vue-element-admin开发模式下style标签热更新失效[解决办法]

'use strict'
const path = require('path')
const defaultSettings = require('./src/settings.js')function resolve(dir) {
return path.join(__dirname, dir)
}const name = defaultSettings.title || 'vue Element Admin' // page title
// If your port is set to 80,
// use administrator privileges to execute the command line.
// For example, Mac: sudo npm run
const port = // dev port// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
/**
* You will need to set publicPath if you plan to deploy your site under a sub path,
* for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
* then publicPath should be set to "/bar/".
* In most cases please use '/' !!!
* Detail: https://cli.vuejs.org/config/#publicpath
*/
publicPath: '/',
outputDir: 'dist',
assetsDir: 'static',
lintOnSave: process.env.NODE_ENV === 'development',
productionSourceMap: false,
css: {
sourceMap: false,
modules: false,
// 是否使用css分离插件 ExtractTextPlugin
extract: false
// // 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
},
devServer: {
port: port,
open: true,
hot: true,
inline: true,
watchOptions: {
poll: true
},
overlay: {
warnings: false,
errors: true
},
proxy: {
// change xxx-api/login => mock/login
// detail: https://cli.vuejs.org/config/#devserver-proxy
[process.env.VUE_APP_BASE_API]: {
target: `http://localhost:${port}/mock`,
changeOrigin: true,
pathRewrite: {
['^' + process.env.VUE_APP_BASE_API]: ''
}
}
},
after: require('./mock/mock-server.js')
},
configureWebpack: {
// provide the app's title in webpack's name field, so that
// it can be accessed in index.html to inject the correct title.
name: name,
resolve: {
alias: {
'@': resolve('src')
}
}
},
chainWebpack(config) {
const cdn = {
// inject tinymce into index.html
// why use this cdn, detail see https://github.com/PanJiaChen/tinymce-all-in-one
js: ['https://cdn.jsdelivr.net/npm/tinymce-all-in-one@4.9.3/tinymce.min.js']
}
config.plugin('html')
.tap(args => {
args[].cdn = cdn
return args
})
config.plugins.delete('preload') // TODO: need test
config.plugins.delete('prefetch') // TODO: need test // set svg-sprite-loader
config.module
.rule('svg')
.exclude.add(resolve('src/icons'))
.end()
config.module
.rule('icons')
.test(/\.svg$/)
.include.add(resolve('src/icons'))
.end()
.use('svg-sprite-loader')
.loader('svg-sprite-loader')
.options({
symbolId: 'icon-[name]'
})
.end() // 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: ,
chunks: 'initial' // only package third parties that are initially dependent
},
elementUI: {
name: 'chunk-elementUI', // split elementUI into a single package
priority: , // 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: , // minimum common number
priority: ,
reuseExistingChunk: true
}
}
})
config.optimization.runtimeChunk('single')
}
)
}
}