npm i -D progress-bar-webpack-plugin
var ProgressBarPlugin = require('progress-bar-webpack-plugin');...var webpackConfig = {entry: 'index.js',output: {path: path.resolve(__dirname, './dist'),filename: 'index_bundle.js'},plugins: [...,new ProgressBarPlugin({complete: Chalk.green('█'),incomplete: Chalk.white('█'),format: ' build :bar ' + Chalk.green.bold(':percent') + ' (:elapsed seconds)'})]};