mirror of
https://github.com/electron-vite/electron-vite-vue
synced 2024-10-13 07:56:43 +08:00
107 lines
3.2 KiB
TypeScript
107 lines
3.2 KiB
TypeScript
import path from 'path'
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import acorn from 'acorn'
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import { Plugin as RollupPlugin } from 'rollup'
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import { Plugin as VitePlugin } from 'vite'
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import { vue_js_ts_extensions } from './utils'
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/**
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* cjs2esm
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* @deprecated
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*/
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export function cjs2esm() {
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return {
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name: '@rollup/plugin-cjs2esm',
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transform(code: string, filename: string) {
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if (filename.includes(`${path.sep}node_modules${path.sep}`)) {
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return code
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}
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const cjsRegexp = /(const|let|var)[\n\s]+(\w+)[\n\s]*=[\n\s]*require\(["|'](.+)["|']\)/g
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const res = code.match(cjsRegexp)
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if (res) {
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// const Store = require('electron-store') -> import Store from 'electron-store'
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code = code.replace(cjsRegexp, `import $2 from '$3'`)
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}
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return code
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},
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}
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}
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/** esm2cjs */
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export function esm2cjs(moduleList: string[]): VitePlugin {
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const filter = {
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include: (id: string) => vue_js_ts_extensions.includes(path.parse(id).ext)
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}
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return {
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name: 'cxmh:esm2cjs',
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transform(code, id) {
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if (filter.include(id)) {
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const node: any = acorn.parse(code, {
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ecmaVersion: 'latest',
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sourceType: 'module',
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})
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const parsed = path.parse(id)
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let codeRet = code
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node.body.reverse().forEach((item) => {
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if (item.type !== 'ImportDeclaration') return
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if (!moduleList.includes(item.source.value)) return // 跳过不要转换的模块
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const statr = codeRet.substring(0, item.start)
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const end = codeRet.substring(item.end)
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const deft = item.specifiers.find(({ type }) => type === 'ImportDefaultSpecifier')
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const deftModule = deft ? deft.local.name : ''
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const nameAs = item.specifiers.find(({ type }) => type === 'ImportNamespaceSpecifier')
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const nameAsModule = nameAs ? nameAs.local.name : ''
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const modules = item.
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specifiers
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.filter((({ type }) => type === 'ImportSpecifier'))
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.reduce((acc, cur) => acc.concat(cur.imported.name), [])
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// console.log(deftModule, '|', nameAsModule, '|', modules, '\n----')
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if (nameAsModule) {
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// import * as name from
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codeRet = `${statr}const ${nameAsModule} = require(${item.source.raw})${end}`
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} else if (deftModule && !modules.length) {
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// import name from 'mod'
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codeRet = `${statr}const ${deftModule} = require(${item.source.raw})${end}`
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} else if (deftModule && modules.length) {
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// import name, { name2, name3 } from 'mod'
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codeRet = `${statr}const ${deftModule} = require(${item.source.raw})
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const { ${modules.join(', ')} } = ${deftModule}${end}`
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} else {
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// import { name1, name2 } from 'mod'
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codeRet = `${statr}const { ${modules.join(', ')} } = require(${item.source.raw})${end}`
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}
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})
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return codeRet
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}
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},
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}
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}
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/**
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* ensure cwd crrect
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* TODO: __dirname 会被编译成字符串
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* @deprecated
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*/
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export function ensureCwdCrrect(filename: string): RollupPlugin {
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return {
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name: 'cxmh:ensure-cwd-crrect',
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transform(code, id) {
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if (id === filename) {
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return `
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// !!! ensure cwd crrect
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process.chdir(__dirname)
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${code}
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`
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}
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},
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}
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}
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