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

1 files changed, 4 insertions, 4 deletions

diff --git a/src/client/views/animationtimeline/Track.tsx b/src/client/views/animationtimeline/Track.tsx
index 00aa51cac..490a14be5 100644
--- a/src/client/views/animationtimeline/Track.tsx
+++ b/src/client/views/animationtimeline/Track.tsx
@@ -8,10 +8,10 @@ import { ObjectField } from '../../../fields/ObjectField';
 import { listSpec } from '../../../fields/Schema';
 import { Cast, NumCast } from '../../../fields/Types';
 import { Transform } from '../../util/Transform';
+import { ObservableReactComponent } from '../ObservableReactComponent';
 import { Region, RegionData, RegionHelpers } from './Region';
 import { Timeline } from './Timeline';
 import './Track.scss';
-import { ObservableReactComponent } from '../ObservableReactComponent';
 
 interface IProps {
     timeline: Timeline;
@@ -29,9 +29,9 @@ interface IProps {
 @observer
 export class Track extends ObservableReactComponent<IProps> {
     @observable private _inner = React.createRef<HTMLDivElement>();
-    @observable private _currentBarXReaction: any;
-    @observable private _timelineVisibleReaction: any;
-    @observable private _autoKfReaction: any;
+    @observable private _currentBarXReaction: any = undefined;
+    @observable private _timelineVisibleReaction: any = undefined;
+    @observable private _autoKfReaction: any = undefined;
     @observable private _newKeyframe: boolean = false;
     private readonly MAX_TITLE_HEIGHT = 75;
     @observable private _trackHeight = 0;