| var nativeCreate = require('./_nativeCreate'); |
| |
| /** Used for built-in method references. */ |
| var objectProto = Object.prototype; |
| |
| /** Used to check objects for own properties. */ |
| var hasOwnProperty = objectProto.hasOwnProperty; |
| |
| /** |
| * Checks if a hash value for `key` exists. |
| * |
| * @private |
| * @name has |
| * @memberOf Hash |
| * @param {string} key The key of the entry to check. |
| * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. |
| */ |
| function hashHas(key) { |
| var data = this.__data__; |
| return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key); |
| } |
| |
| module.exports = hashHas; |