fix: preserve linebreaks between URLs and Nostr references in editor (#657)

Co-authored-by: The Daniel <dmnyc@users.noreply.github.com>

src/lib/tiptap.ts

@@ -4,12 +4,13 @@ import { JSONContent } from '@tiptap/react'
 import { nip19 } from 'nostr-tools'
 
 export function parseEditorJsonToText(node?: JSONContent) {
-  const text = _parseEditorJsonToText(node).trim()
-  const regex = /(?:^|\s|@)(nostr:)?(nevent|naddr|nprofile|npub)1[a-zA-Z0-9]+/g
+  const text = _parseEditorJsonToText(node)
+  const regex = /(^|\s+|@)(nostr:)?(nevent|naddr|nprofile|npub)1[a-zA-Z0-9]+/g
 
-  return text.replace(regex, (match) => {
+  return text.replace(regex, (match, leadingWhitespace) => {
     let bech32 = match.trim()
-    const leadingSpace = match.startsWith(' ') ? ' ' : ''
+    const whitespace = leadingWhitespace || ''
+
     if (bech32.startsWith('@nostr:')) {
       bech32 = bech32.slice(7)
     } else if (bech32.startsWith('@')) {
@@ -20,11 +21,11 @@ export function parseEditorJsonToText(node?: JSONContent) {
 
     try {
       nip19.decode(bech32)
-      return `${leadingSpace}nostr:${bech32}`
+      return `${whitespace}nostr:${bech32}`
     } catch {
       return match
     }
-  })
+  }).trim()
 }
 
 function _parseEditorJsonToText(node?: JSONContent): string {