lol-js/lib/cache/lruCache.js

Node.js bindings for the Riot API, with caching and rate limiting

// Generated by CoffeeScript 1.9.2
(function() {
  var LRU, LRUCache, ld;

  ld = require('lodash');

  LRU = require('lru-cache');

  module.exports = LRUCache = (function() {
    function LRUCache(options) {
      this.cache = LRU(options);
    }

    LRUCache.prototype.get = function(params, cb) {
      return setImmediate((function(_this) {
        return function() {
          var answer, cacheEntry;
          if (params.key == null) {
            cb(new Error("Missing key"));
          }
          cacheEntry = _this.cache.get(params.key);
          if (cacheEntry != null) {
            answer = (cacheEntry.expires != null) && (Date.now() > cacheEntry.expires) ? null : ld.cloneDeep(cacheEntry.value);
          }
          return cb(null, answer);
        };
      })(this));
    };

    LRUCache.prototype.set = function(params, value) {
      return this.cache.set(params.key, {
        expires: params.ttl != null ? Date.now() + params.ttl * 1000 : null,
        value: ld.cloneDeep(value)
      });
    };

    return LRUCache;

  })();

}).call(this);