_SetCache.js (632B)
1 var MapCache = require('./_MapCache'), 2 setCacheAdd = require('./_setCacheAdd'), 3 setCacheHas = require('./_setCacheHas'); 4 5 /** 6 * 7 * Creates an array cache object to store unique values. 8 * 9 * @private 10 * @constructor 11 * @param {Array} [values] The values to cache. 12 */ 13 function SetCache(values) { 14 var index = -1, 15 length = values == null ? 0 : values.length; 16 17 this.__data__ = new MapCache; 18 while (++index < length) { 19 this.add(values[index]); 20 } 21 } 22 23 // Add methods to `SetCache`. 24 SetCache.prototype.add = SetCache.prototype.push = setCacheAdd; 25 SetCache.prototype.has = setCacheHas; 26 27 module.exports = SetCache;