True for the group column of a row grouping (RowGroupColumnDef). Works across copies of the core.
the object to check, e.g. a column definition
true for the group column
const groupColumnIndex = (tableModel.getColumnDefs() ?? []).findIndex(isRowGroupColumnDef); Copy
const groupColumnIndex = (tableModel.getColumnDefs() ?? []).findIndex(isRowGroupColumnDef);
1.1.94
True for the group column of a row grouping (RowGroupColumnDef). Works across copies of the core.