Method _dataset_indexer

xarray/core/common.py:1231–1236

(dim: Hashable)

                return cond.any(dim=(d for d in cond.dims if d != dim))

            def _dataset_indexer(dim: Hashable) -> DataArray:
                cond_wdim = cond.drop_vars(
                    var for var in cond if dim not in cond[var].dims
                )
                keepany = cond_wdim.any(dim=(d for d in cond.dims if d != dim))
                return keepany.to_dataarray().any("variable")

            _get_indexer = (
                _dataarray_indexer if isinstance(cond, DataArray) else _dataset_indexer