webpack.config.js

const path = require('path');
const { merge } = require('webpack-merge');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const CopyPlugin = require('copy-webpack-plugin');
const EslintPlugin = require('eslint-webpack-plugin');
const Dotenv = require('dotenv-webpack');

const commonConfig = {
  entry: path.resolve(__dirname, './src/index.ts'),
  module: {
    rules: [
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /(?!.*\.module)^.*s[ac]ss$/i,
        use: ['style-loader', 'css-loader', 'sass-loader'],
      },
      {
        test: /\.module.s[ac]ss$/,
        use: [
          { loader: 'style-loader' },
          {
            loader: '@teamsupercell/typings-for-css-modules-loader',
          },
          {
            loader: 'css-loader',
            options: {
              modules: {
                localIdentName: '[name]__[local]--[hash:base64:5]',
              },
            },
          },
          {
            loader: 'sass-loader',
          },
        ],
      },
      {
        test: /\.(png|svg|jpg|jpeg|gif|webp)$/i,
        type: 'asset/resource',
      },
      {
        test: /\.(mp3|ogg)$/,
        loader: 'file-loader',
      },
      {
        test: /\.ts$/i,
        use: 'ts-loader',
      },
      {
        test: /\.json$/,
        use: ['json-loader'],
        type: 'javascript/auto',
      },
      {
        test: /\.mp4$/,
        use: [
          {
            loader: 'file-loader',
            options: {
              name: '[name].[ext]',
              outputPath: 'video',
            },
          },
        ],
      },
    ],
  },
  resolve: {
    extensions: ['.ts', '.js'],
  },
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'index_bundle.js',
    publicPath: '/',
  },
  devServer: {
    open: false,
    host: 'localhost',
    historyApiFallback: true,
  },
  plugins: [
    new CleanWebpackPlugin(),
    new HtmlWebpackPlugin({
      template: path.resolve(__dirname, 'src/index.html'),
      filename: 'index.html',
      favicon: path.join(__dirname, 'src/assets/imgs', 'favicon.png'),
    }),
    new EslintPlugin({ extensions: ['ts'] }),
    new Dotenv(),
    new CopyPlugin({
      patterns: [
        {
          from: path.join(__dirname, '/src/_redirects'),
          to: '_redirects',
          toType: 'file',
        },
      ],
    }),
  ],
};

module.exports = ({ mode }) => {
  const isProductionMode = mode === 'prod';
  const envConfig = isProductionMode ? require('./webpack.prod.config') : require('./webpack.dev.config');

  return merge(commonConfig, envConfig);
};