message: Only set locations if component is still mounted
diff: @@ -26,7 +26,7 @@ import {
  pageTheme,
  useApi,
  } from '@backstage/core';
  -import { useAsync } from 'react-use';
  +import { useAsync, useMountedState } from 'react-use';
  import CatalogTable from '../CatalogTable/CatalogTable';
  import {
  CatalogFilter,
  @@ -57,6 +57,7 @@ const CatalogPage: FC<{}> = () => {
  const [selectedFilter, setSelectedFilter] = useState<CatalogFilterItem>(
  defaultFilter,
  );
  + const isMounted = useMountedState();
  const onFilterSelected = useCallback(
  selected => setSelectedFilter(selected),
  @@ -77,9 +78,11 @@ const CatalogPage: FC<{}> = () => {
  (location): Location[] =>
  location.filter(l => !!l) as Array<Location>,
  )
  - .then(setLocations);
  + .then(location => {
  + if (isMounted()) setLocations(location);
  + });
  }
  - }, [value, catalogApi]);
  + }, [value, catalogApi, isMounted]);
  const actions = [
  (rowData: Component) => ({
  