vue-element-admin开发模式下style标签热更新失效[解决办法]
参考：https://forum.vuejs.org/t/vue-cli-3-x-style/46306/3
vue.config.js添加配置
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
},
参考：https://github.com/vuejs/vue-cli/issues/2051
vue.config.js添加
watchOptions: { poll: true
},
参考
vue.config.js添加
hot: true,inline: true,
最终vue.config.js的配置如下
'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 = 9527 // 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:${port}/mock`,
changeOrigin: true,
pathRewrite: {
['^' + process.env.VUE_APP_BASE_API]: ''
}
}
},
after: require('./mock/mock-server.js')
},
configureWebpack: {
// provide the app's title in webpack's name field, so that
// it can be accessed in index.html to inject the correct title.
name: name,
resolve: {
alias: {
'@': resolve('src')
}
}
},
chainWebpack(config) {
const cdn = {
// inject tinymce into index.html
// why use this cdn, detail see https://github.com/PanJiaChen/tinymce-all-in-one
js: ['https://cdn.jsdelivr.net/npm/tinymce-all-in-one@4.9.3/tinymce.min.js']
}
config.plugin('html')
.tap(args => {
args[0].cdn = cdn
return args
})
config.plugins.delete('preload') // TODO: need test
config.plugins.delete('prefetch') // TODO: need test
// set svg-sprite-loader
config.module
.rule('svg')
.exclude.add(resolve('src/icons'))
.end()
config.module
.rule('icons')
.test(/\.svg$/)
.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: 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')
}
)
}
}
View Code
但是重点来了，按照上面的修改完成后，如果修改line.vue如下<style scoped> ...<style>中的样式，比如width:100%，浏览器还是不能热加载~~~~
但是重点来了，按照上面的修改完成后，如果修改line.vue如下<style scoped> ...<style>中的样式，比如width:100%，浏览器还是不能热加载~~~~
但是重点来了，按照上面的修改完成后，如果修改line.vue如下<style scoped> ...<style>中的样式，比如width:100%，浏览器还是不能热加载~~~~
<template><div class="chart-container">
<chart height="100%" width="100%" />
</div>
</template>
<script>
import Chart from '@/components/Charts/LineMarker'
export default {
name: 'LineChart1',
components: { Chart }
}
</script>
<style scoped>
.chart-container{
position: relative;
width: 10%;
height: calc(100vh - 84px);
}
</style>
最终的解决办法，参考https://github.com/vuejs/vue-cli/issues/3480 这个怀疑是版本的问题，但是两个环节的webpack 都是4.29以下的版本，具体是4.28，于是决定版本回退，安装webpack 4.27.1，发现依旧没什么卵用，不能热加载，最后苦逼的对了下配置，发发现是是package.json中的如下版本导致的问题
"@vue/cli-plugin-babel": "3.5.3","@vue/cli-plugin-eslint": "3.5.1",
"@vue/cli-plugin-unit-jest": "3.5.3",
"@vue/cli-service": "3.5.3",
正确的版本是，如下
"@vue/cli-plugin-babel": "3.6.0","@vue/cli-plugin-eslint": "3.6.0",
"@vue/cli-plugin-unit-jest": "3.6.3",
"@vue/cli-service": "3.6.0",
所以最终的解决方案是：
1.在项目目录执行：npm install webpack@4.27.1 （会修改package.json）
2.修改上述cli-plugin-*的版本问3.6
其他参考
https://github.com/vuejs/vue-cli/issues/3480
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