i-cache

The simplest in-memory cache which store and get objects as pure json structure.

Maybe your replacement when u don't have memcached.

Installation

$ npm install i-cache

Usage

var iCache = require('i-cache');

API

Public methods

iCache.set cache with the given key.

• key: String The key
• value Object The value, will be stored with JSON.stringify
• lifetime: Number (Optional) After how long should the key expire measured in seconds
• callback: Function (Optional)

iCache.set('hi', 'Hello World');

iCache.get get by key.

• key: String The key
• callback: Function (Optional)

var value = iCache.get('hi');//Hello World

equals to

iCache.get('hi', function(e, value){
  console.log(value);//Hello World
});

iCache.del delete by key.

iCache.del('hi');
var value = iCache.get('hi');//undefined

iCache.reset empty all the caches.

iCache.reset();

iCache.keys return all the keys of cache objects.

iCache.reset();
iCache.set('hi', 1);
iCache.set('hello', 1);
iCache.keys;//["hi", "hello"]

iCache.stats .

var stats = iCache.stats();
/** what stats looks like:
{
  hits: 0,//the number of cache hits
  misses: 0,//the number of cache misses
  keys: 0//the total number of cached keys 
}
**/