Merge pull request #2281 from jlerasmus/Kolite-AsyncCommand-IsExecuting

Kolite - Added KoliteAsyncCommand interface (makes "isExecuting" public)

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);

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 {