Claude experiments

frontend/src/components/ErrorBoundary.tsx

@@ -0,0 +1,84 @@
+import { Component } from 'react';
+import type { ErrorInfo, ReactNode } from 'react';
+import { AlertTriangle, RefreshCw } from 'lucide-react';
+
+interface Props {
+  children: ReactNode;
+  fallback?: ReactNode;
+}
+
+interface State {
+  hasError: boolean;
+  error?: Error;
+  errorInfo?: ErrorInfo;
+}
+
+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);
+    this.setState({ error, errorInfo });
+  }
+
+  handleReset = () => {
+    this.setState({ hasError: false, error: undefined, errorInfo: undefined });
+  };
+
+  render() {
+    if (this.state.hasError) {
+      if (this.props.fallback) {
+        return this.props.fallback;
+      }
+
+      return (
+        <div className="bg-white rounded-lg shadow p-6">
+          <div className="flex items-center justify-center text-center">
+            <div>
+              <AlertTriangle className="h-12 w-12 text-red-400 mx-auto mb-4" />
+              <h3 className="text-lg font-medium text-gray-900 mb-2">Something went wrong</h3>
+              <p className="text-gray-600 mb-4">
+                An error occurred while rendering this component. Please try refreshing or check the console for more details.
+              </p>
+
+              {this.state.error && (
+                <div className="bg-red-50 border border-red-200 rounded-md p-3 mb-4 text-left">
+                  <p className="text-sm font-mono text-red-800">
+                    <strong>Error:</strong> {this.state.error.message}
+                  </p>
+                  {this.state.error.stack && (
+                    <details className="mt-2">
+                      <summary className="text-sm text-red-600 cursor-pointer">Stack trace</summary>
+                      <pre className="text-xs text-red-700 mt-1 whitespace-pre-wrap">
+                        {this.state.error.stack}
+                      </pre>
+                    </details>
+                  )}
+                </div>
+              )}
+
+              <button
+                onClick={this.handleReset}
+                className="inline-flex items-center px-4 py-2 bg-blue-600 text-white rounded-md hover:bg-blue-700 transition-colors"
+              >
+                <RefreshCw className="h-4 w-4 mr-2" />
+                Try Again
+              </button>
+            </div>
+          </div>
+        </div>
+      );
+    }
+
+    return this.props.children;
+  }
+}
+
+export default ErrorBoundary;