/*eslint-disable*/
const { join } = require('path');
const path = require('path');
const { readdirSync, statSync } = require('fs');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const CopyPlugin = require('copy-webpack-plugin');
const TerserPlugin = require("terser-webpack-plugin");
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
const isDev = process.env.RUNNING_ENV === 'dev';
const isProd = process.env.RUNNING_ENV === 'prod';

const importEntry = () => {
  const entries = {};
  const rootDir = join(process.cwd(), '/src/components');
  readdirSync(rootDir)
    .filter(i => !i.startsWith('_'))
    .forEach(file => {
      if (statSync(join(rootDir, file)).isDirectory())
        entries[file] = join(rootDir, `${file}/index.ts`);
    });
  return entries;
};

module.exports = {
  entry: { ...importEntry(), 'index': join(__dirname, 'src/index.ts') },
  output: {
    path: path.resolve(__dirname, 'dist/'),
    publicPath: '',
    filename: '[name].js',
    clean: true,
    libraryTarget: 'umd' // 添加 export default 
  },
  mode: 'production',
  optimization: {
    minimize: true,
    minimizer: [new TerserPlugin({
      terserOptions: {
        compress: true,
      },
    })],
  },
  module: {
    rules: [
      {
        test: /\.ts?$/,
        use: 'ts-loader',
        exclude: /node_modules/,
      },
      {
        test: /\.css$/,
        use: [MiniCssExtractPlugin.loader, 'css-loader'],
      },
      {
        test: /\.less$/,
        use: [MiniCssExtractPlugin.loader, 'css-loader', 'less-loader'],
      },
      {
        test: /\.(scss)$/,
        use: [
          MiniCssExtractPlugin.loader,
          {
            loader: 'css-loader'
          },
          {
            loader: 'postcss-loader',
            options: {
              postcssOptions: {
                plugins: () => [
                  require('autoprefixer')
                ]
              }
            }
          },
          {
            loader: 'sass-loader'
          }
        ]
      },
      {
        test: /\.(png|jpg|gif)$/i,
        use: [
          {
            loader: 'url-loader',
            options: {
              limit: 8192,
            },
          },
        ],
      },
    ],
  },
  plugins: [
    new MiniCssExtractPlugin({
      filename: '[name].css'
    }),
  ].filter(Boolean),
  resolve: {
    extensions: ['.ts', '.js'],
  },
};