|  | var baseIsDate = require('./_baseIsDate'), | 
|  | baseUnary = require('./_baseUnary'), | 
|  | nodeUtil = require('./_nodeUtil'); | 
|  |  | 
|  | /* Node.js helper references. */ | 
|  | var nodeIsDate = nodeUtil && nodeUtil.isDate; | 
|  |  | 
|  | /** | 
|  | * Checks if `value` is classified as a `Date` object. | 
|  | * | 
|  | * @static | 
|  | * @memberOf _ | 
|  | * @since 0.1.0 | 
|  | * @category Lang | 
|  | * @param {*} value The value to check. | 
|  | * @returns {boolean} Returns `true` if `value` is a date object, else `false`. | 
|  | * @example | 
|  | * | 
|  | * _.isDate(new Date); | 
|  | * // => true | 
|  | * | 
|  | * _.isDate('Mon April 23 2012'); | 
|  | * // => false | 
|  | */ | 
|  | var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate; | 
|  |  | 
|  | module.exports = isDate; |