@itwin/itwinui-react/DEV-esm/core/Table/hooks/useScrollToRow.js

A react component library for iTwinUI

import * as React from 'react';
export function useScrollToRow({
  data,
  enableVirtualization,
  page,
  paginatorRenderer,
  scrollToRow,
}) {
  let rowRefs = React.useRef({});
  let pageRef = React.useRef(page);
  pageRef.current = page;
  let dataRef = React.useRef(data);
  dataRef.current = data;
  let scrollToIndex = React.useMemo(() => {
    if (!scrollToRow || paginatorRenderer) return;
    let index = scrollToRow(pageRef.current, dataRef.current);
    return index < 0 ? void 0 : index;
  }, [paginatorRenderer, scrollToRow]);
  React.useEffect(() => {
    if (enableVirtualization || null == scrollToIndex || scrollToIndex < 0)
      return;
    rowRefs.current[pageRef.current[scrollToIndex]?.id]?.scrollIntoView();
  }, [enableVirtualization, scrollToIndex]);
  let tableRowRef = React.useCallback(
    (row) => (element) => {
      rowRefs.current[row.id] = element;
    },
    [],
  );
  return {
    scrollToIndex,
    tableRowRef,
  };
}