From 736662f80838902f8560554fae704c13c5d8e227 Mon Sep 17 00:00:00 2001
From: Taro Shono <taroage@gmail.com>
Date: Mon, 4 Jul 2022 19:05:25 +0900
Subject: [PATCH] fix: `Path.previous()` dose not working when path is `null`
 (#5029)

* fix: `Path.previous()` dose not working when path is `null`

* feat: changeset add
---
 .changeset/nervous-cars-divide.md     |  5 +++++
 packages/slate/src/transforms/text.ts | 18 ++++++++++--------
 2 files changed, 15 insertions(+), 8 deletions(-)
 create mode 100644 .changeset/nervous-cars-divide.md

diff --git a/.changeset/nervous-cars-divide.md b/.changeset/nervous-cars-divide.md
new file mode 100644
index 000000000..e33141dad
--- /dev/null
+++ b/.changeset/nervous-cars-divide.md
@@ -0,0 +1,5 @@
+---
+'slate': patch
+---
+
+fix: `Path.previous()` dose not working when path is `null`
diff --git a/packages/slate/src/transforms/text.ts b/packages/slate/src/transforms/text.ts
index 1fa4197ef..0fa942828 100644
--- a/packages/slate/src/transforms/text.ts
+++ b/packages/slate/src/transforms/text.ts
@@ -451,16 +451,18 @@ export const TextTransforms: TextTransforms = {
       if (!options.at) {
         let path
 
-        if (ends.length > 0) {
-          path = Path.previous(endRef.current!)
-        } else if (middles.length > 0) {
-          path = Path.previous(middleRef.current!)
-        } else {
-          path = Path.previous(startRef.current!)
+        if (ends.length > 0 && endRef.current) {
+          path = Path.previous(endRef.current)
+        } else if (middles.length > 0 && middleRef.current) {
+          path = Path.previous(middleRef.current)
+        } else if (startRef.current) {
+          path = Path.previous(startRef.current)
         }
 
-        const end = Editor.end(editor, path)
-        Transforms.select(editor, end)
+        if (path) {
+          const end = Editor.end(editor, path)
+          Transforms.select(editor, end)
+        }
       }
 
       startRef.unref()