feat: add VirtualScroll tree

components/tree/Tree.tsx

@@ -199,6 +199,7 @@ export default defineComponent({
         selectable,
         fieldNames = props.replaceFields,
         motion = props.openAnimation,
+        itemHeight = 20,
       } = props;
       const newProps = {
         ...attrs,
@@ -207,13 +208,13 @@ export default defineComponent({
         dropIndicatorRender,
         fieldNames,
         icon,
+        itemHeight,
       };
 
       return (
         <VcTree
-          itemHeight={20}
-          virtual={virtual.value}
           {...newProps}
+          virtual={virtual.value}
           motion={motion}
           ref={treeRef}
           prefixCls={prefixCls.value}

components/vc-tree/Tree.tsx

@@ -561,9 +561,10 @@ export default defineComponent({
       }
 
       // [Legacy] Not found related usage in doc or upper libs
+      const keyEntitiesValue = keyEntities.value;
       const selectedNodes = newSelectedKeys
         .map(selectedKey => {
-          const entity = keyEntities.value[selectedKey];
+          const entity = keyEntitiesValue[selectedKey];
           if (!entity) return null;
 
           return entity.node;
@@ -605,8 +606,9 @@ export default defineComponent({
         const newHalfCheckedKeys = arrDel(halfCheckedKeys.value, key);
         checkedObj = { checked: newCheckedKeys, halfChecked: newHalfCheckedKeys };
 
+        const keyEntitiesValue = keyEntities.value;
         eventObj.checkedNodes = newCheckedKeys
-          .map(checkedKey => keyEntities.value[checkedKey])
+          .map(checkedKey => keyEntitiesValue[checkedKey])
           .filter(entity => entity)
           .map(entity => entity.node);
 
@@ -829,14 +831,6 @@ export default defineComponent({
       }
     };
 
-    // const getActiveItem = () => {
-    //   if (activeKey.value === null) {
-    //     return null;
-    //   }
-
-    //   return flattenNodes.value.find(({ data: { key } }) => key === activeKey.value) || null;
-    // };
-
     const activeItem = computed<FlattenNode>(() => {
       if (activeKey.value === null) {
         return null;

components/vc-virtual-list/hooks/useHeights.tsx

@@ -36,7 +36,7 @@ export default function useHeights<T>(
     const origin = instance.get(key);
 
     if (ins) {
-      instance.set(key, ins);
+      instance.set(key, (ins as any).$el || ins);
       collectHeight();
     } else {
       instance.delete(key);

v2-doc

@@ -1 +1 @@
-Subproject commit bf82708b6f320f1e9b185c6eba58b4ce08593fc3
+Subproject commit e7db31900631a7da14f40b7f2ab0e3f266a26e00