asyncerator/dist-types/operator/before.d.ts

Provide supporting types for AsyncIterable/AsyncIterableIterators, promisified stream.pipeline implementation, and Array-like utility operators, sources and sinks.

import type { Operator } from './index';
/**
 * Emit a value before a stream starts.
 * @param value
 */
export default function <Input>(value: Input): Operator<Input, Input>;