const TerserPlugin = require('terser-webpack-plugin')
// 打包配置
const path = require('path');
const {CleanWebpackPlugin} = require('clean-webpack-plugin');
module.exports = {
  mode: 'production',
  devtool: 'source-map',
  entry: './src/index.ts',
  output: {
    filename: 'utils.js',
    sourceMapFilename: 'utils',
    path: path.resolve(__dirname, 'dist/umd'),
    library: {
      root: 'psd',
      amd: 'psd',
      commonjs: 'psd',
    },
    libraryTarget: "umd",
  },
  optimization: {
    minimize: true,
    minimizer: [
      new TerserPlugin({
        extractComments: true,
        terserOptions: {
          format: {
            comments: /^\**!/i,
          }
        }
      })
    ]
  },
  module: {
    rules: [
      {
        test: /\.ts$/,
        use: 'ts-loader',
        include: /src/,
      },
    ]
  },
  resolve: {
    extensions: ['.ts'],
  },
  plugins: [
    new CleanWebpackPlugin(),
  ]
}