File Content: cache.js 'use strict'; var Cache = module.exports = function Cache() { this._cache = {}; }; Cache.prototype.put = function Cache_put(key, value) { this._cache[key] = value; }; Cache.prototype.get = function Cache_get(key) { return this._cache[key]; }; Cache.prototype.del = function Cache_del(key) { delete this._cache[key]; }; Cache.prototype.clear = function Cache_clear() { this._cache = {}; }; Submit