feat: embedded emoji

src/lib/content-parser.ts

@@ -9,6 +9,7 @@ export type TEmbeddedNodeType =
   | 'hashtag'
   | 'websocket-url'
   | 'url'
+  | 'emoji'
 
 export type TEmbeddedNode =
   | {
@@ -64,6 +65,11 @@ export const EmbeddedNormalUrlParser: TContentParser = {
   regex: /https?:\/\/[\w\p{L}\p{N}\p{M}&.-/?=#\-@%+_:!~*]+/gu
 }
 
+export const EmbeddedEmojiParser: TContentParser = {
+  type: 'emoji',
+  regex: /:[a-zA-Z0-9_]+:/g
+}
+
 export function parseContent(content: string, parsers: TContentParser[]) {
   let nodes: TEmbeddedNode[] = [{ type: 'text', data: content.trim() }]
 

src/lib/event.ts

@@ -1,6 +1,6 @@
 import { BIG_RELAY_URLS, ExtendedKind } from '@/constants'
 import client from '@/services/client.service'
-import { TImageInfo, TRelayList, TRelaySet } from '@/types'
+import { TEmoji, TImageInfo, TRelayList, TRelaySet } from '@/types'
 import { LRUCache } from 'lru-cache'
 import { Event, kinds, nip19 } from 'nostr-tools'
 import { getAmountFromInvoice, getLightningAddressFromProfile } from './lightning'
@@ -505,3 +505,12 @@ export function getLatestEvent(events: Event[]) {
 export function getReplaceableEventIdentifier(event: Event) {
   return event.tags.find(tagNameEquals('d'))?.[1] ?? ''
 }
+
+export function extractEmojiInfosFromTags(tags: string[][] = []) {
+  return tags
+    .map((tag) => {
+      if (tag.length < 3 || tag[0] !== 'emoji') return null
+      return { shortcode: tag[1], url: tag[2] }
+    })
+    .filter(Boolean) as TEmoji[]
+}

src/lib/tag.ts

@@ -66,11 +66,6 @@ export function extractPubkeysFromEventTags(tags: string[][]) {
   )
 }
 
-export function extractEmojiFromEventTags(emojiName: string, tags: string[][]) {
-  const emojiTag = tags.find((tag) => tag[0] === 'emoji' && tag[1] === emojiName)
-  return emojiTag?.[2]
-}
-
 export function isSameTag(tag1: string[], tag2: string[]) {
   if (tag1.length !== tag2.length) return false
   for (let i = 0; i < tag1.length; i++) {