const path = require('path')
const { nodeResolve } = require('@rollup/plugin-node-resolve')
const commonjs = require('@rollup/plugin-commonjs')
const esbuild = require('rollup-plugin-esbuild')

module.exports = (env = 'production') => {
  return {
    input: path.join(__dirname, '../src/main/index.ts'),
    output: {
      file: path.join(__dirname, '../dist/main/_.js'),
      format: 'cjs',
      name: 'ElectronMainBundle',
      sourcemap: true,
    },
    plugins: [
      nodeResolve(),
      commonjs(),
      esbuild({
        // All options are optional
        include: /\.[jt]sx?$/, // default, inferred from `loaders` option
        exclude: /node_modules/, // default
        // watch: process.argv.includes('--watch'), // rollup 中有配置
        sourceMap: false, // default
        minify: process.env.NODE_ENV === 'production',
        target: 'es2017', // default, or 'es20XX', 'esnext'
        jsxFactory: 'React.createElement',
        jsxFragment: 'React.Fragment',
        // Like @rollup/plugin-replace
        define: {
          __VERSION__: '"x.y.z"'
        },
        // Add extra loaders
        loaders: {
          // Add .json files support
          // require @rollup/plugin-commonjs
          '.json': 'json',
          // Enable JSX in .js files too
          '.js': 'jsx'
        }
      }),
    ],
    external: ['fs', 'path', 'electron', 'electron-is-dev'],
  }
}