remove unused handleListUpdate

Signed-off-by: Joshua Li <[email protected]>

src/plugins/data/public/ui/query_editor/query_editor.tsx

@@ -58,7 +58,6 @@ interface State {
   index: number | null;
   suggestions: QuerySuggestion[];
   indexPatterns: IIndexPattern[];
-  queryEditorRect: DOMRect | undefined;
 }
 
 const KEY_CODES = {
@@ -83,16 +82,13 @@ export default class QueryEditorUI extends Component<Props, State> {
     index: null,
     suggestions: [],
     indexPatterns: [],
-    queryEditorRect: undefined,
   };
 
   public inputRef: HTMLTextAreaElement | null = null;
 
   private persistedLog: PersistedLog | undefined;
   private abortController?: AbortController;
   private services = this.props.opensearchDashboards.services;
-  private componentIsUnmounting = false;
-  private queryEditorDivRefInstance: RefObject<HTMLDivElement> = createRef();
   private headerRef: RefObject<HTMLDivElement> = createRef();
   private bannerRef: RefObject<HTMLDivElement> = createRef();
   private extensionMap = this.props.settings?.getQueryEditorExtensionMap();
@@ -238,12 +234,6 @@ export default class QueryEditorUI extends Component<Props, State> {
 
     this.initPersistedLog();
     // this.fetchIndexPatterns().then(this.updateSuggestions);
-    this.handleListUpdate();
-
-    window.addEventListener('scroll', this.handleListUpdate, {
-      passive: true, // for better performance as we won't call preventDefault
-      capture: true, // scroll events don't bubble, they must be captured instead
-    });
   }
 
   public componentDidUpdate(prevProps: Props) {
@@ -257,18 +247,8 @@ export default class QueryEditorUI extends Component<Props, State> {
 
   public componentWillUnmount() {
     if (this.abortController) this.abortController.abort();
-    this.componentIsUnmounting = true;
-    window.removeEventListener('scroll', this.handleListUpdate, { capture: true });
   }
 
-  handleListUpdate = () => {
-    if (this.componentIsUnmounting) return;
-
-    return this.setState({
-      queryEditorRect: this.queryEditorDivRefInstance.current?.getBoundingClientRect(),
-    });
-  };
-
   handleOnFocus = () => {
     if (this.props.onChangeQueryEditorFocus) {
       this.props.onChangeQueryEditorFocus(true);