feat: Added details dialog

src/App.tsx

@@ -1,28 +1,15 @@
-import { useParams, useSearchParams } from 'react-router-dom';
 import SlideShow from './components/SlideShow';
 import './App.css';
 import Disclaimer from './components/Disclaimer';
 import useDisclaimerState from './utils/useDisclaimerState';
-import { defaultHashTags } from './components/env';
 
 const App = () => {
   const { disclaimerAccepted, setDisclaimerAccepted } = useDisclaimerState();
 
-  const { tags, npub } = useParams();
-  const [searchParams] = useSearchParams();
-  const nsfw = searchParams.get('nsfw') === 'true';
-
-  console.log(`tags = ${tags}, npub = ${npub}, nsfw = ${nsfw}`);
-
-  let useTags = tags?.split(',') || [];
-  if (npub == undefined && (useTags == undefined || useTags.length == 0)) {
-    useTags = defaultHashTags;
-  }
-
   return (
     <>
       {disclaimerAccepted ? (
-        <SlideShow tags={useTags} npubs={npub ? [npub] : []} showNsfw={nsfw} />
+        <SlideShow />
       ) : (
         <Disclaimer disclaimerAccepted={disclaimerAccepted} setDisclaimerAccepted={setDisclaimerAccepted} />
       )}

src/components/AdultContentInfo.tsx

@@ -1,18 +1,17 @@
-import { useNavigate } from 'react-router-dom';
 import './Disclaimer.css';
 import { MouseEvent } from 'react';
+import useNav from '../utils/useNav';
 
 const AdultContentInfo = () => {
-  const navigate = useNavigate();
+  const { nav, currentSettings } = useNav();
 
   const proceed = (e: MouseEvent<HTMLButtonElement>) => {
     e.preventDefault();
-    const nsfwPostfix = '?nsfw=true';
+    nav({ ...currentSettings, showNsfw: true });
-    navigate(`${window.location.pathname}${nsfwPostfix}`);
   };
   const goBack = (e: MouseEvent<HTMLButtonElement>) => {
     e.preventDefault();
-    navigate(`/`);
+    nav({ npubs: [], tags: [], showNsfw: false });
   };
 
   return (

src/components/AuthorProfile.tsx

@@ -1,29 +1,37 @@
 import './SlideShow.css';
 import useImageLoaded from '../utils/useImageLoaded';
+import { createImgProxyUrl } from './nostrImageDownload';
+import useNav from '../utils/useNav';
 
 type AvatarImageProps = {
   src?: string;
   author?: string;
   npub?: string;
+  setShowGrid?: (showGrid: boolean) => void;
 };
 
-const AuthorProfile = ({ src, author, npub }: AvatarImageProps) => {
+const AuthorProfile = ({ src, author, npub, setShowGrid }: AvatarImageProps) => {
   const avatarLoaded = useImageLoaded(src);
+  const { nav, currentSettings } = useNav();
   return (
-    <div className="author-info">
+    <div
-      <a href={`https://nostrapp.link/#${npub}`} target="_blank">
+      className="author-info"
-        <div>
+      onClick={() => {
-          {avatarLoaded && (
+        setShowGrid && setShowGrid(true);
-            <div
+        npub && nav({ ...currentSettings, tags: [], npubs: [npub] });
-              className="author-image"
+      }}
-              style={{
+    >
-                backgroundImage: `url(${src})`,
+      <div>
-              }}
+        {avatarLoaded && (
-            ></div>
+          <div
-          )}
+            className="author-image"
-          {author}
+            style={{
-        </div>
+              backgroundImage: src ? `url(${createImgProxyUrl(src, 80, 80)})` : 'none',
-      </a>
+            }}
+          ></div>
+        )}
+        {author}
+      </div>
     </div>
   );
 };

src/components/GridView/Author.tsx

@@ -0,0 +1,37 @@
+import useNav from '../../utils/useNav';
+import { createImgProxyUrl } from '../nostrImageDownload';
+import './DetailsView.css';
+import { NDKUserProfile } from '@nostr-dev-kit/ndk';
+
+type DetailsAuthorProps = {
+  profile?: NDKUserProfile;
+  npub?: string;
+  setActiveImageIdx: (idx: number | undefined) => void;
+};
+
+const DetailsAuthor = ({ profile, npub, setActiveImageIdx }: DetailsAuthorProps) => {
+  const { nav, currentSettings } = useNav();
+
+  return (
+    <div
+      className="details-author"
+      onClick={() => {
+        setActiveImageIdx(undefined);
+        npub && nav({ ...currentSettings, tags: [], npubs: [npub] });
+      }}
+    >
+      <>
+        <div
+          className="author-image"
+          style={{
+            backgroundImage: profile?.image ? `url(${createImgProxyUrl(profile?.image, 80, 80)})` : 'none',
+          }}
+        ></div>
+
+        {profile?.displayName || profile?.name}
+      </>
+    </div>
+  );
+};
+
+export default DetailsAuthor;

src/components/GridView/DetailsView.css

@@ -0,0 +1,96 @@
+.details {
+  /*
+  position: fixed;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  background: rgba(0, 0, 0, 0.9);
+  backdrop-filter: blur(10px);
+  justify-content: center;
+  align-items: center;
+  border-radius: 10px;
+  border: 1px solid rgba(255, 255, 255, 0.18);
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
+  font-size: 1.2rem;
+  animation: fadeIn 0.5s ease-in-out;
+  z-index: 500;
+  padding: 2em;
+  flex-direction: column;
+  gap: 24px;
+  width: 90%;
+  height: 85%;
+  */
+
+  position: absolute;
+  z-index: 500;
+  background: rgba(0, 0, 0, 0.8);
+  backdrop-filter: blur(10px);
+  padding: 2em;
+  box-sizing: border-box;
+  display: flex;
+  align-items: center;
+  width: 100vw;
+  height: 100vh;
+  justify-content: center;
+}
+
+.details-contents {
+  display: grid;
+  grid-template-columns: max(60vw, 40vw) auto;
+  gap: 24px;
+  justify-items: center;
+}
+
+.details-contents .tag {
+  display: inline;
+  padding: 0.2em 0.6em;
+  margin-right: 0.2em;
+  border-radius: 24px;
+  background-color: #444;
+  color: white;
+  line-height: 2.2em;
+  font-size: 1rem;
+  cursor: pointer;
+}
+.details-contents .tag:hover {
+  background-color: #555;
+}
+
+.details-contents .detail-image {
+  object-fit: contain;
+  max-width: 100%;
+  max-height: 90vh;
+  border-radius: 12px;
+}
+
+.detail-description {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+  max-width: 30em;
+  width: 25em;
+  overflow-y: auto;
+  overflow-x: hidden;
+}
+
+.details-author {
+  display: flex;
+  flex-direction: row;
+  gap: 12px;
+  align-items: flex-start;
+  cursor: pointer;
+}
+
+@media screen and (max-width: 768px) {
+  .details {
+    overflow-y: scroll;
+  }
+  .details-contents {
+    grid-template-columns: 1fr;
+    grid-template-rows: auto 1fr;
+  }
+  .detail-description {
+    max-width: 100%;
+    width: 100%;
+  }
+}

src/components/GridView/DetailsView.tsx

@@ -0,0 +1,57 @@
+import { NostrImage } from '../nostrImageDownload';
+import './DetailsView.css';
+import { useNDK } from '@nostr-dev-kit/ndk-react';
+import DetailsAuthor from './Author';
+import { useMemo } from 'react';
+import uniq from 'lodash/uniq';
+import useNav from '../../utils/useNav';
+
+type DetailsViewProps = {
+  images: NostrImage[];
+  activeImageIdx: number | undefined;
+  setActiveImageIdx: (idx: number | undefined) => void;
+};
+
+const DetailsView = ({ images, activeImageIdx, setActiveImageIdx }: DetailsViewProps) => {
+  const { getProfile } = useNDK();
+  const currentImage = useMemo(
+    () => (activeImageIdx !== undefined ? images[activeImageIdx] : undefined),
+    [images, activeImageIdx]
+  );
+  const activeProfile = currentImage?.author !== undefined ? getProfile(currentImage?.author) : undefined;
+  const { nav, currentSettings } = useNav();
+
+  return (
+    <div className="details">
+      <div className="details-contents">
+        <img className="detail-image" src={currentImage?.url}></img>
+        <div className="detail-description">
+          <DetailsAuthor
+            profile={activeProfile}
+            npub={currentImage?.author}
+            setActiveImageIdx={setActiveImageIdx}
+          ></DetailsAuthor>
+
+          <div>{currentImage?.content}</div>
+          <div>
+            {uniq(currentImage?.tags).map(t => (
+              <>
+                <span
+                  className="tag"
+                  onClick={() => {
+                    setActiveImageIdx(undefined);
+                    nav({ ...currentSettings, tags: [t], npubs: [] });
+                  }}
+                >
+                  {t}
+                </span>{' '}
+              </>
+            ))}
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default DetailsView;

src/components/GridView/GridImage.tsx

@@ -0,0 +1,27 @@
+import { SyntheticEvent, useState } from 'react';
+import { NostrImage, createImgProxyUrl } from '../nostrImageDownload';
+
+interface GridImageProps extends React.ImgHTMLAttributes<HTMLImageElement> {
+  image: NostrImage;
+}
+
+const GridImage = ({ image, ...props }: GridImageProps) => {
+  const [loaded, setLoaded] = useState(false);
+
+  return (
+    <img
+      data-node-id={image.noteId}
+      onError={(e: SyntheticEvent<HTMLImageElement>) => {
+        e.currentTarget.src = '/notfound.png';
+      }}
+      className={`image ${loaded ? 'show' : ''}`}
+      onLoad={() => setLoaded(true)}
+      loading="lazy"
+      key={image.url}
+      src={createImgProxyUrl(image.url)}
+      {...props}
+    ></img>
+  );
+};
+
+export default GridImage;

src/components/GridView/GridView.css

@@ -1,10 +1,27 @@
+@keyframes showImage {
+  from {
+    opacity: 0;
+    visibility: visible;
+  }
+
+  to {
+    opacity: 1;
+  }
+}
+
+.gridview {
+  display: flex;
+  flex-direction: column;
+  align-items: start;
+  height: 100vh;
+}
+
 .imagegrid {
   display: grid;
   grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
   grid-gap: 1rem;
   padding: 1rem;
   width: 100vw;
-  height: 100vh;
   overflow: scroll;
   box-sizing: border-box;
 }
@@ -15,6 +32,15 @@
   object-fit: cover;
   height: 200px;
   cursor: pointer;
+
+  visibility: hidden;
+}
+
+.imagegrid .image.show {
+  animation-duration: 0.5s;
+  animation-timing-function: ease-in;
+  animation-name: showImage;
+  visibility: visible;
 }
 
 @media screen and (max-width: 600px) {

src/components/GridView/index.tsx

@@ -1,8 +1,9 @@
-import { useMemo, useState } from 'react';
+import { useEffect, useMemo, useState } from 'react';
-import Settings from '../Settings';
+import { NostrImage, isVideo } from '../nostrImageDownload';
-import { NostrImage, createImgProxyUrl, isVideo } from '../nostrImageDownload';
 import './GridView.css';
-import Slide from '../SlideView/Slide';
+import DetailsView from './DetailsView';
+import GridImage from './GridImage';
+import { Settings } from '../../utils/useNav';
 
 type GridViewProps = {
   settings: Settings;
@@ -10,7 +11,7 @@ type GridViewProps = {
 };
 
 const GridView = ({ settings, images }: GridViewProps) => {
-  const [activeImage, setActiveImage] = useState<NostrImage | undefined>();
+  const [activeImageIdx, setActiveImageIdx] = useState<number | undefined>();
 
   const sortedImages = useMemo(
     () =>
@@ -20,20 +21,33 @@ const GridView = ({ settings, images }: GridViewProps) => {
     [images]
   );
 
+  const onKeyDown = (event: KeyboardEvent) => {
+    console.log(event);
+    if (event.key === 'ArrowRight') {
+      setActiveImageIdx(idx => (idx !== undefined && idx < sortedImages.length - 1 ? idx + 1 : idx));
+    }
+    if (event.key === 'ArrowLeft') {
+      setActiveImageIdx(idx => (idx !== undefined && idx > 0 ? idx - 1 : idx));
+    }
+    if (event.key === 'Escape') {
+      setActiveImageIdx(undefined);
+    }
+  };
+
+  useEffect(() => {
+    document.body.addEventListener('keydown', onKeyDown);
+    return () => {
+      document.body.removeEventListener('keydown', onKeyDown);
+    };
+  }, []);
+
   return (
-    <>
+    <div className="gridview">
-      {activeImage && (
+      {activeImageIdx !== undefined ? (
-        <Slide
+        <DetailsView images={sortedImages} activeImageIdx={activeImageIdx} setActiveImageIdx={setActiveImageIdx} />
-          url={activeImage.url}
+      ) : null}
-          noteId={activeImage.noteId}
-          type={activeImage.type}
-          paused={false}
-          onAnimationEnded={() => setActiveImage(undefined)}
-          animationDuration={4}
-        ></Slide>
-      )}
       <div className="imagegrid">
-        {sortedImages.map(image =>
+        {sortedImages.map((image, idx) =>
           isVideo(image.url) ? (
             <video
               className="image"
@@ -44,18 +58,11 @@ const GridView = ({ settings, images }: GridViewProps) => {
               preload="none"
             />
           ) : (
-            <img
+            <GridImage key={image.url} image={image} onClick={() => setActiveImageIdx(idx)}></GridImage>
-              onClick={() => setActiveImage(image)}
-              data-node-id={image.noteId}
-              className="image"
-              loading="lazy"
-              key={image.url}
-              src={createImgProxyUrl(image.url)}
-            ></img>
           )
         )}
       </div>
-    </>
+    </div>
   );
 };
 

src/components/Settings.tsx

@@ -1,38 +1,29 @@
 import { FormEvent, useState } from 'react';
 import './Settings.css';
-import { useNavigate } from 'react-router-dom';
+import useNav, { Settings } from '../utils/useNav';
-
-type Settings = {
-  showNsfw: boolean;
-  tags: string[];
-  npubs: string[];
-};
 
 type SettingsProps = {
   onClose: () => void;
   settings: Settings;
 };
 
-const Settings = ({ onClose, settings }: SettingsProps) => {
+const SettingsDialog = ({ onClose, settings }: SettingsProps) => {
   const [showNsfw, setShowNsfw] = useState(settings.showNsfw || false);
   const [tags, setTags] = useState(settings.tags || []);
   const [npubs, setNpubs] = useState(settings.npubs || []);
-
+  const { nav, currentSettings } = useNav();
-  const navigate = useNavigate();
 
   const onSubmit = (e: FormEvent) => {
     e.preventDefault();
-    const nsfwPostfix = showNsfw ? '?nsfw=true' : '';
-
     const validTags = tags.filter(t => t.length > 0);
     const validNpubs = npubs.filter(t => t.length > 0);
 
     if (validTags.length > 0) {
-      navigate(`/tags/${validTags.join('%2C')}${nsfwPostfix}`);
+      nav({ ...currentSettings, tags: validTags, npubs: [], showNsfw });
     } else if (validNpubs.length == 1) {
-      navigate(`/p/${validNpubs[0]}${nsfwPostfix}`);
+      nav({ ...currentSettings, tags: [], npubs: validNpubs, showNsfw });
     } else {
-      navigate(`/${nsfwPostfix}`);
+      nav({ ...currentSettings, tags: [], npubs: [], showNsfw });
     }
     onClose();
   };
@@ -79,4 +70,4 @@ const Settings = ({ onClose, settings }: SettingsProps) => {
   );
 };
 
-export default Settings;
+export default SettingsDialog;

src/components/SlideShow.css

@@ -57,16 +57,9 @@
   }
 }
 
-.author-info a {
+.author-info {
-  color: white;
-}
-
-.author-info a:hover {
   cursor: pointer;
   color: white;
-}
-
-.author-info {
   position: absolute;
   bottom: 1em;
   left: 1em;
@@ -85,6 +78,7 @@
   animation-duration: 0.5s;
   animation-timing-function: ease-in;
   animation-name: showAuthor;
+  background-color: #444;
 }
 
 .slide {

src/components/SlideShow.tsx

@@ -11,7 +11,7 @@ import {
   isVideo,
   prepareContent,
 } from './nostrImageDownload';
-import { defaultRelays, nfswTags, nsfwNPubs } from './env';
+import { blockedPublicKeys, defaultRelays, nfswTags, nsfwNPubs } from './env';
 import Settings from './Settings';
 import SlideView from './SlideView';
 import GridView from './GridView';
@@ -23,6 +23,7 @@ import IconSettings from './Icons/IconSettings';
 import IconPlay from './Icons/IconPlay';
 import IconGrid from './Icons/IconGrid';
 import { NDKEvent } from '@nostr-dev-kit/ndk';
+import useNav from '../utils/useNav';
 
 /*
 FEATURES:
@@ -45,13 +46,14 @@ FEATURES:
 - Prevent duplicate images (shuffle? histroy?)
 */
 
-const SlideShow = (settings: Settings) => {
+const SlideShow = () => {
   const { ndk, loadNdk } = useNDK();
   const [posts, setPosts] = useState<NDKEvent[]>([]);
   const images = useRef<NostrImage[]>([]);
   const fetchTimeoutHandle = useRef(0);
   const [showGrid, setShowGrid] = useState(false);
   const [showSettings, setShowSettings] = useState(false);
+  const { currentSettings: settings } = useNav();
 
   const fetch = () => {
     const postSubscription = ndk.subscribe(buildFilter(settings.tags, settings.npubs));
@@ -59,6 +61,7 @@ const SlideShow = (settings: Settings) => {
     postSubscription.on('event', (event: NDKEvent) => {
       setPosts(oldPosts => {
         if (
+          !blockedPublicKeys.includes(event.pubkey.toLowerCase()) && // remove blocked authors
           !isReply(event) &&
           oldPosts.findIndex(p => p.id === event.id) === -1 && // not duplicate
           (settings.showNsfw || !isNsfwRelated(event))
@@ -112,9 +115,12 @@ const SlideShow = (settings: Settings) => {
     if (event.key === 'g' || event.key === 'G') {
       setShowGrid(p => !p);
     }
-    if (event.key === 'Escape') {
+    if (event.key === 's' || event.key === 'S') {
       setShowSettings(s => !s);
     }
+    if (event.key === 'Escape') {
+      setShowSettings(false);
+    }
     /*
     if (event.key === "f" || event.key === "F") {
       document?.getElementById("root")?.requestFullscreen();
@@ -124,9 +130,9 @@ const SlideShow = (settings: Settings) => {
 
   useEffect(() => {
     loadNdk(defaultRelays);
-    window.addEventListener('keydown', onKeyDown);
+    document.body.addEventListener('keydown', onKeyDown);
     return () => {
-      window.removeEventListener('keydown', onKeyDown);
+      document.body.removeEventListener('keydown', onKeyDown);
     };
   }, []);
 
@@ -163,7 +169,7 @@ const SlideShow = (settings: Settings) => {
       {showGrid ? (
         <GridView images={images.current} settings={settings}></GridView>
       ) : (
-        <SlideView images={images.current} settings={settings}></SlideView>
+        <SlideView images={images.current} settings={settings} setShowGrid={setShowGrid}></SlideView>
       )}
     </>
   );

src/components/SlideView/index.tsx

@@ -7,16 +7,17 @@ import { useNDK } from '@nostr-dev-kit/ndk-react';
 import useDebouncedEffect from '../../utils/useDebouncedEffect';
 import { useSwipeable } from 'react-swipeable';
 import { Helmet } from 'react-helmet';
-import Settings from '../Settings';
 import IconPause from '../Icons/IconPause';
 import IconSpinner from '../Icons/IconSpinner';
+import { Settings } from '../../utils/useNav';
 
 type SlideViewProps = {
   settings: Settings;
   images: NostrImage[];
+  setShowGrid: (showGrid: boolean) => void;
 };
 
-const SlideView = ({ settings, images }: SlideViewProps) => {
+const SlideView = ({ settings, images, setShowGrid }: SlideViewProps) => {
   const { getProfile } = useNDK();
   const [activeImages, setActiveImages] = useState<NostrImage[]>([]);
   const history = useRef<NostrImage[]>([]);
@@ -130,7 +131,7 @@ const SlideView = ({ settings, images }: SlideViewProps) => {
   useEffect(() => {
     document.body.addEventListener('keydown', onKeyDown);
     return () => {
-      window.removeEventListener('keydown', onKeyDown);
+      document.body.removeEventListener('keydown', onKeyDown);
       console.log(`cleaining timeout in useEffect[] destructor `);
       clearTimeout(viewTimeoutHandle.current);
     };
@@ -189,6 +190,7 @@ const SlideView = ({ settings, images }: SlideViewProps) => {
       )}
       {activeProfile && (
         <AuthorProfile
+          setShowGrid={setShowGrid}
           src={urlFix(activeProfile.image || '')}
           author={activeProfile.displayName || activeProfile.name}
           npub={activeNpub}

src/components/env.ts

@@ -45,6 +45,7 @@ export const nfswTags = [
   'thighstr',
   'tits',
   'titstr',
+  'lolita',
 ];
 
 export const nsfwNPubs = [
@@ -78,13 +79,21 @@ export const nsfwNPubs = [
   'npub1ulafm4d3n7ukl7yzg4hfnhfjut74nym5p83e3d67l3j62yc6ysqqrancw2', // naked
   'npub1ve4ztpqvlgu3v6hgrvc4lrdl2ernue7lq2h8tcgaksrkxlm7gnsqkjmz4e', // bluntkaraoke
   'npub1wmsn8fch7kwt987jcdx06uuapn6pwzau59pvy0ql5d3xlmnxa2csj3c5p4', // StefsPicks
-  'npub1xfu7047thly6aghl79z97kckkvwfvtcx88n6wq7c2tlng484d8xqv0kuvv', // Erandis Vol
   'npub1y77j6jm5hw34xl5m85aumltv88arh2s7q383allkpfe4muarzc5qzfgru0', // sexy-models
   'npub1ylrnf0xfp9wsmqthxlqjqyqj9yy27pnchjwjq93v3mq66ts7ftjs6x7dcq', // Welcome To The Jungle
   'npub1csk2wg33ee9kutyps4nmevyv3putfegj7yd0emsp44ph32wvmamqs7uyan', // Lilura
+  'npub10m75ad8pc6wtlt67f6wjeug4hpqurc68842ve5ne47u9lkjqa0lq8ja88s', // 313Chris:hellokitty_headbang:
 ];
 
-export const nsfwPubKeys = nsfwNPubs.map(npub => (nip19.decode(npub).data as string).toLowerCase());
+export const nsfwPublicKeys = nsfwNPubs.map(npub => (nip19.decode(npub).data as string).toLowerCase());
+
+export const blockedNPubs = [
+  'npub1awxh85c5wasj60d42uvmzuza2uvjazff9m7skg2vf7x2f8gykwkqykxktf', // AIイラスト',
+  'npub1xfu7047thly6aghl79z97kckkvwfvtcx88n6wq7c2tlng484d8xqv0kuvv', // Erandis Vol
+  'npub1kf8sau5dejmcmfmzzj256rv728p5w7s0wytdyz8ypa0ne0y6k0vswhgu9w', // noname
+];
+
+export const blockedPublicKeys = blockedNPubs.map(npub => (nip19.decode(npub).data as string).toLowerCase());
 
 export const spamAccounts = [];
 
@@ -97,5 +106,6 @@ export const defaultRelays = [
   'wss://nostr.wine',
   // "wss://nostr1.current.fyi/",
   'wss://purplepag.es/', // needed for user profiles
+  'wss://n-word.sharivegas.com/', // needed for mostr.pub profiles
   //"wss://feeds.nostr.band/pics",
 ];

src/components/nostrImageDownload.ts

@@ -1,6 +1,6 @@
 import { NDKEvent, NDKFilter } from '@nostr-dev-kit/ndk';
 import { nip19 } from 'nostr-tools';
-import { nfswTags, nsfwPubKeys } from './env';
+import { nfswTags, nsfwPublicKeys } from './env';
 
 export type NostrImage = {
   url: string;
@@ -67,7 +67,7 @@ export const isNsfwRelated = (event: NDKEvent) => {
   return (
     hasContentWarning(event) || // block content warning
     hasNsfwTag(event) || // block nsfw tags
-    nsfwPubKeys.includes(event.pubkey.toLowerCase()) // block nsfw authors
+    nsfwPublicKeys.includes(event.pubkey.toLowerCase()) // block nsfw authors
   );
 };
 

src/utils/useNav.ts

@@ -0,0 +1,50 @@
+import { useMemo } from 'react';
+import { defaultHashTags } from '../components/env';
+import { useNavigate, useParams, useSearchParams } from 'react-router-dom';
+
+export type Settings = {
+  showNsfw: boolean;
+  tags: string[];
+  npubs: string[];
+};
+
+const useNav = () => {
+  const { tags, npub } = useParams();
+  const [searchParams] = useSearchParams();
+  const navigate = useNavigate();
+
+  const currentSettings: Settings = useMemo(() => {
+    const nsfw = searchParams.get('nsfw') === 'true';
+
+    console.log(`tags = ${tags}, npub = ${npub}, nsfw = ${nsfw}`);
+
+    let useTags = tags?.split(',') || [];
+    if (npub == undefined && (useTags == undefined || useTags.length == 0)) {
+      useTags = defaultHashTags;
+    }
+
+    return {
+      tags: useTags,
+      npubs: npub ? [npub] : [],
+      showNsfw: nsfw,
+    };
+  }, [tags, npub, searchParams]);
+
+  const nav = (settings: Settings) => {
+    const nsfwPostfix = settings.showNsfw ? '?nsfw=true' : '';
+    const validTags = settings.tags.filter(t => t.length > 0);
+    const validNpubs = settings.npubs.filter(t => t.length > 0);
+
+    if (validTags.length > 0) {
+      navigate(`/tags/${validTags.join('%2C')}${nsfwPostfix}`);
+    } else if (validNpubs.length == 1) {
+      navigate(`/p/${validNpubs[0]}${nsfwPostfix}`);
+    } else {
+      navigate(`/${nsfwPostfix}`);
+    }
+  };
+
+  return { nav, currentSettings };
+};
+
+export default useNav;