From 877b104a61d2ab072e3b6a006168ec03e2c46365 Mon Sep 17 00:00:00 2001
From: Tyler Schicke <tyler_schicke@brown.edu>
Date: Tue, 30 Apr 2019 00:11:27 -0400
Subject: Mostly fixed lists

---
 src/client/util/UndoManager.ts                                        | 4 ++--
 .../views/collections/collectionFreeForm/CollectionFreeFormView.tsx   | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/client')

diff --git a/src/client/util/UndoManager.ts b/src/client/util/UndoManager.ts
index f7c3e5a7b..0b5280c4a 100644
--- a/src/client/util/UndoManager.ts
+++ b/src/client/util/UndoManager.ts
@@ -141,10 +141,10 @@ export namespace UndoManager {
     });
 
     //TODO Make this return the return value
-    export function RunInBatch(fn: () => void, batchName: string) {
+    export function RunInBatch<T>(fn: () => T, batchName: string) {
         let batch = StartBatch(batchName);
         try {
-            runInAction(fn);
+            return runInAction(fn);
         } finally {
             batch.end();
         }
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index dcded7648..d796bd8d5 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -272,6 +272,7 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
     get views() {
         let curPage = FieldValue(this.Document.curPage, -1);
         let docviews = (this.children || []).filter(doc => doc).reduce((prev, doc) => {
+            if (!FieldValue(doc)) return prev;
             var page = Cast(doc.page, "number", -1);
             if (page === curPage || page === -1) {
                 let minim = Cast(doc.isMinimized, "boolean");
-- 
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