Method #removeCacheNode

Cache/LFUCache.js:124–131

()

  }

  #removeCacheNode() {
    const leastFreqSet = this.#frequencyMap.get(this.leastFrequency)
    // Select the least recently used node from the least Frequency set
    const LFUNode = leastFreqSet.values().next().value

    leastFreqSet.delete(LFUNode)
    this.cache.delete(LFUNode.key)
  }

  /**
   * if key exist then return true otherwise false