src/components/react/ErrorBoundary.tsx


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import React, { Component } from 'react'
import type { ErrorInfo, ReactNode } from 'react'

interface Props {
  children: ReactNode
  fallback?: ReactNode
}

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

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

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

  componentDidCatch(error: Error, errorInfo: ErrorInfo) {
    // Log error to console in development
    if (import.meta.env.DEV) {
      console.error('ErrorBoundary caught an error:', error, errorInfo)
    }
    // In production, you could send to error tracking service
    // Example: Sentry.captureException(error, { contexts: { react: errorInfo } })
  }

  render() {
    if (this.state.hasError) {
      if (this.props.fallback) {
        return this.props.fallback
      }

      return (
        <div
          className="rounded-lg border border-destructive/50 bg-destructive/10 p-6"
          role="alert"
          aria-live="assertive"
        >
          <h2 className="text-lg font-semibold text-destructive mb-2">
            Something went wrong
          </h2>
          <p className="text-sm text-muted-foreground">
            {this.state.error?.message || 'An unexpected error occurred'}
          </p>
          <button
            onClick={() => this.setState({ hasError: false, error: null })}
            className="mt-4 text-sm text-primary hover:underline"
          >
            Try again
          </button>
        </div>
      )
    }

    return this.props.children
  }
}