webpack.common.js

const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const CleanWebpackPlugin = require('clean-webpack-plugin')
const config = require('./package.json').config

module.exports = {
  entry: {
    main: './src/index.ts',
  },
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'js/[name].[contenthash].js',
  },
  plugins: [
    new CleanWebpackPlugin(['dist']),
    new HtmlWebpackPlugin({
      title: config.name,
      template: 'index.html',
      meta: {
        viewport: 'width=device-width, initial-scale=1, shrink-to-fit=no',
      },
    }),
  ],
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        loader: 'ts-loader',
        exclude: /node_modules/,
        options: {
          configFile: '.tsconfig.json',
        },
      },
      {
        test: /\.(scss|sass|css)$/,
        use: ['style-loader', 'css-loader', 'postcss-loader', 'sass-loader'],
      },
      {
        test: /\.(png|svg|jpg|gif)$/,
        use: ['file-loader'],
      },
      {
        test: /\.(woff|woff2|eot|ttf|otf)$/,
        use: ['file-loader'],
      },
    ],
  },
  resolve: {
    extensions: ['.tsx', '.ts', '.js'],
  },
  optimization: {
    usedExports: true,
    runtimeChunk: 'single',
    splitChunks: {
      cacheGroups: {
        vendor: {
          test: /[\\/]node_modules[\\/]/,
          name: 'vendors',
          chunks: 'all',
        },
      },
    },
  },
}