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import { useState, useEffect, useRef } from 'react';
import { Route, Link, Routes } from 'react-router-dom';
import { useScroll, useRafState } from 'react-use';
import qs from 'qs';
import svg4everybody from 'svg4everybody';
import Icon from './ui/Icon';
import { Discover, Discussions, Blog, Tag, Home } from './ui/Feeds';
import { Friends, Readers } from './ui/Users';
import Settings from './ui/Settings';
import Contacts from './ui/Contacts';
import Chat from './ui/Chat';
import Header from './ui/Header';
import Post from './ui/Post';
import Thread from './ui/Thread';
import Login from './ui/Login';
import { useCookies } from 'react-cookie';
import { me } from './api';
const elClassHidden = 'header--hidden';
const elClassTop = 'content--top';
/**
*
*/
export default function App({ footer }) {
let contentRef = useRef(null);
const [cookie, setCookie] = useCookies(['hash']);
useEffect(() => {
svg4everybody();
let params = qs.parse(window.location.search.substring(1));
if (params.hash) {
setCookie('hash', params.hash, { path: '/' });
let retpath = params.retpath || `${window.location.protocol}//${window.location.host}${window.location.pathname}`;
window.history.replaceState({}, document.title, retpath);
}
}, [setCookie, footer]);
/**
* @type {import('./api').SecureUser}
*/
const unknownUser = {
uid: -1
};
const [visitor, setVisitor] = useState(unknownUser);
let updateStatus = () => {
// refresh server visitor state (unread counters)
me().then(visitor => {
setVisitor(visitor);
});
};
const [scrollState, setScrollState] = useRafState({
hidden: false,
top: false,
prevScroll: 0
});
let { x, y } = useScroll(contentRef);
useEffect(() => {
let dHeight = contentRef.current.scrollHeight;
let wHeight = contentRef.current.clientHeight;
setScrollState((scrollState) => {
let wScrollDiff = scrollState.prevScroll - y;
let hidden = scrollState.hidden;
let top = scrollState.top;
if (y <= 0) {
// scrolled to the very top; element sticks to the top
hidden = false;
top = true;
} else if ((wScrollDiff > 0) && hidden) {
// scrolled up; element slides in
hidden = false;
top = false;
} else if (wScrollDiff < 0) {
// scrolled down
if ((y + wHeight) >= dHeight && hidden) {
// scrolled to the very bottom; element slides in
hidden = false;
top = false;
} else {
// scrolled down; element slides out
hidden = true;
top = false;
}
}
return {
hidden: hidden,
top: top,
prevScroll: y
};
});
}, [x, y, setScrollState]);
const [hash, setHash] = useState(cookie.hash);
const [eventSource, setEventSource] = /** @param EventSource? */ useState({});
useEffect(() => {
let es;
const anonymousUser = {
uid: 0
};
if (hash) {
me().then(visitor => auth(visitor))
.catch(() => setVisitor(anonymousUser));
if ('EventSource' in window) {
const eventParams = { hash: hash };
let url = new URL(`https://juick.com/api/events?${qs.stringify(eventParams)}`);
es = new EventSource(url.toString());
es.onopen = () => {
console.log('online');
};
es.onerror = () => {
es.removeEventListener('read', updateStatus);
es.removeEventListener('msg', updateStatus);
};
es.addEventListener('read', updateStatus);
es.addEventListener('msg', updateStatus);
setEventSource(es);
}
} else {
setVisitor(anonymousUser);
}
return (() => {
if (es && es.removeEventListener) {
es.removeEventListener('read', updateStatus);
es.removeEventListener('msg', updateStatus);
}
});
}, [hash]);
/**
* @param {import("./api").SecureUser} visitor
*/
let auth = (visitor) => {
setVisitor(prevState => {
if (visitor.hash != prevState.hash) {
setHash(visitor.hash);
}
return visitor;
});
};
return (
<>
<Header visitor={visitor} className={scrollState.hidden ? elClassHidden : ''} />
<div id="content_wrapper">
{
<aside id="sidebar">
<div id="sidebar_wrapper">
{visitor.uid > 0 && (<>
<Link to="/?show=my">
<Icon name="ei-clock" size="s" />
<span className="desktop">My feed</span>
</Link>
<Link to="/pm">
<Icon name="ei-envelope" size="s" />
<span className="desktop">Messages</span>
</Link>
<Link to="/?show=discuss">
<Icon name="ei-bell" size="s" />
<span className="desktop">Discussions</span>
</Link>
<Link to="/settings" rel="nofollow">
<Icon name="ei-gear" size="s" />
<span className="desktop">Settings</span>
</Link>
</>)}
<div id="footer" className="desktop">
<div id="footer-left">juick.com © 2008-2022
{footer && (<><br />Sponsors: <span dangerouslySetInnerHTML={{ __html: footer }}></span></>)}</div>
<div id="footer-right">
· <Link href="/help/contacts" rel="nofollow">Contacts</Link>
· <Link href="/help/tos" rel="nofollow">TOS</Link>
</div>
</div>
</div>
</aside>
}
<section id="content" ref={contentRef} className={scrollState.top ? elClassTop : ''}>
<Routes>
<Route exact path="/" element={<Discussions visitor={visitor} />} />
<Route exact path="/home" element={<Home visitor={visitor} />} />
<Route exact path="/discover" element={<Discover visitor={visitor} />} />
<Route exact path="/settings" element={<Settings visitor={visitor} onChange={auth} />} />
<Route exact path="/login" element={<Login visitor={visitor} onAuth={auth} />} />
<Route exact path="/post" element={<Post visitor={visitor} />} />
<Route exact path="/pm" element={<Contacts visitor={visitor} />} />
<Route exact path="/pm/:user" element={<Chat connection={eventSource} visitor={visitor} />} />
<Route exact path="/:user/friends" element={<Friends />} />
<Route exact path="/:user/readers" element={<Readers />} />
<Route exact path="/:user" element={<Blog visitor={visitor} />} />
<Route exact path="/tag/:tag" element={<Tag visitor={visitor} />} />
<Route exact path="/:user/:mid" element={<Thread connection={eventSource} visitor={visitor} />} />
</Routes>
</section>
</div>
</>
);
}
|
