Initial commit of VIZ 3D project

src/components/ErrorBoundary.tsx

@@ -0,0 +1,45 @@
+import React, { Component, ErrorInfo, ReactNode } from 'react';
+
+interface Props {
+  children: ReactNode;
+  fallback?: ReactNode;
+}
+
+interface State {
+  hasError: boolean;
+  error: Error | null;
+}
+
+export class ErrorBoundary extends Component<Props, State> {
+  public state: State = {
+    hasError: false,
+    error: null
+  };
+
+  public static getDerivedStateFromError(error: Error): State {
+    return { hasError: true, error };
+  }
+
+  public componentDidCatch(error: Error, errorInfo: ErrorInfo) {
+    console.error('Uncaught error:', error, errorInfo);
+  }
+
+  public render() {
+    if (this.state.hasError) {
+      return this.props.fallback || (
+        <div className="flex flex-col items-center justify-center p-8 bg-red-50 dark:bg-red-900/20 rounded-2xl border border-red-200 dark:border-red-800 text-center">
+          <h2 className="text-xl font-bold text-red-600 dark:text-red-400 mb-2">Something went wrong</h2>
+          <p className="text-sm text-red-500 dark:text-red-300 mb-4">{this.state.error?.message}</p>
+          <button
+            className="px-4 py-2 bg-red-600 text-white rounded-lg hover:bg-red-700 transition-colors"
+            onClick={() => this.setState({ hasError: false, error: null })}
+          >
+            Try again
+          </button>
+        </div>
+      );
+    }
+
+    return this.props.children;
+  }
+}