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					31 lines
				
				875 B
			
		
		
			
		
	
	
					31 lines
				
				875 B
			| 
											3 years ago
										 | var restArguments = require('./restArguments.js'); | ||
|  | var isFunction = require('./isFunction.js'); | ||
|  | var map = require('./map.js'); | ||
|  | var _deepGet = require('./_deepGet.js'); | ||
|  | var _toPath = require('./_toPath.js'); | ||
|  | 
 | ||
|  | // Invoke a method (with arguments) on every item in a collection.
 | ||
|  | var invoke = restArguments(function(obj, path, args) { | ||
|  |   var contextPath, func; | ||
|  |   if (isFunction(path)) { | ||
|  |     func = path; | ||
|  |   } else { | ||
|  |     path = _toPath(path); | ||
|  |     contextPath = path.slice(0, -1); | ||
|  |     path = path[path.length - 1]; | ||
|  |   } | ||
|  |   return map(obj, function(context) { | ||
|  |     var method = func; | ||
|  |     if (!method) { | ||
|  |       if (contextPath && contextPath.length) { | ||
|  |         context = _deepGet(context, contextPath); | ||
|  |       } | ||
|  |       if (context == null) return void 0; | ||
|  |       method = context[path]; | ||
|  |     } | ||
|  |     return method == null ? method : method.apply(context, args); | ||
|  |   }); | ||
|  | }); | ||
|  | 
 | ||
|  | module.exports = invoke; |