1var mapCacheClear = require('./_mapCacheClear'), 2 mapCacheDelete = require('./_mapCacheDelete'), 3 mapCacheGet = require('./_mapCacheGet'), 4 mapCacheHas = require('./_mapCacheHas'), 5 mapCacheSet = require('./_mapCacheSet'); 6 7/** 8 * Creates a map cache object to store key-value pairs. 9 * 10 * @private 11 * @constructor 12 * @param {Array} [entries] The key-value pairs to cache. 13 */ 14function MapCache(entries) { 15 var index = -1, 16 length = entries == null ? 0 : entries.length; 17 18 this.clear(); 19 while (++index < length) { 20 var entry = entries[index]; 21 this.set(entry[0], entry[1]); 22 } 23} 24 25// Add methods to `MapCache`. 26MapCache.prototype.clear = mapCacheClear; 27MapCache.prototype['delete'] = mapCacheDelete; 28MapCache.prototype.get = mapCacheGet; 29MapCache.prototype.has = mapCacheHas; 30MapCache.prototype.set = mapCacheSet; 31 32module.exports = MapCache; 33