when to use error boundary components react code example
Example: react error boundary
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;
}
}