ERROR in ./modules/Repos.js
Module build failed: SyntaxError: E:/AllWorkSpace/react-router/trunk/lessons/01-
setting-up/modules/Repos.js: Unexpected token (4:16)

 2 | import {Link} from 'react-router';
 3 | export default class Repos extends Component{
> 4 |   handleSubmit = () => {
  |         ^
 5 |
 6 |   }
 7 |   render(){

 @ ./index.js 19:13-39

npm install --save-dev babel-preset-es2015
npm install --save-dev babel-preset-react
npm install --save-dev babel-preset-stage-0
npm install --save-dev babel-plugin-transform-class-properties

{
  presets: [ "react","es2015","stage-0"],
  "plugins": ["transform-class-properties"]
}

module: {
   loaders: [
    { 
     test: /\.js$/, 
     exclude: /node_modules/, 
     loader: 'babel-loader"htmlcode">

ERROR in ./modules/Repos.js
Module build failed: SyntaxError: E:/AllWorkSpace/react-router/trunk/lessons/01-
setting-up/modules/Repos.js: Missing class properties transform.

 2 | import {Link} from 'react-router';
 3 | export default class Repos extends Component{
> 4 |   handleSubmit = () => {
  |   ^
 5 |
 6 |   }
 7 |   render(){

 @ ./index.js 19:13-39



好了，这样就可以为所欲为，随心所欲的使用自己喜爱的箭头函数写法了。


以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。