From 1b4df9c57d8befbf0765a5c63f2f983f1d938270 Mon Sep 17 00:00:00 2001
From: Max <max@nextcloud.com>
Date: Mon, 16 Sep 2024 18:57:43 +0200
Subject: [PATCH] fix(links): adjust the anchor link only in Link.js

Signed-off-by: Max <max@nextcloud.com>
---
 src/marks/Link.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/marks/Link.js b/src/marks/Link.js
index 6584e8c4f4e..029fb510446 100644
--- a/src/marks/Link.js
+++ b/src/marks/Link.js
@@ -8,6 +8,8 @@ import TipTapLink from '@tiptap/extension-link'
 import { domHref, parseHref } from './../helpers/links.js'
 import { linkClicking } from '../plugins/links.js'
 
+const PROTOCOLS_TO_LINK_TO = ['http:', 'https:', 'mailto:', 'tel:']
+
 const extractHrefFromMatch = (match) => {
 	return { href: match.groups.href }
 }
@@ -58,9 +60,13 @@ const Link = TipTapLink.extend({
 
 	renderHTML(options) {
 		const { mark } = options
+		const url = new URL(mark.attrs.href, window.location)
+		const href = PROTOCOLS_TO_LINK_TO.includes(url.protocol)
+			? domHref(mark, this.options.relativePath)
+			: '#'
 		return ['a', {
 			...mark.attrs,
-			href: domHref(mark, this.options.relativePath),
+			href,
 			'data-md-href': mark.attrs.href,
 			rel: 'noopener noreferrer nofollow',
 		}, 0]