Function createCompat

tools/builder/rollup.ts:449–549

(name: string)

  })
}
async function createCompat(name: string) {
  const plugins = getPlugins(`${name}.compat`)

  const {getAliases} = require('../babel.config')
  const terserConfig = minifyConfig({
    beautify: !!process.env.PRETTIFY,
  })
  const pluginList = [
    plugins.resolve,
    plugins.json,
    babel({
      babelHelpers: 'bundled',
      extensions,
      skipPreflightCheck: true,
      exclude: /node_modules.*/,
      babelrc: false,
      presets: [
        [
          '@babel/preset-typescript',
          {
            isTSX: true,
            allExtensions: true,
          },
        ],
        ['@babel/preset-react', {useBuiltIns: false}],
        [
          '@babel/preset-env',
          {
            loose: true,
            useBuiltIns: 'entry',
            corejs: 3,
            modules: false,
            shippedProposals: true,
            targets: compatTarget,
          },
        ],
      ],
      plugins: [
        '@babel/plugin-transform-export-namespace-from',
        '@babel/plugin-transform-optional-chaining',
        '@babel/plugin-transform-nullish-coalescing-operator',
        ['@babel/plugin-transform-class-properties', {loose: true}],
        [
          'babel-plugin-module-resolver',
          {
            alias: getAliases({
              isBuild: true,
              isTest: false,
              isCompat: true,
              isEsm: false,
            }),
            loglevel: 'silent',
          },
        ],
      ],
    }),
    plugins.commonjs,
    terser({