webpack打包报错

[byself]

`ERROR in ./~/rctui/Button.js

Module parse failed: /Users/wangzili/WebstormProjects/cosmetic_fe/node_modules/rctui/Button.js Unexpected token (31:56)
You may need an appropriate loader to handle this file type.
|
| render () {
| let { children, status, size, grid, tag, className, ...others } = this.props
|
| className = classnames(

@ ./~/rctui/index.js 3:0-44
@ ./cosmetic/src/modules/merchant/merchant.jsx
@ ./cosmetic/src/modules/home/home.jsx
@ ./cosmetic/src/routers/router.js`

[byself]

只要是有classnames的文件都报错.
配置：
webpack: 2.4.1
node: 7.6.0
npm: 4.1.2

[Lobos]

看下classnames这个模块有没有安装，可以参考这个项目https://github.com/Lobos/react-example