memory-cache-ttl   

A simple (and performant) in-memory cache with Time To Live functionality.

Install

npm i memory-cache-ttl --save

Usage

``javascript
const cache = require('memory-cache-ttl');

cache.init({ ttl: 3, interval: 1, randomize: false });

cache.set('asd', 'dsa');

console.log(cache.check('asd')); //true

console.log(cache.get('asd')); //dsa

setTimeout(() => {
console.log(cache.check('asd')); //false
console.log(cache.get('asd')); //undefined
}, 5000);

``

API

$3

sets global options

$3

sets value and local TTL (seconds) for key.

$3

returns true/false

$3

returns value of key

$3

deletes value of key

$3

deletes all values

Settings

$3

sets a global TTL

$3

sets TTL expiery-check interval

$3

randomizes the TTL (needs global TTL to be set)

$3

resets the TTL on a cache entry hit with .get()

$3

a promise called on each interval, takes cache entry id as a parameter and can (optional) return a new cache entry value.
if no value is returned, the old cache value is used.