备份vue-cli 4config配置

const path = require('path')

const base = {
    isProd: process.env.NODE_ENV === 'production',
    // ！！重要！！发布后的项目地址，如果在根目录，用/就可以
    href: '/lan-ling',
    // 项目页面title
    name: '兰陵王 - 后台管理系统',
    // 目标接口域名
    // target: 'http://p-test.xxx.com',
    target: 'http://p.uat.xxx.cc',
}
module.exports = {
    devServer: {
        host: process.env.HOST,
        port: process.env.PORT && Number(process.env.PORT),
        open: false,
        overlay: {
            warnings: false,
            errors: true
        },
        proxy: {
            // 项目接口
            '/api': {
                target: base.target,
                changeOrigin: true, //是否跨域
                pathRewrite: {
                    '^/api': '/api' //重写接口
                },
                cookieDomainRewrite: ''
            },
            // 测试环境登录接口用，发布后用不到
            '/sso': {
                target: base.target,
                changeOrigin: true, //是否跨域
                pathRewrite: {
                    '^/sso': '/sso' //重写接口
                },
                cookieDomainRewrite: ''
            }
        }
    },
    chainWebpack(config) {
        config.set('name', base.name)
        config.plugins.delete('prefetch')
        config.when(!base.isProd, config => config.devtool('cheap-source-map'))
        config.when(base.isProd, config => {
            config.optimization.splitChunks({
                chunks: 'all'
            })
        })
    },
    configureWebpack: {
        externals: {
            'vue': 'Vue',
            'Vuex': 'Vuex',
            'vue-router': 'VueRouter',
            'Axios': 'axios'
        },
        resolve: {
            alias: {
                '@$': path.resolve('src'),
                '@assets': path.resolve('src/assets'),
                '@img': path.resolve('src/assets/img'),
                '@views': path.resolve('src/views'),
                '@components': path.resolve('src/components'),
                '@api': path.resolve('src/api'),
                '@configs': path.resolve('src/configs'),
                '@utils': path.resolve('src/utils')
            }
        }
    },
    publicPath: base.isProd ? base.href : '/',
    lintOnSave: !base.isProd,
    productionSourceMap: false
}