From 230a941c3fcb6f480ecd5c668c9d0959a62e710c Mon Sep 17 00:00:00 2001
From: Ben Lesh <ben@benlesh.com>
Date: Wed, 20 Feb 2019 18:06:05 -0800
Subject: [PATCH] refactor(ivy): remove superfluous isComponentDef function
 (#28880)

PR Close #28880
---
 .../render3/features/inherit_definition_feature.ts  | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/packages/core/src/render3/features/inherit_definition_feature.ts b/packages/core/src/render3/features/inherit_definition_feature.ts
index 7305c619f2..5b6c667a02 100644
--- a/packages/core/src/render3/features/inherit_definition_feature.ts
+++ b/packages/core/src/render3/features/inherit_definition_feature.ts
@@ -7,24 +7,13 @@
  */
 
 import {Type} from '../../interface/type';
-import {Component} from '../../metadata/directives';
 import {fillProperties} from '../../util/property';
 import {EMPTY_ARRAY, EMPTY_OBJ} from '../empty';
 import {ComponentDef, DirectiveDef, DirectiveDefFeature, RenderFlags} from '../interfaces/definition';
+import {isComponentDef} from '../util';
 
 import {NgOnChangesFeature} from './ng_onchanges_feature';
 
-
-/**
- * Determines if a definition is a {@link ComponentDef} or a {@link DirectiveDef}
- * @param definition The definition to examine
- */
-function isComponentDef<T>(definition: ComponentDef<T>| DirectiveDef<T>):
-    definition is ComponentDef<T> {
-  const def = definition as ComponentDef<T>;
-  return typeof def.template === 'function';
-}
-
 function getSuperType(type: Type<any>): Type<any>&
     {ngComponentDef?: ComponentDef<any>, ngDirectiveDef?: DirectiveDef<any>} {
   return Object.getPrototypeOf(type.prototype).constructor;