From 72d78f5a696aa8e94fe39cebdbd0d2efc8e5b244 Mon Sep 17 00:00:00 2001
From: Wee <fi3ework@gmail.com>
Date: Sun, 1 Dec 2019 06:21:24 +0800
Subject: [PATCH] fix: lost redos when trigger set_selection (fix #3140)
 (#3176)

* fix: lost redos when trigger set_selection (fix #3140)

* Update with-history.ts
---
 packages/slate-history/src/with-history.ts | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/packages/slate-history/src/with-history.ts b/packages/slate-history/src/with-history.ts
index 49568f5db..ec7954d23 100644
--- a/packages/slate-history/src/with-history.ts
+++ b/packages/slate-history/src/with-history.ts
@@ -104,7 +104,9 @@ export const withHistory = (editor: Editor): Editor => {
           undos.shift()
         }
 
-        history.redos = []
+        if (shouldClear(op)) {
+          history.redos = []
+        }
       }
     }
 
@@ -172,3 +174,15 @@ const shouldOverwrite = (
 
   return false
 }
+
+/**
+ * Check whether an operation should clear the redos stack.
+ */
+
+const shouldClear = (op: Operation): boolean => {
+  if (op.type === 'set_selection') {
+    return false
+  }
+
+  return true
+}