From 53b92ad83a916f4a159fa544521c82dec7e08312 Mon Sep 17 00:00:00 2001
From: Hristo Hristov <Hristo.Hristov@telerik.com>
Date: Thu, 26 Oct 2017 11:58:19 +0300
Subject: [PATCH] Fix broken TS

---
 tns-core-modules/ui/page/page.ios.ts | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/tns-core-modules/ui/page/page.ios.ts b/tns-core-modules/ui/page/page.ios.ts
index b22858e9f..c36efccbc 100644
--- a/tns-core-modules/ui/page/page.ios.ts
+++ b/tns-core-modules/ui/page/page.ios.ts
@@ -195,10 +195,11 @@ class UIViewControllerImpl extends UIViewController {
         const tab = this.tabBarController;
         if (!owner._presentedViewController && frame && frame.currentPage === owner) {
             const willSelectViewController = tab && (<any>tab)._willSelectViewController;
-            if (!willSelectViewController 
+            if (!willSelectViewController
                 || willSelectViewController === tab.selectedViewController) {
-            let isBack = isBackNavigationFrom(this, owner);
-            owner.onNavigatingFrom(isBack);
+                let isBack = isBackNavigationFrom(this, owner);
+                owner.onNavigatingFrom(isBack);
+            }
         }
 
         //https://github.com/NativeScript/NativeScript/issues/1201