Interface: AggregationFnDef<TFeatures, TData, TValue, TResult>#

Defined in: features/row-aggregation/rowAggregationFeature.types.ts:62

A context-based aggregation definition and optional grouped-result merge.

Type Parameters#

TFeatures#

TFeatures extends TableFeatures = any

TData#

TData extends RowData = any

TValue#

TValue = unknown

TResult#

TResult = unknown

Properties#

aggregate()#

aggregate: (context) => TResult;

Defined in: features/row-aggregation/rowAggregationFeature.types.ts:69

Computes a result directly from the selected rows.

Parameters#

context#

AggregationContext<TFeatures, TData, TValue>

Returns#

TResult

merge()?#

optional merge: (context) => TResult;

Defined in: features/row-aggregation/rowAggregationFeature.types.ts:74

Combines already-computed immediate sub-row results. When omitted, nested grouping falls back to aggregate over the group's selected rows.

Parameters#

context#

AggregationMergeContext<TFeatures, TData, TValue, TResult>

Returns#

TResult