From afb0c5cb864815fee6ec357defe06813487f337a Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Wed, 15 Sep 2021 13:15:50 -0400
Subject: avoid runtime error in compute group bounds on startup when docs are
 still promises.

---
 .../views/collections/collectionFreeForm/CollectionFreeFormView.tsx     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index cb912484f..362839852 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -1217,7 +1217,7 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
         this._marqueeRef.current?.addEventListener("dashDragAutoScroll", this.onDragAutoScroll as any);
 
         this._disposers.groupBounds = reaction(() => {
-            if (this.props.Document._isGroup) {
+            if (this.props.Document._isGroup && this.childDocs.length) {
                 const clist = this.childDocs.map(cd => ({ x: NumCast(cd.x), y: NumCast(cd.y), width: cd[WidthSym](), height: cd[HeightSym]() }));
                 return aggregateBounds(clist, NumCast(this.layoutDoc._xPadding), NumCast(this.layoutDoc._yPadding));
             }
-- 
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