Webpack Performance 2

webpack.config.js

const path = require('path');

module.exports = {
  entry: './path/to/my/entry/file.js',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: '[name].bundle.[contenthash].js',
  },
  optimization: {
    splitChunks: {
      chunks: 'all',
    },
  },
};