Package Exports
- map-lru
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Readme
MapLRU
"Least Recently Used" (LRU) cache compatible to ES6 Map
Useful for caching with limited memory usage. API compatible with built-in Map object.
Install
$ npm install map-lruUsage
import MapLRU from 'map-lru'
const cache = new MapLRU(10)
cache.set('♥', '♥♥♥')
cache.has('♥');
//=> true
cache.get('♥');
//=> '♥♥♥'
cache.last
//=> '♥'
cache.size
//=> 1API
new MapLRU(maxSize)
Creates a new instance
Parameters
maxSizeNumber max. size of the LRU cache.
Additional methods
lastReturns the last accessed key.
Returns Any
peek(key)Get an item without marking it as recently used.
Parameters
keyAny
keysAccessed()keys in order of access - last one is most recently used one.
Returns Iterator Iterator object
Default Map methods