Feature add caret position from point

Contact.md

@@ -1,14 +1,20 @@
 
 欢迎小伙伴们加入micro-app微信群交流^ ^
-![d9954f365a194cab1408e95846e0f98c](https://github.com/user-attachments/assets/8dd1826e-8e47-4557-b06b-26fbbfd06e4d)
+![d41ddc5fce71b2d9127b1d908091f9b0](https://github.com/user-attachments/assets/07511474-187b-4faf-a6de-0ab4e1073d33)
+
+
+
 
 
 
 
 
 
 欢迎小伙伴们加入micro-app-DevTools开发交流群^ ^
-![20aab719ed36bb0eee4025ea957031da](https://github.com/user-attachments/assets/3872f24e-58a8-4848-bb92-7035f83edde2)
+![682a80d5b3d6e250dfc269383c5ab9c7](https://github.com/user-attachments/assets/e16b4efa-ef2d-47e5-bb4b-a23d02e4d33e)
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+
 
 
 

src/sandbox/iframe/document.ts

@@ -78,16 +78,36 @@ function patchDocumentPrototype (appName: string, microAppWindow: microAppWindow
   const rawMicroGetElementsByName = microRootDocument.prototype.getElementsByName
   const rawMicroElementFromPoint = microRootDocument.prototype.elementFromPoint
   const rawMicroCaretRangeFromPoint = microRootDocument.prototype.caretRangeFromPoint
+  const rawMicroCaretPositionFromPoint = microRootDocument.prototype.caretPositionFromPoint
 
-  microRootDocument.prototype.caretRangeFromPoint = function caretRangeFromPoint (
-    x: number,
-    y: number,
-  ): Range {
-    // 这里this指向document才可以获取到子应用的document实例，range才可以被成功生成
-    const element = rawMicroElementFromPoint.call(rawDocument, x, y)
-    const range = rawMicroCaretRangeFromPoint.call(rawDocument, x, y)
-    updateElementInfo(element, appName)
-    return range
+  /**
+   * Firefox does not support caretRangeFromPoint
+   * @see https://developer.mozilla.org/zh-CN/docs/Web/API/Document/caretRangeFromPoint
+   */
+  if (isFunction(rawMicroCaretRangeFromPoint)) {
+    microRootDocument.prototype.caretRangeFromPoint = function caretRangeFromPoint (
+      x: number,
+      y: number,
+    ): Range {
+      // 这里this指向document才可以获取到子应用的document实例，range才可以被成功生成
+      const element = rawMicroElementFromPoint.call(rawDocument, x, y)
+      const range = rawMicroCaretRangeFromPoint.call(rawDocument, x, y)
+      updateElementInfo(element, appName)
+      return range
+    }
+  }
+
+  if (isFunction(rawMicroCaretPositionFromPoint)) {
+    microRootDocument.prototype.caretPositionFromPoint = function caretPositionFromPoint (
+      x: number,
+      y: number,
+    ): CaretPosition {
+      // 这里this指向document才可以获取到子应用的document实例，range才可以被成功生成
+      const element = rawMicroElementFromPoint.call(rawDocument, x, y)
+      const range = rawMicroCaretPositionFromPoint.call(rawDocument, x, y)
+      updateElementInfo(element, appName)
+      return range
+    }
   }
 
   microRootDocument.prototype.createElement = function createElement (