webpack.config.js

const path = require('path');
const { BannerPlugin } = require('webpack');
const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer');
const pack = require('./package.json');
const { isDevelopment, isProduction, test } = require('./src/utils/env');

const mode = isDevelopment ? 'development' : 'production';
const packName = 'webpack-ext-reloader';

module.exports = (env = { analyze: false }) => ({
  mode,
  target: 'node',
  entry: test({ tests: './specs/index.ts' }) || {
    [packName]: './src/index.ts',
    [`${packName}-cli`]: './client/index.ts',
  },
  devtool: 'inline-source-map',
  output: {
    publicPath: '.',
    path: path.resolve(__dirname, './dist'),
    filename: '[name].js',
    libraryTarget: 'umd',
  },
  plugins: [
    env.analyze && isProduction(new BundleAnalyzerPlugin({ sourceMap: true })),
    new BannerPlugin({
      banner: `/// <reference path="../typings/${packName}.d.ts" />`,
      raw: true,
      entryOnly: true,
      include: 'webpack-ext-reloader',
    }),
    new BannerPlugin({
      banner: '#!/usr/bin/env node',
      raw: true,
      entryOnly: true,
      include: `${packName}-cli`,
    }),
  ].filter((plugin) => !!plugin),
  externals: [...Object.keys(pack.dependencies), 'webpack', 'webpack-ext-reloader'],
  resolve: {
    modules: [path.resolve(__dirname, 'src'), 'node_modules'],
    mainFiles: ['index'],
    extensions: ['.ts', '.tsx', '.js'],
  },
  optimization: {
    minimize: false,
    nodeEnv: false,
  },
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        exclude: /node_modules/,
        loader: 'babel-loader',
      },
      {
        test: /\.tsx?$/,
        exclude: /node_modules/,
        use: ['babel-loader', 'ts-loader'],
      },
      {
        test: /\.json$/,
        exclude: /node_modules/,
        loader: 'json-loader',
      },
      {
        test: /\.txt$/,
        exclude: /node_modules/,
        loader: 'raw-loader',
      },
    ],
  },
});