feat: 完善循环输出扁平聚合

- 校验并恢复循环输出的聚合策略

- 将最终类型并入参数值并优化同排开关交互

easyflow-ui-admin/packages/tinyflow-ui/src/components/utils/useRefOptions.svelte.ts

@@ -7,6 +7,7 @@ import {
   buildLoopReferenceParameters,
   buildLoopScopeParameters,
   isArrayDataType,
+  projectParameterDataType,
 } from '../../utils/loopScope';
 
 const fillRefNodeIds = (
@@ -25,9 +26,9 @@ const fillRefNodeIds = (
 const getChildren = (
   params: any,
   parentId: string,
-  nodeIsChildren: boolean,
   nodeType: string,
   parentPathLabel = '',
+  ancestorCollectionDepth = 0,
   parentIsCollection = false,
 ) => {
   if (!params || params.length === 0) return [];
@@ -43,25 +44,29 @@ const getChildren = (
       : parentIsCollection
         ? `${parentPathLabel}.[].${normalizedChildLabel}`
         : `${parentPathLabel}.${normalizedChildLabel}`;
-    const dataType = nodeIsChildren
-      ? `Array<${param.dataType || 'String'}>`
-      : param.dataType || 'String';
+    const dataType = projectParameterDataType(
+      param,
+      ancestorCollectionDepth,
+    );
+    const nextCollectionDepth =
+      ancestorCollectionDepth + (isCollection ? 1 : 0);
     return {
       label: pathLabel,
-      dataType: dataType,
+      dataType,
       value: parentId + '.' + param.name,
       selectable: true,
       nodeType: nodeType,
       displayLabel: pathLabel,
       pathLabel,
-      itemTypeLabel: parentIsCollection ? '数组项字段' : undefined,
+      itemTypeLabel:
+        ancestorCollectionDepth > 0 ? '数组项字段' : undefined,
       isCollection,
       children: getChildren(
         param.children,
         parentId + '.' + param.name,
-        nodeIsChildren,
         nodeType,
         pathLabel,
+        nextCollectionDepth,
         isCollection,
       ),
     };
@@ -70,7 +75,6 @@ const getChildren = (
 
 const nodeToOptions = (
   node: Node,
-  nodeIsChildren: boolean,
   currentNode: Node,
   nodes: Node[],
 ) => {
@@ -94,13 +98,10 @@ const nodeToOptions = (
     const children = [];
     if (parameters)
       for (const parameter of parameters) {
-        const dataType = nodeIsChildren
-          ? `Array<${parameter.dataType || 'String'}>`
-          : parameter.dataType || 'String';
         const label = getStartNodeParameterLabel(parameter);
         children.push({
           label,
-          dataType: dataType,
+          dataType: projectParameterDataType(parameter),
           value: node.id + '.' + parameter.name,
           selectable: true,
           nodeType: nodeType,
@@ -132,7 +133,6 @@ const nodeToOptions = (
       children: getChildren(
         referenceParameters,
         node.id,
-        false,
         nodeType,
       ),
     };
@@ -145,7 +145,7 @@ const nodeToOptions = (
         value: node.id,
         selectable: false,
         nodeType: nodeType,
-        children: getChildren(outputDefs, node.id, nodeIsChildren, nodeType),
+        children: getChildren(outputDefs, node.id, nodeType),
       };
     }
   }
@@ -153,6 +153,7 @@ const nodeToOptions = (
 
 export const useRefOptions: any = (
   useChildrenOnly: boolean | (() => boolean) = false,
+  currentRef: string | (() => string) = '',
 ) => {
   const currentNodeId = getCurrentNodeId();
   const currentNode = useNodesData(currentNodeId);
@@ -161,11 +162,16 @@ export const useRefOptions: any = (
     typeof useChildrenOnly === 'function'
       ? useChildrenOnly()
       : useChildrenOnly;
+  const getCurrentRef = () =>
+    typeof currentRef === 'function' ? currentRef() : currentRef;
 
   let selectItems = $derived.by(() => {
     const resultOptions = [];
     if (!currentNode.current) {
-      return [];
+      return {
+        items: [],
+        selected: undefined,
+      };
     }
 
     //通过 nodeLookup.get 才会得到有 parentId 的 node
@@ -173,11 +179,9 @@ export const useRefOptions: any = (
 
     if (isChildrenOnly()) {
       for (const node of nodes) {
-        const nodeIsChildren = node.parentId === currentNode.current.id;
-        if (nodeIsChildren) {
+        if (node.parentId === currentNode.current.id) {
           const nodeOptions = nodeToOptions(
             node,
-            nodeIsChildren,
             cNode,
             nodes,
           );
@@ -193,10 +197,8 @@ export const useRefOptions: any = (
           node.type === 'loopNode' &&
           buildLoopScopeParameters(node, cNode, nodes).length > 0;
         if (refNodeIds.includes(node.id) || isScopedLoop) {
-          const nodeIsChildren = node.parentId === currentNode.current.id;
           const nodeOptions = nodeToOptions(
             node,
-            nodeIsChildren,
             cNode,
             nodes,
           );
@@ -205,12 +207,30 @@ export const useRefOptions: any = (
       }
     }
 
-    return resultOptions;
+    const items = resultOptions;
+    const stack = [...items];
+    let selected;
+    const currentValue = getCurrentRef();
+    // 单次深度优先扫描定位当前引用，避免为每个参数额外构建全量索引。
+    while (stack.length > 0) {
+      const item = stack.pop();
+      if (item?.value === currentValue) {
+        selected = item;
+        break;
+      }
+      if (item?.children?.length) {
+        stack.push(...item.children);
+      }
+    }
+    return { items, selected };
   });
 
   return {
     get current() {
-      return selectItems;
+      return selectItems.items;
+    },
+    get selected() {
+      return selectItems.selected;
     },
   };
 };