From df143b486bdb2bb80a7d8be4bcce5be4e9fe4130 Mon Sep 17 00:00:00 2001
From: Pawel Kozlowski <pkozlowski.opensource@gmail.com>
Date: Thu, 23 Jan 2025 14:38:19 +0100
Subject: [PATCH] refactor(core): remove unused LifecycleHooksFeature (#59678)

LifecycleHooksFeature seems to be unused and can be deleted.

PR Close #59678
---
 .../core/src/core_render3_private_export.ts   |  1 -
 packages/core/src/render3/component_ref.ts    | 19 -------------------
 packages/core/src/render3/index.ts            |  2 --
 3 files changed, 22 deletions(-)

diff --git a/packages/core/src/core_render3_private_export.ts b/packages/core/src/core_render3_private_export.ts
index 86ac1107201..3f153e2e0fd 100644
--- a/packages/core/src/core_render3_private_export.ts
+++ b/packages/core/src/core_render3_private_export.ts
@@ -48,7 +48,6 @@ export {
   DirectiveType as ɵDirectiveType,
   getDirectives as ɵgetDirectives,
   getHostElement as ɵgetHostElement,
-  LifecycleHooksFeature as ɵLifecycleHooksFeature,
   NgModuleFactory as ɵNgModuleFactory,
   NgModuleRef as ɵRender3NgModuleRef,
   NgModuleType as ɵNgModuleType,
diff --git a/packages/core/src/render3/component_ref.ts b/packages/core/src/render3/component_ref.ts
index 204d6484df5..af205b40d58 100644
--- a/packages/core/src/render3/component_ref.ts
+++ b/packages/core/src/render3/component_ref.ts
@@ -521,22 +521,3 @@ function projectNodes(
     projection.push(nodesforSlot != null && nodesforSlot.length ? Array.from(nodesforSlot) : null);
   }
 }
-
-/**
- * Used to enable lifecycle hooks on the root component.
- *
- * Include this feature when calling `renderComponent` if the root component
- * you are rendering has lifecycle hooks defined. Otherwise, the hooks won't
- * be called properly.
- *
- * Example:
- *
- * ```ts
- * renderComponent(AppComponent, {hostFeatures: [LifecycleHooksFeature]});
- * ```
- */
-export function LifecycleHooksFeature(): void {
-  const tNode = getCurrentTNode()!;
-  ngDevMode && assertDefined(tNode, 'TNode is required');
-  registerPostOrderHooks(getLView()[TVIEW], tNode);
-}
diff --git a/packages/core/src/render3/index.ts b/packages/core/src/render3/index.ts
index 6b0a2b1b706..5e5841bc23a 100644
--- a/packages/core/src/render3/index.ts
+++ b/packages/core/src/render3/index.ts
@@ -5,7 +5,6 @@
  * Use of this source code is governed by an MIT-style license that can be
  * found in the LICENSE file at https://angular.dev/license
  */
-import {LifecycleHooksFeature} from './component_ref';
 import {ɵɵdefineComponent, ɵɵdefineDirective, ɵɵdefineNgModule, ɵɵdefinePipe} from './definition';
 import {ɵɵCopyDefinitionFeature} from './features/copy_definition_feature';
 import {ɵɵHostDirectivesFeature} from './features/host_directives_feature';
@@ -235,7 +234,6 @@ export {
   getDirectives,
   getHostElement,
   getRenderedText,
-  LifecycleHooksFeature,
   PipeDef,
   ɵɵComponentDeclaration,
   ɵɵCopyDefinitionFeature,