text: const path = require('path');
  const webpack = require('webpack');
  
  module.exports = {
    mode: 'production',
    // mode: 'development',
    // 解决async/await被babel转成generator后的兼容问题
    entry: [
      './src/index.ts'
    ],
    devtool: false,
    output: {
      path: path.resolve(__dirname, 'dist'),
      filename: 'index.js',
      libraryTarget: 'umd',
      umdNamedDefine: true,
      globalObject: 'typeof window !== "undefined"?window:this'
    },
    resolve: {
      extensions: ['.ts', '.js']
    },
    module: {
      rules: [
        {
          test: /\.ts?$/,
          exclude: /node_modules/,
          use: [{
            loader: 'babel-loader',
            options: {
              // sourceType: 'unambiguous',
              presets: ['@babel/preset-env']
            }
          }, {
            loader: 'ts-loader',
            options: {
              configFile: path.resolve(__dirname, './tsconfig.json')
            }
          }]
        }
      ]
    },
    plugins: [
      new webpack.DefinePlugin({
        'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV),
        'process.env.END_POINT': JSON.stringify(process.env.END_POINT)
      })
    ]
  };