Created
March 23, 2021 23:50
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React Error Boundaries
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import React from 'react'; | |
import ReactDOM from 'react-dom'; | |
import App from '.src/App'; | |
class ErrorBoundary extends React.Component { | |
constructor(props) { | |
super(props); | |
this.state = { hasError: false }; | |
} | |
static getDerivedStateFromError(error) { | |
// Update state so the next render will show the fallback UI. | |
return { hasError: true }; | |
} | |
componentDidCatch(error, errorInfo) { | |
// You can also log the error to an error reporting service | |
logErrorToMyService(error, errorInfo); | |
} | |
render() { | |
if (this.state.hasError) { | |
// You can render any custom fallback UI | |
return <h1>Something went wrong.</h1>; | |
} | |
return this.props.children; | |
} | |
}; | |
ReactDOM.render( | |
<ErrorBoundary> | |
<App /> | |
</ErrorBoundary>, | |
document.getElementById('root') | |
); |
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