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雖然改寫ES6語法的一些組件我的陣營路由器開始拋出以下錯誤:陣營路由器3.0.2 + ES6:React.createElement:類型無效
Uncaught Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: undefined. You likely forgot to export your component from the file it's defined in. Check the render method of `Navicon`.
該錯誤只彈簧,如果我包括<Link>
組件我Navicon組件內部,它看起來像這樣:
import React from 'react';
import Link from 'react-router';
import './navicon.css';
class Navicon extends React.Component {
constructor(props) {
super(props)
}
render() {
return (
<div className='navicon-container' tabIndex='0'>
<div className={'dropdown'}>
<Link to={'/'}>Hello</Link>
</div>
</div>
)
}
}
export default Navicon;
,其安裝我的路由器的組件看起來是這樣的:
import React from 'react';
import ReactDOM from 'react-dom';
import { Router, Route, browserHistory, IndexRoute } from 'react-router';
import App from './components/App';
import Home from './components/Home';
import About from './components/About';
import './main.css';
ReactDOM.render(
<Router history={browserHistory}>
<Route component={App}>
<Route path='/' component={Home} />
<Route path='/about' component={About} />
</Route>
</Router>,
document.getElementById('app')
);
我正在使用"react-router": "^3.0.2"
有沒有人有任何想法可能會跳閘此錯誤?當我使用React.createClass()
時,這個錯誤從未出現過,所以我感到困惑。