export class ErrorBoundary extends Component<Props, hasError: boolean > state = hasError: false ;
| Tool | Purpose | |------|---------| | | Error tracking and stack traces | | LogRocket | Session replay (see what user did before error) | | DataDog / New Relic | Performance monitoring, API latency | | Axiom / Grafana | Centralized logging | Example: Error logging with Sentry import * as Sentry from '@sentry/react'; Sentry.init( dsn: import.meta.env.VITE_SENTRY_DSN, environment: import.meta.env.MODE, tracesSampleRate: 0.1, // 10% of transactions ); react application architecture for production pdf
[data-theme="dark"] --color-background: #1e1e2e; --color-primary: #60a5fa; export class ErrorBoundary extends Component<