File Operation MCP Server

/** * Timeout utility for operations * Provides timeout functionality with AbortController */ export interface TimeoutOptions { timeout?: number; // timeout in milliseconds signal?: AbortSignal; } /** * Wraps a promise with timeout functionality * @param promise The promise to wrap * @param timeoutMs Timeout in milliseconds * @param timeoutMessage Custom timeout message * @returns Promise that rejects with timeout error if timeout is exceeded */ export function withTimeout<T>( promise: Promise<T>, timeoutMs: number, timeoutMessage: string = `Operation timed out after ${timeoutMs}ms` ): Promise<T> { return new Promise((resolve, reject) => { const timeoutId = setTimeout(() => { reject(new Error(timeoutMessage)); }, timeoutMs); promise .then((result) => { clearTimeout(timeoutId); resolve(result); }) .catch((error) => { clearTimeout(timeoutId); reject(error); }); }); } /** * Creates an AbortController with timeout * @param timeoutMs Timeout in milliseconds * @returns AbortController that will abort after timeout */ export function createTimeoutController(timeoutMs: number): AbortController { const controller = new AbortController(); const timeoutId = setTimeout(() => { controller.abort(); }, timeoutMs); // Clear timeout if operation completes const originalSignal = controller.signal; const cleanup = () => clearTimeout(timeoutId); originalSignal.addEventListener('abort', cleanup); return controller; } /** * Validates and normalizes timeout value * @param timeout Timeout value from parameters * @param defaultTimeout Default timeout in seconds * @param maxTimeout Maximum allowed timeout in seconds * @returns Timeout in milliseconds */ export function normalizeTimeout( timeout?: number, defaultTimeout: number = 120, maxTimeout: number = 600 ): number { const timeoutSeconds = timeout ?? defaultTimeout; const clampedTimeout = Math.min(Math.max(timeoutSeconds, 1), maxTimeout); return clampedTimeout * 1000; // Convert to milliseconds }