maximize-iterator/dist/esm/types.d.ts

Maximize the parallel calls of an iterator supporting asyncIterator interface

export type Callback = (err?: Error) => void;
export interface ForEachOptions {
    error?: (err: Error) => boolean | void;
    canProcess?: () => boolean;
    callbacks?: boolean;
    concurrency?: number;
    limit?: number;
}
export type EachDoneCallback = (error?: Error, done?: boolean) => void;
export type EachValue<T> = (value: T) => boolean | void | Error;
export type EachCallback<T> = (value: T, callback: EachDoneCallback) => void;
export type EachPromise<T> = (value: T) => Promise<boolean | undefined>;
export type EachFunction<T> = EachValue<T> | EachCallback<T> | EachPromise<T>;
export type NextCallback<T> = (error?: Error, value?: T | null) => void;
export type Next<T> = (callback: ProcessCallback<T>) => void;
export type ProcessCallback<T, TReturn = unknown> = (error?: Error, value?: IteratorResult<T, TReturn>) => void;
export type Processor = (doneOrError?: Error | boolean) => void;
export interface ProcessorOptions<T> extends ForEachOptions {
    each: EachFunction<T>;
    total: number;
    counter: number;
    done?: boolean;
    err?: Error;
}
export type Iterator<T, TReturn = unknown, TNext = unknown> = AsyncIterator<T, TReturn, TNext> | AsyncIterable<T, TReturn, TNext> | AsyncIterableIterator<T, TReturn, TNext>;