webpack.common.js

const path = require('path');
// eslint-disable-next-line import/no-extraneous-dependencies
const CopyWebpackPlugin = require('copy-webpack-plugin');

module.exports = {
  entry: {
    background: './src/background.ts',
    index: './src/index.tsx',
    yt: './src/yt.tsx',
    nico: './src/nico.tsx',
  },
  output: {
    filename: '[name].js',
    path: path.resolve(__dirname, 'dist'),
    clean: {
      keep: /^\.gitignore$/,
    },
  },
  resolve: {
    extensions: ['.js', '.ts', '.tsx'],
  },
  module: {
    rules: [
      {
        test: /\.(ts|tsx)$/,
        use: ['ts-loader'],
        exclude: /node_modules/,
      },
      {
        test: /\.(png|svg|jpg|jpeg|gif)$/i,
        type: 'asset/resource',
      },
    ],
  },
  plugins: [
    new CopyWebpackPlugin({
      patterns: [
        { from: 'public' },
      ],
    }),
  ],
};