Shared useinview

src/app/(static)/about-us/page.tsx

@@ -1,46 +1,13 @@
 'use client';
-import { useRef } from 'react';
-import Image from 'next/image';
 import pralinePic from '/public/images/about-us/01-praline.jpg';
 import prAmPic from '/public/images/about-us/02-priyanka-amritanshu.jpg';
 import dryingPic from '/public/images/about-us/03-drying.jpg';
 import chefPic from '/public/images/about-us/04-chef.jpg';
 import barkPic from '/public/images/about-us/05-bark.jpg';
 import italyPic from '/public/images/about-us/06-italy.jpg';
-import useInView from '@/hooks/useInView';
+import { AnimatedImage } from '@/components/animated-image';
 
 export default function AboutUsPage() {
-  const pralinePicRef = useRef<HTMLImageElement>(null);
-  const isPralinePic = useInView(pralinePicRef, {
-    threshold: 0.1,
-    triggerOnce: true,
-  });
-  const prAmPicRef = useRef<HTMLImageElement>(null);
-  const isPrAmPic = useInView(prAmPicRef, {
-    threshold: 0.1,
-    triggerOnce: true,
-  });
-  const dryingPicRef = useRef<HTMLImageElement>(null);
-  const isDryingPic = useInView(dryingPicRef, {
-    threshold: 0.1,
-    triggerOnce: true,
-  });
-  const chefPicRef = useRef<HTMLImageElement>(null);
-  const isChefPic = useInView(chefPicRef, {
-    threshold: 0.1,
-    triggerOnce: true,
-  });
-  const barkPicRef = useRef<HTMLImageElement>(null);
-  const isBarkPic = useInView(barkPicRef, {
-    threshold: 0.1,
-    triggerOnce: true,
-  });
-  const italyPicRef = useRef<HTMLImageElement>(null);
-  const isItalyPic = useInView(italyPicRef, {
-    threshold: 0.1,
-    triggerOnce: true,
-  });
-
   return (
     <div className='overflow-x-hidden bg-white pt-28'>
       <section className='flex flex-col items-center'>
@@ -58,27 +25,27 @@ export default function AboutUsPage() {
           chocolate-making.
         </div>
         <div className='w-full'>
-          <Image
-            ref={pralinePicRef}
+          <AnimatedImage
             src={pralinePic}
             alt='Praline'
-            className={`w-full h-auto zoom ${isPralinePic ? 'post' : 'pre'}`}
-            sizes='100vw'
-            style={{
-              width: '100%',
-              height: 'auto',
-            }}
+            className='w-full h-auto'
+            loading='lazy'
+            // {`w-full h-auto zoom ${isPralinePic ? 'post' : 'pre'}`}
+            // sizes='100vw'
+            // style={{
+            //   width: '100%',
+            //   height: 'auto',
+            // }}
           />
         </div>
       </section>
       <section className='flex flex-col md:flex-row items-center'>
         {/* Left Column - Image */}
         <div className='w-full md:w-1/2'>
-          <Image
-            ref={prAmPicRef}
+          <AnimatedImage
             src={prAmPic}
             alt='Left Side Image'
-            className={`w-full h-auto zoom ${isPrAmPic ? 'post' : 'pre'}`}
+            className='w-full h-auto'
             sizes='100vw'
             style={{
               width: '100%',
@@ -127,11 +94,10 @@ export default function AboutUsPage() {
           </div>
         </div>
         <div className='w-full md:w-1/2'>
-          <Image
-            ref={dryingPicRef}
+          <AnimatedImage
             src={dryingPic}
             alt='Beans Drying'
-            className={`w-full h-auto zoom ${isDryingPic ? 'post' : 'pre'}`}
+            className='w-full h-auto'
             sizes='100vw'
             style={{
               width: '100%',
@@ -143,11 +109,10 @@ export default function AboutUsPage() {
       {/* Fourth Three-Column Layout (Collections) */}
       <section className='flex flex-col md:flex-row items-center'>
         <div className='w-full md:w-1/2'>
-          <Image
-            ref={chefPicRef}
+          <AnimatedImage
             src={chefPic}
             alt='Beans Drying'
-            className={`w-full h-auto zoom ${isChefPic ? 'post' : 'pre'}`}
+            className='w-full h-auto'
             sizes='100vw'
             style={{
               width: '100%',
@@ -156,11 +121,11 @@ export default function AboutUsPage() {
           />
         </div>
         <div className='w-full md:w-1/2'>
-          <Image
-            ref={barkPicRef}
+          <AnimatedImage
             src={barkPic}
             alt='Beans Drying'
-            className={`w-full h-auto zoom ${isBarkPic ? 'post' : 'pre'}`}
+            className='w-full h-auto'
+            loading='lazy'
             sizes='100vw'
             style={{
               width: '100%',
@@ -188,11 +153,11 @@ export default function AboutUsPage() {
           that define the world of chocolate making.
         </div>
         <div className='flex w-full'>
-          <Image
-            ref={italyPicRef}
+          <AnimatedImage
             src={italyPic}
             alt='Training'
-            className={`w-full h-auto zoom ${isItalyPic ? 'post' : 'pre'}`}
+            className='w-full h-auto'
+            loading='lazy'
             sizes='100vw'
             style={{
               width: '100%',

src/app/(static)/page.tsx

@@ -1,6 +1,3 @@
-'use client';
-import { useRef } from 'react';
-import Image from 'next/image';
 import brandStoryPic from '/public/images/homepage/brand-story.jpg';
 import { HomepageVideo } from '@/components/homepage-video';
 import { HeroSwiper } from '@/components/swiper';
@@ -9,15 +6,9 @@ import { ChocolateCategories } from '@/components/category-slider';
 import { InstagramFeed } from '@/components/instagram';
 import { Spotlight } from '@/components/spotlight';
 import { AnimatedText } from '@/components/animated-text';
-import useInView from '@/hooks/useInView';
+import { AnimatedImage } from '@/components/animated-image';
 
 export default function HomePage() {
-  const brandStoryPicRef = useRef<HTMLImageElement>(null);
-  const isBrandStoryPic = useInView(brandStoryPicRef, {
-    threshold: 0.1,
-    triggerOnce: true,
-  });
-
   return (
     <div className='overflow-x-hidden'>
       <HeroSwiper />
@@ -53,16 +44,17 @@ export default function HomePage() {
         </div>
         {/* Right Column - Image */}
         <div className='w-full md:w-1/2'>
-          <Image
-            ref={brandStoryPicRef}
+          <AnimatedImage
+            // ref={brandStoryPicRef}
             src={brandStoryPic}
             alt='Right Side Image'
-            className={`w-full h-auto zoom ${isBrandStoryPic ? 'post' : 'pre'}`}
-            sizes='100vw'
-            style={{
-              width: '100%',
-              height: 'auto',
-            }}
+            className='w-full h-auto'
+            // {`w-full h-auto zoom ${isBrandStoryPic ? 'post' : 'pre'}`}
+            // sizes='100vw'
+            // style={{
+            //   width: '100%',
+            //   height: 'auto',
+            // }}
           />
         </div>
       </section>

src/components/animated-image.tsx

@@ -1,38 +1,38 @@
 // src/components/AnimatedImage.tsx
-import React, { ImgHTMLAttributes, useRef } from 'react';
+'use client';
+import React from 'react';
 import useInView from '@/hooks/useInView';
+import Image, { StaticImageData } from 'next/image';
 
-interface AnimatedImageProps extends ImgHTMLAttributes<HTMLImageElement> {
-  src: string;
+interface AnimatedImageProps {
+  src: string | StaticImageData;
   alt: string;
   className?: string;
-  threshold?: number; // New prop
+  threshold?: number;
+  // Additional props if needed
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  [key: string]: any;
 }
 
-const AnimatedImage: React.FC<AnimatedImageProps> = ({
+export function AnimatedImage({
   src,
   alt,
   className = '',
   threshold,
   ...props
-}) => {
-  const ref = useRef<HTMLImageElement>(null);
-  const isVisible = useInView(ref, {
+}: AnimatedImageProps) {
+  const [ref, isVisible] = useInView({
     threshold: threshold ?? 0.1,
     triggerOnce: true,
   });
 
   return (
-    <img
+    <Image
       ref={ref}
       src={src}
       alt={alt}
-      className={`opacity-0 transform scale-95 transition-opacity transition-transform duration-700 ease-out ${
-        isVisible ? 'opacity-100 scale-100' : ''
-      } ${className}`}
+      className={`zoom ${isVisible ? 'post' : 'pre'} ${className}`}
       {...props}
     />
   );
-};
-
-export default AnimatedImage;
+}

src/components/animated-text.tsx

@@ -1,5 +1,5 @@
-// src/components/AnimatedText.tsx
-import { ReactNode, useRef } from 'react';
+'use client';
+import { ReactNode } from 'react';
 import useInView from '@/hooks/useInView';
 
 interface AnimatedTextProps {
@@ -7,7 +7,7 @@ interface AnimatedTextProps {
   className?: string;
   startClass?: string;
   finishClass?: string;
-  threshold?: number; // New prop
+  threshold?: number;
 }
 
 export function AnimatedText({
@@ -17,8 +17,7 @@ export function AnimatedText({
   finishClass,
   threshold,
 }: AnimatedTextProps) {
-  const ref = useRef<HTMLDivElement>(null);
-  const isVisible = useInView(ref, {
+  const [ref, isVisible] = useInView({
     threshold: threshold ?? 0.1,
     triggerOnce: true,
   });

src/hooks/shared-intersection-observer.tsx

@@ -0,0 +1,80 @@
+import { useEffect } from 'react';
+// eslint-disable-next-line no-unused-vars
+type Callback = (entry: IntersectionObserverEntry) => void;
+
+class IntersectionObserverManager {
+  private observer: IntersectionObserver;
+  private callbacks: Map<Element, Callback>;
+
+  // eslint-disable-next-line no-undef
+  constructor(options: IntersectionObserverInit) {
+    this.callbacks = new Map();
+
+    this.observer = new IntersectionObserver(
+      this.handleIntersect.bind(this),
+      options,
+    );
+  }
+
+  private handleIntersect(entries: IntersectionObserverEntry[]) {
+    entries.forEach((entry) => {
+      const callback = this.callbacks.get(entry.target);
+      if (callback) {
+        callback(entry);
+      }
+    });
+  }
+
+  observe(element: Element, callback: Callback) {
+    if (element && callback) {
+      this.callbacks.set(element, callback);
+      this.observer.observe(element);
+    }
+  }
+
+  unobserve(element: Element) {
+    if (element) {
+      this.callbacks.delete(element);
+      this.observer.unobserve(element);
+    }
+  }
+
+  disconnect() {
+    this.observer.disconnect();
+    this.callbacks.clear();
+  }
+}
+
+let manager: IntersectionObserverManager | null = null;
+
+// eslint-disable-next-line no-undef
+const getObserverManager = (options: IntersectionObserverInit) => {
+  if (!manager) {
+    manager = new IntersectionObserverManager(options);
+  }
+  return manager;
+};
+
+export const useSharedIntersectionObserver = (
+  // eslint-disable-next-line no-undef
+  options: IntersectionObserverInit,
+) => {
+  useEffect(() => {
+    return () => {
+      // Cleanup logic if needed
+      // For example, disconnect the observer when the component unmounts entirely
+      // This depends on your application's lifecycle
+    };
+  }, []);
+
+  if (typeof window === 'undefined') {
+    // Return a dummy manager for SSR
+    return {
+      observe: () => {},
+      unobserve: () => {},
+      disconnect: () => {},
+    } as unknown as IntersectionObserverManager;
+  }
+
+  return getObserverManager(options);
+};

src/hooks/useInView.tsx

@@ -1,63 +1,50 @@
-import { useState, useEffect, RefObject } from 'react';
+'use client';
+import { useState, useEffect, useRef, RefObject } from 'react';
+import { useSharedIntersectionObserver } from './shared-intersection-observer';
 
-interface UseInViewOptions {
-  threshold?: number | number[];
+// eslint-disable-next-line no-undef
+interface UseInViewOptions extends IntersectionObserverInit {
   triggerOnce?: boolean;
 }
 
 const useInView = (
-  ref: RefObject<Element>,
-  options: UseInViewOptions = { threshold: 0.1, triggerOnce: true },
-): boolean => {
-  const { threshold = 0.1, triggerOnce = true } = options;
-  const [isVisible, setIsVisible] = useState<boolean>(false);
-
-  // Validate threshold
-  const isValidThreshold =
-    typeof threshold === 'number'
-      ? threshold >= 0 && threshold <= 1
-      : Array.isArray(threshold) && threshold.every((t) => t >= 0 && t <= 1);
-
-  if (!isValidThreshold) {
-    console.warn(
-      'Invalid threshold value passed to useInView. It should be between 0 and 1.',
-    );
-  }
-
+  options: UseInViewOptions,
+): [RefObject<HTMLImageElement>, boolean] => {
+  const [isInView, setIsInView] = useState<boolean>(false);
+  const elementRef = useRef<HTMLImageElement>(null);
+  const observerManager = useSharedIntersectionObserver(options);
   useEffect(() => {
-    const element = ref.current;
+    const element = elementRef.current;
     if (!element) return;
 
     const prefersReducedMotion = window.matchMedia(
       '(prefers-reduced-motion: reduce)',
     );
     if (prefersReducedMotion.matches) {
-      setIsVisible(true);
+      setIsInView(true);
+      if (options.triggerOnce) {
+        observerManager.unobserve(element);
+      }
       return;
     }
 
-    const observer = new IntersectionObserver(
-      (entries) => {
-        entries.forEach((entry) => {
-          if (entry.isIntersecting) {
-            setIsVisible(true);
-            if (triggerOnce) {
-              observer.unobserve(entry.target);
-            }
-          }
-        });
-      },
-      { threshold },
-    );
+    const callback = (entry: IntersectionObserverEntry) => {
+      if (entry.isIntersecting) {
+        setIsInView(true);
+        if (options.triggerOnce) {
+          observerManager.unobserve(element);
+        }
+      }
+    };
 
-    observer.observe(element);
+    observerManager.observe(element, callback);
 
     return () => {
-      if (element) observer.unobserve(element);
+      observerManager.unobserve(element);
     };
-  }, [ref, threshold, triggerOnce]);
+  }, [observerManager]);
 
-  return isVisible;
+  return [elementRef, isInView];
 };
 
 export default useInView;

src/hooks/useInViewsingle.tsx

@@ -0,0 +1,63 @@
+import { useState, useEffect, RefObject } from 'react';
+
+interface UseInViewOptions {
+  threshold?: number | number[];
+  triggerOnce?: boolean;
+}
+
+const useInView = (
+  ref: RefObject<Element>,
+  options: UseInViewOptions = { threshold: 0.1, triggerOnce: true },
+): boolean => {
+  const { threshold = 0.1, triggerOnce = true } = options;
+  const [isVisible, setIsVisible] = useState<boolean>(false);
+
+  // Validate threshold
+  const isValidThreshold =
+    typeof threshold === 'number'
+      ? threshold >= 0 && threshold <= 1
+      : Array.isArray(threshold) && threshold.every((t) => t >= 0 && t <= 1);
+
+  if (!isValidThreshold) {
+    console.warn(
+      'Invalid threshold value passed to useInView. It should be between 0 and 1.',
+    );
+  }
+
+  useEffect(() => {
+    const element = ref.current;
+    if (!element) return;
+
+    const prefersReducedMotion = window.matchMedia(
+      '(prefers-reduced-motion: reduce)',
+    );
+    if (prefersReducedMotion.matches) {
+      setIsVisible(true);
+      return;
+    }
+
+    const observer = new IntersectionObserver(
+      (entries) => {
+        entries.forEach((entry) => {
+          if (entry.isIntersecting) {
+            setIsVisible(true);
+            if (triggerOnce) {
+              observer.unobserve(entry.target);
+            }
+          }
+        });
+      },
+      { threshold },
+    );
+
+    observer.observe(element);
+
+    return () => {
+      if (element) observer.unobserve(element);
+    };
+  }, [ref, threshold, triggerOnce]);
+
+  return isVisible;
+};
+
+export default useInView;