const { first , last , widest , highest } = this._getLabelSizes(); + const tickPadding = tickOpts.padding * 2; + const angleRadians = helpers_segment.toRadians(this.labelRotation); + const cos = Math.cos(angleRadians); + const sin = Math.sin(angleRadians); + if (isHorizontal) { + const labelHeight = tickOpts.mirror ? 0 : sin * widest.width + cos * highest.height; + minSize.height = Math.min(this.maxHeight, minSize.height + labelHeight + tickPadding); + } else { + const labelWidth = tickOpts.mirror ? 0 : cos * widest.width + sin * highest.height; + minSize.width = Math.min(this.maxWidth, minSize.width + labelWidth + tickPadding); + } + this._calculatePadding(first, last, sin, cos); + } + } + this._handleMargins(); + if (isHorizontal) { + this.width = this._length = chart.width - this._margins.left - this._margins.right; + this.height = minSize.height; + } else { + this.width = minSize.width; + this.height = this._length = chart.height - this._margins.top - this._margins.bottom; + } + } + _calculatePadding(first, last, sin, cos) { + const { ticks: { align , padding } , position } = this.options; + const isRotated = this.labelRotation !== 0; + const labelsBelowTicks = position !== 'top' && this.axis === 'x'; + if (this.isHorizontal()) { + const offsetLeft = this.getPixelForTick(0) - this.left; + const offsetRight = this.right - this.getPixelForTick(this.ticks.length - 1); + let paddingLeft = 0; + let paddingRight = 0; + if (isRotated) { + if (labelsBelowTicks) { + paddingLeft = cos * first.width; + paddingRight = sin * last.height; + } else { + paddingLeft = sin * first.height; + paddingRight = cos * last.width; + } + } else if (align === 'start') { + paddingRight = last.width; + } else if (align === 'end') { + paddingLeft = first.width; + } else if (align !== 'inner') { + paddingLeft = first.width / 2; + paddingRight = last.width / 2; + } + this.paddingLeft = Math.max((paddingLeft - offsetLeft + padding) * this.width / (this.width - offsetLeft), 0); + this.paddingRight = Math.max((paddingRight - offsetRight + padding) * this.width / (this.width - offsetRight), 0); + } else { + let paddingTop = last.height / 2; + let paddingBottom = first.height / 2; + if (align === 'start') { + paddingTop = 0; + paddingBottom = first.height; + } else if (align === 'end') { + paddingTop = last.height; + paddingBottom = 0; + } + this.paddingTop = paddingTop + padding; + this.paddingBottom = paddingBottom + padding; + } + } + _handleMargins() { + if (this._margins) { + this._margins.left = Math.max(this.paddingLeft, this._margins.left); + this._margins.top = Math.max(this.paddingTop, this._margins.top); + this._margins.right = Math.max(this.paddingRight, this._margins.right); + this._margins.bottom = Math.max(this.paddingBottom, this._margins.bottom); + } + } + afterFit() { + helpers_segment.callback(this.options.afterFit, [ + this + ]); + } + isHorizontal() { + const { axis , position } = this.options; + return position === 'top' || position === 'bottom' || axis === 'x'; + } + isFullSize() { + return this.options.fullSize; + } + _convertTicksToLabels(ticks) { + this.beforeTickToLabelConversion(); + this.generateTickLabels(ticks); + let i, ilen; + for(i = 0, ilen = ticks.length; i < ilen; i++){ + if (helpers_segment.isNullOrUndef(ticks[i].label)) { + ticks.splice(i, 1); + ilen--; + i--; + } + } + this.afterTickToLabelConversion(); + } + _getLabelSizes() { + let labelSizes = this._labelSizes; + if (!labelSizes) { + const sampleSize = this.options.ticks.sampleSize; + let ticks = this.ticks; + if (sampleSize < ticks.length) { + ticks = sample(ticks, sampleSize); + } + this._labelSizes = labelSizes = this._computeLabelSizes(ticks, ticks.length, this.options.ticks.maxTicksLimit); + } + return labelSizes; + } + _computeLabelSizes(ticks, length, maxTicksLimit) { + const { ctx , _longestTextCache: caches } = this; + const widths = []; + const heights = []; + const increment = Math.floor(length / getTicksLimit(length, maxTicksLimit)); + let widestLabelSize = 0; + let highestLabelSize = 0; + let i, j, jlen, label, tickFont, fontString, cache, lineHeight, width, height, nestedLabel; + for(i = 0; i < length; i += increment){ + label = ticks[i].label; + tickFont = this._resolveTickFontOptions(i); + ctx.font = fontString = tickFont.string; + cache = caches[fontString] = caches[fontString] || { + data: {}, + gc: [] + }; + lineHeight = tickFont.lineHeight; + width = height = 0; + if (!helpers_segment.isNullOrUndef(label) && !helpers_segment.isArray(label)) { + width = helpers_segment._measureText(ctx, cache.data, cache.gc, width, label); + height = lineHeight; + } else if (helpers_segment.isArray(label)) { + for(j = 0, jlen = label.length; j < jlen; ++j){ + nestedLabel = label[j]; + if (!helpers_segment.isNullOrUndef(nestedLabel) && !helpers_segment.isArray(nestedLabel)) { + width = helpers_segment._measureText(ctx, cache.data, cache.gc, width, nestedLabel); + height += lineHeight; + } + } + } + widths.push(width); + heights.push(height); + widestLabelSize = Math.max(width, widestLabelSize); + highestLabelSize = Math.max(height, highestLabelSize); + } + garbageCollect(caches, length); + const widest = widths.indexOf(widestLabelSize); + const highest = heights.indexOf(highestLabelSize); + const valueAt = (idx)=>({ + width: widths[idx] || 0, + height: heights[idx] || 0 + }); + return { + first: valueAt(0), + last: valueAt(length - 1), + widest: valueAt(widest), + highest: valueAt(highest), + widths, + heights + }; + } + getLabelForValue(value) { + return value; + } + getPixelForValue(value, index) { + return NaN; + } + getValueForPixel(pixel) {} + getPixelForTick(index) { + const ticks = this.ticks; + if (index < 0 || index > ticks.length - 1) { + return null; + } + return this.getPixelForValue(ticks[index].value); + } + getPixelForDecimal(decimal) { + if (this._reversePixels) { + decimal = 1 - decimal; + } + const pixel = this._startPixel + decimal * this._length; + return helpers_segment._int16Range(this._alignToPixels ? helpers_segment._alignPixel(this.chart, pixel, 0) : pixel); + } + getDecimalForPixel(pixel) { + const decimal = (pixel - this._startPixel) / this._length; + return this._reversePixels ? 1 - decimal : decimal; + } + getBasePixel() { + return this.getPixelForValue(this.getBaseValue()); + } + getBaseValue() { + const { min , max } = this; + return min < 0 && max < 0 ? max : min > 0 && max > 0 ? min : 0; + } + getContext(index) { + const ticks = this.ticks || []; + if (index >= 0 && index < ticks.length) { + const tick = ticks[index]; + return tick.$context || (tick.$context = createTickContext(this.getContext(), index, tick)); + } + return this.$context || (this.$context = createScaleContext(this.chart.getContext(), this)); + } + _tickSize() { + const optionTicks = this.options.ticks; + const rot = helpers_segment.toRadians(this.labelRotation); + const cos = Math.abs(Math.cos(rot)); + const sin = Math.abs(Math.sin(rot)); + const labelSizes = this._getLabelSizes(); + const padding = optionTicks.autoSkipPadding || 0; + const w = labelSizes ? labelSizes.widest.width + padding : 0; + const h = labelSizes ? labelSizes.highest.height + padding : 0; + return this.isHorizontal() ? h * cos > w * sin ? w / cos : h / sin : h * sin < w * cos ? h / cos : w / sin; + } + _isVisible() { + const display = this.options.display; + if (display !== 'auto') { + return !!display; + } + return this.getMatchingVisibleMetas().length > 0; + } + _computeGridLineItems(chartArea) { + const axis = this.axis; + const chart = this.chart; + const options = this.options; + const { grid , position , border } = options; + const offset = grid.offset; + const isHorizontal = this.isHorizontal(); + const ticks = this.ticks; + const ticksLength = ticks.length + (offset ? 1 : 0); + const tl = getTickMarkLength(grid); + const items = []; + const borderOpts = border.setContext(this.getContext()); + const axisWidth = borderOpts.display ? borderOpts.width : 0; + const axisHalfWidth = axisWidth / 2; + const alignBorderValue = function(pixel) { + return helpers_segment._alignPixel(chart, pixel, axisWidth); + }; + let borderValue, i, lineValue, alignedLineValue; + let tx1, ty1, tx2, ty2, x1, y1, x2, y2; + if (position === 'top') { + borderValue = alignBorderValue(this.bottom); + ty1 = this.bottom - tl; + ty2 = borderValue - axisHalfWidth; + y1 = alignBorderValue(chartArea.top) + axisHalfWidth; + y2 = chartArea.bottom; + } else if (position === 'bottom') { + borderValue = alignBorderValue(this.top); + y1 = chartArea.top; + y2 = alignBorderValue(chartArea.bottom) - axisHalfWidth; + ty1 = borderValue + axisHalfWidth; + ty2 = this.top + tl; + } else if (position === 'left') { + borderValue = alignBorderValue(this.right); + tx1 = this.right - tl; + tx2 = borderValue - axisHalfWidth; + x1 = alignBorderValue(chartArea.left) + axisHalfWidth; + x2 = chartArea.right; + } else if (position === 'right') { + borderValue = alignBorderValue(this.left); + x1 = chartArea.left; + x2 = alignBorderValue(chartArea.right) - axisHalfWidth; + tx1 = borderValue + axisHalfWidth; + tx2 = this.left + tl; + } else if (axis === 'x') { + if (position === 'center') { + borderValue = alignBorderValue((chartArea.top + chartArea.bottom) / 2 + 0.5); + } else if (helpers_segment.isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value)); + } + y1 = chartArea.top; + y2 = chartArea.bottom; + ty1 = borderValue + axisHalfWidth; + ty2 = ty1 + tl; + } else if (axis === 'y') { + if (position === 'center') { + borderValue = alignBorderValue((chartArea.left + chartArea.right) / 2); + } else if (helpers_segment.isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + borderValue = alignBorderValue(this.chart.scales[positionAxisID].getPixelForValue(value)); + } + tx1 = borderValue - axisHalfWidth; + tx2 = tx1 - tl; + x1 = chartArea.left; + x2 = chartArea.right; + } + const limit = helpers_segment.valueOrDefault(options.ticks.maxTicksLimit, ticksLength); + const step = Math.max(1, Math.ceil(ticksLength / limit)); + for(i = 0; i < ticksLength; i += step){ + const context = this.getContext(i); + const optsAtIndex = grid.setContext(context); + const optsAtIndexBorder = border.setContext(context); + const lineWidth = optsAtIndex.lineWidth; + const lineColor = optsAtIndex.color; + const borderDash = optsAtIndexBorder.dash || []; + const borderDashOffset = optsAtIndexBorder.dashOffset; + const tickWidth = optsAtIndex.tickWidth; + const tickColor = optsAtIndex.tickColor; + const tickBorderDash = optsAtIndex.tickBorderDash || []; + const tickBorderDashOffset = optsAtIndex.tickBorderDashOffset; + lineValue = getPixelForGridLine(this, i, offset); + if (lineValue === undefined) { + continue; + } + alignedLineValue = helpers_segment._alignPixel(chart, lineValue, lineWidth); + if (isHorizontal) { + tx1 = tx2 = x1 = x2 = alignedLineValue; + } else { + ty1 = ty2 = y1 = y2 = alignedLineValue; + } + items.push({ + tx1, + ty1, + tx2, + ty2, + x1, + y1, + x2, + y2, + width: lineWidth, + color: lineColor, + borderDash, + borderDashOffset, + tickWidth, + tickColor, + tickBorderDash, + tickBorderDashOffset + }); + } + this._ticksLength = ticksLength; + this._borderValue = borderValue; + return items; + } + _computeLabelItems(chartArea) { + const axis = this.axis; + const options = this.options; + const { position , ticks: optionTicks } = options; + const isHorizontal = this.isHorizontal(); + const ticks = this.ticks; + const { align , crossAlign , padding , mirror } = optionTicks; + const tl = getTickMarkLength(options.grid); + const tickAndPadding = tl + padding; + const hTickAndPadding = mirror ? -padding : tickAndPadding; + const rotation = -helpers_segment.toRadians(this.labelRotation); + const items = []; + let i, ilen, tick, label, x, y, textAlign, pixel, font, lineHeight, lineCount, textOffset; + let textBaseline = 'middle'; + if (position === 'top') { + y = this.bottom - hTickAndPadding; + textAlign = this._getXAxisLabelAlignment(); + } else if (position === 'bottom') { + y = this.top + hTickAndPadding; + textAlign = this._getXAxisLabelAlignment(); + } else if (position === 'left') { + const ret = this._getYAxisLabelAlignment(tl); + textAlign = ret.textAlign; + x = ret.x; + } else if (position === 'right') { + const ret = this._getYAxisLabelAlignment(tl); + textAlign = ret.textAlign; + x = ret.x; + } else if (axis === 'x') { + if (position === 'center') { + y = (chartArea.top + chartArea.bottom) / 2 + tickAndPadding; + } else if (helpers_segment.isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + y = this.chart.scales[positionAxisID].getPixelForValue(value) + tickAndPadding; + } + textAlign = this._getXAxisLabelAlignment(); + } else if (axis === 'y') { + if (position === 'center') { + x = (chartArea.left + chartArea.right) / 2 - tickAndPadding; + } else if (helpers_segment.isObject(position)) { + const positionAxisID = Object.keys(position)[0]; + const value = position[positionAxisID]; + x = this.chart.scales[positionAxisID].getPixelForValue(value); + } + textAlign = this._getYAxisLabelAlignment(tl).textAlign; + } + if (axis === 'y') { + if (align === 'start') { + textBaseline = 'top'; + } else if (align === 'end') { + textBaseline = 'bottom'; + } + } + const labelSizes = this._getLabelSizes(); + for(i = 0, ilen = ticks.length; i < ilen; ++i){ + tick = ticks[i]; + label = tick.label; + const optsAtIndex = optionTicks.setContext(this.getContext(i)); + pixel = this.getPixelForTick(i) + optionTicks.labelOffset; + font = this._resolveTickFontOptions(i); + lineHeight = font.lineHeight; + lineCount = helpers_segment.isArray(label) ? label.length : 1; + const halfCount = lineCount / 2; + const color = optsAtIndex.color; + const strokeColor = optsAtIndex.textStrokeColor; + const strokeWidth = optsAtIndex.textStrokeWidth; + let tickTextAlign = textAlign; + if (isHorizontal) { + x = pixel; + if (textAlign === 'inner') { + if (i === ilen - 1) { + tickTextAlign = !this.options.reverse ? 'right' : 'left'; + } else if (i === 0) { + tickTextAlign = !this.options.reverse ? 'left' : 'right'; + } else { + tickTextAlign = 'center'; + } + } + if (position === 'top') { + if (crossAlign === 'near' || rotation !== 0) { + textOffset = -lineCount * lineHeight + lineHeight / 2; + } else if (crossAlign === 'center') { + textOffset = -labelSizes.highest.height / 2 - halfCount * lineHeight + lineHeight; + } else { + textOffset = -labelSizes.highest.height + lineHeight / 2; + } + } else { + if (crossAlign === 'near' || rotation !== 0) { + textOffset = lineHeight / 2; + } else if (crossAlign === 'center') { + textOffset = labelSizes.highest.height / 2 - halfCount * lineHeight; + } else { + textOffset = labelSizes.highest.height - lineCount * lineHeight; + } + } + if (mirror) { + textOffset *= -1; + } + if (rotation !== 0 && !optsAtIndex.showLabelBackdrop) { + x += lineHeight / 2 * Math.sin(rotation); + } + } else { + y = pixel; + textOffset = (1 - lineCount) * lineHeight / 2; + } + let backdrop; + if (optsAtIndex.showLabelBackdrop) { + const labelPadding = helpers_segment.toPadding(optsAtIndex.backdropPadding); + const height = labelSizes.heights[i]; + const width = labelSizes.widths[i]; + let top = textOffset - labelPadding.top; + let left = 0 - labelPadding.left; + switch(textBaseline){ + case 'middle': + top -= height / 2; + break; + case 'bottom': + top -= height; + break; + } + switch(textAlign){ + case 'center': + left -= width / 2; + break; + case 'right': + left -= width; + break; + } + backdrop = { + left, + top, + width: width + labelPadding.width, + height: height + labelPadding.height, + color: optsAtIndex.backdropColor + }; + } + items.push({ + label, + font, + textOffset, + options: { + rotation, + color, + strokeColor, + strokeWidth, + textAlign: tickTextAlign, + textBaseline, + translation: [ + x, + y + ], + backdrop + } + }); + } + return items; + } + _getXAxisLabelAlignment() { + const { position , ticks } = this.options; + const rotation = -helpers_segment.toRadians(this.labelRotation); + if (rotation) { + return position === 'top' ? 'left' : 'right'; + } + let align = 'center'; + if (ticks.align === 'start') { + align = 'left'; + } else if (ticks.align === 'end') { + align = 'right'; + } else if (ticks.align === 'inner') { + align = 'inner'; + } + return align; + } + _getYAxisLabelAlignment(tl) { + const { position , ticks: { crossAlign , mirror , padding } } = this.options; + const labelSizes = this._getLabelSizes(); + const tickAndPadding = tl + padding; + const widest = labelSizes.widest.width; + let textAlign; + let x; + if (position === 'left') { + if (mirror) { + x = this.right + padding; + if (crossAlign === 'near') { + textAlign = 'left'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x += widest / 2; + } else { + textAlign = 'right'; + x += widest; + } + } else { + x = this.right - tickAndPadding; + if (crossAlign === 'near') { + textAlign = 'right'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x -= widest / 2; + } else { + textAlign = 'left'; + x = this.left; + } + } + } else if (position === 'right') { + if (mirror) { + x = this.left + padding; + if (crossAlign === 'near') { + textAlign = 'right'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x -= widest / 2; + } else { + textAlign = 'left'; + x -= widest; + } + } else { + x = this.left + tickAndPadding; + if (crossAlign === 'near') { + textAlign = 'left'; + } else if (crossAlign === 'center') { + textAlign = 'center'; + x += widest / 2; + } else { + textAlign = 'right'; + x = this.right; + } + } + } else { + textAlign = 'right'; + } + return { + textAlign, + x + }; + } + _computeLabelArea() { + if (this.options.ticks.mirror) { + return; + } + const chart = this.chart; + const position = this.options.position; + if (position === 'left' || position === 'right') { + return { + top: 0, + left: this.left, + bottom: chart.height, + right: this.right + }; + } + if (position === 'top' || position === 'bottom') { + return { + top: this.top, + left: 0, + bottom: this.bottom, + right: chart.width + }; + } + } + drawBackground() { + const { ctx , options: { backgroundColor } , left , top , width , height } = this; + if (backgroundColor) { + ctx.save(); + ctx.fillStyle = backgroundColor; + ctx.fillRect(left, top, width, height); + ctx.restore(); + } + } + getLineWidthForValue(value) { + const grid = this.options.grid; + if (!this._isVisible() || !grid.display) { + return 0; + } + const ticks = this.ticks; + const index = ticks.findIndex((t)=>t.value === value); + if (index >= 0) { + const opts = grid.setContext(this.getContext(index)); + return opts.lineWidth; + } + return 0; + } + drawGrid(chartArea) { + const grid = this.options.grid; + const ctx = this.ctx; + const items = this._gridLineItems || (this._gridLineItems = this._computeGridLineItems(chartArea)); + let i, ilen; + const drawLine = (p1, p2, style)=>{ + if (!style.width || !style.color) { + return; + } + ctx.save(); + ctx.lineWidth = style.width; + ctx.strokeStyle = style.color; + ctx.setLineDash(style.borderDash || []); + ctx.lineDashOffset = style.borderDashOffset; + ctx.beginPath(); + ctx.moveTo(p1.x, p1.y); + ctx.lineTo(p2.x, p2.y); + ctx.stroke(); + ctx.restore(); + }; + if (grid.display) { + for(i = 0, ilen = items.length; i < ilen; ++i){ + const item = items[i]; + if (grid.drawOnChartArea) { + drawLine({ + x: item.x1, + y: item.y1 + }, { + x: item.x2, + y: item.y2 + }, item); + } + if (grid.drawTicks) { + drawLine({ + x: item.tx1, + y: item.ty1 + }, { + x: item.tx2, + y: item.ty2 + }, { + color: item.tickColor, + width: item.tickWidth, + borderDash: item.tickBorderDash, + borderDashOffset: item.tickBorderDashOffset + }); + } + } + } + } + drawBorder() { + const { chart , ctx , options: { border , grid } } = this; + const borderOpts = border.setContext(this.getContext()); + const axisWidth = border.display ? borderOpts.width : 0; + if (!axisWidth) { + return; + } + const lastLineWidth = grid.setContext(this.getContext(0)).lineWidth; + const borderValue = this._borderValue; + let x1, x2, y1, y2; + if (this.isHorizontal()) { + x1 = helpers_segment._alignPixel(chart, this.left, axisWidth) - axisWidth / 2; + x2 = helpers_segment._alignPixel(chart, this.right, lastLineWidth) + lastLineWidth / 2; + y1 = y2 = borderValue; + } else { + y1 = helpers_segment._alignPixel(chart, this.top, axisWidth) - axisWidth / 2; + y2 = helpers_segment._alignPixel(chart, this.bottom, lastLineWidth) + lastLineWidth / 2; + x1 = x2 = borderValue; + } + ctx.save(); + ctx.lineWidth = borderOpts.width; + ctx.strokeStyle = borderOpts.color; + ctx.beginPath(); + ctx.moveTo(x1, y1); + ctx.lineTo(x2, y2); + ctx.stroke(); + ctx.restore(); + } + drawLabels(chartArea) { + const optionTicks = this.options.ticks; + if (!optionTicks.display) { + return; + } + const ctx = this.ctx; + const area = this._computeLabelArea(); + if (area) { + helpers_segment.clipArea(ctx, area); + } + const items = this.getLabelItems(chartArea); + for (const item of items){ + const renderTextOptions = item.options; + const tickFont = item.font; + const label = item.label; + const y = item.textOffset; + helpers_segment.renderText(ctx, label, 0, y, tickFont, renderTextOptions); + } + if (area) { + helpers_segment.unclipArea(ctx); + } + } + drawTitle() { + const { ctx , options: { position , title , reverse } } = this; + if (!title.display) { + return; + } + const font = helpers_segment.toFont(title.font); + const padding = helpers_segment.toPadding(title.padding); + const align = title.align; + let offset = font.lineHeight / 2; + if (position === 'bottom' || position === 'center' || helpers_segment.isObject(position)) { + offset += padding.bottom; + if (helpers_segment.isArray(title.text)) { + offset += font.lineHeight * (title.text.length - 1); + } + } else { + offset += padding.top; + } + const { titleX , titleY , maxWidth , rotation } = titleArgs(this, offset, position, align); + helpers_segment.renderText(ctx, title.text, 0, 0, font, { + color: title.color, + maxWidth, + rotation, + textAlign: titleAlign(align, position, reverse), + textBaseline: 'middle', + translation: [ + titleX, + titleY + ] + }); + } + draw(chartArea) { + if (!this._isVisible()) { + return; + } + this.drawBackground(); + this.drawGrid(chartArea); + this.drawBorder(); + this.drawTitle(); + this.drawLabels(chartArea); + } + _layers() { + const opts = this.options; + const tz = opts.ticks && opts.ticks.z || 0; + const gz = helpers_segment.valueOrDefault(opts.grid && opts.grid.z, -1); + const bz = helpers_segment.valueOrDefault(opts.border && opts.border.z, 0); + if (!this._isVisible() || this.draw !== Scale.prototype.draw) { + return [ + { + z: tz, + draw: (chartArea)=>{ + this.draw(chartArea); + } + } + ]; + } + return [ + { + z: gz, + draw: (chartArea)=>{ + this.drawBackground(); + this.drawGrid(chartArea); + this.drawTitle(); + } + }, + { + z: bz, + draw: ()=>{ + this.drawBorder(); + } + }, + { + z: tz, + draw: (chartArea)=>{ + this.drawLabels(chartArea); + } + } + ]; + } + getMatchingVisibleMetas(type) { + const metas = this.chart.getSortedVisibleDatasetMetas(); + const axisID = this.axis + 'AxisID'; + const result = []; + let i, ilen; + for(i = 0, ilen = metas.length; i < ilen; ++i){ + const meta = metas[i]; + if (meta[axisID] === this.id && (!type || meta.type === type)) { + result.push(meta); + } + } + return result; + } + _resolveTickFontOptions(index) { + const opts = this.options.ticks.setContext(this.getContext(index)); + return helpers_segment.toFont(opts.font); + } + _maxDigits() { + const fontSize = this._resolveTickFontOptions(0).lineHeight; + return (this.isHorizontal() ? this.width : this.height) / fontSize; + } +} + +class TypedRegistry { + constructor(type, scope, override){ + this.type = type; + this.scope = scope; + this.override = override; + this.items = Object.create(null); + } + isForType(type) { + return Object.prototype.isPrototypeOf.call(this.type.prototype, type.prototype); + } + register(item) { + const proto = Object.getPrototypeOf(item); + let parentScope; + if (isIChartComponent(proto)) { + parentScope = this.register(proto); + } + const items = this.items; + const id = item.id; + const scope = this.scope + '.' + id; + if (!id) { + throw new Error('class does not have id: ' + item); + } + if (id in items) { + return scope; + } + items[id] = item; + registerDefaults(item, scope, parentScope); + if (this.override) { + helpers_segment.defaults.override(item.id, item.overrides); + } + return scope; + } + get(id) { + return this.items[id]; + } + unregister(item) { + const items = this.items; + const id = item.id; + const scope = this.scope; + if (id in items) { + delete items[id]; + } + if (scope && id in helpers_segment.defaults[scope]) { + delete helpers_segment.defaults[scope][id]; + if (this.override) { + delete helpers_segment.overrides[id]; + } + } + } +} +function registerDefaults(item, scope, parentScope) { + const itemDefaults = helpers_segment.merge(Object.create(null), [ + parentScope ? helpers_segment.defaults.get(parentScope) : {}, + helpers_segment.defaults.get(scope), + item.defaults + ]); + helpers_segment.defaults.set(scope, itemDefaults); + if (item.defaultRoutes) { + routeDefaults(scope, item.defaultRoutes); + } + if (item.descriptors) { + helpers_segment.defaults.describe(scope, item.descriptors); + } +} +function routeDefaults(scope, routes) { + Object.keys(routes).forEach((property)=>{ + const propertyParts = property.split('.'); + const sourceName = propertyParts.pop(); + const sourceScope = [ + scope + ].concat(propertyParts).join('.'); + const parts = routes[property].split('.'); + const targetName = parts.pop(); + const targetScope = parts.join('.'); + helpers_segment.defaults.route(sourceScope, sourceName, targetScope, targetName); + }); +} +function isIChartComponent(proto) { + return 'id' in proto && 'defaults' in proto; +} + +class Registry { + constructor(){ + this.controllers = new TypedRegistry(DatasetController, 'datasets', true); + this.elements = new TypedRegistry(Element, 'elements'); + this.plugins = new TypedRegistry(Object, 'plugins'); + this.scales = new TypedRegistry(Scale, 'scales'); + this._typedRegistries = [ + this.controllers, + this.scales, + this.elements + ]; + } + add(...args) { + this._each('register', args); + } + remove(...args) { + this._each('unregister', args); + } + addControllers(...args) { + this._each('register', args, this.controllers); + } + addElements(...args) { + this._each('register', args, this.elements); + } + addPlugins(...args) { + this._each('register', args, this.plugins); + } + addScales(...args) { + this._each('register', args, this.scales); + } + getController(id) { + return this._get(id, this.controllers, 'controller'); + } + getElement(id) { + return this._get(id, this.elements, 'element'); + } + getPlugin(id) { + return this._get(id, this.plugins, 'plugin'); + } + getScale(id) { + return this._get(id, this.scales, 'scale'); + } + removeControllers(...args) { + this._each('unregister', args, this.controllers); + } + removeElements(...args) { + this._each('unregister', args, this.elements); + } + removePlugins(...args) { + this._each('unregister', args, this.plugins); + } + removeScales(...args) { + this._each('unregister', args, this.scales); + } + _each(method, args, typedRegistry) { + [ + ...args + ].forEach((arg)=>{ + const reg = typedRegistry || this._getRegistryForType(arg); + if (typedRegistry || reg.isForType(arg) || reg === this.plugins && arg.id) { + this._exec(method, reg, arg); + } else { + helpers_segment.each(arg, (item)=>{ + const itemReg = typedRegistry || this._getRegistryForType(item); + this._exec(method, itemReg, item); + }); + } + }); + } + _exec(method, registry, component) { + const camelMethod = helpers_segment._capitalize(method); + helpers_segment.callback(component['before' + camelMethod], [], component); + registry[method](component); + helpers_segment.callback(component['after' + camelMethod], [], component); + } + _getRegistryForType(type) { + for(let i = 0; i < this._typedRegistries.length; i++){ + const reg = this._typedRegistries[i]; + if (reg.isForType(type)) { + return reg; + } + } + return this.plugins; + } + _get(id, typedRegistry, type) { + const item = typedRegistry.get(id); + if (item === undefined) { + throw new Error('"' + id + '" is not a registered ' + type + '.'); + } + return item; + } +} +var registry = /* #__PURE__ */ new Registry(); + +class PluginService { + constructor(){ + this._init = []; + } + notify(chart, hook, args, filter) { + if (hook === 'beforeInit') { + this._init = this._createDescriptors(chart, true); + this._notify(this._init, chart, 'install'); + } + const descriptors = filter ? this._descriptors(chart).filter(filter) : this._descriptors(chart); + const result = this._notify(descriptors, chart, hook, args); + if (hook === 'afterDestroy') { + this._notify(descriptors, chart, 'stop'); + this._notify(this._init, chart, 'uninstall'); + } + return result; + } + _notify(descriptors, chart, hook, args) { + args = args || {}; + for (const descriptor of descriptors){ + const plugin = descriptor.plugin; + const method = plugin[hook]; + const params = [ + chart, + args, + descriptor.options + ]; + if (helpers_segment.callback(method, params, plugin) === false && args.cancelable) { + return false; + } + } + return true; + } + invalidate() { + if (!helpers_segment.isNullOrUndef(this._cache)) { + this._oldCache = this._cache; + this._cache = undefined; + } + } + _descriptors(chart) { + if (this._cache) { + return this._cache; + } + const descriptors = this._cache = this._createDescriptors(chart); + this._notifyStateChanges(chart); + return descriptors; + } + _createDescriptors(chart, all) { + const config = chart && chart.config; + const options = helpers_segment.valueOrDefault(config.options && config.options.plugins, {}); + const plugins = allPlugins(config); + return options === false && !all ? [] : createDescriptors(chart, plugins, options, all); + } + _notifyStateChanges(chart) { + const previousDescriptors = this._oldCache || []; + const descriptors = this._cache; + const diff = (a, b)=>a.filter((x)=>!b.some((y)=>x.plugin.id === y.plugin.id)); + this._notify(diff(previousDescriptors, descriptors), chart, 'stop'); + this._notify(diff(descriptors, previousDescriptors), chart, 'start'); + } +} + function allPlugins(config) { + const localIds = {}; + const plugins = []; + const keys = Object.keys(registry.plugins.items); + for(let i = 0; i < keys.length; i++){ + plugins.push(registry.getPlugin(keys[i])); + } + const local = config.plugins || []; + for(let i = 0; i < local.length; i++){ + const plugin = local[i]; + if (plugins.indexOf(plugin) === -1) { + plugins.push(plugin); + localIds[plugin.id] = true; + } + } + return { + plugins, + localIds + }; +} +function getOpts(options, all) { + if (!all && options === false) { + return null; + } + if (options === true) { + return {}; + } + return options; +} +function createDescriptors(chart, { plugins , localIds }, options, all) { + const result = []; + const context = chart.getContext(); + for (const plugin of plugins){ + const id = plugin.id; + const opts = getOpts(options[id], all); + if (opts === null) { + continue; + } + result.push({ + plugin, + options: pluginOpts(chart.config, { + plugin, + local: localIds[id] + }, opts, context) + }); + } + return result; +} +function pluginOpts(config, { plugin , local }, opts, context) { + const keys = config.pluginScopeKeys(plugin); + const scopes = config.getOptionScopes(opts, keys); + if (local && plugin.defaults) { + scopes.push(plugin.defaults); + } + return config.createResolver(scopes, context, [ + '' + ], { + scriptable: false, + indexable: false, + allKeys: true + }); +} + +function getIndexAxis(type, options) { + const datasetDefaults = helpers_segment.defaults.datasets[type] || {}; + const datasetOptions = (options.datasets || {})[type] || {}; + return datasetOptions.indexAxis || options.indexAxis || datasetDefaults.indexAxis || 'x'; +} +function getAxisFromDefaultScaleID(id, indexAxis) { + let axis = id; + if (id === '_index_') { + axis = indexAxis; + } else if (id === '_value_') { + axis = indexAxis === 'x' ? 'y' : 'x'; + } + return axis; +} +function getDefaultScaleIDFromAxis(axis, indexAxis) { + return axis === indexAxis ? '_index_' : '_value_'; +} +function idMatchesAxis(id) { + if (id === 'x' || id === 'y' || id === 'r') { + return id; + } +} +function axisFromPosition(position) { + if (position === 'top' || position === 'bottom') { + return 'x'; + } + if (position === 'left' || position === 'right') { + return 'y'; + } +} +function determineAxis(id, ...scaleOptions) { + if (idMatchesAxis(id)) { + return id; + } + for (const opts of scaleOptions){ + const axis = opts.axis || axisFromPosition(opts.position) || id.length > 1 && idMatchesAxis(id[0].toLowerCase()); + if (axis) { + return axis; + } + } + throw new Error(`Cannot determine type of '${id}' axis. Please provide 'axis' or 'position' option.`); +} +function getAxisFromDataset(id, axis, dataset) { + if (dataset[axis + 'AxisID'] === id) { + return { + axis + }; + } +} +function retrieveAxisFromDatasets(id, config) { + if (config.data && config.data.datasets) { + const boundDs = config.data.datasets.filter((d)=>d.xAxisID === id || d.yAxisID === id); + if (boundDs.length) { + return getAxisFromDataset(id, 'x', boundDs[0]) || getAxisFromDataset(id, 'y', boundDs[0]); + } + } + return {}; +} +function mergeScaleConfig(config, options) { + const chartDefaults = helpers_segment.overrides[config.type] || { + scales: {} + }; + const configScales = options.scales || {}; + const chartIndexAxis = getIndexAxis(config.type, options); + const scales = Object.create(null); + Object.keys(configScales).forEach((id)=>{ + const scaleConf = configScales[id]; + if (!helpers_segment.isObject(scaleConf)) { + return console.error(`Invalid scale configuration for scale: ${id}`); + } + if (scaleConf._proxy) { + return console.warn(`Ignoring resolver passed as options for scale: ${id}`); + } + const axis = determineAxis(id, scaleConf, retrieveAxisFromDatasets(id, config), helpers_segment.defaults.scales[scaleConf.type]); + const defaultId = getDefaultScaleIDFromAxis(axis, chartIndexAxis); + const defaultScaleOptions = chartDefaults.scales || {}; + scales[id] = helpers_segment.mergeIf(Object.create(null), [ + { + axis + }, + scaleConf, + defaultScaleOptions[axis], + defaultScaleOptions[defaultId] + ]); + }); + config.data.datasets.forEach((dataset)=>{ + const type = dataset.type || config.type; + const indexAxis = dataset.indexAxis || getIndexAxis(type, options); + const datasetDefaults = helpers_segment.overrides[type] || {}; + const defaultScaleOptions = datasetDefaults.scales || {}; + Object.keys(defaultScaleOptions).forEach((defaultID)=>{ + const axis = getAxisFromDefaultScaleID(defaultID, indexAxis); + const id = dataset[axis + 'AxisID'] || axis; + scales[id] = scales[id] || Object.create(null); + helpers_segment.mergeIf(scales[id], [ + { + axis + }, + configScales[id], + defaultScaleOptions[defaultID] + ]); + }); + }); + Object.keys(scales).forEach((key)=>{ + const scale = scales[key]; + helpers_segment.mergeIf(scale, [ + helpers_segment.defaults.scales[scale.type], + helpers_segment.defaults.scale + ]); + }); + return scales; +} +function initOptions(config) { + const options = config.options || (config.options = {}); + options.plugins = helpers_segment.valueOrDefault(options.plugins, {}); + options.scales = mergeScaleConfig(config, options); +} +function initData(data) { + data = data || {}; + data.datasets = data.datasets || []; + data.labels = data.labels || []; + return data; +} +function initConfig(config) { + config = config || {}; + config.data = initData(config.data); + initOptions(config); + return config; +} +const keyCache = new Map(); +const keysCached = new Set(); +function cachedKeys(cacheKey, generate) { + let keys = keyCache.get(cacheKey); + if (!keys) { + keys = generate(); + keyCache.set(cacheKey, keys); + keysCached.add(keys); + } + return keys; +} +const addIfFound = (set, obj, key)=>{ + const opts = helpers_segment.resolveObjectKey(obj, key); + if (opts !== undefined) { + set.add(opts); + } +}; +class Config { + constructor(config){ + this._config = initConfig(config); + this._scopeCache = new Map(); + this._resolverCache = new Map(); + } + get platform() { + return this._config.platform; + } + get type() { + return this._config.type; + } + set type(type) { + this._config.type = type; + } + get data() { + return this._config.data; + } + set data(data) { + this._config.data = initData(data); + } + get options() { + return this._config.options; + } + set options(options) { + this._config.options = options; + } + get plugins() { + return this._config.plugins; + } + update() { + const config = this._config; + this.clearCache(); + initOptions(config); + } + clearCache() { + this._scopeCache.clear(); + this._resolverCache.clear(); + } + datasetScopeKeys(datasetType) { + return cachedKeys(datasetType, ()=>[ + [ + `datasets.${datasetType}`, + '' + ] + ]); + } + datasetAnimationScopeKeys(datasetType, transition) { + return cachedKeys(`${datasetType}.transition.${transition}`, ()=>[ + [ + `datasets.${datasetType}.transitions.${transition}`, + `transitions.${transition}` + ], + [ + `datasets.${datasetType}`, + '' + ] + ]); + } + datasetElementScopeKeys(datasetType, elementType) { + return cachedKeys(`${datasetType}-${elementType}`, ()=>[ + [ + `datasets.${datasetType}.elements.${elementType}`, + `datasets.${datasetType}`, + `elements.${elementType}`, + '' + ] + ]); + } + pluginScopeKeys(plugin) { + const id = plugin.id; + const type = this.type; + return cachedKeys(`${type}-plugin-${id}`, ()=>[ + [ + `plugins.${id}`, + ...plugin.additionalOptionScopes || [] + ] + ]); + } + _cachedScopes(mainScope, resetCache) { + const _scopeCache = this._scopeCache; + let cache = _scopeCache.get(mainScope); + if (!cache || resetCache) { + cache = new Map(); + _scopeCache.set(mainScope, cache); + } + return cache; + } + getOptionScopes(mainScope, keyLists, resetCache) { + const { options , type } = this; + const cache = this._cachedScopes(mainScope, resetCache); + const cached = cache.get(keyLists); + if (cached) { + return cached; + } + const scopes = new Set(); + keyLists.forEach((keys)=>{ + if (mainScope) { + scopes.add(mainScope); + keys.forEach((key)=>addIfFound(scopes, mainScope, key)); + } + keys.forEach((key)=>addIfFound(scopes, options, key)); + keys.forEach((key)=>addIfFound(scopes, helpers_segment.overrides[type] || {}, key)); + keys.forEach((key)=>addIfFound(scopes, helpers_segment.defaults, key)); + keys.forEach((key)=>addIfFound(scopes, helpers_segment.descriptors, key)); + }); + const array = Array.from(scopes); + if (array.length === 0) { + array.push(Object.create(null)); + } + if (keysCached.has(keyLists)) { + cache.set(keyLists, array); + } + return array; + } + chartOptionScopes() { + const { options , type } = this; + return [ + options, + helpers_segment.overrides[type] || {}, + helpers_segment.defaults.datasets[type] || {}, + { + type + }, + helpers_segment.defaults, + helpers_segment.descriptors + ]; + } + resolveNamedOptions(scopes, names, context, prefixes = [ + '' + ]) { + const result = { + $shared: true + }; + const { resolver , subPrefixes } = getResolver(this._resolverCache, scopes, prefixes); + let options = resolver; + if (needContext(resolver, names)) { + result.$shared = false; + context = helpers_segment.isFunction(context) ? context() : context; + const subResolver = this.createResolver(scopes, context, subPrefixes); + options = helpers_segment._attachContext(resolver, context, subResolver); + } + for (const prop of names){ + result[prop] = options[prop]; + } + return result; + } + createResolver(scopes, context, prefixes = [ + '' + ], descriptorDefaults) { + const { resolver } = getResolver(this._resolverCache, scopes, prefixes); + return helpers_segment.isObject(context) ? helpers_segment._attachContext(resolver, context, undefined, descriptorDefaults) : resolver; + } +} +function getResolver(resolverCache, scopes, prefixes) { + let cache = resolverCache.get(scopes); + if (!cache) { + cache = new Map(); + resolverCache.set(scopes, cache); + } + const cacheKey = prefixes.join(); + let cached = cache.get(cacheKey); + if (!cached) { + const resolver = helpers_segment._createResolver(scopes, prefixes); + cached = { + resolver, + subPrefixes: prefixes.filter((p)=>!p.toLowerCase().includes('hover')) + }; + cache.set(cacheKey, cached); + } + return cached; +} +const hasFunction = (value)=>helpers_segment.isObject(value) && Object.getOwnPropertyNames(value).reduce((acc, key)=>acc || helpers_segment.isFunction(value[key]), false); +function needContext(proxy, names) { + const { isScriptable , isIndexable } = helpers_segment._descriptors(proxy); + for (const prop of names){ + const scriptable = isScriptable(prop); + const indexable = isIndexable(prop); + const value = (indexable || scriptable) && proxy[prop]; + if (scriptable && (helpers_segment.isFunction(value) || hasFunction(value)) || indexable && helpers_segment.isArray(value)) { + return true; + } + } + return false; +} + +var version = "4.4.0"; + +const KNOWN_POSITIONS = [ + 'top', + 'bottom', + 'left', + 'right', + 'chartArea' +]; +function positionIsHorizontal(position, axis) { + return position === 'top' || position === 'bottom' || KNOWN_POSITIONS.indexOf(position) === -1 && axis === 'x'; +} +function compare2Level(l1, l2) { + return function(a, b) { + return a[l1] === b[l1] ? a[l2] - b[l2] : a[l1] - b[l1]; + }; +} +function onAnimationsComplete(context) { + const chart = context.chart; + const animationOptions = chart.options.animation; + chart.notifyPlugins('afterRender'); + helpers_segment.callback(animationOptions && animationOptions.onComplete, [ + context + ], chart); +} +function onAnimationProgress(context) { + const chart = context.chart; + const animationOptions = chart.options.animation; + helpers_segment.callback(animationOptions && animationOptions.onProgress, [ + context + ], chart); +} + function getCanvas(item) { + if (helpers_segment._isDomSupported() && typeof item === 'string') { + item = document.getElementById(item); + } else if (item && item.length) { + item = item[0]; + } + if (item && item.canvas) { + item = item.canvas; + } + return item; +} +const instances = {}; +const getChart = (key)=>{ + const canvas = getCanvas(key); + return Object.values(instances).filter((c)=>c.canvas === canvas).pop(); +}; +function moveNumericKeys(obj, start, move) { + const keys = Object.keys(obj); + for (const key of keys){ + const intKey = +key; + if (intKey >= start) { + const value = obj[key]; + delete obj[key]; + if (move > 0 || intKey > start) { + obj[intKey + move] = value; + } + } + } +} + function determineLastEvent(e, lastEvent, inChartArea, isClick) { + if (!inChartArea || e.type === 'mouseout') { + return null; + } + if (isClick) { + return lastEvent; + } + return e; +} +function getSizeForArea(scale, chartArea, field) { + return scale.options.clip ? scale[field] : chartArea[field]; +} +function getDatasetArea(meta, chartArea) { + const { xScale , yScale } = meta; + if (xScale && yScale) { + return { + left: getSizeForArea(xScale, chartArea, 'left'), + right: getSizeForArea(xScale, chartArea, 'right'), + top: getSizeForArea(yScale, chartArea, 'top'), + bottom: getSizeForArea(yScale, chartArea, 'bottom') + }; + } + return chartArea; +} +class Chart { + static defaults = helpers_segment.defaults; + static instances = instances; + static overrides = helpers_segment.overrides; + static registry = registry; + static version = version; + static getChart = getChart; + static register(...items) { + registry.add(...items); + invalidatePlugins(); + } + static unregister(...items) { + registry.remove(...items); + invalidatePlugins(); + } + constructor(item, userConfig){ + const config = this.config = new Config(userConfig); + const initialCanvas = getCanvas(item); + const existingChart = getChart(initialCanvas); + if (existingChart) { + throw new Error('Canvas is already in use. Chart with ID \'' + existingChart.id + '\'' + ' must be destroyed before the canvas with ID \'' + existingChart.canvas.id + '\' can be reused.'); + } + const options = config.createResolver(config.chartOptionScopes(), this.getContext()); + this.platform = new (config.platform || _detectPlatform(initialCanvas))(); + this.platform.updateConfig(config); + const context = this.platform.acquireContext(initialCanvas, options.aspectRatio); + const canvas = context && context.canvas; + const height = canvas && canvas.height; + const width = canvas && canvas.width; + this.id = helpers_segment.uid(); + this.ctx = context; + this.canvas = canvas; + this.width = width; + this.height = height; + this._options = options; + this._aspectRatio = this.aspectRatio; + this._layers = []; + this._metasets = []; + this._stacks = undefined; + this.boxes = []; + this.currentDevicePixelRatio = undefined; + this.chartArea = undefined; + this._active = []; + this._lastEvent = undefined; + this._listeners = {}; + this._responsiveListeners = undefined; + this._sortedMetasets = []; + this.scales = {}; + this._plugins = new PluginService(); + this.$proxies = {}; + this._hiddenIndices = {}; + this.attached = false; + this._animationsDisabled = undefined; + this.$context = undefined; + this._doResize = helpers_segment.debounce((mode)=>this.update(mode), options.resizeDelay || 0); + this._dataChanges = []; + instances[this.id] = this; + if (!context || !canvas) { + console.error("Failed to create chart: can't acquire context from the given item"); + return; + } + animator.listen(this, 'complete', onAnimationsComplete); + animator.listen(this, 'progress', onAnimationProgress); + this._initialize(); + if (this.attached) { + this.update(); + } + } + get aspectRatio() { + const { options: { aspectRatio , maintainAspectRatio } , width , height , _aspectRatio } = this; + if (!helpers_segment.isNullOrUndef(aspectRatio)) { + return aspectRatio; + } + if (maintainAspectRatio && _aspectRatio) { + return _aspectRatio; + } + return height ? width / height : null; + } + get data() { + return this.config.data; + } + set data(data) { + this.config.data = data; + } + get options() { + return this._options; + } + set options(options) { + this.config.options = options; + } + get registry() { + return registry; + } + _initialize() { + this.notifyPlugins('beforeInit'); + if (this.options.responsive) { + this.resize(); + } else { + helpers_segment.retinaScale(this, this.options.devicePixelRatio); + } + this.bindEvents(); + this.notifyPlugins('afterInit'); + return this; + } + clear() { + helpers_segment.clearCanvas(this.canvas, this.ctx); + return this; + } + stop() { + animator.stop(this); + return this; + } + resize(width, height) { + if (!animator.running(this)) { + this._resize(width, height); + } else { + this._resizeBeforeDraw = { + width, + height + }; + } + } + _resize(width, height) { + const options = this.options; + const canvas = this.canvas; + const aspectRatio = options.maintainAspectRatio && this.aspectRatio; + const newSize = this.platform.getMaximumSize(canvas, width, height, aspectRatio); + const newRatio = options.devicePixelRatio || this.platform.getDevicePixelRatio(); + const mode = this.width ? 'resize' : 'attach'; + this.width = newSize.width; + this.height = newSize.height; + this._aspectRatio = this.aspectRatio; + if (!helpers_segment.retinaScale(this, newRatio, true)) { + return; + } + this.notifyPlugins('resize', { + size: newSize + }); + helpers_segment.callback(options.onResize, [ + this, + newSize + ], this); + if (this.attached) { + if (this._doResize(mode)) { + this.render(); + } + } + } + ensureScalesHaveIDs() { + const options = this.options; + const scalesOptions = options.scales || {}; + helpers_segment.each(scalesOptions, (axisOptions, axisID)=>{ + axisOptions.id = axisID; + }); + } + buildOrUpdateScales() { + const options = this.options; + const scaleOpts = options.scales; + const scales = this.scales; + const updated = Object.keys(scales).reduce((obj, id)=>{ + obj[id] = false; + return obj; + }, {}); + let items = []; + if (scaleOpts) { + items = items.concat(Object.keys(scaleOpts).map((id)=>{ + const scaleOptions = scaleOpts[id]; + const axis = determineAxis(id, scaleOptions); + const isRadial = axis === 'r'; + const isHorizontal = axis === 'x'; + return { + options: scaleOptions, + dposition: isRadial ? 'chartArea' : isHorizontal ? 'bottom' : 'left', + dtype: isRadial ? 'radialLinear' : isHorizontal ? 'category' : 'linear' + }; + })); + } + helpers_segment.each(items, (item)=>{ + const scaleOptions = item.options; + const id = scaleOptions.id; + const axis = determineAxis(id, scaleOptions); + const scaleType = helpers_segment.valueOrDefault(scaleOptions.type, item.dtype); + if (scaleOptions.position === undefined || positionIsHorizontal(scaleOptions.position, axis) !== positionIsHorizontal(item.dposition)) { + scaleOptions.position = item.dposition; + } + updated[id] = true; + let scale = null; + if (id in scales && scales[id].type === scaleType) { + scale = scales[id]; + } else { + const scaleClass = registry.getScale(scaleType); + scale = new scaleClass({ + id, + type: scaleType, + ctx: this.ctx, + chart: this + }); + scales[scale.id] = scale; + } + scale.init(scaleOptions, options); + }); + helpers_segment.each(updated, (hasUpdated, id)=>{ + if (!hasUpdated) { + delete scales[id]; + } + }); + helpers_segment.each(scales, (scale)=>{ + layouts.configure(this, scale, scale.options); + layouts.addBox(this, scale); + }); + } + _updateMetasets() { + const metasets = this._metasets; + const numData = this.data.datasets.length; + const numMeta = metasets.length; + metasets.sort((a, b)=>a.index - b.index); + if (numMeta > numData) { + for(let i = numData; i < numMeta; ++i){ + this._destroyDatasetMeta(i); + } + metasets.splice(numData, numMeta - numData); + } + this._sortedMetasets = metasets.slice(0).sort(compare2Level('order', 'index')); + } + _removeUnreferencedMetasets() { + const { _metasets: metasets , data: { datasets } } = this; + if (metasets.length > datasets.length) { + delete this._stacks; + } + metasets.forEach((meta, index)=>{ + if (datasets.filter((x)=>x === meta._dataset).length === 0) { + this._destroyDatasetMeta(index); + } + }); + } + buildOrUpdateControllers() { + const newControllers = []; + const datasets = this.data.datasets; + let i, ilen; + this._removeUnreferencedMetasets(); + for(i = 0, ilen = datasets.length; i < ilen; i++){ + const dataset = datasets[i]; + let meta = this.getDatasetMeta(i); + const type = dataset.type || this.config.type; + if (meta.type && meta.type !== type) { + this._destroyDatasetMeta(i); + meta = this.getDatasetMeta(i); + } + meta.type = type; + meta.indexAxis = dataset.indexAxis || getIndexAxis(type, this.options); + meta.order = dataset.order || 0; + meta.index = i; + meta.label = '' + dataset.label; + meta.visible = this.isDatasetVisible(i); + if (meta.controller) { + meta.controller.updateIndex(i); + meta.controller.linkScales(); + } else { + const ControllerClass = registry.getController(type); + const { datasetElementType , dataElementType } = helpers_segment.defaults.datasets[type]; + Object.assign(ControllerClass, { + dataElementType: registry.getElement(dataElementType), + datasetElementType: datasetElementType && registry.getElement(datasetElementType) + }); + meta.controller = new ControllerClass(this, i); + newControllers.push(meta.controller); + } + } + this._updateMetasets(); + return newControllers; + } + _resetElements() { + helpers_segment.each(this.data.datasets, (dataset, datasetIndex)=>{ + this.getDatasetMeta(datasetIndex).controller.reset(); + }, this); + } + reset() { + this._resetElements(); + this.notifyPlugins('reset'); + } + update(mode) { + const config = this.config; + config.update(); + const options = this._options = config.createResolver(config.chartOptionScopes(), this.getContext()); + const animsDisabled = this._animationsDisabled = !options.animation; + this._updateScales(); + this._checkEventBindings(); + this._updateHiddenIndices(); + this._plugins.invalidate(); + if (this.notifyPlugins('beforeUpdate', { + mode, + cancelable: true + }) === false) { + return; + } + const newControllers = this.buildOrUpdateControllers(); + this.notifyPlugins('beforeElementsUpdate'); + let minPadding = 0; + for(let i = 0, ilen = this.data.datasets.length; i < ilen; i++){ + const { controller } = this.getDatasetMeta(i); + const reset = !animsDisabled && newControllers.indexOf(controller) === -1; + controller.buildOrUpdateElements(reset); + minPadding = Math.max(+controller.getMaxOverflow(), minPadding); + } + minPadding = this._minPadding = options.layout.autoPadding ? minPadding : 0; + this._updateLayout(minPadding); + if (!animsDisabled) { + helpers_segment.each(newControllers, (controller)=>{ + controller.reset(); + }); + } + this._updateDatasets(mode); + this.notifyPlugins('afterUpdate', { + mode + }); + this._layers.sort(compare2Level('z', '_idx')); + const { _active , _lastEvent } = this; + if (_lastEvent) { + this._eventHandler(_lastEvent, true); + } else if (_active.length) { + this._updateHoverStyles(_active, _active, true); + } + this.render(); + } + _updateScales() { + helpers_segment.each(this.scales, (scale)=>{ + layouts.removeBox(this, scale); + }); + this.ensureScalesHaveIDs(); + this.buildOrUpdateScales(); + } + _checkEventBindings() { + const options = this.options; + const existingEvents = new Set(Object.keys(this._listeners)); + const newEvents = new Set(options.events); + if (!helpers_segment.setsEqual(existingEvents, newEvents) || !!this._responsiveListeners !== options.responsive) { + this.unbindEvents(); + this.bindEvents(); + } + } + _updateHiddenIndices() { + const { _hiddenIndices } = this; + const changes = this._getUniformDataChanges() || []; + for (const { method , start , count } of changes){ + const move = method === '_removeElements' ? -count : count; + moveNumericKeys(_hiddenIndices, start, move); + } + } + _getUniformDataChanges() { + const _dataChanges = this._dataChanges; + if (!_dataChanges || !_dataChanges.length) { + return; + } + this._dataChanges = []; + const datasetCount = this.data.datasets.length; + const makeSet = (idx)=>new Set(_dataChanges.filter((c)=>c[0] === idx).map((c, i)=>i + ',' + c.splice(1).join(','))); + const changeSet = makeSet(0); + for(let i = 1; i < datasetCount; i++){ + if (!helpers_segment.setsEqual(changeSet, makeSet(i))) { + return; + } + } + return Array.from(changeSet).map((c)=>c.split(',')).map((a)=>({ + method: a[1], + start: +a[2], + count: +a[3] + })); + } + _updateLayout(minPadding) { + if (this.notifyPlugins('beforeLayout', { + cancelable: true + }) === false) { + return; + } + layouts.update(this, this.width, this.height, minPadding); + const area = this.chartArea; + const noArea = area.width <= 0 || area.height <= 0; + this._layers = []; + helpers_segment.each(this.boxes, (box)=>{ + if (noArea && box.position === 'chartArea') { + return; + } + if (box.configure) { + box.configure(); + } + this._layers.push(...box._layers()); + }, this); + this._layers.forEach((item, index)=>{ + item._idx = index; + }); + this.notifyPlugins('afterLayout'); + } + _updateDatasets(mode) { + if (this.notifyPlugins('beforeDatasetsUpdate', { + mode, + cancelable: true + }) === false) { + return; + } + for(let i = 0, ilen = this.data.datasets.length; i < ilen; ++i){ + this.getDatasetMeta(i).controller.configure(); + } + for(let i = 0, ilen = this.data.datasets.length; i < ilen; ++i){ + this._updateDataset(i, helpers_segment.isFunction(mode) ? mode({ + datasetIndex: i + }) : mode); + } + this.notifyPlugins('afterDatasetsUpdate', { + mode + }); + } + _updateDataset(index, mode) { + const meta = this.getDatasetMeta(index); + const args = { + meta, + index, + mode, + cancelable: true + }; + if (this.notifyPlugins('beforeDatasetUpdate', args) === false) { + return; + } + meta.controller._update(mode); + args.cancelable = false; + this.notifyPlugins('afterDatasetUpdate', args); + } + render() { + if (this.notifyPlugins('beforeRender', { + cancelable: true + }) === false) { + return; + } + if (animator.has(this)) { + if (this.attached && !animator.running(this)) { + animator.start(this); + } + } else { + this.draw(); + onAnimationsComplete({ + chart: this + }); + } + } + draw() { + let i; + if (this._resizeBeforeDraw) { + const { width , height } = this._resizeBeforeDraw; + this._resize(width, height); + this._resizeBeforeDraw = null; + } + this.clear(); + if (this.width <= 0 || this.height <= 0) { + return; + } + if (this.notifyPlugins('beforeDraw', { + cancelable: true + }) === false) { + return; + } + const layers = this._layers; + for(i = 0; i < layers.length && layers[i].z <= 0; ++i){ + layers[i].draw(this.chartArea); + } + this._drawDatasets(); + for(; i < layers.length; ++i){ + layers[i].draw(this.chartArea); + } + this.notifyPlugins('afterDraw'); + } + _getSortedDatasetMetas(filterVisible) { + const metasets = this._sortedMetasets; + const result = []; + let i, ilen; + for(i = 0, ilen = metasets.length; i < ilen; ++i){ + const meta = metasets[i]; + if (!filterVisible || meta.visible) { + result.push(meta); + } + } + return result; + } + getSortedVisibleDatasetMetas() { + return this._getSortedDatasetMetas(true); + } + _drawDatasets() { + if (this.notifyPlugins('beforeDatasetsDraw', { + cancelable: true + }) === false) { + return; + } + const metasets = this.getSortedVisibleDatasetMetas(); + for(let i = metasets.length - 1; i >= 0; --i){ + this._drawDataset(metasets[i]); + } + this.notifyPlugins('afterDatasetsDraw'); + } + _drawDataset(meta) { + const ctx = this.ctx; + const clip = meta._clip; + const useClip = !clip.disabled; + const area = getDatasetArea(meta, this.chartArea); + const args = { + meta, + index: meta.index, + cancelable: true + }; + if (this.notifyPlugins('beforeDatasetDraw', args) === false) { + return; + } + if (useClip) { + helpers_segment.clipArea(ctx, { + left: clip.left === false ? 0 : area.left - clip.left, + right: clip.right === false ? this.width : area.right + clip.right, + top: clip.top === false ? 0 : area.top - clip.top, + bottom: clip.bottom === false ? this.height : area.bottom + clip.bottom + }); + } + meta.controller.draw(); + if (useClip) { + helpers_segment.unclipArea(ctx); + } + args.cancelable = false; + this.notifyPlugins('afterDatasetDraw', args); + } + isPointInArea(point) { + return helpers_segment._isPointInArea(point, this.chartArea, this._minPadding); + } + getElementsAtEventForMode(e, mode, options, useFinalPosition) { + const method = Interaction.modes[mode]; + if (typeof method === 'function') { + return method(this, e, options, useFinalPosition); + } + return []; + } + getDatasetMeta(datasetIndex) { + const dataset = this.data.datasets[datasetIndex]; + const metasets = this._metasets; + let meta = metasets.filter((x)=>x && x._dataset === dataset).pop(); + if (!meta) { + meta = { + type: null, + data: [], + dataset: null, + controller: null, + hidden: null, + xAxisID: null, + yAxisID: null, + order: dataset && dataset.order || 0, + index: datasetIndex, + _dataset: dataset, + _parsed: [], + _sorted: false + }; + metasets.push(meta); + } + return meta; + } + getContext() { + return this.$context || (this.$context = helpers_segment.createContext(null, { + chart: this, + type: 'chart' + })); + } + getVisibleDatasetCount() { + return this.getSortedVisibleDatasetMetas().length; + } + isDatasetVisible(datasetIndex) { + const dataset = this.data.datasets[datasetIndex]; + if (!dataset) { + return false; + } + const meta = this.getDatasetMeta(datasetIndex); + return typeof meta.hidden === 'boolean' ? !meta.hidden : !dataset.hidden; + } + setDatasetVisibility(datasetIndex, visible) { + const meta = this.getDatasetMeta(datasetIndex); + meta.hidden = !visible; + } + toggleDataVisibility(index) { + this._hiddenIndices[index] = !this._hiddenIndices[index]; + } + getDataVisibility(index) { + return !this._hiddenIndices[index]; + } + _updateVisibility(datasetIndex, dataIndex, visible) { + const mode = visible ? 'show' : 'hide'; + const meta = this.getDatasetMeta(datasetIndex); + const anims = meta.controller._resolveAnimations(undefined, mode); + if (helpers_segment.defined(dataIndex)) { + meta.data[dataIndex].hidden = !visible; + this.update(); + } else { + this.setDatasetVisibility(datasetIndex, visible); + anims.update(meta, { + visible + }); + this.update((ctx)=>ctx.datasetIndex === datasetIndex ? mode : undefined); + } + } + hide(datasetIndex, dataIndex) { + this._updateVisibility(datasetIndex, dataIndex, false); + } + show(datasetIndex, dataIndex) { + this._updateVisibility(datasetIndex, dataIndex, true); + } + _destroyDatasetMeta(datasetIndex) { + const meta = this._metasets[datasetIndex]; + if (meta && meta.controller) { + meta.controller._destroy(); + } + delete this._metasets[datasetIndex]; + } + _stop() { + let i, ilen; + this.stop(); + animator.remove(this); + for(i = 0, ilen = this.data.datasets.length; i < ilen; ++i){ + this._destroyDatasetMeta(i); + } + } + destroy() { + this.notifyPlugins('beforeDestroy'); + const { canvas , ctx } = this; + this._stop(); + this.config.clearCache(); + if (canvas) { + this.unbindEvents(); + helpers_segment.clearCanvas(canvas, ctx); + this.platform.releaseContext(ctx); + this.canvas = null; + this.ctx = null; + } + delete instances[this.id]; + this.notifyPlugins('afterDestroy'); + } + toBase64Image(...args) { + return this.canvas.toDataURL(...args); + } + bindEvents() { + this.bindUserEvents(); + if (this.options.responsive) { + this.bindResponsiveEvents(); + } else { + this.attached = true; + } + } + bindUserEvents() { + const listeners = this._listeners; + const platform = this.platform; + const _add = (type, listener)=>{ + platform.addEventListener(this, type, listener); + listeners[type] = listener; + }; + const listener = (e, x, y)=>{ + e.offsetX = x; + e.offsetY = y; + this._eventHandler(e); + }; + helpers_segment.each(this.options.events, (type)=>_add(type, listener)); + } + bindResponsiveEvents() { + if (!this._responsiveListeners) { + this._responsiveListeners = {}; + } + const listeners = this._responsiveListeners; + const platform = this.platform; + const _add = (type, listener)=>{ + platform.addEventListener(this, type, listener); + listeners[type] = listener; + }; + const _remove = (type, listener)=>{ + if (listeners[type]) { + platform.removeEventListener(this, type, listener); + delete listeners[type]; + } + }; + const listener = (width, height)=>{ + if (this.canvas) { + this.resize(width, height); + } + }; + let detached; + const attached = ()=>{ + _remove('attach', attached); + this.attached = true; + this.resize(); + _add('resize', listener); + _add('detach', detached); + }; + detached = ()=>{ + this.attached = false; + _remove('resize', listener); + this._stop(); + this._resize(0, 0); + _add('attach', attached); + }; + if (platform.isAttached(this.canvas)) { + attached(); + } else { + detached(); + } + } + unbindEvents() { + helpers_segment.each(this._listeners, (listener, type)=>{ + this.platform.removeEventListener(this, type, listener); + }); + this._listeners = {}; + helpers_segment.each(this._responsiveListeners, (listener, type)=>{ + this.platform.removeEventListener(this, type, listener); + }); + this._responsiveListeners = undefined; + } + updateHoverStyle(items, mode, enabled) { + const prefix = enabled ? 'set' : 'remove'; + let meta, item, i, ilen; + if (mode === 'dataset') { + meta = this.getDatasetMeta(items[0].datasetIndex); + meta.controller['_' + prefix + 'DatasetHoverStyle'](); + } + for(i = 0, ilen = items.length; i < ilen; ++i){ + item = items[i]; + const controller = item && this.getDatasetMeta(item.datasetIndex).controller; + if (controller) { + controller[prefix + 'HoverStyle'](item.element, item.datasetIndex, item.index); + } + } + } + getActiveElements() { + return this._active || []; + } + setActiveElements(activeElements) { + const lastActive = this._active || []; + const active = activeElements.map(({ datasetIndex , index })=>{ + const meta = this.getDatasetMeta(datasetIndex); + if (!meta) { + throw new Error('No dataset found at index ' + datasetIndex); + } + return { + datasetIndex, + element: meta.data[index], + index + }; + }); + const changed = !helpers_segment._elementsEqual(active, lastActive); + if (changed) { + this._active = active; + this._lastEvent = null; + this._updateHoverStyles(active, lastActive); + } + } + notifyPlugins(hook, args, filter) { + return this._plugins.notify(this, hook, args, filter); + } + isPluginEnabled(pluginId) { + return this._plugins._cache.filter((p)=>p.plugin.id === pluginId).length === 1; + } + _updateHoverStyles(active, lastActive, replay) { + const hoverOptions = this.options.hover; + const diff = (a, b)=>a.filter((x)=>!b.some((y)=>x.datasetIndex === y.datasetIndex && x.index === y.index)); + const deactivated = diff(lastActive, active); + const activated = replay ? active : diff(active, lastActive); + if (deactivated.length) { + this.updateHoverStyle(deactivated, hoverOptions.mode, false); + } + if (activated.length && hoverOptions.mode) { + this.updateHoverStyle(activated, hoverOptions.mode, true); + } + } + _eventHandler(e, replay) { + const args = { + event: e, + replay, + cancelable: true, + inChartArea: this.isPointInArea(e) + }; + const eventFilter = (plugin)=>(plugin.options.events || this.options.events).includes(e.native.type); + if (this.notifyPlugins('beforeEvent', args, eventFilter) === false) { + return; + } + const changed = this._handleEvent(e, replay, args.inChartArea); + args.cancelable = false; + this.notifyPlugins('afterEvent', args, eventFilter); + if (changed || args.changed) { + this.render(); + } + return this; + } + _handleEvent(e, replay, inChartArea) { + const { _active: lastActive = [] , options } = this; + const useFinalPosition = replay; + const active = this._getActiveElements(e, lastActive, inChartArea, useFinalPosition); + const isClick = helpers_segment._isClickEvent(e); + const lastEvent = determineLastEvent(e, this._lastEvent, inChartArea, isClick); + if (inChartArea) { + this._lastEvent = null; + helpers_segment.callback(options.onHover, [ + e, + active, + this + ], this); + if (isClick) { + helpers_segment.callback(options.onClick, [ + e, + active, + this + ], this); + } + } + const changed = !helpers_segment._elementsEqual(active, lastActive); + if (changed || replay) { + this._active = active; + this._updateHoverStyles(active, lastActive, replay); + } + this._lastEvent = lastEvent; + return changed; + } + _getActiveElements(e, lastActive, inChartArea, useFinalPosition) { + if (e.type === 'mouseout') { + return []; + } + if (!inChartArea) { + return lastActive; + } + const hoverOptions = this.options.hover; + return this.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions, useFinalPosition); + } +} +function invalidatePlugins() { + return helpers_segment.each(Chart.instances, (chart)=>chart._plugins.invalidate()); +} + +function clipArc(ctx, element, endAngle) { + const { startAngle , pixelMargin , x , y , outerRadius , innerRadius } = element; + let angleMargin = pixelMargin / outerRadius; + // Draw an inner border by clipping the arc and drawing a double-width border + // Enlarge the clipping arc by 0.33 pixels to eliminate glitches between borders + ctx.beginPath(); + ctx.arc(x, y, outerRadius, startAngle - angleMargin, endAngle + angleMargin); + if (innerRadius > pixelMargin) { + angleMargin = pixelMargin / innerRadius; + ctx.arc(x, y, innerRadius, endAngle + angleMargin, startAngle - angleMargin, true); + } else { + ctx.arc(x, y, pixelMargin, endAngle + helpers_segment.HALF_PI, startAngle - helpers_segment.HALF_PI); + } + ctx.closePath(); + ctx.clip(); +} +function toRadiusCorners(value) { + return helpers_segment._readValueToProps(value, [ + 'outerStart', + 'outerEnd', + 'innerStart', + 'innerEnd' + ]); +} +/** + * Parse border radius from the provided options + */ function parseBorderRadius$1(arc, innerRadius, outerRadius, angleDelta) { + const o = toRadiusCorners(arc.options.borderRadius); + const halfThickness = (outerRadius - innerRadius) / 2; + const innerLimit = Math.min(halfThickness, angleDelta * innerRadius / 2); + // Outer limits are complicated. We want to compute the available angular distance at + // a radius of outerRadius - borderRadius because for small angular distances, this term limits. + // We compute at r = outerRadius - borderRadius because this circle defines the center of the border corners. + // + // If the borderRadius is large, that value can become negative. + // This causes the outer borders to lose their radius entirely, which is rather unexpected. To solve that, if borderRadius > outerRadius + // we know that the thickness term will dominate and compute the limits at that point + const computeOuterLimit = (val)=>{ + const outerArcLimit = (outerRadius - Math.min(halfThickness, val)) * angleDelta / 2; + return helpers_segment._limitValue(val, 0, Math.min(halfThickness, outerArcLimit)); + }; + return { + outerStart: computeOuterLimit(o.outerStart), + outerEnd: computeOuterLimit(o.outerEnd), + innerStart: helpers_segment._limitValue(o.innerStart, 0, innerLimit), + innerEnd: helpers_segment._limitValue(o.innerEnd, 0, innerLimit) + }; +} +/** + * Convert (r, 𝜃) to (x, y) + */ function rThetaToXY(r, theta, x, y) { + return { + x: x + r * Math.cos(theta), + y: y + r * Math.sin(theta) + }; +} +/** + * Path the arc, respecting border radius by separating into left and right halves. + * + * Start End + * + * 1--->a--->2 Outer + * / \ + * 8 3 + * | | + * | | + * 7 4 + * \ / + * 6<---b<---5 Inner + */ function pathArc(ctx, element, offset, spacing, end, circular) { + const { x , y , startAngle: start , pixelMargin , innerRadius: innerR } = element; + const outerRadius = Math.max(element.outerRadius + spacing + offset - pixelMargin, 0); + const innerRadius = innerR > 0 ? innerR + spacing + offset + pixelMargin : 0; + let spacingOffset = 0; + const alpha = end - start; + if (spacing) { + // When spacing is present, it is the same for all items + // So we adjust the start and end angle of the arc such that + // the distance is the same as it would be without the spacing + const noSpacingInnerRadius = innerR > 0 ? innerR - spacing : 0; + const noSpacingOuterRadius = outerRadius > 0 ? outerRadius - spacing : 0; + const avNogSpacingRadius = (noSpacingInnerRadius + noSpacingOuterRadius) / 2; + const adjustedAngle = avNogSpacingRadius !== 0 ? alpha * avNogSpacingRadius / (avNogSpacingRadius + spacing) : alpha; + spacingOffset = (alpha - adjustedAngle) / 2; + } + const beta = Math.max(0.001, alpha * outerRadius - offset / helpers_segment.PI) / outerRadius; + const angleOffset = (alpha - beta) / 2; + const startAngle = start + angleOffset + spacingOffset; + const endAngle = end - angleOffset - spacingOffset; + const { outerStart , outerEnd , innerStart , innerEnd } = parseBorderRadius$1(element, innerRadius, outerRadius, endAngle - startAngle); + const outerStartAdjustedRadius = outerRadius - outerStart; + const outerEndAdjustedRadius = outerRadius - outerEnd; + const outerStartAdjustedAngle = startAngle + outerStart / outerStartAdjustedRadius; + const outerEndAdjustedAngle = endAngle - outerEnd / outerEndAdjustedRadius; + const innerStartAdjustedRadius = innerRadius + innerStart; + const innerEndAdjustedRadius = innerRadius + innerEnd; + const innerStartAdjustedAngle = startAngle + innerStart / innerStartAdjustedRadius; + const innerEndAdjustedAngle = endAngle - innerEnd / innerEndAdjustedRadius; + ctx.beginPath(); + if (circular) { + // The first arc segments from point 1 to point a to point 2 + const outerMidAdjustedAngle = (outerStartAdjustedAngle + outerEndAdjustedAngle) / 2; + ctx.arc(x, y, outerRadius, outerStartAdjustedAngle, outerMidAdjustedAngle); + ctx.arc(x, y, outerRadius, outerMidAdjustedAngle, outerEndAdjustedAngle); + // The corner segment from point 2 to point 3 + if (outerEnd > 0) { + const pCenter = rThetaToXY(outerEndAdjustedRadius, outerEndAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, outerEnd, outerEndAdjustedAngle, endAngle + helpers_segment.HALF_PI); + } + // The line from point 3 to point 4 + const p4 = rThetaToXY(innerEndAdjustedRadius, endAngle, x, y); + ctx.lineTo(p4.x, p4.y); + // The corner segment from point 4 to point 5 + if (innerEnd > 0) { + const pCenter = rThetaToXY(innerEndAdjustedRadius, innerEndAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, innerEnd, endAngle + helpers_segment.HALF_PI, innerEndAdjustedAngle + Math.PI); + } + // The inner arc from point 5 to point b to point 6 + const innerMidAdjustedAngle = (endAngle - innerEnd / innerRadius + (startAngle + innerStart / innerRadius)) / 2; + ctx.arc(x, y, innerRadius, endAngle - innerEnd / innerRadius, innerMidAdjustedAngle, true); + ctx.arc(x, y, innerRadius, innerMidAdjustedAngle, startAngle + innerStart / innerRadius, true); + // The corner segment from point 6 to point 7 + if (innerStart > 0) { + const pCenter = rThetaToXY(innerStartAdjustedRadius, innerStartAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, innerStart, innerStartAdjustedAngle + Math.PI, startAngle - helpers_segment.HALF_PI); + } + // The line from point 7 to point 8 + const p8 = rThetaToXY(outerStartAdjustedRadius, startAngle, x, y); + ctx.lineTo(p8.x, p8.y); + // The corner segment from point 8 to point 1 + if (outerStart > 0) { + const pCenter = rThetaToXY(outerStartAdjustedRadius, outerStartAdjustedAngle, x, y); + ctx.arc(pCenter.x, pCenter.y, outerStart, startAngle - helpers_segment.HALF_PI, outerStartAdjustedAngle); + } + } else { + ctx.moveTo(x, y); + const outerStartX = Math.cos(outerStartAdjustedAngle) * outerRadius + x; + const outerStartY = Math.sin(outerStartAdjustedAngle) * outerRadius + y; + ctx.lineTo(outerStartX, outerStartY); + const outerEndX = Math.cos(outerEndAdjustedAngle) * outerRadius + x; + const outerEndY = Math.sin(outerEndAdjustedAngle) * outerRadius + y; + ctx.lineTo(outerEndX, outerEndY); + } + ctx.closePath(); +} +function drawArc(ctx, element, offset, spacing, circular) { + const { fullCircles , startAngle , circumference } = element; + let endAngle = element.endAngle; + if (fullCircles) { + pathArc(ctx, element, offset, spacing, endAngle, circular); + for(let i = 0; i < fullCircles; ++i){ + ctx.fill(); + } + if (!isNaN(circumference)) { + endAngle = startAngle + (circumference % helpers_segment.TAU || helpers_segment.TAU); + } + } + pathArc(ctx, element, offset, spacing, endAngle, circular); + ctx.fill(); + return endAngle; +} +function drawBorder(ctx, element, offset, spacing, circular) { + const { fullCircles , startAngle , circumference , options } = element; + const { borderWidth , borderJoinStyle , borderDash , borderDashOffset } = options; + const inner = options.borderAlign === 'inner'; + if (!borderWidth) { + return; + } + ctx.setLineDash(borderDash || []); + ctx.lineDashOffset = borderDashOffset; + if (inner) { + ctx.lineWidth = borderWidth * 2; + ctx.lineJoin = borderJoinStyle || 'round'; + } else { + ctx.lineWidth = borderWidth; + ctx.lineJoin = borderJoinStyle || 'bevel'; + } + let endAngle = element.endAngle; + if (fullCircles) { + pathArc(ctx, element, offset, spacing, endAngle, circular); + for(let i = 0; i < fullCircles; ++i){ + ctx.stroke(); + } + if (!isNaN(circumference)) { + endAngle = startAngle + (circumference % helpers_segment.TAU || helpers_segment.TAU); + } + } + if (inner) { + clipArc(ctx, element, endAngle); + } + if (!fullCircles) { + pathArc(ctx, element, offset, spacing, endAngle, circular); + ctx.stroke(); + } +} +class ArcElement extends Element { + static id = 'arc'; + static defaults = { + borderAlign: 'center', + borderColor: '#fff', + borderDash: [], + borderDashOffset: 0, + borderJoinStyle: undefined, + borderRadius: 0, + borderWidth: 2, + offset: 0, + spacing: 0, + angle: undefined, + circular: true + }; + static defaultRoutes = { + backgroundColor: 'backgroundColor' + }; + static descriptors = { + _scriptable: true, + _indexable: (name)=>name !== 'borderDash' + }; + circumference; + endAngle; + fullCircles; + innerRadius; + outerRadius; + pixelMargin; + startAngle; + constructor(cfg){ + super(); + this.options = undefined; + this.circumference = undefined; + this.startAngle = undefined; + this.endAngle = undefined; + this.innerRadius = undefined; + this.outerRadius = undefined; + this.pixelMargin = 0; + this.fullCircles = 0; + if (cfg) { + Object.assign(this, cfg); + } + } + inRange(chartX, chartY, useFinalPosition) { + const point = this.getProps([ + 'x', + 'y' + ], useFinalPosition); + const { angle , distance } = helpers_segment.getAngleFromPoint(point, { + x: chartX, + y: chartY + }); + const { startAngle , endAngle , innerRadius , outerRadius , circumference } = this.getProps([ + 'startAngle', + 'endAngle', + 'innerRadius', + 'outerRadius', + 'circumference' + ], useFinalPosition); + const rAdjust = (this.options.spacing + this.options.borderWidth) / 2; + const _circumference = helpers_segment.valueOrDefault(circumference, endAngle - startAngle); + const betweenAngles = _circumference >= helpers_segment.TAU || helpers_segment._angleBetween(angle, startAngle, endAngle); + const withinRadius = helpers_segment._isBetween(distance, innerRadius + rAdjust, outerRadius + rAdjust); + return betweenAngles && withinRadius; + } + getCenterPoint(useFinalPosition) { + const { x , y , startAngle , endAngle , innerRadius , outerRadius } = this.getProps([ + 'x', + 'y', + 'startAngle', + 'endAngle', + 'innerRadius', + 'outerRadius' + ], useFinalPosition); + const { offset , spacing } = this.options; + const halfAngle = (startAngle + endAngle) / 2; + const halfRadius = (innerRadius + outerRadius + spacing + offset) / 2; + return { + x: x + Math.cos(halfAngle) * halfRadius, + y: y + Math.sin(halfAngle) * halfRadius + }; + } + tooltipPosition(useFinalPosition) { + return this.getCenterPoint(useFinalPosition); + } + draw(ctx) { + const { options , circumference } = this; + const offset = (options.offset || 0) / 4; + const spacing = (options.spacing || 0) / 2; + const circular = options.circular; + this.pixelMargin = options.borderAlign === 'inner' ? 0.33 : 0; + this.fullCircles = circumference > helpers_segment.TAU ? Math.floor(circumference / helpers_segment.TAU) : 0; + if (circumference === 0 || this.innerRadius < 0 || this.outerRadius < 0) { + return; + } + ctx.save(); + const halfAngle = (this.startAngle + this.endAngle) / 2; + ctx.translate(Math.cos(halfAngle) * offset, Math.sin(halfAngle) * offset); + const fix = 1 - Math.sin(Math.min(helpers_segment.PI, circumference || 0)); + const radiusOffset = offset * fix; + ctx.fillStyle = options.backgroundColor; + ctx.strokeStyle = options.borderColor; + drawArc(ctx, this, radiusOffset, spacing, circular); + drawBorder(ctx, this, radiusOffset, spacing, circular); + ctx.restore(); + } +} + +function setStyle(ctx, options, style = options) { + ctx.lineCap = helpers_segment.valueOrDefault(style.borderCapStyle, options.borderCapStyle); + ctx.setLineDash(helpers_segment.valueOrDefault(style.borderDash, options.borderDash)); + ctx.lineDashOffset = helpers_segment.valueOrDefault(style.borderDashOffset, options.borderDashOffset); + ctx.lineJoin = helpers_segment.valueOrDefault(style.borderJoinStyle, options.borderJoinStyle); + ctx.lineWidth = helpers_segment.valueOrDefault(style.borderWidth, options.borderWidth); + ctx.strokeStyle = helpers_segment.valueOrDefault(style.borderColor, options.borderColor); +} +function lineTo(ctx, previous, target) { + ctx.lineTo(target.x, target.y); +} + function getLineMethod(options) { + if (options.stepped) { + return helpers_segment._steppedLineTo; + } + if (options.tension || options.cubicInterpolationMode === 'monotone') { + return helpers_segment._bezierCurveTo; + } + return lineTo; +} +function pathVars(points, segment, params = {}) { + const count = points.length; + const { start: paramsStart = 0 , end: paramsEnd = count - 1 } = params; + const { start: segmentStart , end: segmentEnd } = segment; + const start = Math.max(paramsStart, segmentStart); + const end = Math.min(paramsEnd, segmentEnd); + const outside = paramsStart < segmentStart && paramsEnd < segmentStart || paramsStart > segmentEnd && paramsEnd > segmentEnd; + return { + count, + start, + loop: segment.loop, + ilen: end < start && !outside ? count + end - start : end - start + }; +} + function pathSegment(ctx, line, segment, params) { + const { points , options } = line; + const { count , start , loop , ilen } = pathVars(points, segment, params); + const lineMethod = getLineMethod(options); + let { move =true , reverse } = params || {}; + let i, point, prev; + for(i = 0; i <= ilen; ++i){ + point = points[(start + (reverse ? ilen - i : i)) % count]; + if (point.skip) { + continue; + } else if (move) { + ctx.moveTo(point.x, point.y); + move = false; + } else { + lineMethod(ctx, prev, point, reverse, options.stepped); + } + prev = point; + } + if (loop) { + point = points[(start + (reverse ? ilen : 0)) % count]; + lineMethod(ctx, prev, point, reverse, options.stepped); + } + return !!loop; +} + function fastPathSegment(ctx, line, segment, params) { + const points = line.points; + const { count , start , ilen } = pathVars(points, segment, params); + const { move =true , reverse } = params || {}; + let avgX = 0; + let countX = 0; + let i, point, prevX, minY, maxY, lastY; + const pointIndex = (index)=>(start + (reverse ? ilen - index : index)) % count; + const drawX = ()=>{ + if (minY !== maxY) { + ctx.lineTo(avgX, maxY); + ctx.lineTo(avgX, minY); + ctx.lineTo(avgX, lastY); + } + }; + if (move) { + point = points[pointIndex(0)]; + ctx.moveTo(point.x, point.y); + } + for(i = 0; i <= ilen; ++i){ + point = points[pointIndex(i)]; + if (point.skip) { + continue; + } + const x = point.x; + const y = point.y; + const truncX = x | 0; + if (truncX === prevX) { + if (y < minY) { + minY = y; + } else if (y > maxY) { + maxY = y; + } + avgX = (countX * avgX + x) / ++countX; + } else { + drawX(); + ctx.lineTo(x, y); + prevX = truncX; + countX = 0; + minY = maxY = y; + } + lastY = y; + } + drawX(); +} + function _getSegmentMethod(line) { + const opts = line.options; + const borderDash = opts.borderDash && opts.borderDash.length; + const useFastPath = !line._decimated && !line._loop && !opts.tension && opts.cubicInterpolationMode !== 'monotone' && !opts.stepped && !borderDash; + return useFastPath ? fastPathSegment : pathSegment; +} + function _getInterpolationMethod(options) { + if (options.stepped) { + return helpers_segment._steppedInterpolation; + } + if (options.tension || options.cubicInterpolationMode === 'monotone') { + return helpers_segment._bezierInterpolation; + } + return helpers_segment._pointInLine; +} +function strokePathWithCache(ctx, line, start, count) { + let path = line._path; + if (!path) { + path = line._path = new Path2D(); + if (line.path(path, start, count)) { + path.closePath(); + } + } + setStyle(ctx, line.options); + ctx.stroke(path); +} +function strokePathDirect(ctx, line, start, count) { + const { segments , options } = line; + const segmentMethod = _getSegmentMethod(line); + for (const segment of segments){ + setStyle(ctx, options, segment.style); + ctx.beginPath(); + if (segmentMethod(ctx, line, segment, { + start, + end: start + count - 1 + })) { + ctx.closePath(); + } + ctx.stroke(); + } +} +const usePath2D = typeof Path2D === 'function'; +function draw(ctx, line, start, count) { + if (usePath2D && !line.options.segment) { + strokePathWithCache(ctx, line, start, count); + } else { + strokePathDirect(ctx, line, start, count); + } +} +class LineElement extends Element { + static id = 'line'; + static defaults = { + borderCapStyle: 'butt', + borderDash: [], + borderDashOffset: 0, + borderJoinStyle: 'miter', + borderWidth: 3, + capBezierPoints: true, + cubicInterpolationMode: 'default', + fill: false, + spanGaps: false, + stepped: false, + tension: 0 + }; + static defaultRoutes = { + backgroundColor: 'backgroundColor', + borderColor: 'borderColor' + }; + static descriptors = { + _scriptable: true, + _indexable: (name)=>name !== 'borderDash' && name !== 'fill' + }; + constructor(cfg){ + super(); + this.animated = true; + this.options = undefined; + this._chart = undefined; + this._loop = undefined; + this._fullLoop = undefined; + this._path = undefined; + this._points = undefined; + this._segments = undefined; + this._decimated = false; + this._pointsUpdated = false; + this._datasetIndex = undefined; + if (cfg) { + Object.assign(this, cfg); + } + } + updateControlPoints(chartArea, indexAxis) { + const options = this.options; + if ((options.tension || options.cubicInterpolationMode === 'monotone') && !options.stepped && !this._pointsUpdated) { + const loop = options.spanGaps ? this._loop : this._fullLoop; + helpers_segment._updateBezierControlPoints(this._points, options, chartArea, loop, indexAxis); + this._pointsUpdated = true; + } + } + set points(points) { + this._points = points; + delete this._segments; + delete this._path; + this._pointsUpdated = false; + } + get points() { + return this._points; + } + get segments() { + return this._segments || (this._segments = helpers_segment._computeSegments(this, this.options.segment)); + } + first() { + const segments = this.segments; + const points = this.points; + return segments.length && points[segments[0].start]; + } + last() { + const segments = this.segments; + const points = this.points; + const count = segments.length; + return count && points[segments[count - 1].end]; + } + interpolate(point, property) { + const options = this.options; + const value = point[property]; + const points = this.points; + const segments = helpers_segment._boundSegments(this, { + property, + start: value, + end: value + }); + if (!segments.length) { + return; + } + const result = []; + const _interpolate = _getInterpolationMethod(options); + let i, ilen; + for(i = 0, ilen = segments.length; i < ilen; ++i){ + const { start , end } = segments[i]; + const p1 = points[start]; + const p2 = points[end]; + if (p1 === p2) { + result.push(p1); + continue; + } + const t = Math.abs((value - p1[property]) / (p2[property] - p1[property])); + const interpolated = _interpolate(p1, p2, t, options.stepped); + interpolated[property] = point[property]; + result.push(interpolated); + } + return result.length === 1 ? result[0] : result; + } + pathSegment(ctx, segment, params) { + const segmentMethod = _getSegmentMethod(this); + return segmentMethod(ctx, this, segment, params); + } + path(ctx, start, count) { + const segments = this.segments; + const segmentMethod = _getSegmentMethod(this); + let loop = this._loop; + start = start || 0; + count = count || this.points.length - start; + for (const segment of segments){ + loop &= segmentMethod(ctx, this, segment, { + start, + end: start + count - 1 + }); + } + return !!loop; + } + draw(ctx, chartArea, start, count) { + const options = this.options || {}; + const points = this.points || []; + if (points.length && options.borderWidth) { + ctx.save(); + draw(ctx, this, start, count); + ctx.restore(); + } + if (this.animated) { + this._pointsUpdated = false; + this._path = undefined; + } + } +} + +function inRange$1(el, pos, axis, useFinalPosition) { + const options = el.options; + const { [axis]: value } = el.getProps([ + axis + ], useFinalPosition); + return Math.abs(pos - value) < options.radius + options.hitRadius; +} +class PointElement extends Element { + static id = 'point'; + parsed; + skip; + stop; + /** + * @type {any} + */ static defaults = { + borderWidth: 1, + hitRadius: 1, + hoverBorderWidth: 1, + hoverRadius: 4, + pointStyle: 'circle', + radius: 3, + rotation: 0 + }; + /** + * @type {any} + */ static defaultRoutes = { + backgroundColor: 'backgroundColor', + borderColor: 'borderColor' + }; + constructor(cfg){ + super(); + this.options = undefined; + this.parsed = undefined; + this.skip = undefined; + this.stop = undefined; + if (cfg) { + Object.assign(this, cfg); + } + } + inRange(mouseX, mouseY, useFinalPosition) { + const options = this.options; + const { x , y } = this.getProps([ + 'x', + 'y' + ], useFinalPosition); + return Math.pow(mouseX - x, 2) + Math.pow(mouseY - y, 2) < Math.pow(options.hitRadius + options.radius, 2); + } + inXRange(mouseX, useFinalPosition) { + return inRange$1(this, mouseX, 'x', useFinalPosition); + } + inYRange(mouseY, useFinalPosition) { + return inRange$1(this, mouseY, 'y', useFinalPosition); + } + getCenterPoint(useFinalPosition) { + const { x , y } = this.getProps([ + 'x', + 'y' + ], useFinalPosition); + return { + x, + y + }; + } + size(options) { + options = options || this.options || {}; + let radius = options.radius || 0; + radius = Math.max(radius, radius && options.hoverRadius || 0); + const borderWidth = radius && options.borderWidth || 0; + return (radius + borderWidth) * 2; + } + draw(ctx, area) { + const options = this.options; + if (this.skip || options.radius < 0.1 || !helpers_segment._isPointInArea(this, area, this.size(options) / 2)) { + return; + } + ctx.strokeStyle = options.borderColor; + ctx.lineWidth = options.borderWidth; + ctx.fillStyle = options.backgroundColor; + helpers_segment.drawPoint(ctx, options, this.x, this.y); + } + getRange() { + const options = this.options || {}; + // @ts-expect-error Fallbacks should never be hit in practice + return options.radius + options.hitRadius; + } +} + +function getBarBounds(bar, useFinalPosition) { + const { x , y , base , width , height } = bar.getProps([ + 'x', + 'y', + 'base', + 'width', + 'height' + ], useFinalPosition); + let left, right, top, bottom, half; + if (bar.horizontal) { + half = height / 2; + left = Math.min(x, base); + right = Math.max(x, base); + top = y - half; + bottom = y + half; + } else { + half = width / 2; + left = x - half; + right = x + half; + top = Math.min(y, base); + bottom = Math.max(y, base); + } + return { + left, + top, + right, + bottom + }; +} +function skipOrLimit(skip, value, min, max) { + return skip ? 0 : helpers_segment._limitValue(value, min, max); +} +function parseBorderWidth(bar, maxW, maxH) { + const value = bar.options.borderWidth; + const skip = bar.borderSkipped; + const o = helpers_segment.toTRBL(value); + return { + t: skipOrLimit(skip.top, o.top, 0, maxH), + r: skipOrLimit(skip.right, o.right, 0, maxW), + b: skipOrLimit(skip.bottom, o.bottom, 0, maxH), + l: skipOrLimit(skip.left, o.left, 0, maxW) + }; +} +function parseBorderRadius(bar, maxW, maxH) { + const { enableBorderRadius } = bar.getProps([ + 'enableBorderRadius' + ]); + const value = bar.options.borderRadius; + const o = helpers_segment.toTRBLCorners(value); + const maxR = Math.min(maxW, maxH); + const skip = bar.borderSkipped; + const enableBorder = enableBorderRadius || helpers_segment.isObject(value); + return { + topLeft: skipOrLimit(!enableBorder || skip.top || skip.left, o.topLeft, 0, maxR), + topRight: skipOrLimit(!enableBorder || skip.top || skip.right, o.topRight, 0, maxR), + bottomLeft: skipOrLimit(!enableBorder || skip.bottom || skip.left, o.bottomLeft, 0, maxR), + bottomRight: skipOrLimit(!enableBorder || skip.bottom || skip.right, o.bottomRight, 0, maxR) + }; +} +function boundingRects(bar) { + const bounds = getBarBounds(bar); + const width = bounds.right - bounds.left; + const height = bounds.bottom - bounds.top; + const border = parseBorderWidth(bar, width / 2, height / 2); + const radius = parseBorderRadius(bar, width / 2, height / 2); + return { + outer: { + x: bounds.left, + y: bounds.top, + w: width, + h: height, + radius + }, + inner: { + x: bounds.left + border.l, + y: bounds.top + border.t, + w: width - border.l - border.r, + h: height - border.t - border.b, + radius: { + topLeft: Math.max(0, radius.topLeft - Math.max(border.t, border.l)), + topRight: Math.max(0, radius.topRight - Math.max(border.t, border.r)), + bottomLeft: Math.max(0, radius.bottomLeft - Math.max(border.b, border.l)), + bottomRight: Math.max(0, radius.bottomRight - Math.max(border.b, border.r)) + } + } + }; +} +function inRange(bar, x, y, useFinalPosition) { + const skipX = x === null; + const skipY = y === null; + const skipBoth = skipX && skipY; + const bounds = bar && !skipBoth && getBarBounds(bar, useFinalPosition); + return bounds && (skipX || helpers_segment._isBetween(x, bounds.left, bounds.right)) && (skipY || helpers_segment._isBetween(y, bounds.top, bounds.bottom)); +} +function hasRadius(radius) { + return radius.topLeft || radius.topRight || radius.bottomLeft || radius.bottomRight; +} + function addNormalRectPath(ctx, rect) { + ctx.rect(rect.x, rect.y, rect.w, rect.h); +} +function inflateRect(rect, amount, refRect = {}) { + const x = rect.x !== refRect.x ? -amount : 0; + const y = rect.y !== refRect.y ? -amount : 0; + const w = (rect.x + rect.w !== refRect.x + refRect.w ? amount : 0) - x; + const h = (rect.y + rect.h !== refRect.y + refRect.h ? amount : 0) - y; + return { + x: rect.x + x, + y: rect.y + y, + w: rect.w + w, + h: rect.h + h, + radius: rect.radius + }; +} +class BarElement extends Element { + static id = 'bar'; + static defaults = { + borderSkipped: 'start', + borderWidth: 0, + borderRadius: 0, + inflateAmount: 'auto', + pointStyle: undefined + }; + static defaultRoutes = { + backgroundColor: 'backgroundColor', + borderColor: 'borderColor' + }; + constructor(cfg){ + super(); + this.options = undefined; + this.horizontal = undefined; + this.base = undefined; + this.width = undefined; + this.height = undefined; + this.inflateAmount = undefined; + if (cfg) { + Object.assign(this, cfg); + } + } + draw(ctx) { + const { inflateAmount , options: { borderColor , backgroundColor } } = this; + const { inner , outer } = boundingRects(this); + const addRectPath = hasRadius(outer.radius) ? helpers_segment.addRoundedRectPath : addNormalRectPath; + ctx.save(); + if (outer.w !== inner.w || outer.h !== inner.h) { + ctx.beginPath(); + addRectPath(ctx, inflateRect(outer, inflateAmount, inner)); + ctx.clip(); + addRectPath(ctx, inflateRect(inner, -inflateAmount, outer)); + ctx.fillStyle = borderColor; + ctx.fill('evenodd'); + } + ctx.beginPath(); + addRectPath(ctx, inflateRect(inner, inflateAmount)); + ctx.fillStyle = backgroundColor; + ctx.fill(); + ctx.restore(); + } + inRange(mouseX, mouseY, useFinalPosition) { + return inRange(this, mouseX, mouseY, useFinalPosition); + } + inXRange(mouseX, useFinalPosition) { + return inRange(this, mouseX, null, useFinalPosition); + } + inYRange(mouseY, useFinalPosition) { + return inRange(this, null, mouseY, useFinalPosition); + } + getCenterPoint(useFinalPosition) { + const { x , y , base , horizontal } = this.getProps([ + 'x', + 'y', + 'base', + 'horizontal' + ], useFinalPosition); + return { + x: horizontal ? (x + base) / 2 : x, + y: horizontal ? y : (y + base) / 2 + }; + } + getRange(axis) { + return axis === 'x' ? this.width / 2 : this.height / 2; + } +} + +var elements = /*#__PURE__*/Object.freeze({ +__proto__: null, +ArcElement: ArcElement, +BarElement: BarElement, +LineElement: LineElement, +PointElement: PointElement +}); + +const BORDER_COLORS = [ + 'rgb(54, 162, 235)', + 'rgb(255, 99, 132)', + 'rgb(255, 159, 64)', + 'rgb(255, 205, 86)', + 'rgb(75, 192, 192)', + 'rgb(153, 102, 255)', + 'rgb(201, 203, 207)' // grey +]; +// Border colors with 50% transparency +const BACKGROUND_COLORS = /* #__PURE__ */ BORDER_COLORS.map((color)=>color.replace('rgb(', 'rgba(').replace(')', ', 0.5)')); +function getBorderColor(i) { + return BORDER_COLORS[i % BORDER_COLORS.length]; +} +function getBackgroundColor(i) { + return BACKGROUND_COLORS[i % BACKGROUND_COLORS.length]; +} +function colorizeDefaultDataset(dataset, i) { + dataset.borderColor = getBorderColor(i); + dataset.backgroundColor = getBackgroundColor(i); + return ++i; +} +function colorizeDoughnutDataset(dataset, i) { + dataset.backgroundColor = dataset.data.map(()=>getBorderColor(i++)); + return i; +} +function colorizePolarAreaDataset(dataset, i) { + dataset.backgroundColor = dataset.data.map(()=>getBackgroundColor(i++)); + return i; +} +function getColorizer(chart) { + let i = 0; + return (dataset, datasetIndex)=>{ + const controller = chart.getDatasetMeta(datasetIndex).controller; + if (controller instanceof DoughnutController) { + i = colorizeDoughnutDataset(dataset, i); + } else if (controller instanceof PolarAreaController) { + i = colorizePolarAreaDataset(dataset, i); + } else if (controller) { + i = colorizeDefaultDataset(dataset, i); + } + }; +} +function containsColorsDefinitions(descriptors) { + let k; + for(k in descriptors){ + if (descriptors[k].borderColor || descriptors[k].backgroundColor) { + return true; + } + } + return false; +} +function containsColorsDefinition(descriptor) { + return descriptor && (descriptor.borderColor || descriptor.backgroundColor); +} +var plugin_colors = { + id: 'colors', + defaults: { + enabled: true, + forceOverride: false + }, + beforeLayout (chart, _args, options) { + if (!options.enabled) { + return; + } + const { data: { datasets } , options: chartOptions } = chart.config; + const { elements } = chartOptions; + if (!options.forceOverride && (containsColorsDefinitions(datasets) || containsColorsDefinition(chartOptions) || elements && containsColorsDefinitions(elements))) { + return; + } + const colorizer = getColorizer(chart); + datasets.forEach(colorizer); + } +}; + +function lttbDecimation(data, start, count, availableWidth, options) { + const samples = options.samples || availableWidth; + if (samples >= count) { + return data.slice(start, start + count); + } + const decimated = []; + const bucketWidth = (count - 2) / (samples - 2); + let sampledIndex = 0; + const endIndex = start + count - 1; + let a = start; + let i, maxAreaPoint, maxArea, area, nextA; + decimated[sampledIndex++] = data[a]; + for(i = 0; i < samples - 2; i++){ + let avgX = 0; + let avgY = 0; + let j; + const avgRangeStart = Math.floor((i + 1) * bucketWidth) + 1 + start; + const avgRangeEnd = Math.min(Math.floor((i + 2) * bucketWidth) + 1, count) + start; + const avgRangeLength = avgRangeEnd - avgRangeStart; + for(j = avgRangeStart; j < avgRangeEnd; j++){ + avgX += data[j].x; + avgY += data[j].y; + } + avgX /= avgRangeLength; + avgY /= avgRangeLength; + const rangeOffs = Math.floor(i * bucketWidth) + 1 + start; + const rangeTo = Math.min(Math.floor((i + 1) * bucketWidth) + 1, count) + start; + const { x: pointAx , y: pointAy } = data[a]; + maxArea = area = -1; + for(j = rangeOffs; j < rangeTo; j++){ + area = 0.5 * Math.abs((pointAx - avgX) * (data[j].y - pointAy) - (pointAx - data[j].x) * (avgY - pointAy)); + if (area > maxArea) { + maxArea = area; + maxAreaPoint = data[j]; + nextA = j; + } + } + decimated[sampledIndex++] = maxAreaPoint; + a = nextA; + } + decimated[sampledIndex++] = data[endIndex]; + return decimated; +} +function minMaxDecimation(data, start, count, availableWidth) { + let avgX = 0; + let countX = 0; + let i, point, x, y, prevX, minIndex, maxIndex, startIndex, minY, maxY; + const decimated = []; + const endIndex = start + count - 1; + const xMin = data[start].x; + const xMax = data[endIndex].x; + const dx = xMax - xMin; + for(i = start; i < start + count; ++i){ + point = data[i]; + x = (point.x - xMin) / dx * availableWidth; + y = point.y; + const truncX = x | 0; + if (truncX === prevX) { + if (y < minY) { + minY = y; + minIndex = i; + } else if (y > maxY) { + maxY = y; + maxIndex = i; + } + avgX = (countX * avgX + point.x) / ++countX; + } else { + const lastIndex = i - 1; + if (!helpers_segment.isNullOrUndef(minIndex) && !helpers_segment.isNullOrUndef(maxIndex)) { + const intermediateIndex1 = Math.min(minIndex, maxIndex); + const intermediateIndex2 = Math.max(minIndex, maxIndex); + if (intermediateIndex1 !== startIndex && intermediateIndex1 !== lastIndex) { + decimated.push({ + ...data[intermediateIndex1], + x: avgX + }); + } + if (intermediateIndex2 !== startIndex && intermediateIndex2 !== lastIndex) { + decimated.push({ + ...data[intermediateIndex2], + x: avgX + }); + } + } + if (i > 0 && lastIndex !== startIndex) { + decimated.push(data[lastIndex]); + } + decimated.push(point); + prevX = truncX; + countX = 0; + minY = maxY = y; + minIndex = maxIndex = startIndex = i; + } + } + return decimated; +} +function cleanDecimatedDataset(dataset) { + if (dataset._decimated) { + const data = dataset._data; + delete dataset._decimated; + delete dataset._data; + Object.defineProperty(dataset, 'data', { + configurable: true, + enumerable: true, + writable: true, + value: data + }); + } +} +function cleanDecimatedData(chart) { + chart.data.datasets.forEach((dataset)=>{ + cleanDecimatedDataset(dataset); + }); +} +function getStartAndCountOfVisiblePointsSimplified(meta, points) { + const pointCount = points.length; + let start = 0; + let count; + const { iScale } = meta; + const { min , max , minDefined , maxDefined } = iScale.getUserBounds(); + if (minDefined) { + start = helpers_segment._limitValue(helpers_segment._lookupByKey(points, iScale.axis, min).lo, 0, pointCount - 1); + } + if (maxDefined) { + count = helpers_segment._limitValue(helpers_segment._lookupByKey(points, iScale.axis, max).hi + 1, start, pointCount) - start; + } else { + count = pointCount - start; + } + return { + start, + count + }; +} +var plugin_decimation = { + id: 'decimation', + defaults: { + algorithm: 'min-max', + enabled: false + }, + beforeElementsUpdate: (chart, args, options)=>{ + if (!options.enabled) { + cleanDecimatedData(chart); + return; + } + const availableWidth = chart.width; + chart.data.datasets.forEach((dataset, datasetIndex)=>{ + const { _data , indexAxis } = dataset; + const meta = chart.getDatasetMeta(datasetIndex); + const data = _data || dataset.data; + if (helpers_segment.resolve([ + indexAxis, + chart.options.indexAxis + ]) === 'y') { + return; + } + if (!meta.controller.supportsDecimation) { + return; + } + const xAxis = chart.scales[meta.xAxisID]; + if (xAxis.type !== 'linear' && xAxis.type !== 'time') { + return; + } + if (chart.options.parsing) { + return; + } + let { start , count } = getStartAndCountOfVisiblePointsSimplified(meta, data); + const threshold = options.threshold || 4 * availableWidth; + if (count <= threshold) { + cleanDecimatedDataset(dataset); + return; + } + if (helpers_segment.isNullOrUndef(_data)) { + dataset._data = data; + delete dataset.data; + Object.defineProperty(dataset, 'data', { + configurable: true, + enumerable: true, + get: function() { + return this._decimated; + }, + set: function(d) { + this._data = d; + } + }); + } + let decimated; + switch(options.algorithm){ + case 'lttb': + decimated = lttbDecimation(data, start, count, availableWidth, options); + break; + case 'min-max': + decimated = minMaxDecimation(data, start, count, availableWidth); + break; + default: + throw new Error(`Unsupported decimation algorithm '${options.algorithm}'`); + } + dataset._decimated = decimated; + }); + }, + destroy (chart) { + cleanDecimatedData(chart); + } +}; + +function _segments(line, target, property) { + const segments = line.segments; + const points = line.points; + const tpoints = target.points; + const parts = []; + for (const segment of segments){ + let { start , end } = segment; + end = _findSegmentEnd(start, end, points); + const bounds = _getBounds(property, points[start], points[end], segment.loop); + if (!target.segments) { + parts.push({ + source: segment, + target: bounds, + start: points[start], + end: points[end] + }); + continue; + } + const targetSegments = helpers_segment._boundSegments(target, bounds); + for (const tgt of targetSegments){ + const subBounds = _getBounds(property, tpoints[tgt.start], tpoints[tgt.end], tgt.loop); + const fillSources = helpers_segment._boundSegment(segment, points, subBounds); + for (const fillSource of fillSources){ + parts.push({ + source: fillSource, + target: tgt, + start: { + [property]: _getEdge(bounds, subBounds, 'start', Math.max) + }, + end: { + [property]: _getEdge(bounds, subBounds, 'end', Math.min) + } + }); + } + } + } + return parts; +} +function _getBounds(property, first, last, loop) { + if (loop) { + return; + } + let start = first[property]; + let end = last[property]; + if (property === 'angle') { + start = helpers_segment._normalizeAngle(start); + end = helpers_segment._normalizeAngle(end); + } + return { + property, + start, + end + }; +} +function _pointsFromSegments(boundary, line) { + const { x =null , y =null } = boundary || {}; + const linePoints = line.points; + const points = []; + line.segments.forEach(({ start , end })=>{ + end = _findSegmentEnd(start, end, linePoints); + const first = linePoints[start]; + const last = linePoints[end]; + if (y !== null) { + points.push({ + x: first.x, + y + }); + points.push({ + x: last.x, + y + }); + } else if (x !== null) { + points.push({ + x, + y: first.y + }); + points.push({ + x, + y: last.y + }); + } + }); + return points; +} +function _findSegmentEnd(start, end, points) { + for(; end > start; end--){ + const point = points[end]; + if (!isNaN(point.x) && !isNaN(point.y)) { + break; + } + } + return end; +} +function _getEdge(a, b, prop, fn) { + if (a && b) { + return fn(a[prop], b[prop]); + } + return a ? a[prop] : b ? b[prop] : 0; +} + +function _createBoundaryLine(boundary, line) { + let points = []; + let _loop = false; + if (helpers_segment.isArray(boundary)) { + _loop = true; + points = boundary; + } else { + points = _pointsFromSegments(boundary, line); + } + return points.length ? new LineElement({ + points, + options: { + tension: 0 + }, + _loop, + _fullLoop: _loop + }) : null; +} +function _shouldApplyFill(source) { + return source && source.fill !== false; +} + +function _resolveTarget(sources, index, propagate) { + const source = sources[index]; + let fill = source.fill; + const visited = [ + index + ]; + let target; + if (!propagate) { + return fill; + } + while(fill !== false && visited.indexOf(fill) === -1){ + if (!helpers_segment.isNumberFinite(fill)) { + return fill; + } + target = sources[fill]; + if (!target) { + return false; + } + if (target.visible) { + return fill; + } + visited.push(fill); + fill = target.fill; + } + return false; +} + function _decodeFill(line, index, count) { + const fill = parseFillOption(line); + if (helpers_segment.isObject(fill)) { + return isNaN(fill.value) ? false : fill; + } + let target = parseFloat(fill); + if (helpers_segment.isNumberFinite(target) && Math.floor(target) === target) { + return decodeTargetIndex(fill[0], index, target, count); + } + return [ + 'origin', + 'start', + 'end', + 'stack', + 'shape' + ].indexOf(fill) >= 0 && fill; +} +function decodeTargetIndex(firstCh, index, target, count) { + if (firstCh === '-' || firstCh === '+') { + target = index + target; + } + if (target === index || target < 0 || target >= count) { + return false; + } + return target; +} + function _getTargetPixel(fill, scale) { + let pixel = null; + if (fill === 'start') { + pixel = scale.bottom; + } else if (fill === 'end') { + pixel = scale.top; + } else if (helpers_segment.isObject(fill)) { + pixel = scale.getPixelForValue(fill.value); + } else if (scale.getBasePixel) { + pixel = scale.getBasePixel(); + } + return pixel; +} + function _getTargetValue(fill, scale, startValue) { + let value; + if (fill === 'start') { + value = startValue; + } else if (fill === 'end') { + value = scale.options.reverse ? scale.min : scale.max; + } else if (helpers_segment.isObject(fill)) { + value = fill.value; + } else { + value = scale.getBaseValue(); + } + return value; +} + function parseFillOption(line) { + const options = line.options; + const fillOption = options.fill; + let fill = helpers_segment.valueOrDefault(fillOption && fillOption.target, fillOption); + if (fill === undefined) { + fill = !!options.backgroundColor; + } + if (fill === false || fill === null) { + return false; + } + if (fill === true) { + return 'origin'; + } + return fill; +} + +function _buildStackLine(source) { + const { scale , index , line } = source; + const points = []; + const segments = line.segments; + const sourcePoints = line.points; + const linesBelow = getLinesBelow(scale, index); + linesBelow.push(_createBoundaryLine({ + x: null, + y: scale.bottom + }, line)); + for(let i = 0; i < segments.length; i++){ + const segment = segments[i]; + for(let j = segment.start; j <= segment.end; j++){ + addPointsBelow(points, sourcePoints[j], linesBelow); + } + } + return new LineElement({ + points, + options: {} + }); +} + function getLinesBelow(scale, index) { + const below = []; + const metas = scale.getMatchingVisibleMetas('line'); + for(let i = 0; i < metas.length; i++){ + const meta = metas[i]; + if (meta.index === index) { + break; + } + if (!meta.hidden) { + below.unshift(meta.dataset); + } + } + return below; +} + function addPointsBelow(points, sourcePoint, linesBelow) { + const postponed = []; + for(let j = 0; j < linesBelow.length; j++){ + const line = linesBelow[j]; + const { first , last , point } = findPoint(line, sourcePoint, 'x'); + if (!point || first && last) { + continue; + } + if (first) { + postponed.unshift(point); + } else { + points.push(point); + if (!last) { + break; + } + } + } + points.push(...postponed); +} + function findPoint(line, sourcePoint, property) { + const point = line.interpolate(sourcePoint, property); + if (!point) { + return {}; + } + const pointValue = point[property]; + const segments = line.segments; + const linePoints = line.points; + let first = false; + let last = false; + for(let i = 0; i < segments.length; i++){ + const segment = segments[i]; + const firstValue = linePoints[segment.start][property]; + const lastValue = linePoints[segment.end][property]; + if (helpers_segment._isBetween(pointValue, firstValue, lastValue)) { + first = pointValue === firstValue; + last = pointValue === lastValue; + break; + } + } + return { + first, + last, + point + }; +} + +class simpleArc { + constructor(opts){ + this.x = opts.x; + this.y = opts.y; + this.radius = opts.radius; + } + pathSegment(ctx, bounds, opts) { + const { x , y , radius } = this; + bounds = bounds || { + start: 0, + end: helpers_segment.TAU + }; + ctx.arc(x, y, radius, bounds.end, bounds.start, true); + return !opts.bounds; + } + interpolate(point) { + const { x , y , radius } = this; + const angle = point.angle; + return { + x: x + Math.cos(angle) * radius, + y: y + Math.sin(angle) * radius, + angle + }; + } +} + +function _getTarget(source) { + const { chart , fill , line } = source; + if (helpers_segment.isNumberFinite(fill)) { + return getLineByIndex(chart, fill); + } + if (fill === 'stack') { + return _buildStackLine(source); + } + if (fill === 'shape') { + return true; + } + const boundary = computeBoundary(source); + if (boundary instanceof simpleArc) { + return boundary; + } + return _createBoundaryLine(boundary, line); +} + function getLineByIndex(chart, index) { + const meta = chart.getDatasetMeta(index); + const visible = meta && chart.isDatasetVisible(index); + return visible ? meta.dataset : null; +} +function computeBoundary(source) { + const scale = source.scale || {}; + if (scale.getPointPositionForValue) { + return computeCircularBoundary(source); + } + return computeLinearBoundary(source); +} +function computeLinearBoundary(source) { + const { scale ={} , fill } = source; + const pixel = _getTargetPixel(fill, scale); + if (helpers_segment.isNumberFinite(pixel)) { + const horizontal = scale.isHorizontal(); + return { + x: horizontal ? pixel : null, + y: horizontal ? null : pixel + }; + } + return null; +} +function computeCircularBoundary(source) { + const { scale , fill } = source; + const options = scale.options; + const length = scale.getLabels().length; + const start = options.reverse ? scale.max : scale.min; + const value = _getTargetValue(fill, scale, start); + const target = []; + if (options.grid.circular) { + const center = scale.getPointPositionForValue(0, start); + return new simpleArc({ + x: center.x, + y: center.y, + radius: scale.getDistanceFromCenterForValue(value) + }); + } + for(let i = 0; i < length; ++i){ + target.push(scale.getPointPositionForValue(i, value)); + } + return target; +} + +function _drawfill(ctx, source, area) { + const target = _getTarget(source); + const { line , scale , axis } = source; + const lineOpts = line.options; + const fillOption = lineOpts.fill; + const color = lineOpts.backgroundColor; + const { above =color , below =color } = fillOption || {}; + if (target && line.points.length) { + helpers_segment.clipArea(ctx, area); + doFill(ctx, { + line, + target, + above, + below, + area, + scale, + axis + }); + helpers_segment.unclipArea(ctx); + } +} +function doFill(ctx, cfg) { + const { line , target , above , below , area , scale } = cfg; + const property = line._loop ? 'angle' : cfg.axis; + ctx.save(); + if (property === 'x' && below !== above) { + clipVertical(ctx, target, area.top); + fill(ctx, { + line, + target, + color: above, + scale, + property + }); + ctx.restore(); + ctx.save(); + clipVertical(ctx, target, area.bottom); + } + fill(ctx, { + line, + target, + color: below, + scale, + property + }); + ctx.restore(); +} +function clipVertical(ctx, target, clipY) { + const { segments , points } = target; + let first = true; + let lineLoop = false; + ctx.beginPath(); + for (const segment of segments){ + const { start , end } = segment; + const firstPoint = points[start]; + const lastPoint = points[_findSegmentEnd(start, end, points)]; + if (first) { + ctx.moveTo(firstPoint.x, firstPoint.y); + first = false; + } else { + ctx.lineTo(firstPoint.x, clipY); + ctx.lineTo(firstPoint.x, firstPoint.y); + } + lineLoop = !!target.pathSegment(ctx, segment, { + move: lineLoop + }); + if (lineLoop) { + ctx.closePath(); + } else { + ctx.lineTo(lastPoint.x, clipY); + } + } + ctx.lineTo(target.first().x, clipY); + ctx.closePath(); + ctx.clip(); +} +function fill(ctx, cfg) { + const { line , target , property , color , scale } = cfg; + const segments = _segments(line, target, property); + for (const { source: src , target: tgt , start , end } of segments){ + const { style: { backgroundColor =color } = {} } = src; + const notShape = target !== true; + ctx.save(); + ctx.fillStyle = backgroundColor; + clipBounds(ctx, scale, notShape && _getBounds(property, start, end)); + ctx.beginPath(); + const lineLoop = !!line.pathSegment(ctx, src); + let loop; + if (notShape) { + if (lineLoop) { + ctx.closePath(); + } else { + interpolatedLineTo(ctx, target, end, property); + } + const targetLoop = !!target.pathSegment(ctx, tgt, { + move: lineLoop, + reverse: true + }); + loop = lineLoop && targetLoop; + if (!loop) { + interpolatedLineTo(ctx, target, start, property); + } + } + ctx.closePath(); + ctx.fill(loop ? 'evenodd' : 'nonzero'); + ctx.restore(); + } +} +function clipBounds(ctx, scale, bounds) { + const { top , bottom } = scale.chart.chartArea; + const { property , start , end } = bounds || {}; + if (property === 'x') { + ctx.beginPath(); + ctx.rect(start, top, end - start, bottom - top); + ctx.clip(); + } +} +function interpolatedLineTo(ctx, target, point, property) { + const interpolatedPoint = target.interpolate(point, property); + if (interpolatedPoint) { + ctx.lineTo(interpolatedPoint.x, interpolatedPoint.y); + } +} + +var index = { + id: 'filler', + afterDatasetsUpdate (chart, _args, options) { + const count = (chart.data.datasets || []).length; + const sources = []; + let meta, i, line, source; + for(i = 0; i < count; ++i){ + meta = chart.getDatasetMeta(i); + line = meta.dataset; + source = null; + if (line && line.options && line instanceof LineElement) { + source = { + visible: chart.isDatasetVisible(i), + index: i, + fill: _decodeFill(line, i, count), + chart, + axis: meta.controller.options.indexAxis, + scale: meta.vScale, + line + }; + } + meta.$filler = source; + sources.push(source); + } + for(i = 0; i < count; ++i){ + source = sources[i]; + if (!source || source.fill === false) { + continue; + } + source.fill = _resolveTarget(sources, i, options.propagate); + } + }, + beforeDraw (chart, _args, options) { + const draw = options.drawTime === 'beforeDraw'; + const metasets = chart.getSortedVisibleDatasetMetas(); + const area = chart.chartArea; + for(let i = metasets.length - 1; i >= 0; --i){ + const source = metasets[i].$filler; + if (!source) { + continue; + } + source.line.updateControlPoints(area, source.axis); + if (draw && source.fill) { + _drawfill(chart.ctx, source, area); + } + } + }, + beforeDatasetsDraw (chart, _args, options) { + if (options.drawTime !== 'beforeDatasetsDraw') { + return; + } + const metasets = chart.getSortedVisibleDatasetMetas(); + for(let i = metasets.length - 1; i >= 0; --i){ + const source = metasets[i].$filler; + if (_shouldApplyFill(source)) { + _drawfill(chart.ctx, source, chart.chartArea); + } + } + }, + beforeDatasetDraw (chart, args, options) { + const source = args.meta.$filler; + if (!_shouldApplyFill(source) || options.drawTime !== 'beforeDatasetDraw') { + return; + } + _drawfill(chart.ctx, source, chart.chartArea); + }, + defaults: { + propagate: true, + drawTime: 'beforeDatasetDraw' + } +}; + +const getBoxSize = (labelOpts, fontSize)=>{ + let { boxHeight =fontSize , boxWidth =fontSize } = labelOpts; + if (labelOpts.usePointStyle) { + boxHeight = Math.min(boxHeight, fontSize); + boxWidth = labelOpts.pointStyleWidth || Math.min(boxWidth, fontSize); + } + return { + boxWidth, + boxHeight, + itemHeight: Math.max(fontSize, boxHeight) + }; +}; +const itemsEqual = (a, b)=>a !== null && b !== null && a.datasetIndex === b.datasetIndex && a.index === b.index; +class Legend extends Element { + constructor(config){ + super(); + this._added = false; + this.legendHitBoxes = []; + this._hoveredItem = null; + this.doughnutMode = false; + this.chart = config.chart; + this.options = config.options; + this.ctx = config.ctx; + this.legendItems = undefined; + this.columnSizes = undefined; + this.lineWidths = undefined; + this.maxHeight = undefined; + this.maxWidth = undefined; + this.top = undefined; + this.bottom = undefined; + this.left = undefined; + this.right = undefined; + this.height = undefined; + this.width = undefined; + this._margins = undefined; + this.position = undefined; + this.weight = undefined; + this.fullSize = undefined; + } + update(maxWidth, maxHeight, margins) { + this.maxWidth = maxWidth; + this.maxHeight = maxHeight; + this._margins = margins; + this.setDimensions(); + this.buildLabels(); + this.fit(); + } + setDimensions() { + if (this.isHorizontal()) { + this.width = this.maxWidth; + this.left = this._margins.left; + this.right = this.width; + } else { + this.height = this.maxHeight; + this.top = this._margins.top; + this.bottom = this.height; + } + } + buildLabels() { + const labelOpts = this.options.labels || {}; + let legendItems = helpers_segment.callback(labelOpts.generateLabels, [ + this.chart + ], this) || []; + if (labelOpts.filter) { + legendItems = legendItems.filter((item)=>labelOpts.filter(item, this.chart.data)); + } + if (labelOpts.sort) { + legendItems = legendItems.sort((a, b)=>labelOpts.sort(a, b, this.chart.data)); + } + if (this.options.reverse) { + legendItems.reverse(); + } + this.legendItems = legendItems; + } + fit() { + const { options , ctx } = this; + if (!options.display) { + this.width = this.height = 0; + return; + } + const labelOpts = options.labels; + const labelFont = helpers_segment.toFont(labelOpts.font); + const fontSize = labelFont.size; + const titleHeight = this._computeTitleHeight(); + const { boxWidth , itemHeight } = getBoxSize(labelOpts, fontSize); + let width, height; + ctx.font = labelFont.string; + if (this.isHorizontal()) { + width = this.maxWidth; + height = this._fitRows(titleHeight, fontSize, boxWidth, itemHeight) + 10; + } else { + height = this.maxHeight; + width = this._fitCols(titleHeight, labelFont, boxWidth, itemHeight) + 10; + } + this.width = Math.min(width, options.maxWidth || this.maxWidth); + this.height = Math.min(height, options.maxHeight || this.maxHeight); + } + _fitRows(titleHeight, fontSize, boxWidth, itemHeight) { + const { ctx , maxWidth , options: { labels: { padding } } } = this; + const hitboxes = this.legendHitBoxes = []; + const lineWidths = this.lineWidths = [ + 0 + ]; + const lineHeight = itemHeight + padding; + let totalHeight = titleHeight; + ctx.textAlign = 'left'; + ctx.textBaseline = 'middle'; + let row = -1; + let top = -lineHeight; + this.legendItems.forEach((legendItem, i)=>{ + const itemWidth = boxWidth + fontSize / 2 + ctx.measureText(legendItem.text).width; + if (i === 0 || lineWidths[lineWidths.length - 1] + itemWidth + 2 * padding > maxWidth) { + totalHeight += lineHeight; + lineWidths[lineWidths.length - (i > 0 ? 0 : 1)] = 0; + top += lineHeight; + row++; + } + hitboxes[i] = { + left: 0, + top, + row, + width: itemWidth, + height: itemHeight + }; + lineWidths[lineWidths.length - 1] += itemWidth + padding; + }); + return totalHeight; + } + _fitCols(titleHeight, labelFont, boxWidth, _itemHeight) { + const { ctx , maxHeight , options: { labels: { padding } } } = this; + const hitboxes = this.legendHitBoxes = []; + const columnSizes = this.columnSizes = []; + const heightLimit = maxHeight - titleHeight; + let totalWidth = padding; + let currentColWidth = 0; + let currentColHeight = 0; + let left = 0; + let col = 0; + this.legendItems.forEach((legendItem, i)=>{ + const { itemWidth , itemHeight } = calculateItemSize(boxWidth, labelFont, ctx, legendItem, _itemHeight); + if (i > 0 && currentColHeight + itemHeight + 2 * padding > heightLimit) { + totalWidth += currentColWidth + padding; + columnSizes.push({ + width: currentColWidth, + height: currentColHeight + }); + left += currentColWidth + padding; + col++; + currentColWidth = currentColHeight = 0; + } + hitboxes[i] = { + left, + top: currentColHeight, + col, + width: itemWidth, + height: itemHeight + }; + currentColWidth = Math.max(currentColWidth, itemWidth); + currentColHeight += itemHeight + padding; + }); + totalWidth += currentColWidth; + columnSizes.push({ + width: currentColWidth, + height: currentColHeight + }); + return totalWidth; + } + adjustHitBoxes() { + if (!this.options.display) { + return; + } + const titleHeight = this._computeTitleHeight(); + const { legendHitBoxes: hitboxes , options: { align , labels: { padding } , rtl } } = this; + const rtlHelper = helpers_segment.getRtlAdapter(rtl, this.left, this.width); + if (this.isHorizontal()) { + let row = 0; + let left = helpers_segment._alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]); + for (const hitbox of hitboxes){ + if (row !== hitbox.row) { + row = hitbox.row; + left = helpers_segment._alignStartEnd(align, this.left + padding, this.right - this.lineWidths[row]); + } + hitbox.top += this.top + titleHeight + padding; + hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(left), hitbox.width); + left += hitbox.width + padding; + } + } else { + let col = 0; + let top = helpers_segment._alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height); + for (const hitbox of hitboxes){ + if (hitbox.col !== col) { + col = hitbox.col; + top = helpers_segment._alignStartEnd(align, this.top + titleHeight + padding, this.bottom - this.columnSizes[col].height); + } + hitbox.top = top; + hitbox.left += this.left + padding; + hitbox.left = rtlHelper.leftForLtr(rtlHelper.x(hitbox.left), hitbox.width); + top += hitbox.height + padding; + } + } + } + isHorizontal() { + return this.options.position === 'top' || this.options.position === 'bottom'; + } + draw() { + if (this.options.display) { + const ctx = this.ctx; + helpers_segment.clipArea(ctx, this); + this._draw(); + helpers_segment.unclipArea(ctx); + } + } + _draw() { + const { options: opts , columnSizes , lineWidths , ctx } = this; + const { align , labels: labelOpts } = opts; + const defaultColor = helpers_segment.defaults.color; + const rtlHelper = helpers_segment.getRtlAdapter(opts.rtl, this.left, this.width); + const labelFont = helpers_segment.toFont(labelOpts.font); + const { padding } = labelOpts; + const fontSize = labelFont.size; + const halfFontSize = fontSize / 2; + let cursor; + this.drawTitle(); + ctx.textAlign = rtlHelper.textAlign('left'); + ctx.textBaseline = 'middle'; + ctx.lineWidth = 0.5; + ctx.font = labelFont.string; + const { boxWidth , boxHeight , itemHeight } = getBoxSize(labelOpts, fontSize); + const drawLegendBox = function(x, y, legendItem) { + if (isNaN(boxWidth) || boxWidth <= 0 || isNaN(boxHeight) || boxHeight < 0) { + return; + } + ctx.save(); + const lineWidth = helpers_segment.valueOrDefault(legendItem.lineWidth, 1); + ctx.fillStyle = helpers_segment.valueOrDefault(legendItem.fillStyle, defaultColor); + ctx.lineCap = helpers_segment.valueOrDefault(legendItem.lineCap, 'butt'); + ctx.lineDashOffset = helpers_segment.valueOrDefault(legendItem.lineDashOffset, 0); + ctx.lineJoin = helpers_segment.valueOrDefault(legendItem.lineJoin, 'miter'); + ctx.lineWidth = lineWidth; + ctx.strokeStyle = helpers_segment.valueOrDefault(legendItem.strokeStyle, defaultColor); + ctx.setLineDash(helpers_segment.valueOrDefault(legendItem.lineDash, [])); + if (labelOpts.usePointStyle) { + const drawOptions = { + radius: boxHeight * Math.SQRT2 / 2, + pointStyle: legendItem.pointStyle, + rotation: legendItem.rotation, + borderWidth: lineWidth + }; + const centerX = rtlHelper.xPlus(x, boxWidth / 2); + const centerY = y + halfFontSize; + helpers_segment.drawPointLegend(ctx, drawOptions, centerX, centerY, labelOpts.pointStyleWidth && boxWidth); + } else { + const yBoxTop = y + Math.max((fontSize - boxHeight) / 2, 0); + const xBoxLeft = rtlHelper.leftForLtr(x, boxWidth); + const borderRadius = helpers_segment.toTRBLCorners(legendItem.borderRadius); + ctx.beginPath(); + if (Object.values(borderRadius).some((v)=>v !== 0)) { + helpers_segment.addRoundedRectPath(ctx, { + x: xBoxLeft, + y: yBoxTop, + w: boxWidth, + h: boxHeight, + radius: borderRadius + }); + } else { + ctx.rect(xBoxLeft, yBoxTop, boxWidth, boxHeight); + } + ctx.fill(); + if (lineWidth !== 0) { + ctx.stroke(); + } + } + ctx.restore(); + }; + const fillText = function(x, y, legendItem) { + helpers_segment.renderText(ctx, legendItem.text, x, y + itemHeight / 2, labelFont, { + strikethrough: legendItem.hidden, + textAlign: rtlHelper.textAlign(legendItem.textAlign) + }); + }; + const isHorizontal = this.isHorizontal(); + const titleHeight = this._computeTitleHeight(); + if (isHorizontal) { + cursor = { + x: helpers_segment._alignStartEnd(align, this.left + padding, this.right - lineWidths[0]), + y: this.top + padding + titleHeight, + line: 0 + }; + } else { + cursor = { + x: this.left + padding, + y: helpers_segment._alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[0].height), + line: 0 + }; + } + helpers_segment.overrideTextDirection(this.ctx, opts.textDirection); + const lineHeight = itemHeight + padding; + this.legendItems.forEach((legendItem, i)=>{ + ctx.strokeStyle = legendItem.fontColor; + ctx.fillStyle = legendItem.fontColor; + const textWidth = ctx.measureText(legendItem.text).width; + const textAlign = rtlHelper.textAlign(legendItem.textAlign || (legendItem.textAlign = labelOpts.textAlign)); + const width = boxWidth + halfFontSize + textWidth; + let x = cursor.x; + let y = cursor.y; + rtlHelper.setWidth(this.width); + if (isHorizontal) { + if (i > 0 && x + width + padding > this.right) { + y = cursor.y += lineHeight; + cursor.line++; + x = cursor.x = helpers_segment._alignStartEnd(align, this.left + padding, this.right - lineWidths[cursor.line]); + } + } else if (i > 0 && y + lineHeight > this.bottom) { + x = cursor.x = x + columnSizes[cursor.line].width + padding; + cursor.line++; + y = cursor.y = helpers_segment._alignStartEnd(align, this.top + titleHeight + padding, this.bottom - columnSizes[cursor.line].height); + } + const realX = rtlHelper.x(x); + drawLegendBox(realX, y, legendItem); + x = helpers_segment._textX(textAlign, x + boxWidth + halfFontSize, isHorizontal ? x + width : this.right, opts.rtl); + fillText(rtlHelper.x(x), y, legendItem); + if (isHorizontal) { + cursor.x += width + padding; + } else if (typeof legendItem.text !== 'string') { + const fontLineHeight = labelFont.lineHeight; + cursor.y += calculateLegendItemHeight(legendItem, fontLineHeight) + padding; + } else { + cursor.y += lineHeight; + } + }); + helpers_segment.restoreTextDirection(this.ctx, opts.textDirection); + } + drawTitle() { + const opts = this.options; + const titleOpts = opts.title; + const titleFont = helpers_segment.toFont(titleOpts.font); + const titlePadding = helpers_segment.toPadding(titleOpts.padding); + if (!titleOpts.display) { + return; + } + const rtlHelper = helpers_segment.getRtlAdapter(opts.rtl, this.left, this.width); + const ctx = this.ctx; + const position = titleOpts.position; + const halfFontSize = titleFont.size / 2; + const topPaddingPlusHalfFontSize = titlePadding.top + halfFontSize; + let y; + let left = this.left; + let maxWidth = this.width; + if (this.isHorizontal()) { + maxWidth = Math.max(...this.lineWidths); + y = this.top + topPaddingPlusHalfFontSize; + left = helpers_segment._alignStartEnd(opts.align, left, this.right - maxWidth); + } else { + const maxHeight = this.columnSizes.reduce((acc, size)=>Math.max(acc, size.height), 0); + y = topPaddingPlusHalfFontSize + helpers_segment._alignStartEnd(opts.align, this.top, this.bottom - maxHeight - opts.labels.padding - this._computeTitleHeight()); + } + const x = helpers_segment._alignStartEnd(position, left, left + maxWidth); + ctx.textAlign = rtlHelper.textAlign(helpers_segment._toLeftRightCenter(position)); + ctx.textBaseline = 'middle'; + ctx.strokeStyle = titleOpts.color; + ctx.fillStyle = titleOpts.color; + ctx.font = titleFont.string; + helpers_segment.renderText(ctx, titleOpts.text, x, y, titleFont); + } + _computeTitleHeight() { + const titleOpts = this.options.title; + const titleFont = helpers_segment.toFont(titleOpts.font); + const titlePadding = helpers_segment.toPadding(titleOpts.padding); + return titleOpts.display ? titleFont.lineHeight + titlePadding.height : 0; + } + _getLegendItemAt(x, y) { + let i, hitBox, lh; + if (helpers_segment._isBetween(x, this.left, this.right) && helpers_segment._isBetween(y, this.top, this.bottom)) { + lh = this.legendHitBoxes; + for(i = 0; i < lh.length; ++i){ + hitBox = lh[i]; + if (helpers_segment._isBetween(x, hitBox.left, hitBox.left + hitBox.width) && helpers_segment._isBetween(y, hitBox.top, hitBox.top + hitBox.height)) { + return this.legendItems[i]; + } + } + } + return null; + } + handleEvent(e) { + const opts = this.options; + if (!isListened(e.type, opts)) { + return; + } + const hoveredItem = this._getLegendItemAt(e.x, e.y); + if (e.type === 'mousemove' || e.type === 'mouseout') { + const previous = this._hoveredItem; + const sameItem = itemsEqual(previous, hoveredItem); + if (previous && !sameItem) { + helpers_segment.callback(opts.onLeave, [ + e, + previous, + this + ], this); + } + this._hoveredItem = hoveredItem; + if (hoveredItem && !sameItem) { + helpers_segment.callback(opts.onHover, [ + e, + hoveredItem, + this + ], this); + } + } else if (hoveredItem) { + helpers_segment.callback(opts.onClick, [ + e, + hoveredItem, + this + ], this); + } + } +} +function calculateItemSize(boxWidth, labelFont, ctx, legendItem, _itemHeight) { + const itemWidth = calculateItemWidth(legendItem, boxWidth, labelFont, ctx); + const itemHeight = calculateItemHeight(_itemHeight, legendItem, labelFont.lineHeight); + return { + itemWidth, + itemHeight + }; +} +function calculateItemWidth(legendItem, boxWidth, labelFont, ctx) { + let legendItemText = legendItem.text; + if (legendItemText && typeof legendItemText !== 'string') { + legendItemText = legendItemText.reduce((a, b)=>a.length > b.length ? a : b); + } + return boxWidth + labelFont.size / 2 + ctx.measureText(legendItemText).width; +} +function calculateItemHeight(_itemHeight, legendItem, fontLineHeight) { + let itemHeight = _itemHeight; + if (typeof legendItem.text !== 'string') { + itemHeight = calculateLegendItemHeight(legendItem, fontLineHeight); + } + return itemHeight; +} +function calculateLegendItemHeight(legendItem, fontLineHeight) { + const labelHeight = legendItem.text ? legendItem.text.length : 0; + return fontLineHeight * labelHeight; +} +function isListened(type, opts) { + if ((type === 'mousemove' || type === 'mouseout') && (opts.onHover || opts.onLeave)) { + return true; + } + if (opts.onClick && (type === 'click' || type === 'mouseup')) { + return true; + } + return false; +} +var plugin_legend = { + id: 'legend', + _element: Legend, + start (chart, _args, options) { + const legend = chart.legend = new Legend({ + ctx: chart.ctx, + options, + chart + }); + layouts.configure(chart, legend, options); + layouts.addBox(chart, legend); + }, + stop (chart) { + layouts.removeBox(chart, chart.legend); + delete chart.legend; + }, + beforeUpdate (chart, _args, options) { + const legend = chart.legend; + layouts.configure(chart, legend, options); + legend.options = options; + }, + afterUpdate (chart) { + const legend = chart.legend; + legend.buildLabels(); + legend.adjustHitBoxes(); + }, + afterEvent (chart, args) { + if (!args.replay) { + chart.legend.handleEvent(args.event); + } + }, + defaults: { + display: true, + position: 'top', + align: 'center', + fullSize: true, + reverse: false, + weight: 1000, + onClick (e, legendItem, legend) { + const index = legendItem.datasetIndex; + const ci = legend.chart; + if (ci.isDatasetVisible(index)) { + ci.hide(index); + legendItem.hidden = true; + } else { + ci.show(index); + legendItem.hidden = false; + } + }, + onHover: null, + onLeave: null, + labels: { + color: (ctx)=>ctx.chart.options.color, + boxWidth: 40, + padding: 10, + generateLabels (chart) { + const datasets = chart.data.datasets; + const { labels: { usePointStyle , pointStyle , textAlign , color , useBorderRadius , borderRadius } } = chart.legend.options; + return chart._getSortedDatasetMetas().map((meta)=>{ + const style = meta.controller.getStyle(usePointStyle ? 0 : undefined); + const borderWidth = helpers_segment.toPadding(style.borderWidth); + return { + text: datasets[meta.index].label, + fillStyle: style.backgroundColor, + fontColor: color, + hidden: !meta.visible, + lineCap: style.borderCapStyle, + lineDash: style.borderDash, + lineDashOffset: style.borderDashOffset, + lineJoin: style.borderJoinStyle, + lineWidth: (borderWidth.width + borderWidth.height) / 4, + strokeStyle: style.borderColor, + pointStyle: pointStyle || style.pointStyle, + rotation: style.rotation, + textAlign: textAlign || style.textAlign, + borderRadius: useBorderRadius && (borderRadius || style.borderRadius), + datasetIndex: meta.index + }; + }, this); + } + }, + title: { + color: (ctx)=>ctx.chart.options.color, + display: false, + position: 'center', + text: '' + } + }, + descriptors: { + _scriptable: (name)=>!name.startsWith('on'), + labels: { + _scriptable: (name)=>![ + 'generateLabels', + 'filter', + 'sort' + ].includes(name) + } + } +}; + +class Title extends Element { + constructor(config){ + super(); + this.chart = config.chart; + this.options = config.options; + this.ctx = config.ctx; + this._padding = undefined; + this.top = undefined; + this.bottom = undefined; + this.left = undefined; + this.right = undefined; + this.width = undefined; + this.height = undefined; + this.position = undefined; + this.weight = undefined; + this.fullSize = undefined; + } + update(maxWidth, maxHeight) { + const opts = this.options; + this.left = 0; + this.top = 0; + if (!opts.display) { + this.width = this.height = this.right = this.bottom = 0; + return; + } + this.width = this.right = maxWidth; + this.height = this.bottom = maxHeight; + const lineCount = helpers_segment.isArray(opts.text) ? opts.text.length : 1; + this._padding = helpers_segment.toPadding(opts.padding); + const textSize = lineCount * helpers_segment.toFont(opts.font).lineHeight + this._padding.height; + if (this.isHorizontal()) { + this.height = textSize; + } else { + this.width = textSize; + } + } + isHorizontal() { + const pos = this.options.position; + return pos === 'top' || pos === 'bottom'; + } + _drawArgs(offset) { + const { top , left , bottom , right , options } = this; + const align = options.align; + let rotation = 0; + let maxWidth, titleX, titleY; + if (this.isHorizontal()) { + titleX = helpers_segment._alignStartEnd(align, left, right); + titleY = top + offset; + maxWidth = right - left; + } else { + if (options.position === 'left') { + titleX = left + offset; + titleY = helpers_segment._alignStartEnd(align, bottom, top); + rotation = helpers_segment.PI * -0.5; + } else { + titleX = right - offset; + titleY = helpers_segment._alignStartEnd(align, top, bottom); + rotation = helpers_segment.PI * 0.5; + } + maxWidth = bottom - top; + } + return { + titleX, + titleY, + maxWidth, + rotation + }; + } + draw() { + const ctx = this.ctx; + const opts = this.options; + if (!opts.display) { + return; + } + const fontOpts = helpers_segment.toFont(opts.font); + const lineHeight = fontOpts.lineHeight; + const offset = lineHeight / 2 + this._padding.top; + const { titleX , titleY , maxWidth , rotation } = this._drawArgs(offset); + helpers_segment.renderText(ctx, opts.text, 0, 0, fontOpts, { + color: opts.color, + maxWidth, + rotation, + textAlign: helpers_segment._toLeftRightCenter(opts.align), + textBaseline: 'middle', + translation: [ + titleX, + titleY + ] + }); + } +} +function createTitle(chart, titleOpts) { + const title = new Title({ + ctx: chart.ctx, + options: titleOpts, + chart + }); + layouts.configure(chart, title, titleOpts); + layouts.addBox(chart, title); + chart.titleBlock = title; +} +var plugin_title = { + id: 'title', + _element: Title, + start (chart, _args, options) { + createTitle(chart, options); + }, + stop (chart) { + const titleBlock = chart.titleBlock; + layouts.removeBox(chart, titleBlock); + delete chart.titleBlock; + }, + beforeUpdate (chart, _args, options) { + const title = chart.titleBlock; + layouts.configure(chart, title, options); + title.options = options; + }, + defaults: { + align: 'center', + display: false, + font: { + weight: 'bold' + }, + fullSize: true, + padding: 10, + position: 'top', + text: '', + weight: 2000 + }, + defaultRoutes: { + color: 'color' + }, + descriptors: { + _scriptable: true, + _indexable: false + } +}; + +const map = new WeakMap(); +var plugin_subtitle = { + id: 'subtitle', + start (chart, _args, options) { + const title = new Title({ + ctx: chart.ctx, + options, + chart + }); + layouts.configure(chart, title, options); + layouts.addBox(chart, title); + map.set(chart, title); + }, + stop (chart) { + layouts.removeBox(chart, map.get(chart)); + map.delete(chart); + }, + beforeUpdate (chart, _args, options) { + const title = map.get(chart); + layouts.configure(chart, title, options); + title.options = options; + }, + defaults: { + align: 'center', + display: false, + font: { + weight: 'normal' + }, + fullSize: true, + padding: 0, + position: 'top', + text: '', + weight: 1500 + }, + defaultRoutes: { + color: 'color' + }, + descriptors: { + _scriptable: true, + _indexable: false + } +}; + +const positioners = { + average (items) { + if (!items.length) { + return false; + } + let i, len; + let x = 0; + let y = 0; + let count = 0; + for(i = 0, len = items.length; i < len; ++i){ + const el = items[i].element; + if (el && el.hasValue()) { + const pos = el.tooltipPosition(); + x += pos.x; + y += pos.y; + ++count; + } + } + return { + x: x / count, + y: y / count + }; + }, + nearest (items, eventPosition) { + if (!items.length) { + return false; + } + let x = eventPosition.x; + let y = eventPosition.y; + let minDistance = Number.POSITIVE_INFINITY; + let i, len, nearestElement; + for(i = 0, len = items.length; i < len; ++i){ + const el = items[i].element; + if (el && el.hasValue()) { + const center = el.getCenterPoint(); + const d = helpers_segment.distanceBetweenPoints(eventPosition, center); + if (d < minDistance) { + minDistance = d; + nearestElement = el; + } + } + } + if (nearestElement) { + const tp = nearestElement.tooltipPosition(); + x = tp.x; + y = tp.y; + } + return { + x, + y + }; + } +}; +function pushOrConcat(base, toPush) { + if (toPush) { + if (helpers_segment.isArray(toPush)) { + Array.prototype.push.apply(base, toPush); + } else { + base.push(toPush); + } + } + return base; +} + function splitNewlines(str) { + if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) { + return str.split('\n'); + } + return str; +} + function createTooltipItem(chart, item) { + const { element , datasetIndex , index } = item; + const controller = chart.getDatasetMeta(datasetIndex).controller; + const { label , value } = controller.getLabelAndValue(index); + return { + chart, + label, + parsed: controller.getParsed(index), + raw: chart.data.datasets[datasetIndex].data[index], + formattedValue: value, + dataset: controller.getDataset(), + dataIndex: index, + datasetIndex, + element + }; +} + function getTooltipSize(tooltip, options) { + const ctx = tooltip.chart.ctx; + const { body , footer , title } = tooltip; + const { boxWidth , boxHeight } = options; + const bodyFont = helpers_segment.toFont(options.bodyFont); + const titleFont = helpers_segment.toFont(options.titleFont); + const footerFont = helpers_segment.toFont(options.footerFont); + const titleLineCount = title.length; + const footerLineCount = footer.length; + const bodyLineItemCount = body.length; + const padding = helpers_segment.toPadding(options.padding); + let height = padding.height; + let width = 0; + let combinedBodyLength = body.reduce((count, bodyItem)=>count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length, 0); + combinedBodyLength += tooltip.beforeBody.length + tooltip.afterBody.length; + if (titleLineCount) { + height += titleLineCount * titleFont.lineHeight + (titleLineCount - 1) * options.titleSpacing + options.titleMarginBottom; + } + if (combinedBodyLength) { + const bodyLineHeight = options.displayColors ? Math.max(boxHeight, bodyFont.lineHeight) : bodyFont.lineHeight; + height += bodyLineItemCount * bodyLineHeight + (combinedBodyLength - bodyLineItemCount) * bodyFont.lineHeight + (combinedBodyLength - 1) * options.bodySpacing; + } + if (footerLineCount) { + height += options.footerMarginTop + footerLineCount * footerFont.lineHeight + (footerLineCount - 1) * options.footerSpacing; + } + let widthPadding = 0; + const maxLineWidth = function(line) { + width = Math.max(width, ctx.measureText(line).width + widthPadding); + }; + ctx.save(); + ctx.font = titleFont.string; + helpers_segment.each(tooltip.title, maxLineWidth); + ctx.font = bodyFont.string; + helpers_segment.each(tooltip.beforeBody.concat(tooltip.afterBody), maxLineWidth); + widthPadding = options.displayColors ? boxWidth + 2 + options.boxPadding : 0; + helpers_segment.each(body, (bodyItem)=>{ + helpers_segment.each(bodyItem.before, maxLineWidth); + helpers_segment.each(bodyItem.lines, maxLineWidth); + helpers_segment.each(bodyItem.after, maxLineWidth); + }); + widthPadding = 0; + ctx.font = footerFont.string; + helpers_segment.each(tooltip.footer, maxLineWidth); + ctx.restore(); + width += padding.width; + return { + width, + height + }; +} +function determineYAlign(chart, size) { + const { y , height } = size; + if (y < height / 2) { + return 'top'; + } else if (y > chart.height - height / 2) { + return 'bottom'; + } + return 'center'; +} +function doesNotFitWithAlign(xAlign, chart, options, size) { + const { x , width } = size; + const caret = options.caretSize + options.caretPadding; + if (xAlign === 'left' && x + width + caret > chart.width) { + return true; + } + if (xAlign === 'right' && x - width - caret < 0) { + return true; + } +} +function determineXAlign(chart, options, size, yAlign) { + const { x , width } = size; + const { width: chartWidth , chartArea: { left , right } } = chart; + let xAlign = 'center'; + if (yAlign === 'center') { + xAlign = x <= (left + right) / 2 ? 'left' : 'right'; + } else if (x <= width / 2) { + xAlign = 'left'; + } else if (x >= chartWidth - width / 2) { + xAlign = 'right'; + } + if (doesNotFitWithAlign(xAlign, chart, options, size)) { + xAlign = 'center'; + } + return xAlign; +} + function determineAlignment(chart, options, size) { + const yAlign = size.yAlign || options.yAlign || determineYAlign(chart, size); + return { + xAlign: size.xAlign || options.xAlign || determineXAlign(chart, options, size, yAlign), + yAlign + }; +} +function alignX(size, xAlign) { + let { x , width } = size; + if (xAlign === 'right') { + x -= width; + } else if (xAlign === 'center') { + x -= width / 2; + } + return x; +} +function alignY(size, yAlign, paddingAndSize) { + let { y , height } = size; + if (yAlign === 'top') { + y += paddingAndSize; + } else if (yAlign === 'bottom') { + y -= height + paddingAndSize; + } else { + y -= height / 2; + } + return y; +} + function getBackgroundPoint(options, size, alignment, chart) { + const { caretSize , caretPadding , cornerRadius } = options; + const { xAlign , yAlign } = alignment; + const paddingAndSize = caretSize + caretPadding; + const { topLeft , topRight , bottomLeft , bottomRight } = helpers_segment.toTRBLCorners(cornerRadius); + let x = alignX(size, xAlign); + const y = alignY(size, yAlign, paddingAndSize); + if (yAlign === 'center') { + if (xAlign === 'left') { + x += paddingAndSize; + } else if (xAlign === 'right') { + x -= paddingAndSize; + } + } else if (xAlign === 'left') { + x -= Math.max(topLeft, bottomLeft) + caretSize; + } else if (xAlign === 'right') { + x += Math.max(topRight, bottomRight) + caretSize; + } + return { + x: helpers_segment._limitValue(x, 0, chart.width - size.width), + y: helpers_segment._limitValue(y, 0, chart.height - size.height) + }; +} +function getAlignedX(tooltip, align, options) { + const padding = helpers_segment.toPadding(options.padding); + return align === 'center' ? tooltip.x + tooltip.width / 2 : align === 'right' ? tooltip.x + tooltip.width - padding.right : tooltip.x + padding.left; +} + function getBeforeAfterBodyLines(callback) { + return pushOrConcat([], splitNewlines(callback)); +} +function createTooltipContext(parent, tooltip, tooltipItems) { + return helpers_segment.createContext(parent, { + tooltip, + tooltipItems, + type: 'tooltip' + }); +} +function overrideCallbacks(callbacks, context) { + const override = context && context.dataset && context.dataset.tooltip && context.dataset.tooltip.callbacks; + return override ? callbacks.override(override) : callbacks; +} +const defaultCallbacks = { + beforeTitle: helpers_segment.noop, + title (tooltipItems) { + if (tooltipItems.length > 0) { + const item = tooltipItems[0]; + const labels = item.chart.data.labels; + const labelCount = labels ? labels.length : 0; + if (this && this.options && this.options.mode === 'dataset') { + return item.dataset.label || ''; + } else if (item.label) { + return item.label; + } else if (labelCount > 0 && item.dataIndex < labelCount) { + return labels[item.dataIndex]; + } + } + return ''; + }, + afterTitle: helpers_segment.noop, + beforeBody: helpers_segment.noop, + beforeLabel: helpers_segment.noop, + label (tooltipItem) { + if (this && this.options && this.options.mode === 'dataset') { + return tooltipItem.label + ': ' + tooltipItem.formattedValue || tooltipItem.formattedValue; + } + let label = tooltipItem.dataset.label || ''; + if (label) { + label += ': '; + } + const value = tooltipItem.formattedValue; + if (!helpers_segment.isNullOrUndef(value)) { + label += value; + } + return label; + }, + labelColor (tooltipItem) { + const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex); + const options = meta.controller.getStyle(tooltipItem.dataIndex); + return { + borderColor: options.borderColor, + backgroundColor: options.backgroundColor, + borderWidth: options.borderWidth, + borderDash: options.borderDash, + borderDashOffset: options.borderDashOffset, + borderRadius: 0 + }; + }, + labelTextColor () { + return this.options.bodyColor; + }, + labelPointStyle (tooltipItem) { + const meta = tooltipItem.chart.getDatasetMeta(tooltipItem.datasetIndex); + const options = meta.controller.getStyle(tooltipItem.dataIndex); + return { + pointStyle: options.pointStyle, + rotation: options.rotation + }; + }, + afterLabel: helpers_segment.noop, + afterBody: helpers_segment.noop, + beforeFooter: helpers_segment.noop, + footer: helpers_segment.noop, + afterFooter: helpers_segment.noop +}; + function invokeCallbackWithFallback(callbacks, name, ctx, arg) { + const result = callbacks[name].call(ctx, arg); + if (typeof result === 'undefined') { + return defaultCallbacks[name].call(ctx, arg); + } + return result; +} +class Tooltip extends Element { + static positioners = positioners; + constructor(config){ + super(); + this.opacity = 0; + this._active = []; + this._eventPosition = undefined; + this._size = undefined; + this._cachedAnimations = undefined; + this._tooltipItems = []; + this.$animations = undefined; + this.$context = undefined; + this.chart = config.chart; + this.options = config.options; + this.dataPoints = undefined; + this.title = undefined; + this.beforeBody = undefined; + this.body = undefined; + this.afterBody = undefined; + this.footer = undefined; + this.xAlign = undefined; + this.yAlign = undefined; + this.x = undefined; + this.y = undefined; + this.height = undefined; + this.width = undefined; + this.caretX = undefined; + this.caretY = undefined; + this.labelColors = undefined; + this.labelPointStyles = undefined; + this.labelTextColors = undefined; + } + initialize(options) { + this.options = options; + this._cachedAnimations = undefined; + this.$context = undefined; + } + _resolveAnimations() { + const cached = this._cachedAnimations; + if (cached) { + return cached; + } + const chart = this.chart; + const options = this.options.setContext(this.getContext()); + const opts = options.enabled && chart.options.animation && options.animations; + const animations = new Animations(this.chart, opts); + if (opts._cacheable) { + this._cachedAnimations = Object.freeze(animations); + } + return animations; + } + getContext() { + return this.$context || (this.$context = createTooltipContext(this.chart.getContext(), this, this._tooltipItems)); + } + getTitle(context, options) { + const { callbacks } = options; + const beforeTitle = invokeCallbackWithFallback(callbacks, 'beforeTitle', this, context); + const title = invokeCallbackWithFallback(callbacks, 'title', this, context); + const afterTitle = invokeCallbackWithFallback(callbacks, 'afterTitle', this, context); + let lines = []; + lines = pushOrConcat(lines, splitNewlines(beforeTitle)); + lines = pushOrConcat(lines, splitNewlines(title)); + lines = pushOrConcat(lines, splitNewlines(afterTitle)); + return lines; + } + getBeforeBody(tooltipItems, options) { + return getBeforeAfterBodyLines(invokeCallbackWithFallback(options.callbacks, 'beforeBody', this, tooltipItems)); + } + getBody(tooltipItems, options) { + const { callbacks } = options; + const bodyItems = []; + helpers_segment.each(tooltipItems, (context)=>{ + const bodyItem = { + before: [], + lines: [], + after: [] + }; + const scoped = overrideCallbacks(callbacks, context); + pushOrConcat(bodyItem.before, splitNewlines(invokeCallbackWithFallback(scoped, 'beforeLabel', this, context))); + pushOrConcat(bodyItem.lines, invokeCallbackWithFallback(scoped, 'label', this, context)); + pushOrConcat(bodyItem.after, splitNewlines(invokeCallbackWithFallback(scoped, 'afterLabel', this, context))); + bodyItems.push(bodyItem); + }); + return bodyItems; + } + getAfterBody(tooltipItems, options) { + return getBeforeAfterBodyLines(invokeCallbackWithFallback(options.callbacks, 'afterBody', this, tooltipItems)); + } + getFooter(tooltipItems, options) { + const { callbacks } = options; + const beforeFooter = invokeCallbackWithFallback(callbacks, 'beforeFooter', this, tooltipItems); + const footer = invokeCallbackWithFallback(callbacks, 'footer', this, tooltipItems); + const afterFooter = invokeCallbackWithFallback(callbacks, 'afterFooter', this, tooltipItems); + let lines = []; + lines = pushOrConcat(lines, splitNewlines(beforeFooter)); + lines = pushOrConcat(lines, splitNewlines(footer)); + lines = pushOrConcat(lines, splitNewlines(afterFooter)); + return lines; + } + _createItems(options) { + const active = this._active; + const data = this.chart.data; + const labelColors = []; + const labelPointStyles = []; + const labelTextColors = []; + let tooltipItems = []; + let i, len; + for(i = 0, len = active.length; i < len; ++i){ + tooltipItems.push(createTooltipItem(this.chart, active[i])); + } + if (options.filter) { + tooltipItems = tooltipItems.filter((element, index, array)=>options.filter(element, index, array, data)); + } + if (options.itemSort) { + tooltipItems = tooltipItems.sort((a, b)=>options.itemSort(a, b, data)); + } + helpers_segment.each(tooltipItems, (context)=>{ + const scoped = overrideCallbacks(options.callbacks, context); + labelColors.push(invokeCallbackWithFallback(scoped, 'labelColor', this, context)); + labelPointStyles.push(invokeCallbackWithFallback(scoped, 'labelPointStyle', this, context)); + labelTextColors.push(invokeCallbackWithFallback(scoped, 'labelTextColor', this, context)); + }); + this.labelColors = labelColors; + this.labelPointStyles = labelPointStyles; + this.labelTextColors = labelTextColors; + this.dataPoints = tooltipItems; + return tooltipItems; + } + update(changed, replay) { + const options = this.options.setContext(this.getContext()); + const active = this._active; + let properties; + let tooltipItems = []; + if (!active.length) { + if (this.opacity !== 0) { + properties = { + opacity: 0 + }; + } + } else { + const position = positioners[options.position].call(this, active, this._eventPosition); + tooltipItems = this._createItems(options); + this.title = this.getTitle(tooltipItems, options); + this.beforeBody = this.getBeforeBody(tooltipItems, options); + this.body = this.getBody(tooltipItems, options); + this.afterBody = this.getAfterBody(tooltipItems, options); + this.footer = this.getFooter(tooltipItems, options); + const size = this._size = getTooltipSize(this, options); + const positionAndSize = Object.assign({}, position, size); + const alignment = determineAlignment(this.chart, options, positionAndSize); + const backgroundPoint = getBackgroundPoint(options, positionAndSize, alignment, this.chart); + this.xAlign = alignment.xAlign; + this.yAlign = alignment.yAlign; + properties = { + opacity: 1, + x: backgroundPoint.x, + y: backgroundPoint.y, + width: size.width, + height: size.height, + caretX: position.x, + caretY: position.y + }; + } + this._tooltipItems = tooltipItems; + this.$context = undefined; + if (properties) { + this._resolveAnimations().update(this, properties); + } + if (changed && options.external) { + options.external.call(this, { + chart: this.chart, + tooltip: this, + replay + }); + } + } + drawCaret(tooltipPoint, ctx, size, options) { + const caretPosition = this.getCaretPosition(tooltipPoint, size, options); + ctx.lineTo(caretPosition.x1, caretPosition.y1); + ctx.lineTo(caretPosition.x2, caretPosition.y2); + ctx.lineTo(caretPosition.x3, caretPosition.y3); + } + getCaretPosition(tooltipPoint, size, options) { + const { xAlign , yAlign } = this; + const { caretSize , cornerRadius } = options; + const { topLeft , topRight , bottomLeft , bottomRight } = helpers_segment.toTRBLCorners(cornerRadius); + const { x: ptX , y: ptY } = tooltipPoint; + const { width , height } = size; + let x1, x2, x3, y1, y2, y3; + if (yAlign === 'center') { + y2 = ptY + height / 2; + if (xAlign === 'left') { + x1 = ptX; + x2 = x1 - caretSize; + y1 = y2 + caretSize; + y3 = y2 - caretSize; + } else { + x1 = ptX + width; + x2 = x1 + caretSize; + y1 = y2 - caretSize; + y3 = y2 + caretSize; + } + x3 = x1; + } else { + if (xAlign === 'left') { + x2 = ptX + Math.max(topLeft, bottomLeft) + caretSize; + } else if (xAlign === 'right') { + x2 = ptX + width - Math.max(topRight, bottomRight) - caretSize; + } else { + x2 = this.caretX; + } + if (yAlign === 'top') { + y1 = ptY; + y2 = y1 - caretSize; + x1 = x2 - caretSize; + x3 = x2 + caretSize; + } else { + y1 = ptY + height; + y2 = y1 + caretSize; + x1 = x2 + caretSize; + x3 = x2 - caretSize; + } + y3 = y1; + } + return { + x1, + x2, + x3, + y1, + y2, + y3 + }; + } + drawTitle(pt, ctx, options) { + const title = this.title; + const length = title.length; + let titleFont, titleSpacing, i; + if (length) { + const rtlHelper = helpers_segment.getRtlAdapter(options.rtl, this.x, this.width); + pt.x = getAlignedX(this, options.titleAlign, options); + ctx.textAlign = rtlHelper.textAlign(options.titleAlign); + ctx.textBaseline = 'middle'; + titleFont = helpers_segment.toFont(options.titleFont); + titleSpacing = options.titleSpacing; + ctx.fillStyle = options.titleColor; + ctx.font = titleFont.string; + for(i = 0; i < length; ++i){ + ctx.fillText(title[i], rtlHelper.x(pt.x), pt.y + titleFont.lineHeight / 2); + pt.y += titleFont.lineHeight + titleSpacing; + if (i + 1 === length) { + pt.y += options.titleMarginBottom - titleSpacing; + } + } + } + } + _drawColorBox(ctx, pt, i, rtlHelper, options) { + const labelColor = this.labelColors[i]; + const labelPointStyle = this.labelPointStyles[i]; + const { boxHeight , boxWidth } = options; + const bodyFont = helpers_segment.toFont(options.bodyFont); + const colorX = getAlignedX(this, 'left', options); + const rtlColorX = rtlHelper.x(colorX); + const yOffSet = boxHeight < bodyFont.lineHeight ? (bodyFont.lineHeight - boxHeight) / 2 : 0; + const colorY = pt.y + yOffSet; + if (options.usePointStyle) { + const drawOptions = { + radius: Math.min(boxWidth, boxHeight) / 2, + pointStyle: labelPointStyle.pointStyle, + rotation: labelPointStyle.rotation, + borderWidth: 1 + }; + const centerX = rtlHelper.leftForLtr(rtlColorX, boxWidth) + boxWidth / 2; + const centerY = colorY + boxHeight / 2; + ctx.strokeStyle = options.multiKeyBackground; + ctx.fillStyle = options.multiKeyBackground; + helpers_segment.drawPoint(ctx, drawOptions, centerX, centerY); + ctx.strokeStyle = labelColor.borderColor; + ctx.fillStyle = labelColor.backgroundColor; + helpers_segment.drawPoint(ctx, drawOptions, centerX, centerY); + } else { + ctx.lineWidth = helpers_segment.isObject(labelColor.borderWidth) ? Math.max(...Object.values(labelColor.borderWidth)) : labelColor.borderWidth || 1; + ctx.strokeStyle = labelColor.borderColor; + ctx.setLineDash(labelColor.borderDash || []); + ctx.lineDashOffset = labelColor.borderDashOffset || 0; + const outerX = rtlHelper.leftForLtr(rtlColorX, boxWidth); + const innerX = rtlHelper.leftForLtr(rtlHelper.xPlus(rtlColorX, 1), boxWidth - 2); + const borderRadius = helpers_segment.toTRBLCorners(labelColor.borderRadius); + if (Object.values(borderRadius).some((v)=>v !== 0)) { + ctx.beginPath(); + ctx.fillStyle = options.multiKeyBackground; + helpers_segment.addRoundedRectPath(ctx, { + x: outerX, + y: colorY, + w: boxWidth, + h: boxHeight, + radius: borderRadius + }); + ctx.fill(); + ctx.stroke(); + ctx.fillStyle = labelColor.backgroundColor; + ctx.beginPath(); + helpers_segment.addRoundedRectPath(ctx, { + x: innerX, + y: colorY + 1, + w: boxWidth - 2, + h: boxHeight - 2, + radius: borderRadius + }); + ctx.fill(); + } else { + ctx.fillStyle = options.multiKeyBackground; + ctx.fillRect(outerX, colorY, boxWidth, boxHeight); + ctx.strokeRect(outerX, colorY, boxWidth, boxHeight); + ctx.fillStyle = labelColor.backgroundColor; + ctx.fillRect(innerX, colorY + 1, boxWidth - 2, boxHeight - 2); + } + } + ctx.fillStyle = this.labelTextColors[i]; + } + drawBody(pt, ctx, options) { + const { body } = this; + const { bodySpacing , bodyAlign , displayColors , boxHeight , boxWidth , boxPadding } = options; + const bodyFont = helpers_segment.toFont(options.bodyFont); + let bodyLineHeight = bodyFont.lineHeight; + let xLinePadding = 0; + const rtlHelper = helpers_segment.getRtlAdapter(options.rtl, this.x, this.width); + const fillLineOfText = function(line) { + ctx.fillText(line, rtlHelper.x(pt.x + xLinePadding), pt.y + bodyLineHeight / 2); + pt.y += bodyLineHeight + bodySpacing; + }; + const bodyAlignForCalculation = rtlHelper.textAlign(bodyAlign); + let bodyItem, textColor, lines, i, j, ilen, jlen; + ctx.textAlign = bodyAlign; + ctx.textBaseline = 'middle'; + ctx.font = bodyFont.string; + pt.x = getAlignedX(this, bodyAlignForCalculation, options); + ctx.fillStyle = options.bodyColor; + helpers_segment.each(this.beforeBody, fillLineOfText); + xLinePadding = displayColors && bodyAlignForCalculation !== 'right' ? bodyAlign === 'center' ? boxWidth / 2 + boxPadding : boxWidth + 2 + boxPadding : 0; + for(i = 0, ilen = body.length; i < ilen; ++i){ + bodyItem = body[i]; + textColor = this.labelTextColors[i]; + ctx.fillStyle = textColor; + helpers_segment.each(bodyItem.before, fillLineOfText); + lines = bodyItem.lines; + if (displayColors && lines.length) { + this._drawColorBox(ctx, pt, i, rtlHelper, options); + bodyLineHeight = Math.max(bodyFont.lineHeight, boxHeight); + } + for(j = 0, jlen = lines.length; j < jlen; ++j){ + fillLineOfText(lines[j]); + bodyLineHeight = bodyFont.lineHeight; + } + helpers_segment.each(bodyItem.after, fillLineOfText); + } + xLinePadding = 0; + bodyLineHeight = bodyFont.lineHeight; + helpers_segment.each(this.afterBody, fillLineOfText); + pt.y -= bodySpacing; + } + drawFooter(pt, ctx, options) { + const footer = this.footer; + const length = footer.length; + let footerFont, i; + if (length) { + const rtlHelper = helpers_segment.getRtlAdapter(options.rtl, this.x, this.width); + pt.x = getAlignedX(this, options.footerAlign, options); + pt.y += options.footerMarginTop; + ctx.textAlign = rtlHelper.textAlign(options.footerAlign); + ctx.textBaseline = 'middle'; + footerFont = helpers_segment.toFont(options.footerFont); + ctx.fillStyle = options.footerColor; + ctx.font = footerFont.string; + for(i = 0; i < length; ++i){ + ctx.fillText(footer[i], rtlHelper.x(pt.x), pt.y + footerFont.lineHeight / 2); + pt.y += footerFont.lineHeight + options.footerSpacing; + } + } + } + drawBackground(pt, ctx, tooltipSize, options) { + const { xAlign , yAlign } = this; + const { x , y } = pt; + const { width , height } = tooltipSize; + const { topLeft , topRight , bottomLeft , bottomRight } = helpers_segment.toTRBLCorners(options.cornerRadius); + ctx.fillStyle = options.backgroundColor; + ctx.strokeStyle = options.borderColor; + ctx.lineWidth = options.borderWidth; + ctx.beginPath(); + ctx.moveTo(x + topLeft, y); + if (yAlign === 'top') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + width - topRight, y); + ctx.quadraticCurveTo(x + width, y, x + width, y + topRight); + if (yAlign === 'center' && xAlign === 'right') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + width, y + height - bottomRight); + ctx.quadraticCurveTo(x + width, y + height, x + width - bottomRight, y + height); + if (yAlign === 'bottom') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x + bottomLeft, y + height); + ctx.quadraticCurveTo(x, y + height, x, y + height - bottomLeft); + if (yAlign === 'center' && xAlign === 'left') { + this.drawCaret(pt, ctx, tooltipSize, options); + } + ctx.lineTo(x, y + topLeft); + ctx.quadraticCurveTo(x, y, x + topLeft, y); + ctx.closePath(); + ctx.fill(); + if (options.borderWidth > 0) { + ctx.stroke(); + } + } + _updateAnimationTarget(options) { + const chart = this.chart; + const anims = this.$animations; + const animX = anims && anims.x; + const animY = anims && anims.y; + if (animX || animY) { + const position = positioners[options.position].call(this, this._active, this._eventPosition); + if (!position) { + return; + } + const size = this._size = getTooltipSize(this, options); + const positionAndSize = Object.assign({}, position, this._size); + const alignment = determineAlignment(chart, options, positionAndSize); + const point = getBackgroundPoint(options, positionAndSize, alignment, chart); + if (animX._to !== point.x || animY._to !== point.y) { + this.xAlign = alignment.xAlign; + this.yAlign = alignment.yAlign; + this.width = size.width; + this.height = size.height; + this.caretX = position.x; + this.caretY = position.y; + this._resolveAnimations().update(this, point); + } + } + } + _willRender() { + return !!this.opacity; + } + draw(ctx) { + const options = this.options.setContext(this.getContext()); + let opacity = this.opacity; + if (!opacity) { + return; + } + this._updateAnimationTarget(options); + const tooltipSize = { + width: this.width, + height: this.height + }; + const pt = { + x: this.x, + y: this.y + }; + opacity = Math.abs(opacity) < 1e-3 ? 0 : opacity; + const padding = helpers_segment.toPadding(options.padding); + const hasTooltipContent = this.title.length || this.beforeBody.length || this.body.length || this.afterBody.length || this.footer.length; + if (options.enabled && hasTooltipContent) { + ctx.save(); + ctx.globalAlpha = opacity; + this.drawBackground(pt, ctx, tooltipSize, options); + helpers_segment.overrideTextDirection(ctx, options.textDirection); + pt.y += padding.top; + this.drawTitle(pt, ctx, options); + this.drawBody(pt, ctx, options); + this.drawFooter(pt, ctx, options); + helpers_segment.restoreTextDirection(ctx, options.textDirection); + ctx.restore(); + } + } + getActiveElements() { + return this._active || []; + } + setActiveElements(activeElements, eventPosition) { + const lastActive = this._active; + const active = activeElements.map(({ datasetIndex , index })=>{ + const meta = this.chart.getDatasetMeta(datasetIndex); + if (!meta) { + throw new Error('Cannot find a dataset at index ' + datasetIndex); + } + return { + datasetIndex, + element: meta.data[index], + index + }; + }); + const changed = !helpers_segment._elementsEqual(lastActive, active); + const positionChanged = this._positionChanged(active, eventPosition); + if (changed || positionChanged) { + this._active = active; + this._eventPosition = eventPosition; + this._ignoreReplayEvents = true; + this.update(true); + } + } + handleEvent(e, replay, inChartArea = true) { + if (replay && this._ignoreReplayEvents) { + return false; + } + this._ignoreReplayEvents = false; + const options = this.options; + const lastActive = this._active || []; + const active = this._getActiveElements(e, lastActive, replay, inChartArea); + const positionChanged = this._positionChanged(active, e); + const changed = replay || !helpers_segment._elementsEqual(active, lastActive) || positionChanged; + if (changed) { + this._active = active; + if (options.enabled || options.external) { + this._eventPosition = { + x: e.x, + y: e.y + }; + this.update(true, replay); + } + } + return changed; + } + _getActiveElements(e, lastActive, replay, inChartArea) { + const options = this.options; + if (e.type === 'mouseout') { + return []; + } + if (!inChartArea) { + return lastActive; + } + const active = this.chart.getElementsAtEventForMode(e, options.mode, options, replay); + if (options.reverse) { + active.reverse(); + } + return active; + } + _positionChanged(active, e) { + const { caretX , caretY , options } = this; + const position = positioners[options.position].call(this, active, e); + return position !== false && (caretX !== position.x || caretY !== position.y); + } +} +var plugin_tooltip = { + id: 'tooltip', + _element: Tooltip, + positioners, + afterInit (chart, _args, options) { + if (options) { + chart.tooltip = new Tooltip({ + chart, + options + }); + } + }, + beforeUpdate (chart, _args, options) { + if (chart.tooltip) { + chart.tooltip.initialize(options); + } + }, + reset (chart, _args, options) { + if (chart.tooltip) { + chart.tooltip.initialize(options); + } + }, + afterDraw (chart) { + const tooltip = chart.tooltip; + if (tooltip && tooltip._willRender()) { + const args = { + tooltip + }; + if (chart.notifyPlugins('beforeTooltipDraw', { + ...args, + cancelable: true + }) === false) { + return; + } + tooltip.draw(chart.ctx); + chart.notifyPlugins('afterTooltipDraw', args); + } + }, + afterEvent (chart, args) { + if (chart.tooltip) { + const useFinalPosition = args.replay; + if (chart.tooltip.handleEvent(args.event, useFinalPosition, args.inChartArea)) { + args.changed = true; + } + } + }, + defaults: { + enabled: true, + external: null, + position: 'average', + backgroundColor: 'rgba(0,0,0,0.8)', + titleColor: '#fff', + titleFont: { + weight: 'bold' + }, + titleSpacing: 2, + titleMarginBottom: 6, + titleAlign: 'left', + bodyColor: '#fff', + bodySpacing: 2, + bodyFont: {}, + bodyAlign: 'left', + footerColor: '#fff', + footerSpacing: 2, + footerMarginTop: 6, + footerFont: { + weight: 'bold' + }, + footerAlign: 'left', + padding: 6, + caretPadding: 2, + caretSize: 5, + cornerRadius: 6, + boxHeight: (ctx, opts)=>opts.bodyFont.size, + boxWidth: (ctx, opts)=>opts.bodyFont.size, + multiKeyBackground: '#fff', + displayColors: true, + boxPadding: 0, + borderColor: 'rgba(0,0,0,0)', + borderWidth: 0, + animation: { + duration: 400, + easing: 'easeOutQuart' + }, + animations: { + numbers: { + type: 'number', + properties: [ + 'x', + 'y', + 'width', + 'height', + 'caretX', + 'caretY' + ] + }, + opacity: { + easing: 'linear', + duration: 200 + } + }, + callbacks: defaultCallbacks + }, + defaultRoutes: { + bodyFont: 'font', + footerFont: 'font', + titleFont: 'font' + }, + descriptors: { + _scriptable: (name)=>name !== 'filter' && name !== 'itemSort' && name !== 'external', + _indexable: false, + callbacks: { + _scriptable: false, + _indexable: false + }, + animation: { + _fallback: false + }, + animations: { + _fallback: 'animation' + } + }, + additionalOptionScopes: [ + 'interaction' + ] +}; + +var plugins = /*#__PURE__*/Object.freeze({ +__proto__: null, +Colors: plugin_colors, +Decimation: plugin_decimation, +Filler: index, +Legend: plugin_legend, +SubTitle: plugin_subtitle, +Title: plugin_title, +Tooltip: plugin_tooltip +}); + +const addIfString = (labels, raw, index, addedLabels)=>{ + if (typeof raw === 'string') { + index = labels.push(raw) - 1; + addedLabels.unshift({ + index, + label: raw + }); + } else if (isNaN(raw)) { + index = null; + } + return index; +}; +function findOrAddLabel(labels, raw, index, addedLabels) { + const first = labels.indexOf(raw); + if (first === -1) { + return addIfString(labels, raw, index, addedLabels); + } + const last = labels.lastIndexOf(raw); + return first !== last ? index : first; +} +const validIndex = (index, max)=>index === null ? null : helpers_segment._limitValue(Math.round(index), 0, max); +function _getLabelForValue(value) { + const labels = this.getLabels(); + if (value >= 0 && value < labels.length) { + return labels[value]; + } + return value; +} +class CategoryScale extends Scale { + static id = 'category'; + static defaults = { + ticks: { + callback: _getLabelForValue + } + }; + constructor(cfg){ + super(cfg); + this._startValue = undefined; + this._valueRange = 0; + this._addedLabels = []; + } + init(scaleOptions) { + const added = this._addedLabels; + if (added.length) { + const labels = this.getLabels(); + for (const { index , label } of added){ + if (labels[index] === label) { + labels.splice(index, 1); + } + } + this._addedLabels = []; + } + super.init(scaleOptions); + } + parse(raw, index) { + if (helpers_segment.isNullOrUndef(raw)) { + return null; + } + const labels = this.getLabels(); + index = isFinite(index) && labels[index] === raw ? index : findOrAddLabel(labels, raw, helpers_segment.valueOrDefault(index, raw), this._addedLabels); + return validIndex(index, labels.length - 1); + } + determineDataLimits() { + const { minDefined , maxDefined } = this.getUserBounds(); + let { min , max } = this.getMinMax(true); + if (this.options.bounds === 'ticks') { + if (!minDefined) { + min = 0; + } + if (!maxDefined) { + max = this.getLabels().length - 1; + } + } + this.min = min; + this.max = max; + } + buildTicks() { + const min = this.min; + const max = this.max; + const offset = this.options.offset; + const ticks = []; + let labels = this.getLabels(); + labels = min === 0 && max === labels.length - 1 ? labels : labels.slice(min, max + 1); + this._valueRange = Math.max(labels.length - (offset ? 0 : 1), 1); + this._startValue = this.min - (offset ? 0.5 : 0); + for(let value = min; value <= max; value++){ + ticks.push({ + value + }); + } + return ticks; + } + getLabelForValue(value) { + return _getLabelForValue.call(this, value); + } + configure() { + super.configure(); + if (!this.isHorizontal()) { + this._reversePixels = !this._reversePixels; + } + } + getPixelForValue(value) { + if (typeof value !== 'number') { + value = this.parse(value); + } + return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange); + } + getPixelForTick(index) { + const ticks = this.ticks; + if (index < 0 || index > ticks.length - 1) { + return null; + } + return this.getPixelForValue(ticks[index].value); + } + getValueForPixel(pixel) { + return Math.round(this._startValue + this.getDecimalForPixel(pixel) * this._valueRange); + } + getBasePixel() { + return this.bottom; + } +} + +function generateTicks$1(generationOptions, dataRange) { + const ticks = []; + const MIN_SPACING = 1e-14; + const { bounds , step , min , max , precision , count , maxTicks , maxDigits , includeBounds } = generationOptions; + const unit = step || 1; + const maxSpaces = maxTicks - 1; + const { min: rmin , max: rmax } = dataRange; + const minDefined = !helpers_segment.isNullOrUndef(min); + const maxDefined = !helpers_segment.isNullOrUndef(max); + const countDefined = !helpers_segment.isNullOrUndef(count); + const minSpacing = (rmax - rmin) / (maxDigits + 1); + let spacing = helpers_segment.niceNum((rmax - rmin) / maxSpaces / unit) * unit; + let factor, niceMin, niceMax, numSpaces; + if (spacing < MIN_SPACING && !minDefined && !maxDefined) { + return [ + { + value: rmin + }, + { + value: rmax + } + ]; + } + numSpaces = Math.ceil(rmax / spacing) - Math.floor(rmin / spacing); + if (numSpaces > maxSpaces) { + spacing = helpers_segment.niceNum(numSpaces * spacing / maxSpaces / unit) * unit; + } + if (!helpers_segment.isNullOrUndef(precision)) { + factor = Math.pow(10, precision); + spacing = Math.ceil(spacing * factor) / factor; + } + if (bounds === 'ticks') { + niceMin = Math.floor(rmin / spacing) * spacing; + niceMax = Math.ceil(rmax / spacing) * spacing; + } else { + niceMin = rmin; + niceMax = rmax; + } + if (minDefined && maxDefined && step && helpers_segment.almostWhole((max - min) / step, spacing / 1000)) { + numSpaces = Math.round(Math.min((max - min) / spacing, maxTicks)); + spacing = (max - min) / numSpaces; + niceMin = min; + niceMax = max; + } else if (countDefined) { + niceMin = minDefined ? min : niceMin; + niceMax = maxDefined ? max : niceMax; + numSpaces = count - 1; + spacing = (niceMax - niceMin) / numSpaces; + } else { + numSpaces = (niceMax - niceMin) / spacing; + if (helpers_segment.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { + numSpaces = Math.round(numSpaces); + } else { + numSpaces = Math.ceil(numSpaces); + } + } + const decimalPlaces = Math.max(helpers_segment._decimalPlaces(spacing), helpers_segment._decimalPlaces(niceMin)); + factor = Math.pow(10, helpers_segment.isNullOrUndef(precision) ? decimalPlaces : precision); + niceMin = Math.round(niceMin * factor) / factor; + niceMax = Math.round(niceMax * factor) / factor; + let j = 0; + if (minDefined) { + if (includeBounds && niceMin !== min) { + ticks.push({ + value: min + }); + if (niceMin < min) { + j++; + } + if (helpers_segment.almostEquals(Math.round((niceMin + j * spacing) * factor) / factor, min, relativeLabelSize(min, minSpacing, generationOptions))) { + j++; + } + } else if (niceMin < min) { + j++; + } + } + for(; j < numSpaces; ++j){ + const tickValue = Math.round((niceMin + j * spacing) * factor) / factor; + if (maxDefined && tickValue > max) { + break; + } + ticks.push({ + value: tickValue + }); + } + if (maxDefined && includeBounds && niceMax !== max) { + if (ticks.length && helpers_segment.almostEquals(ticks[ticks.length - 1].value, max, relativeLabelSize(max, minSpacing, generationOptions))) { + ticks[ticks.length - 1].value = max; + } else { + ticks.push({ + value: max + }); + } + } else if (!maxDefined || niceMax === max) { + ticks.push({ + value: niceMax + }); + } + return ticks; +} +function relativeLabelSize(value, minSpacing, { horizontal , minRotation }) { + const rad = helpers_segment.toRadians(minRotation); + const ratio = (horizontal ? Math.sin(rad) : Math.cos(rad)) || 0.001; + const length = 0.75 * minSpacing * ('' + value).length; + return Math.min(minSpacing / ratio, length); +} +class LinearScaleBase extends Scale { + constructor(cfg){ + super(cfg); + this.start = undefined; + this.end = undefined; + this._startValue = undefined; + this._endValue = undefined; + this._valueRange = 0; + } + parse(raw, index) { + if (helpers_segment.isNullOrUndef(raw)) { + return null; + } + if ((typeof raw === 'number' || raw instanceof Number) && !isFinite(+raw)) { + return null; + } + return +raw; + } + handleTickRangeOptions() { + const { beginAtZero } = this.options; + const { minDefined , maxDefined } = this.getUserBounds(); + let { min , max } = this; + const setMin = (v)=>min = minDefined ? min : v; + const setMax = (v)=>max = maxDefined ? max : v; + if (beginAtZero) { + const minSign = helpers_segment.sign(min); + const maxSign = helpers_segment.sign(max); + if (minSign < 0 && maxSign < 0) { + setMax(0); + } else if (minSign > 0 && maxSign > 0) { + setMin(0); + } + } + if (min === max) { + let offset = max === 0 ? 1 : Math.abs(max * 0.05); + setMax(max + offset); + if (!beginAtZero) { + setMin(min - offset); + } + } + this.min = min; + this.max = max; + } + getTickLimit() { + const tickOpts = this.options.ticks; + let { maxTicksLimit , stepSize } = tickOpts; + let maxTicks; + if (stepSize) { + maxTicks = Math.ceil(this.max / stepSize) - Math.floor(this.min / stepSize) + 1; + if (maxTicks > 1000) { + console.warn(`scales.${this.id}.ticks.stepSize: ${stepSize} would result generating up to ${maxTicks} ticks. Limiting to 1000.`); + maxTicks = 1000; + } + } else { + maxTicks = this.computeTickLimit(); + maxTicksLimit = maxTicksLimit || 11; + } + if (maxTicksLimit) { + maxTicks = Math.min(maxTicksLimit, maxTicks); + } + return maxTicks; + } + computeTickLimit() { + return Number.POSITIVE_INFINITY; + } + buildTicks() { + const opts = this.options; + const tickOpts = opts.ticks; + let maxTicks = this.getTickLimit(); + maxTicks = Math.max(2, maxTicks); + const numericGeneratorOptions = { + maxTicks, + bounds: opts.bounds, + min: opts.min, + max: opts.max, + precision: tickOpts.precision, + step: tickOpts.stepSize, + count: tickOpts.count, + maxDigits: this._maxDigits(), + horizontal: this.isHorizontal(), + minRotation: tickOpts.minRotation || 0, + includeBounds: tickOpts.includeBounds !== false + }; + const dataRange = this._range || this; + const ticks = generateTicks$1(numericGeneratorOptions, dataRange); + if (opts.bounds === 'ticks') { + helpers_segment._setMinAndMaxByKey(ticks, this, 'value'); + } + if (opts.reverse) { + ticks.reverse(); + this.start = this.max; + this.end = this.min; + } else { + this.start = this.min; + this.end = this.max; + } + return ticks; + } + configure() { + const ticks = this.ticks; + let start = this.min; + let end = this.max; + super.configure(); + if (this.options.offset && ticks.length) { + const offset = (end - start) / Math.max(ticks.length - 1, 1) / 2; + start -= offset; + end += offset; + } + this._startValue = start; + this._endValue = end; + this._valueRange = end - start; + } + getLabelForValue(value) { + return helpers_segment.formatNumber(value, this.chart.options.locale, this.options.ticks.format); + } +} + +class LinearScale extends LinearScaleBase { + static id = 'linear'; + static defaults = { + ticks: { + callback: helpers_segment.Ticks.formatters.numeric + } + }; + determineDataLimits() { + const { min , max } = this.getMinMax(true); + this.min = helpers_segment.isNumberFinite(min) ? min : 0; + this.max = helpers_segment.isNumberFinite(max) ? max : 1; + this.handleTickRangeOptions(); + } + computeTickLimit() { + const horizontal = this.isHorizontal(); + const length = horizontal ? this.width : this.height; + const minRotation = helpers_segment.toRadians(this.options.ticks.minRotation); + const ratio = (horizontal ? Math.sin(minRotation) : Math.cos(minRotation)) || 0.001; + const tickFont = this._resolveTickFontOptions(0); + return Math.ceil(length / Math.min(40, tickFont.lineHeight / ratio)); + } + getPixelForValue(value) { + return value === null ? NaN : this.getPixelForDecimal((value - this._startValue) / this._valueRange); + } + getValueForPixel(pixel) { + return this._startValue + this.getDecimalForPixel(pixel) * this._valueRange; + } +} + +const log10Floor = (v)=>Math.floor(helpers_segment.log10(v)); +const changeExponent = (v, m)=>Math.pow(10, log10Floor(v) + m); +function isMajor(tickVal) { + const remain = tickVal / Math.pow(10, log10Floor(tickVal)); + return remain === 1; +} +function steps(min, max, rangeExp) { + const rangeStep = Math.pow(10, rangeExp); + const start = Math.floor(min / rangeStep); + const end = Math.ceil(max / rangeStep); + return end - start; +} +function startExp(min, max) { + const range = max - min; + let rangeExp = log10Floor(range); + while(steps(min, max, rangeExp) > 10){ + rangeExp++; + } + while(steps(min, max, rangeExp) < 10){ + rangeExp--; + } + return Math.min(rangeExp, log10Floor(min)); +} + function generateTicks(generationOptions, { min , max }) { + min = helpers_segment.finiteOrDefault(generationOptions.min, min); + const ticks = []; + const minExp = log10Floor(min); + let exp = startExp(min, max); + let precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1; + const stepSize = Math.pow(10, exp); + const base = minExp > exp ? Math.pow(10, minExp) : 0; + const start = Math.round((min - base) * precision) / precision; + const offset = Math.floor((min - base) / stepSize / 10) * stepSize * 10; + let significand = Math.floor((start - offset) / Math.pow(10, exp)); + let value = helpers_segment.finiteOrDefault(generationOptions.min, Math.round((base + offset + significand * Math.pow(10, exp)) * precision) / precision); + while(value < max){ + ticks.push({ + value, + major: isMajor(value), + significand + }); + if (significand >= 10) { + significand = significand < 15 ? 15 : 20; + } else { + significand++; + } + if (significand >= 20) { + exp++; + significand = 2; + precision = exp >= 0 ? 1 : precision; + } + value = Math.round((base + offset + significand * Math.pow(10, exp)) * precision) / precision; + } + const lastTick = helpers_segment.finiteOrDefault(generationOptions.max, value); + ticks.push({ + value: lastTick, + major: isMajor(lastTick), + significand + }); + return ticks; +} +class LogarithmicScale extends Scale { + static id = 'logarithmic'; + static defaults = { + ticks: { + callback: helpers_segment.Ticks.formatters.logarithmic, + major: { + enabled: true + } + } + }; + constructor(cfg){ + super(cfg); + this.start = undefined; + this.end = undefined; + this._startValue = undefined; + this._valueRange = 0; + } + parse(raw, index) { + const value = LinearScaleBase.prototype.parse.apply(this, [ + raw, + index + ]); + if (value === 0) { + this._zero = true; + return undefined; + } + return helpers_segment.isNumberFinite(value) && value > 0 ? value : null; + } + determineDataLimits() { + const { min , max } = this.getMinMax(true); + this.min = helpers_segment.isNumberFinite(min) ? Math.max(0, min) : null; + this.max = helpers_segment.isNumberFinite(max) ? Math.max(0, max) : null; + if (this.options.beginAtZero) { + this._zero = true; + } + if (this._zero && this.min !== this._suggestedMin && !helpers_segment.isNumberFinite(this._userMin)) { + this.min = min === changeExponent(this.min, 0) ? changeExponent(this.min, -1) : changeExponent(this.min, 0); + } + this.handleTickRangeOptions(); + } + handleTickRangeOptions() { + const { minDefined , maxDefined } = this.getUserBounds(); + let min = this.min; + let max = this.max; + const setMin = (v)=>min = minDefined ? min : v; + const setMax = (v)=>max = maxDefined ? max : v; + if (min === max) { + if (min <= 0) { + setMin(1); + setMax(10); + } else { + setMin(changeExponent(min, -1)); + setMax(changeExponent(max, +1)); + } + } + if (min <= 0) { + setMin(changeExponent(max, -1)); + } + if (max <= 0) { + setMax(changeExponent(min, +1)); + } + this.min = min; + this.max = max; + } + buildTicks() { + const opts = this.options; + const generationOptions = { + min: this._userMin, + max: this._userMax + }; + const ticks = generateTicks(generationOptions, this); + if (opts.bounds === 'ticks') { + helpers_segment._setMinAndMaxByKey(ticks, this, 'value'); + } + if (opts.reverse) { + ticks.reverse(); + this.start = this.max; + this.end = this.min; + } else { + this.start = this.min; + this.end = this.max; + } + return ticks; + } + getLabelForValue(value) { + return value === undefined ? '0' : helpers_segment.formatNumber(value, this.chart.options.locale, this.options.ticks.format); + } + configure() { + const start = this.min; + super.configure(); + this._startValue = helpers_segment.log10(start); + this._valueRange = helpers_segment.log10(this.max) - helpers_segment.log10(start); + } + getPixelForValue(value) { + if (value === undefined || value === 0) { + value = this.min; + } + if (value === null || isNaN(value)) { + return NaN; + } + return this.getPixelForDecimal(value === this.min ? 0 : (helpers_segment.log10(value) - this._startValue) / this._valueRange); + } + getValueForPixel(pixel) { + const decimal = this.getDecimalForPixel(pixel); + return Math.pow(10, this._startValue + decimal * this._valueRange); + } +} + +function getTickBackdropHeight(opts) { + const tickOpts = opts.ticks; + if (tickOpts.display && opts.display) { + const padding = helpers_segment.toPadding(tickOpts.backdropPadding); + return helpers_segment.valueOrDefault(tickOpts.font && tickOpts.font.size, helpers_segment.defaults.font.size) + padding.height; + } + return 0; +} +function measureLabelSize(ctx, font, label) { + label = helpers_segment.isArray(label) ? label : [ + label + ]; + return { + w: helpers_segment._longestText(ctx, font.string, label), + h: label.length * font.lineHeight + }; +} +function determineLimits(angle, pos, size, min, max) { + if (angle === min || angle === max) { + return { + start: pos - size / 2, + end: pos + size / 2 + }; + } else if (angle < min || angle > max) { + return { + start: pos - size, + end: pos + }; + } + return { + start: pos, + end: pos + size + }; +} + function fitWithPointLabels(scale) { + const orig = { + l: scale.left + scale._padding.left, + r: scale.right - scale._padding.right, + t: scale.top + scale._padding.top, + b: scale.bottom - scale._padding.bottom + }; + const limits = Object.assign({}, orig); + const labelSizes = []; + const padding = []; + const valueCount = scale._pointLabels.length; + const pointLabelOpts = scale.options.pointLabels; + const additionalAngle = pointLabelOpts.centerPointLabels ? helpers_segment.PI / valueCount : 0; + for(let i = 0; i < valueCount; i++){ + const opts = pointLabelOpts.setContext(scale.getPointLabelContext(i)); + padding[i] = opts.padding; + const pointPosition = scale.getPointPosition(i, scale.drawingArea + padding[i], additionalAngle); + const plFont = helpers_segment.toFont(opts.font); + const textSize = measureLabelSize(scale.ctx, plFont, scale._pointLabels[i]); + labelSizes[i] = textSize; + const angleRadians = helpers_segment._normalizeAngle(scale.getIndexAngle(i) + additionalAngle); + const angle = Math.round(helpers_segment.toDegrees(angleRadians)); + const hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); + const vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); + updateLimits(limits, orig, angleRadians, hLimits, vLimits); + } + scale.setCenterPoint(orig.l - limits.l, limits.r - orig.r, orig.t - limits.t, limits.b - orig.b); + scale._pointLabelItems = buildPointLabelItems(scale, labelSizes, padding); +} +function updateLimits(limits, orig, angle, hLimits, vLimits) { + const sin = Math.abs(Math.sin(angle)); + const cos = Math.abs(Math.cos(angle)); + let x = 0; + let y = 0; + if (hLimits.start < orig.l) { + x = (orig.l - hLimits.start) / sin; + limits.l = Math.min(limits.l, orig.l - x); + } else if (hLimits.end > orig.r) { + x = (hLimits.end - orig.r) / sin; + limits.r = Math.max(limits.r, orig.r + x); + } + if (vLimits.start < orig.t) { + y = (orig.t - vLimits.start) / cos; + limits.t = Math.min(limits.t, orig.t - y); + } else if (vLimits.end > orig.b) { + y = (vLimits.end - orig.b) / cos; + limits.b = Math.max(limits.b, orig.b + y); + } +} +function createPointLabelItem(scale, index, itemOpts) { + const outerDistance = scale.drawingArea; + const { extra , additionalAngle , padding , size } = itemOpts; + const pointLabelPosition = scale.getPointPosition(index, outerDistance + extra + padding, additionalAngle); + const angle = Math.round(helpers_segment.toDegrees(helpers_segment._normalizeAngle(pointLabelPosition.angle + helpers_segment.HALF_PI))); + const y = yForAngle(pointLabelPosition.y, size.h, angle); + const textAlign = getTextAlignForAngle(angle); + const left = leftForTextAlign(pointLabelPosition.x, size.w, textAlign); + return { + visible: true, + x: pointLabelPosition.x, + y, + textAlign, + left, + top: y, + right: left + size.w, + bottom: y + size.h + }; +} +function isNotOverlapped(item, area) { + if (!area) { + return true; + } + const { left , top , right , bottom } = item; + const apexesInArea = helpers_segment._isPointInArea({ + x: left, + y: top + }, area) || helpers_segment._isPointInArea({ + x: left, + y: bottom + }, area) || helpers_segment._isPointInArea({ + x: right, + y: top + }, area) || helpers_segment._isPointInArea({ + x: right, + y: bottom + }, area); + return !apexesInArea; +} +function buildPointLabelItems(scale, labelSizes, padding) { + const items = []; + const valueCount = scale._pointLabels.length; + const opts = scale.options; + const { centerPointLabels , display } = opts.pointLabels; + const itemOpts = { + extra: getTickBackdropHeight(opts) / 2, + additionalAngle: centerPointLabels ? helpers_segment.PI / valueCount : 0 + }; + let area; + for(let i = 0; i < valueCount; i++){ + itemOpts.padding = padding[i]; + itemOpts.size = labelSizes[i]; + const item = createPointLabelItem(scale, i, itemOpts); + items.push(item); + if (display === 'auto') { + item.visible = isNotOverlapped(item, area); + if (item.visible) { + area = item; + } + } + } + return items; +} +function getTextAlignForAngle(angle) { + if (angle === 0 || angle === 180) { + return 'center'; + } else if (angle < 180) { + return 'left'; + } + return 'right'; +} +function leftForTextAlign(x, w, align) { + if (align === 'right') { + x -= w; + } else if (align === 'center') { + x -= w / 2; + } + return x; +} +function yForAngle(y, h, angle) { + if (angle === 90 || angle === 270) { + y -= h / 2; + } else if (angle > 270 || angle < 90) { + y -= h; + } + return y; +} +function drawPointLabelBox(ctx, opts, item) { + const { left , top , right , bottom } = item; + const { backdropColor } = opts; + if (!helpers_segment.isNullOrUndef(backdropColor)) { + const borderRadius = helpers_segment.toTRBLCorners(opts.borderRadius); + const padding = helpers_segment.toPadding(opts.backdropPadding); + ctx.fillStyle = backdropColor; + const backdropLeft = left - padding.left; + const backdropTop = top - padding.top; + const backdropWidth = right - left + padding.width; + const backdropHeight = bottom - top + padding.height; + if (Object.values(borderRadius).some((v)=>v !== 0)) { + ctx.beginPath(); + helpers_segment.addRoundedRectPath(ctx, { + x: backdropLeft, + y: backdropTop, + w: backdropWidth, + h: backdropHeight, + radius: borderRadius + }); + ctx.fill(); + } else { + ctx.fillRect(backdropLeft, backdropTop, backdropWidth, backdropHeight); + } + } +} +function drawPointLabels(scale, labelCount) { + const { ctx , options: { pointLabels } } = scale; + for(let i = labelCount - 1; i >= 0; i--){ + const item = scale._pointLabelItems[i]; + if (!item.visible) { + continue; + } + const optsAtIndex = pointLabels.setContext(scale.getPointLabelContext(i)); + drawPointLabelBox(ctx, optsAtIndex, item); + const plFont = helpers_segment.toFont(optsAtIndex.font); + const { x , y , textAlign } = item; + helpers_segment.renderText(ctx, scale._pointLabels[i], x, y + plFont.lineHeight / 2, plFont, { + color: optsAtIndex.color, + textAlign: textAlign, + textBaseline: 'middle' + }); + } +} +function pathRadiusLine(scale, radius, circular, labelCount) { + const { ctx } = scale; + if (circular) { + ctx.arc(scale.xCenter, scale.yCenter, radius, 0, helpers_segment.TAU); + } else { + let pointPosition = scale.getPointPosition(0, radius); + ctx.moveTo(pointPosition.x, pointPosition.y); + for(let i = 1; i < labelCount; i++){ + pointPosition = scale.getPointPosition(i, radius); + ctx.lineTo(pointPosition.x, pointPosition.y); + } + } +} +function drawRadiusLine(scale, gridLineOpts, radius, labelCount, borderOpts) { + const ctx = scale.ctx; + const circular = gridLineOpts.circular; + const { color , lineWidth } = gridLineOpts; + if (!circular && !labelCount || !color || !lineWidth || radius < 0) { + return; + } + ctx.save(); + ctx.strokeStyle = color; + ctx.lineWidth = lineWidth; + ctx.setLineDash(borderOpts.dash); + ctx.lineDashOffset = borderOpts.dashOffset; + ctx.beginPath(); + pathRadiusLine(scale, radius, circular, labelCount); + ctx.closePath(); + ctx.stroke(); + ctx.restore(); +} +function createPointLabelContext(parent, index, label) { + return helpers_segment.createContext(parent, { + label, + index, + type: 'pointLabel' + }); +} +class RadialLinearScale extends LinearScaleBase { + static id = 'radialLinear'; + static defaults = { + display: true, + animate: true, + position: 'chartArea', + angleLines: { + display: true, + lineWidth: 1, + borderDash: [], + borderDashOffset: 0.0 + }, + grid: { + circular: false + }, + startAngle: 0, + ticks: { + showLabelBackdrop: true, + callback: helpers_segment.Ticks.formatters.numeric + }, + pointLabels: { + backdropColor: undefined, + backdropPadding: 2, + display: true, + font: { + size: 10 + }, + callback (label) { + return label; + }, + padding: 5, + centerPointLabels: false + } + }; + static defaultRoutes = { + 'angleLines.color': 'borderColor', + 'pointLabels.color': 'color', + 'ticks.color': 'color' + }; + static descriptors = { + angleLines: { + _fallback: 'grid' + } + }; + constructor(cfg){ + super(cfg); + this.xCenter = undefined; + this.yCenter = undefined; + this.drawingArea = undefined; + this._pointLabels = []; + this._pointLabelItems = []; + } + setDimensions() { + const padding = this._padding = helpers_segment.toPadding(getTickBackdropHeight(this.options) / 2); + const w = this.width = this.maxWidth - padding.width; + const h = this.height = this.maxHeight - padding.height; + this.xCenter = Math.floor(this.left + w / 2 + padding.left); + this.yCenter = Math.floor(this.top + h / 2 + padding.top); + this.drawingArea = Math.floor(Math.min(w, h) / 2); + } + determineDataLimits() { + const { min , max } = this.getMinMax(false); + this.min = helpers_segment.isNumberFinite(min) && !isNaN(min) ? min : 0; + this.max = helpers_segment.isNumberFinite(max) && !isNaN(max) ? max : 0; + this.handleTickRangeOptions(); + } + computeTickLimit() { + return Math.ceil(this.drawingArea / getTickBackdropHeight(this.options)); + } + generateTickLabels(ticks) { + LinearScaleBase.prototype.generateTickLabels.call(this, ticks); + this._pointLabels = this.getLabels().map((value, index)=>{ + const label = helpers_segment.callback(this.options.pointLabels.callback, [ + value, + index + ], this); + return label || label === 0 ? label : ''; + }).filter((v, i)=>this.chart.getDataVisibility(i)); + } + fit() { + const opts = this.options; + if (opts.display && opts.pointLabels.display) { + fitWithPointLabels(this); + } else { + this.setCenterPoint(0, 0, 0, 0); + } + } + setCenterPoint(leftMovement, rightMovement, topMovement, bottomMovement) { + this.xCenter += Math.floor((leftMovement - rightMovement) / 2); + this.yCenter += Math.floor((topMovement - bottomMovement) / 2); + this.drawingArea -= Math.min(this.drawingArea / 2, Math.max(leftMovement, rightMovement, topMovement, bottomMovement)); + } + getIndexAngle(index) { + const angleMultiplier = helpers_segment.TAU / (this._pointLabels.length || 1); + const startAngle = this.options.startAngle || 0; + return helpers_segment._normalizeAngle(index * angleMultiplier + helpers_segment.toRadians(startAngle)); + } + getDistanceFromCenterForValue(value) { + if (helpers_segment.isNullOrUndef(value)) { + return NaN; + } + const scalingFactor = this.drawingArea / (this.max - this.min); + if (this.options.reverse) { + return (this.max - value) * scalingFactor; + } + return (value - this.min) * scalingFactor; + } + getValueForDistanceFromCenter(distance) { + if (helpers_segment.isNullOrUndef(distance)) { + return NaN; + } + const scaledDistance = distance / (this.drawingArea / (this.max - this.min)); + return this.options.reverse ? this.max - scaledDistance : this.min + scaledDistance; + } + getPointLabelContext(index) { + const pointLabels = this._pointLabels || []; + if (index >= 0 && index < pointLabels.length) { + const pointLabel = pointLabels[index]; + return createPointLabelContext(this.getContext(), index, pointLabel); + } + } + getPointPosition(index, distanceFromCenter, additionalAngle = 0) { + const angle = this.getIndexAngle(index) - helpers_segment.HALF_PI + additionalAngle; + return { + x: Math.cos(angle) * distanceFromCenter + this.xCenter, + y: Math.sin(angle) * distanceFromCenter + this.yCenter, + angle + }; + } + getPointPositionForValue(index, value) { + return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); + } + getBasePosition(index) { + return this.getPointPositionForValue(index || 0, this.getBaseValue()); + } + getPointLabelPosition(index) { + const { left , top , right , bottom } = this._pointLabelItems[index]; + return { + left, + top, + right, + bottom + }; + } + drawBackground() { + const { backgroundColor , grid: { circular } } = this.options; + if (backgroundColor) { + const ctx = this.ctx; + ctx.save(); + ctx.beginPath(); + pathRadiusLine(this, this.getDistanceFromCenterForValue(this._endValue), circular, this._pointLabels.length); + ctx.closePath(); + ctx.fillStyle = backgroundColor; + ctx.fill(); + ctx.restore(); + } + } + drawGrid() { + const ctx = this.ctx; + const opts = this.options; + const { angleLines , grid , border } = opts; + const labelCount = this._pointLabels.length; + let i, offset, position; + if (opts.pointLabels.display) { + drawPointLabels(this, labelCount); + } + if (grid.display) { + this.ticks.forEach((tick, index)=>{ + if (index !== 0) { + offset = this.getDistanceFromCenterForValue(tick.value); + const context = this.getContext(index); + const optsAtIndex = grid.setContext(context); + const optsAtIndexBorder = border.setContext(context); + drawRadiusLine(this, optsAtIndex, offset, labelCount, optsAtIndexBorder); + } + }); + } + if (angleLines.display) { + ctx.save(); + for(i = labelCount - 1; i >= 0; i--){ + const optsAtIndex = angleLines.setContext(this.getPointLabelContext(i)); + const { color , lineWidth } = optsAtIndex; + if (!lineWidth || !color) { + continue; + } + ctx.lineWidth = lineWidth; + ctx.strokeStyle = color; + ctx.setLineDash(optsAtIndex.borderDash); + ctx.lineDashOffset = optsAtIndex.borderDashOffset; + offset = this.getDistanceFromCenterForValue(opts.ticks.reverse ? this.min : this.max); + position = this.getPointPosition(i, offset); + ctx.beginPath(); + ctx.moveTo(this.xCenter, this.yCenter); + ctx.lineTo(position.x, position.y); + ctx.stroke(); + } + ctx.restore(); + } + } + drawBorder() {} + drawLabels() { + const ctx = this.ctx; + const opts = this.options; + const tickOpts = opts.ticks; + if (!tickOpts.display) { + return; + } + const startAngle = this.getIndexAngle(0); + let offset, width; + ctx.save(); + ctx.translate(this.xCenter, this.yCenter); + ctx.rotate(startAngle); + ctx.textAlign = 'center'; + ctx.textBaseline = 'middle'; + this.ticks.forEach((tick, index)=>{ + if (index === 0 && !opts.reverse) { + return; + } + const optsAtIndex = tickOpts.setContext(this.getContext(index)); + const tickFont = helpers_segment.toFont(optsAtIndex.font); + offset = this.getDistanceFromCenterForValue(this.ticks[index].value); + if (optsAtIndex.showLabelBackdrop) { + ctx.font = tickFont.string; + width = ctx.measureText(tick.label).width; + ctx.fillStyle = optsAtIndex.backdropColor; + const padding = helpers_segment.toPadding(optsAtIndex.backdropPadding); + ctx.fillRect(-width / 2 - padding.left, -offset - tickFont.size / 2 - padding.top, width + padding.width, tickFont.size + padding.height); + } + helpers_segment.renderText(ctx, tick.label, 0, -offset, tickFont, { + color: optsAtIndex.color, + strokeColor: optsAtIndex.textStrokeColor, + strokeWidth: optsAtIndex.textStrokeWidth + }); + }); + ctx.restore(); + } + drawTitle() {} +} + +const INTERVALS = { + millisecond: { + common: true, + size: 1, + steps: 1000 + }, + second: { + common: true, + size: 1000, + steps: 60 + }, + minute: { + common: true, + size: 60000, + steps: 60 + }, + hour: { + common: true, + size: 3600000, + steps: 24 + }, + day: { + common: true, + size: 86400000, + steps: 30 + }, + week: { + common: false, + size: 604800000, + steps: 4 + }, + month: { + common: true, + size: 2.628e9, + steps: 12 + }, + quarter: { + common: false, + size: 7.884e9, + steps: 4 + }, + year: { + common: true, + size: 3.154e10 + } +}; + const UNITS = /* #__PURE__ */ Object.keys(INTERVALS); + function sorter(a, b) { + return a - b; +} + function parse(scale, input) { + if (helpers_segment.isNullOrUndef(input)) { + return null; + } + const adapter = scale._adapter; + const { parser , round , isoWeekday } = scale._parseOpts; + let value = input; + if (typeof parser === 'function') { + value = parser(value); + } + if (!helpers_segment.isNumberFinite(value)) { + value = typeof parser === 'string' ? adapter.parse(value, parser) : adapter.parse(value); + } + if (value === null) { + return null; + } + if (round) { + value = round === 'week' && (helpers_segment.isNumber(isoWeekday) || isoWeekday === true) ? adapter.startOf(value, 'isoWeek', isoWeekday) : adapter.startOf(value, round); + } + return +value; +} + function determineUnitForAutoTicks(minUnit, min, max, capacity) { + const ilen = UNITS.length; + for(let i = UNITS.indexOf(minUnit); i < ilen - 1; ++i){ + const interval = INTERVALS[UNITS[i]]; + const factor = interval.steps ? interval.steps : Number.MAX_SAFE_INTEGER; + if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) { + return UNITS[i]; + } + } + return UNITS[ilen - 1]; +} + function determineUnitForFormatting(scale, numTicks, minUnit, min, max) { + for(let i = UNITS.length - 1; i >= UNITS.indexOf(minUnit); i--){ + const unit = UNITS[i]; + if (INTERVALS[unit].common && scale._adapter.diff(max, min, unit) >= numTicks - 1) { + return unit; + } + } + return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0]; +} + function determineMajorUnit(unit) { + for(let i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i){ + if (INTERVALS[UNITS[i]].common) { + return UNITS[i]; + } + } +} + function addTick(ticks, time, timestamps) { + if (!timestamps) { + ticks[time] = true; + } else if (timestamps.length) { + const { lo , hi } = helpers_segment._lookup(timestamps, time); + const timestamp = timestamps[lo] >= time ? timestamps[lo] : timestamps[hi]; + ticks[timestamp] = true; + } +} + function setMajorTicks(scale, ticks, map, majorUnit) { + const adapter = scale._adapter; + const first = +adapter.startOf(ticks[0].value, majorUnit); + const last = ticks[ticks.length - 1].value; + let major, index; + for(major = first; major <= last; major = +adapter.add(major, 1, majorUnit)){ + index = map[major]; + if (index >= 0) { + ticks[index].major = true; + } + } + return ticks; +} + function ticksFromTimestamps(scale, values, majorUnit) { + const ticks = []; + const map = {}; + const ilen = values.length; + let i, value; + for(i = 0; i < ilen; ++i){ + value = values[i]; + map[value] = i; + ticks.push({ + value, + major: false + }); + } + return ilen === 0 || !majorUnit ? ticks : setMajorTicks(scale, ticks, map, majorUnit); +} +class TimeScale extends Scale { + static id = 'time'; + static defaults = { + bounds: 'data', + adapters: {}, + time: { + parser: false, + unit: false, + round: false, + isoWeekday: false, + minUnit: 'millisecond', + displayFormats: {} + }, + ticks: { + source: 'auto', + callback: false, + major: { + enabled: false + } + } + }; + constructor(props){ + super(props); + this._cache = { + data: [], + labels: [], + all: [] + }; + this._unit = 'day'; + this._majorUnit = undefined; + this._offsets = {}; + this._normalized = false; + this._parseOpts = undefined; + } + init(scaleOpts, opts = {}) { + const time = scaleOpts.time || (scaleOpts.time = {}); + const adapter = this._adapter = new adapters._date(scaleOpts.adapters.date); + adapter.init(opts); + helpers_segment.mergeIf(time.displayFormats, adapter.formats()); + this._parseOpts = { + parser: time.parser, + round: time.round, + isoWeekday: time.isoWeekday + }; + super.init(scaleOpts); + this._normalized = opts.normalized; + } + parse(raw, index) { + if (raw === undefined) { + return null; + } + return parse(this, raw); + } + beforeLayout() { + super.beforeLayout(); + this._cache = { + data: [], + labels: [], + all: [] + }; + } + determineDataLimits() { + const options = this.options; + const adapter = this._adapter; + const unit = options.time.unit || 'day'; + let { min , max , minDefined , maxDefined } = this.getUserBounds(); + function _applyBounds(bounds) { + if (!minDefined && !isNaN(bounds.min)) { + min = Math.min(min, bounds.min); + } + if (!maxDefined && !isNaN(bounds.max)) { + max = Math.max(max, bounds.max); + } + } + if (!minDefined || !maxDefined) { + _applyBounds(this._getLabelBounds()); + if (options.bounds !== 'ticks' || options.ticks.source !== 'labels') { + _applyBounds(this.getMinMax(false)); + } + } + min = helpers_segment.isNumberFinite(min) && !isNaN(min) ? min : +adapter.startOf(Date.now(), unit); + max = helpers_segment.isNumberFinite(max) && !isNaN(max) ? max : +adapter.endOf(Date.now(), unit) + 1; + this.min = Math.min(min, max - 1); + this.max = Math.max(min + 1, max); + } + _getLabelBounds() { + const arr = this.getLabelTimestamps(); + let min = Number.POSITIVE_INFINITY; + let max = Number.NEGATIVE_INFINITY; + if (arr.length) { + min = arr[0]; + max = arr[arr.length - 1]; + } + return { + min, + max + }; + } + buildTicks() { + const options = this.options; + const timeOpts = options.time; + const tickOpts = options.ticks; + const timestamps = tickOpts.source === 'labels' ? this.getLabelTimestamps() : this._generate(); + if (options.bounds === 'ticks' && timestamps.length) { + this.min = this._userMin || timestamps[0]; + this.max = this._userMax || timestamps[timestamps.length - 1]; + } + const min = this.min; + const max = this.max; + const ticks = helpers_segment._filterBetween(timestamps, min, max); + this._unit = timeOpts.unit || (tickOpts.autoSkip ? determineUnitForAutoTicks(timeOpts.minUnit, this.min, this.max, this._getLabelCapacity(min)) : determineUnitForFormatting(this, ticks.length, timeOpts.minUnit, this.min, this.max)); + this._majorUnit = !tickOpts.major.enabled || this._unit === 'year' ? undefined : determineMajorUnit(this._unit); + this.initOffsets(timestamps); + if (options.reverse) { + ticks.reverse(); + } + return ticksFromTimestamps(this, ticks, this._majorUnit); + } + afterAutoSkip() { + if (this.options.offsetAfterAutoskip) { + this.initOffsets(this.ticks.map((tick)=>+tick.value)); + } + } + initOffsets(timestamps = []) { + let start = 0; + let end = 0; + let first, last; + if (this.options.offset && timestamps.length) { + first = this.getDecimalForValue(timestamps[0]); + if (timestamps.length === 1) { + start = 1 - first; + } else { + start = (this.getDecimalForValue(timestamps[1]) - first) / 2; + } + last = this.getDecimalForValue(timestamps[timestamps.length - 1]); + if (timestamps.length === 1) { + end = last; + } else { + end = (last - this.getDecimalForValue(timestamps[timestamps.length - 2])) / 2; + } + } + const limit = timestamps.length < 3 ? 0.5 : 0.25; + start = helpers_segment._limitValue(start, 0, limit); + end = helpers_segment._limitValue(end, 0, limit); + this._offsets = { + start, + end, + factor: 1 / (start + 1 + end) + }; + } + _generate() { + const adapter = this._adapter; + const min = this.min; + const max = this.max; + const options = this.options; + const timeOpts = options.time; + const minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, this._getLabelCapacity(min)); + const stepSize = helpers_segment.valueOrDefault(options.ticks.stepSize, 1); + const weekday = minor === 'week' ? timeOpts.isoWeekday : false; + const hasWeekday = helpers_segment.isNumber(weekday) || weekday === true; + const ticks = {}; + let first = min; + let time, count; + if (hasWeekday) { + first = +adapter.startOf(first, 'isoWeek', weekday); + } + first = +adapter.startOf(first, hasWeekday ? 'day' : minor); + if (adapter.diff(max, min, minor) > 100000 * stepSize) { + throw new Error(min + ' and ' + max + ' are too far apart with stepSize of ' + stepSize + ' ' + minor); + } + const timestamps = options.ticks.source === 'data' && this.getDataTimestamps(); + for(time = first, count = 0; time < max; time = +adapter.add(time, stepSize, minor), count++){ + addTick(ticks, time, timestamps); + } + if (time === max || options.bounds === 'ticks' || count === 1) { + addTick(ticks, time, timestamps); + } + return Object.keys(ticks).sort(sorter).map((x)=>+x); + } + getLabelForValue(value) { + const adapter = this._adapter; + const timeOpts = this.options.time; + if (timeOpts.tooltipFormat) { + return adapter.format(value, timeOpts.tooltipFormat); + } + return adapter.format(value, timeOpts.displayFormats.datetime); + } + format(value, format) { + const options = this.options; + const formats = options.time.displayFormats; + const unit = this._unit; + const fmt = format || formats[unit]; + return this._adapter.format(value, fmt); + } + _tickFormatFunction(time, index, ticks, format) { + const options = this.options; + const formatter = options.ticks.callback; + if (formatter) { + return helpers_segment.callback(formatter, [ + time, + index, + ticks + ], this); + } + const formats = options.time.displayFormats; + const unit = this._unit; + const majorUnit = this._majorUnit; + const minorFormat = unit && formats[unit]; + const majorFormat = majorUnit && formats[majorUnit]; + const tick = ticks[index]; + const major = majorUnit && majorFormat && tick && tick.major; + return this._adapter.format(time, format || (major ? majorFormat : minorFormat)); + } + generateTickLabels(ticks) { + let i, ilen, tick; + for(i = 0, ilen = ticks.length; i < ilen; ++i){ + tick = ticks[i]; + tick.label = this._tickFormatFunction(tick.value, i, ticks); + } + } + getDecimalForValue(value) { + return value === null ? NaN : (value - this.min) / (this.max - this.min); + } + getPixelForValue(value) { + const offsets = this._offsets; + const pos = this.getDecimalForValue(value); + return this.getPixelForDecimal((offsets.start + pos) * offsets.factor); + } + getValueForPixel(pixel) { + const offsets = this._offsets; + const pos = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end; + return this.min + pos * (this.max - this.min); + } + _getLabelSize(label) { + const ticksOpts = this.options.ticks; + const tickLabelWidth = this.ctx.measureText(label).width; + const angle = helpers_segment.toRadians(this.isHorizontal() ? ticksOpts.maxRotation : ticksOpts.minRotation); + const cosRotation = Math.cos(angle); + const sinRotation = Math.sin(angle); + const tickFontSize = this._resolveTickFontOptions(0).size; + return { + w: tickLabelWidth * cosRotation + tickFontSize * sinRotation, + h: tickLabelWidth * sinRotation + tickFontSize * cosRotation + }; + } + _getLabelCapacity(exampleTime) { + const timeOpts = this.options.time; + const displayFormats = timeOpts.displayFormats; + const format = displayFormats[timeOpts.unit] || displayFormats.millisecond; + const exampleLabel = this._tickFormatFunction(exampleTime, 0, ticksFromTimestamps(this, [ + exampleTime + ], this._majorUnit), format); + const size = this._getLabelSize(exampleLabel); + const capacity = Math.floor(this.isHorizontal() ? this.width / size.w : this.height / size.h) - 1; + return capacity > 0 ? capacity : 1; + } + getDataTimestamps() { + let timestamps = this._cache.data || []; + let i, ilen; + if (timestamps.length) { + return timestamps; + } + const metas = this.getMatchingVisibleMetas(); + if (this._normalized && metas.length) { + return this._cache.data = metas[0].controller.getAllParsedValues(this); + } + for(i = 0, ilen = metas.length; i < ilen; ++i){ + timestamps = timestamps.concat(metas[i].controller.getAllParsedValues(this)); + } + return this._cache.data = this.normalize(timestamps); + } + getLabelTimestamps() { + const timestamps = this._cache.labels || []; + let i, ilen; + if (timestamps.length) { + return timestamps; + } + const labels = this.getLabels(); + for(i = 0, ilen = labels.length; i < ilen; ++i){ + timestamps.push(parse(this, labels[i])); + } + return this._cache.labels = this._normalized ? timestamps : this.normalize(timestamps); + } + normalize(values) { + return helpers_segment._arrayUnique(values.sort(sorter)); + } +} + +function interpolate(table, val, reverse) { + let lo = 0; + let hi = table.length - 1; + let prevSource, nextSource, prevTarget, nextTarget; + if (reverse) { + if (val >= table[lo].pos && val <= table[hi].pos) { + ({ lo , hi } = helpers_segment._lookupByKey(table, 'pos', val)); + } + ({ pos: prevSource , time: prevTarget } = table[lo]); + ({ pos: nextSource , time: nextTarget } = table[hi]); + } else { + if (val >= table[lo].time && val <= table[hi].time) { + ({ lo , hi } = helpers_segment._lookupByKey(table, 'time', val)); + } + ({ time: prevSource , pos: prevTarget } = table[lo]); + ({ time: nextSource , pos: nextTarget } = table[hi]); + } + const span = nextSource - prevSource; + return span ? prevTarget + (nextTarget - prevTarget) * (val - prevSource) / span : prevTarget; +} +class TimeSeriesScale extends TimeScale { + static id = 'timeseries'; + static defaults = TimeScale.defaults; + constructor(props){ + super(props); + this._table = []; + this._minPos = undefined; + this._tableRange = undefined; + } + initOffsets() { + const timestamps = this._getTimestampsForTable(); + const table = this._table = this.buildLookupTable(timestamps); + this._minPos = interpolate(table, this.min); + this._tableRange = interpolate(table, this.max) - this._minPos; + super.initOffsets(timestamps); + } + buildLookupTable(timestamps) { + const { min , max } = this; + const items = []; + const table = []; + let i, ilen, prev, curr, next; + for(i = 0, ilen = timestamps.length; i < ilen; ++i){ + curr = timestamps[i]; + if (curr >= min && curr <= max) { + items.push(curr); + } + } + if (items.length < 2) { + return [ + { + time: min, + pos: 0 + }, + { + time: max, + pos: 1 + } + ]; + } + for(i = 0, ilen = items.length; i < ilen; ++i){ + next = items[i + 1]; + prev = items[i - 1]; + curr = items[i]; + if (Math.round((next + prev) / 2) !== curr) { + table.push({ + time: curr, + pos: i / (ilen - 1) + }); + } + } + return table; + } + _generate() { + const min = this.min; + const max = this.max; + let timestamps = super.getDataTimestamps(); + if (!timestamps.includes(min) || !timestamps.length) { + timestamps.splice(0, 0, min); + } + if (!timestamps.includes(max) || timestamps.length === 1) { + timestamps.push(max); + } + return timestamps.sort((a, b)=>a - b); + } + _getTimestampsForTable() { + let timestamps = this._cache.all || []; + if (timestamps.length) { + return timestamps; + } + const data = this.getDataTimestamps(); + const label = this.getLabelTimestamps(); + if (data.length && label.length) { + timestamps = this.normalize(data.concat(label)); + } else { + timestamps = data.length ? data : label; + } + timestamps = this._cache.all = timestamps; + return timestamps; + } + getDecimalForValue(value) { + return (interpolate(this._table, value) - this._minPos) / this._tableRange; + } + getValueForPixel(pixel) { + const offsets = this._offsets; + const decimal = this.getDecimalForPixel(pixel) / offsets.factor - offsets.end; + return interpolate(this._table, decimal * this._tableRange + this._minPos, true); + } +} + +var scales = /*#__PURE__*/Object.freeze({ +__proto__: null, +CategoryScale: CategoryScale, +LinearScale: LinearScale, +LogarithmicScale: LogarithmicScale, +RadialLinearScale: RadialLinearScale, +TimeScale: TimeScale, +TimeSeriesScale: TimeSeriesScale +}); + +const registerables = [ + controllers, + elements, + plugins, + scales +]; + +exports.Ticks = helpers_segment.Ticks; +exports.defaults = helpers_segment.defaults; +exports.Animation = Animation; +exports.Animations = Animations; +exports.ArcElement = ArcElement; +exports.BarController = BarController; +exports.BarElement = BarElement; +exports.BasePlatform = BasePlatform; +exports.BasicPlatform = BasicPlatform; +exports.BubbleController = BubbleController; +exports.CategoryScale = CategoryScale; +exports.Chart = Chart; +exports.Colors = plugin_colors; +exports.DatasetController = DatasetController; +exports.Decimation = plugin_decimation; +exports.DomPlatform = DomPlatform; +exports.DoughnutController = DoughnutController; +exports.Element = Element; +exports.Filler = index; +exports.Interaction = Interaction; +exports.Legend = plugin_legend; +exports.LineController = LineController; +exports.LineElement = LineElement; +exports.LinearScale = LinearScale; +exports.LogarithmicScale = LogarithmicScale; +exports.PieController = PieController; +exports.PointElement = PointElement; +exports.PolarAreaController = PolarAreaController; +exports.RadarController = RadarController; +exports.RadialLinearScale = RadialLinearScale; +exports.Scale = Scale; +exports.ScatterController = ScatterController; +exports.SubTitle = plugin_subtitle; +exports.TimeScale = TimeScale; +exports.TimeSeriesScale = TimeSeriesScale; +exports.Title = plugin_title; +exports.Tooltip = plugin_tooltip; +exports._adapters = adapters; +exports._detectPlatform = _detectPlatform; +exports.animator = animator; +exports.controllers = controllers; +exports.elements = elements; +exports.layouts = layouts; +exports.plugins = plugins; +exports.registerables = registerables; +exports.registry = registry; +exports.scales = scales; +//# sourceMappingURL=chart.cjs.map + + +/***/ }), + +/***/ 7904: +/***/ ((__unused_webpack_module, exports, __nccwpck_require__) => { + +"use strict"; +/*! + * Chart.js v4.4.0 + * https://www.chartjs.org + * (c) 2023 Chart.js Contributors + * Released under the MIT License + */ + + +var color$1 = __nccwpck_require__(8620); + +/** + * @namespace Chart.helpers + */ /** + * An empty function that can be used, for example, for optional callback. + */ function noop() { +/* noop */ } +/** + * Returns a unique id, sequentially generated from a global variable. + */ const uid = (()=>{ + let id = 0; + return ()=>id++; +})(); +/** + * Returns true if `value` is neither null nor undefined, else returns false. + * @param value - The value to test. + * @since 2.7.0 + */ function isNullOrUndef(value) { + return value === null || typeof value === 'undefined'; +} +/** + * Returns true if `value` is an array (including typed arrays), else returns false. + * @param value - The value to test. + * @function + */ function isArray(value) { + if (Array.isArray && Array.isArray(value)) { + return true; + } + const type = Object.prototype.toString.call(value); + if (type.slice(0, 7) === '[object' && type.slice(-6) === 'Array]') { + return true; + } + return false; +} +/** + * Returns true if `value` is an object (excluding null), else returns false. + * @param value - The value to test. + * @since 2.7.0 + */ function isObject(value) { + return value !== null && Object.prototype.toString.call(value) === '[object Object]'; +} +/** + * Returns true if `value` is a finite number, else returns false + * @param value - The value to test. + */ function isNumberFinite(value) { + return (typeof value === 'number' || value instanceof Number) && isFinite(+value); +} +/** + * Returns `value` if finite, else returns `defaultValue`. + * @param value - The value to return if defined. + * @param defaultValue - The value to return if `value` is not finite. + */ function finiteOrDefault(value, defaultValue) { + return isNumberFinite(value) ? value : defaultValue; +} +/** + * Returns `value` if defined, else returns `defaultValue`. + * @param value - The value to return if defined. + * @param defaultValue - The value to return if `value` is undefined. + */ function valueOrDefault(value, defaultValue) { + return typeof value === 'undefined' ? defaultValue : value; +} +const toPercentage = (value, dimension)=>typeof value === 'string' && value.endsWith('%') ? parseFloat(value) / 100 : +value / dimension; +const toDimension = (value, dimension)=>typeof value === 'string' && value.endsWith('%') ? parseFloat(value) / 100 * dimension : +value; +/** + * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the + * value returned by `fn`. If `fn` is not a function, this method returns undefined. + * @param fn - The function to call. + * @param args - The arguments with which `fn` should be called. + * @param [thisArg] - The value of `this` provided for the call to `fn`. + */ function callback(fn, args, thisArg) { + if (fn && typeof fn.call === 'function') { + return fn.apply(thisArg, args); + } +} +function each(loopable, fn, thisArg, reverse) { + let i, len, keys; + if (isArray(loopable)) { + len = loopable.length; + if (reverse) { + for(i = len - 1; i >= 0; i--){ + fn.call(thisArg, loopable[i], i); + } + } else { + for(i = 0; i < len; i++){ + fn.call(thisArg, loopable[i], i); + } + } + } else if (isObject(loopable)) { + keys = Object.keys(loopable); + len = keys.length; + for(i = 0; i < len; i++){ + fn.call(thisArg, loopable[keys[i]], keys[i]); + } + } +} +/** + * Returns true if the `a0` and `a1` arrays have the same content, else returns false. + * @param a0 - The array to compare + * @param a1 - The array to compare + * @private + */ function _elementsEqual(a0, a1) { + let i, ilen, v0, v1; + if (!a0 || !a1 || a0.length !== a1.length) { + return false; + } + for(i = 0, ilen = a0.length; i < ilen; ++i){ + v0 = a0[i]; + v1 = a1[i]; + if (v0.datasetIndex !== v1.datasetIndex || v0.index !== v1.index) { + return false; + } + } + return true; +} +/** + * Returns a deep copy of `source` without keeping references on objects and arrays. + * @param source - The value to clone. + */ function clone(source) { + if (isArray(source)) { + return source.map(clone); + } + if (isObject(source)) { + const target = Object.create(null); + const keys = Object.keys(source); + const klen = keys.length; + let k = 0; + for(; k < klen; ++k){ + target[keys[k]] = clone(source[keys[k]]); + } + return target; + } + return source; +} +function isValidKey(key) { + return [ + '__proto__', + 'prototype', + 'constructor' + ].indexOf(key) === -1; +} +/** + * The default merger when Chart.helpers.merge is called without merger option. + * Note(SB): also used by mergeConfig and mergeScaleConfig as fallback. + * @private + */ function _merger(key, target, source, options) { + if (!isValidKey(key)) { + return; + } + const tval = target[key]; + const sval = source[key]; + if (isObject(tval) && isObject(sval)) { + // eslint-disable-next-line @typescript-eslint/no-use-before-define + merge(tval, sval, options); + } else { + target[key] = clone(sval); + } +} +function merge(target, source, options) { + const sources = isArray(source) ? source : [ + source + ]; + const ilen = sources.length; + if (!isObject(target)) { + return target; + } + options = options || {}; + const merger = options.merger || _merger; + let current; + for(let i = 0; i < ilen; ++i){ + current = sources[i]; + if (!isObject(current)) { + continue; + } + const keys = Object.keys(current); + for(let k = 0, klen = keys.length; k < klen; ++k){ + merger(keys[k], target, current, options); + } + } + return target; +} +function mergeIf(target, source) { + // eslint-disable-next-line @typescript-eslint/no-use-before-define + return merge(target, source, { + merger: _mergerIf + }); +} +/** + * Merges source[key] in target[key] only if target[key] is undefined. + * @private + */ function _mergerIf(key, target, source) { + if (!isValidKey(key)) { + return; + } + const tval = target[key]; + const sval = source[key]; + if (isObject(tval) && isObject(sval)) { + mergeIf(tval, sval); + } else if (!Object.prototype.hasOwnProperty.call(target, key)) { + target[key] = clone(sval); + } +} +/** + * @private + */ function _deprecated(scope, value, previous, current) { + if (value !== undefined) { + console.warn(scope + ': "' + previous + '" is deprecated. Please use "' + current + '" instead'); + } +} +// resolveObjectKey resolver cache +const keyResolvers = { + // Chart.helpers.core resolveObjectKey should resolve empty key to root object + '': (v)=>v, + // default resolvers + x: (o)=>o.x, + y: (o)=>o.y +}; +/** + * @private + */ function _splitKey(key) { + const parts = key.split('.'); + const keys = []; + let tmp = ''; + for (const part of parts){ + tmp += part; + if (tmp.endsWith('\\')) { + tmp = tmp.slice(0, -1) + '.'; + } else { + keys.push(tmp); + tmp = ''; + } + } + return keys; +} +function _getKeyResolver(key) { + const keys = _splitKey(key); + return (obj)=>{ + for (const k of keys){ + if (k === '') { + break; + } + obj = obj && obj[k]; + } + return obj; + }; +} +function resolveObjectKey(obj, key) { + const resolver = keyResolvers[key] || (keyResolvers[key] = _getKeyResolver(key)); + return resolver(obj); +} +/** + * @private + */ function _capitalize(str) { + return str.charAt(0).toUpperCase() + str.slice(1); +} +const defined = (value)=>typeof value !== 'undefined'; +const isFunction = (value)=>typeof value === 'function'; +// Adapted from https://stackoverflow.com/questions/31128855/comparing-ecma6-sets-for-equality#31129384 +const setsEqual = (a, b)=>{ + if (a.size !== b.size) { + return false; + } + for (const item of a){ + if (!b.has(item)) { + return false; + } + } + return true; +}; +/** + * @param e - The event + * @private + */ function _isClickEvent(e) { + return e.type === 'mouseup' || e.type === 'click' || e.type === 'contextmenu'; +} + +/** + * @alias Chart.helpers.math + * @namespace + */ const PI = Math.PI; +const TAU = 2 * PI; +const PITAU = TAU + PI; +const INFINITY = Number.POSITIVE_INFINITY; +const RAD_PER_DEG = PI / 180; +const HALF_PI = PI / 2; +const QUARTER_PI = PI / 4; +const TWO_THIRDS_PI = PI * 2 / 3; +const log10 = Math.log10; +const sign = Math.sign; +function almostEquals(x, y, epsilon) { + return Math.abs(x - y) < epsilon; +} +/** + * Implementation of the nice number algorithm used in determining where axis labels will go + */ function niceNum(range) { + const roundedRange = Math.round(range); + range = almostEquals(range, roundedRange, range / 1000) ? roundedRange : range; + const niceRange = Math.pow(10, Math.floor(log10(range))); + const fraction = range / niceRange; + const niceFraction = fraction <= 1 ? 1 : fraction <= 2 ? 2 : fraction <= 5 ? 5 : 10; + return niceFraction * niceRange; +} +/** + * Returns an array of factors sorted from 1 to sqrt(value) + * @private + */ function _factorize(value) { + const result = []; + const sqrt = Math.sqrt(value); + let i; + for(i = 1; i < sqrt; i++){ + if (value % i === 0) { + result.push(i); + result.push(value / i); + } + } + if (sqrt === (sqrt | 0)) { + result.push(sqrt); + } + result.sort((a, b)=>a - b).pop(); + return result; +} +function isNumber(n) { + return !isNaN(parseFloat(n)) && isFinite(n); +} +function almostWhole(x, epsilon) { + const rounded = Math.round(x); + return rounded - epsilon <= x && rounded + epsilon >= x; +} +/** + * @private + */ function _setMinAndMaxByKey(array, target, property) { + let i, ilen, value; + for(i = 0, ilen = array.length; i < ilen; i++){ + value = array[i][property]; + if (!isNaN(value)) { + target.min = Math.min(target.min, value); + target.max = Math.max(target.max, value); + } + } +} +function toRadians(degrees) { + return degrees * (PI / 180); +} +function toDegrees(radians) { + return radians * (180 / PI); +} +/** + * Returns the number of decimal places + * i.e. the number of digits after the decimal point, of the value of this Number. + * @param x - A number. + * @returns The number of decimal places. + * @private + */ function _decimalPlaces(x) { + if (!isNumberFinite(x)) { + return; + } + let e = 1; + let p = 0; + while(Math.round(x * e) / e !== x){ + e *= 10; + p++; + } + return p; +} +// Gets the angle from vertical upright to the point about a centre. +function getAngleFromPoint(centrePoint, anglePoint) { + const distanceFromXCenter = anglePoint.x - centrePoint.x; + const distanceFromYCenter = anglePoint.y - centrePoint.y; + const radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); + let angle = Math.atan2(distanceFromYCenter, distanceFromXCenter); + if (angle < -0.5 * PI) { + angle += TAU; // make sure the returned angle is in the range of (-PI/2, 3PI/2] + } + return { + angle, + distance: radialDistanceFromCenter + }; +} +function distanceBetweenPoints(pt1, pt2) { + return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2)); +} +/** + * Shortest distance between angles, in either direction. + * @private + */ function _angleDiff(a, b) { + return (a - b + PITAU) % TAU - PI; +} +/** + * Normalize angle to be between 0 and 2*PI + * @private + */ function _normalizeAngle(a) { + return (a % TAU + TAU) % TAU; +} +/** + * @private + */ function _angleBetween(angle, start, end, sameAngleIsFullCircle) { + const a = _normalizeAngle(angle); + const s = _normalizeAngle(start); + const e = _normalizeAngle(end); + const angleToStart = _normalizeAngle(s - a); + const angleToEnd = _normalizeAngle(e - a); + const startToAngle = _normalizeAngle(a - s); + const endToAngle = _normalizeAngle(a - e); + return a === s || a === e || sameAngleIsFullCircle && s === e || angleToStart > angleToEnd && startToAngle < endToAngle; +} +/** + * Limit `value` between `min` and `max` + * @param value + * @param min + * @param max + * @private + */ function _limitValue(value, min, max) { + return Math.max(min, Math.min(max, value)); +} +/** + * @param {number} value + * @private + */ function _int16Range(value) { + return _limitValue(value, -32768, 32767); +} +/** + * @param value + * @param start + * @param end + * @param [epsilon] + * @private + */ function _isBetween(value, start, end, epsilon = 1e-6) { + return value >= Math.min(start, end) - epsilon && value <= Math.max(start, end) + epsilon; +} + +function _lookup(table, value, cmp) { + cmp = cmp || ((index)=>table[index] < value); + let hi = table.length - 1; + let lo = 0; + let mid; + while(hi - lo > 1){ + mid = lo + hi >> 1; + if (cmp(mid)) { + lo = mid; + } else { + hi = mid; + } + } + return { + lo, + hi + }; +} +/** + * Binary search + * @param table - the table search. must be sorted! + * @param key - property name for the value in each entry + * @param value - value to find + * @param last - lookup last index + * @private + */ const _lookupByKey = (table, key, value, last)=>_lookup(table, value, last ? (index)=>{ + const ti = table[index][key]; + return ti < value || ti === value && table[index + 1][key] === value; + } : (index)=>table[index][key] < value); +/** + * Reverse binary search + * @param table - the table search. must be sorted! + * @param key - property name for the value in each entry + * @param value - value to find + * @private + */ const _rlookupByKey = (table, key, value)=>_lookup(table, value, (index)=>table[index][key] >= value); +/** + * Return subset of `values` between `min` and `max` inclusive. + * Values are assumed to be in sorted order. + * @param values - sorted array of values + * @param min - min value + * @param max - max value + */ function _filterBetween(values, min, max) { + let start = 0; + let end = values.length; + while(start < end && values[start] < min){ + start++; + } + while(end > start && values[end - 1] > max){ + end--; + } + return start > 0 || end < values.length ? values.slice(start, end) : values; +} +const arrayEvents = [ + 'push', + 'pop', + 'shift', + 'splice', + 'unshift' +]; +function listenArrayEvents(array, listener) { + if (array._chartjs) { + array._chartjs.listeners.push(listener); + return; + } + Object.defineProperty(array, '_chartjs', { + configurable: true, + enumerable: false, + value: { + listeners: [ + listener + ] + } + }); + arrayEvents.forEach((key)=>{ + const method = '_onData' + _capitalize(key); + const base = array[key]; + Object.defineProperty(array, key, { + configurable: true, + enumerable: false, + value (...args) { + const res = base.apply(this, args); + array._chartjs.listeners.forEach((object)=>{ + if (typeof object[method] === 'function') { + object[method](...args); + } + }); + return res; + } + }); + }); +} +function unlistenArrayEvents(array, listener) { + const stub = array._chartjs; + if (!stub) { + return; + } + const listeners = stub.listeners; + const index = listeners.indexOf(listener); + if (index !== -1) { + listeners.splice(index, 1); + } + if (listeners.length > 0) { + return; + } + arrayEvents.forEach((key)=>{ + delete array[key]; + }); + delete array._chartjs; +} +/** + * @param items + */ function _arrayUnique(items) { + const set = new Set(items); + if (set.size === items.length) { + return items; + } + return Array.from(set); +} + +function fontString(pixelSize, fontStyle, fontFamily) { + return fontStyle + ' ' + pixelSize + 'px ' + fontFamily; +} +/** +* Request animation polyfill +*/ const requestAnimFrame = function() { + if (typeof window === 'undefined') { + return function(callback) { + return callback(); + }; + } + return window.requestAnimationFrame; +}(); +/** + * Throttles calling `fn` once per animation frame + * Latest arguments are used on the actual call + */ function throttled(fn, thisArg) { + let argsToUse = []; + let ticking = false; + return function(...args) { + // Save the args for use later + argsToUse = args; + if (!ticking) { + ticking = true; + requestAnimFrame.call(window, ()=>{ + ticking = false; + fn.apply(thisArg, argsToUse); + }); + } + }; +} +/** + * Debounces calling `fn` for `delay` ms + */ function debounce(fn, delay) { + let timeout; + return function(...args) { + if (delay) { + clearTimeout(timeout); + timeout = setTimeout(fn, delay, args); + } else { + fn.apply(this, args); + } + return delay; + }; +} +/** + * Converts 'start' to 'left', 'end' to 'right' and others to 'center' + * @private + */ const _toLeftRightCenter = (align)=>align === 'start' ? 'left' : align === 'end' ? 'right' : 'center'; +/** + * Returns `start`, `end` or `(start + end) / 2` depending on `align`. Defaults to `center` + * @private + */ const _alignStartEnd = (align, start, end)=>align === 'start' ? start : align === 'end' ? end : (start + end) / 2; +/** + * Returns `left`, `right` or `(left + right) / 2` depending on `align`. Defaults to `left` + * @private + */ const _textX = (align, left, right, rtl)=>{ + const check = rtl ? 'left' : 'right'; + return align === check ? right : align === 'center' ? (left + right) / 2 : left; +}; +/** + * Return start and count of visible points. + * @private + */ function _getStartAndCountOfVisiblePoints(meta, points, animationsDisabled) { + const pointCount = points.length; + let start = 0; + let count = pointCount; + if (meta._sorted) { + const { iScale , _parsed } = meta; + const axis = iScale.axis; + const { min , max , minDefined , maxDefined } = iScale.getUserBounds(); + if (minDefined) { + start = _limitValue(Math.min(// @ts-expect-error Need to type _parsed + _lookupByKey(_parsed, axis, min).lo, // @ts-expect-error Need to fix types on _lookupByKey + animationsDisabled ? pointCount : _lookupByKey(points, axis, iScale.getPixelForValue(min)).lo), 0, pointCount - 1); + } + if (maxDefined) { + count = _limitValue(Math.max(// @ts-expect-error Need to type _parsed + _lookupByKey(_parsed, iScale.axis, max, true).hi + 1, // @ts-expect-error Need to fix types on _lookupByKey + animationsDisabled ? 0 : _lookupByKey(points, axis, iScale.getPixelForValue(max), true).hi + 1), start, pointCount) - start; + } else { + count = pointCount - start; + } + } + return { + start, + count + }; +} +/** + * Checks if the scale ranges have changed. + * @param {object} meta - dataset meta. + * @returns {boolean} + * @private + */ function _scaleRangesChanged(meta) { + const { xScale , yScale , _scaleRanges } = meta; + const newRanges = { + xmin: xScale.min, + xmax: xScale.max, + ymin: yScale.min, + ymax: yScale.max + }; + if (!_scaleRanges) { + meta._scaleRanges = newRanges; + return true; + } + const changed = _scaleRanges.xmin !== xScale.min || _scaleRanges.xmax !== xScale.max || _scaleRanges.ymin !== yScale.min || _scaleRanges.ymax !== yScale.max; + Object.assign(_scaleRanges, newRanges); + return changed; +} + +const atEdge = (t)=>t === 0 || t === 1; +const elasticIn = (t, s, p)=>-(Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * TAU / p)); +const elasticOut = (t, s, p)=>Math.pow(2, -10 * t) * Math.sin((t - s) * TAU / p) + 1; +/** + * Easing functions adapted from Robert Penner's easing equations. + * @namespace Chart.helpers.easing.effects + * @see http://www.robertpenner.com/easing/ + */ const effects = { + linear: (t)=>t, + easeInQuad: (t)=>t * t, + easeOutQuad: (t)=>-t * (t - 2), + easeInOutQuad: (t)=>(t /= 0.5) < 1 ? 0.5 * t * t : -0.5 * (--t * (t - 2) - 1), + easeInCubic: (t)=>t * t * t, + easeOutCubic: (t)=>(t -= 1) * t * t + 1, + easeInOutCubic: (t)=>(t /= 0.5) < 1 ? 0.5 * t * t * t : 0.5 * ((t -= 2) * t * t + 2), + easeInQuart: (t)=>t * t * t * t, + easeOutQuart: (t)=>-((t -= 1) * t * t * t - 1), + easeInOutQuart: (t)=>(t /= 0.5) < 1 ? 0.5 * t * t * t * t : -0.5 * ((t -= 2) * t * t * t - 2), + easeInQuint: (t)=>t * t * t * t * t, + easeOutQuint: (t)=>(t -= 1) * t * t * t * t + 1, + easeInOutQuint: (t)=>(t /= 0.5) < 1 ? 0.5 * t * t * t * t * t : 0.5 * ((t -= 2) * t * t * t * t + 2), + easeInSine: (t)=>-Math.cos(t * HALF_PI) + 1, + easeOutSine: (t)=>Math.sin(t * HALF_PI), + easeInOutSine: (t)=>-0.5 * (Math.cos(PI * t) - 1), + easeInExpo: (t)=>t === 0 ? 0 : Math.pow(2, 10 * (t - 1)), + easeOutExpo: (t)=>t === 1 ? 1 : -Math.pow(2, -10 * t) + 1, + easeInOutExpo: (t)=>atEdge(t) ? t : t < 0.5 ? 0.5 * Math.pow(2, 10 * (t * 2 - 1)) : 0.5 * (-Math.pow(2, -10 * (t * 2 - 1)) + 2), + easeInCirc: (t)=>t >= 1 ? t : -(Math.sqrt(1 - t * t) - 1), + easeOutCirc: (t)=>Math.sqrt(1 - (t -= 1) * t), + easeInOutCirc: (t)=>(t /= 0.5) < 1 ? -0.5 * (Math.sqrt(1 - t * t) - 1) : 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1), + easeInElastic: (t)=>atEdge(t) ? t : elasticIn(t, 0.075, 0.3), + easeOutElastic: (t)=>atEdge(t) ? t : elasticOut(t, 0.075, 0.3), + easeInOutElastic (t) { + const s = 0.1125; + const p = 0.45; + return atEdge(t) ? t : t < 0.5 ? 0.5 * elasticIn(t * 2, s, p) : 0.5 + 0.5 * elasticOut(t * 2 - 1, s, p); + }, + easeInBack (t) { + const s = 1.70158; + return t * t * ((s + 1) * t - s); + }, + easeOutBack (t) { + const s = 1.70158; + return (t -= 1) * t * ((s + 1) * t + s) + 1; + }, + easeInOutBack (t) { + let s = 1.70158; + if ((t /= 0.5) < 1) { + return 0.5 * (t * t * (((s *= 1.525) + 1) * t - s)); + } + return 0.5 * ((t -= 2) * t * (((s *= 1.525) + 1) * t + s) + 2); + }, + easeInBounce: (t)=>1 - effects.easeOutBounce(1 - t), + easeOutBounce (t) { + const m = 7.5625; + const d = 2.75; + if (t < 1 / d) { + return m * t * t; + } + if (t < 2 / d) { + return m * (t -= 1.5 / d) * t + 0.75; + } + if (t < 2.5 / d) { + return m * (t -= 2.25 / d) * t + 0.9375; + } + return m * (t -= 2.625 / d) * t + 0.984375; + }, + easeInOutBounce: (t)=>t < 0.5 ? effects.easeInBounce(t * 2) * 0.5 : effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5 +}; + +function isPatternOrGradient(value) { + if (value && typeof value === 'object') { + const type = value.toString(); + return type === '[object CanvasPattern]' || type === '[object CanvasGradient]'; + } + return false; +} +function color(value) { + return isPatternOrGradient(value) ? value : new color$1.Color(value); +} +function getHoverColor(value) { + return isPatternOrGradient(value) ? value : new color$1.Color(value).saturate(0.5).darken(0.1).hexString(); +} + +const numbers = [ + 'x', + 'y', + 'borderWidth', + 'radius', + 'tension' +]; +const colors = [ + 'color', + 'borderColor', + 'backgroundColor' +]; +function applyAnimationsDefaults(defaults) { + defaults.set('animation', { + delay: undefined, + duration: 1000, + easing: 'easeOutQuart', + fn: undefined, + from: undefined, + loop: undefined, + to: undefined, + type: undefined + }); + defaults.describe('animation', { + _fallback: false, + _indexable: false, + _scriptable: (name)=>name !== 'onProgress' && name !== 'onComplete' && name !== 'fn' + }); + defaults.set('animations', { + colors: { + type: 'color', + properties: colors + }, + numbers: { + type: 'number', + properties: numbers + } + }); + defaults.describe('animations', { + _fallback: 'animation' + }); + defaults.set('transitions', { + active: { + animation: { + duration: 400 + } + }, + resize: { + animation: { + duration: 0 + } + }, + show: { + animations: { + colors: { + from: 'transparent' + }, + visible: { + type: 'boolean', + duration: 0 + } + } + }, + hide: { + animations: { + colors: { + to: 'transparent' + }, + visible: { + type: 'boolean', + easing: 'linear', + fn: (v)=>v | 0 + } + } + } + }); +} + +function applyLayoutsDefaults(defaults) { + defaults.set('layout', { + autoPadding: true, + padding: { + top: 0, + right: 0, + bottom: 0, + left: 0 + } + }); +} + +const intlCache = new Map(); +function getNumberFormat(locale, options) { + options = options || {}; + const cacheKey = locale + JSON.stringify(options); + let formatter = intlCache.get(cacheKey); + if (!formatter) { + formatter = new Intl.NumberFormat(locale, options); + intlCache.set(cacheKey, formatter); + } + return formatter; +} +function formatNumber(num, locale, options) { + return getNumberFormat(locale, options).format(num); +} + +const formatters = { + values (value) { + return isArray(value) ? value : '' + value; + }, + numeric (tickValue, index, ticks) { + if (tickValue === 0) { + return '0'; + } + const locale = this.chart.options.locale; + let notation; + let delta = tickValue; + if (ticks.length > 1) { + const maxTick = Math.max(Math.abs(ticks[0].value), Math.abs(ticks[ticks.length - 1].value)); + if (maxTick < 1e-4 || maxTick > 1e+15) { + notation = 'scientific'; + } + delta = calculateDelta(tickValue, ticks); + } + const logDelta = log10(Math.abs(delta)); + const numDecimal = isNaN(logDelta) ? 1 : Math.max(Math.min(-1 * Math.floor(logDelta), 20), 0); + const options = { + notation, + minimumFractionDigits: numDecimal, + maximumFractionDigits: numDecimal + }; + Object.assign(options, this.options.ticks.format); + return formatNumber(tickValue, locale, options); + }, + logarithmic (tickValue, index, ticks) { + if (tickValue === 0) { + return '0'; + } + const remain = ticks[index].significand || tickValue / Math.pow(10, Math.floor(log10(tickValue))); + if ([ + 1, + 2, + 3, + 5, + 10, + 15 + ].includes(remain) || index > 0.8 * ticks.length) { + return formatters.numeric.call(this, tickValue, index, ticks); + } + return ''; + } +}; +function calculateDelta(tickValue, ticks) { + let delta = ticks.length > 3 ? ticks[2].value - ticks[1].value : ticks[1].value - ticks[0].value; + if (Math.abs(delta) >= 1 && tickValue !== Math.floor(tickValue)) { + delta = tickValue - Math.floor(tickValue); + } + return delta; +} + var Ticks = { + formatters +}; + +function applyScaleDefaults(defaults) { + defaults.set('scale', { + display: true, + offset: false, + reverse: false, + beginAtZero: false, + bounds: 'ticks', + clip: true, + grace: 0, + grid: { + display: true, + lineWidth: 1, + drawOnChartArea: true, + drawTicks: true, + tickLength: 8, + tickWidth: (_ctx, options)=>options.lineWidth, + tickColor: (_ctx, options)=>options.color, + offset: false + }, + border: { + display: true, + dash: [], + dashOffset: 0.0, + width: 1 + }, + title: { + display: false, + text: '', + padding: { + top: 4, + bottom: 4 + } + }, + ticks: { + minRotation: 0, + maxRotation: 50, + mirror: false, + textStrokeWidth: 0, + textStrokeColor: '', + padding: 3, + display: true, + autoSkip: true, + autoSkipPadding: 3, + labelOffset: 0, + callback: Ticks.formatters.values, + minor: {}, + major: {}, + align: 'center', + crossAlign: 'near', + showLabelBackdrop: false, + backdropColor: 'rgba(255, 255, 255, 0.75)', + backdropPadding: 2 + } + }); + defaults.route('scale.ticks', 'color', '', 'color'); + defaults.route('scale.grid', 'color', '', 'borderColor'); + defaults.route('scale.border', 'color', '', 'borderColor'); + defaults.route('scale.title', 'color', '', 'color'); + defaults.describe('scale', { + _fallback: false, + _scriptable: (name)=>!name.startsWith('before') && !name.startsWith('after') && name !== 'callback' && name !== 'parser', + _indexable: (name)=>name !== 'borderDash' && name !== 'tickBorderDash' && name !== 'dash' + }); + defaults.describe('scales', { + _fallback: 'scale' + }); + defaults.describe('scale.ticks', { + _scriptable: (name)=>name !== 'backdropPadding' && name !== 'callback', + _indexable: (name)=>name !== 'backdropPadding' + }); +} + +const overrides = Object.create(null); +const descriptors = Object.create(null); + function getScope$1(node, key) { + if (!key) { + return node; + } + const keys = key.split('.'); + for(let i = 0, n = keys.length; i < n; ++i){ + const k = keys[i]; + node = node[k] || (node[k] = Object.create(null)); + } + return node; +} +function set(root, scope, values) { + if (typeof scope === 'string') { + return merge(getScope$1(root, scope), values); + } + return merge(getScope$1(root, ''), scope); +} + class Defaults { + constructor(_descriptors, _appliers){ + this.animation = undefined; + this.backgroundColor = 'rgba(0,0,0,0.1)'; + this.borderColor = 'rgba(0,0,0,0.1)'; + this.color = '#666'; + this.datasets = {}; + this.devicePixelRatio = (context)=>context.chart.platform.getDevicePixelRatio(); + this.elements = {}; + this.events = [ + 'mousemove', + 'mouseout', + 'click', + 'touchstart', + 'touchmove' + ]; + this.font = { + family: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", + size: 12, + style: 'normal', + lineHeight: 1.2, + weight: null + }; + this.hover = {}; + this.hoverBackgroundColor = (ctx, options)=>getHoverColor(options.backgroundColor); + this.hoverBorderColor = (ctx, options)=>getHoverColor(options.borderColor); + this.hoverColor = (ctx, options)=>getHoverColor(options.color); + this.indexAxis = 'x'; + this.interaction = { + mode: 'nearest', + intersect: true, + includeInvisible: false + }; + this.maintainAspectRatio = true; + this.onHover = null; + this.onClick = null; + this.parsing = true; + this.plugins = {}; + this.responsive = true; + this.scale = undefined; + this.scales = {}; + this.showLine = true; + this.drawActiveElementsOnTop = true; + this.describe(_descriptors); + this.apply(_appliers); + } + set(scope, values) { + return set(this, scope, values); + } + get(scope) { + return getScope$1(this, scope); + } + describe(scope, values) { + return set(descriptors, scope, values); + } + override(scope, values) { + return set(overrides, scope, values); + } + route(scope, name, targetScope, targetName) { + const scopeObject = getScope$1(this, scope); + const targetScopeObject = getScope$1(this, targetScope); + const privateName = '_' + name; + Object.defineProperties(scopeObject, { + [privateName]: { + value: scopeObject[name], + writable: true + }, + [name]: { + enumerable: true, + get () { + const local = this[privateName]; + const target = targetScopeObject[targetName]; + if (isObject(local)) { + return Object.assign({}, target, local); + } + return valueOrDefault(local, target); + }, + set (value) { + this[privateName] = value; + } + } + }); + } + apply(appliers) { + appliers.forEach((apply)=>apply(this)); + } +} +var defaults = /* #__PURE__ */ new Defaults({ + _scriptable: (name)=>!name.startsWith('on'), + _indexable: (name)=>name !== 'events', + hover: { + _fallback: 'interaction' + }, + interaction: { + _scriptable: false, + _indexable: false + } +}, [ + applyAnimationsDefaults, + applyLayoutsDefaults, + applyScaleDefaults +]); + +/** + * Converts the given font object into a CSS font string. + * @param font - A font object. + * @return The CSS font string. See https://developer.mozilla.org/en-US/docs/Web/CSS/font + * @private + */ function toFontString(font) { + if (!font || isNullOrUndef(font.size) || isNullOrUndef(font.family)) { + return null; + } + return (font.style ? font.style + ' ' : '') + (font.weight ? font.weight + ' ' : '') + font.size + 'px ' + font.family; +} +/** + * @private + */ function _measureText(ctx, data, gc, longest, string) { + let textWidth = data[string]; + if (!textWidth) { + textWidth = data[string] = ctx.measureText(string).width; + gc.push(string); + } + if (textWidth > longest) { + longest = textWidth; + } + return longest; +} +/** + * @private + */ // eslint-disable-next-line complexity +function _longestText(ctx, font, arrayOfThings, cache) { + cache = cache || {}; + let data = cache.data = cache.data || {}; + let gc = cache.garbageCollect = cache.garbageCollect || []; + if (cache.font !== font) { + data = cache.data = {}; + gc = cache.garbageCollect = []; + cache.font = font; + } + ctx.save(); + ctx.font = font; + let longest = 0; + const ilen = arrayOfThings.length; + let i, j, jlen, thing, nestedThing; + for(i = 0; i < ilen; i++){ + thing = arrayOfThings[i]; + // Undefined strings and arrays should not be measured + if (thing !== undefined && thing !== null && !isArray(thing)) { + longest = _measureText(ctx, data, gc, longest, thing); + } else if (isArray(thing)) { + // if it is an array lets measure each element + // to do maybe simplify this function a bit so we can do this more recursively? + for(j = 0, jlen = thing.length; j < jlen; j++){ + nestedThing = thing[j]; + // Undefined strings and arrays should not be measured + if (nestedThing !== undefined && nestedThing !== null && !isArray(nestedThing)) { + longest = _measureText(ctx, data, gc, longest, nestedThing); + } + } + } + } + ctx.restore(); + const gcLen = gc.length / 2; + if (gcLen > arrayOfThings.length) { + for(i = 0; i < gcLen; i++){ + delete data[gc[i]]; + } + gc.splice(0, gcLen); + } + return longest; +} +/** + * Returns the aligned pixel value to avoid anti-aliasing blur + * @param chart - The chart instance. + * @param pixel - A pixel value. + * @param width - The width of the element. + * @returns The aligned pixel value. + * @private + */ function _alignPixel(chart, pixel, width) { + const devicePixelRatio = chart.currentDevicePixelRatio; + const halfWidth = width !== 0 ? Math.max(width / 2, 0.5) : 0; + return Math.round((pixel - halfWidth) * devicePixelRatio) / devicePixelRatio + halfWidth; +} +/** + * Clears the entire canvas. + */ function clearCanvas(canvas, ctx) { + ctx = ctx || canvas.getContext('2d'); + ctx.save(); + // canvas.width and canvas.height do not consider the canvas transform, + // while clearRect does + ctx.resetTransform(); + ctx.clearRect(0, 0, canvas.width, canvas.height); + ctx.restore(); +} +function drawPoint(ctx, options, x, y) { + // eslint-disable-next-line @typescript-eslint/no-use-before-define + drawPointLegend(ctx, options, x, y, null); +} +// eslint-disable-next-line complexity +function drawPointLegend(ctx, options, x, y, w) { + let type, xOffset, yOffset, size, cornerRadius, width, xOffsetW, yOffsetW; + const style = options.pointStyle; + const rotation = options.rotation; + const radius = options.radius; + let rad = (rotation || 0) * RAD_PER_DEG; + if (style && typeof style === 'object') { + type = style.toString(); + if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') { + ctx.save(); + ctx.translate(x, y); + ctx.rotate(rad); + ctx.drawImage(style, -style.width / 2, -style.height / 2, style.width, style.height); + ctx.restore(); + return; + } + } + if (isNaN(radius) || radius <= 0) { + return; + } + ctx.beginPath(); + switch(style){ + // Default includes circle + default: + if (w) { + ctx.ellipse(x, y, w / 2, radius, 0, 0, TAU); + } else { + ctx.arc(x, y, radius, 0, TAU); + } + ctx.closePath(); + break; + case 'triangle': + width = w ? w / 2 : radius; + ctx.moveTo(x + Math.sin(rad) * width, y - Math.cos(rad) * radius); + rad += TWO_THIRDS_PI; + ctx.lineTo(x + Math.sin(rad) * width, y - Math.cos(rad) * radius); + rad += TWO_THIRDS_PI; + ctx.lineTo(x + Math.sin(rad) * width, y - Math.cos(rad) * radius); + ctx.closePath(); + break; + case 'rectRounded': + // NOTE: the rounded rect implementation changed to use `arc` instead of + // `quadraticCurveTo` since it generates better results when rect is + // almost a circle. 0.516 (instead of 0.5) produces results with visually + // closer proportion to the previous impl and it is inscribed in the + // circle with `radius`. For more details, see the following PRs: + // https://github.com/chartjs/Chart.js/issues/5597 + // https://github.com/chartjs/Chart.js/issues/5858 + cornerRadius = radius * 0.516; + size = radius - cornerRadius; + xOffset = Math.cos(rad + QUARTER_PI) * size; + xOffsetW = Math.cos(rad + QUARTER_PI) * (w ? w / 2 - cornerRadius : size); + yOffset = Math.sin(rad + QUARTER_PI) * size; + yOffsetW = Math.sin(rad + QUARTER_PI) * (w ? w / 2 - cornerRadius : size); + ctx.arc(x - xOffsetW, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI); + ctx.arc(x + yOffsetW, y - xOffset, cornerRadius, rad - HALF_PI, rad); + ctx.arc(x + xOffsetW, y + yOffset, cornerRadius, rad, rad + HALF_PI); + ctx.arc(x - yOffsetW, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI); + ctx.closePath(); + break; + case 'rect': + if (!rotation) { + size = Math.SQRT1_2 * radius; + width = w ? w / 2 : size; + ctx.rect(x - width, y - size, 2 * width, 2 * size); + break; + } + rad += QUARTER_PI; + /* falls through */ case 'rectRot': + xOffsetW = Math.cos(rad) * (w ? w / 2 : radius); + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + yOffsetW = Math.sin(rad) * (w ? w / 2 : radius); + ctx.moveTo(x - xOffsetW, y - yOffset); + ctx.lineTo(x + yOffsetW, y - xOffset); + ctx.lineTo(x + xOffsetW, y + yOffset); + ctx.lineTo(x - yOffsetW, y + xOffset); + ctx.closePath(); + break; + case 'crossRot': + rad += QUARTER_PI; + /* falls through */ case 'cross': + xOffsetW = Math.cos(rad) * (w ? w / 2 : radius); + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + yOffsetW = Math.sin(rad) * (w ? w / 2 : radius); + ctx.moveTo(x - xOffsetW, y - yOffset); + ctx.lineTo(x + xOffsetW, y + yOffset); + ctx.moveTo(x + yOffsetW, y - xOffset); + ctx.lineTo(x - yOffsetW, y + xOffset); + break; + case 'star': + xOffsetW = Math.cos(rad) * (w ? w / 2 : radius); + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + yOffsetW = Math.sin(rad) * (w ? w / 2 : radius); + ctx.moveTo(x - xOffsetW, y - yOffset); + ctx.lineTo(x + xOffsetW, y + yOffset); + ctx.moveTo(x + yOffsetW, y - xOffset); + ctx.lineTo(x - yOffsetW, y + xOffset); + rad += QUARTER_PI; + xOffsetW = Math.cos(rad) * (w ? w / 2 : radius); + xOffset = Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + yOffsetW = Math.sin(rad) * (w ? w / 2 : radius); + ctx.moveTo(x - xOffsetW, y - yOffset); + ctx.lineTo(x + xOffsetW, y + yOffset); + ctx.moveTo(x + yOffsetW, y - xOffset); + ctx.lineTo(x - yOffsetW, y + xOffset); + break; + case 'line': + xOffset = w ? w / 2 : Math.cos(rad) * radius; + yOffset = Math.sin(rad) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + xOffset, y + yOffset); + break; + case 'dash': + ctx.moveTo(x, y); + ctx.lineTo(x + Math.cos(rad) * (w ? w / 2 : radius), y + Math.sin(rad) * radius); + break; + case false: + ctx.closePath(); + break; + } + ctx.fill(); + if (options.borderWidth > 0) { + ctx.stroke(); + } +} +/** + * Returns true if the point is inside the rectangle + * @param point - The point to test + * @param area - The rectangle + * @param margin - allowed margin + * @private + */ function _isPointInArea(point, area, margin) { + margin = margin || 0.5; // margin - default is to match rounded decimals + return !area || point && point.x > area.left - margin && point.x < area.right + margin && point.y > area.top - margin && point.y < area.bottom + margin; +} +function clipArea(ctx, area) { + ctx.save(); + ctx.beginPath(); + ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top); + ctx.clip(); +} +function unclipArea(ctx) { + ctx.restore(); +} +/** + * @private + */ function _steppedLineTo(ctx, previous, target, flip, mode) { + if (!previous) { + return ctx.lineTo(target.x, target.y); + } + if (mode === 'middle') { + const midpoint = (previous.x + target.x) / 2.0; + ctx.lineTo(midpoint, previous.y); + ctx.lineTo(midpoint, target.y); + } else if (mode === 'after' !== !!flip) { + ctx.lineTo(previous.x, target.y); + } else { + ctx.lineTo(target.x, previous.y); + } + ctx.lineTo(target.x, target.y); +} +/** + * @private + */ function _bezierCurveTo(ctx, previous, target, flip) { + if (!previous) { + return ctx.lineTo(target.x, target.y); + } + ctx.bezierCurveTo(flip ? previous.cp1x : previous.cp2x, flip ? previous.cp1y : previous.cp2y, flip ? target.cp2x : target.cp1x, flip ? target.cp2y : target.cp1y, target.x, target.y); +} +function setRenderOpts(ctx, opts) { + if (opts.translation) { + ctx.translate(opts.translation[0], opts.translation[1]); + } + if (!isNullOrUndef(opts.rotation)) { + ctx.rotate(opts.rotation); + } + if (opts.color) { + ctx.fillStyle = opts.color; + } + if (opts.textAlign) { + ctx.textAlign = opts.textAlign; + } + if (opts.textBaseline) { + ctx.textBaseline = opts.textBaseline; + } +} +function decorateText(ctx, x, y, line, opts) { + if (opts.strikethrough || opts.underline) { + /** + * Now that IE11 support has been dropped, we can use more + * of the TextMetrics object. The actual bounding boxes + * are unflagged in Chrome, Firefox, Edge, and Safari so they + * can be safely used. + * See https://developer.mozilla.org/en-US/docs/Web/API/TextMetrics#Browser_compatibility + */ const metrics = ctx.measureText(line); + const left = x - metrics.actualBoundingBoxLeft; + const right = x + metrics.actualBoundingBoxRight; + const top = y - metrics.actualBoundingBoxAscent; + const bottom = y + metrics.actualBoundingBoxDescent; + const yDecoration = opts.strikethrough ? (top + bottom) / 2 : bottom; + ctx.strokeStyle = ctx.fillStyle; + ctx.beginPath(); + ctx.lineWidth = opts.decorationWidth || 2; + ctx.moveTo(left, yDecoration); + ctx.lineTo(right, yDecoration); + ctx.stroke(); + } +} +function drawBackdrop(ctx, opts) { + const oldColor = ctx.fillStyle; + ctx.fillStyle = opts.color; + ctx.fillRect(opts.left, opts.top, opts.width, opts.height); + ctx.fillStyle = oldColor; +} +/** + * Render text onto the canvas + */ function renderText(ctx, text, x, y, font, opts = {}) { + const lines = isArray(text) ? text : [ + text + ]; + const stroke = opts.strokeWidth > 0 && opts.strokeColor !== ''; + let i, line; + ctx.save(); + ctx.font = font.string; + setRenderOpts(ctx, opts); + for(i = 0; i < lines.length; ++i){ + line = lines[i]; + if (opts.backdrop) { + drawBackdrop(ctx, opts.backdrop); + } + if (stroke) { + if (opts.strokeColor) { + ctx.strokeStyle = opts.strokeColor; + } + if (!isNullOrUndef(opts.strokeWidth)) { + ctx.lineWidth = opts.strokeWidth; + } + ctx.strokeText(line, x, y, opts.maxWidth); + } + ctx.fillText(line, x, y, opts.maxWidth); + decorateText(ctx, x, y, line, opts); + y += Number(font.lineHeight); + } + ctx.restore(); +} +/** + * Add a path of a rectangle with rounded corners to the current sub-path + * @param ctx - Context + * @param rect - Bounding rect + */ function addRoundedRectPath(ctx, rect) { + const { x , y , w , h , radius } = rect; + // top left arc + ctx.arc(x + radius.topLeft, y + radius.topLeft, radius.topLeft, 1.5 * PI, PI, true); + // line from top left to bottom left + ctx.lineTo(x, y + h - radius.bottomLeft); + // bottom left arc + ctx.arc(x + radius.bottomLeft, y + h - radius.bottomLeft, radius.bottomLeft, PI, HALF_PI, true); + // line from bottom left to bottom right + ctx.lineTo(x + w - radius.bottomRight, y + h); + // bottom right arc + ctx.arc(x + w - radius.bottomRight, y + h - radius.bottomRight, radius.bottomRight, HALF_PI, 0, true); + // line from bottom right to top right + ctx.lineTo(x + w, y + radius.topRight); + // top right arc + ctx.arc(x + w - radius.topRight, y + radius.topRight, radius.topRight, 0, -HALF_PI, true); + // line from top right to top left + ctx.lineTo(x + radius.topLeft, y); +} + +const LINE_HEIGHT = /^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/; +const FONT_STYLE = /^(normal|italic|initial|inherit|unset|(oblique( -?[0-9]?[0-9]deg)?))$/; +/** + * @alias Chart.helpers.options + * @namespace + */ /** + * Converts the given line height `value` in pixels for a specific font `size`. + * @param value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em'). + * @param size - The font size (in pixels) used to resolve relative `value`. + * @returns The effective line height in pixels (size * 1.2 if value is invalid). + * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height + * @since 2.7.0 + */ function toLineHeight(value, size) { + const matches = ('' + value).match(LINE_HEIGHT); + if (!matches || matches[1] === 'normal') { + return size * 1.2; + } + value = +matches[2]; + switch(matches[3]){ + case 'px': + return value; + case '%': + value /= 100; + break; + } + return size * value; +} +const numberOrZero = (v)=>+v || 0; +function _readValueToProps(value, props) { + const ret = {}; + const objProps = isObject(props); + const keys = objProps ? Object.keys(props) : props; + const read = isObject(value) ? objProps ? (prop)=>valueOrDefault(value[prop], value[props[prop]]) : (prop)=>value[prop] : ()=>value; + for (const prop of keys){ + ret[prop] = numberOrZero(read(prop)); + } + return ret; +} +/** + * Converts the given value into a TRBL object. + * @param value - If a number, set the value to all TRBL component, + * else, if an object, use defined properties and sets undefined ones to 0. + * x / y are shorthands for same value for left/right and top/bottom. + * @returns The padding values (top, right, bottom, left) + * @since 3.0.0 + */ function toTRBL(value) { + return _readValueToProps(value, { + top: 'y', + right: 'x', + bottom: 'y', + left: 'x' + }); +} +/** + * Converts the given value into a TRBL corners object (similar with css border-radius). + * @param value - If a number, set the value to all TRBL corner components, + * else, if an object, use defined properties and sets undefined ones to 0. + * @returns The TRBL corner values (topLeft, topRight, bottomLeft, bottomRight) + * @since 3.0.0 + */ function toTRBLCorners(value) { + return _readValueToProps(value, [ + 'topLeft', + 'topRight', + 'bottomLeft', + 'bottomRight' + ]); +} +/** + * Converts the given value into a padding object with pre-computed width/height. + * @param value - If a number, set the value to all TRBL component, + * else, if an object, use defined properties and sets undefined ones to 0. + * x / y are shorthands for same value for left/right and top/bottom. + * @returns The padding values (top, right, bottom, left, width, height) + * @since 2.7.0 + */ function toPadding(value) { + const obj = toTRBL(value); + obj.width = obj.left + obj.right; + obj.height = obj.top + obj.bottom; + return obj; +} +/** + * Parses font options and returns the font object. + * @param options - A object that contains font options to be parsed. + * @param fallback - A object that contains fallback font options. + * @return The font object. + * @private + */ function toFont(options, fallback) { + options = options || {}; + fallback = fallback || defaults.font; + let size = valueOrDefault(options.size, fallback.size); + if (typeof size === 'string') { + size = parseInt(size, 10); + } + let style = valueOrDefault(options.style, fallback.style); + if (style && !('' + style).match(FONT_STYLE)) { + console.warn('Invalid font style specified: "' + style + '"'); + style = undefined; + } + const font = { + family: valueOrDefault(options.family, fallback.family), + lineHeight: toLineHeight(valueOrDefault(options.lineHeight, fallback.lineHeight), size), + size, + style, + weight: valueOrDefault(options.weight, fallback.weight), + string: '' + }; + font.string = toFontString(font); + return font; +} +/** + * Evaluates the given `inputs` sequentially and returns the first defined value. + * @param inputs - An array of values, falling back to the last value. + * @param context - If defined and the current value is a function, the value + * is called with `context` as first argument and the result becomes the new input. + * @param index - If defined and the current value is an array, the value + * at `index` become the new input. + * @param info - object to return information about resolution in + * @param info.cacheable - Will be set to `false` if option is not cacheable. + * @since 2.7.0 + */ function resolve(inputs, context, index, info) { + let cacheable = true; + let i, ilen, value; + for(i = 0, ilen = inputs.length; i < ilen; ++i){ + value = inputs[i]; + if (value === undefined) { + continue; + } + if (context !== undefined && typeof value === 'function') { + value = value(context); + cacheable = false; + } + if (index !== undefined && isArray(value)) { + value = value[index % value.length]; + cacheable = false; + } + if (value !== undefined) { + if (info && !cacheable) { + info.cacheable = false; + } + return value; + } + } +} +/** + * @param minmax + * @param grace + * @param beginAtZero + * @private + */ function _addGrace(minmax, grace, beginAtZero) { + const { min , max } = minmax; + const change = toDimension(grace, (max - min) / 2); + const keepZero = (value, add)=>beginAtZero && value === 0 ? 0 : value + add; + return { + min: keepZero(min, -Math.abs(change)), + max: keepZero(max, change) + }; +} +function createContext(parentContext, context) { + return Object.assign(Object.create(parentContext), context); +} + +/** + * Creates a Proxy for resolving raw values for options. + * @param scopes - The option scopes to look for values, in resolution order + * @param prefixes - The prefixes for values, in resolution order. + * @param rootScopes - The root option scopes + * @param fallback - Parent scopes fallback + * @param getTarget - callback for getting the target for changed values + * @returns Proxy + * @private + */ function _createResolver(scopes, prefixes = [ + '' +], rootScopes, fallback, getTarget = ()=>scopes[0]) { + const finalRootScopes = rootScopes || scopes; + if (typeof fallback === 'undefined') { + fallback = _resolve('_fallback', scopes); + } + const cache = { + [Symbol.toStringTag]: 'Object', + _cacheable: true, + _scopes: scopes, + _rootScopes: finalRootScopes, + _fallback: fallback, + _getTarget: getTarget, + override: (scope)=>_createResolver([ + scope, + ...scopes + ], prefixes, finalRootScopes, fallback) + }; + return new Proxy(cache, { + /** + * A trap for the delete operator. + */ deleteProperty (target, prop) { + delete target[prop]; // remove from cache + delete target._keys; // remove cached keys + delete scopes[0][prop]; // remove from top level scope + return true; + }, + /** + * A trap for getting property values. + */ get (target, prop) { + return _cached(target, prop, ()=>_resolveWithPrefixes(prop, prefixes, scopes, target)); + }, + /** + * A trap for Object.getOwnPropertyDescriptor. + * Also used by Object.hasOwnProperty. + */ getOwnPropertyDescriptor (target, prop) { + return Reflect.getOwnPropertyDescriptor(target._scopes[0], prop); + }, + /** + * A trap for Object.getPrototypeOf. + */ getPrototypeOf () { + return Reflect.getPrototypeOf(scopes[0]); + }, + /** + * A trap for the in operator. + */ has (target, prop) { + return getKeysFromAllScopes(target).includes(prop); + }, + /** + * A trap for Object.getOwnPropertyNames and Object.getOwnPropertySymbols. + */ ownKeys (target) { + return getKeysFromAllScopes(target); + }, + /** + * A trap for setting property values. + */ set (target, prop, value) { + const storage = target._storage || (target._storage = getTarget()); + target[prop] = storage[prop] = value; // set to top level scope + cache + delete target._keys; // remove cached keys + return true; + } + }); +} +/** + * Returns an Proxy for resolving option values with context. + * @param proxy - The Proxy returned by `_createResolver` + * @param context - Context object for scriptable/indexable options + * @param subProxy - The proxy provided for scriptable options + * @param descriptorDefaults - Defaults for descriptors + * @private + */ function _attachContext(proxy, context, subProxy, descriptorDefaults) { + const cache = { + _cacheable: false, + _proxy: proxy, + _context: context, + _subProxy: subProxy, + _stack: new Set(), + _descriptors: _descriptors(proxy, descriptorDefaults), + setContext: (ctx)=>_attachContext(proxy, ctx, subProxy, descriptorDefaults), + override: (scope)=>_attachContext(proxy.override(scope), context, subProxy, descriptorDefaults) + }; + return new Proxy(cache, { + /** + * A trap for the delete operator. + */ deleteProperty (target, prop) { + delete target[prop]; // remove from cache + delete proxy[prop]; // remove from proxy + return true; + }, + /** + * A trap for getting property values. + */ get (target, prop, receiver) { + return _cached(target, prop, ()=>_resolveWithContext(target, prop, receiver)); + }, + /** + * A trap for Object.getOwnPropertyDescriptor. + * Also used by Object.hasOwnProperty. + */ getOwnPropertyDescriptor (target, prop) { + return target._descriptors.allKeys ? Reflect.has(proxy, prop) ? { + enumerable: true, + configurable: true + } : undefined : Reflect.getOwnPropertyDescriptor(proxy, prop); + }, + /** + * A trap for Object.getPrototypeOf. + */ getPrototypeOf () { + return Reflect.getPrototypeOf(proxy); + }, + /** + * A trap for the in operator. + */ has (target, prop) { + return Reflect.has(proxy, prop); + }, + /** + * A trap for Object.getOwnPropertyNames and Object.getOwnPropertySymbols. + */ ownKeys () { + return Reflect.ownKeys(proxy); + }, + /** + * A trap for setting property values. + */ set (target, prop, value) { + proxy[prop] = value; // set to proxy + delete target[prop]; // remove from cache + return true; + } + }); +} +/** + * @private + */ function _descriptors(proxy, defaults = { + scriptable: true, + indexable: true +}) { + const { _scriptable =defaults.scriptable , _indexable =defaults.indexable , _allKeys =defaults.allKeys } = proxy; + return { + allKeys: _allKeys, + scriptable: _scriptable, + indexable: _indexable, + isScriptable: isFunction(_scriptable) ? _scriptable : ()=>_scriptable, + isIndexable: isFunction(_indexable) ? _indexable : ()=>_indexable + }; +} +const readKey = (prefix, name)=>prefix ? prefix + _capitalize(name) : name; +const needsSubResolver = (prop, value)=>isObject(value) && prop !== 'adapters' && (Object.getPrototypeOf(value) === null || value.constructor === Object); +function _cached(target, prop, resolve) { + if (Object.prototype.hasOwnProperty.call(target, prop)) { + return target[prop]; + } + const value = resolve(); + // cache the resolved value + target[prop] = value; + return value; +} +function _resolveWithContext(target, prop, receiver) { + const { _proxy , _context , _subProxy , _descriptors: descriptors } = target; + let value = _proxy[prop]; // resolve from proxy + // resolve with context + if (isFunction(value) && descriptors.isScriptable(prop)) { + value = _resolveScriptable(prop, value, target, receiver); + } + if (isArray(value) && value.length) { + value = _resolveArray(prop, value, target, descriptors.isIndexable); + } + if (needsSubResolver(prop, value)) { + // if the resolved value is an object, create a sub resolver for it + value = _attachContext(value, _context, _subProxy && _subProxy[prop], descriptors); + } + return value; +} +function _resolveScriptable(prop, getValue, target, receiver) { + const { _proxy , _context , _subProxy , _stack } = target; + if (_stack.has(prop)) { + throw new Error('Recursion detected: ' + Array.from(_stack).join('->') + '->' + prop); + } + _stack.add(prop); + let value = getValue(_context, _subProxy || receiver); + _stack.delete(prop); + if (needsSubResolver(prop, value)) { + // When scriptable option returns an object, create a resolver on that. + value = createSubResolver(_proxy._scopes, _proxy, prop, value); + } + return value; +} +function _resolveArray(prop, value, target, isIndexable) { + const { _proxy , _context , _subProxy , _descriptors: descriptors } = target; + if (typeof _context.index !== 'undefined' && isIndexable(prop)) { + return value[_context.index % value.length]; + } else if (isObject(value[0])) { + // Array of objects, return array or resolvers + const arr = value; + const scopes = _proxy._scopes.filter((s)=>s !== arr); + value = []; + for (const item of arr){ + const resolver = createSubResolver(scopes, _proxy, prop, item); + value.push(_attachContext(resolver, _context, _subProxy && _subProxy[prop], descriptors)); + } + } + return value; +} +function resolveFallback(fallback, prop, value) { + return isFunction(fallback) ? fallback(prop, value) : fallback; +} +const getScope = (key, parent)=>key === true ? parent : typeof key === 'string' ? resolveObjectKey(parent, key) : undefined; +function addScopes(set, parentScopes, key, parentFallback, value) { + for (const parent of parentScopes){ + const scope = getScope(key, parent); + if (scope) { + set.add(scope); + const fallback = resolveFallback(scope._fallback, key, value); + if (typeof fallback !== 'undefined' && fallback !== key && fallback !== parentFallback) { + // When we reach the descriptor that defines a new _fallback, return that. + // The fallback will resume to that new scope. + return fallback; + } + } else if (scope === false && typeof parentFallback !== 'undefined' && key !== parentFallback) { + // Fallback to `false` results to `false`, when falling back to different key. + // For example `interaction` from `hover` or `plugins.tooltip` and `animation` from `animations` + return null; + } + } + return false; +} +function createSubResolver(parentScopes, resolver, prop, value) { + const rootScopes = resolver._rootScopes; + const fallback = resolveFallback(resolver._fallback, prop, value); + const allScopes = [ + ...parentScopes, + ...rootScopes + ]; + const set = new Set(); + set.add(value); + let key = addScopesFromKey(set, allScopes, prop, fallback || prop, value); + if (key === null) { + return false; + } + if (typeof fallback !== 'undefined' && fallback !== prop) { + key = addScopesFromKey(set, allScopes, fallback, key, value); + if (key === null) { + return false; + } + } + return _createResolver(Array.from(set), [ + '' + ], rootScopes, fallback, ()=>subGetTarget(resolver, prop, value)); +} +function addScopesFromKey(set, allScopes, key, fallback, item) { + while(key){ + key = addScopes(set, allScopes, key, fallback, item); + } + return key; +} +function subGetTarget(resolver, prop, value) { + const parent = resolver._getTarget(); + if (!(prop in parent)) { + parent[prop] = {}; + } + const target = parent[prop]; + if (isArray(target) && isObject(value)) { + // For array of objects, the object is used to store updated values + return value; + } + return target || {}; +} +function _resolveWithPrefixes(prop, prefixes, scopes, proxy) { + let value; + for (const prefix of prefixes){ + value = _resolve(readKey(prefix, prop), scopes); + if (typeof value !== 'undefined') { + return needsSubResolver(prop, value) ? createSubResolver(scopes, proxy, prop, value) : value; + } + } +} +function _resolve(key, scopes) { + for (const scope of scopes){ + if (!scope) { + continue; + } + const value = scope[key]; + if (typeof value !== 'undefined') { + return value; + } + } +} +function getKeysFromAllScopes(target) { + let keys = target._keys; + if (!keys) { + keys = target._keys = resolveKeysFromAllScopes(target._scopes); + } + return keys; +} +function resolveKeysFromAllScopes(scopes) { + const set = new Set(); + for (const scope of scopes){ + for (const key of Object.keys(scope).filter((k)=>!k.startsWith('_'))){ + set.add(key); + } + } + return Array.from(set); +} +function _parseObjectDataRadialScale(meta, data, start, count) { + const { iScale } = meta; + const { key ='r' } = this._parsing; + const parsed = new Array(count); + let i, ilen, index, item; + for(i = 0, ilen = count; i < ilen; ++i){ + index = i + start; + item = data[index]; + parsed[i] = { + r: iScale.parse(resolveObjectKey(item, key), index) + }; + } + return parsed; +} + +const EPSILON = Number.EPSILON || 1e-14; +const getPoint = (points, i)=>i < points.length && !points[i].skip && points[i]; +const getValueAxis = (indexAxis)=>indexAxis === 'x' ? 'y' : 'x'; +function splineCurve(firstPoint, middlePoint, afterPoint, t) { + // Props to Rob Spencer at scaled innovation for his post on splining between points + // http://scaledinnovation.com/analytics/splines/aboutSplines.html + // This function must also respect "skipped" points + const previous = firstPoint.skip ? middlePoint : firstPoint; + const current = middlePoint; + const next = afterPoint.skip ? middlePoint : afterPoint; + const d01 = distanceBetweenPoints(current, previous); + const d12 = distanceBetweenPoints(next, current); + let s01 = d01 / (d01 + d12); + let s12 = d12 / (d01 + d12); + // If all points are the same, s01 & s02 will be inf + s01 = isNaN(s01) ? 0 : s01; + s12 = isNaN(s12) ? 0 : s12; + const fa = t * s01; // scaling factor for triangle Ta + const fb = t * s12; + return { + previous: { + x: current.x - fa * (next.x - previous.x), + y: current.y - fa * (next.y - previous.y) + }, + next: { + x: current.x + fb * (next.x - previous.x), + y: current.y + fb * (next.y - previous.y) + } + }; +} +/** + * Adjust tangents to ensure monotonic properties + */ function monotoneAdjust(points, deltaK, mK) { + const pointsLen = points.length; + let alphaK, betaK, tauK, squaredMagnitude, pointCurrent; + let pointAfter = getPoint(points, 0); + for(let i = 0; i < pointsLen - 1; ++i){ + pointCurrent = pointAfter; + pointAfter = getPoint(points, i + 1); + if (!pointCurrent || !pointAfter) { + continue; + } + if (almostEquals(deltaK[i], 0, EPSILON)) { + mK[i] = mK[i + 1] = 0; + continue; + } + alphaK = mK[i] / deltaK[i]; + betaK = mK[i + 1] / deltaK[i]; + squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); + if (squaredMagnitude <= 9) { + continue; + } + tauK = 3 / Math.sqrt(squaredMagnitude); + mK[i] = alphaK * tauK * deltaK[i]; + mK[i + 1] = betaK * tauK * deltaK[i]; + } +} +function monotoneCompute(points, mK, indexAxis = 'x') { + const valueAxis = getValueAxis(indexAxis); + const pointsLen = points.length; + let delta, pointBefore, pointCurrent; + let pointAfter = getPoint(points, 0); + for(let i = 0; i < pointsLen; ++i){ + pointBefore = pointCurrent; + pointCurrent = pointAfter; + pointAfter = getPoint(points, i + 1); + if (!pointCurrent) { + continue; + } + const iPixel = pointCurrent[indexAxis]; + const vPixel = pointCurrent[valueAxis]; + if (pointBefore) { + delta = (iPixel - pointBefore[indexAxis]) / 3; + pointCurrent[`cp1${indexAxis}`] = iPixel - delta; + pointCurrent[`cp1${valueAxis}`] = vPixel - delta * mK[i]; + } + if (pointAfter) { + delta = (pointAfter[indexAxis] - iPixel) / 3; + pointCurrent[`cp2${indexAxis}`] = iPixel + delta; + pointCurrent[`cp2${valueAxis}`] = vPixel + delta * mK[i]; + } + } +} +/** + * This function calculates Bézier control points in a similar way than |splineCurve|, + * but preserves monotonicity of the provided data and ensures no local extremums are added + * between the dataset discrete points due to the interpolation. + * See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation + */ function splineCurveMonotone(points, indexAxis = 'x') { + const valueAxis = getValueAxis(indexAxis); + const pointsLen = points.length; + const deltaK = Array(pointsLen).fill(0); + const mK = Array(pointsLen); + // Calculate slopes (deltaK) and initialize tangents (mK) + let i, pointBefore, pointCurrent; + let pointAfter = getPoint(points, 0); + for(i = 0; i < pointsLen; ++i){ + pointBefore = pointCurrent; + pointCurrent = pointAfter; + pointAfter = getPoint(points, i + 1); + if (!pointCurrent) { + continue; + } + if (pointAfter) { + const slopeDelta = pointAfter[indexAxis] - pointCurrent[indexAxis]; + // In the case of two points that appear at the same x pixel, slopeDeltaX is 0 + deltaK[i] = slopeDelta !== 0 ? (pointAfter[valueAxis] - pointCurrent[valueAxis]) / slopeDelta : 0; + } + mK[i] = !pointBefore ? deltaK[i] : !pointAfter ? deltaK[i - 1] : sign(deltaK[i - 1]) !== sign(deltaK[i]) ? 0 : (deltaK[i - 1] + deltaK[i]) / 2; + } + monotoneAdjust(points, deltaK, mK); + monotoneCompute(points, mK, indexAxis); +} +function capControlPoint(pt, min, max) { + return Math.max(Math.min(pt, max), min); +} +function capBezierPoints(points, area) { + let i, ilen, point, inArea, inAreaPrev; + let inAreaNext = _isPointInArea(points[0], area); + for(i = 0, ilen = points.length; i < ilen; ++i){ + inAreaPrev = inArea; + inArea = inAreaNext; + inAreaNext = i < ilen - 1 && _isPointInArea(points[i + 1], area); + if (!inArea) { + continue; + } + point = points[i]; + if (inAreaPrev) { + point.cp1x = capControlPoint(point.cp1x, area.left, area.right); + point.cp1y = capControlPoint(point.cp1y, area.top, area.bottom); + } + if (inAreaNext) { + point.cp2x = capControlPoint(point.cp2x, area.left, area.right); + point.cp2y = capControlPoint(point.cp2y, area.top, area.bottom); + } + } +} +/** + * @private + */ function _updateBezierControlPoints(points, options, area, loop, indexAxis) { + let i, ilen, point, controlPoints; + // Only consider points that are drawn in case the spanGaps option is used + if (options.spanGaps) { + points = points.filter((pt)=>!pt.skip); + } + if (options.cubicInterpolationMode === 'monotone') { + splineCurveMonotone(points, indexAxis); + } else { + let prev = loop ? points[points.length - 1] : points[0]; + for(i = 0, ilen = points.length; i < ilen; ++i){ + point = points[i]; + controlPoints = splineCurve(prev, point, points[Math.min(i + 1, ilen - (loop ? 0 : 1)) % ilen], options.tension); + point.cp1x = controlPoints.previous.x; + point.cp1y = controlPoints.previous.y; + point.cp2x = controlPoints.next.x; + point.cp2y = controlPoints.next.y; + prev = point; + } + } + if (options.capBezierPoints) { + capBezierPoints(points, area); + } +} + +/** + * Note: typedefs are auto-exported, so use a made-up `dom` namespace where + * necessary to avoid duplicates with `export * from './helpers`; see + * https://github.com/microsoft/TypeScript/issues/46011 + * @typedef { import('../core/core.controller.js').default } dom.Chart + * @typedef { import('../../types').ChartEvent } ChartEvent + */ /** + * @private + */ function _isDomSupported() { + return typeof window !== 'undefined' && typeof document !== 'undefined'; +} +/** + * @private + */ function _getParentNode(domNode) { + let parent = domNode.parentNode; + if (parent && parent.toString() === '[object ShadowRoot]') { + parent = parent.host; + } + return parent; +} +/** + * convert max-width/max-height values that may be percentages into a number + * @private + */ function parseMaxStyle(styleValue, node, parentProperty) { + let valueInPixels; + if (typeof styleValue === 'string') { + valueInPixels = parseInt(styleValue, 10); + if (styleValue.indexOf('%') !== -1) { + // percentage * size in dimension + valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; + } + } else { + valueInPixels = styleValue; + } + return valueInPixels; +} +const getComputedStyle = (element)=>element.ownerDocument.defaultView.getComputedStyle(element, null); +function getStyle(el, property) { + return getComputedStyle(el).getPropertyValue(property); +} +const positions = [ + 'top', + 'right', + 'bottom', + 'left' +]; +function getPositionedStyle(styles, style, suffix) { + const result = {}; + suffix = suffix ? '-' + suffix : ''; + for(let i = 0; i < 4; i++){ + const pos = positions[i]; + result[pos] = parseFloat(styles[style + '-' + pos + suffix]) || 0; + } + result.width = result.left + result.right; + result.height = result.top + result.bottom; + return result; +} +const useOffsetPos = (x, y, target)=>(x > 0 || y > 0) && (!target || !target.shadowRoot); +/** + * @param e + * @param canvas + * @returns Canvas position + */ function getCanvasPosition(e, canvas) { + const touches = e.touches; + const source = touches && touches.length ? touches[0] : e; + const { offsetX , offsetY } = source; + let box = false; + let x, y; + if (useOffsetPos(offsetX, offsetY, e.target)) { + x = offsetX; + y = offsetY; + } else { + const rect = canvas.getBoundingClientRect(); + x = source.clientX - rect.left; + y = source.clientY - rect.top; + box = true; + } + return { + x, + y, + box + }; +} +/** + * Gets an event's x, y coordinates, relative to the chart area + * @param event + * @param chart + * @returns x and y coordinates of the event + */ function getRelativePosition(event, chart) { + if ('native' in event) { + return event; + } + const { canvas , currentDevicePixelRatio } = chart; + const style = getComputedStyle(canvas); + const borderBox = style.boxSizing === 'border-box'; + const paddings = getPositionedStyle(style, 'padding'); + const borders = getPositionedStyle(style, 'border', 'width'); + const { x , y , box } = getCanvasPosition(event, canvas); + const xOffset = paddings.left + (box && borders.left); + const yOffset = paddings.top + (box && borders.top); + let { width , height } = chart; + if (borderBox) { + width -= paddings.width + borders.width; + height -= paddings.height + borders.height; + } + return { + x: Math.round((x - xOffset) / width * canvas.width / currentDevicePixelRatio), + y: Math.round((y - yOffset) / height * canvas.height / currentDevicePixelRatio) + }; +} +function getContainerSize(canvas, width, height) { + let maxWidth, maxHeight; + if (width === undefined || height === undefined) { + const container = _getParentNode(canvas); + if (!container) { + width = canvas.clientWidth; + height = canvas.clientHeight; + } else { + const rect = container.getBoundingClientRect(); // this is the border box of the container + const containerStyle = getComputedStyle(container); + const containerBorder = getPositionedStyle(containerStyle, 'border', 'width'); + const containerPadding = getPositionedStyle(containerStyle, 'padding'); + width = rect.width - containerPadding.width - containerBorder.width; + height = rect.height - containerPadding.height - containerBorder.height; + maxWidth = parseMaxStyle(containerStyle.maxWidth, container, 'clientWidth'); + maxHeight = parseMaxStyle(containerStyle.maxHeight, container, 'clientHeight'); + } + } + return { + width, + height, + maxWidth: maxWidth || INFINITY, + maxHeight: maxHeight || INFINITY + }; +} +const round1 = (v)=>Math.round(v * 10) / 10; +// eslint-disable-next-line complexity +function getMaximumSize(canvas, bbWidth, bbHeight, aspectRatio) { + const style = getComputedStyle(canvas); + const margins = getPositionedStyle(style, 'margin'); + const maxWidth = parseMaxStyle(style.maxWidth, canvas, 'clientWidth') || INFINITY; + const maxHeight = parseMaxStyle(style.maxHeight, canvas, 'clientHeight') || INFINITY; + const containerSize = getContainerSize(canvas, bbWidth, bbHeight); + let { width , height } = containerSize; + if (style.boxSizing === 'content-box') { + const borders = getPositionedStyle(style, 'border', 'width'); + const paddings = getPositionedStyle(style, 'padding'); + width -= paddings.width + borders.width; + height -= paddings.height + borders.height; + } + width = Math.max(0, width - margins.width); + height = Math.max(0, aspectRatio ? width / aspectRatio : height - margins.height); + width = round1(Math.min(width, maxWidth, containerSize.maxWidth)); + height = round1(Math.min(height, maxHeight, containerSize.maxHeight)); + if (width && !height) { + // https://github.com/chartjs/Chart.js/issues/4659 + // If the canvas has width, but no height, default to aspectRatio of 2 (canvas default) + height = round1(width / 2); + } + const maintainHeight = bbWidth !== undefined || bbHeight !== undefined; + if (maintainHeight && aspectRatio && containerSize.height && height > containerSize.height) { + height = containerSize.height; + width = round1(Math.floor(height * aspectRatio)); + } + return { + width, + height + }; +} +/** + * @param chart + * @param forceRatio + * @param forceStyle + * @returns True if the canvas context size or transformation has changed. + */ function retinaScale(chart, forceRatio, forceStyle) { + const pixelRatio = forceRatio || 1; + const deviceHeight = Math.floor(chart.height * pixelRatio); + const deviceWidth = Math.floor(chart.width * pixelRatio); + chart.height = Math.floor(chart.height); + chart.width = Math.floor(chart.width); + const canvas = chart.canvas; + // If no style has been set on the canvas, the render size is used as display size, + // making the chart visually bigger, so let's enforce it to the "correct" values. + // See https://github.com/chartjs/Chart.js/issues/3575 + if (canvas.style && (forceStyle || !canvas.style.height && !canvas.style.width)) { + canvas.style.height = `${chart.height}px`; + canvas.style.width = `${chart.width}px`; + } + if (chart.currentDevicePixelRatio !== pixelRatio || canvas.height !== deviceHeight || canvas.width !== deviceWidth) { + chart.currentDevicePixelRatio = pixelRatio; + canvas.height = deviceHeight; + canvas.width = deviceWidth; + chart.ctx.setTransform(pixelRatio, 0, 0, pixelRatio, 0, 0); + return true; + } + return false; +} +/** + * Detects support for options object argument in addEventListener. + * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support + * @private + */ const supportsEventListenerOptions = function() { + let passiveSupported = false; + try { + const options = { + get passive () { + passiveSupported = true; + return false; + } + }; + window.addEventListener('test', null, options); + window.removeEventListener('test', null, options); + } catch (e) { + // continue regardless of error + } + return passiveSupported; +}(); +/** + * The "used" size is the final value of a dimension property after all calculations have + * been performed. This method uses the computed style of `element` but returns undefined + * if the computed style is not expressed in pixels. That can happen in some cases where + * `element` has a size relative to its parent and this last one is not yet displayed, + * for example because of `display: none` on a parent node. + * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value + * @returns Size in pixels or undefined if unknown. + */ function readUsedSize(element, property) { + const value = getStyle(element, property); + const matches = value && value.match(/^(\d+)(\.\d+)?px$/); + return matches ? +matches[1] : undefined; +} + +/** + * @private + */ function _pointInLine(p1, p2, t, mode) { + return { + x: p1.x + t * (p2.x - p1.x), + y: p1.y + t * (p2.y - p1.y) + }; +} +/** + * @private + */ function _steppedInterpolation(p1, p2, t, mode) { + return { + x: p1.x + t * (p2.x - p1.x), + y: mode === 'middle' ? t < 0.5 ? p1.y : p2.y : mode === 'after' ? t < 1 ? p1.y : p2.y : t > 0 ? p2.y : p1.y + }; +} +/** + * @private + */ function _bezierInterpolation(p1, p2, t, mode) { + const cp1 = { + x: p1.cp2x, + y: p1.cp2y + }; + const cp2 = { + x: p2.cp1x, + y: p2.cp1y + }; + const a = _pointInLine(p1, cp1, t); + const b = _pointInLine(cp1, cp2, t); + const c = _pointInLine(cp2, p2, t); + const d = _pointInLine(a, b, t); + const e = _pointInLine(b, c, t); + return _pointInLine(d, e, t); +} + +const getRightToLeftAdapter = function(rectX, width) { + return { + x (x) { + return rectX + rectX + width - x; + }, + setWidth (w) { + width = w; + }, + textAlign (align) { + if (align === 'center') { + return align; + } + return align === 'right' ? 'left' : 'right'; + }, + xPlus (x, value) { + return x - value; + }, + leftForLtr (x, itemWidth) { + return x - itemWidth; + } + }; +}; +const getLeftToRightAdapter = function() { + return { + x (x) { + return x; + }, + setWidth (w) {}, + textAlign (align) { + return align; + }, + xPlus (x, value) { + return x + value; + }, + leftForLtr (x, _itemWidth) { + return x; + } + }; +}; +function getRtlAdapter(rtl, rectX, width) { + return rtl ? getRightToLeftAdapter(rectX, width) : getLeftToRightAdapter(); +} +function overrideTextDirection(ctx, direction) { + let style, original; + if (direction === 'ltr' || direction === 'rtl') { + style = ctx.canvas.style; + original = [ + style.getPropertyValue('direction'), + style.getPropertyPriority('direction') + ]; + style.setProperty('direction', direction, 'important'); + ctx.prevTextDirection = original; + } +} +function restoreTextDirection(ctx, original) { + if (original !== undefined) { + delete ctx.prevTextDirection; + ctx.canvas.style.setProperty('direction', original[0], original[1]); + } +} + +function propertyFn(property) { + if (property === 'angle') { + return { + between: _angleBetween, + compare: _angleDiff, + normalize: _normalizeAngle + }; + } + return { + between: _isBetween, + compare: (a, b)=>a - b, + normalize: (x)=>x + }; +} +function normalizeSegment({ start , end , count , loop , style }) { + return { + start: start % count, + end: end % count, + loop: loop && (end - start + 1) % count === 0, + style + }; +} +function getSegment(segment, points, bounds) { + const { property , start: startBound , end: endBound } = bounds; + const { between , normalize } = propertyFn(property); + const count = points.length; + let { start , end , loop } = segment; + let i, ilen; + if (loop) { + start += count; + end += count; + for(i = 0, ilen = count; i < ilen; ++i){ + if (!between(normalize(points[start % count][property]), startBound, endBound)) { + break; + } + start--; + end--; + } + start %= count; + end %= count; + } + if (end < start) { + end += count; + } + return { + start, + end, + loop, + style: segment.style + }; +} + function _boundSegment(segment, points, bounds) { + if (!bounds) { + return [ + segment + ]; + } + const { property , start: startBound , end: endBound } = bounds; + const count = points.length; + const { compare , between , normalize } = propertyFn(property); + const { start , end , loop , style } = getSegment(segment, points, bounds); + const result = []; + let inside = false; + let subStart = null; + let value, point, prevValue; + const startIsBefore = ()=>between(startBound, prevValue, value) && compare(startBound, prevValue) !== 0; + const endIsBefore = ()=>compare(endBound, value) === 0 || between(endBound, prevValue, value); + const shouldStart = ()=>inside || startIsBefore(); + const shouldStop = ()=>!inside || endIsBefore(); + for(let i = start, prev = start; i <= end; ++i){ + point = points[i % count]; + if (point.skip) { + continue; + } + value = normalize(point[property]); + if (value === prevValue) { + continue; + } + inside = between(value, startBound, endBound); + if (subStart === null && shouldStart()) { + subStart = compare(value, startBound) === 0 ? i : prev; + } + if (subStart !== null && shouldStop()) { + result.push(normalizeSegment({ + start: subStart, + end: i, + loop, + count, + style + })); + subStart = null; + } + prev = i; + prevValue = value; + } + if (subStart !== null) { + result.push(normalizeSegment({ + start: subStart, + end, + loop, + count, + style + })); + } + return result; +} + function _boundSegments(line, bounds) { + const result = []; + const segments = line.segments; + for(let i = 0; i < segments.length; i++){ + const sub = _boundSegment(segments[i], line.points, bounds); + if (sub.length) { + result.push(...sub); + } + } + return result; +} + function findStartAndEnd(points, count, loop, spanGaps) { + let start = 0; + let end = count - 1; + if (loop && !spanGaps) { + while(start < count && !points[start].skip){ + start++; + } + } + while(start < count && points[start].skip){ + start++; + } + start %= count; + if (loop) { + end += start; + } + while(end > start && points[end % count].skip){ + end--; + } + end %= count; + return { + start, + end + }; +} + function solidSegments(points, start, max, loop) { + const count = points.length; + const result = []; + let last = start; + let prev = points[start]; + let end; + for(end = start + 1; end <= max; ++end){ + const cur = points[end % count]; + if (cur.skip || cur.stop) { + if (!prev.skip) { + loop = false; + result.push({ + start: start % count, + end: (end - 1) % count, + loop + }); + start = last = cur.stop ? end : null; + } + } else { + last = end; + if (prev.skip) { + start = end; + } + } + prev = cur; + } + if (last !== null) { + result.push({ + start: start % count, + end: last % count, + loop + }); + } + return result; +} + function _computeSegments(line, segmentOptions) { + const points = line.points; + const spanGaps = line.options.spanGaps; + const count = points.length; + if (!count) { + return []; + } + const loop = !!line._loop; + const { start , end } = findStartAndEnd(points, count, loop, spanGaps); + if (spanGaps === true) { + return splitByStyles(line, [ + { + start, + end, + loop + } + ], points, segmentOptions); + } + const max = end < start ? end + count : end; + const completeLoop = !!line._fullLoop && start === 0 && end === count - 1; + return splitByStyles(line, solidSegments(points, start, max, completeLoop), points, segmentOptions); +} + function splitByStyles(line, segments, points, segmentOptions) { + if (!segmentOptions || !segmentOptions.setContext || !points) { + return segments; + } + return doSplitByStyles(line, segments, points, segmentOptions); +} + function doSplitByStyles(line, segments, points, segmentOptions) { + const chartContext = line._chart.getContext(); + const baseStyle = readStyle(line.options); + const { _datasetIndex: datasetIndex , options: { spanGaps } } = line; + const count = points.length; + const result = []; + let prevStyle = baseStyle; + let start = segments[0].start; + let i = start; + function addStyle(s, e, l, st) { + const dir = spanGaps ? -1 : 1; + if (s === e) { + return; + } + s += count; + while(points[s % count].skip){ + s -= dir; + } + while(points[e % count].skip){ + e += dir; + } + if (s % count !== e % count) { + result.push({ + start: s % count, + end: e % count, + loop: l, + style: st + }); + prevStyle = st; + start = e % count; + } + } + for (const segment of segments){ + start = spanGaps ? start : segment.start; + let prev = points[start % count]; + let style; + for(i = start + 1; i <= segment.end; i++){ + const pt = points[i % count]; + style = readStyle(segmentOptions.setContext(createContext(chartContext, { + type: 'segment', + p0: prev, + p1: pt, + p0DataIndex: (i - 1) % count, + p1DataIndex: i % count, + datasetIndex + }))); + if (styleChanged(style, prevStyle)) { + addStyle(start, i - 1, segment.loop, prevStyle); + } + prev = pt; + prevStyle = style; + } + if (start < i - 1) { + addStyle(start, i - 1, segment.loop, prevStyle); + } + } + return result; +} +function readStyle(options) { + return { + backgroundColor: options.backgroundColor, + borderCapStyle: options.borderCapStyle, + borderDash: options.borderDash, + borderDashOffset: options.borderDashOffset, + borderJoinStyle: options.borderJoinStyle, + borderWidth: options.borderWidth, + borderColor: options.borderColor + }; +} +function styleChanged(style, prevStyle) { + if (!prevStyle) { + return false; + } + const cache = []; + const replacer = function(key, value) { + if (!isPatternOrGradient(value)) { + return value; + } + if (!cache.includes(value)) { + cache.push(value); + } + return cache.indexOf(value); + }; + return JSON.stringify(style, replacer) !== JSON.stringify(prevStyle, replacer); +} + +exports.HALF_PI = HALF_PI; +exports.INFINITY = INFINITY; +exports.PI = PI; +exports.PITAU = PITAU; +exports.QUARTER_PI = QUARTER_PI; +exports.RAD_PER_DEG = RAD_PER_DEG; +exports.TAU = TAU; +exports.TWO_THIRDS_PI = TWO_THIRDS_PI; +exports.Ticks = Ticks; +exports._addGrace = _addGrace; +exports._alignPixel = _alignPixel; +exports._alignStartEnd = _alignStartEnd; +exports._angleBetween = _angleBetween; +exports._angleDiff = _angleDiff; +exports._arrayUnique = _arrayUnique; +exports._attachContext = _attachContext; +exports._bezierCurveTo = _bezierCurveTo; +exports._bezierInterpolation = _bezierInterpolation; +exports._boundSegment = _boundSegment; +exports._boundSegments = _boundSegments; +exports._capitalize = _capitalize; +exports._computeSegments = _computeSegments; +exports._createResolver = _createResolver; +exports._decimalPlaces = _decimalPlaces; +exports._deprecated = _deprecated; +exports._descriptors = _descriptors; +exports._elementsEqual = _elementsEqual; +exports._factorize = _factorize; +exports._filterBetween = _filterBetween; +exports._getParentNode = _getParentNode; +exports._getStartAndCountOfVisiblePoints = _getStartAndCountOfVisiblePoints; +exports._int16Range = _int16Range; +exports._isBetween = _isBetween; +exports._isClickEvent = _isClickEvent; +exports._isDomSupported = _isDomSupported; +exports._isPointInArea = _isPointInArea; +exports._limitValue = _limitValue; +exports._longestText = _longestText; +exports._lookup = _lookup; +exports._lookupByKey = _lookupByKey; +exports._measureText = _measureText; +exports._merger = _merger; +exports._mergerIf = _mergerIf; +exports._normalizeAngle = _normalizeAngle; +exports._parseObjectDataRadialScale = _parseObjectDataRadialScale; +exports._pointInLine = _pointInLine; +exports._readValueToProps = _readValueToProps; +exports._rlookupByKey = _rlookupByKey; +exports._scaleRangesChanged = _scaleRangesChanged; +exports._setMinAndMaxByKey = _setMinAndMaxByKey; +exports._splitKey = _splitKey; +exports._steppedInterpolation = _steppedInterpolation; +exports._steppedLineTo = _steppedLineTo; +exports._textX = _textX; +exports._toLeftRightCenter = _toLeftRightCenter; +exports._updateBezierControlPoints = _updateBezierControlPoints; +exports.addRoundedRectPath = addRoundedRectPath; +exports.almostEquals = almostEquals; +exports.almostWhole = almostWhole; +exports.callback = callback; +exports.clearCanvas = clearCanvas; +exports.clipArea = clipArea; +exports.clone = clone; +exports.color = color; +exports.createContext = createContext; +exports.debounce = debounce; +exports.defaults = defaults; +exports.defined = defined; +exports.descriptors = descriptors; +exports.distanceBetweenPoints = distanceBetweenPoints; +exports.drawPoint = drawPoint; +exports.drawPointLegend = drawPointLegend; +exports.each = each; +exports.effects = effects; +exports.finiteOrDefault = finiteOrDefault; +exports.fontString = fontString; +exports.formatNumber = formatNumber; +exports.getAngleFromPoint = getAngleFromPoint; +exports.getHoverColor = getHoverColor; +exports.getMaximumSize = getMaximumSize; +exports.getRelativePosition = getRelativePosition; +exports.getRtlAdapter = getRtlAdapter; +exports.getStyle = getStyle; +exports.isArray = isArray; +exports.isFunction = isFunction; +exports.isNullOrUndef = isNullOrUndef; +exports.isNumber = isNumber; +exports.isNumberFinite = isNumberFinite; +exports.isObject = isObject; +exports.isPatternOrGradient = isPatternOrGradient; +exports.listenArrayEvents = listenArrayEvents; +exports.log10 = log10; +exports.merge = merge; +exports.mergeIf = mergeIf; +exports.niceNum = niceNum; +exports.noop = noop; +exports.overrideTextDirection = overrideTextDirection; +exports.overrides = overrides; +exports.readUsedSize = readUsedSize; +exports.renderText = renderText; +exports.requestAnimFrame = requestAnimFrame; +exports.resolve = resolve; +exports.resolveObjectKey = resolveObjectKey; +exports.restoreTextDirection = restoreTextDirection; +exports.retinaScale = retinaScale; +exports.setsEqual = setsEqual; +exports.sign = sign; +exports.splineCurve = splineCurve; +exports.splineCurveMonotone = splineCurveMonotone; +exports.supportsEventListenerOptions = supportsEventListenerOptions; +exports.throttled = throttled; +exports.toDegrees = toDegrees; +exports.toDimension = toDimension; +exports.toFont = toFont; +exports.toFontString = toFontString; +exports.toLineHeight = toLineHeight; +exports.toPadding = toPadding; +exports.toPercentage = toPercentage; +exports.toRadians = toRadians; +exports.toTRBL = toTRBL; +exports.toTRBLCorners = toTRBLCorners; +exports.uid = uid; +exports.unclipArea = unclipArea; +exports.unlistenArrayEvents = unlistenArrayEvents; +exports.valueOrDefault = valueOrDefault; +//# sourceMappingURL=helpers.segment.cjs.map + + +/***/ }), + +/***/ 8392: +/***/ ((module) => { + +"use strict"; +module.exports = JSON.parse('{"name":"canvas","description":"Canvas graphics API backed by Cairo","version":"2.11.2","author":"TJ Holowaychuk ","main":"index.js","browser":"browser.js","contributors":["Nathan Rajlich ","Rod Vagg ","Juriy Zaytsev "],"keywords":["canvas","graphic","graphics","pixman","cairo","image","images","pdf"],"homepage":"https://github.com/Automattic/node-canvas","repository":"git://github.com/Automattic/node-canvas.git","scripts":{"prebenchmark":"node-gyp build","benchmark":"node benchmarks/run.js","lint":"standard examples/*.js test/server.js test/public/*.js benchmarks/run.js lib/context2d.js util/has_lib.js browser.js index.js","test":"mocha test/*.test.js","pretest-server":"node-gyp build","test-server":"node test/server.js","generate-wpt":"node ./test/wpt/generate.js","test-wpt":"mocha test/wpt/generated/*.js","install":"node-pre-gyp install --fallback-to-build --update-binary","dtslint":"dtslint types"},"binary":{"module_name":"canvas","module_path":"build/Release","host":"https://github.com/Automattic/node-canvas/releases/download/","remote_path":"v{version}","package_name":"{module_name}-v{version}-{node_abi}-{platform}-{libc}-{arch}.tar.gz"},"files":["binding.gyp","lib/","src/","util/","types/index.d.ts"],"types":"types/index.d.ts","dependencies":{"@mapbox/node-pre-gyp":"^1.0.0","nan":"^2.17.0","simple-get":"^3.0.3"},"devDependencies":{"@types/node":"^10.12.18","assert-rejects":"^1.0.0","dtslint":"^4.0.7","express":"^4.16.3","js-yaml":"^4.1.0","mocha":"^5.2.0","pixelmatch":"^4.0.2","standard":"^12.0.1","typescript":"^4.2.2"},"engines":{"node":">=6"},"license":"MIT"}'); + +/***/ }), + /***/ 3765: /***/ ((module) => { diff --git a/package-lock.json b/package-lock.json index f2db454..3b2ac16 100644 --- a/package-lock.json +++ b/package-lock.json @@ -20,6 +20,8 @@ "@octokit/core": "^3.5.1", "@octokit/rest": "^20.0.2", "@octokit/types": "^6.34.0", + "canvas": "^2.11.2", + "chart.js": "^4.4.0", "js-base64": "^3.7.5", "luxon": "^3.4.4", "octokit": "^3.1.1", @@ -1599,6 +1601,30 @@ "integrity": "sha512-XPSJHWmi394fuUuzDnGz1wiKqWfo1yXecHQMRf2l6hztTO+nPru658AyDngaBe7isIxEkRsPR3FZh+s7iVa4Uw==", "dev": true }, + "node_modules/@kurkle/color": { + "version": "0.3.2", + "resolved": "https://registry.npmjs.org/@kurkle/color/-/color-0.3.2.tgz", + "integrity": "sha512-fuscdXJ9G1qb7W8VdHi+IwRqij3lBkosAm4ydQtEmbY58OzHXqQhvlxqEkoz0yssNVn38bcpRWgA9PP+OGoisw==" + }, + "node_modules/@mapbox/node-pre-gyp": { + "version": "1.0.11", + "resolved": "https://registry.npmjs.org/@mapbox/node-pre-gyp/-/node-pre-gyp-1.0.11.tgz", + "integrity": "sha512-Yhlar6v9WQgUp/He7BdgzOz8lqMQ8sU+jkCq7Wx8Myc5YFJLbEe7lgui/V7G1qB1DJykHSGwreceSaD60Y0PUQ==", + "dependencies": { + "detect-libc": "^2.0.0", + "https-proxy-agent": "^5.0.0", + "make-dir": "^3.1.0", + "node-fetch": "^2.6.7", + "nopt": "^5.0.0", + "npmlog": "^5.0.1", + "rimraf": "^3.0.2", + "semver": "^7.3.5", + "tar": "^6.1.11" + }, + "bin": { + "node-pre-gyp": "bin/node-pre-gyp" + } + }, "node_modules/@nodelib/fs.scandir": { "version": "2.1.5", "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz", @@ -3074,6 +3100,11 @@ "ncc": "dist/ncc/cli.js" } }, + "node_modules/abbrev": { + "version": "1.1.1", + "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz", + "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==" + }, "node_modules/abort-controller": { "version": "3.0.0", "resolved": "https://registry.npmjs.org/abort-controller/-/abort-controller-3.0.0.tgz", @@ -3106,6 +3137,17 @@ "acorn": "^6.0.0 || ^7.0.0 || ^8.0.0" } }, + "node_modules/agent-base": { + "version": "6.0.2", + "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz", + "integrity": "sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==", + "dependencies": { + "debug": "4" + }, + "engines": { + "node": ">= 6.0.0" + } + }, "node_modules/aggregate-error": { "version": "3.1.0", "resolved": "https://registry.npmjs.org/aggregate-error/-/aggregate-error-3.1.0.tgz", @@ -3165,7 +3207,6 @@ "version": "5.0.1", "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz", "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==", - "dev": true, "engines": { "node": ">=8" } @@ -3198,6 +3239,23 @@ "node": ">= 8" } }, + "node_modules/aproba": { + "version": "2.0.0", + "resolved": "https://registry.npmjs.org/aproba/-/aproba-2.0.0.tgz", + "integrity": "sha512-lYe4Gx7QT+MKGbDsA+Z+he/Wtef0BiwDOlK/XkBrdfsh9J/jPPXbX0tE9x9cl27Tmu5gg3QUbUrQYa/y+KOHPQ==" + }, + "node_modules/are-we-there-yet": { + "version": "2.0.0", + "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-2.0.0.tgz", + "integrity": "sha512-Ci/qENmwHnsYo9xKIcUJN5LeDKdJ6R1Z1j9V/J5wyq8nh/mYPEpIKJbBZXtZjG04HiK7zV/p6Vs9952MrMeUIw==", + "dependencies": { + "delegates": "^1.0.0", + "readable-stream": "^3.6.0" + }, + "engines": { + "node": ">=10" + } + }, "node_modules/argparse": { "version": "2.0.1", "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz", @@ -3574,6 +3632,20 @@ } ] }, + "node_modules/canvas": { + "version": "2.11.2", + "resolved": "https://registry.npmjs.org/canvas/-/canvas-2.11.2.tgz", + "integrity": "sha512-ItanGBMrmRV7Py2Z+Xhs7cT+FNt5K0vPL4p9EZ/UX/Mu7hFbkxSjKF2KVtPwX7UYWp7dRKnrTvReflgrItJbdw==", + "hasInstallScript": true, + "dependencies": { + "@mapbox/node-pre-gyp": "^1.0.0", + "nan": "^2.17.0", + "simple-get": "^3.0.3" + }, + "engines": { + "node": ">=6" + } + }, "node_modules/chalk": { "version": "4.1.2", "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz", @@ -3599,6 +3671,25 @@ "node": ">=10" } }, + "node_modules/chart.js": { + "version": "4.4.0", + "resolved": "https://registry.npmjs.org/chart.js/-/chart.js-4.4.0.tgz", + "integrity": 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"https://registry.npmjs.org/string-length/-/string-length-4.0.2.tgz", @@ -14659,7 +15267,6 @@ "version": "4.2.3", "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz", "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==", - "dev": true, "requires": { "emoji-regex": "^8.0.0", "is-fullwidth-code-point": "^3.0.0", @@ -14669,8 +15276,7 @@ "emoji-regex": { "version": "8.0.0", "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz", - "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==", - "dev": true + "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==" } } }, @@ -14711,7 +15317,6 @@ "version": "6.0.1", "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz", "integrity": 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"https://registry.npmjs.org/test-exclude/-/test-exclude-6.0.0.tgz", @@ -14953,6 +15578,11 @@ "punycode": "^2.1.0" } }, + "util-deprecate": { + "version": "1.0.2", + "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz", + "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==" + }, "uuid": { "version": "8.3.2", "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz", @@ -15048,6 +15678,14 @@ "is-typed-array": "^1.1.10" } }, + "wide-align": { + "version": "1.1.5", + "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.5.tgz", + "integrity": "sha512-eDMORYaPNZ4sQIuuYPDHdQvf4gyCF9rEEV/yPxGfwPkRodwEgiMUUXTx/dex+Me0wxx53S+NgUHaP7y3MGlDmg==", + "requires": { + "string-width": "^1.0.2 || 2 || 3 || 4" + } + }, "word-wrap": { "version": "1.2.5", "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz", diff --git a/package.json b/package.json index d8be8a1..2eb18ed 100644 --- a/package.json +++ b/package.json @@ -38,6 +38,8 @@ "@octokit/core": "^3.5.1", "@octokit/rest": "^20.0.2", "@octokit/types": "^6.34.0", + "canvas": "^2.11.2", + "chart.js": "^4.4.0", "js-base64": "^3.7.5", "luxon": "^3.4.4", "octokit": "^3.1.1", diff --git a/src/features/reports.ts b/src/features/reports.ts index f64ae5f..0d0bfb1 100644 --- a/src/features/reports.ts +++ b/src/features/reports.ts @@ -5,10 +5,11 @@ import * as github from '@actions/github' import {join} from 'path' import {tmpdir} from 'os' import { + createChart, createPRComment, createRef, - createTree, formatTimestamps, getImageData, - getPrBaseBranchMetrics, getPushEvents, + createTree, + getPrBaseBranchMetrics, isPREvent, toSemVer } from '../utils' @@ -150,7 +151,7 @@ export async function generateReports(): Promise { const treeSha = await createTree(JSON.stringify(buildOutput)) await createRef(treeSha) if (areMetricHistoriesEnabled()) { - const pushEvents = await getPushEvents(getBuildCountsForMetricHistory()) + /*const pushEvents = await getPushEvents(getBuildCountsForMetricHistory()) // Prepare data const timestamps = [] const shas = [] @@ -163,7 +164,8 @@ export async function generateReports(): Promise { const commitDates = formatTimestamps(timestamps) const mermaidDiagramm = createHistoryDiagramm(shas, imageData, commitDates) core.summary.addRaw(mermaidDiagramm) - await core.summary.write() + await core.summary.write()*/ + await createChart() } if (arePRBaseComparisonEnabled()) { diff --git a/src/utils.ts b/src/utils.ts index e8d458b..8abba8c 100644 --- a/src/utils.ts +++ b/src/utils.ts @@ -4,6 +4,7 @@ import * as github from '@actions/github' import * as httpClient from '@actions/http-client' import * as tc from '@actions/tool-cache' import {exec as e, ExecOptions} from '@actions/exec' +import * as fs from 'fs' import {readdirSync, readFileSync} from 'fs' import {createHash} from 'crypto' import {join} from 'path' @@ -11,7 +12,10 @@ import {Base64} from "js-base64"; import {Octokit} from '@octokit/rest'; import fetch from "node-fetch"; import {Context} from "@actions/github/lib/context"; -import { DateTime } from 'luxon' +import {DateTime} from 'luxon' +import { Chart, registerables } from 'chart.js'; +import { createCanvas } from 'canvas'; + // Set up Octokit for github.com only and in the same way as @actions/github (see https://git.io/Jy9YP) const baseUrl = 'https://api.github.com' @@ -301,7 +305,7 @@ async function getBlobContent(octokit: Octokit, context: Context, blobSha: strin }) return Base64.decode(data.content) } - +/* export async function getPushEvents(numberOfBuilds: number): Promise { try { const octokit = new Octokit({ @@ -405,4 +409,215 @@ export async function getImageData(shas: string[]) { imageData.push(await getBlobContent(octokit, context, blobSha)) } return imageData +}*/ + + +function formatDate(date: string, n: number) { + // Parse the timestamp and convert it to the desired timezone + const commitTime = DateTime.fromISO(date, { zone: 'utc' }); + const commitTimeLocal = commitTime.setZone('Europe/Berlin'); + + if (n >= 30) { + return commitTimeLocal.toFormat('dd.MM.\HH:mm'); + } else { + return commitTimeLocal.toFormat('dd.MM.yyyy \n HH:mm'); + } } + +async function getImageData(commitSha: string) { + const octokit = new Octokit({ + auth: getGitHubToken(), + }); + + const context = github.context + try { + // Get the reference SHA + const refResponse = await octokit.git.getRef({ + ...context.repo, + ref: `graalvm-metrics/${commitSha}`, + }); + const refSha = refResponse.data.object.sha; + + console.log(refSha) + + // Get the tree SHA + const treeResponse = await octokit.git.getTree({ + ...context.repo, + tree_sha: refSha, + }); + const blobSha = treeResponse.data.tree[0].sha; + + // Get the blob content + const blobResponse = await octokit.git.getBlob({ + ...context.repo, + file_sha: String(blobSha), + }); + + const content = Buffer.from(blobResponse.data.content, 'base64').toString('utf-8'); + const data = JSON.parse(content); + + console.log(data.image_details.total_bytes / 1e6) + + return [ + data.image_details.total_bytes / 1e6, + data.image_details.code_area.bytes / 1e6, + data.image_details.image_heap.bytes / 1e6, + ]; + } catch (err) { + console.error('Error fetching image data'); + return [0, 0, 0]; + } +} + +// Function to fetch data +async function fetchData() { + const octokit = new Octokit({ + auth: getGitHubToken(), + }); + return new Promise(async (resolve) => { + + const response = await octokit.request(c.OCTOKIT_ROUTE_GET_EVENTS, { + ...github.context.repo, + headers: c.OCTOKIT_BASIC_HEADER + }) + + // get push events + const pushEvents = await getPushEvents(response); + + // Prepare data + const timestamps = []; + const shas = []; + + for (const pushEvent of pushEvents) { + timestamps.push(pushEvent.created_at); + shas.push(pushEvent.payload.commits[pushEvent.payload.commits.length - 1].sha); + } + + // Extract data for plotting + const commitDates = timestamps.map(timestamp => formatDate(timestamp, Number(core.getInput('build-counts-for-metric-history')))); + const imageDataPromises = shas.map(async sha => await getImageData(sha)); + const imageData = await Promise.all(imageDataPromises); + const imageSizes = imageData.filter(entry => entry).map(entry => entry[0]); + const codeAreaSizes = imageData.filter(entry => entry).map(entry => entry[1]); + const imageHeapSizes = imageData.filter(entry => entry).map(entry => entry[2]); + + const data= { + commitDates: commitDates, + imageData: imageData, + imageSizes: imageSizes, + codeAreaSizes: codeAreaSizes, + imageHeapSizes: imageHeapSizes + } + + resolve(data); + }); +} + +async function getPushEvents(response:any) { + const eventsArray = response.data; + let linkHeader = response.headers.link; + let commitsLeft = Number(core.getInput('build-counts-for-metric-history')); + const pushEvents = []; + + for (const event of eventsArray) { + if (commitsLeft <= 0) { + break; + } + if (event.type === "PushEvent" && event.payload.ref === process.env.GITHUB_REF) { + pushEvents.push(event); + commitsLeft -= 1; + } + } + + while (linkHeader && linkHeader.includes('rel="next"') && commitsLeft > 0) { + // Extract the URL for the next page + const nextPageMatch = linkHeader.match(/<([^>]+)>;\s*rel="next"/); + const nextPageUrl = nextPageMatch ? nextPageMatch[1] : null; + + // Make the request for the next page + const response = await fetch(nextPageUrl, { + headers: { + Authorization: getGitHubToken(), + }, + }); + + const responseJson = await response.json(); + + for (const event of responseJson) { + if (commitsLeft <= 0) { + break; + } + if (event.type === "PushEvent" && event.payload.ref === process.env.GITHUB_REF) { + pushEvents.push(event); + commitsLeft -= 1; + } + } + + // Update linkHeader for the next iteration + linkHeader = response.headers.get("link"); + } + return pushEvents; +} + +function createDatasets(data: any) { + const labels = data.commitDates.reverse(); + + const datasets = [ + { + label: 'Image Sizes', + data: data.imageSizes.reverse(), + borderColor: 'rgba(75, 192, 192, 1)', + backgroundColor: 'rgba(75, 192, 192, 0.2)', + pointRadius: 5, + pointHoverRadius: 8, + yAxisID: 'y-axis-1', + }, + { + label: 'Code Area Sizes', + data: data.codeAreaSizes.reverse(), + borderColor: 'rgba(255, 99, 132, 1)', + backgroundColor: 'rgba(255, 99, 132, 0.2)', + pointRadius: 5, + pointHoverRadius: 8, + yAxisID: 'y-axis-1', + }, + { + label: 'Image Heap Sizes', + data: data.imageHeapSizes.reverse(), + borderColor: 'rgba(255, 205, 86, 1)', + backgroundColor: 'rgba(255, 205, 86, 0.2)', + pointRadius: 5, + pointHoverRadius: 8, + yAxisID: 'y-axis-1', + }, + ]; + + return { + labels: labels, + datasets: datasets, + }; +} + +export async function createChart() { + try { + const data = await fetchData(); + + console.log(data) + + // Set up canvas + const canvas = createCanvas(800, 400); + + await Chart.register(...registerables); // Register Chart.js plugins + + // Save the canvas as a PNG file + const out = fs.createWriteStream('output_chart.png'); + const stream = canvas.createPNGStream(); + stream.pipe(out); + out.on('finish', () => console.log('The PNG file was created.')); + } catch (error) { + console.error('Error fetching data:', error); + } +} + +// Call the createChart function +//createChart();