jQuery:Added generic always/done/fail/progress

jquery/jquery-tests.ts

@@ -898,6 +898,18 @@ function test_dblclick() {
 }
 
 function test_deferred() {
+
+    function returnPromise(): JQueryPromise<(data: { MyString: string; MyNumber: number; }, textStatus: string, jqXHR: JQueryXHR) => any> {
+        return $.ajax("test.php");
+    }
+    var x = returnPromise();
+    x.done((data, textStatus, jqXHR) => {
+        var myNumber: number = data.MyNumber;
+        var myString: string = data.MyString;
+        var theTextStatus: string = textStatus;
+        var thejqXHR: JQueryXHR = jqXHR;
+    });
+
     $.get("test.php").always(function () {
         alert("$.get completed with success or error callback arguments");
     });

jquery/jquery.d.ts

@@ -94,6 +94,12 @@ interface JQueryGenericPromise<T> {
     Interface for the JQuery promise, part of callbacks
 */
 interface JQueryPromise<T> {
+    // Generic versions of callbacks
+    always(...alwaysCallbacks: T[]): JQueryPromise<T>;
+    done(...doneCallbacks: T[]): JQueryPromise<T>;
+    fail(...failCallbacks: T[]): JQueryPromise<T>;
+    progress(...progressCallbacks: T[]): JQueryPromise<T>;
+
     always(...alwaysCallbacks: any[]): JQueryPromise<T>;
     done(...doneCallbacks: any[]): JQueryPromise<T>;
     fail(...failCallbacks: any[]): JQueryPromise<T>;