webpack.common.js

const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const path = require('path');
const webpack = require('webpack');

module.exports = {
  entry: {
    '10sai': './src/index.tsx',
    _database: './src/_database.ts',
    _grid: './src/_grid.tsx',
  },
  output: {
    path: path.resolve(__dirname, 'public'),
    filename: '[name].js',
  },
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
      {
        test: /\.scss$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
            options: { publicPath: '../public/' },
          },
          {
            loader: 'css-loader',
            options: {
              url: false,
            },
          },
          'sass-loader',
        ],
      },
    ],
  },
  resolve: {
    modules: [
      path.resolve(__dirname, './src'),
      path.resolve(__dirname, './scss'),
      'node_modules',
    ],
    extensions: ['.ts', '.tsx', '.js', '.jsx'],
  },
  plugins: [
    new MiniCssExtractPlugin({ filename: '10sai.css' }),

    // No idea if I actually need this anymore.
    new webpack.DefinePlugin({
      'process.env.NODE_ENV': `"${process.env.NODE_ENV}"`,
    }),
  ],
  optimization: {
    splitChunks: {
      cacheGroups: {
        styles: {
          name: 'styles',
          test: /\.css$/,
          chunks: 'all',
          enforce: true,
        },
      },
    },
  },
};