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641 lines
21 KiB
JavaScript
641 lines
21 KiB
JavaScript
import {relayPool, generatePrivateKey, getPublicKey, signEvent} from 'nostr-tools';
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import {elem, multilineText} from './domutil.js';
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import {dateTime, formatTime} from './timeutil.js';
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// curl -H 'accept: application/nostr+json' https://nostr.x1ddos.ch
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const pool = relayPool();
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pool.addRelay('wss://relay.nostr.info', {read: true, write: true});
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pool.addRelay('wss://relay.damus.io', {read: true, write: true});
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pool.addRelay('wss://nostr.x1ddos.ch', {read: true, write: true});
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// pool.addRelay('wss://nostr.openchain.fr', {read: true, write: true});
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// pool.addRelay('wss://nostr.bitcoiner.social/', {read: true, write: true});
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// read only
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// pool.addRelay('wss://nostr.rocks', {read: true, write: false});
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function onEvent(evt, relay) {
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switch (evt.kind) {
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case 0:
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handleMetadata(evt, relay);
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break;
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case 1:
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handleTextNote(evt, relay);
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break;
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case 2:
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handleRecommendServer(evt, relay);
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break;
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case 3:
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// handleContactList(evt, relay);
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break;
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case 7:
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handleReaction(evt, relay);
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default:
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// console.log(`TODO: add support for event kind ${evt.kind}`/*, evt*/)
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}
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}
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let pubkey = localStorage.getItem('pub_key') || (() => {
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const privatekey = generatePrivateKey();
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const pubkey = getPublicKey(privatekey);
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localStorage.setItem('private_key', privatekey);
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localStorage.setItem('pub_key', pubkey);
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return pubkey;
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})();
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const subscription = pool.sub({
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cb: onEvent,
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filter: {
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// authors: [
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// '52155da703585f25053830ac39863c80ea6adc57b360472c16c566a412d2bc38', // quark
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// 'a6057742e73ff93b89587c27a74edf2cdab86904291416e90dc98af1c5f70cfa', // mosc
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// '3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d', // fiatjaf
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// '52155da703585f25053830ac39863c80ea6adc57b360472c16c566a412d2bc38', // x1ddos
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// // pubkey, // me
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// '32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245', // jb55
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// ],
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// since: new Date(Date.now() - (24 * 60 * 60 * 1000)),
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limit: 75,
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}
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});
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const textNoteList = []; // could use indexDB
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const eventRelayMap = {}; // eventId: [relay1, relay2]
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const hasEventTag = tag => tag[0] === 'e';
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function handleTextNote(evt, relay) {
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if (eventRelayMap[evt.id]) {
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eventRelayMap[evt.id] = [relay, ...(eventRelayMap[evt.id])];
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} else {
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eventRelayMap[evt.id] = [relay];
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if (evt.tags.some(hasEventTag)) {
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handleReply(evt, relay);
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} else {
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textNoteList.push(evt);
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}
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renderFeed();
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}
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}
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const replyList = [];
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const reactionMap = {};
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function handleReaction(evt, relay) {
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if (!evt.content.length) {
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// console.log('reaction with no content', evt)
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return;
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}
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const eventTags = evt.tags.filter(hasEventTag);
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let replies = eventTags.filter(([tag, eventId, relayUrl, marker]) => marker === 'reply');
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if (replies.length === 0) {
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// deprecated https://github.com/nostr-protocol/nips/blob/master/10.md#positional-e-tags-deprecated
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replies = eventTags.filter((tags) => tags[3] === undefined);
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}
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if (replies.length !== 1) {
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console.log('call me', evt);
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return;
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}
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const [tag, eventId/*, relayUrl, marker*/] = replies[0];
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if (reactionMap[eventId]) {
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if (reactionMap[eventId].find(reaction => reaction.id === evt.id)) {
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// already received this reaction from a different relay
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return;
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}
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reactionMap[eventId] = [evt, ...(reactionMap[eventId])];
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} else {
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reactionMap[eventId] = [evt];
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}
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const article = feedDomMap[eventId] || replyDomMap[eventId];
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if (article) {
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const button = article.querySelector('button[name="star"]');
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const reactions = button.querySelector('[data-reactions]');
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reactions.textContent = reactionMap[eventId].length;
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if (evt.pubkey === pubkey) {
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const star = button.querySelector('img[src$="star.svg"]');
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star.setAttribute('src', 'assets/star-fill.svg');
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star.setAttribute('title', reactionMap[eventId]);
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}
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}
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}
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// feed
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const feedContainer = document.querySelector('#homefeed');
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const feedDomMap = {};
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const replyDomMap = {};
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const restoredReplyTo = localStorage.getItem('reply_to');
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const sortByCreatedAt = (evt1, evt2) => {
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if (evt1.created_at === evt2.created_at) {
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// console.log('TODO: OMG exactly at the same time, figure out how to sort then', evt1, evt2);
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}
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return evt1.created_at > evt2.created_at ? -1 : 1;
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};
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function renderFeed() {
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const sortedFeeds = textNoteList.sort(sortByCreatedAt).reverse();
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sortedFeeds.forEach((evt, i) => {
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if (feedDomMap[evt.id]) {
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// TODO check eventRelayMap if event was published to different relays
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return;
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}
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const article = createTextNote(evt, eventRelayMap[evt.id]);
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if (i === 0) {
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feedContainer.append(article);
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} else {
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feedDomMap[sortedFeeds[i - 1].id].before(article);
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}
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feedDomMap[evt.id] = article;
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});
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}
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setInterval(() => {
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document.querySelectorAll('time[datetime]').forEach(timeElem => {
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timeElem.textContent = formatTime(new Date(timeElem.dateTime));
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});
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}, 10000);
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const elemCanvas = (text) => {
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const canvas = elem('canvas', {height: 80, width: 80});
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const context = canvas.getContext('2d');
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context.fillStyle = `#${text.slice(0, 6)}`;
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context.fillRect(0, 0, 80, 80);
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context.fillStyle = '#111';
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context.fillRect(0, 50, 80, 32);
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context.font = 'bold 18px monospace';
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context.fillText(text, 2, 46);
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return canvas;
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}
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function createTextNote(evt, relay) {
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const {host, img, isReply, name, replies, time, userName} = getMetadata(evt, relay);
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const isLongContent = evt.content.trimRight().length > 280;
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const content = isLongContent ? evt.content.slice(0, 280) : evt.content;
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const hasReactions = reactionMap[evt.id]?.length > 0;
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const didReact = hasReactions && !!reactionMap[evt.id].find(reaction => reaction.pubkey === pubkey);
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const replyFeed = replies[0] ? replies.map(e => replyDomMap[e.id] = createTextNote(e, relay)) : [];
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const body = elem('div', {className: 'mbox-body'}, [
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elem('header', {
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className: 'mbox-header',
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title: `User: ${userName}\n${time}\n\nUser pubkey: ${evt.pubkey}\n\nRelay: ${host}\n\nEvent-id: ${evt.id}
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${evt.tags.length ? `\nTags ${JSON.stringify(evt.tags)}\n` : ''}
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${isReply ? `\nReply to ${evt.tags[0][1]}\n` : ''}`
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}, [
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elem('small', {}, [
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elem('strong', {className: name ? 'mbox-kind0-name' : 'mbox-username'}, name || userName),
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' ',
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elem('time', {dateTime: time.toISOString()}, formatTime(time)),
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]),
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]),
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elem('div', {data: isLongContent ? {append: evt.content.slice(280)} : null}, multilineText(content)),
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elem('button', {
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className: 'btn-inline', name: 'star', type: 'button',
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data: {'eventId': evt.id, relay},
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}, [
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elem('img', {
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alt: didReact ? '✭' : '✩', // ♥
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height: 24, width: 24,
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src: `assets/${didReact ? 'star-fill' : 'star'}.svg`,
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title: reactionMap[evt.id]?.map(({content}) => content).join(' '),
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}),
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elem('small', {data: {reactions: evt.id}}, hasReactions ? reactionMap[evt.id].length : ''),
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]),
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elem('button', {
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className: 'btn-inline', name: 'reply', type: 'button',
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data: {'eventId': evt.id, relay},
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}, [elem('img', {height: 24, width: 24, src: 'assets/comment.svg'})]),
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// replies[0] ? elem('div', {className: 'mobx-replies'}, replyFeed.reverse()) : '',
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]);
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if (restoredReplyTo === evt.id) {
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appendReplyForm(body.querySelector('button[name="reply"]'));
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requestAnimationFrame(() => updateElemHeight(writeInput));
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}
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return rendernArticle([
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elem('div', {className: 'mbox-img'}, [(name && img) ? img : elemCanvas(userName)]), body,
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replies[0] ? elem('div', {className: 'mobx-replies'}, replyFeed.reverse()) : '',
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]);
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}
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function handleReply(evt, relay) {
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if (replyDomMap[evt.id]) {
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console.log('CALL ME already have reply in replyDomMap', evt, relay);
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return;
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}
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replyList.push(evt);
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renderReply(evt, relay);
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}
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function renderReply(evt, relay) {
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const eventId = evt.tags[0][1]; // TODO: double check
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const article = feedDomMap[eventId] || replyDomMap[eventId];
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if (!article) { // root article has not been rendered
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return;
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}
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let replyContainer = article.querySelector('.mobx-replies');
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if (!replyContainer) {
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replyContainer = elem('div', {className: 'mobx-replies'});
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article.append(replyContainer);
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}
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const reply = createTextNote(evt, relay);
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replyContainer.append(reply);
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replyDomMap[evt.id] = reply;
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}
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const sortEventCreatedAt = (created_at) => (
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{created_at: a},
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{created_at: b},
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) => (
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Math.abs(a - created_at) < Math.abs(b - created_at) ? -1 : 1
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);
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function handleRecommendServer(evt, relay) {
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if (feedDomMap[evt.id]) {
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return;
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}
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const art = renderRecommendServer(evt, relay);
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if (textNoteList.length < 2) {
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feedContainer.append(art);
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return;
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}
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const closestTextNotes = textNoteList.sort(sortEventCreatedAt(evt.created_at));
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feedDomMap[closestTextNotes[0].id].after(art);
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feedDomMap[evt.id] = art;
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}
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function handleContactList(evt, relay) {
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if (feedDomMap[evt.id]) {
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return;
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}
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const art = renderUpdateContact(evt, relay);
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if (textNoteList.length < 2) {
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feedContainer.append(art);
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return;
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}
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const closestTextNotes = textNoteList.sort(sortEventCreatedAt(evt.created_at));
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feedDomMap[closestTextNotes[0].id].after(art);
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feedDomMap[evt.id] = art;
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// const user = userList.find(u => u.pupkey === evt.pubkey);
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// if (user) {
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// console.log(`TODO: add contact list for ${evt.pubkey.slice(0, 8)} on ${relay}`, evt.tags);
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// } else {
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// tempContactList[relay] = tempContactList[relay]
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// ? [...tempContactList[relay], evt]
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// : [evt];
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// }
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}
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function renderUpdateContact(evt, relay) {
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const {img, time, userName} = getMetadata(evt, relay);
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const body = elem('div', {className: 'mbox-body', title: dateTime.format(time)}, [
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elem('header', {className: 'mbox-header'}, [
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elem('small', {}, [
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]),
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]),
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elem('pre', {title: JSON.stringify(evt.content)}, [
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elem('strong', {}, userName),
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' updated contacts: ',
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JSON.stringify(evt.tags),
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]),
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]);
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return rendernArticle([img, body], {className: 'mbox-updated-contact'});
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}
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function renderRecommendServer(evt, relay) {
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const {img, name, time, userName} = getMetadata(evt, relay);
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const body = elem('div', {className: 'mbox-body', title: dateTime.format(time)}, [
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elem('header', {className: 'mbox-header'}, [
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elem('small', {}, [
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elem('strong', {}, userName)
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]),
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]),
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` recommends server: ${evt.content}`,
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]);
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return rendernArticle([elem('div', {className: 'mbox-img'}, [
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(name && img) ? img : elemCanvas(userName)]), body
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], {className: 'mbox-recommend-server', data: {relay: evt.content}});
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}
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function rendernArticle(content, props = {}) {
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const className = props.className ? ['mbox', props?.className].join(' ') : 'mbox';
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return elem('article', {...props, className}, content);
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}
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const userList = [];
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// const tempContactList = {};
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function handleMetadata(evt, relay) {
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try {
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const content = JSON.parse(evt.content);
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setMetadata(evt, relay, content);
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} catch(err) {
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console.log(evt);
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console.error(err);
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}
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}
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const getNoxyUrl = (id, relay, url) => {
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if (!isHttpUrl(url)) {
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return false;
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}
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const picture = new URL('https://noxy.nostr.ch/data');
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picture.searchParams.set('id', id);
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picture.searchParams.set('relay', relay);
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picture.searchParams.set('url', url);
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return picture.href;
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}
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function setMetadata(evt, relay, content) {
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const user = userList.find(u => u.pubkey === evt.pubkey);
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const picture = getNoxyUrl(evt.id, relay, content.picture);
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if (!user) {
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userList.push({
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metadata: {[relay]: content},
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...(content.picture && {picture}),
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pubkey: evt.pubkey,
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});
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} else {
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user.metadata[relay] = {
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...user.metadata[relay],
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timestamp: evt.created_at,
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...content,
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};
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if (!user.picture) {
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user.picture = picture;
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} // no support (yet) for other picture from same pubkey on different relays
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}
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// if (tempContactList[relay]) {
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// const updates = tempContactList[relay].filter(update => update.pubkey === evt.pubkey);
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// if (updates) {
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// console.log('TODO: add contact list (kind 3)', updates);
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// }
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// }
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}
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function isHttpUrl(string) {
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try {
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return ['http:', 'https:'].includes(new URL(string).protocol);
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} catch (err) {
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return false;
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}
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}
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const getHost = (url) => {
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try {
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return new URL(url).host;
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} catch(err) {
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return err;
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}
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}
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function getMetadata(evt, relay) {
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const host = getHost(relay);
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const user = userList.find(user => user.pubkey === evt.pubkey);
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const userImg = user?.picture;
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const name = user?.metadata[relay]?.name;
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const userName = name || evt.pubkey.slice(0, 8);
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const userAbout = user?.metadata[relay]?.about || '';
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const img = elem('img', {
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src: userImg,
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alt: `${userName} ${host}`,
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title: `${userName} on ${host} ${userAbout}`,
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}, '');
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const isReply = evt.tags.some(hasEventTag);
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const replies = replyList.filter((reply) => reply.tags[0][1] === evt.id);
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const time = new Date(evt.created_at * 1000);
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return {host, img, isReply, name, replies, time, userName};
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}
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feedContainer.addEventListener('click', (e) => {
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const button = e.target.closest('button');
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if (button && button.name === 'reply') {
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if (localStorage.getItem('reply_to') === button.dataset.eventId) {
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writeInput.blur();
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return;
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}
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appendReplyForm(button);
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localStorage.setItem('reply_to', button.dataset.eventId);
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return;
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}
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if (button && button.name === 'star') {
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upvote(button.dataset.eventId, button.dataset.relay)
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return;
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}
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});
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const writeForm = document.querySelector('#writeForm');
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const writeInput = document.querySelector('textarea[name="message"]');
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const elemShrink = () => {
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const height = writeInput.style.height || writeInput.getBoundingClientRect().height;
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const shrink = elem('div', {className: 'shrink-out'});
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shrink.style.height = `${height}px`;
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shrink.addEventListener('animationend', () => shrink.remove(), {once: true});
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return shrink;
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}
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writeInput.addEventListener('focusout', () => {
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const reply_to = localStorage.getItem('reply_to');
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if (reply_to && writeInput.value === '') {
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writeInput.addEventListener('transitionend', (event) => {
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if (!reply_to || reply_to === localStorage.getItem('reply_to') && !writeInput.style.height) { // should prob use some class or data-attr instead of relying on height
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writeForm.after(elemShrink());
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writeForm.remove();
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localStorage.removeItem('reply_to');
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}
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}, {once: true});
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}
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});
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function appendReplyForm(el) {
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writeForm.before(elemShrink());
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writeInput.blur();
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writeInput.style.removeProperty('height');
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el.after(writeForm);
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if (writeInput.value && !writeInput.value.trimRight()) {
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writeInput.value = '';
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} else {
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requestAnimationFrame(() => updateElemHeight(writeInput));
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}
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requestAnimationFrame(() => writeInput.focus());
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}
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const newMessageDiv = document.querySelector('#newMessage');
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document.querySelector('#bubble').addEventListener('click', (e) => {
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localStorage.removeItem('reply_to'); // should it forget old replyto context?
|
|
newMessageDiv.prepend(writeForm);
|
|
hideNewMessage(false);
|
|
writeInput.focus();
|
|
if (writeInput.value.trimRight()) {
|
|
writeInput.style.removeProperty('height');
|
|
}
|
|
document.body.style.overflow = 'hidden';
|
|
requestAnimationFrame(() => updateElemHeight(writeInput));
|
|
});
|
|
|
|
document.body.addEventListener('keyup', (e) => {
|
|
if (e.key === 'Escape') {
|
|
hideNewMessage(true);
|
|
}
|
|
});
|
|
|
|
function hideNewMessage(hide) {
|
|
document.body.style.removeProperty('overflow');
|
|
newMessageDiv.hidden = hide;
|
|
}
|
|
|
|
async function upvote(eventId, relay) {
|
|
const privatekey = localStorage.getItem('private_key');
|
|
const newReaction = {
|
|
kind: 7,
|
|
pubkey, // TODO: lib could check that this is the pubkey of the key to sign with
|
|
content: '+',
|
|
tags: [['e', eventId, relay, 'reply']],
|
|
created_at: Math.floor(Date.now() * 0.001),
|
|
};
|
|
const sig = await signEvent(newReaction, privatekey).catch(console.error);
|
|
if (sig) {
|
|
const ev = await pool.publish({...newReaction, sig}, (status, url) => {
|
|
if (status === 0) {
|
|
console.info(`publish request sent to ${url}`);
|
|
}
|
|
if (status === 1) {
|
|
console.info(`event published by ${url}`);
|
|
}
|
|
}).catch(console.error);
|
|
}
|
|
}
|
|
|
|
// send
|
|
const sendStatus = document.querySelector('#sendstatus');
|
|
const onSendError = err => sendStatus.textContent = err.message;
|
|
const publish = document.querySelector('#publish');
|
|
writeForm.addEventListener('submit', async (e) => {
|
|
e.preventDefault();
|
|
// const pubkey = localStorage.getItem('pub_key');
|
|
const privatekey = localStorage.getItem('private_key');
|
|
if (!pubkey || !privatekey) {
|
|
return onSendError(new Error('no pubkey/privatekey'));
|
|
}
|
|
const content = writeInput.value.trimRight();
|
|
if (!content) {
|
|
return onSendError(new Error('message is empty'));
|
|
}
|
|
const replyTo = localStorage.getItem('reply_to');
|
|
const tags = replyTo ? [['e', replyTo, eventRelayMap[replyTo][0]]] : [];
|
|
const newEvent = {
|
|
kind: 1,
|
|
pubkey,
|
|
content,
|
|
tags,
|
|
created_at: Math.floor(Date.now() * 0.001),
|
|
};
|
|
const sig = await signEvent(newEvent, privatekey).catch(onSendError);
|
|
if (sig) {
|
|
const ev = await pool.publish({...newEvent, sig}, (status, url) => {
|
|
if (status === 0) {
|
|
console.info(`publish request sent to ${url}`);
|
|
}
|
|
if (status === 1) {
|
|
sendStatus.textContent = '';
|
|
writeInput.value = '';
|
|
writeInput.style.removeProperty('height');
|
|
publish.disabled = true;
|
|
if (replyTo) {
|
|
localStorage.removeItem('reply_to');
|
|
newMessageDiv.append(writeForm);
|
|
}
|
|
// console.info(`event published by ${url}`, ev);
|
|
}
|
|
});
|
|
}
|
|
});
|
|
|
|
writeInput.addEventListener('input', () => {
|
|
publish.disabled = !writeInput.value.trimRight();
|
|
updateElemHeight(writeInput);
|
|
});
|
|
writeInput.addEventListener('blur', () => sendStatus.textContent = '');
|
|
|
|
function updateElemHeight(el) {
|
|
el.style.removeProperty('height');
|
|
if (el.value) {
|
|
el.style.paddingBottom = 0;
|
|
el.style.paddingTop = 0;
|
|
el.style.height = el.scrollHeight + 'px';
|
|
el.style.removeProperty('padding-bottom');
|
|
el.style.removeProperty('padding-top');
|
|
}
|
|
}
|
|
|
|
// settings
|
|
const settingsForm = document.querySelector('form[name="settings"]');
|
|
const privateKeyInput = settingsForm.querySelector('#privatekey');
|
|
const pubKeyInput = settingsForm.querySelector('#pubkey');
|
|
const statusMessage = settingsForm.querySelector('#keystatus');
|
|
const generateBtn = settingsForm.querySelector('button[name="generate"]');
|
|
const importBtn = settingsForm.querySelector('button[name="import"]');
|
|
const privateTgl = settingsForm.querySelector('button[name="privatekey-toggle"]');
|
|
|
|
generateBtn.addEventListener('click', () => {
|
|
const privatekey = generatePrivateKey();
|
|
const pubkey = getPublicKey(privatekey);
|
|
if (validKeys(privatekey, pubkey)) {
|
|
privateKeyInput.value = privatekey;
|
|
pubKeyInput.value = pubkey;
|
|
statusMessage.textContent = 'private-key created!';
|
|
statusMessage.hidden = false;
|
|
}
|
|
});
|
|
|
|
importBtn.addEventListener('click', () => {
|
|
const privatekey = privateKeyInput.value;
|
|
const pubkeyInput = pubKeyInput.value;
|
|
if (validKeys(privatekey, pubkeyInput)) {
|
|
localStorage.setItem('private_key', privatekey);
|
|
localStorage.setItem('pub_key', pubkeyInput);
|
|
statusMessage.textContent = 'stored private and public key locally!';
|
|
statusMessage.hidden = false;
|
|
pubkey = pubkeyInput;
|
|
}
|
|
});
|
|
|
|
settingsForm.addEventListener('input', () => validKeys(privateKeyInput.value, pubKeyInput.value));
|
|
|
|
function validKeys(privatekey, pubkey) {
|
|
try {
|
|
if (getPublicKey(privatekey) === pubkey) {
|
|
statusMessage.hidden = true;
|
|
statusMessage.textContent = 'public-key corresponds to private-key';
|
|
importBtn.removeAttribute('disabled');
|
|
return true;
|
|
} else {
|
|
statusMessage.textContent = 'private-key does not correspond to public-key!'
|
|
}
|
|
} catch (e) {
|
|
statusMessage.textContent = `not a valid private-key: ${e.message || e}`;
|
|
}
|
|
statusMessage.hidden = false;
|
|
importBtn.setAttribute('disabled', true);
|
|
return false;
|
|
}
|
|
|
|
privateTgl.addEventListener('click', () => {
|
|
privateKeyInput.type = privateKeyInput.type === 'text' ? 'password' : 'text';
|
|
});
|
|
|
|
privateKeyInput.value = localStorage.getItem('private_key');
|
|
pubKeyInput.value = localStorage.getItem('pub_key');
|
|
|
|
document.body.addEventListener('click', (e) => {
|
|
const container = e.target.closest('[data-append]');
|
|
if (container) {
|
|
container.append(...multilineText(container.dataset.append));
|
|
delete container.dataset.append;
|
|
return;
|
|
}
|
|
const back = e.target.closest('[name="back"]')
|
|
if (back) {
|
|
hideNewMessage(true);
|
|
}
|
|
});
|