SatsFaucet/frontend/src/ErrorBoundary.tsx

import { Component, ErrorInfo, ReactNode } from "react";

interface Props {
  children: ReactNode;
}

interface State {
  hasError: boolean;
  error: Error | null;
}

export class ErrorBoundary extends Component<Props, State> {
  state: State = { hasError: false, error: null };

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

  componentDidCatch(error: Error, errorInfo: ErrorInfo) {
    console.error("App error:", error, errorInfo);
  }

  render() {
    if (this.state.hasError && this.state.error) {
      return (
        <div
          style={{
            minHeight: "100vh",
            display: "flex",
            flexDirection: "column",
            alignItems: "center",
            justifyContent: "center",
            padding: "2rem",
            fontFamily: "system-ui, -apple-system, sans-serif",
            background: "#0c1222",
            color: "#f1f5f9",
            textAlign: "center",
          }}
        >
          <div style={{ fontSize: "3rem", marginBottom: "1rem" }}>&#9889;</div>
          <h1 style={{ fontSize: "1.5rem", fontWeight: 600, marginBottom: "0.75rem" }}>
            Something went wrong
          </h1>
          <p style={{ color: "#94a3b8", maxWidth: 420, marginBottom: "1.5rem", lineHeight: 1.6 }}>
            The app encountered an unexpected error. This has been logged.
            You can try reloading the page.
          </p>
          <div style={{ display: "flex", gap: "12px" }}>
            <button
              type="button"
              onClick={() => window.location.reload()}
              style={{
                padding: "10px 24px",
                background: "#f97316",
                color: "#fff",
                border: "none",
                borderRadius: "8px",
                fontSize: "14px",
                fontWeight: 500,
                cursor: "pointer",
              }}
            >
              Reload page
            </button>
            <button
              type="button"
              onClick={() => this.setState({ hasError: false, error: null })}
              style={{
                padding: "10px 24px",
                background: "transparent",
                color: "#94a3b8",
                border: "1px solid #334155",
                borderRadius: "8px",
                fontSize: "14px",
                fontWeight: 500,
                cursor: "pointer",
              }}
            >
              Try again
            </button>
          </div>
        </div>
      );
    }
    return this.props.children;
  }
}