From bfecf5160a13a1190b0667591ac634285e0bd874 Mon Sep 17 00:00:00 2001
From: Vanessa <lly219@gmail.com>
Date: Thu, 10 Apr 2025 12:24:45 +0800
Subject: [PATCH] :art: https://github.com/siyuan-note/siyuan/issues/14534

---
 app/src/protyle/toolbar/Font.ts  |  8 ++++----
 app/src/protyle/toolbar/index.ts | 19 ++++++++++++++-----
 2 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/app/src/protyle/toolbar/Font.ts b/app/src/protyle/toolbar/Font.ts
index ce268b821..7faedc256 100644
--- a/app/src/protyle/toolbar/Font.ts
+++ b/app/src/protyle/toolbar/Font.ts
@@ -368,7 +368,7 @@ export const setFontStyle = (textElement: HTMLElement, textOption: ITextOption)
 export const hasSameTextStyle = (currentElement: HTMLElement, sideElement: HTMLElement, textObj: ITextOption) => {
     if (!textObj) {
         // https://github.com/siyuan-note/siyuan/issues/14019
-        if (currentElement.nodeType !== 3 && sideElement.nodeType !== 3 &&
+        if (currentElement && currentElement.nodeType !== 3 && sideElement.nodeType !== 3 &&
             // 当为 span 时，都经过 isArrayEqual 判断
             sideElement.style.color === currentElement.style.color &&
             sideElement.style.webkitTextFillColor === currentElement.style.webkitTextFillColor &&
@@ -384,7 +384,7 @@ export const hasSameTextStyle = (currentElement: HTMLElement, sideElement: HTMLE
         return false;
     }
     if (textObj.type === "id") {
-        if (currentElement.nodeType !== 3) {
+        if (currentElement && currentElement.nodeType !== 3) {
             return currentElement.getAttribute("data-id") === sideElement.getAttribute("data-id") &&
                 currentElement.getAttribute("data-subtype") === sideElement.getAttribute("data-subtype") &&
                 currentElement.textContent === sideElement.textContent;
@@ -396,7 +396,7 @@ export const hasSameTextStyle = (currentElement: HTMLElement, sideElement: HTMLE
     }
 
     if (textObj.type === "file-annotation-ref") {
-        if (currentElement.nodeType !== 3) {
+        if (currentElement && currentElement.nodeType !== 3) {
             return currentElement.getAttribute("data-id") === sideElement.getAttribute("data-id") &&
                 currentElement.textContent === sideElement.textContent;
         }
@@ -409,7 +409,7 @@ export const hasSameTextStyle = (currentElement: HTMLElement, sideElement: HTMLE
     let textShadow = "";
     let backgroundColor = "";
     let fontSize = "";
-    if (currentElement.nodeType !== 3) {
+    if (currentElement && currentElement.nodeType !== 3) {
         color = currentElement.style.color;
         webkitTextFillColor = currentElement.style.webkitTextFillColor;
         webkitTextStroke = currentElement.style.webkitTextStroke;
diff --git a/app/src/protyle/toolbar/index.ts b/app/src/protyle/toolbar/index.ts
index 4eda229df..846217d4a 100644
--- a/app/src/protyle/toolbar/index.ts
+++ b/app/src/protyle/toolbar/index.ts
@@ -242,12 +242,21 @@ export class Toolbar {
         }
         const rangeTypes = this.getCurrentType(this.range);
 
-        // https://github.com/siyuan-note/siyuan/issues/6501
-        // https://github.com/siyuan-note/siyuan/issues/12877
-        if (rangeTypes.length === 1 &&
-            ["block-ref", "virtual-block-ref", "file-annotation-ref", "a", "inline-memo", "inline-math", "tag"].includes(rangeTypes[0]) && type === "clear") {
-            return;
+        if (rangeTypes.length === 1) {
+            // https://github.com/siyuan-note/siyuan/issues/6501
+            // https://github.com/siyuan-note/siyuan/issues/12877
+            if (["block-ref", "virtual-block-ref", "file-annotation-ref", "a", "inline-memo", "inline-math", "tag"].includes(rangeTypes[0]) && type === "clear") {
+                return;
+            }
+            // https://github.com/siyuan-note/siyuan/issues/14534
+            if (rangeTypes[0] === "text" && type === "text" && textObj && this.range.startContainer.nodeType === 3 && this.range.startContainer.isSameNode(this.range.endContainer)) {
+                const selectParentElement = this.range.startContainer.parentElement;
+                if (selectParentElement && hasSameTextStyle(null, selectParentElement, textObj)) {
+                    return;
+                }
+            }
         }
+
         const selectText = this.range.toString();
         fixTableRange(this.range);
         let previousElement: HTMLElement;