Add image fallback debug logging

app/layout.tsx

@@ -11,6 +11,7 @@ import {
   HTML_LANG,
   NAV_CAPTION,
   SITE_FEEDS_ENABLED,
+  ADMIN_DEBUG_TOOLS_ENABLED,
 } from '@/app/config';
 import AppStateProvider from '@/state/AppStateProvider';
 import ToasterWithThemes from '@/toast/ToasterWithThemes';
@@ -91,7 +92,7 @@ export default function RootLayout({
         // Center on large screens
         '3xl:flex flex-col items-center',
       )}>
-        <AppStateProvider>
+        <AppStateProvider areAdminDebugToolsEnabled={ADMIN_DEBUG_TOOLS_ENABLED}>
           <AppTextProvider>
             <ThemeColors />
             <ThemeProvider attribute="class" defaultTheme={DEFAULT_THEME}>

src/cmdk/CommandK.tsx

@@ -1,7 +1,6 @@
 import CommandKClient from './CommandKClient';
 import { getPhotosMetaCached } from '@/photo/cache';
 import { photoQuantityText } from '@/photo';
-import { ADMIN_DEBUG_TOOLS_ENABLED } from '../app/config';
 import { getDataForCategoriesCached } from '@/category/cache';
 import { getAppText } from '@/i18n/state/server';
 
@@ -21,7 +20,6 @@ export default async function CommandK() {
   return (
     <CommandKClient
       {...categories}
-      showDebugTools={ADMIN_DEBUG_TOOLS_ENABLED}
       footer={photoQuantityText(count, appText, false)}
     />
   );

src/cmdk/CommandKClient.tsx

@@ -122,10 +122,8 @@ export default function CommandKClient({
   recipes,
   films,
   focalLengths,
-  showDebugTools,
   footer,
 }: {
-  showDebugTools?: boolean
   footer?: string
 } & PhotoSetCategories) {
   const pathname = usePathname();
@@ -146,6 +144,7 @@ export default function CommandKClient({
     isGridHighDensity,
     areZoomControlsShown,
     arePhotosMatted,
+    areAdminDebugToolsEnabled,
     shouldShowBaselineGrid,
     shouldDebugImageFallbacks,
     shouldDebugInsights,
@@ -406,7 +405,7 @@ export default function CommandKClient({
     }],
   }];
 
-  if (isUserSignedIn && showDebugTools) {
+  if (isUserSignedIn && areAdminDebugToolsEnabled) {
     clientSections.push({
       heading: 'Debug Tools',
       accessory: <RiToolsFill size={16} className="translate-x-[-1px]" />,
@@ -537,7 +536,7 @@ export default function CommandKClient({
       annotation: <IconLock narrow />,
       path: PATH_ADMIN_CONFIGURATION,
     });
-    if (showDebugTools) {
+    if (areAdminDebugToolsEnabled) {
       adminSection.items.push({
         label: 'Baseline Overview',
         annotation: <BiLockAlt />,

src/components/image/ImageWithFallback.tsx

@@ -10,6 +10,7 @@ import { useCallback, useEffect, useRef, useState } from 'react';
 export default function ImageWithFallback({
   className,
   classNameImage = 'object-cover h-full',
+  debug,
   priority,
   blurDataURL,
   blurCompatibilityLevel = 'low',
@@ -17,8 +18,12 @@ export default function ImageWithFallback({
 }: ImageProps & {
   blurCompatibilityLevel?: 'none' | 'low' | 'high'
   classNameImage?: string
+  debug?: boolean
 }) {
-  const { shouldDebugImageFallbacks } = useAppState();
+  const {
+    shouldDebugImageFallbacks,
+    areAdminDebugToolsEnabled,
+  } = useAppState();
 
   const [wasCached, setWasCached] = useState(true);
   const [isLoading, setIsLoading] = useState(true);
@@ -39,10 +44,28 @@ export default function ImageWithFallback({
     );
   }, []);
 
+  const shouldDebugFallback = areAdminDebugToolsEnabled && debug;
+
+  const debugFallbackStyles = useCallback(() => {
+    const stylesMap = refFallback.current?.computedStyleMap();
+    const styles = stylesMap
+      ? Array.from(stylesMap.entries()).reduce((acc, [key, value]) => {
+        acc[key] = value.toString();
+        return acc;
+      }, {} as Record<string, string>) : {};
+    const opacity = (stylesMap?.get('opacity') as CSSUnitValue)?.value;
+    return {
+      styles,
+      opacity,
+      classList: refFallback.current?.classList,
+    };
+  }, []);
+
+  const outerTimeout = useRef<NodeJS.Timeout>(undefined);
+  const innerTimeout = useRef<NodeJS.Timeout>(undefined);
   useEffect(() => {
     if (!isLoading && !didError) {
-      let innerTimeout: NodeJS.Timeout;
-      const timeout = setTimeout(() => {
+      outerTimeout.current = setTimeout(() => {
         if (refFallback.current) {
           const fallbackOpacity = (refFallback
             .current
@@ -54,22 +77,32 @@ export default function ImageWithFallback({
           if (fallbackOpacity === 0) {
             // Image has loaded and fallback is already hidden
             setHideFallback(true);
+            if (shouldDebugFallback) {
+              console.log('Hide fallback: 01', debugFallbackStyles());
+            }
           } else {
             // Image has loaded but fallback is still visible
             // Delay hiding fallback to avoid abrupt transition
-            innerTimeout = setTimeout(() =>{
-              console.log('Delayed hide fallback');
+            innerTimeout.current = setTimeout(() =>{
               setHideFallback(true);
+              if (shouldDebugFallback) {
+                console.log('Hide fallback: 02', debugFallbackStyles());
+              }
             }, 1000);
           }
         }
       }, 1000);
       return () => {
-        clearTimeout(timeout);
-        clearTimeout(innerTimeout);
+        clearTimeout(outerTimeout.current);
+        clearTimeout(innerTimeout.current);
       };
     }
-  }, [isLoading, didError]);
+  }, [
+    isLoading,
+    didError,
+    shouldDebugFallback,
+    debugFallbackStyles,
+  ]);
 
   const showFallback =
     !wasCached &&

src/photo/PhotoLarge.tsx

@@ -78,6 +78,7 @@ export default function PhotoLarge({
   includeFavoriteInAdminMenu,
   onVisible,
   showAdminKeyCommands,
+  debugImageFallback,
 }: {
   photo: Photo
   className?: string
@@ -104,6 +105,7 @@ export default function PhotoLarge({
   includeFavoriteInAdminMenu?: boolean
   onVisible?: () => void
   showAdminKeyCommands?: boolean
+  debugImageFallback?: boolean
 }) {
   const ref = useRef<HTMLDivElement>(null);
   const refZoomControls = useRef<ZoomControlsRef>(null);
@@ -224,6 +226,7 @@ export default function PhotoLarge({
           blurDataURL={photo.blurData}
           blurCompatibilityMode={doesPhotoNeedBlurCompatibility(photo)}
           priority={priority}
+          debug={debugImageFallback}
         />
       </ZoomControls>
       <div className={clsx(

src/photo/PhotosLarge.tsx

@@ -35,6 +35,7 @@ export default function PhotosLarge({
           onVisible={index === photos.length - 1
             ? onLastPhotoVisible
             : undefined}
+          debugImageFallback={index === 0}
         />)}
       itemKeys={photos.map(photo => photo.id)}
     />

src/state/AppState.ts

@@ -64,6 +64,7 @@ export type AppStateContextType = {
   setUploadState?: (uploadState: Partial<UploadState>) => void
   resetUploadState?: () => void
   // DEBUG
+  areAdminDebugToolsEnabled?: boolean
   isGridHighDensity?: boolean
   setIsGridHighDensity?: Dispatch<SetStateAction<boolean>>
   areZoomControlsShown?: boolean

src/state/AppStateProvider.tsx

@@ -30,8 +30,10 @@ import { toastSuccess } from '@/toast';
 
 export default function AppStateProvider({
   children,
+  areAdminDebugToolsEnabled,
 }: {
   children: ReactNode
+  areAdminDebugToolsEnabled?: boolean
 }) {
   const router = useRouter();
 
@@ -243,6 +245,7 @@ export default function AppStateProvider({
         setUploadState,
         resetUploadState,
         // DEBUG
+        areAdminDebugToolsEnabled,
         isGridHighDensity,
         setIsGridHighDensity,
         areZoomControlsShown,