From 6847e002dca0c57cb82e12f5fa905e3bf674dfed Mon Sep 17 00:00:00 2001
From: "saranya.r" <saranya.r@zohocorp.com>
Date: Tue, 2 Feb 2016 23:04:17 +0530
Subject: [PATCH] fixes emberjs/ember.js#12506

---
 packages/htmlbars-runtime/lib/hooks.js   |  7 +++++++
 packages/htmlbars-runtime/tests/hooks.js | 19 +++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/packages/htmlbars-runtime/lib/hooks.js b/packages/htmlbars-runtime/lib/hooks.js
index fc3f7c6a..35b46529 100644
--- a/packages/htmlbars-runtime/lib/hooks.js
+++ b/packages/htmlbars-runtime/lib/hooks.js
@@ -944,6 +944,13 @@ export function subexpr(env, scope, helperName, params, hash) {
   resolve a path relative to the current scope.
 */
 export function get(env, scope, path) {
+  if (env.hooks.hasHelper(env, scope, path)) {
+    var helper = env.hooks.lookupHelper(env, scope, path);
+    var result = env.hooks.invokeHelper(null, env, scope, null, [], {}, helper, {});
+    if (result && 'value' in result) {
+      return env.hooks.getValue(result.value);
+    }
+  }
   if (path === '') {
     return scope.self;
   }
diff --git a/packages/htmlbars-runtime/tests/hooks.js b/packages/htmlbars-runtime/tests/hooks.js
index 41aae231..28d5f30f 100644
--- a/packages/htmlbars-runtime/tests/hooks.js
+++ b/packages/htmlbars-runtime/tests/hooks.js
@@ -69,3 +69,22 @@ test("subexr hook correctly handles false-like values", function() {
   equalTokens(result.fragment, '<div data-foo=""></div>');
 
 });
+
+
+test('parameter less helpers are handled correctly', function() {
+  registerHelper('app-url', function() {
+    return 'https://samplewebsite.com';
+  });
+
+  var object = { val: true};
+  var template = compile('<a href="{{app-url}}"></a>');
+  var result = template.render(object, env);
+
+  equalTokens(result.fragment, '<a href="https://samplewebsite.com"></a>');
+
+  object.val = false;
+
+  result.rerender();
+
+  equalTokens(result.fragment, '<a href="https://samplewebsite.com"></a>');
+});