var path = require('path')
var webpack = require('webpack')
const { VueLoaderPlugin } = require('vue-loader')

module.exports = {
  module: {
    rules: [
      {
        test: /\.css$/,
        use: [
          'css-loader'
        ],
      },
      {
        test: /\.vue$/,
        loader: 'vue-loader',
        options: {
          loaders: {
          }
          // other vue-loader options go here
        }
      },
      {
        // 使用babel-loader处理js文件，会将es5以上的语法进行转义(无法转义es6 API)
        test: /\.js$/,    // 处理后缀名为js的文件
        loader: 'babel-loader',     // 使用babel-loader进行处理
        exclude: /node_modules/,    //排除node_modules下的文件
        include: [path.resolve(__dirname,'packages')],
        // options: {
        //   presets: ["es2015"]
        // }
      },
      {
        test: /\.(png|jpg|gif|svg)$/,
        loader: 'file-loader',
        options: {
          name: '[name].[ext]?[hash]'
        }
      }
    ]
  },
  resolve: {
    // alias: {
    //   'vue$': 'vue/dist/vue.esm.js'
    // },
    extensions: ['*', '.js', '.vue', '.json']
  },
  performance: {
    hints: false
  },
  externals: {
    jQuery: 'window.$',
    jquery: 'window.$',
    bootstrap: 'bootstrap',
    moment: 'moment',
  },
  plugins: [
    new VueLoaderPlugin()
  ],
  devtool: 'eval-source-map'
}