added back tree view sorting.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/new_fields/Doc.ts b/src/new_fields/Doc.ts
index 0af345a98..a24746caf 100644
--- a/src/new_fields/Doc.ts
+++ b/src/new_fields/Doc.ts
@@ -494,6 +494,10 @@ export namespace Doc {
     // if the childDoc is a template for a field, then this will return the expanded layout with its data doc.
     // otherwise, it just returns the childDoc
     export function GetLayoutDataDocPair(containerDoc: Doc, containerDataDoc: Opt<Doc>, childDoc: Doc) {
+        if (!childDoc || !Doc.GetProto(childDoc)) {
+            console.log("No, no, no!");
+            return { layout: childDoc, data: childDoc };
+        }
         const existingResolvedDataDoc = childDoc[DataSym] !== Doc.GetProto(childDoc)[DataSym] && childDoc[DataSym];
         const resolvedDataDoc = existingResolvedDataDoc || (Doc.AreProtosEqual(containerDataDoc, containerDoc) || !containerDataDoc || (!childDoc.isTemplateDoc && !childDoc.isTemplateForField) ? undefined : containerDataDoc);
         return { layout: Doc.expandTemplateLayout(childDoc, resolvedDataDoc), data: resolvedDataDoc };