performance optimization

This commit is contained in:
FairyEver 2019-12-12 20:20:02 +08:00
parent 856ffa599c
commit 2b6ff62544
2 changed files with 49 additions and 4 deletions

View File

@ -8,8 +8,8 @@ module.exports = {
'@vue/standard'
],
rules: {
'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'off',
'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off'
'no-console': 'off',
'no-debugger': 'off'
},
parserOptions: {
parser: 'babel-eslint'

View File

@ -37,12 +37,55 @@ module.exports = {
}
},
configureWebpack: {
// 关闭文件过大提示,利于打包加快速度
performance: {
hints: 'warning',
// 入口起点的最大体积
maxEntrypointSize: 50000000,
// 生成文件的最大体积
maxAssetSize: 30000000,
// 只给出 js 文件的性能提示
assetFilter: function(assetFilename) {
return assetFilename.endsWith('.js');
}
},
// 公共代码抽离和代码分割
optimization: {
runtimeChunk: 'single',
splitChunks: {
cacheGroups: {
vendors: {
test: /[\\/]node_modules[\\/]/,
name: 'vendors',
minSize: 30000,
minChunks: 1,
chunks: 'initial',
priority: 1 // 设置处理的优先级,数值越大越优先处理
},
commons: {
test: /[\\/]src[\\/]common[\\/]/,
name: 'commons',
minSize: 30000,
minChunks: 3,
chunks: 'initial',
priority: -1,
reuseExistingChunk: true // 允许使用已经存在的代码块
},
styles: {
name: 'styles',
test: /\.(sa|sc|c)ss$/,
chunks: 'all',
enforce: true
},
runtimeChunk: {
name: 'manifest'
}
}
},
minimizer: [
// 自定义js优化配置将会覆盖默认配置
new UglifyJsPlugin({
exclude: /\.min\.js$/, // 过滤掉以".min.js"结尾的文件,我们认为这个后缀本身就是已经压缩好的代码,没必要进行二次压缩
exclude: /\.min\.js$/, // 过滤掉以 '.min.js' 结尾的文件,我们认为这个后缀本身就是已经压缩好的代码,没必要进行二次压缩
cache: true,
parallel: true, // 开启并行压缩充分利用cpu
sourceMap: false,
@ -50,7 +93,9 @@ module.exports = {
uglifyOptions: {
compress: {
unused: true,
drop_debugger: true
drop_console: true,
drop_debugger: true,
pure_funcs: ['console.log']
},
output: {
comments: false