ERP-node/frontend/lib/caching/codeCache.ts

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/**
*
* .
*/
interface CacheEntry {
data: any;
timestamp: number;
expiry: number;
}
class CodeCache {
private cache = new Map<string, CacheEntry>();
private defaultTTL = 5 * 60 * 1000; // 5분
/**
*
*/
set(key: string, data: any, ttl?: number): void {
const expiry = ttl || this.defaultTTL;
const entry: CacheEntry = {
data,
timestamp: Date.now(),
expiry,
};
this.cache.set(key, entry);
}
/**
*
*/
get(key: string): any | null {
const entry = this.cache.get(key);
if (!entry) {
return null;
}
// TTL 체크
if (Date.now() - entry.timestamp > entry.expiry) {
this.cache.delete(key);
return null;
}
return entry.data;
}
/**
*
*/
delete(key: string): boolean {
return this.cache.delete(key);
}
/**
*
*/
clear(): void {
this.cache.clear();
}
/**
*
*/
cleanup(): void {
const now = Date.now();
for (const [key, entry] of this.cache.entries()) {
if (now - entry.timestamp > entry.expiry) {
this.cache.delete(key);
}
}
}
/**
*
*/
getStats(): { size: number; keys: string[] } {
return {
size: this.cache.size,
keys: Array.from(this.cache.keys()),
};
}
/**
*
*/
createCodeKey(category: string, companyCode?: string): string {
return `code:${category}:${companyCode || "*"}`;
}
}
// 싱글톤 인스턴스 생성
const codeCache = new CodeCache();
// 주기적으로 만료된 캐시 정리 (10분마다)
if (typeof window !== "undefined") {
setInterval(
() => {
codeCache.cleanup();
},
10 * 60 * 1000,
);
}
export default codeCache;
export { CodeCache, codeCache };