webpack.config.js

const webpack = require('webpack')
const {resolve} = require('path')

module.exports = {
  entry: {
    'html-ast-transform': resolve(__dirname, 'src', 'index.ts'),
    'html-ast-transform.min': resolve(__dirname, 'src', 'index.ts')
  },
  output: {
    path: resolve(__dirname, 'dist'),
    filename: '[name].js',
    library: 'HtmlAstTransform',
    libraryTarget: 'umd',
    umdNamedDefine: true,
    globalObject: 'typeof self !== \'undefined\' ? self : this',
  },
  module: {
    rules: [{
      test: /\.ts$/,
      include: resolve(__dirname, 'src'),
      use: [
        {
          loader: 'babel-loader',
          query: {
            presets: [['@babel/preset-env']]
          }
        },
        'ts-loader'
      ]
    }]
  },
  resolve: {
    extensions: ['.js', '.ts']
  },
  externals: {
    parse5: {
      commonjs: 'parse5',
      commonjs2: 'parse5',
      amd: 'parse5',
      root: 'parse5'
    }
  },
  devtool: 'source-map',
  plugins: [
  ],
  optimization: {
    minimize: true,
  }
}