webpack.pro.config.js

const webpack = require('webpack')
var webpackDevMiddleware = require("webpack-dev-middleware")
const baseWebpackConfig = require('./webpack.base.config.js')
const ExtractTextPlugin = require('extract-text-webpack-plugin')



const proConfig = {
	devtool: false,
	plugins: [
		new webpack.optimize.UglifyJsPlugin({
		  mangle: {
		    reserved: ['mutual']
		  }
		})
	],
	module : {
		rules : [
			{
				test: /\.css$/,
				use: ExtractTextPlugin.extract({
						fallback: "style-loader",
						use:[
							{
								loader : "css-loader",
								options : {
									minimize: true
								}
							},
							{
								loader : "postcss-loader",
								options: {           
									plugins:(loader) => [
								      require('autoprefixer')()	
								    ]
								}
							}
						]
					})
			},
			{
				test: /\.less$/,
				use: ExtractTextPlugin.extract({
						fallback: "style-loader",
						use: [
							{
								loader : "css-loader",
								options : {
									minimize: true
								}
							},
							{
								loader : "postcss-loader",
								options: {           
								  plugins: (loader) => [
								      require('autoprefixer')()
								  ]
								}
							},
							"less-loader"
						]
					})
			}
		]
	}
}

baseWebpackConfig.devtool = proConfig.devtool;
baseWebpackConfig.plugins = baseWebpackConfig.plugins.concat(proConfig.plugins);
baseWebpackConfig.module.rules = baseWebpackConfig.module.rules.concat(proConfig.module.rules);

module.exports = baseWebpackConfig;