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

1 files changed, 3 insertions, 3 deletions

diff --git a/src/client/views/nodes/VideoBox.tsx b/src/client/views/nodes/VideoBox.tsx
index f205dbd56..8e9cfe3d7 100644
--- a/src/client/views/nodes/VideoBox.tsx
+++ b/src/client/views/nodes/VideoBox.tsx
@@ -74,8 +74,8 @@ export class VideoBox extends ViewBoxAnnotatableComponent<ViewBoxAnnotatableProp
         this._props.setContentView?.(this);
     }
 
-    @observable _stackedTimeline: any; // CollectionStackedTimeline ref
-    @observable static _nativeControls: boolean; // default html controls
+    @observable _stackedTimeline: any = undefined; // CollectionStackedTimeline ref
+    @observable static _nativeControls: boolean = false; // default html controls
     @observable _savedAnnotations = new ObservableMap<number, HTMLDivElement[]>();
     @observable _screenCapture = false;
     @observable _clicking = false; // used for transition between showing/hiding timeline
@@ -86,7 +86,7 @@ export class VideoBox extends ViewBoxAnnotatableComponent<ViewBoxAnnotatableProp
     @observable _finished: boolean = false; // has playback reached end of clip
     @observable _volume: number = 1;
     @observable _muted: boolean = false;
-    @observable _controlsTransform?: { X: number; Y: number };
+    @observable _controlsTransform?: { X: number; Y: number } = undefined;
     @observable _controlsVisible: boolean = true;
     @observable _scrubbing: boolean = false;