Bump to v0.4.0 — Phase 3: image lightbox, bookmarks, discover, language filter, UI polish

src/lib/language.ts

@@ -0,0 +1,71 @@
+// Unicode script detection for feed filtering
+
+const SCRIPT_RANGES: [string, RegExp][] = [
+  ["Latin", /[\u0041-\u024F\u1E00-\u1EFF]/],
+  ["CJK", /[\u2E80-\u2FFF\u3000-\u303F\u3040-\u309F\u30A0-\u30FF\u3400-\u4DBF\u4E00-\u9FFF\uF900-\uFAFF\uFE30-\uFE4F\uFF00-\uFFEF]|[\uD840-\uD87F][\uDC00-\uDFFF]/],
+  ["Cyrillic", /[\u0400-\u04FF\u0500-\u052F]/],
+  ["Arabic", /[\u0600-\u06FF\u0750-\u077F\u08A0-\u08FF]/],
+  ["Devanagari", /[\u0900-\u097F]/],
+  ["Thai", /[\u0E00-\u0E7F]/],
+  ["Korean", /[\uAC00-\uD7AF\u1100-\u11FF]/],
+  ["Hebrew", /[\u0590-\u05FF]/],
+  ["Greek", /[\u0370-\u03FF]/],
+  ["Georgian", /[\u10A0-\u10FF]/],
+  ["Armenian", /[\u0530-\u058F]/],
+];
+
+export function detectScript(text: string): string {
+  // Strip URLs, mentions, hashtags to avoid noise
+  const cleaned = text
+    .replace(/https?:\/\/\S+/g, "")
+    .replace(/nostr:\S+/g, "")
+    .replace(/#\w+/g, "")
+    .trim();
+
+  if (!cleaned) return "Unknown";
+
+  // Count characters per script
+  const counts = new Map<string, number>();
+  for (const char of cleaned) {
+    for (const [name, regex] of SCRIPT_RANGES) {
+      if (regex.test(char)) {
+        counts.set(name, (counts.get(name) ?? 0) + 1);
+        break;
+      }
+    }
+  }
+
+  if (counts.size === 0) return "Unknown";
+
+  // Return dominant script
+  let maxScript = "Unknown";
+  let maxCount = 0;
+  for (const [script, count] of counts) {
+    if (count > maxCount) {
+      maxScript = script;
+      maxCount = count;
+    }
+  }
+
+  return maxScript;
+}
+
+// Check NIP-32 language tags on an event
+export function getEventLanguageTag(tags: string[][]): string | null {
+  const langTag = tags.find(
+    (t) => t[0] === "l" && t[2] === "ISO-639-1"
+  );
+  return langTag?.[1] ?? null;
+}
+
+export const FILTER_SCRIPTS = [
+  "Latin",
+  "CJK",
+  "Cyrillic",
+  "Arabic",
+  "Devanagari",
+  "Thai",
+  "Korean",
+  "Hebrew",
+  "Greek",
+] as const;

src/lib/nostr/client.ts

@@ -445,6 +445,29 @@ export async function fetchZapsSent(pubkey: string, limit = 50): Promise<NDKEven
   return Array.from(events).sort((a, b) => (b.created_at ?? 0) - (a.created_at ?? 0));
 }
 
+// ── Bookmarks (NIP-51 kind 10003) ────────────────────────────────────────────
+
+export async function fetchBookmarkList(pubkey: string): Promise<string[]> {
+  const instance = getNDK();
+  const filter: NDKFilter = { kinds: [10003 as NDKKind], authors: [pubkey], limit: 1 };
+  const events = await instance.fetchEvents(filter, {
+    cacheUsage: NDKSubscriptionCacheUsage.ONLY_RELAY,
+  });
+  if (events.size === 0) return [];
+  const event = Array.from(events).sort((a, b) => (b.created_at ?? 0) - (a.created_at ?? 0))[0];
+  return event.tags.filter((t) => t[0] === "e" && t[1]).map((t) => t[1]);
+}
+
+export async function publishBookmarkList(eventIds: string[]): Promise<void> {
+  const instance = getNDK();
+  if (!instance.signer) return;
+  const event = new NDKEvent(instance);
+  event.kind = 10003 as NDKKind;
+  event.content = "";
+  event.tags = eventIds.map((id) => ["e", id]);
+  await event.publish();
+}
+
 export async function fetchMuteList(pubkey: string): Promise<string[]> {
   const instance = getNDK();
   const filter: NDKFilter = { kinds: [10000 as NDKKind], authors: [pubkey], limit: 1 };
@@ -520,6 +543,44 @@ export async function fetchUserNotesNIP65(pubkey: string, limit = 30): Promise<N
 
 // ── Notifications (mentions) ──────────────────────────────────────────────────
 
+// ── Follow Suggestions (follows-of-follows) ─────────────────────────────────
+
+export async function fetchFollowSuggestions(myFollows: string[]): Promise<{ pubkey: string; mutualCount: number }[]> {
+  if (myFollows.length === 0) return [];
+  const instance = getNDK();
+  // Fetch contact lists (kind 3) from our follows
+  const batchSize = 20;
+  const allContactEvents: NDKEvent[] = [];
+  for (let i = 0; i < myFollows.length; i += batchSize) {
+    const batch = myFollows.slice(i, i + batchSize);
+    const filter: NDKFilter = { kinds: [3 as NDKKind], authors: batch, limit: batch.length };
+    const events = await instance.fetchEvents(filter, {
+      cacheUsage: NDKSubscriptionCacheUsage.ONLY_RELAY,
+    });
+    allContactEvents.push(...Array.from(events));
+  }
+
+  // Count how many of our follows follow each pubkey
+  const myFollowSet = new Set(myFollows);
+  const counts = new Map<string, number>();
+  for (const event of allContactEvents) {
+    const pubkeys = event.tags.filter((t) => t[0] === "p" && t[1]).map((t) => t[1]);
+    for (const pk of pubkeys) {
+      if (myFollowSet.has(pk)) continue; // already following
+      counts.set(pk, (counts.get(pk) ?? 0) + 1);
+    }
+  }
+
+  // Remove self
+  const myPubkey = (await instance.signer?.user())?.pubkey;
+  if (myPubkey) counts.delete(myPubkey);
+
+  return Array.from(counts.entries())
+    .map(([pubkey, mutualCount]) => ({ pubkey, mutualCount }))
+    .sort((a, b) => b.mutualCount - a.mutualCount)
+    .slice(0, 30);
+}
+
 export async function fetchMentions(pubkey: string, since: number, limit = 50): Promise<NDKEvent[]> {
   const instance = getNDK();
   const events = await instance.fetchEvents(

src/lib/nostr/index.ts

@@ -1,2 +1,2 @@
-export { getNDK, connectToRelays, fetchGlobalFeed, fetchFollowFeed, fetchReplies, publishNote, publishArticle, publishProfile, publishReaction, publishRepost, publishQuote, publishReply, publishContactList, fetchReactionCount, fetchZapCount, fetchNoteById, fetchUserNotes, fetchProfile, fetchArticle, fetchAuthorArticles, fetchZapsReceived, fetchZapsSent, fetchDMConversations, fetchDMThread, sendDM, decryptDM, fetchMuteList, publishMuteList, getStoredRelayUrls, addRelay, removeRelay, searchNotes, searchUsers, fetchUserRelayList, publishRelayList, fetchUserNotesNIP65, fetchMentions } from "./client";
+export { getNDK, connectToRelays, fetchGlobalFeed, fetchFollowFeed, fetchReplies, publishNote, publishArticle, publishProfile, publishReaction, publishRepost, publishQuote, publishReply, publishContactList, fetchReactionCount, fetchZapCount, fetchNoteById, fetchUserNotes, fetchProfile, fetchArticle, fetchAuthorArticles, fetchZapsReceived, fetchZapsSent, fetchDMConversations, fetchDMThread, sendDM, decryptDM, fetchBookmarkList, publishBookmarkList, fetchMuteList, publishMuteList, getStoredRelayUrls, addRelay, removeRelay, searchNotes, searchUsers, fetchUserRelayList, publishRelayList, fetchUserNotesNIP65, fetchFollowSuggestions, fetchMentions } from "./client";
 export type { UserRelayList } from "./client";