Created
March 20, 2018 07:25
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Error Boundaries in React
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import React from 'react'; | |
import MyGreatComponent from './my-component'; | |
class ErrorBoundary extends React.Component { | |
constructor(props) { | |
super(props); | |
this.state = { hasError: false }; | |
} | |
componentDidCatch(error, info) { | |
// Display fallback UI | |
this.setState({ hasError: true }); | |
// You can also log the error to an error reporting service | |
logErrorToMyService(error, info); | |
} | |
render() { | |
if (this.state.hasError) { | |
// You can render any custom fallback UI | |
return <h1>Something went wrong.</h1>; | |
} | |
return this.props.children; | |
} | |
} | |
const App = () => { | |
return ( | |
<ErrorBoundary> | |
<MyGreatComponent /> | |
</ErrorBoundary> | |
); | |
} |
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