Thread viewer for Bluesky
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">${handle}</a> ` + 216 `<img src="icons/mastodon.svg" class="mastodon"> `; 217 } else { 218 let handle = (this.post.author.handle != 'handle.invalid') ? `@${this.post.author.handle}` : '[invalid handle]'; 219 h.innerHTML += `<a class="handle" href="${this.linkToAuthor}" target="_blank">${handle}</a> `; 220 } 221 222 h.innerHTML += `<span class="separator">&bull;</span> ` + 223 `<a class="time" href="${this.linkToPost}" target="_blank" title="${isoTime}">${formattedTime}</a> `; 224 225 if (this.post.replyCount > 0 && !this.isRoot || ['quote', 'quotes', 'feed'].includes(this.context)) { 226 h.innerHTML += 227 `<span class="separator">&bull;</span> ` + 228 `<a href="${linkToPostThread(this.post)}" class="action" title="Load this subtree">` + 229 `<i class="fa-solid fa-arrows-split-up-and-left fa-rotate-180"></i></a> `; 230 } 231 232 if (this.post.muted) { 233 h.prepend($tag('i', 'missing fa-regular fa-circle-user fa-2x')); 234 } else if (this.post.author.avatar) { 235 h.prepend(this.buildUserAvatar(this.post.author.avatar)); 236 } else { 237 h.prepend($tag('i', 'missing fa-regular fa-face-smile fa-2x')); 238 } 239 240 return h; 241 } 242 243 buildEdgeMargin() { 244 let div = $tag('div.margin'); 245 246 let edge = $tag('div.edge'); 247 let line = $tag('div.line'); 248 edge.appendChild(line); 249 div.appendChild(edge); 250 251 let plus = $tag('img.plus', { src: 'icons/subtract-square.png' }); 252 div.appendChild(plus); 253 254 [edge, plus].forEach(x => { 255 x.addEventListener('click', (e) => { 256 e.preventDefault(); 257 this.toggleSectionFold(); 258 }); 259 }); 260 261 return div; 262 } 263 264 /** @param {string} url, @returns {HTMLImageElement} */ 265 266 buildUserAvatar(url) { 267 let avatar = $tag('img.avatar', { loading: 'lazy' }, HTMLImageElement); // needs to be set before src! 268 avatar.src = url; 269 window.avatarPreloader.observe(avatar); 270 return avatar; 271 } 272 273 /** @returns {HTMLElement} */ 274 275 buildPostBody() { 276 if (this.post.originalFediContent) { 277 return $tag('div.body', { html: sanitizeHTML(this.post.originalFediContent) }); 278 } 279 280 let p = $tag('p.body'); 281 let richText = new RichText({ text: this.post.text, facets: this.post.facets }); 282 283 for (let seg of richText.segments()) { 284 if (seg.mention) { 285 p.append($tag('a', { href: `https://bsky.app/profile/${seg.mention.did}`, text: seg.text })); 286 } else if (seg.link) { 287 p.append($tag('a', { href: seg.link.uri, text: seg.text })); 288 } else if (seg.tag) { 289 let url = new URL(getLocation()); 290 url.searchParams.set('hash', seg.tag.tag); 291 p.append($tag('a', { href: url.toString(), text: seg.text })); 292 } else if (seg.text.includes("\n")) { 293 let span = $tag('span', { text: seg.text }); 294 span.innerHTML = span.innerHTML.replaceAll("\n", "<br>"); 295 p.append(span); 296 } else { 297 p.append(seg.text); 298 } 299 } 300 301 return p; 302 } 303 304 /** @param {string[]} tags, @returns {HTMLElement} */ 305 306 buildTagsRow(tags) { 307 let p = $tag('p.tags'); 308 309 for (let tag of tags) { 310 let url = new URL(getLocation()); 311 url.searchParams.set('hash', tag); 312 313 let tagLink = $tag('a', { href: url.toString(), text: '# ' + tag }); 314 p.append(tagLink); 315 } 316 317 return p; 318 } 319 320 /** @returns {HTMLElement} */ 321 322 buildStatsFooter() { 323 let stats = $tag('p.stats'); 324 325 let span = $tag('span'); 326 let heart = $tag('i', 'fa-solid fa-heart ' + (this.post.liked ? 'liked' : '')); 327 heart.addEventListener('click', (e) => this.onHeartClick(heart)); 328 329 span.append(heart, ' ', $tag('output', { text: this.post.likeCount })); 330 stats.append(span); 331 332 if (this.post.repostCount > 0) { 333 let span = $tag('span', { html: `<i class="fa-solid fa-retweet"></i> ${this.post.repostCount}` }); 334 stats.append(span); 335 } 336 337 if (this.post.replyCount > 0 && (this.context == 'quotes' || this.context == 'feed')) { 338 let pluralizedCount = (this.post.replyCount > 1) ? `${this.post.replyCount} replies` : '1 reply'; 339 let span = $tag('span', { 340 html: `<i class="fa-regular fa-message"></i> <a href="${linkToPostThread(this.post)}">${pluralizedCount}</a>` 341 }); 342 stats.append(span); 343 } 344 345 if (!this.isRoot && this.context != 'quote' && this.post.quoteCount) { 346 let expanded = this.context == 'quotes' || this.context == 'feed'; 347 let quotesLink = this.buildQuotesIconLink(this.post.quoteCount, expanded); 348 stats.append(quotesLink); 349 } 350 351 if (this.context == 'thread' && this.post.isRestrictingReplies) { 352 let span = $tag('span', { html: `<i class="fa-solid fa-ban"></i> Limited replies` }); 353 stats.append(span); 354 } 355 356 return stats; 357 } 358 359 /** @param {number} count, @param {boolean} expanded, @returns {HTMLElement} */ 360 361 buildQuotesIconLink(count, expanded) { 362 let q = new URL(getLocation()); 363 q.searchParams.set('quotes', this.linkToPost); 364 365 let url = q.toString(); 366 let icon = `<i class="fa-regular fa-comments"></i>`; 367 368 if (expanded) { 369 let span = $tag('span', { html: `${icon} ` }); 370 let link = $tag('a', { text: (count > 1) ? `${count} quotes` : '1 quote', href: url }); 371 span.append(link); 372 return span; 373 } else { 374 return $tag('a', { html: `${icon} ${count}`, href: url }); 375 } 376 } 377 378 /** @param {number} quoteCount, @param {boolean} expanded */ 379 380 appendQuotesIconLink(quoteCount, expanded) { 381 let stats = $(this.rootElement.querySelector(':scope > .content > p.stats')); 382 let quotesLink = this.buildQuotesIconLink(quoteCount, expanded); 383 stats.append(quotesLink); 384 } 385 386 /** @returns {HTMLElement} */ 387 388 buildLoadMoreLink() { 389 let loadMore = $tag('p'); 390 391 let link = $tag('a', { 392 href: linkToPostThread(this.post), 393 text: "Load more replies…" 394 }); 395 396 link.addEventListener('click', (e) => { 397 e.preventDefault(); 398 loadMore.innerHTML = `<img class="loader" src="icons/sunny.png">`; 399 this.loadSubtree(this.post, this.rootElement); 400 }); 401 402 loadMore.appendChild(link); 403 return loadMore; 404 } 405 406 /** @returns {HTMLElement} */ 407 408 buildHiddenRepliesLink() { 409 let loadMore = $tag('p.hidden-replies'); 410 411 let link = $tag('a', { 412 href: linkToPostThread(this.post), 413 text: "Load hidden replies…" 414 }); 415 416 link.addEventListener('click', (e) => { 417 e.preventDefault(); 418 419 if (window.biohazardEnabled === true) { 420 this.loadHiddenReplies(loadMore); 421 } else { 422 window.loadInfohazard = () => this.loadHiddenReplies(loadMore); 423 showDialog($id('biohazard_dialog')); 424 } 425 }); 426 427 loadMore.append("☣️ ", link); 428 return loadMore; 429 } 430 431 /** @param {HTMLElement} loadMoreButton */ 432 433 loadHiddenReplies(loadMoreButton) { 434 loadMoreButton.innerHTML = `<img class="loader" src="icons/sunny.png">`; 435 this.loadHiddenSubtree(this.post, this.rootElement); 436 } 437 438 /** @param {HTMLLinkElement} authorLink */ 439 440 loadReferencedPostAuthor(authorLink) { 441 let did = atURI(this.post.uri).repo; 442 443 api.fetchHandleForDid(did).then(handle => { 444 if (this.post.author) { 445 this.post.author.handle = handle; 446 } else { 447 this.post.author = { did, handle }; 448 } 449 450 authorLink.href = this.linkToAuthor; 451 authorLink.innerText = `@${handle}`; 452 }); 453 } 454 455 /** @param {HTMLElement} div, @returns {HTMLElement} */ 456 457 buildBlockedPostElement(div) { 458 let p = $tag('p.blocked-header'); 459 p.innerHTML = `<i class="fa-solid fa-ban"></i> <span>Blocked post</span>`; 460 461 if (window.biohazardEnabled === false) { 462 div.appendChild(p); 463 div.classList.add('blocked'); 464 return p; 465 } 466 467 let blockStatus = this.post.blockedByUser ? 'has blocked you' : this.post.blocksUser ? "you've blocked them" : ''; 468 blockStatus = blockStatus ? `, ${blockStatus}` : ''; 469 470 let authorLink = $tag('a', { href: this.didLinkToAuthor, target: '_blank', text: 'see author' }, HTMLLinkElement); 471 p.append(' (', authorLink, blockStatus, ') '); 472 div.appendChild(p); 473 474 this.loadReferencedPostAuthor(authorLink); 475 476 let loadPost = $tag('p.load-post'); 477 let a = $tag('a', { href: '#', text: "Load post…" }); 478 479 a.addEventListener('click', (e) => { 480 e.preventDefault(); 481 loadPost.innerHTML = '&nbsp;'; 482 this.loadBlockedPost(this.post.uri, div); 483 }); 484 485 loadPost.appendChild(a); 486 div.appendChild(loadPost); 487 div.classList.add('blocked'); 488 return div; 489 } 490 491 /** @param {HTMLElement} div, @returns {HTMLElement} */ 492 493 buildDetachedQuoteElement(div) { 494 let p = $tag('p.blocked-header'); 495 p.innerHTML = `<i class="fa-solid fa-ban"></i> <span>Hidden quote</span>`; 496 497 if (window.biohazardEnabled === false) { 498 div.appendChild(p); 499 div.classList.add('blocked'); 500 return p; 501 } 502 503 let authorLink = $tag('a', { href: this.didLinkToAuthor, target: '_blank', text: 'see author' }, HTMLLinkElement); 504 p.append(' (', authorLink, ') '); 505 div.appendChild(p); 506 507 this.loadReferencedPostAuthor(authorLink); 508 509 let loadPost = $tag('p.load-post'); 510 let a = $tag('a', { href: '#', text: "Load post…" }); 511 512 a.addEventListener('click', (e) => { 513 e.preventDefault(); 514 loadPost.innerHTML = '&nbsp;'; 515 this.loadBlockedPost(this.post.uri, div); 516 }); 517 518 loadPost.appendChild(a); 519 div.appendChild(loadPost); 520 div.classList.add('blocked'); 521 return div; 522 } 523 524 /** @param {HTMLElement} div, @returns {HTMLElement} */ 525 526 buildMissingPostElement(div) { 527 let p = $tag('p.blocked-header'); 528 p.innerHTML = `<i class="fa-solid fa-ban"></i> <span>Deleted post</span>`; 529 530 let authorLink = $tag('a', { href: this.didLinkToAuthor, target: '_blank', text: 'see author' }, HTMLLinkElement); 531 p.append(' (', authorLink, ') '); 532 533 this.loadReferencedPostAuthor(authorLink); 534 535 div.appendChild(p); 536 div.classList.add('blocked'); 537 return div; 538 } 539 540 /** @param {string} uri, @param {HTMLElement} div, @returns Promise<void> */ 541 542 async loadBlockedPost(uri, div) { 543 let record = await appView.loadPostIfExists(this.post.uri); 544 545 if (!record) { 546 let post = new MissingPost({ uri: this.post.uri }); 547 let postView = new PostComponent(post, 'quote').buildElement(); 548 div.replaceWith(postView); 549 return; 550 } 551 552 this.post = new Post(record); 553 554 let userView = await api.getRequest('app.bsky.actor.getProfile', { actor: this.post.author.did }); 555 556 if (!userView.viewer || !(userView.viewer.blockedBy || userView.viewer.blocking)) { 557 let { repo, rkey } = atURI(this.post.uri); 558 559 let a = $tag('a', { 560 href: linkToPostById(repo, rkey), 561 className: 'action', 562 title: "Load thread", 563 html: `<i class="fa-solid fa-arrows-split-up-and-left fa-rotate-180"></i>` 564 }); 565 566 let header = $(div.querySelector('p.blocked-header')); 567 let separator = $tag('span.separator', { html: '&bull;' }); 568 header.append(separator, ' ', a); 569 } 570 571 let loadPost = $(div.querySelector('p.load-post')); 572 loadPost.remove(); 573 574 if (this.isRoot && this.post.parentReference) { 575 let { repo, rkey } = atURI(this.post.parentReference.uri); 576 let url = linkToPostById(repo, rkey); 577 578 let handle = api.findHandleByDid(repo); 579 let link = handle ? `See parent post (@${handle})` : "See parent post"; 580 581 let p = $tag('p.back', { html: `<i class="fa-solid fa-reply"></i><a href="${url}">${link}</a>` }); 582 div.appendChild(p); 583 } 584 585 let p = this.buildPostBody(); 586 div.appendChild(p); 587 588 if (this.post.embed) { 589 let embed = new EmbedComponent(this.post, this.post.embed).buildElement(); 590 div.appendChild(embed); 591 592 // TODO 593 Array.from(div.querySelectorAll('a.link-card')).forEach(x => x.remove()); 594 } 595 } 596 597 /** @param {Post} post, @param {HTMLElement} nodeToUpdate, @returns {Promise<void>} */ 598 599 async loadSubtree(post, nodeToUpdate) { 600 try { 601 let json = await api.loadThreadByAtURI(post.uri); 602 603 let root = Post.parseThreadPost(json.thread, post.pageRoot, 0, post.absoluteLevel); 604 post.updateDataFromPost(root); 605 window.subtreeRoot = post; 606 607 let component = new PostComponent(post, 'thread'); 608 component.installIntoElement(nodeToUpdate); 609 } catch (error) { 610 showError(error); 611 } 612 } 613 614 615 /** @param {Post} post, @param {HTMLElement} nodeToUpdate, @returns {Promise<void>} */ 616 617 async loadHiddenSubtree(post, nodeToUpdate) { 618 let content = $(nodeToUpdate.querySelector('.content')); 619 let hiddenRepliesDiv = $(content.querySelector(':scope > .hidden-replies')); 620 621 try { 622 var expectedReplyURIs = await blueAPI.getReplies(post.uri); 623 } catch (error) { 624 hiddenRepliesDiv.remove(); 625 626 if (error instanceof APIError && error.code == 404) { 627 let info = $tag('p.missing-replies-info', { 628 html: `<i class="fa-solid fa-ban"></i> Hidden replies not available (post too old)` 629 }); 630 content.append(info); 631 } else { 632 setTimeout(() => showError(error), 1); 633 } 634 635 return; 636 } 637 638 let missingReplyURIs = expectedReplyURIs.filter(r => !post.replies.some(x => x.uri === r)); 639 let promises = missingReplyURIs.map(uri => api.loadThreadByAtURI(uri)); 640 641 try { 642 // TODO 643 var responses = await Promise.allSettled(promises); 644 } catch (error) { 645 hiddenRepliesDiv.remove(); 646 setTimeout(() => showError(error), 1); 647 return; 648 } 649 650 let replies = responses 651 .map(r => r.status == 'fulfilled' ? r.value : undefined) 652 .filter(v => v) 653 .map(json => Post.parseThreadPost(json.thread, post.pageRoot, 1, post.absoluteLevel + 1)); 654 655 post.setReplies(replies); 656 hiddenRepliesDiv.remove(); 657 658 for (let reply of post.replies) { 659 let component = new PostComponent(reply, 'thread'); 660 let view = component.buildElement(); 661 content.append(view); 662 } 663 664 if (replies.length < responses.length) { 665 let notFoundCount = responses.length - replies.length; 666 let pluralizedCount = (notFoundCount > 1) ? `${notFoundCount} replies are` : '1 reply is'; 667 668 let info = $tag('p.missing-replies-info', { 669 html: `<i class="fa-solid fa-ban"></i> ${pluralizedCount} missing (likely taken down by moderation)` 670 }); 671 content.append(info); 672 } 673 } 674 675 /** @returns {boolean} */ 676 isCollapsed() { 677 return this.rootElement.classList.contains('collapsed'); 678 } 679 680 toggleSectionFold() { 681 let plus = $(this.rootElement.querySelector(':scope > .margin .plus'), HTMLImageElement); 682 683 if (this.isCollapsed()) { 684 this.rootElement.classList.remove('collapsed'); 685 plus.src = 'icons/subtract-square.png' 686 } else { 687 this.rootElement.classList.add('collapsed'); 688 plus.src = 'icons/add-square.png' 689 } 690 } 691 692 /** @param {HTMLElement} heart, @returns {Promise<void>} */ 693 694 async onHeartClick(heart) { 695 try { 696 if (!this.post.hasViewerInfo) { 697 if (accountAPI.isLoggedIn) { 698 let data = await this.loadViewerInfo(); 699 700 if (data) { 701 if (this.post.liked) { 702 heart.classList.add('liked'); 703 return; 704 } else { 705 // continue down 706 } 707 } else { 708 this.showPostAsBlocked(); 709 return; 710 } 711 } else { 712 // not logged in 713 showDialog(loginDialog); 714 return; 715 } 716 } 717 718 let countField = $(heart.nextElementSibling); 719 let likeCount = parseInt(countField.innerText, 10); 720 721 if (!heart.classList.contains('liked')) { 722 let like = await accountAPI.likePost(this.post); 723 this.post.viewerLike = like.uri; 724 heart.classList.add('liked'); 725 countField.innerText = String(likeCount + 1); 726 } else { 727 await accountAPI.removeLike(this.post.viewerLike); 728 this.post.viewerLike = undefined; 729 heart.classList.remove('liked'); 730 countField.innerText = String(likeCount - 1); 731 } 732 } catch (error) { 733 showError(error); 734 } 735 } 736 737 showPostAsBlocked() { 738 let stats = $(this.rootElement.querySelector(':scope > .content > p.stats')); 739 740 if (!stats.querySelector('.blocked-info')) { 741 let span = $tag('span.blocked-info', { text: '🚫 Post unavailable' }); 742 stats.append(span); 743 } 744 } 745 746 /** @returns {Promise<json | undefined>} */ 747 748 async loadViewerInfo() { 749 let data = await accountAPI.loadPostIfExists(this.post.uri); 750 751 if (data) { 752 this.post.author = data.author; 753 this.post.viewerData = data.viewer; 754 this.post.viewerLike = data.viewer?.like; 755 } 756 757 return data; 758 } 759}