From 40b95fd23e7ac0d133ed24a7f2a714f7ff8eddeb Mon Sep 17 00:00:00 2001
From: Zihua Li <i@zihua.li>
Date: Thu, 24 Feb 2022 19:45:36 +0800
Subject: [PATCH] No need to setContents when container is empty

---
 core/quill.js | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/core/quill.js b/core/quill.js
index f54c8bcb23..f24718b3cf 100644
--- a/core/quill.js
+++ b/core/quill.js
@@ -109,11 +109,13 @@ class Quill {
         source,
       );
     });
-    const contents = this.clipboard.convert({
-      html: `${html}<p><br></p>`,
-      text: '\n',
-    });
-    this.setContents(contents);
+    if (html) {
+      const contents = this.clipboard.convert({
+        html: `${html}<p><br></p>`,
+        text: '\n',
+      });
+      this.setContents(contents);
+    }
     this.history.clear();
     if (this.options.placeholder) {
       this.root.setAttribute('data-placeholder', this.options.placeholder);