Simple Cache Class

cache.js

export class CacheMap {
  private cache: Map<string, Cache>;

  private expiration_time: number; // Tempo de expiração em segundos

  constructor(expiration?: number) {
    this.cache = new Map();
    this.expiration_time = expiration || 60;
  }

  get(key: string) {
    const value = this.cache.get(key);

    if (value) {
      const now = new Date().getTime();

      if (value.expiresIn < now) {
        this.invalidate(key);
        return null;
      }

      return value;
    }

    return null;
  }

  set(key: string, value: Cache) {
    const exp_time = new Date().getTime() + this.expiration_time * 1000;

    this.cache.set(key, {
      ...value,
      expiresIn: exp_time,
    });
  }

  invalidate(key: string) {
    this.cache.delete(key);
  }

  invalidateAllByPrefix(prefix: string) {
    this.cache.forEach((value, key) => {
      if (key.startsWith(prefix)) {
        this.cache.delete(key);
      }
    });
  }
}