Method get

Cache/LFUCache.js:150–164

* @method get * @description - This method return the value of key & refresh the frequencyMap by the oldNode * @param {string} key * @returns {any}

(key)

   * @returns {any}
   */
  get(key) {
    key = String(key) // converted to string

    if (this.cache.has(key)) {
      const oldNode = this.cache.get(key)
      this.#frequencyMap.refresh(oldNode)

      this.hits++

      return oldNode.value
    }

    this.misses++
    return null
  }

  /**
   * @method set