From 84b236fe224e48002f7991abefda0c9c646447e2 Mon Sep 17 00:00:00 2001
From: Hufe921 <huangyunfeihufe@hotmail.com>
Date: Tue, 2 May 2023 11:54:18 +0800
Subject: [PATCH] fix: get range paragraph boundary error

---
 src/editor/core/range/RangeManager.ts | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/editor/core/range/RangeManager.ts b/src/editor/core/range/RangeManager.ts
index f2e1aa7..489f080 100644
--- a/src/editor/core/range/RangeManager.ts
+++ b/src/editor/core/range/RangeManager.ts
@@ -82,8 +82,7 @@ export class RangeManager {
     const rangeRow: RangeRowArray = new Map()
     // 向上查找
     let start = startIndex
-    while (start > 0) {
-      if (elementList[start].titleId !== elementList[start - 1]?.titleId) break
+    while (start >= 0) {
       const { pageNo, rowNo } = positionList[start]
       let rowArray = rangeRow.get(pageNo)
       if (!rowArray) {
@@ -93,7 +92,10 @@ export class RangeManager {
       if (!rowArray.includes(rowNo)) {
         rowArray.unshift(rowNo)
       }
-      if (positionList[start]?.value === ZERO) break
+      if (
+        positionList[start]?.value === ZERO ||
+        elementList[start].titleId !== elementList[start - 1]?.titleId
+      ) break
       start--
     }
     // 中间选择