From 4653fe7427f4a9ec40700f6a86ff284d1d46088a Mon Sep 17 00:00:00 2001
From: Hufe921 <huangyunfeihufe@hotmail.com>
Date: Wed, 14 Aug 2024 21:11:43 +0800
Subject: [PATCH] fix: get range paragraph info boundary error #758

---
 src/editor/core/range/RangeManager.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/editor/core/range/RangeManager.ts b/src/editor/core/range/RangeManager.ts
index bba90f5..a377f24 100644
--- a/src/editor/core/range/RangeManager.ts
+++ b/src/editor/core/range/RangeManager.ts
@@ -171,8 +171,9 @@ export class RangeManager {
       }
       start--
     }
+    const isCollapsed = startIndex === endIndex
     // 中间选择
-    if (startIndex !== endIndex) {
+    if (!isCollapsed) {
       let middle = startIndex + 1
       while (middle < endIndex) {
         const { pageNo, rowNo } = positionList[middle]
@@ -189,6 +190,10 @@ export class RangeManager {
     }
     // 向下查找
     let end = endIndex
+    // 闭合选区&&首字符为换行符时继续向下查找
+    if (isCollapsed && elementList[startIndex].value === ZERO) {
+      end += 1
+    }
     while (end < positionList.length) {
       const element = elementList[end]
       const nextElement = elementList[end + 1]