for admin form page

utils/dom-utils.js

@@ -3,7 +3,7 @@
  * 提供用于创建和管理 DOM 元素的辅助函数
  */
 
-import { FIELD_TYPES } from './constants.js';
+import { FIELD_TYPES, DOM_CLASSES } from './constants.js';
 
 /**
  * 从表元素中提取列宽度信息
@@ -68,3 +68,40 @@ export const safelyAppendLabel = (targetElement, labelElement) => {
     return false;
   }
 };
+
+const isRowElement = (element) => element?.classList?.contains(DOM_CLASSES.ROW_ELEMENT);
+const isFieldElement = (element) => element?.classList?.contains(DOM_CLASSES.FIELD_ELEMENT);
+
+/**
+ * 基于 DOM 类名判断字段类型的工具对象
+ * 用于 admin 表单页面通过 DOM 元素判断字段类型
+ */
+export const FieldTypeCheckerForAdminDom = {
+  isRowElement,
+  isFieldElement,
+
+  isSubtable: (element) => {
+    return !isRowElement(element) && !isFieldElement(element) &&
+          element?.classList?.contains(DOM_CLASSES.SUBTABLE);
+  },
+  isGroup: (element) => {
+    return isRowElement(element) &&
+           !!element?.querySelector(`.${DOM_CLASSES.GROUP}`);
+  },
+  isReferenceTable: (element) => {
+    return isRowElement(element) &&
+           !!element?.querySelector(`.${DOM_CLASSES.REFERENCE_TABLE}`);
+  },
+  isSpacer: (element) => {
+    return isFieldElement(element) &&
+           element?.classList?.contains(DOM_CLASSES.SPACER);
+  },
+  isLabel: (element) => {
+    return isFieldElement(element) &&
+           element?.classList?.contains(DOM_CLASSES.LABEL);
+  },
+  isHr: (element) => {
+    return isFieldElement(element) &&
+           element?.classList?.contains(DOM_CLASSES.HR);
+  },
+};