@mui/x-virtualizer/features/rowspan.js

MUI virtualization library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.Rowspan = void 0;
/* eslint-disable import/export, @typescript-eslint/no-redeclare */

const EMPTY_RANGE = {
  firstRowIndex: 0,
  lastRowIndex: 0
};
const EMPTY_CACHES = {
  spannedCells: {},
  hiddenCells: {},
  hiddenCellOriginMap: {}
};
const selectors = {
  state: state => state.rowSpanning,
  hiddenCells: state => state.rowSpanning.caches.hiddenCells,
  spannedCells: state => state.rowSpanning.caches.spannedCells,
  hiddenCellsOriginMap: state => state.rowSpanning.caches.hiddenCellOriginMap
};
const Rowspan = exports.Rowspan = {
  initialize: initializeState,
  use: useRowspan,
  selectors
};
function initializeState(params) {
  return {
    rowSpanning: params.initialState?.rowSpanning ?? {
      caches: EMPTY_CACHES,
      processedRange: EMPTY_RANGE
    }
  };
}
function useRowspan(store, _params, _api) {
  const getHiddenCellsOrigin = () => selectors.hiddenCellsOriginMap(store.state);
  return {
    getHiddenCellsOrigin
  };
}