add image gallery #3

app/gallery/page.tsx

@@ -1,4 +1,5 @@
 import {Metadata} from 'next';
+import Gallery from '@/components/Gallery/Gallery';
 
 export const metadata: Metadata = {
   title: 'Gallery',
@@ -11,6 +12,6 @@ export const metadata: Metadata = {
 /**
  * @returns React component.
  */
-export default function Gallery() {
-  return <div>Gallery</div>;
+export default function GalleryPage() {
+  return <Gallery />;
 }

app/globals.css

@@ -31,4 +31,8 @@
   .animated-link:focus:after {
     width: 100%;
   }
+
+  .focus-ring {
+    @apply focus:ring-2 focus:outline-none focus:ring-white;
+  }
 }

app/layout.tsx

@@ -18,6 +18,7 @@ const bodyCn = clsx(
   'flex-col',
   'min-h-screen',
   'bg-[radial-gradient(ellipse_at_top_right,_var(--tw-gradient-stops))] from-black via-alternate to-black',
+  'bg-fixed',
 );
 
 const mainCn = clsx('flex', 'flex-col', 'items-center', 'justify-center', 'p-24');

components/Button/Button.tsx

@@ -43,9 +43,7 @@ const baseButtonCn = clsx(
   'relative',
   'overflow-hidden',
   'select-none',
-  'focus:ring-4',
-  'focus:outline-none',
-  'focus:ring-white',
+  'focus-ring',
 );
 
 const buttonDefaultCn = clsx(

components/Gallery/Gallery.tsx

@@ -0,0 +1,52 @@
+'use client';
+
+import {MutableRefObject} from 'react';
+import clsx from 'clsx';
+import {Gallery as PSGallery, Item, GalleryProps} from 'react-photoswipe-gallery';
+import 'photoswipe/dist/photoswipe.css';
+import useNetworkSpeed from '@/lib/shared/useNetworkSpeed';
+import config from './config';
+import GalleryItem from './GalleryItem';
+
+const containerCn = clsx('flex', 'flex-wrap', 'gap-4', 'justify-center');
+
+const photoSwipeOptions: GalleryProps['options'] = {
+  zoom: false,
+  bgOpacity: 0.9,
+};
+
+/**
+ * @returns React component.
+ */
+export default function Gallery() {
+  const [, isFast] = useNetworkSpeed();
+
+  return (
+    <div className={containerCn}>
+      <PSGallery options={photoSwipeOptions}>
+        {config.map(({src, lowQualitySrc, dimensions: {width, height}, blurDataURL}) => {
+          const computedSrc = isFast ? src : lowQualitySrc;
+          return (
+            <Item
+              original={computedSrc}
+              thumbnail={computedSrc}
+              alt=""
+              width={width}
+              height={height}
+              key={computedSrc}
+            >
+              {({open, ref}) => (
+                <GalleryItem
+                  open={open}
+                  ref={ref as MutableRefObject<HTMLImageElement>}
+                  blurDataURL={blurDataURL}
+                  src={computedSrc}
+                />
+              )}
+            </Item>
+          );
+        })}
+      </PSGallery>
+    </div>
+  );
+}

components/Gallery/GalleryItem.tsx

@@ -0,0 +1,77 @@
+import {MouseEvent} from 'react';
+import clsx from 'clsx';
+import Image from 'next/image';
+import {forwardRef} from 'react';
+import {useHotkeys} from 'react-hotkeys-hook';
+import AppearInViewport from '../AppearInViewport/AppearInViewport';
+
+/**
+ * Props.
+ */
+type GalleryItemProps = {
+  src: string;
+  blurDataURL: string;
+  open: (e: MouseEvent) => void;
+};
+
+const imgCn = clsx('rounded-md', 'overflow-hidden');
+const overflowCn = clsx(
+  'cursor-pointer',
+  'relative',
+  'after:absolute',
+  'after:content-[""]',
+  'after:w-full',
+  'after:h-full',
+  'after:top-0',
+  'after:left-0',
+  'after:bg-[radial-gradient(circle,_var(--tw-gradient-stops))] from-white to-transparent',
+  'after:transition-opacity',
+  'after:duration-300',
+  'after:ease-out',
+  'after:opacity-0',
+  'hover:after:opacity-20',
+  'transition-transform',
+  'duration-500',
+  'ease-out',
+  'hover:translate-y-1',
+  'rounded-md',
+  'focus-ring',
+);
+
+/**
+ * @returns React component.
+ */
+const GalleryItem = forwardRef<HTMLImageElement, GalleryItemProps>(function GalleryItem(
+  {open, src, blurDataURL},
+  ref,
+) {
+  const hotkeysRef = useHotkeys<HTMLDivElement>(['enter', 'space'], open as any, {
+    preventDefault: true,
+  });
+
+  return (
+    <AppearInViewport>
+      {/* eslint-disable-next-line jsx-a11y/click-events-have-key-events */}
+      <div
+        className={overflowCn}
+        style={{height: 300, width: 400}}
+        onClick={open}
+        tabIndex={0}
+        role="link"
+        ref={hotkeysRef}
+      >
+        <Image
+          className={imgCn}
+          ref={ref}
+          src={src}
+          placeholder="blur"
+          blurDataURL={blurDataURL}
+          alt=""
+          fill
+        />
+      </div>
+    </AppearInViewport>
+  );
+});
+
+export default GalleryItem;

components/Gallery/config.ts

@@ -0,0 +1,28 @@
+/**
+ * Gallery images configuration.
+ */
+const config = [
+  {fileName: 'gallery.0.jpg', dimensions: {width: 920, height: 600}},
+  {fileName: 'gallery.1.jpg', dimensions: {width: 920, height: 600}},
+  {fileName: 'gallery.2.jpg', dimensions: {width: 920, height: 600}},
+  {fileName: 'gallery.3.jpg', dimensions: {width: 920, height: 600}},
+  {fileName: 'gallery.4.jpg', dimensions: {width: 920, height: 600}},
+  {fileName: 'gallery.5.jpg', dimensions: {width: 920, height: 600}},
+  {fileName: 'gallery.6.jpg', dimensions: {width: 920, height: 600}},
+  {fileName: 'gallery.7.jpg', dimensions: {width: 920, height: 600}},
+  {fileName: 'gallery.8.jpg', dimensions: {width: 920, height: 600}},
+  {fileName: 'gallery.9.jpg', dimensions: {width: 920, height: 600}},
+  {fileName: 'gallery.10.jpg', dimensions: {width: 920, height: 600}},
+  {fileName: 'gallery.11.jpg', dimensions: {width: 920, height: 600}},
+  {fileName: 'gallery.12.jpg', dimensions: {width: 920, height: 600}},
+  {fileName: 'gallery.13.jpg', dimensions: {width: 920, height: 600}},
+  {fileName: 'gallery.14.jpg', dimensions: {width: 920, height: 600}},
+  {fileName: 'gallery.15.jpg', dimensions: {width: 920, height: 600}},
+] as const;
+
+export default config.map(({fileName, dimensions}) => ({
+  dimensions,
+  src: `/images/${fileName}`,
+  blurDataURL: `/images/blured/${fileName}`,
+  lowQualitySrc: `/images/low-quality/${fileName}`,
+}));

components/Loader/Loader.tsx

@@ -1,5 +1,5 @@
 /**
- * @file In order to always render loader on the server we don't use framer motion here.
+ * @file In order to render loader on the server we don't use framer motion here.
  */
 
 import clsx from 'clsx';

components/ScrollToTop/ScrollToTop.tsx

@@ -5,6 +5,7 @@ import {m} from 'framer-motion';
 import {FontAwesomeIcon} from '@fortawesome/react-fontawesome';
 import {faCircleArrowUp} from '@fortawesome/free-solid-svg-icons';
 import useScroll, {ScrollHandler} from '@/lib/shared/useScroll';
+import isPrefersReducedMotion from '@/utils/isPrefersReducedMotion';
 
 /**
  * Props.
@@ -15,8 +16,8 @@ type ScrollToTopButtonProps = {
 } & Pick<CSSProperties, 'top' | 'left' | 'bottom' | 'right'>;
 
 const variants = {
-  visible: {opacity: 1, x: 0},
-  hidden: {opacity: 0, x: '-100%'},
+  visible: {opacity: 1, y: 0},
+  hidden: {opacity: 0, y: '2rem'},
 };
 
 /**
@@ -37,14 +38,19 @@ export default function ScrollToTopButton({offset = 1000, ...position}: ScrollTo
 
   return (
     <m.button
-      className="absolute"
+      className="fixed"
+      initial="hidden"
       animate={visible ? 'visible' : 'hidden'}
       variants={variants}
-      onClick={() => scrollToTop()}
+      transition={{duration: 0.5, ease: 'easeOut'}}
+      onClick={() => scrollToTop(!isPrefersReducedMotion())}
       aria-hidden={true}
       style={position}
     >
-      <FontAwesomeIcon icon={faCircleArrowUp} />
+      <FontAwesomeIcon
+        icon={faCircleArrowUp}
+        size="2xl"
+      />
     </m.button>
   );
 }

lib/shared/useNetworkSpeed.ts

@@ -1,3 +1,5 @@
+'use client';
+
 import {useEffect, useState} from 'react';
 import {isServer} from '@/utils/isServer';