cleanScripsAfterBuild install npm install --save clean-scripts-after-build Usage Example node ./node_modules/clean-scripts-after-build --path [string] --bundleName [string] // need npm install webpack-shell-plugin var WebpackShellPlugin = require('webpack-shell-plugin'); //put it on plugins array for webpack new WebpackShellPlugin({ onBuildStart:['echo "Webpack Start"'], onBuildEnd:[ `node ./node_modules/clean-scripts-after-build --path ${__dirname + '/public/js/'} --bundleName bundle.js` ] }) //or node ./node_modules/clean-scripts-after-build --path ./public/js/ --bundleName bundle.js