webpack.common.js

const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const { CleanWebpackPlugin } = require('clean-webpack-plugin')
const AntdDayjsWebpackPlugin = require('antd-dayjs-webpack-plugin')
const createStyledComponentsTransformer = require('typescript-plugin-styled-components')
  .default

const styledComponentsTransformer = createStyledComponentsTransformer()

module.exports = {
  resolve: {
    extensions: ['.ts', '.tsx', '.js']
  },
  module: {
    rules: [
      {
        test: /\.ts(x?)$/,
        exclude: /node_modules/,
        use: [
          {
            loader: 'ts-loader',
            options: {
              getCustomTransformers: () => ({
                before: [styledComponentsTransformer]
              })
            }
          }
        ]
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader']
      },
      {
        test: /\.svg$/,
        use: 'file-loader'
      }
    ]
  },
  plugins: [
    new CleanWebpackPlugin(),
    new HtmlWebpackPlugin({
      template: './src/index.html',
      filename: './index.html',
      title: 'Personal Finance App'
    }),
    new AntdDayjsWebpackPlugin()
  ],
  output: {
    filename: '[name].[contenthash].js',
    path: path.resolve(__dirname, 'dist')
  },
  optimization: {
    runtimeChunk: 'single',
    moduleIds: 'deterministic',
    splitChunks: {
      cacheGroups: {
        vendor: {
          test: /[\\/]node_modules[\\/]/,
          name: 'vendors',
          chunks: 'all'
        }
      }
    }
  }
}