|  | var apply = require('./_apply'), | 
|  | baseRest = require('./_baseRest'), | 
|  | customDefaultsMerge = require('./_customDefaultsMerge'), | 
|  | mergeWith = require('./mergeWith'); | 
|  |  | 
|  | /** | 
|  | * This method is like `_.defaults` except that it recursively assigns | 
|  | * default properties. | 
|  | * | 
|  | * **Note:** This method mutates `object`. | 
|  | * | 
|  | * @static | 
|  | * @memberOf _ | 
|  | * @since 3.10.0 | 
|  | * @category Object | 
|  | * @param {Object} object The destination object. | 
|  | * @param {...Object} [sources] The source objects. | 
|  | * @returns {Object} Returns `object`. | 
|  | * @see _.defaults | 
|  | * @example | 
|  | * | 
|  | * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } }); | 
|  | * // => { 'a': { 'b': 2, 'c': 3 } } | 
|  | */ | 
|  | var defaultsDeep = baseRest(function(args) { | 
|  | args.push(undefined, customDefaultsMerge); | 
|  | return apply(mergeWith, undefined, args); | 
|  | }); | 
|  |  | 
|  | module.exports = defaultsDeep; |