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					19 lines
				
				542 B
			
		
		
			
		
	
	
					19 lines
				
				542 B
			| 
											3 years ago
										 | var _has = require('./_has.js'); | ||
|  | var _toPath = require('./_toPath.js'); | ||
|  | 
 | ||
|  | // Shortcut function for checking if an object has a given property directly on
 | ||
|  | // itself (in other words, not on a prototype). Unlike the internal `has`
 | ||
|  | // function, this public version can also traverse nested properties.
 | ||
|  | function has(obj, path) { | ||
|  |   path = _toPath(path); | ||
|  |   var length = path.length; | ||
|  |   for (var i = 0; i < length; i++) { | ||
|  |     var key = path[i]; | ||
|  |     if (!_has(obj, key)) return false; | ||
|  |     obj = obj[key]; | ||
|  |   } | ||
|  |   return !!length; | ||
|  | } | ||
|  | 
 | ||
|  | module.exports = has; |