LRUCache-Map

Simple LRUCache implementation based on JavaScript Map.

Usage

Class initialization with the capacity

const LRU = new LRUCache(3); 

Store

Stores the given key value pair

LRU.set(`product-item-3521`, `1562`)

Retrieve

Gets the value of the key

LRU.get(`product-item-3521`)

Cache Size

Returns the size of the cache

LRU.size()

Check the value exist

Checks the key in currently in cache.

LRU.has(`product-item-3521`)

Stored Keys

Returns the keys of actively stored values

LRU.keys()

Accessing the first item of the cache

LRU.getFirst()

Clear

Removes all the values from cache

LRU.clear()