@johngw/stream
Version:
Reactive programming tools using the WHATWG Streams API.
19 lines (18 loc) • 363 B
TypeScript
/**
* Adds a counter representing the amount of chunks
* received thus far.
*
* @group Transformers
* @example
* ```
* --a----------------------b-------|
*
* withCounter()
*
* --{chunk:'a',counter:0}--{chunk:'b',counter:1}-|
* ```
*/
export declare function withCounter<T>(start?: number): TransformStream<T, {
chunk: T;
counter: number;
}>;