From 8630c8e630e9e8a7e1a5f59a18a74b5d5d9806ea Mon Sep 17 00:00:00 2001
From: Daniel Nunes <93351930+danimnunes@users.noreply.github.com>
Date: Wed, 3 Apr 2024 18:43:30 +0100
Subject: [PATCH] Desktop: Fixes #9950: Link pased in RTE editor is not
 underlined until switch to another note (#10202)

---
 .../gui/NoteEditor/NoteBody/TinyMCE/TinyMCE.tsx            | 3 ++-
 packages/utils/url.ts                                      | 7 +++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/packages/app-desktop/gui/NoteEditor/NoteBody/TinyMCE/TinyMCE.tsx b/packages/app-desktop/gui/NoteEditor/NoteBody/TinyMCE/TinyMCE.tsx
index ac98b7a03..f579f3ce6 100644
--- a/packages/app-desktop/gui/NoteEditor/NoteBody/TinyMCE/TinyMCE.tsx
+++ b/packages/app-desktop/gui/NoteEditor/NoteBody/TinyMCE/TinyMCE.tsx
@@ -36,6 +36,7 @@ import { focus } from '@joplin/lib/utils/focusHandler';
 const md5 = require('md5');
 const { clipboard } = require('electron');
 const supportedLocales = require('./supportedLocales');
+import { isLink } from '@joplin/utils/url';
 
 const logger = Logger.create('TinyMCE');
 
@@ -1172,7 +1173,7 @@ const TinyMCE = (props: NoteBodyEditorProps, ref: any) => {
 					editor.insertContent(result.html);
 				}
 			} else {
-				if (BaseItem.isMarkdownTag(pastedText)) { // Paste a link to a note
+				if (BaseItem.isMarkdownTag(pastedText) || isLink(pastedText)) { // Paste a link to a note
 					logger.info('onPaste: pasting as a Markdown tag');
 					const result = await markupToHtml.current(MarkupToHtml.MARKUP_LANGUAGE_MARKDOWN, pastedText, markupRenderOptions({ bodyOnly: true }));
 					editor.insertContent(result.html);
diff --git a/packages/utils/url.ts b/packages/utils/url.ts
index eed620c91..f67bb0aa5 100644
--- a/packages/utils/url.ts
+++ b/packages/utils/url.ts
@@ -100,3 +100,10 @@ export const fileUriToPath = (path: string, platform = 'linux') => {
 export const isDataUrl = (path: string) => {
 	return path.startsWith('data:');
 };
+
+export const isLink = (text: string) => {
+	if (!text) return false;
+	const linkRegex = /^(https?|file|joplin):\/\/[^)\s]+$/;
+	return !!text.match(linkRegex);
+};
+