webpack.config.js

const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const CleanWebpackPlugin = require('clean-webpack-plugin')
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer')
  .BundleAnalyzerPlugin
const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin')
const webpack = require('webpack')
let createMobxTransformer = require('./build/transformer/createMobxTransformer')

module.exports = {
  mode: 'development',
  entry: {
    app: './src/index.tsx'
  },
  devtool: 'cheap-module-eval-source-map',
  mode:"development",
  output: {
    filename: '[name].bundle.js',
    chunkFilename: '[name].chunk.js',
    path: path.resolve(__dirname, 'dist'),
    publicPath: '/',
    pathinfo: false
  },
  optimization: {
    runtimeChunk: 'single',
    splitChunks: {
      cacheGroups: {
        vendor: {
          test: /[\\/]node_modules[\\/]/,
          name: 'vendors',
          chunks: 'all'
        }
      }
    }
  },
  plugins: [
    new CleanWebpackPlugin(['dist']),
    new HtmlWebpackPlugin({
      title: 'Output Management',
      template: './index.html'
    }),
    // new BundleAnalyzerPlugin(),
    new webpack.HotModuleReplacementPlugin(),
    new webpack.DefinePlugin({
      'process.env.NODE_ENV': JSON.stringify('development')
    }),
    new webpack.HashedModuleIdsPlugin(),
    new ForkTsCheckerWebpackPlugin()
  ],
  resolve: {
    extensions: ['.tsx', '.ts', '.js'],
  },
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: [
          {
            loader: 'ts-loader',
            options: {
              transpileOnly: true,
              experimentalWatchApi: true,
              getCustomTransformers: () => {
                return ({
                  before: [createMobxTransformer()]
                })
              }
            }
          }
        ],
        exclude: /node_modules/
      },
      { test: /\.js|jsx$/, use: 'babel-loader', exclude: /node_modules/ },
      {
        test: /\.(sa|sc|c)ss$/,
        use: [
          "style-loader",
          "css-loader",
          {
            loader:"postcss-loader",
            options: {
              plugins: [require('autoprefixer')('last 100 versions')]
            }
          },
          "sass-loader"
        ],
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader']
      },
      {
        test: /\.(png|svg|jpg|gif)$/,
        use: ['file-loader']
      },
      {
        test: /\.(woff|woff2|eot|ttf|otf)$/,
        use: ['file-loader']
      }
    ]
  }
}