MCP WordPress Server

/** * Error Handler Implementation * Provides standardized error handling and logging for managers */ import { WordPressAPIError } from "@/types/client.js"; import { debug, logError } from "@/utils/debug.js"; import { getErrorMessage } from "@/utils/error.js"; import type { ErrorHandler, ConfigurationProvider } from "@/client/managers/interfaces/ManagerInterfaces.js"; export class ErrorHandlerImpl implements ErrorHandler { constructor(private configProvider: ConfigurationProvider) {} /** * Handle and transform errors with context */ handleError(error: unknown, operation: string): never { logError(`${operation} failed:`, error as Record<string, unknown>); if (error instanceof WordPressAPIError) { throw error; } // Type guard for error-like objects const isErrorLike = (err: unknown): err is { name?: string; code?: string; message?: string } => { return typeof err === "object" && err !== null; }; if (isErrorLike(error)) { if (error.name === "AbortError" || error.code === "ABORT_ERR") { throw new WordPressAPIError(`Request timeout after ${this.configProvider.config.timeout}ms`, 408, "timeout"); } if (error.code === "ECONNREFUSED" || error.code === "ENOTFOUND") { throw new WordPressAPIError( `Cannot connect to WordPress site: ${this.configProvider.config.baseUrl}`, 503, "connection_failed", ); } } const message = getErrorMessage(error); throw new WordPressAPIError(`${operation} failed: ${message}`, 500, "unknown_error"); } /** * Log successful operations */ logSuccess(operation: string, details?: unknown): void { debug.log(`${operation} completed successfully`, details); } /** * Handle authentication errors specifically */ handleAuthError(error: unknown, operation: string): never { logError(`Authentication failed during ${operation}:`, error as Record<string, unknown>); if (error instanceof WordPressAPIError) { throw error; } const message = getErrorMessage(error); throw new WordPressAPIError(`Authentication failed during ${operation}: ${message}`, 401, "auth_failed"); } /** * Handle rate limit errors specifically */ handleRateLimitError(retryAfter?: number): never { const message = retryAfter ? `Rate limit exceeded. Retry after ${retryAfter} seconds.` : "Rate limit exceeded."; throw new WordPressAPIError(message, 429, "rate_limited"); } /** * Create context-aware error */ createContextualError(baseError: unknown, context: Record<string, unknown>): WordPressAPIError { const message = getErrorMessage(baseError); const contextString = Object.entries(context) .map(([key, value]) => `${key}=${String(value)}`) .join(", "); return new WordPressAPIError(`${message} (Context: ${contextString})`, 500, "contextual_error"); } }