webpack.common.js

// eslint-disable-next-line @typescript-eslint/no-var-requires
const HtmlWebpackPlugin = require('html-webpack-plugin')
// eslint-disable-next-line @typescript-eslint/no-var-requires
const path = require('path')

// eslint-disable-next-line @typescript-eslint/no-var-requires
const MiniCssExtractPlugin = require('mini-css-extract-plugin')

// eslint-disable-next-line @typescript-eslint/no-var-requires
const CopyPlugin = require('copy-webpack-plugin')

const isDevelopment = process.env.NODE_ENV === 'development'

module.exports = {
  entry: './index.tsx',
  output: {
    path: path.resolve(__dirname, './dist'),
    filename: 'index_bundle.js',
    publicPath: '/',
  },
  target: 'web',
  resolve: {
    extensions: ['.js', '.jsx', '.json', '.ts', '.tsx', '.scss', '.css'],
  },
  module: {
    rules: [
      {
        test: /\.css$/i,
        use: ['style-loader', 'css-loader', 'sass-loader'],
      },
      {
        test: /\.module\.s(a|c)ss$/,
        use: [
          isDevelopment ? 'style-loader' : MiniCssExtractPlugin.loader,
          {
            loader: 'css-loader',
            options: {
              modules: true,
              sourceMap: isDevelopment,
            },
          },
          {
            loader: 'sass-loader',
            options: {
              sourceMap: isDevelopment,
            },
          },
        ],
      },
      {
        test: /\.s(a|c)ss$/,
        exclude: /\.module.(s(a|c)ss)$/,
        use: [
          isDevelopment ? 'style-loader' : MiniCssExtractPlugin.loader,
          'css-loader',
          {
            loader: 'sass-loader',
            options: {
              sourceMap: isDevelopment,
            },
          },
        ],
      },
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: 'babel-loader',
      },
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
      {
        test: /\.(png|jpe?g|gif)$/i,
        use: [
          {
            loader: 'file-loader',
          },
        ],
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: path.join(__dirname, 'public', 'index.html'),
      favicon: './src/favicon/favicon.ico',
    }),
    new MiniCssExtractPlugin({
      filename: isDevelopment ? '[name].css' : '[name].[hash].css',
      chunkFilename: isDevelopment ? '[id].css' : '[id].[hash].css',
    }),
    new CopyPlugin({
      patterns: [
        { from: './src/img', to: 'images' },
        { from: './src/favicon', to: 'favicon' },
        { from: './src/public', to: '' },
      ],
    }),
  ],
}