vue-cli3.0配置webpack【vue.config.js】

1.在根目录在创建一个vue.config.js

2.代码

module.exports = {
    // 基本路径
    baseUrl: './',
    // 输出文件目录
    outputDir: 'dist',
    // eslint-loader 是否在保存的时候检查
    lintOnSave: true,
    // use the full build with in-browser compiler?
    // https://vuejs.org/v2/guide/installation.html#Runtime-Compiler-vs-Runtime-only
    // compiler: false,
    // webpack配置
    // see https://github.com/vuejs/vue-cli/blob/dev/docs/webpack.md
    chainWebpack: () => {},
    configureWebpack: () => {},
    // vue-loader 配置项
    // https://vue-loader.vuejs.org/en/options.html
    // vueLoader: {},
    // 生产环境是否生成 sourceMap 文件
    productionSourceMap: true,
    // css相关配置
    css: {
     // 是否使用css分离插件 ExtractTextPlugin
     extract: true,
     // 开启 CSS source maps?
     sourceMap: false,
     // css预设器配置项
     loaderOptions: {},
     // 启用 CSS modules for all css / pre-processor files.
     modules: false
    },
    // use thread-loader for babel & TS in production build
    // enabled by default if the machine has more than 1 cores
    parallel: require('os').cpus().length > 1,
    // 是否启用dll
    // See https://github.com/vuejs/vue-cli/blob/dev/docs/cli-service.md#dll-mode
    // dll: false,
    // PWA 插件相关配置
    // see https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-pwa
    pwa: {},
    // webpack-dev-server 相关配置
    devServer: {
     open: process.platform === 'darwin',
     host: '0.0.0.0',
     port: 8080,
     https: false,
     hotOnly: false,
     proxy: null, // 设置代理
     before: app => {}
    },
    // 第三方插件配置
    pluginOptions: {
     // ...
    }
   }