message: Fix reject signature
diff: @@ -76,7 +76,7 @@ declare class CanvasAnimation {
  protected static _animateFrame(
  deltaTime: number,
  resolve: () => void,
  - reject: (err: Error) => void,
  + reject: (reason?: any) => void,
  attributes: CanvasAnimation.Attribute[],
  duration: number,
  ontick: (dt: number, attributes: CanvasAnimation.Attribute[]) => void
  