@reactivex/ix-esnext-esm
Version:
The Interactive Extensions for JavaScript
21 lines (20 loc) • 1.34 kB
TypeScript
import { AsyncIterableX } from './../asynciterablex';
import { MonoTypeOperatorAsyncFunction } from '../../interfaces';
import { DistinctOptions } from './distinctoptions';
export declare class DistinctAsyncIterable<TSource, TKey = TSource> extends AsyncIterableX<TSource> {
private _source;
private _keySelector;
private _comparer;
constructor(source: AsyncIterable<TSource>, keySelector: (value: TSource, signal?: AbortSignal) => TKey | Promise<TKey>, comparer: (x: TKey, y: TKey) => boolean | Promise<boolean>);
[Symbol.asyncIterator](signal?: AbortSignal): AsyncGenerator<TSource, void, unknown>;
}
/**
* Returns an async-iterable sequence that contains only distinct elements according to the keySelector and comparer.
*
* @export
* @template TSource The type of the elements in the source sequence.
* @template TKey The type of the discriminator key computed for each element in the source sequence.
* @param {DistinctOptions<TSource, TKey = TSource>} [options] The optional arguments for a key selector and comparer function.
* @returns {MonoTypeOperatorAsyncFunction<TSource>} An operator that returns distinct elements according to the keySelector and options.
*/
export declare function distinct<TSource, TKey = TSource>(options?: DistinctOptions<TSource, TKey>): MonoTypeOperatorAsyncFunction<TSource>;