webpack.config.dev.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');

const config = {
  context: path.resolve(__dirname, '.'),

  entry: {
    main: './src/index.tsx',
  },

  output: {
    path: path.resolve(__dirname, 'build'),
    filename: '[name].[contenthash].bundle.js',
    chunkFilename: '[id].chunk.js',
    publicPath: '/',
  },

  devServer: {
    contentBase: path.resolve(__dirname, 'build'),
    index: 'index.html',
    port: 8080,
    historyApiFallback: true,
  },

  resolve: {
    modules: [
      path.resolve(__dirname, 'src'),
      path.resolve(__dirname, 'node_modules'),
    ],
    extensions: ['.ts', '.tsx', '.js', '.jsx', '.json'],
  },

  module: {
    rules: [
      {
        test: /\.(ts|js)x?$/,
        include: path.resolve(__dirname, 'src'),
        exclude: /node_modules/,
        loader: 'babel-loader',
      },
      {
        test: /\.html$/,
        use: [
          {
            loader: 'html-loader',
            options: {
              minimize: false,
            },
          },
        ],
      },
    ],
  },

  plugins: [
    new HtmlWebpackPlugin({
      template: './public/index.html',
      filename: 'index.html',
      inject: 'body',
    }),
  ],
};

module.exports = config;