cleaned up imports, mobx observable initialization and some compile errors.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/client/views/MainView.tsx b/src/client/views/MainView.tsx
index 094bd2adb..35ffab337 100644
--- a/src/client/views/MainView.tsx
+++ b/src/client/views/MainView.tsx
@@ -118,7 +118,7 @@ export class MainView extends ObservableReactComponent<{}> {
     @computed private get userDoc() {
         return Doc.UserDoc();
     }
-    @observable mainDoc: Opt<Doc>;
+    @observable mainDoc: Opt<Doc> = undefined;
     @computed private get mainContainer() {
         if (window.location.pathname.startsWith('/doc/') && Doc.CurrentUserEmail === 'guest') {
             DocServer.GetRefField(window.location.pathname.substring('/doc/'.length)).then(main => runInAction(() => (this.mainDoc = main as Doc)));