From 20fd286756c2b957850c8ab84394bf0e4116452e Mon Sep 17 00:00:00 2001
From: Sinclair Chen <abc.sinclair@gmail.com>
Date: Mon, 22 Aug 2022 17:45:23 -0700
Subject: [PATCH] Fix link classes duplicating on paste (#788)

---
 web/components/editor.tsx | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/web/components/editor.tsx b/web/components/editor.tsx
index f4166f27..6af58caa 100644
--- a/web/components/editor.tsx
+++ b/web/components/editor.tsx
@@ -6,6 +6,7 @@ import {
   JSONContent,
   Content,
   Editor,
+  mergeAttributes,
 } from '@tiptap/react'
 import StarterKit from '@tiptap/starter-kit'
 import { Image } from '@tiptap/extension-image'
@@ -38,7 +39,16 @@ const DisplayImage = Image.configure({
   },
 })
 
-const DisplayLink = Link.configure({
+const DisplayLink = Link.extend({
+  renderHTML({ HTMLAttributes }) {
+    delete HTMLAttributes.class // only use our classes (don't duplicate on paste)
+    return [
+      'a',
+      mergeAttributes(this.options.HTMLAttributes, HTMLAttributes),
+      0,
+    ]
+  },
+}).configure({
   HTMLAttributes: {
     class: clsx('no-underline !text-indigo-700', linkClass),
   },