fix(nav): tabs should not dereg child navs

adamdbradley · adamdbradley · commit f3ddb0bfd1e0 · 2016-04-21T11:15:20.000-05:00
Closes #6267
diff --git a/ionic/components/nav/nav-controller.ts b/ionic/components/nav/nav-controller.ts
@@ -1399,7 +1399,7 @@ export class NavController extends Ion {
     }
     this._views.length = 0;
 
-    if (this.parent) {
+    if (this.parent && this.parent.unregisterChildNav) {
       this.parent.unregisterChildNav(this);
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -1399,7 +1399,7 @@ export class NavController extends Ion {`
`1399`	`1399`	`}`
`1400`	`1400`	`this._views.length = 0;`
`1401`	`1401`
`1402`		`- if (this.parent) {`
	`1402`	`+ if (this.parent && this.parent.unregisterChildNav) {`
`1403`	`1403`	`this.parent.unregisterChildNav(this);`
`1404`	`1404`	`}`
`1405`	`1405`	`}`