import React, { Component, ReactNode } from 'react'; export class ErrorBoundary extends Component<{ fallback: ReactNode }> { state = { hasError: false }; static getDerivedStateFromError() { return { hasError: true }; } componentDidCatch(error: Error, _errorInfo: React.ErrorInfo) { console.error(error); } render() { if (this.state.hasError) { return this.props.fallback; } return this.props.children; } }