@angular/forms/signals

reducedProperty

function

Creates an aggregate property that reduces its individual values into an accumulated value using the given reduce and getInitial functions.

API

function reducedProperty<TAcc, TItem>(
  reduce: (acc: TAcc, item: TItem) => TAcc,
  getInitial: () => TAcc,
): AggregateProperty<TAcc, TItem>;

AggregateProperty<TAcc, TItem>

Creates an aggregate property that reduces its individual values into an accumulated value using the given reduce and getInitial functions.

@paramreduce(acc: TAcc, item: TItem) => TAcc

The reducer function.

@paramgetInitial() => TAcc

A function that gets the initial value for the reduce operation.

@returnsAggregateProperty<TAcc, TItem>