From 7197351c94cd863f96fcf28abe6d09a3bd6e0b54 Mon Sep 17 00:00:00 2001
From: Jaco Erasmus <jlerasmus@gmail.com>
Date: Wed, 4 Jun 2014 15:44:48 +0200
Subject: [PATCH 1/2] Added - KoliteAsyncCommand interface (makes "isExecuting"
 public)

---
 kolite/kolite.d.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/kolite/kolite.d.ts b/kolite/kolite.d.ts
index 42efda4a9..4aa55fd81 100644
--- a/kolite/kolite.d.ts
+++ b/kolite/kolite.d.ts
@@ -58,6 +58,10 @@ interface KoliteCommand {
     execute(...args: any[]): any;
 }
 
+interface KoliteAsyncCommand extends KoliteCommand {
+    isExecuting: KnockoutObservable<boolean>;
+}
+
 interface KoLiteCommandOptions {
     execute?: any;
     canExecute?: (isExecuting: boolean) => any;
@@ -65,7 +69,7 @@ interface KoLiteCommandOptions {
 
 interface KnockoutStatic {
     command(options: KoLiteCommandOptions): KoliteCommand;
-    asyncCommand(optons: KoLiteCommandOptions): KoliteCommand;
+    asyncCommand(optons: KoLiteCommandOptions): KoliteAsyncCommand;
 }
 
 interface KnockoutUtils {

From e4426f902b38582f86c04cecb6cf2821affe5f87 Mon Sep 17 00:00:00 2001
From: Jaco Erasmus <jlerasmus@gmail.com>
Date: Wed, 4 Jun 2014 16:44:50 +0200
Subject: [PATCH 2/2] Kolite - Added asyncCommand.isExecuting() unit test

---
 kolite/kolite-tests.ts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/kolite/kolite-tests.ts b/kolite/kolite-tests.ts
index f2013241d..4306ede53 100644
--- a/kolite/kolite-tests.ts
+++ b/kolite/kolite-tests.ts
@@ -30,6 +30,22 @@ function test_asyncCommand() {
     });
 }
 
+function test_asyncCommand_isExecuting() {
+    var primaryCommand = ko.asyncCommand({
+        execute: (complete) => {
+            $.when().always(complete);
+        },
+        canExecute: (isExecuting) => {
+            return !isExecuting;
+        }
+    });
+
+    var firstRun = true;
+    var canCancel = ko.computed(() => {
+        return firstRun && !primaryCommand.isExecuting();
+    });
+}
+
 function test_dirtyFlag() {
     var viewModel;
     viewModel.dirtyFlag = new ko.DirtyFlag(viewModel.model);