aggregationFn_extent
const aggregationFn_extent: AggregationFnDef<any, any, unknown, [RangeValue | undefined, RangeValue | undefined]>;Defined in: features/row-aggregation/aggregationFns.ts:180
Finds the minimum and maximum numeric or Date values from the selected rows.
Empty inputs return
[undefined, undefined], preserving the previous built-in result shape.