webpack.prod.js
const merge = require('webpack-merge');
const common = require('./webpack.common.js');
const CleanWebpackPlugin = require('clean-webpack-plugin');
module.exports = merge(common, {
mode: 'production',
devtool: 'source-map',
externals: {
jquery: 'jQuery'
},
plugins: [
new CleanWebpackPlugin(['dist'])
]
});