FastUglifyJsPlugin
compatible with webpack 2
The uglify process of building project in production environment is very time consuming. It could take up to 70% of the build time. FastUglifyJsPlugin have multi-process and cache feature comparing to webpack's UglifyJsPlugin. Multi-process can utilize multicore cpu's caculation capability. Cache can minimize the need to complie code. Below is a set of performance testing data. FastUglifyJsPlugin has a way better performace.
| plugin | time |
|---|---|
| webpack.optimize.UglifyJsPlugin | 7.4 min |
| FastUglifyJsPlugin without cache | 4.45 min |
| FastUglifyJsPlugin with cache | 36 s |
test sample：29 entry,2615 modules
test environment：MacBook Pro，4 core cpu,8g memory
npm i fast-uglifyjs-plugin --save # or yarn add fast-uglifyjs-pluginFastUglifyJsPlugin is base on webpack.optimize.UglifyJsPlugin. They have the same usage except for a few extra configuration.
var FastUglifyJsPlugin = require('fast-uglifyjs-plugin'); module.exports = { entry: {...}, output: {...}, plugins: [new FastUglifyJsPlugin({ compress: { warnings: false }, // set debug as true to output detail cache information debug: true, // enable cache by default to improve uglify performance. set false to turn it off cache: false, // root directory is the default cache path. it can be configured by following setting cacheFolder: path.resolve(__dirname, '.otherFolder'), // num of worker process default ,os.cpus().length workerNum: 2 })] };