feat: note mentions

README.md

@@ -10,7 +10,7 @@ Snort supports the following NIP's
 - [x] NIP-05: Mapping Nostr keys to DNS-based internet identifiers
 - [ ] NIP-06: Basic key derivation from mnemonic seed phrase
 - [x] NIP-07: `window.nostr` capability for web browsers
-- [ ] NIP-08: Handling Mentions
+- [x] NIP-08: Handling Mentions
 - [x] NIP-09: Event Deletion
 - [x] NIP-10: Conventions for clients' use of `e` and `p` tags in text events
 - [ ] NIP-11: Relay Information Document

src/Feed/EventPublisher.ts

@@ -54,14 +54,25 @@ export default function useEventPublisher() {
                 return match
             }
         }
+        const replaceNoteId = (match: string) => {
+            try {
+                const hex = bech32ToHex(match);
+                const idx = ev.Tags.length;
+                ev.Tags.push(new Tag(["e", hex], idx));
+                return `#[${idx}]`
+            } catch (error) {
+                return match
+            }
+        }
         const replaceHashtag = (match: string) => {
             const tag = match.slice(1);
             const idx = ev.Tags.length;
             ev.Tags.push(new Tag(["t", tag.toLowerCase()], idx));
             return match;
         }
-        let content = msg.replace(/@npub[a-z0-9]+/g, replaceNpub);
-        content = content.replace(HashtagRegex, replaceHashtag);
+        const content = msg.replace(/@npub[a-z0-9]+/g, replaceNpub)
+          .replace(/note[a-z0-9]+/g, replaceNoteId)
+          .replace(HashtagRegex, replaceHashtag);
         ev.Content = content;
     }