vue

描述：webapck基本配置文件. 为了给开发文件和打包文件(webpack.dev.conf.js|| webpack.prod.conf.js) 提供方便.

'use strict'
// 路径
const path = require('path')
// build/utils.js
const utils = require('./utils')
// config/index.js
const config = require('../config')
// build/vue-loader.conf.js
const vueLoaderConfig = require('./vue-loader.conf')

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


module.exports = {
  context: path.resolve(__dirname, '../'),
  // 入口
  entry: {
    app: './src/main.js'
  },
  // 出口
  output: {
    path: config.build.assetsRoot,
    filename: '[name].js',
    publicPath: process.env.NODE_ENV === 'production'
      ? config.build.assetsPublicPath
      : config.dev.assetsPublicPath
  },
  // 详情可以看看这篇文章：http://www.php.cn/js-tutorial-385863.html
  resolve: {
    extensions: ['.js', '.vue', '.json'],
    alias: {
      'vue$': 'vue/dist/vue.esm.js',
      '@': resolve('src'),
    }
  },
  // 模块
  module: {
    rules: [
      {
        test: /.vue$/,
        loader: 'vue-loader',
        options: vueLoaderConfig
      },
      {
        test: /.js$/,
        loader: 'babel-loader',
        include: [resolve('src'), resolve('test'), resolve('node_modules/webpack-dev-server/client')]
      },
      {
        test: /.(png|jpe?g|gif|svg)(?.*)?$/,
        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]')
        }
      }
    ]
  },
  node: {
    //阻止webpack注入无用的setImmediate polyfill，因为Vue
    // source包含它（尽管只有它是原生的才使用它）。
    setImmediate: false,
    //阻止webpack向模块本机模块注入模拟
    //对客户没有意义
    dgram: 'empty',
    fs: 'empty',
    net: 'empty',
    tls: 'empty',
    child_process: 'empty'
  }
}