1 files changed, 49 insertions, 0 deletions
diff --git a/lib/dojo/promise/first.js.uncompressed.js b/lib/dojo/promise/first.js.uncompressed.js
new file mode 100644
index 000000000..863573fa1
--- /dev/null
+++ b/lib/dojo/promise/first.js.uncompressed.js
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+define("dojo/promise/first", [
+	"../_base/array",
+	"../Deferred",
+	"../when"
+], function(array, Deferred, when){
+	"use strict";
+
+	// module:
+	//		dojo/promise/first
+
+	var forEach = array.forEach;
+
+	return function first(objectOrArray){
+		// summary:
+		//		Takes multiple promises and returns a new promise that is fulfilled
+		//		when the first of these promises is fulfilled.
+		// description:
+		//		Takes multiple promises and returns a new promise that is fulfilled
+		//		when the first of these promises is fulfilled. Canceling the returned
+		//		promise will *not* cancel any passed promises. The promise will be
+		//		fulfilled with the value of the first fulfilled promise.
+		// objectOrArray: Object|Array?
+		//		The promises are taken from the array or object values. If no value
+		//		is passed, the returned promise is resolved with an undefined value.
+		// returns: dojo/promise/Promise
+
+		var array;
+		if(objectOrArray instanceof Array){
+			array = objectOrArray;
+		}else if(objectOrArray && typeof objectOrArray === "object"){
+			array = [];
+			for(var key in objectOrArray){
+				if(Object.hasOwnProperty.call(objectOrArray, key)){
+					array.push(objectOrArray[key]);
+				}
+			}
+		}
+
+		if(!array || !array.length){
+			return new Deferred().resolve();
+		}
+
+		var deferred = new Deferred();
+		forEach(array, function(valueOrPromise){
+			when(valueOrPromise, deferred.resolve, deferred.reject);
+		});
+		return deferred.promise;	// dojo/promise/Promise
+	};
+});