webpack4.config.ts

import * as webpack from 'webpack';
import * as path from 'path';

module.exports = {
  mode: 'development',
  devtool: 'inline-source-map',
  resolve: {
    extensions: ['.ts', '.js'],
    modules: [path.join(__dirname, '../../src'), 'node_modules'],
  },
  module: {
    rules: [
      {
        enforce: 'pre',
        test: /\.js$/,
        loader: 'source-map-loader',
      },
      {
        test: /\.ts$/,
        // loaders: ['ts-loader', 'angular2-template-loader'],
        use: [
          {
            loader: 'ts-loader',
            options: {
              transpileOnly: true,
            },
          },
          {
            loader: 'angular2-template-loader',
          },
        ],
        exclude: [/node_modules/, /test.ts/, /polyfills.ts/],
      },
      {
        test: /\.(js|ts)$/,
        loader: 'istanbul-instrumenter-loader',
        options: { esModules: true },
        enforce: 'post',
        include: path.join(__dirname, '../..', 'src'),
        exclude: [
          /\.(e2e|spec)\.ts$/,
          /node_modules/,
          /(ngfactory|ngstyle)\.js/,
        ],
      },
      {
        // Mark files inside `@angular/core` as using SystemJS style dynamic imports.
        // Removing this will cause deprecation warnings to appear.
        test: /[\/\\]@angular[\/\\]core[\/\\].+\.js$/,
        parser: { system: true },
      },
      {
        test: /\.css$/,
        loader: 'raw-loader',
      },
      {
        test: /(\.scss|\.sass)$/,
        use: ['raw-loader', 'sass-loader'],
      },
      {
        test: /\.html$/,
        loader: 'raw-loader',
        exclude: [path.join(__dirname, '../../src/index.html')],
      },
      {
        test: /\.(jpe?g|png|gif)$/i,
        loader: 'file-loader?name=assets/images/[name].[ext]',
      },
      {
        test: /\.(mp4|webm|ogg)$/i,
        loader: 'file-loader?name=assets/videos/[name].[ext]',
      },
      {
        test: /\.svg(\?v=\d+\.\d+\.\d+)?$/,
        loader:
          'file-loader?limit=10000&mimetype=image/svg+xml&name=assets/svgs/[name].[ext]',
      },
      {
        test: /\.eot(\?v=\d+.\d+.\d+)?$/,
        loader:
          'file-loader?prefix=font/&limit=5000&name=assets/fonts/[name].[ext]',
      },
      {
        test: /\.(woff|woff2)$/,
        loader:
          'file-loader?prefix=font/&limit=5000&name=assets/fonts/[name].[ext]',
      },
      {
        test: /\.ttf(\?v=\d+\.\d+\.\d+)?$/,
        loader:
          'file-loader?limit=10000&mimetype=application/octet-stream&name=assets/fonts/[name].[ext]',
      },
    ],
  },
  plugins: [
    new webpack.DefinePlugin({
      'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV || 'test'),
    }),
    new webpack.ContextReplacementPlugin(
      /\@angular(\\|\/)core(\\|\/)f?esm5/,
      path.join(__dirname, './src'),
    ),
  ],
  performance: {
    hints: false,
  },
  node: {
    global: true,
    crypto: 'empty',
    process: false,
    module: false,
    clearImmediate: false,
    setImmediate: false,
    fs: 'empty',
  },
};