File size: 11,008 Bytes
70ceb8b | 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 | /**
* ErrorHandler - Centralna obs艂uga b艂臋d贸w
* Eliminuje powtarzalne wzorce obs艂ugi b艂臋d贸w w ca艂ym projekcie
*/
import { createModuleLogger } from "./utils/LoggerUtils.js";
const log = createModuleLogger('ErrorHandler');
/**
* Typy b艂臋d贸w w aplikacji
*/
export const ErrorTypes = {
VALIDATION: 'VALIDATION_ERROR',
NETWORK: 'NETWORK_ERROR',
FILE_IO: 'FILE_IO_ERROR',
CANVAS: 'CANVAS_ERROR',
IMAGE_PROCESSING: 'IMAGE_PROCESSING_ERROR',
STATE_MANAGEMENT: 'STATE_MANAGEMENT_ERROR',
USER_INPUT: 'USER_INPUT_ERROR',
SYSTEM: 'SYSTEM_ERROR'
};
/**
* Klasa b艂臋du aplikacji z dodatkowymi informacjami
*/
export class AppError extends Error {
constructor(message, type = ErrorTypes.SYSTEM, details = null, originalError = null) {
super(message);
this.name = 'AppError';
this.type = type;
this.details = details;
this.originalError = originalError;
this.timestamp = new Date().toISOString();
if (Error.captureStackTrace) {
Error.captureStackTrace(this, AppError);
}
}
}
/**
* Handler b艂臋d贸w z automatycznym logowaniem i kategoryzacj膮
*/
export class ErrorHandler {
constructor() {
this.errorCounts = new Map();
this.errorHistory = [];
this.maxHistorySize = 100;
}
/**
* Obs艂uguje b艂膮d z automatycznym logowaniem
* @param {Error | AppError | string} error - B艂膮d do obs艂u偶enia
* @param {string} context - Kontekst wyst膮pienia b艂臋du
* @param {object} additionalInfo - Dodatkowe informacje
* @returns {AppError} Znormalizowany b艂膮d
*/
handle(error, context = 'Unknown', additionalInfo = {}) {
const normalizedError = this.normalizeError(error, context, additionalInfo);
this.logError(normalizedError, context);
this.recordError(normalizedError);
this.incrementErrorCount(normalizedError.type);
return normalizedError;
}
/**
* Normalizuje b艂膮d do standardowego formatu
* @param {Error | AppError | string} error - B艂膮d do znormalizowania
* @param {string} context - Kontekst
* @param {object} additionalInfo - Dodatkowe informacje
* @returns {AppError} Znormalizowany b艂膮d
*/
normalizeError(error, context, additionalInfo) {
if (error instanceof AppError) {
return error;
}
if (error instanceof Error) {
const type = this.categorizeError(error, context);
return new AppError(error.message, type, { context, ...additionalInfo }, error);
}
if (typeof error === 'string') {
return new AppError(error, ErrorTypes.SYSTEM, { context, ...additionalInfo });
}
return new AppError('Unknown error occurred', ErrorTypes.SYSTEM, { context, originalError: error, ...additionalInfo });
}
/**
* Kategoryzuje b艂膮d na podstawie wiadomo艣ci i kontekstu
* @param {Error} error - B艂膮d do skategoryzowania
* @param {string} context - Kontekst
* @returns {ErrorType} Typ b艂臋du
*/
categorizeError(error, context) {
const message = error.message.toLowerCase();
if (message.includes('fetch') || message.includes('network') ||
message.includes('connection') || message.includes('timeout')) {
return ErrorTypes.NETWORK;
}
if (message.includes('file') || message.includes('read') ||
message.includes('write') || message.includes('path')) {
return ErrorTypes.FILE_IO;
}
if (message.includes('invalid') || message.includes('required') ||
message.includes('validation') || message.includes('format')) {
return ErrorTypes.VALIDATION;
}
if (message.includes('image') || message.includes('canvas') ||
message.includes('blob') || message.includes('tensor')) {
return ErrorTypes.IMAGE_PROCESSING;
}
if (message.includes('state') || message.includes('cache') ||
message.includes('storage')) {
return ErrorTypes.STATE_MANAGEMENT;
}
if (context.toLowerCase().includes('canvas')) {
return ErrorTypes.CANVAS;
}
return ErrorTypes.SYSTEM;
}
/**
* Loguje b艂膮d z odpowiednim poziomem
* @param {AppError} error - B艂膮d do zalogowania
* @param {string} context - Kontekst
*/
logError(error, context) {
const logMessage = `[${error.type}] ${error.message}`;
const logDetails = {
context,
timestamp: error.timestamp,
details: error.details,
stack: error.stack
};
switch (error.type) {
case ErrorTypes.VALIDATION:
case ErrorTypes.USER_INPUT:
log.warn(logMessage, logDetails);
break;
case ErrorTypes.NETWORK:
log.error(logMessage, logDetails);
break;
default:
log.error(logMessage, logDetails);
}
}
/**
* Zapisuje b艂膮d w historii
* @param {AppError} error - B艂膮d do zapisania
*/
recordError(error) {
this.errorHistory.push({
timestamp: error.timestamp,
type: error.type,
message: error.message,
context: error.details?.context
});
if (this.errorHistory.length > this.maxHistorySize) {
this.errorHistory.shift();
}
}
/**
* Zwi臋ksza licznik b艂臋d贸w dla danego typu
* @param {ErrorType} errorType - Typ b艂臋du
*/
incrementErrorCount(errorType) {
const current = this.errorCounts.get(errorType) || 0;
this.errorCounts.set(errorType, current + 1);
}
/**
* Zwraca statystyki b艂臋d贸w
* @returns {ErrorStats} Statystyki b艂臋d贸w
*/
getErrorStats() {
const errorCountsObj = {};
for (const [key, value] of this.errorCounts.entries()) {
errorCountsObj[key] = value;
}
return {
totalErrors: this.errorHistory.length,
errorCounts: errorCountsObj,
recentErrors: this.errorHistory.slice(-10),
errorsByType: this.groupErrorsByType()
};
}
/**
* Grupuje b艂臋dy wed艂ug typu
* @returns {{ [key: string]: ErrorHistoryEntry[] }} B艂臋dy pogrupowane wed艂ug typu
*/
groupErrorsByType() {
const grouped = {};
this.errorHistory.forEach((error) => {
if (!grouped[error.type]) {
grouped[error.type] = [];
}
grouped[error.type].push(error);
});
return grouped;
}
/**
* Czy艣ci histori臋 b艂臋d贸w
*/
clearHistory() {
this.errorHistory = [];
this.errorCounts.clear();
log.info('Error history cleared');
}
}
const errorHandler = new ErrorHandler();
/**
* Wrapper funkcji z automatyczn膮 obs艂ug膮 b艂臋d贸w
* @param {Function} fn - Funkcja do opakowania
* @param {string} context - Kontekst wykonania
* @returns {Function} Opakowana funkcja
*/
export function withErrorHandling(fn, context) {
return async function (...args) {
try {
return await fn.apply(this, args);
}
catch (error) {
const handledError = errorHandler.handle(error, context, {
functionName: fn.name,
arguments: args.length
});
throw handledError;
}
};
}
/**
* Decorator dla metod klasy z automatyczn膮 obs艂ug膮 b艂臋d贸w
* @param {string} context - Kontekst wykonania
*/
export function handleErrors(context) {
return function (target, propertyKey, descriptor) {
const originalMethod = descriptor.value;
descriptor.value = async function (...args) {
try {
return await originalMethod.apply(this, args);
}
catch (error) {
const handledError = errorHandler.handle(error, `${context}.${propertyKey}`, {
className: target.constructor.name,
methodName: propertyKey,
arguments: args.length
});
throw handledError;
}
};
return descriptor;
};
}
/**
* Funkcja pomocnicza do tworzenia b艂臋d贸w walidacji
* @param {string} message - Wiadomo艣膰 b艂臋du
* @param {object} details - Szczeg贸艂y walidacji
* @returns {AppError} B艂膮d walidacji
*/
export function createValidationError(message, details = {}) {
return new AppError(message, ErrorTypes.VALIDATION, details);
}
/**
* Funkcja pomocnicza do tworzenia b艂臋d贸w sieciowych
* @param {string} message - Wiadomo艣膰 b艂臋du
* @param {object} details - Szczeg贸艂y sieci
* @returns {AppError} B艂膮d sieciowy
*/
export function createNetworkError(message, details = {}) {
return new AppError(message, ErrorTypes.NETWORK, details);
}
/**
* Funkcja pomocnicza do tworzenia b艂臋d贸w plik贸w
* @param {string} message - Wiadomo艣膰 b艂臋du
* @param {object} details - Szczeg贸艂y pliku
* @returns {AppError} B艂膮d pliku
*/
export function createFileError(message, details = {}) {
return new AppError(message, ErrorTypes.FILE_IO, details);
}
/**
* Funkcja pomocnicza do bezpiecznego wykonania operacji
* @param {() => Promise<T>} operation - Operacja do wykonania
* @param {T} fallbackValue - Warto艣膰 fallback w przypadku b艂臋du
* @param {string} context - Kontekst operacji
* @returns {Promise<T>} Wynik operacji lub warto艣膰 fallback
*/
export async function safeExecute(operation, fallbackValue, context = 'SafeExecute') {
try {
return await operation();
}
catch (error) {
errorHandler.handle(error, context);
return fallbackValue;
}
}
/**
* Funkcja do retry operacji z exponential backoff
* @param {() => Promise<T>} operation - Operacja do powt贸rzenia
* @param {number} maxRetries - Maksymalna liczba pr贸b
* @param {number} baseDelay - Podstawowe op贸藕nienie w ms
* @param {string} context - Kontekst operacji
* @returns {Promise<T>} Wynik operacji
*/
export async function retryWithBackoff(operation, maxRetries = 3, baseDelay = 1000, context = 'RetryOperation') {
let lastError;
for (let attempt = 0; attempt <= maxRetries; attempt++) {
try {
return await operation();
}
catch (error) {
lastError = error;
if (attempt === maxRetries) {
break;
}
const delay = baseDelay * Math.pow(2, attempt);
log.warn(`Attempt ${attempt + 1} failed, retrying in ${delay}ms`, { error: lastError.message, context });
await new Promise(resolve => setTimeout(resolve, delay));
}
}
throw errorHandler.handle(lastError, context, { attempts: maxRetries + 1 });
}
export { errorHandler };
export default errorHandler;
|