概述 本月迎来了 v4 正式版的发布,本文用于学习新特性和总结开发必用plugin & loader,从dev到prd,走你~ Big changes Environment Node.js 4 is no longer supported. Source Code was upgraded to a higher ecmascript version. Usage You have to choose (mode or –mode) between two modes now: production or development 本次新版本中引入了 mode 配置项,开发者可在 none,d