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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 | import { Component, ReactNode, ErrorInfo as ReactErrorInfo } from 'react'; import { motion } from 'framer-motion'; import { AlertTriangle, RefreshCcw, Bug, Home, WifiOff } from 'lucide-react'; import { Button } from './Button'; import { reportError } from '../../lib/error-handling'; import { classifyError, AppError } from '../../lib/error-types'; // === Types === /** Extended error info with additional metadata */ interface ExtendedErrorInfo extends ReactErrorInfo { errorName?: string; errorMessage?: string; } interface ErrorBoundaryProps { children: ReactNode; fallback?: ReactNode; onError?: (error: Error, errorInfo: ReactErrorInfo) => void; onReset?: () => void; /** Whether to show connection status indicator */ showConnectionStatus?: boolean; /** Custom error title */ errorTitle?: string; /** Custom error message */ errorMessage?: string; } interface ErrorBoundaryState { hasError: boolean; error: Error | null; errorInfo: ExtendedErrorInfo | null; appError: AppError | null; showDetails: boolean; } // === Global Error Types === type GlobalErrorType = 'unhandled-rejection' | 'error' | 'websocket' | 'network'; interface GlobalErrorEvent { type: GlobalErrorType; error: unknown; timestamp: Date; } // === Global Error Handler Registry === const globalErrorListeners = new Set<(event: GlobalErrorEvent) => void>(); export function addGlobalErrorListener(listener: (event: GlobalErrorEvent) => void): () => void { globalErrorListeners.add(listener); return () => globalErrorListeners.delete(listener); } function notifyGlobalErrorListeners(event: GlobalErrorEvent): void { globalErrorListeners.forEach(listener => { try { listener(event); } catch (e) { console.error('[GlobalErrorHandler] Listener error:', e); } }); } // === Setup Global Error Handlers === let globalHandlersSetup = false; export function setupGlobalErrorHandlers(): () => void { if (globalHandlersSetup) { return () => {}; } globalHandlersSetup = true; // Handle unhandled promise rejections const handleRejection = (event: PromiseRejectionEvent) => { console.error('[GlobalErrorHandler] Unhandled rejection:', event.reason); notifyGlobalErrorListeners({ type: 'unhandled-rejection', error: event.reason, timestamp: new Date(), }); // Prevent default browser error logging (we handle it ourselves) event.preventDefault(); }; // Handle uncaught errors const handleError = (event: ErrorEvent) => { console.error('[GlobalErrorHandler] Uncaught error:', event.error); notifyGlobalErrorListeners({ type: 'error', error: event.error, timestamp: new Date(), }); // Let the error boundary handle it if possible }; // Handle WebSocket errors globally const handleWebSocketError = (event: Event) => { if (event.target instanceof WebSocket) { console.error('[GlobalErrorHandler] WebSocket error:', event); notifyGlobalErrorListeners({ type: 'websocket', error: new Error('WebSocket connection error'), timestamp: new Date(), }); } }; window.addEventListener('unhandledrejection', handleRejection); window.addEventListener('error', handleError); window.addEventListener('error', handleWebSocketError, true); // Capture phase for WebSocket return () => { window.removeEventListener('unhandledrejection', handleRejection); window.removeEventListener('error', handleError); window.removeEventListener('error', handleWebSocketError, true); globalHandlersSetup = false; }; } /** * GlobalErrorBoundary Component * * Root-level error boundary that catches all React errors and global errors. * Displays a user-friendly error screen with recovery options. */ export class GlobalErrorBoundary extends Component<ErrorBoundaryProps, ErrorBoundaryState> { private cleanupGlobalHandlers: (() => void) | null = null; constructor(props: ErrorBoundaryProps) { super(props); this.state = { hasError: false, error: null, errorInfo: null, appError: null, showDetails: false, }; } static getDerivedStateFromError(error: Error): Partial<ErrorBoundaryState> { const appError = classifyError(error); return { hasError: true, error, appError, }; } componentDidMount() { // Setup global error handlers this.cleanupGlobalHandlers = setupGlobalErrorHandlers(); // Listen for global errors and update state const unsubscribe = addGlobalErrorListener((event) => { if (!this.state.hasError) { const appError = classifyError(event.error); this.setState({ hasError: true, error: event.error instanceof Error ? event.error : new Error(String(event.error)), appError, errorInfo: null, }); } }); // Store cleanup function this.cleanupGlobalHandlers = () => { unsubscribe(); }; } componentWillUnmount() { this.cleanupGlobalHandlers?.(); } componentDidCatch(error: Error, errorInfo: ReactErrorInfo) { const { onError } = this.props; // Classify the error const appError = classifyError(error); // Update state with extended error info const extendedErrorInfo: ExtendedErrorInfo = { componentStack: errorInfo.componentStack, errorName: error.name || 'Unknown Error', errorMessage: error.message || 'An unexpected error occurred', }; this.setState({ errorInfo: extendedErrorInfo, appError, }); // Call optional error handler if (onError) { onError(error, errorInfo); } // Report to error tracking reportError(error, { componentStack: errorInfo.componentStack ?? undefined, errorName: error.name, errorMessage: error.message, }); } handleReset = () => { const { onReset } = this.props; // Reset error state this.setState({ hasError: false, error: null, errorInfo: null, appError: null, showDetails: false, }); // Call optional reset handler if (onReset) { onReset(); } }; handleReload = () => { window.location.reload(); }; handleGoHome = () => { window.location.href = '/'; }; handleReport = () => { const { error, errorInfo } = this.state; if (error) { reportError(error, { componentStack: errorInfo?.componentStack ?? undefined, errorName: errorInfo?.errorName || error.name, errorMessage: errorInfo?.errorMessage || error.message, }); // Show confirmation alert('Error reported. Thank you for your feedback.'); } }; toggleDetails = () => { this.setState(prev => ({ showDetails: !prev.showDetails })); }; render() { const { children, fallback, errorTitle, errorMessage } = this.props; const { hasError, error, errorInfo, appError, showDetails } = this.state; if (hasError && error) { // Use custom fallback if provided if (fallback) { return fallback; } // Get error display info const title = errorTitle || appError?.title || 'Something went wrong'; const message = errorMessage || appError?.message || error.message || 'An unexpected error occurred'; const category = appError?.category || 'system'; const isNetworkError = category === 'network'; return ( <div className="min-h-screen flex items-center justify-center bg-gray-50 dark:bg-gray-900 p-4"> <motion.div initial={{ opacity: 0, scale: 0.95 }} animate={{ opacity: 1, scale: 1 }} transition={{ duration: 0.2 }} className="max-w-lg w-full bg-white dark:bg-gray-800 rounded-xl shadow-lg overflow-hidden" > {/* Error Header */} <div className={`p-6 ${isNetworkError ? 'bg-orange-50 dark:bg-orange-900/20' : 'bg-red-50 dark:bg-red-900/20'}`}> <div className="flex items-center gap-4"> <div className={`p-3 rounded-full ${isNetworkError ? 'bg-orange-100 dark:bg-orange-900/40' : 'bg-red-100 dark:bg-red-900/40'}`}> {isNetworkError ? ( <WifiOff className="w-8 h-8 text-orange-500" /> ) : ( <AlertTriangle className="w-8 h-8 text-red-500" /> )} </div> <div> <h2 className="text-lg font-semibold text-gray-900 dark:text-white"> {title} </h2> <p className="text-sm text-gray-600 dark:text-gray-400 mt-1"> {message} </p> </div> </div> </div> {/* Error Details */} <div className="p-6"> {/* Category Badge */} {appError && ( <div className="flex items-center gap-2 mb-4"> <span className={`px-2 py-1 text-xs font-medium rounded-full ${ category === 'network' ? 'bg-orange-100 text-orange-700 dark:bg-orange-900/30 dark:text-orange-400' : category === 'auth' ? 'bg-red-100 text-red-700 dark:bg-red-900/30 dark:text-red-400' : category === 'server' ? 'bg-red-100 text-red-700 dark:bg-red-900/30 dark:text-red-400' : 'bg-gray-100 text-gray-700 dark:bg-gray-700 dark:text-gray-300' }`}> {category.charAt(0).toUpperCase() + category.slice(1)} Error </span> {appError.recoverable && ( <span className="px-2 py-1 text-xs font-medium rounded-full bg-green-100 text-green-700 dark:bg-green-900/30 dark:text-green-400"> Recoverable </span> )} </div> )} {/* Recovery Steps */} {appError?.recoverySteps && appError.recoverySteps.length > 0 && ( <div className="mb-4 p-4 bg-gray-50 dark:bg-gray-700/50 rounded-lg"> <h3 className="text-sm font-medium text-gray-700 dark:text-gray-300 mb-2"> Suggested Actions: </h3> <ul className="space-y-2"> {appError.recoverySteps.slice(0, 3).map((step, index) => ( <li key={index} className="text-sm text-gray-600 dark:text-gray-400 flex items-start gap-2"> <span className="text-gray-400 mt-0.5">{index + 1}.</span> <span>{step.description}</span> </li> ))} </ul> </div> )} {/* Technical Details Toggle */} <button onClick={this.toggleDetails} className="text-sm text-gray-500 dark:text-gray-400 hover:text-gray-700 dark:hover:text-gray-300 flex items-center gap-1 mb-4" > <span>{showDetails ? 'Hide' : 'Show'} technical details</span> <motion.span animate={{ rotate: showDetails ? 180 : 0 }} transition={{ duration: 0.2 }} > ▼ </motion.span> </button> {/* Technical Details */} {showDetails && ( <motion.div initial={{ height: 0, opacity: 0 }} animate={{ height: 'auto', opacity: 1 }} exit={{ height: 0, opacity: 0 }} className="overflow-hidden mb-4" > <pre className="p-3 bg-gray-100 dark:bg-gray-700 rounded-lg text-xs text-gray-600 dark:text-gray-400 overflow-x-auto whitespace-pre-wrap break-words max-h-48"> {errorInfo?.errorName || error.name}: {errorInfo?.errorMessage || error.message} {errorInfo?.componentStack && `\n\nComponent Stack:${errorInfo.componentStack}`} </pre> </motion.div> )} {/* Actions */} <div className="flex flex-col gap-2"> <div className="flex gap-2"> <Button variant="primary" size="sm" onClick={this.handleReset} className="flex-1" > <RefreshCcw className="w-4 h-4 mr-2" /> Try Again </Button> <Button variant="secondary" size="sm" onClick={this.handleReload} className="flex-1" > Reload Page </Button> </div> <div className="flex gap-2"> <Button variant="ghost" size="sm" onClick={this.handleReport} className="flex-1" > <Bug className="w-4 h-4 mr-2" /> Report Issue </Button> <Button variant="ghost" size="sm" onClick={this.handleGoHome} className="flex-1" > <Home className="w-4 h-4 mr-2" /> Go Home </Button> </div> </div> </div> </motion.div> </div> ); } return children; } } /** * ErrorBoundary Component * * A simpler error boundary for wrapping individual components or sections. * Use GlobalErrorBoundary for the root level. */ export class ErrorBoundary extends Component<ErrorBoundaryProps, ErrorBoundaryState> { constructor(props: ErrorBoundaryProps) { super(props); this.state = { hasError: false, error: null, errorInfo: null, appError: null, showDetails: false, }; } static getDerivedStateFromError(error: Error): Partial<ErrorBoundaryState> { const appError = classifyError(error); return { hasError: true, error, appError, }; } componentDidCatch(error: Error, errorInfo: ReactErrorInfo) { const { onError } = this.props; // Update state with extended error info const extendedErrorInfo: ExtendedErrorInfo = { componentStack: errorInfo.componentStack, errorName: error.name || 'Unknown Error', errorMessage: error.message || 'An unexpected error occurred', }; this.setState({ errorInfo: extendedErrorInfo, }); // Call optional error handler if (onError) { onError(error, errorInfo); } // Report error reportError(error, { componentStack: errorInfo.componentStack ?? undefined, errorName: error.name, errorMessage: error.message, }); } handleReset = () => { const { onReset } = this.props; this.setState({ hasError: false, error: null, errorInfo: null, appError: null, showDetails: false, }); if (onReset) { onReset(); } }; render() { const { children, fallback } = this.props; const { hasError, error, appError } = this.state; if (hasError && error) { if (fallback) { return fallback; } // Compact error UI for nested boundaries return ( <div className="p-4 bg-red-50 dark:bg-red-900/20 rounded-lg border border-red-200 dark:border-red-800"> <div className="flex items-start gap-3"> <AlertTriangle className="w-5 h-5 text-red-500 flex-shrink-0 mt-0.5" /> <div className="flex-1 min-w-0"> <h3 className="text-sm font-medium text-red-800 dark:text-red-200"> {appError?.title || 'Error'} </h3> <p className="text-sm text-red-600 dark:text-red-400 mt-1"> {appError?.message || error.message} </p> <Button variant="ghost" size="sm" onClick={this.handleReset} className="mt-2 text-red-600 dark:text-red-400 hover:text-red-800 dark:hover:text-red-200" > <RefreshCcw className="w-3 h-3 mr-1" /> Retry </Button> </div> </div> </div> ); } return children; } } // === Re-export for convenience === export { GlobalErrorBoundary as RootErrorBoundary }; |