From 71306bc5b46182254a0da4abe412dabb36c97980 Mon Sep 17 00:00:00 2001
From: mosaicer <scarlet_clover804@yahoo.co.jp>
Date: Wed, 4 Jan 2023 22:42:58 +0900
Subject: [PATCH] Ignore pressing a tab key if IME is working

---
 src/muya/lib/contentState/tabCtrl.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/muya/lib/contentState/tabCtrl.js b/src/muya/lib/contentState/tabCtrl.js
index 4a2e6790..c2a14bf3 100644
--- a/src/muya/lib/contentState/tabCtrl.js
+++ b/src/muya/lib/contentState/tabCtrl.js
@@ -302,6 +302,11 @@ const tabCtrl = ContentState => {
     // disable tab focus
     event.preventDefault()
 
+    // skip subsequent processing if IME is working
+    if (event.isComposing) {
+      return
+    }
+
     const { start, end } = selection.getCursorRange()
     if (!start || !end) {
       return