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webpack.prod.js
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webpack.prod.js
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const webpack = require('webpack')
const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin') // html 压缩
const CleanWebpackPlugin = require('clean-webpack-plugin') // 打包的时候清空output对应目录的文件
const TerserPlugin = require('terser-webpack-plugin') // 并行压缩, 加快压缩速度.
const OptimizeCssAssetsWebpackPlugin = require('optimize-css-assets-webpack-plugin') // css压缩.
const cssnano = require('cssnano') // OptimizeCssAssetsWebpackPlugin的依赖.
const SpeedMeasureWebpackPlugin = require('speed-measure-webpack-plugin') // 各个模块加载的速度测试.
const merge = require('webpack-merge')
const webpackBase = require('./webpack.base.js')
const webpackConfig = merge(webpackBase, {
entry: path.join(__dirname, './app/main.js'), // 入口文件
output: {
path: path.join(__dirname, './dist'), // 打包后的文件存放的地方
filename: './js/[name]_[hash:8].js' // 打包后输出文件的文件名
// filename: '/js/bundle.js'
},
// stats ohters value:
// minimal(error or compile), none, normal(standard output), verbose(every time).
stats: 'errors-only',
mode: 'production',
optimization: {
minimizer: [
new TerserPlugin({
parallel: true
})
]
},
plugins: [
new webpack.HotModuleReplacementPlugin(),
new OptimizeCssAssetsWebpackPlugin({
assetNameRegExp: /\.css$/g,
cssProcessor: cssnano // 依赖这个, 也要装.
}),
new HtmlWebpackPlugin({
template: path.join(__dirname, './app/index.html'), // 路径
filename: 'index.html', // default: index.html, so you can don't write this property if value is
// index.html.
chunks: ['main'], // 哪个 js 文件导入.
inject: true, // true或者body 放在body后面, 不然放在head里面.默认就是true.
minify: {
html5: true,
collapseWhitespace: true,
preserveLineBreaks: false,
minifyCSS: true,
minifyJS: true,
removeComments: false
}
}),
new CleanWebpackPlugin(),
new SpeedMeasureWebpackPlugin()
]
})
module.exports = webpackConfig