From ddfc833df9e40d9c427c0300a41e195e5e398767 Mon Sep 17 00:00:00 2001
From: SkyZeroZx <73321943+SkyZeroZx@users.noreply.github.com>
Date: Mon, 2 Feb 2026 12:48:17 -0500
Subject: [PATCH] refactor(common): improve image directive typings

Add image directive typings to improve type safety and removes an unused parameter from the observer registration.
---
 goldens/public-api/common/index.api.md                      | 2 +-
 .../src/directives/ng_optimized_image/lcp_image_observer.ts | 2 +-
 .../src/directives/ng_optimized_image/ng_optimized_image.ts | 6 +++---
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/goldens/public-api/common/index.api.md b/goldens/public-api/common/index.api.md
index f3defb0135d..0c4103c9880 100644
--- a/goldens/public-api/common/index.api.md
+++ b/goldens/public-api/common/index.api.md
@@ -639,7 +639,7 @@ export class NgOptimizedImage implements OnInit, OnChanges {
     static ngAcceptInputType_priority: unknown;
     // (undocumented)
     static ngAcceptInputType_width: unknown;
-    ngOnChanges(changes: SimpleChanges): void;
+    ngOnChanges(changes: SimpleChanges<NgOptimizedImage>): void;
     ngOnInit(): void;
     ngSrc: string;
     ngSrcset: string;
diff --git a/packages/common/src/directives/ng_optimized_image/lcp_image_observer.ts b/packages/common/src/directives/ng_optimized_image/lcp_image_observer.ts
index b94dc1225de..0de0e1a7573 100644
--- a/packages/common/src/directives/ng_optimized_image/lcp_image_observer.ts
+++ b/packages/common/src/directives/ng_optimized_image/lcp_image_observer.ts
@@ -92,7 +92,7 @@ export class LCPImageObserver implements OnDestroy {
     return observer;
   }
 
-  registerImage(rewrittenSrc: string, originalNgSrc: string, isPriority: boolean) {
+  registerImage(rewrittenSrc: string, isPriority: boolean) {
     if (!this.observer) return;
     const newObservedImageState: ObservedImageState = {
       priority: isPriority,
diff --git a/packages/common/src/directives/ng_optimized_image/ng_optimized_image.ts b/packages/common/src/directives/ng_optimized_image/ng_optimized_image.ts
index 44739451e3a..8dd9a3ad89e 100644
--- a/packages/common/src/directives/ng_optimized_image/ng_optimized_image.ts
+++ b/packages/common/src/directives/ng_optimized_image/ng_optimized_image.ts
@@ -283,7 +283,7 @@ export class NgOptimizedImage implements OnInit, OnChanges {
   /**
    * Calculate the rewritten `src` once and store it.
    * This is needed to avoid repetitive calculations and make sure the directive cleanup in the
-   * `ngOnDestroy` does not rely on the `IMAGE_LOADER` logic (which in turn can rely on some other
+   * `DestroyRef.onDestroy` does not rely on the `IMAGE_LOADER` logic (which in turn can rely on some other
    * instance that might be already destroyed).
    */
   private _renderedSrc: string | null = null;
@@ -454,7 +454,7 @@ export class NgOptimizedImage implements OnInit, OnChanges {
       assertNoLoaderParamsWithoutLoader(this, this.imageLoader);
 
       ngZone.runOutsideAngular(() => {
-        this.lcpObserver!.registerImage(this.getRewrittenSrc(), this.ngSrc, this.priority);
+        this.lcpObserver!.registerImage(this.getRewrittenSrc(), this.priority);
       });
 
       if (this.priority) {
@@ -523,7 +523,7 @@ export class NgOptimizedImage implements OnInit, OnChanges {
   }
 
   /** @docs-private */
-  ngOnChanges(changes: SimpleChanges) {
+  ngOnChanges(changes: SimpleChanges<NgOptimizedImage>) {
     if (ngDevMode) {
       assertNoPostInitInputChange(this, changes, [
         'ngSrcset',