@mui/x-data-grid/esm/components/virtualization/GridVirtualScrollerRenderZone.js

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

import _extends from "@babel/runtime/helpers/esm/extends";
import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
const _excluded = ["className"];
import * as React from 'react';
import clsx from 'clsx';
import { styled } from '@mui/system';
import composeClasses from '@mui/utils/composeClasses';
import { forwardRef } from '@mui/x-internals/forwardRef';
import { useGridApiContext } from "../../hooks/utils/useGridApiContext.js";
import { useGridSelector } from "../../hooks/utils/useGridSelector.js";
import { gridRowsMetaSelector } from "../../hooks/features/rows/index.js";
import { gridRenderContextSelector } from "../../hooks/features/virtualization/index.js";
import { useGridRootProps } from "../../hooks/utils/useGridRootProps.js";
import { getDataGridUtilityClass } from "../../constants/gridClasses.js";
import { jsx as _jsx } from "react/jsx-runtime";
const useUtilityClasses = ownerState => {
  const {
    classes
  } = ownerState;
  const slots = {
    root: ['virtualScrollerRenderZone']
  };
  return composeClasses(slots, getDataGridUtilityClass, classes);
};
const VirtualScrollerRenderZoneRoot = styled('div', {
  name: 'MuiDataGrid',
  slot: 'VirtualScrollerRenderZone',
  overridesResolver: (props, styles) => styles.virtualScrollerRenderZone
})({
  position: 'absolute',
  display: 'flex',
  // Prevents margin collapsing when using `getRowSpacing`
  flexDirection: 'column'
});
const GridVirtualScrollerRenderZone = forwardRef(function GridVirtualScrollerRenderZone(props, ref) {
  const {
      className
    } = props,
    other = _objectWithoutPropertiesLoose(props, _excluded);
  const apiRef = useGridApiContext();
  const rootProps = useGridRootProps();
  const classes = useUtilityClasses(rootProps);
  const offsetTop = useGridSelector(apiRef, () => {
    const renderContext = gridRenderContextSelector(apiRef);
    const rowsMeta = gridRowsMetaSelector(apiRef);
    return rowsMeta.positions[renderContext.firstRowIndex] ?? 0;
  });
  return /*#__PURE__*/_jsx(VirtualScrollerRenderZoneRoot, _extends({
    className: clsx(classes.root, className),
    ownerState: rootProps,
    style: {
      transform: `translate3d(0, ${offsetTop}px, 0)`
    }
  }, other, {
    ref: ref
  }));
});
export { GridVirtualScrollerRenderZone };