src/demo/components/ErrorBoundary.tsx

import React, { Component, ErrorInfo, ReactNode } from "react";
import { Alert, AlertDescription, AlertTitle } from "./ui/alert";
import { Button } from "./ui/button";

interface Props {
  children: ReactNode;
}

interface State {
  hasError: boolean;
  error?: Error;
}

export class ErrorBoundary extends Component<Props, State> {
  constructor(props: Props) {
    super(props);
    this.state = { hasError: false };
  }

  static getDerivedStateFromError(error: Error): State {
    return { hasError: true, error };
  }

  componentDidCatch(error: Error, errorInfo: ErrorInfo) {
    console.error("ErrorBoundary caught an error:", error, errorInfo);
  }

  render() {
    if (this.state.hasError) {
      return (
        <div className="min-h-screen flex items-center justify-center p-8">
          <div className="max-w-md w-full">
            <Alert variant="destructive">
              <AlertTitle>Something went wrong</AlertTitle>
              <AlertDescription>
                The application encountered an error. Please try refreshing the
                page or contact support if the problem persists.
              </AlertDescription>
            </Alert>
            <div className="mt-4 flex gap-2">
              <Button onClick={() => window.location.reload()}>
                Refresh Page
              </Button>
              <Button
                variant="outline"
                onClick={() =>
                  this.setState({ hasError: false, error: undefined })
                }
              >
                Try Again
              </Button>
            </div>
            {process.env.NODE_ENV === "development" && this.state.error && (
              <div className="mt-4 p-4 bg-gray-100 rounded-md text-xs">
                <pre>{this.state.error.stack}</pre>
              </div>
            )}
          </div>
        </div>
      );
    }

    return this.props.children;
  }
}