/// <reference types="node" />

import { spawn, SpawnOptions } from "child_process";

type NativeSpawnResult = ReturnType<typeof spawn>;

type SpawnResult<Output, Extra> =
    & Promise<
        {
            cmd: string;
            args: string[];
            code: number;
            signal: NodeJS.Signals | null;
            stdout: Output;
            stderr: Output;
        } & Extra
    >
    & { process: NativeSpawnResult; stdio: NativeSpawnResult["stdio"] };

type PromiseSpawnOptions = {
    cwd?: string;
    stdioString?: boolean;
} & SpawnOptions;

declare const promiseSpawn: {
    <O extends PromiseSpawnOptions = PromiseSpawnOptions>(
        cmd: string,
        args: string[],
        opts?: O,
        extra?: Record<any, any>,
    ): SpawnResult<O extends { stdioString: false } ? Buffer : string, typeof extra>;
    open<O extends PromiseSpawnOptions & { command?: string } = PromiseSpawnOptions & { command?: string }>(
        args: string | string[],
        opts?: O,
        extra?: Record<any, any>,
    ): SpawnResult<O extends { stdioString: false } ? Buffer : string, typeof extra>;
};

export = promiseSpawn;