checking that _rebuildFromLine is undefined in the early return

Author: aiday-mar

src/vs/editor/contrib/stickyScroll/browser/stickyScrollWidget.ts

@@ -127,7 +127,7 @@ export class StickyScrollWidget extends Disposable implements IOverlayWidget {
 	}
 
 	setState(_state: StickyScrollWidgetState | undefined, foldingModel: FoldingModel | null, _rebuildFromLine?: number): void {
-		if (typeof _rebuildFromLine === 'undefined' &&
+		if (_rebuildFromLine === undefined &&
 			((!this._previousState && !_state) || (this._previousState && this._previousState.equals(_state)))
 		) {
 			return;