Thread viewer for Bluesky
mackuba.eu
1/**
2 * Renders a post/thread view and its subviews.
3 */
4
5class PostComponent {
6 /**
7 * Post component's root HTML element, if built.
8 * @type {HTMLElement | undefined}
9 */
10 _rootElement;
11
12 /**
13 Contexts:
14 - thread - a post in the thread tree
15 - parent - parent reference above the thread root
16 - quote - a quote embed
17 - quotes - a post on the quotes page
18 - feed - a post on the hashtag feed page
19
20 @typedef {'thread' | 'parent' | 'quote' | 'quotes' | 'feed'} PostContext
21 @param {AnyPost} post, @param {PostContext} context
22 */
23 constructor(post, context) {
24 this.post = /** @type {Post}, TODO */ (post);
25 this.context = context;
26 }
27
28 /**
29 * @returns {HTMLElement}
30 */
31 get rootElement() {
32 if (!this._rootElement) {
33 throw new Error("rootElement not initialized");
34 }
35
36 return this._rootElement;
37 }
38
39 /** @returns {boolean} */
40 get isRoot() {
41 return this.post.isRoot;
42 }
43
44 /** @returns {string} */
45 get linkToAuthor() {
46 if (this.post.author.handle != 'handle.invalid') {
47 return 'https://bsky.app/profile/' + this.post.author.handle;
48 } else {
49 return 'https://bsky.app/profile/' + this.post.author.did;
50 }
51 }
52
53 /** @returns {string} */
54 get linkToPost() {
55 return this.linkToAuthor + '/post/' + this.post.rkey;
56 }
57
58 /** @returns {string} */
59 get didLinkToAuthor() {
60 let { repo } = atURI(this.post.uri);
61 return `https://bsky.app/profile/${repo}`;
62 }
63
64 /** @returns {string} */
65 get didLinkToPost() {
66 let { repo, rkey } = atURI(this.post.uri);
67 return `https://bsky.app/profile/${repo}/post/${rkey}`;
68 }
69
70 /** @returns {string} */
71 get authorName() {
72 if (this.post.author.displayName) {
73 return this.post.author.displayName;
74 } else if (this.post.author.handle.endsWith('.bsky.social')) {
75 return this.post.author.handle.replace(/\.bsky\.social$/, '');
76 } else {
77 return this.post.author.handle;
78 }
79 }
80
81 /** @returns {json} */
82 get timeFormatForTimestamp() {
83 if (this.context == 'quotes' || this.context == 'feed') {
84 return { weekday: 'short', day: 'numeric', month: 'short', year: 'numeric', hour: 'numeric', minute: 'numeric' };
85 } else if (this.isRoot || this.context != 'thread') {
86 return { day: 'numeric', month: 'short', year: 'numeric', hour: 'numeric', minute: 'numeric' };
87 } else if (this.post.pageRoot && !sameDay(this.post.createdAt, this.post.pageRoot.createdAt)) {
88 return { day: 'numeric', month: 'short', hour: 'numeric', minute: 'numeric' };
89 } else {
90 return { hour: 'numeric', minute: 'numeric' };
91 }
92 }
93
94 /** @param {HTMLElement} nodeToUpdate */
95 installIntoElement(nodeToUpdate) {
96 let view = this.buildElement();
97
98 let oldContent = $(nodeToUpdate.querySelector('.content'));
99 let newContent = $(view.querySelector('.content'));
100 oldContent.replaceWith(newContent);
101
102 this._rootElement = nodeToUpdate;
103 }
104
105 /** @returns {HTMLElement} */
106 buildElement() {
107 if (this._rootElement) {
108 return this._rootElement;
109 }
110
111 let div = $tag('div.post', `post-${this.context}`);
112 this._rootElement = div;
113
114 if (this.post.muted) {
115 div.classList.add('muted');
116 }
117
118 if (this.post instanceof BlockedPost) {
119 this.buildBlockedPostElement(div);
120 return div;
121 } else if (this.post instanceof DetachedQuotePost) {
122 this.buildDetachedQuoteElement(div);
123 return div;
124 } else if (this.post instanceof MissingPost) {
125 this.buildMissingPostElement(div);
126 return div;
127 }
128
129 let header = this.buildPostHeader();
130 div.appendChild(header);
131
132 let content = $tag('div.content');
133
134 if (this.context == 'thread' && !this.isRoot) {
135 let edgeMargin = this.buildEdgeMargin();
136 div.appendChild(edgeMargin);
137 }
138
139 let wrapper;
140
141 if (this.post.muted) {
142 let details = $tag('details');
143
144 let summary = $tag('summary');
145 summary.innerText = this.post.muteList ? `Muted (${this.post.muteList})` : 'Muted - click to show';
146 details.appendChild(summary);
147
148 content.appendChild(details);
149 wrapper = details;
150 } else {
151 wrapper = content;
152 }
153
154 let p = this.buildPostBody();
155 wrapper.appendChild(p);
156
157 if (this.post.tags) {
158 let tagsRow = this.buildTagsRow(this.post.tags);
159 wrapper.appendChild(tagsRow);
160 }
161
162 if (this.post.embed) {
163 let embed = new EmbedComponent(this.post, this.post.embed).buildElement();
164 wrapper.appendChild(embed);
165 }
166
167 if (this.post.likeCount !== undefined && this.post.repostCount !== undefined) {
168 let stats = this.buildStatsFooter();
169 wrapper.appendChild(stats);
170 }
171
172 if (this.post.replyCount == 1 && this.post.replies[0]?.author?.did == this.post.author.did) {
173 let component = new PostComponent(this.post.replies[0], 'thread');
174 let element = component.buildElement();
175 element.classList.add('flat');
176 content.appendChild(element);
177 } else {
178 for (let reply of this.post.replies) {
179 if (reply instanceof MissingPost) { continue }
180 if (reply instanceof BlockedPost && window.biohazardEnabled === false) { continue }
181
182 let component = new PostComponent(reply, 'thread');
183 content.appendChild(component.buildElement());
184 }
185 }
186
187 if (this.context == 'thread') {
188 if (this.post.hasMoreReplies) {
189 let loadMore = this.buildLoadMoreLink();
190 content.appendChild(loadMore);
191 } else if (this.post.hasHiddenReplies && window.biohazardEnabled !== false) {
192 let loadMore = this.buildHiddenRepliesLink();
193 content.appendChild(loadMore);
194 }
195 }
196
197 div.appendChild(content);
198
199 return div;
200 }
201
202 /** @returns {HTMLElement} */
203
204 buildPostHeader() {
205 let timeFormat = this.timeFormatForTimestamp;
206 let formattedTime = this.post.createdAt.toLocaleString(window.dateLocale, timeFormat);
207 let isoTime = this.post.createdAt.toISOString();
208
209 let h = $tag('h2');
210
211 h.innerHTML = `${escapeHTML(this.authorName)} `;
212
213 if (this.post.isFediPost) {
214 let handle = this.post.authorFediHandle;
215 h.innerHTML += `<a class="handle" href="${this.linkToAuthor}" target="_blank">@${handle}</a> ` +
216 `<img src="icons/mastodon.svg" class="mastodon"> `;
217 } else {
218 h.innerHTML += `<a class="handle" href="${this.linkToAuthor}" target="_blank">@${this.post.author.handle}</a> `;
219 }
220
221 h.innerHTML += `<span class="separator">•</span> ` +
222 `<a class="time" href="${this.linkToPost}" target="_blank" title="${isoTime}">${formattedTime}</a> `;
223
224 if (this.post.replyCount > 0 && !this.isRoot || ['quote', 'quotes', 'feed'].includes(this.context)) {
225 h.innerHTML +=
226 `<span class="separator">•</span> ` +
227 `<a href="${linkToPostThread(this.post)}" class="action" title="Load this subtree">` +
228 `<i class="fa-solid fa-arrows-split-up-and-left fa-rotate-180"></i></a> `;
229 }
230
231 if (this.post.muted) {
232 h.prepend($tag('i', 'missing fa-regular fa-circle-user fa-2x'));
233 } else if (this.post.author.avatar) {
234 h.prepend(this.buildUserAvatar(this.post.author.avatar));
235 } else {
236 h.prepend($tag('i', 'missing fa-regular fa-face-smile fa-2x'));
237 }
238
239 return h;
240 }
241
242 buildEdgeMargin() {
243 let div = $tag('div.margin');
244
245 let edge = $tag('div.edge');
246 let line = $tag('div.line');
247 edge.appendChild(line);
248 div.appendChild(edge);
249
250 let plus = $tag('img.plus', { src: 'icons/subtract-square.png' });
251 div.appendChild(plus);
252
253 [edge, plus].forEach(x => {
254 x.addEventListener('click', (e) => {
255 e.preventDefault();
256 this.toggleSectionFold();
257 });
258 });
259
260 return div;
261 }
262
263 /** @param {string} url, @returns {HTMLImageElement} */
264
265 buildUserAvatar(url) {
266 let avatar = $tag('img.avatar', { loading: 'lazy' }, HTMLImageElement); // needs to be set before src!
267 avatar.src = url;
268 window.avatarPreloader.observe(avatar);
269 return avatar;
270 }
271
272 /** @returns {HTMLElement} */
273
274 buildPostBody() {
275 if (this.post.originalFediContent) {
276 return $tag('div.body', { html: sanitizeHTML(this.post.originalFediContent) });
277 }
278
279 let p = $tag('p.body');
280 let richText = new RichText({ text: this.post.text, facets: this.post.facets });
281
282 for (let seg of richText.segments()) {
283 if (seg.mention) {
284 p.append($tag('a', { href: `https://bsky.app/profile/${seg.mention.did}`, text: seg.text }));
285 } else if (seg.link) {
286 p.append($tag('a', { href: seg.link.uri, text: seg.text }));
287 } else if (seg.tag) {
288 let url = new URL(getLocation());
289 url.searchParams.set('hash', seg.tag.tag);
290 p.append($tag('a', { href: url.toString(), text: seg.text }));
291 } else if (seg.text.includes("\n")) {
292 let span = $tag('span', { text: seg.text });
293 span.innerHTML = span.innerHTML.replaceAll("\n", "<br>");
294 p.append(span);
295 } else {
296 p.append(seg.text);
297 }
298 }
299
300 return p;
301 }
302
303 /** @param {string[]} tags, @returns {HTMLElement} */
304
305 buildTagsRow(tags) {
306 let p = $tag('p.tags');
307
308 for (let tag of tags) {
309 let url = new URL(getLocation());
310 url.searchParams.set('hash', tag);
311
312 let tagLink = $tag('a', { href: url.toString(), text: '# ' + tag });
313 p.append(tagLink);
314 }
315
316 return p;
317 }
318
319 /** @returns {HTMLElement} */
320
321 buildStatsFooter() {
322 let stats = $tag('p.stats');
323
324 let span = $tag('span');
325 let heart = $tag('i', 'fa-solid fa-heart ' + (this.post.liked ? 'liked' : ''));
326 heart.addEventListener('click', (e) => this.onHeartClick(heart));
327
328 span.append(heart, ' ', $tag('output', { text: this.post.likeCount }));
329 stats.append(span);
330
331 if (this.post.repostCount > 0) {
332 let span = $tag('span', { html: `<i class="fa-solid fa-retweet"></i> ${this.post.repostCount}` });
333 stats.append(span);
334 }
335
336 if (this.post.replyCount > 0 && (this.context == 'quotes' || this.context == 'feed')) {
337 let pluralizedCount = (this.post.replyCount > 1) ? `${this.post.replyCount} replies` : '1 reply';
338 let span = $tag('span', {
339 html: `<i class="fa-regular fa-message"></i> <a href="${linkToPostThread(this.post)}">${pluralizedCount}</a>`
340 });
341 stats.append(span);
342 }
343
344 if (!this.isRoot && this.context != 'quote' && this.post.quoteCount) {
345 let expanded = this.context == 'quotes' || this.context == 'feed';
346 let quotesLink = this.buildQuotesIconLink(this.post.quoteCount, expanded);
347 stats.append(quotesLink);
348 }
349
350 return stats;
351 }
352
353 /** @param {number} count, @param {boolean} expanded, @returns {HTMLElement} */
354
355 buildQuotesIconLink(count, expanded) {
356 let q = new URL(getLocation());
357 q.searchParams.set('quotes', this.linkToPost);
358
359 let url = q.toString();
360 let icon = `<i class="fa-regular fa-comments"></i>`;
361
362 if (expanded) {
363 let span = $tag('span', { html: `${icon} ` });
364 let link = $tag('a', { text: (count > 1) ? `${count} quotes` : '1 quote', href: url });
365 span.append(link);
366 return span;
367 } else {
368 return $tag('a', { html: `${icon} ${count}`, href: url });
369 }
370 }
371
372 /** @param {number} quoteCount, @param {boolean} expanded */
373
374 appendQuotesIconLink(quoteCount, expanded) {
375 let stats = $(this.rootElement.querySelector(':scope > .content > p.stats'));
376 let quotesLink = this.buildQuotesIconLink(quoteCount, expanded);
377 stats.append(quotesLink);
378 }
379
380 /** @returns {HTMLElement} */
381
382 buildLoadMoreLink() {
383 let loadMore = $tag('p');
384
385 let link = $tag('a', {
386 href: linkToPostThread(this.post),
387 text: "Load more replies…"
388 });
389
390 link.addEventListener('click', (e) => {
391 e.preventDefault();
392 loadMore.innerHTML = `<img class="loader" src="icons/sunny.png">`;
393 this.loadSubtree(this.post, this.rootElement);
394 });
395
396 loadMore.appendChild(link);
397 return loadMore;
398 }
399
400 /** @returns {HTMLElement} */
401
402 buildHiddenRepliesLink() {
403 let loadMore = $tag('p.hidden-replies');
404
405 let link = $tag('a', {
406 href: linkToPostThread(this.post),
407 text: "Load hidden replies…"
408 });
409
410 link.addEventListener('click', (e) => {
411 e.preventDefault();
412
413 if (window.biohazardEnabled === true) {
414 this.loadHiddenReplies(loadMore);
415 } else {
416 window.loadInfohazard = () => this.loadHiddenReplies(loadMore);
417 showDialog($id('biohazard_dialog'));
418 }
419 });
420
421 loadMore.append("☣️ ", link);
422 return loadMore;
423 }
424
425 /** @param {HTMLElement} loadMoreButton */
426
427 loadHiddenReplies(loadMoreButton) {
428 loadMoreButton.innerHTML = `<img class="loader" src="icons/sunny.png">`;
429 this.loadHiddenSubtree(this.post, this.rootElement);
430 }
431
432 /** @param {HTMLLinkElement} authorLink */
433
434 loadReferencedPostAuthor(authorLink) {
435 let did = atURI(this.post.uri).repo;
436
437 api.fetchHandleForDid(did).then(handle => {
438 if (this.post.author) {
439 this.post.author.handle = handle;
440 } else {
441 this.post.author = { did, handle };
442 }
443
444 authorLink.href = this.linkToAuthor;
445 authorLink.innerText = `@${handle}`;
446 });
447 }
448
449 /** @param {HTMLElement} div, @returns {HTMLElement} */
450
451 buildBlockedPostElement(div) {
452 let p = $tag('p.blocked-header');
453 p.innerHTML = `<i class="fa-solid fa-ban"></i> <span>Blocked post</span>`;
454
455 if (window.biohazardEnabled === false) {
456 div.appendChild(p);
457 div.classList.add('blocked');
458 return p;
459 }
460
461 let blockStatus = this.post.blockedByUser ? 'has blocked you' : this.post.blocksUser ? "you've blocked them" : '';
462 blockStatus = blockStatus ? `, ${blockStatus}` : '';
463
464 let authorLink = $tag('a', { href: this.didLinkToAuthor, target: '_blank', text: 'see author' }, HTMLLinkElement);
465 p.append(' (', authorLink, blockStatus, ') ');
466 div.appendChild(p);
467
468 this.loadReferencedPostAuthor(authorLink);
469
470 let loadPost = $tag('p.load-post');
471 let a = $tag('a', { href: '#', text: "Load post…" });
472
473 a.addEventListener('click', (e) => {
474 e.preventDefault();
475 loadPost.innerHTML = ' ';
476 this.loadBlockedPost(this.post.uri, div);
477 });
478
479 loadPost.appendChild(a);
480 div.appendChild(loadPost);
481 div.classList.add('blocked');
482 return div;
483 }
484
485 /** @param {HTMLElement} div, @returns {HTMLElement} */
486
487 buildDetachedQuoteElement(div) {
488 let p = $tag('p.blocked-header');
489 p.innerHTML = `<i class="fa-solid fa-ban"></i> <span>Hidden quote</span>`;
490
491 if (window.biohazardEnabled === false) {
492 div.appendChild(p);
493 div.classList.add('blocked');
494 return p;
495 }
496
497 let authorLink = $tag('a', { href: this.didLinkToAuthor, target: '_blank', text: 'see author' }, HTMLLinkElement);
498 p.append(' (', authorLink, ') ');
499 div.appendChild(p);
500
501 this.loadReferencedPostAuthor(authorLink);
502
503 let loadPost = $tag('p.load-post');
504 let a = $tag('a', { href: '#', text: "Load post…" });
505
506 a.addEventListener('click', (e) => {
507 e.preventDefault();
508 loadPost.innerHTML = ' ';
509 this.loadBlockedPost(this.post.uri, div);
510 });
511
512 loadPost.appendChild(a);
513 div.appendChild(loadPost);
514 div.classList.add('blocked');
515 return div;
516 }
517
518 /** @param {HTMLElement} div, @returns {HTMLElement} */
519
520 buildMissingPostElement(div) {
521 let p = $tag('p.blocked-header');
522 p.innerHTML = `<i class="fa-solid fa-ban"></i> <span>Deleted post</span>`;
523
524 let authorLink = $tag('a', { href: this.didLinkToAuthor, target: '_blank', text: 'see author' }, HTMLLinkElement);
525 p.append(' (', authorLink, ') ');
526
527 this.loadReferencedPostAuthor(authorLink);
528
529 div.appendChild(p);
530 div.classList.add('blocked');
531 return div;
532 }
533
534 /** @param {string} uri, @param {HTMLElement} div, @returns Promise<void> */
535
536 async loadBlockedPost(uri, div) {
537 let record = await appView.loadPostIfExists(this.post.uri);
538
539 if (!record) {
540 let post = new MissingPost({ uri: this.post.uri });
541 let postView = new PostComponent(post, 'quote').buildElement();
542 div.replaceWith(postView);
543 return;
544 }
545
546 this.post = new Post(record);
547
548 let userView = await api.getRequest('app.bsky.actor.getProfile', { actor: this.post.author.did });
549
550 if (!userView.viewer || !(userView.viewer.blockedBy || userView.viewer.blocking)) {
551 let { repo, rkey } = atURI(this.post.uri);
552
553 let a = $tag('a', {
554 href: linkToPostById(repo, rkey),
555 className: 'action',
556 title: "Load thread",
557 html: `<i class="fa-solid fa-arrows-split-up-and-left fa-rotate-180"></i>`
558 });
559
560 let header = $(div.querySelector('p.blocked-header'));
561 let separator = $tag('span.separator', { html: '•' });
562 header.append(separator, ' ', a);
563 }
564
565 let loadPost = $(div.querySelector('p.load-post'));
566 loadPost.remove();
567
568 if (this.isRoot && this.post.parentReference) {
569 let { repo, rkey } = atURI(this.post.parentReference.uri);
570 let url = linkToPostById(repo, rkey);
571
572 let handle = api.findHandleByDid(repo);
573 let link = handle ? `See parent post (@${handle})` : "See parent post";
574
575 let p = $tag('p.back', { html: `<i class="fa-solid fa-reply"></i><a href="${url}">${link}</a>` });
576 div.appendChild(p);
577 }
578
579 let p = this.buildPostBody();
580 div.appendChild(p);
581
582 if (this.post.embed) {
583 let embed = new EmbedComponent(this.post, this.post.embed).buildElement();
584 div.appendChild(embed);
585
586 // TODO
587 Array.from(div.querySelectorAll('a.link-card')).forEach(x => x.remove());
588 }
589 }
590
591 /** @param {Post} post, @param {HTMLElement} nodeToUpdate, @returns {Promise<void>} */
592
593 async loadSubtree(post, nodeToUpdate) {
594 try {
595 let json = await api.loadThreadByAtURI(post.uri);
596
597 let root = Post.parseThreadPost(json.thread, post.pageRoot, 0, post.absoluteLevel);
598 post.updateDataFromPost(root);
599 window.subtreeRoot = post;
600
601 let component = new PostComponent(post, 'thread');
602 component.installIntoElement(nodeToUpdate);
603 } catch (error) {
604 showError(error);
605 }
606 }
607
608
609 /** @param {Post} post, @param {HTMLElement} nodeToUpdate, @returns {Promise<void>} */
610
611 async loadHiddenSubtree(post, nodeToUpdate) {
612 let content = $(nodeToUpdate.querySelector('.content'));
613 let hiddenRepliesDiv = $(content.querySelector(':scope > .hidden-replies'));
614
615 try {
616 var expectedReplyURIs = await blueAPI.getReplies(post.uri);
617 } catch (error) {
618 hiddenRepliesDiv.remove();
619
620 if (error instanceof APIError && error.code == 404) {
621 let info = $tag('p.missing-replies-info', {
622 html: `<i class="fa-solid fa-ban"></i> Hidden replies not available (post too old)`
623 });
624 content.append(info);
625 } else {
626 setTimeout(() => showError(error), 1);
627 }
628
629 return;
630 }
631
632 let missingReplyURIs = expectedReplyURIs.filter(r => !post.replies.some(x => x.uri === r));
633 let promises = missingReplyURIs.map(uri => api.loadThreadByAtURI(uri));
634
635 try {
636 // TODO
637 var responses = await Promise.allSettled(promises);
638 } catch (error) {
639 hiddenRepliesDiv.remove();
640 setTimeout(() => showError(error), 1);
641 return;
642 }
643
644 let replies = responses
645 .map(r => r.status == 'fulfilled' ? r.value : undefined)
646 .filter(v => v)
647 .map(json => Post.parseThreadPost(json.thread, post.pageRoot, 1, post.absoluteLevel + 1));
648
649 post.setReplies(replies);
650 hiddenRepliesDiv.remove();
651
652 for (let reply of post.replies) {
653 let component = new PostComponent(reply, 'thread');
654 let view = component.buildElement();
655 content.append(view);
656 }
657
658 if (replies.length < responses.length) {
659 let notFoundCount = responses.length - replies.length;
660 let pluralizedCount = (notFoundCount > 1) ? `${notFoundCount} replies are` : '1 reply is';
661
662 let info = $tag('p.missing-replies-info', {
663 html: `<i class="fa-solid fa-ban"></i> ${pluralizedCount} missing (likely taken down by moderation)`
664 });
665 content.append(info);
666 }
667 }
668
669 /** @returns {boolean} */
670 isCollapsed() {
671 return this.rootElement.classList.contains('collapsed');
672 }
673
674 toggleSectionFold() {
675 let plus = $(this.rootElement.querySelector(':scope > .margin .plus'), HTMLImageElement);
676
677 if (this.isCollapsed()) {
678 this.rootElement.classList.remove('collapsed');
679 plus.src = 'icons/subtract-square.png'
680 } else {
681 this.rootElement.classList.add('collapsed');
682 plus.src = 'icons/add-square.png'
683 }
684 }
685
686 /** @param {HTMLElement} heart, @returns {Promise<void>} */
687
688 async onHeartClick(heart) {
689 try {
690 if (!this.post.hasViewerInfo) {
691 if (accountAPI.isLoggedIn) {
692 let data = await this.loadViewerInfo();
693
694 if (data) {
695 if (this.post.liked) {
696 heart.classList.add('liked');
697 return;
698 } else {
699 // continue down
700 }
701 } else {
702 this.showPostAsBlocked();
703 return;
704 }
705 } else {
706 // not logged in
707 showDialog(loginDialog);
708 return;
709 }
710 }
711
712 let countField = $(heart.nextElementSibling);
713 let likeCount = parseInt(countField.innerText, 10);
714
715 if (!heart.classList.contains('liked')) {
716 let like = await accountAPI.likePost(this.post);
717 this.post.viewerLike = like.uri;
718 heart.classList.add('liked');
719 countField.innerText = String(likeCount + 1);
720 } else {
721 await accountAPI.removeLike(this.post.viewerLike);
722 this.post.viewerLike = undefined;
723 heart.classList.remove('liked');
724 countField.innerText = String(likeCount - 1);
725 }
726 } catch (error) {
727 showError(error);
728 }
729 }
730
731 showPostAsBlocked() {
732 let stats = $(this.rootElement.querySelector(':scope > .content > p.stats'));
733
734 if (!stats.querySelector('.blocked-info')) {
735 let span = $tag('span.blocked-info', { text: '🚫 Post unavailable' });
736 stats.append(span);
737 }
738 }
739
740 /** @returns {Promise<json | undefined>} */
741
742 async loadViewerInfo() {
743 let data = await accountAPI.loadPostIfExists(this.post.uri);
744
745 if (data) {
746 this.post.author = data.author;
747 this.post.viewerData = data.viewer;
748 this.post.viewerLike = data.viewer?.like;
749 }
750
751 return data;
752 }
753}