vue.config.js
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'use strict'
const path = require('path')
const defaultSettings = require('./src/config/index.js')
function resolve(dir) {
return path.join(__dirname, dir)
}
const name = defaultSettings.title || 'vue mobile template' // page title
const port = 9018 // dev port
const externals = {
vue: 'Vue',
'vue-router': 'VueRouter',
vuex: 'Vuex',
vant: 'vant',
axios: 'axios'
}
// cdn
const cdn = {
// 开发环境
dev: {
css: [],
js: ['https://cdnjs.cloudflare.com/ajax/libs/babel-polyfill/7.4.4/polyfill.js']
},
// 生产环境
build: {
css: ['https://cdn.jsdelivr.net/npm/vant@beta/lib/index.css'],
js: [
'https://cdnjs.cloudflare.com/ajax/libs/babel-polyfill/7.4.4/polyfill.js',
'https://cdnjs.cloudflare.com/ajax/libs/vue/2.6.10/vue.min.js',
'https://cdnjs.cloudflare.com/ajax/libs/vue-router/3.0.6/vue-router.min.js',
'https://cdnjs.cloudflare.com/ajax/libs/axios/0.18.0/axios.min.js',
'https://cdnjs.cloudflare.com/ajax/libs/vuex/3.1.1/vuex.min.js',
'https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.9-1/crypto-js.min.js',
'https://cdn.jsdelivr.net/npm/vant@beta/lib/vant.min.js'
]
}
}
module.exports = {
publicPath: process.env.NODE_ENV === 'development' ? '/' : '/app/', // 需要区分生产环境和开发环境,不然build会报错
outputDir: 'dist',
assetsDir: 'static',
lintOnSave: process.env.NODE_ENV === 'development',
productionSourceMap: false,
devServer: {
port: port,
open: false,
overlay: {
warnings: false,
errors: true
}
},
configureWebpack: config => {
// 为生产环境修改配置...
if (process.env.NODE_ENV === 'production') {
// externals里的模块不打包
Object.assign(config, {
name: name,
externals: externals
})
}
// 为开发环境修改配置...
if (process.env.NODE_ENV === 'development') {
}
},
chainWebpack(config) {
config.plugins.delete('preload') // TODO: need test
config.plugins.delete('prefetch') // TODO: need test
// alias
config.resolve.alias
.set('@', resolve('src'))
.set('assets', resolve('src/assets'))
.set('views', resolve('src/views'))
.set('components', resolve('src/components'))
/**
* 添加CDN参数到htmlWebpackPlugin配置中, 详见public/index.html 修改
*/
config.plugin('html').tap(args => {
if (process.env.NODE_ENV === 'production') {
args[0].cdn = cdn.build
}
if (process.env.NODE_ENV === 'development') {
args[0].cdn = cdn.dev
}
return args
})
// set preserveWhitespace
config.module
.rule('vue')
.use('vue-loader')
.loader('vue-loader')
.tap(options => {
options.compilerOptions.preserveWhitespace = true
return options
})
.end()
config
// https://webpack.js.org/configuration/devtool/#development
.when(process.env.NODE_ENV === 'development', config => config.devtool('cheap-source-map'))
config.when(process.env.NODE_ENV !== 'development', config => {
config
.plugin('ScriptExtHtmlWebpackPlugin')
.after('html')
.use('script-ext-html-webpack-plugin', [
{
// `runtime` must same as runtimeChunk name. default is `runtime`
inline: /runtime\..*\.js$/
}
])
.end()
config.optimization.splitChunks({
chunks: 'all',
cacheGroups: {
libs: {
name: 'chunk-libs',
test: /[\\/]node_modules[\\/]/,
priority: 10,
chunks: 'initial' // only package third parties that are initially dependent
},
// elementUI: {
// name: 'chunk-elementUI', // split elementUI into a single package
// priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
// test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
// },
commons: {
name: 'chunk-commons',
test: resolve('src/components'), // can customize your rules
minChunks: 3, // minimum common number
priority: 5,
reuseExistingChunk: true
}
}
})
config.optimization.runtimeChunk('single')
})
}
}