webpack3整理（第三节/满三节）

‘use strict‘const path = require(‘path‘)const utils = require(‘./utils‘)const config = require(‘../config‘) ?//想要使用一个插件，你只需要 require() 它，然后把它添加到 plugins 数组中const vueLoaderConfig = require(‘./vue-loader.conf‘)function resolve (dir) { ?return path.join(__dirname, ‘..‘, dir)}const createLintingRule = () => ({ ?test: /\.(js|vue)$/, ?loader: ‘eslint-loader‘, ?enforce: ‘pre‘, ?//// 标识应用这些规则，即使规则覆盖（高级选项） ?include: [resolve(‘src‘), resolve(‘test‘)], ?options: { ???formatter: require(‘eslint-friendly-formatter‘), ???emitWarning: !config.dev.showEslintErrorsInOverlay ?}})const webapckConfigs = { ?//mode: "production", ???// "production" | "development" | "none"环境切换 ?context: path.resolve(__dirname, ‘../‘), ?//// webpack 的主目录 ?entry: { //entry属性来作为构建其内部依赖图的开始来指定一个入口起点（或多个入口起点）。默认值为 ./src ???app: ‘./src/main.js‘ ?}, ?output: {//output属性告诉 webpack 在哪里输出它所创建的 bundles(包)，以及如何命名这些文件，默认值为 ./dist ???path: config.build.assetsRoot, ?//目标输出目录 path 的绝对路径其实就是dist文件夹下面。 ???filename: ‘[name].js‘, ?//ilename 用于输出文件的文件名。 ???publicPath: process.env.NODE_ENV === ‘production‘ ?????? config.build.assetsPublicPath ?????: config.dev.assetsPublicPath ?}, ?resolve: { ???extensions: [‘.js‘, ‘.vue‘, ‘.json‘], //此选项告诉解析器在解析中能够接受哪些扩展名 ???alias: { ?//模块别名列表,模块别名相对于当前上下文导入 ?????‘vue$‘: ‘vue/dist/vue.esm.js‘, ?????‘@‘: resolve(‘src‘), ???} ?}, ?// plugins: [ ???// new webpack.ProvidePlugin({ ???// ??$: ‘webpack-zepto‘//引入zepto ???// }) ?// ??new webpack.optimize.UglifyJsPlugin(), ?// ??new HtmlWebpackPlugin({template: ‘./src/index.html‘}) ?// ], ?module: { ???rules: [ ?????...(config.dev.useEslint ? [createLintingRule()] : []), ?????{ ???????test: /\.vue$/, //test属性用于标识出应该被对应的 loader 进行转换的某个或某些文件,use 属性，表示进行转换时，应该使用哪个 loader ???????loader: ‘vue-loader‘, ???????options: vueLoaderConfig ????????// test 和 include 具有相同的作用，都是必须匹配选项 ????????// exclude 是必不匹配选项（优先于 test 和 include） ????????//尽量避免 exclude，更倾向于使用 include,在 include 和 exclude 中使用绝对路径数组 ?????}, ?????{ ???????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: { ???// prevent webpack from injecting useless setImmediate polyfill because Vue ???// source contains it (although only uses it if it‘s native). ???setImmediate: false, ???// prevent webpack from injecting mocks to Node native modules ???// that does not make sense for the client ???dgram: ‘empty‘, ???fs: ‘empty‘, ???net: ‘empty‘, ???tls: ‘empty‘, ???child_process: ‘empty‘ ?}}module.exports = webapckConfigs; //导出配置