@mui/x-data-grid/modern/hooks/features/virtualization/gridFocusedVirtualCellSelector.js

The Community plan edition of the Data Grid components (MUI X).

import _extends from "@babel/runtime/helpers/esm/extends";
import { createSelector } from 'reselect';
import { createSelectorMemoized } from "../../../utils/createSelector.js";
import { gridVisibleColumnDefinitionsSelector } from "../columns/gridColumnsSelector.js";
import { gridRenderContextSelector } from "./gridVirtualizationSelectors.js";
import { gridFocusCellSelector } from "../focus/index.js";
import { gridVisibleRowsSelector } from "../pagination/index.js";
import { gridRowsLookupSelector } from "../rows/index.js";
const gridIsFocusedCellOutOfContext = createSelector(gridFocusCellSelector, gridRenderContextSelector, gridVisibleRowsSelector, gridVisibleColumnDefinitionsSelector, gridRowsLookupSelector, (focusedCell, renderContext, currentPage, visibleColumns, rows) => {
  if (!focusedCell) {
    return false;
  }
  const row = rows[focusedCell.id];
  if (!row) {
    return false;
  }
  const rowIndex = currentPage.rowToIndexMap.get(row);
  const columnIndex = visibleColumns.slice(renderContext.firstColumnIndex, renderContext.lastColumnIndex).findIndex(column => column.field === focusedCell.field);
  const isInRenderContext = rowIndex !== undefined && columnIndex !== -1 && rowIndex >= renderContext.firstRowIndex && rowIndex <= renderContext.lastRowIndex;
  return !isInRenderContext;
});
export const gridFocusedVirtualCellSelector = createSelectorMemoized(gridIsFocusedCellOutOfContext, gridVisibleColumnDefinitionsSelector, gridVisibleRowsSelector, gridRowsLookupSelector, gridFocusCellSelector, (isFocusedCellOutOfRenderContext, visibleColumns, currentPage, rows, focusedCell) => {
  if (!isFocusedCellOutOfRenderContext) {
    return null;
  }
  const row = rows[focusedCell.id];
  if (!row) {
    return null;
  }
  const rowIndex = currentPage.rowToIndexMap.get(row);
  if (rowIndex === undefined) {
    return null;
  }
  const columnIndex = visibleColumns.findIndex(column => column.field === focusedCell.field);
  if (columnIndex === -1) {
    return null;
  }
  return _extends({}, focusedCell, {
    rowIndex,
    columnIndex
  });
});