能够列出输出、loader和plugins的耗时,过长将会使用黄色和红色显示
1、下载
cnpm install -D speed-measure-webpack-plugin
2、使用
const SpeedMeasurePlugin=require('speed-measure-webpack-plugin')
const smp = new SpeedMeasurePlugin();
smp.wrap({配置config})
Imagen de efecto:
Ejemplo de código:
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const {
CleanWebpackPlugin } = require('clean-webpack-plugin');
const HTMLInlineCSSWebpackPlugin = require ( "html-inline-css-webpack-plugin" ). default ;
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const HtmlWebpackExternalsPlugin = require('html-webpack-externals-plugin')
const FriendlyErrorsWebpackPlugin = require('friendly-errors-webpack-plugin');
const glob = require('glob');
const fs = require('fs');
const TerserPlugin = require("terser-webpack-plugin");
const SpeedMeasurePlugin=require('speed-measure-webpack-plugin')
const smp = new SpeedMeasurePlugin();
const setOptions = ()=>{
const entry = {
};
const htmlWebpackPlugin = [];
const entryFiles = glob.sync(path.resolve(__dirname, './src/*/index.js'))
const fileReg = /src\/(.*)\/index\.js/;
entryFiles.forEach((filePath, index) => {
const fileName = filePath.match(fileReg);
entry[fileName[1]] = filePath;
htmlWebpackPlugin.push(
new HtmlWebpackPlugin({
template: `./src/${
fileName[1]}/index.html`,
filename:fileName[1]+'.html',
chunks:[fileName[1]]
})
)
})
return {
entry,
htmlWebpackPlugin
}
}
module.exports =smp.wrap( {
entry: setOptions().entry,
output: {
path: path.resolve(__dirname, 'dist'),
filename: '[name]_[chunkhash:8].js'
},
module: {
rules: [
{
test: /\.js$/,
use:['babel-loader']
},
{
test: /\.css$/,
use: [
MiniCssExtractPlugin.loader,
'css-loader',
{
loader: "postcss-loader",
options: {
postcssOptions: {
plugins: [
[
"autoprefixer",
{
overrideBrowserslist: [
"Android 4.1",
"iOS 7.1",
"Chrome > 31",
"ff > 31",
"ie >= 8",
"> 1%", // 必须大于 1% 用户使用的浏览器
//'last 2 versions', // 所有主流浏览器最近的 2个版本
],
},
],
],
},
},
},
{
loader: 'px2rem-loader',
options: {
remUnit: 75, //初始稿的10分之一,代表设计稿为750,1rem=75px,
remPrecision:8, //精确的小数点位数
}
}
]
},
{
test: /\.txt$/i,
use: [
{
loader: 'raw-loader',
options: {
esModule: false,
},
},
],
}
]
},
optimization: {
splitChunks: {
cacheGroups: {
commons: {
test: /(react)|(react-dom)/,
chunks: 'all',
name: 'hhh',
}
}
}
},
mode: "production",
plugins: [
...setOptions().htmlWebpackPlugin,
new MiniCssExtractPlugin({
filename: 'css/build.css' }),
new HTMLInlineCSSWebpackPlugin(),
// new FriendlyErrorsWebpackPlugin(),
new CleanWebpackPlugin(),
function () {
this.hooks.done.tap("done", (stats) => {
if (stats.compilation.errors && stats.compilation.errors.length && process.argv.indexOf('--watch') == -1) {
console.log('build error');
process.exit(1);
}
})
}
]
})