wehub-resource-sync
77 lines
1.9 KiB
TypeScript
77 lines
1.9 KiB
TypeScript
import { Component, ReactNode } from 'react';
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interface ErrorBoundaryProps {
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children: ReactNode;
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fallback?: ReactNode;
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onError?: (error: Error, errorInfo: React.ErrorInfo) => void;
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}
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interface ErrorBoundaryState {
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hasError: boolean;
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error?: Error;
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}
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/**
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* Error Boundary component to catch React errors and prevent full app crashes.
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*
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* Usage:
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* ```tsx
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* <ErrorBoundary>
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* <YourComponent />
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* </ErrorBoundary>
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* ```
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*
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* With custom fallback:
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* ```tsx
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* <ErrorBoundary fallback={<div>Custom error UI</div>}>
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* <YourComponent />
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* </ErrorBoundary>
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* ```
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*/
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export class ErrorBoundary extends Component<ErrorBoundaryProps, ErrorBoundaryState> {
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constructor(props: ErrorBoundaryProps) {
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super(props);
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this.state = { hasError: false };
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}
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static getDerivedStateFromError(error: Error): ErrorBoundaryState {
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return { hasError: true, error };
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}
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componentDidCatch(error: Error, errorInfo: React.ErrorInfo) {
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console.error('ErrorBoundary caught an error:', error, errorInfo);
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this.props.onError?.(error, errorInfo);
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}
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handleReset = () => {
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this.setState({ hasError: false, error: undefined });
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};
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render() {
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if (this.state.hasError) {
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if (this.props.fallback) {
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return this.props.fallback;
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}
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return (
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<div className="p-24 bg-red-50 border border-red-200 rounded-12 m-20">
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<h2 className="text-lg font-semibold text-red-800 mb-8">
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Something went wrong
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</h2>
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<p className="text-sm text-red-600 mb-16">
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{this.state.error?.message || 'An unexpected error occurred'}
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</p>
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<button
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onClick={this.handleReset}
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className="px-16 py-8 bg-red-600 hover:bg-red-700 text-white rounded-8 text-sm font-medium transition-colors"
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>
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Try Again
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</button>
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</div>
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);
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}
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return this.props.children;
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}
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}
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