NodeBB/src/posts/cache.js

var	LRU = require('lru-cache');
var meta = require('../meta');

var cache = LRU({
	max: parseInt(meta.config.postCacheSize, 10) || 1048576,
	length: function (n) { return n.length; },
	maxAge: 1000 * 60 * 60
});

module.exports = cache;