'use strict'
const webpack = require('webpack')
const path = require('path')
const utils = require('./utils')
const config = require('../config')
const vueLoaderConfig = require('./vue-loader.conf')
//头部引入css打包插件
const ExtractTextPlugin = require("extract-text-webpack-plugin");
var projectRoot = path.resolve(__dirname, '../')

function resolve (dir) {
  return path.join(__dirname, '..', dir)
}

module.exports = {
  entry: {
    app: ['babel-polyfill','./src/main.js'],
  },
  plugins: [
    new webpack.ProvidePlugin({
      $: "jquery",
      jQuery:"jquery",
      "window.jQuery":"jquery"
    }),
  ],
  output: {
    path: config.build.assetsRoot,
    filename: '[name].js',
    publicPath: process.env.NODE_ENV === 'production'
      ? config.build.assetsPublicPath
      : config.dev.assetsPublicPath
  },
  resolve: {
    extensions: ['.js', '.vue', '.json'],
    alias: {
      'vue$': 'vue/dist/vue.esm.js',
      'alte':'admin-lte/dist',
      'alt-plugin':'admin-lte/plugins',
      '@': resolve('src')
    }
  },
  module: {
    rules: [
      {
        test: /\.vue$/,
        use:[{
          loader: 'vue-loader',
          options: vueLoaderConfig
        },{
          loader: 'iview-loader',
          options: {
            prefix: false
          }
        }]

      },
      {
        test: /\.js$/,
        loader: 'babel-loader',
        include: projectRoot,
        exclude: /node_modules/
      },
      //{
      //  test: /\.css$/,
      //  //请注意loader里的写法，有一些低版本的例子中是过时的写法
      //  loader: ExtractTextPlugin.extract({
      //    fallback: "style-loader",
      //    use: "css-loader"
      //  })
      //},
      {
        test: /\.(png|jpe?g|gif|svg)(\?.*)?$/,
        loader: 'url-loader',
        options: {
          limit: 10000,
          name: utils.assetsPath('img/[name].[hash:7].[ext]')
        }
      },
      {
        test: /\.(mp4|webm|ogg|mp3|wav|flac|aac)(\?.*)?$/,
        loader: 'url-loader',
        options: {
          limit: 10000,
          name: utils.assetsPath('media/[name].[hash:7].[ext]')
        }
      },
      {
        test: /\.(woff2?|eot|ttf|otf)(\?.*)?$/,
        loader: 'url-loader',
        options: {
          limit: 10000,
          name: utils.assetsPath('fonts/[name].[hash:7].[ext]')
        }
      }
    ]
  },
  externals: {
    /**
     * webpack 中的 externals 配置提供了不从 bundle 中引用依赖的方式。
     * 解决的是，所创建的 bundle 依赖于那些存在于用户环境(consumer environment)中的依赖。
     */
    // 'jquery': 'jQuery',
    //'vue': 'Vue',
    echarts: 'echarts',
  }
}