Merge branch 'master' into menushortcuts-jesus

1 files changed, 4 insertions, 1 deletions

diff --git a/src/client/views/collections/CollectionTreeView.tsx b/src/client/views/collections/CollectionTreeView.tsx
index 1a265af4a..456f2a13d 100644
--- a/src/client/views/collections/CollectionTreeView.tsx
+++ b/src/client/views/collections/CollectionTreeView.tsx
@@ -259,11 +259,13 @@ export class CollectionTreeView extends CollectionSubView<Partial<collectionTree
         return StrListCast(this.doc.childContextMenuLabels).map((label, i) => ({ script: customScripts[i], filter: customFilters[i], icon: icons[i], label }));
     };
     headerFields = () => this.props.treeViewHideHeaderFields || BoolCast(this.doc.treeViewHideHeaderFields);
+    @observable _renderCount = 1;
     @computed get treeViewElements() {
         TraceMobx();
         const dropAction = StrCast(this.doc.childDropAction) as dropActionType;
         const addDoc = (doc: Doc | Doc[], relativeTo?: Doc, before?: boolean) => this.addDoc(doc, relativeTo, before);
         const moveDoc = (d: Doc | Doc[], target: Doc | undefined, addDoc: (doc: Doc | Doc[]) => boolean) => this.props.moveDocument?.(d, target, addDoc) || false;
+        if (this.treeChildren.length < this._renderCount) setTimeout(action(() => (this._renderCount = Math.min(this.treeChildren.length, this._renderCount + 20))));
         return TreeView.GetChildElements(
             this.treeChildren,
             this,
@@ -296,7 +298,8 @@ export class CollectionTreeView extends CollectionSubView<Partial<collectionTree
             //TODO: [AL] add these
             this.props.AddToMap,
             this.props.RemFromMap,
-            this.props.hierarchyIndex
+            this.props.hierarchyIndex,
+            this._renderCount
         );
     }
     @computed get titleBar() {