react-chrome-extension-cli/config/webpack.common.js

The CLI for your next Chrome Extension using React

'use strict';

const SizePlugin = require('size-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');

const PATHS = require('./paths');

// To re-use webpack configuration across templates,
// CLI maintains a common webpack configuration file - `webpack.common.js`.
// Whenever user creates an extension, CLI adds `webpack.common.js` file
// in template's `config` folder
const common = {
  output: {
    // the build folder to output bundles and assets in.
    path: PATHS.build,
    // the filename template for entry chunks
    filename: '[name].js',
  },
  devtool: 'source-map',
  stats: {
    all: false,
    errors: true,
    builtAt: true,
  },
  module: {
    rules: [
      // Help webpack in understanding CSS files imported in .js files
      {
        test: /\.css$/,
        use: [MiniCssExtractPlugin.loader, 'css-loader'],
      },
      // Check for images imported in .js files and
      {
        test: /\.(png|jpe?g|gif)$/i,
        use: [
          {
            loader: 'file-loader',
            options: {
              outputPath: 'images',
              name: '[name].[ext]',
            },
          },
        ],
      },
      {
        test: /\.js?$/,
        loader: 'babel-loader',
        exclude: /node_modules/,
        query: {
          cacheDirectory: true,
          presets: ['@babel/preset-react', "@babel/env"]
        }
      }
    ],
  },
  plugins: [
    // Print file sizes
    new SizePlugin(),
    // Copy static assets from `public` folder to `build` folder
    new CopyWebpackPlugin([
      {
        from: '**/*',
        context: 'public',
      },
    ]),
    // Extract CSS into separate files
    new MiniCssExtractPlugin({
      filename: '[name].css',
    }),
  ],
};

module.exports = common;