From 4a2a8c34e87c5dd25f6d01a1aafaa10799aa907f Mon Sep 17 00:00:00 2001
From: Guillermo Serrahima <dev@vylion.com>
Date: Fri, 20 Feb 2026 16:21:00 +0100
Subject: added facets and markdown rendering

---
 frontend/src/main.ts | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 62 insertions(+), 1 deletion(-)

(limited to 'frontend/src/main.ts')

diff --git a/frontend/src/main.ts b/frontend/src/main.ts
index 099193a..f53632c 100644
--- a/frontend/src/main.ts
+++ b/frontend/src/main.ts
@@ -1,5 +1,58 @@
+import { marked } from 'marked';
 import './style.css'
 
+function renderTextWithFacets(text: string, facets: any[]): string {
+  if (!facets || facets.length === 0) {
+    return text;
+  }
+
+  // convert text to UTF-8 bytes because Bluesky counts bytes in UTF-8
+  const encoder = new TextEncoder();
+  const postBytes = encoder.encode(text);
+
+  // sort facets by start position
+  facets.sort((a, b) => a.byteStart - b.byteStart);
+
+  let result = '';
+  let lastPos = 0;
+
+  const decoder = new TextDecoder();
+  for (const facet of facets) {
+    // add text before this facet
+    const beforeBytes = postBytes.slice(lastPos, facet.byteStart);
+    result += decoder.decode(beforeBytes);
+
+    // add the faceted text as a link
+    const facetBytes = postBytes.slice(facet.byteStart, facet.byteEnd);
+    const facetText = decoder.decode(facetBytes);
+
+    switch (facet.type) {
+      case 'link':
+        result += `<a href="${facet.value}" target="_blank">${facetText}</a>`;
+        break;
+      case 'mention':
+        result += `<a href="https://bsky.app/profile/${facet.value}" target="_blank">${facetText}</a>`;
+        break;
+      case 'tag':
+        result += `<a href="https://bsky.app/hashtag/${facet.value}" target="_blank">#${facetText}</a>`;
+        break;
+      default: // in case Bluesky ever adds other fcaet types
+        result += facetText; // if we don't recognize the type, just add it as plain text
+        break;
+    }
+
+    lastPos = facet.byteEnd;
+  }
+
+  // add remaining text
+  const remainingBytes = postBytes.slice(lastPos);
+  result += decoder.decode(remainingBytes);
+
+  console.log(result);
+
+  return result;
+}
+
 async function main() {
   const app = document.querySelector('#app');
   if (!app) {
@@ -17,12 +70,20 @@ async function main() {
     app.innerHTML = '';
 
     for (const post of posts) {
+      let parsedText = '';
+      if(post.facets && post.facets.length > 0) {
+        parsedText = renderTextWithFacets(post.text || '', post.facets || []);
+      } else {
+        parsedText = post.text;
+      }
+      const postText = marked.parseInline(parsedText, { breaks: true });
+
       const postHTML = `
       <div class="note">
         <img class="note-avatar" src="https://cdn.bsky.app/img/avatar/plain/did:plc:hyyqbqqhpxt2bnn7s2e2iuxd/bafkreidoiynom7v2y5rpsm467l3d2cnr7ozvlfusrchjey3k2jtyquufq4@jpeg" alt="avatar">
         <div class="note-content">
           <div style="font-weight: bold">@${post.authorHandle}</div>
-          <div class="note-text">${post.text || '<br>'}</div>
+          <div class="note-text">${postText || '<br>'}</div>
           <div style="font-size: 12px; color: #888">${new Date(post.createdAt).toLocaleString()}</div>
         </div>
       </div>
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