Jira MCP Toolset

/** * Project cache utility * * This file implements caching functionality for Jira projects * to reduce API calls and improve performance. */ import { Failure, Success } from '../../utils/try' import type Try from '../../utils/try' import type { JiraProject } from '../types/project.types' // Cache configuration const CACHE_TTL_MS = 5 * 60 * 1000 // 5 minutes let projectsCache: { data: JiraProject[] timestamp: number } | null = null /** * Checks if the cache is still valid * @returns Boolean indicating if cache is valid */ export function isCacheValid(): boolean { if (!projectsCache) return false const now = Date.now() const cacheAge = now - projectsCache.timestamp return cacheAge < CACHE_TTL_MS } /** * Updates the projects cache with new data * @param projects The projects data to cache */ export function updateCache(projects: JiraProject[]): void { projectsCache = { data: projects, timestamp: Date.now(), } } /** * Gets the cached projects * @returns A Result containing either the cached projects or an error */ export function getFromCache(): Try<JiraProject[]> { if (!projectsCache) { return Failure(new Error('Cache is not initialized')) } return Success(projectsCache.data) } /** * Gets the cached projects directly without Try wrapping * Should only be called after checking isCacheValid() */ export function getFromCacheUnsafe(): JiraProject[] { if (!projectsCache) return [] return projectsCache.data } /** * Clears the projects cache */ export function clearCache(): void { projectsCache = null }