webpack.config.js

const { resolve } = require('path');
const apiMocker = require('mocker-api')
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ProgressBarPlugin = require('progress-bar-webpack-plugin');

module.exports = {
  mode: 'development',

  entry: './src/index.ts',
  output: {
    filename: 'bundle.js',
    path: resolve(__dirname, 'dist'),
  },

  resolve: {
    extensions: ['.ts', '.tsx', '.js', '.jsx'],
  },

  devtool: 'source-map',
  devServer: {
    before(app) {
      apiMocker(app, resolve('./mock/mocker.js'));
    },
  },

  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: ['ts-loader'],
      },
      {
        test: /\.(jpe?g|png|gif|svg)$/i,
        use: [
          'file-loader?hash=sha512&digest=hex&name=images/[hash].[ext]',
          'image-webpack-loader?bypassOnDebug&optipng.optimizationLevel=7&gifsicle.interlaced=false',
        ],
      },
      {
        test: /\.css$/i,
        use: ['style-loader', 'css-loader'],
      },
    ],
  },
  resolve: {
    extensions: ['.ts', '.tsx', '.js', '.jsx'],
  },
  plugins: [
    new ProgressBarPlugin(),
    new HtmlWebpackPlugin({
      template: `${__dirname}/src/index.html`,
      filename: 'index.html',
      inject: 'body',
    }),
  ],
};