const path = require('path')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const {
  VueLoaderPlugin
} = require('vue-loader')

module.exports = {
  mode: 'production',
  stats: 'verbose',
  entry: {
    'zhicheng-components': './packages/index.js'
  },
  output: {
    path: path.resolve(__dirname, '../dist'),
    filename: '[name].umd.js',
    library: 'ZhichengUI',
    libraryTarget: 'umd',
    umdNamedDefine: true,
    globalObject: `(typeof self !== 'undefined' ? self : this)`
  },
  resolve: {
    alias: {
      '@': path.resolve(__dirname, './packages') // 确保别名指向正确
    }
  },
  module: {
    rules: [
      {
        test: /\.vue$/,
        loader: 'vue-loader',
        options: {
          compilerOptions: {
            preserveWhitespace: false
          }
        }
      },
      {
        test: /\.css$/,
        use: [MiniCssExtractPlugin.loader, 'css-loader'] // 替换style-loader
      },
      {
        test: /\.scss$/,
        use: [MiniCssExtractPlugin.loader, 'css-loader',  {
          loader: 'sass-loader',
          options: {
            implementation: require('sass') // 显式指定 sass
          }
        }]
      },
      {
        test: /\.(woff2?|eot|ttf|otf)(\?.*)?$/i,
        use: [{
          loader: 'url-loader',
          options: {
            limit: 4096,
            name: 'fonts/[name].[hash:8].[ext]',
            esModule: false,
            publicPath: '../', // 关键：修正 CSS 中的引用路径
          }
        }]
      },
      {
        test: /\.(png|jpe?g|gif|svg)(\?.*)?$/,
        use: [{
          loader: 'url-loader',
          options: {
            limit: 4096,
            name: 'img/[name].[hash:8].[ext]',
            esModule: false
          }
        }]
      }
    ]
  },
  plugins: [
    new VueLoaderPlugin(),
    new MiniCssExtractPlugin({
      filename: 'css/[name].css' // 输出到dist/css/
    })
  ],
  optimization: {
    splitChunks: false
  },
  externals: {
    vue: {
      root: 'Vue',
      commonjs: 'vue',
      commonjs2: 'vue',
      amd: 'vue'
    }
  }
}