merged with master

1 files changed, 6 insertions, 3 deletions

diff --git a/src/client/DocServer.ts b/src/client/DocServer.ts
index 5fdea131b..353e11775 100644
--- a/src/client/DocServer.ts
+++ b/src/client/DocServer.ts
@@ -32,9 +32,11 @@ export namespace DocServer {
     let _cache: { [id: string]: RefField | Promise<Opt<RefField>> } = {};
 
     export function FindDocByTitle(title: string) {
-        const foundDocId = Array.from(Object.keys(_cache))
-            .filter(key => _cache[key] instanceof Doc)
-            .find(key => (_cache[key] as Doc).title === title);
+        const foundDocId =
+            title &&
+            Array.from(Object.keys(_cache))
+                .filter(key => _cache[key] instanceof Doc)
+                .find(key => (_cache[key] as Doc).title === title);
 
         return foundDocId ? (_cache[foundDocId] as Doc) : undefined;
     }
@@ -51,6 +53,7 @@ export namespace DocServer {
         DocListCast(DocCast(Doc.UserDoc().myLinkDatabase).data).forEach(link => {
             if (!references.has(DocCast(link.link_anchor_1)) && !references.has(DocCast(link.link_anchor_2))) {
                 Doc.RemoveDocFromList(DocCast(Doc.UserDoc().myLinkDatabase), 'data', link);
+                Doc.AddDocToList(Doc.MyRecentlyClosed, undefined, link);
             }
         });
         LinkManager.userLinkDBs.forEach(linkDb => Doc.FindReferences(linkDb, references, undefined));