Function hasCell

src/store/index.ts:1549–1550

(tableId: Id, rowId: Id, cellId: Id)

    collHas(mapGet(tablesMap, id(tableId)), id(rowId));

  const hasCell = (tableId: Id, rowId: Id, cellId: Id): boolean =>
    collHas(mapGet(mapGet(tablesMap, id(tableId)), id(rowId)), id(cellId));

  const hasValues = (): boolean => !collIsEmpty(valuesMap);