import { execFile } from "node:child_process";import type { ChildProcess } from "node:child_process";import { promisify } from "node:util";import { Data, Effect } from "effect";import { runEffectPromise } from "./effect-runtime"; const execFileAsync = promisify(execFile) as unknown as (	command: string,	args: readonly string[],	options?: {		cwd?: string;		env?: NodeJS.ProcessEnv;		maxBuffer?: number;		killSignal?: NodeJS.Signals | number;		signal?: AbortSignal;	},) => Promise<unknown> & { child?: ChildProcess }; export interface SubprocessOptions {	command: string;	args?: readonly string[];	cwd?: string;	env?: NodeJS.ProcessEnv;	timeoutMs?: number;	signal?: AbortSignal;	maxBufferBytes?: number;	killSignal?: NodeJS.Signals | number;	acceptedExitCodes?: readonly number[];	redactValues?: readonly string[];	redact?: (value: string) => string;} export interface SubprocessResult {	stdout: string;	stderr: string;	exitCode: number;	signal?: NodeJS.Signals;} export class SubprocessError extends Data.TaggedError("SubprocessError")<{	readonly message: string;	readonly command: string;	readonly args: readonly string[];	readonly stdout: string;	readonly stderr: string;	readonly exitCode?: number;	readonly signal?: NodeJS.Signals;	readonly code?: string | number;	readonly causeWasError: boolean;	readonly timedOut: boolean;	readonly aborted: boolean;}> {} type ExecFailure = Error & {	code?: string | number;	killed?: boolean;	signal?: NodeJS.Signals;	stdout?: string | Buffer;	stderr?: string | Buffer;}; function outputText(value: unknown) {	if (typeof value === "string") return value;	if (Buffer.isBuffer(value)) return value.toString("utf8");	return "";} function resultOutput(value: unknown) {	if (typeof value === "string" || Buffer.isBuffer(value)) {		return { stdout: outputText(value), stderr: "" };	}	if (!value || typeof value !== "object") {		return { stdout: "", stderr: "" };	}	return {		stdout: outputText("stdout" in value ? value.stdout : ""),		stderr: outputText("stderr" in value ? value.stderr : ""),	};} function redactSecretUrls(value: string) {	return value.replace(		/([a-z][a-z0-9+.-]*:\/\/)([^/@:\s]+)(?::([^/@\s]+))?@/gi,		(_match, protocol: string) => `${protocol}REDACTED@`,	);} function createRedactor(options: SubprocessOptions) {	return (value: string) => {		let redacted = redactSecretUrls(value);		for (const secret of options.redactValues ?? []) {			if (secret) redacted = redacted.replaceAll(secret, "[REDACTED]");		}		return options.redact ? options.redact(redacted) : redacted;	};} function failureDetails(cause: unknown) {	const failure = cause instanceof Error ? (cause as ExecFailure) : undefined;	return {		message: failure?.message ?? String(cause),		stdout: outputText(failure?.stdout),		stderr: outputText(failure?.stderr),		code: failure?.code,		exitCode: typeof failure?.code === "number" ? failure.code : undefined,		signal: failure?.signal,	};} function subprocessError(	options: SubprocessOptions,	cause: unknown,	state: { timedOut: boolean; aborted: boolean },) {	const redact = createRedactor(options);	const details = failureDetails(cause);	const command = redact(options.command);	const args = (options.args ?? []).map(redact);	const fallback = `${command}${args.length > 0 ? ` ${args.join(" ")}` : ""} failed`;	const message = state.timedOut		? `${fallback}: timed out (aborted)`		: state.aborted			? `${fallback}: aborted`			: redact(details.message || fallback);	return new SubprocessError({		message,		command,		args,		stdout: redact(details.stdout),		stderr: redact(details.stderr),		...(details.exitCode === undefined ? {} : { exitCode: details.exitCode }),		...(details.signal === undefined ? {} : { signal: details.signal }),		...(details.code === undefined ? {} : { code: details.code }),		causeWasError: cause instanceof Error,		timedOut: state.timedOut,		aborted: state.aborted,	});} function validatedTimeout(options: SubprocessOptions) {	if (options.timeoutMs === undefined) return undefined;	if (!Number.isFinite(options.timeoutMs) || options.timeoutMs < 0) {		throw new TypeError("timeoutMs must be a finite non-negative number");	}	return options.timeoutMs;} export function runSubprocessEffect(	options: SubprocessOptions,): Effect.Effect<SubprocessResult, SubprocessError | TypeError> {	return Effect.suspend(() => {		let timeoutMs: number | undefined;		try {			timeoutMs = validatedTimeout(options);		} catch (error) {			return Effect.fail(error as TypeError);		}		return Effect.async<SubprocessResult, SubprocessError>((resume) => {			const args = options.args ?? [];			const acceptedExitCodes = new Set(options.acceptedExitCodes ?? [0]);			const controller =				timeoutMs !== undefined || options.signal					? new AbortController()					: undefined;			let timedOut = false;			let aborted = Boolean(options.signal?.aborted);			let settled = false;			let timer: NodeJS.Timeout | undefined;			const onAbort = () => {				aborted = true;				controller?.abort();			};			const cleanup = () => {				if (timer) clearTimeout(timer);				options.signal?.removeEventListener("abort", onAbort);			};			const finish = (				exit: Effect.Effect<SubprocessResult, SubprocessError>,			) => {				if (settled) return;				settled = true;				cleanup();				resume(exit);			}; 			if (aborted || timeoutMs === 0) {				timedOut = !aborted;				finish(					Effect.fail(						subprocessError(options, new Error("aborted"), {							timedOut,							aborted,						}),					),				);				return Effect.void;			} 			options.signal?.addEventListener("abort", onAbort, { once: true });			if (timeoutMs !== undefined) {				timer = setTimeout(() => {					timedOut = true;					controller?.abort();				}, timeoutMs);			}			const execOptions = {				...(options.cwd ? { cwd: options.cwd } : {}),				...(options.env ? { env: options.env } : {}),				...(options.maxBufferBytes === undefined					? {}					: { maxBuffer: options.maxBufferBytes }),				...(options.killSignal === undefined					? {}					: { killSignal: options.killSignal }),				...(controller ? { signal: controller.signal } : {}),			};			const hasExecOptions = Object.keys(execOptions).length > 0;			let pending: ReturnType<typeof execFileAsync>;			try {				pending = hasExecOptions					? execFileAsync(options.command, args, execOptions)					: execFileAsync(options.command, args);			} catch (cause) {				finish(					Effect.fail(subprocessError(options, cause, { timedOut, aborted })),				);				return Effect.void;			}			void pending.then(				(value) => {					const output = resultOutput(value);					finish(						Effect.succeed({ ...output, exitCode: 0 } as SubprocessResult),					);				},				(cause: unknown) => {					const details = failureDetails(cause);					if (						details.exitCode !== undefined &&						acceptedExitCodes.has(details.exitCode)					) {						finish(							Effect.succeed({								stdout: details.stdout,								stderr: details.stderr,								exitCode: details.exitCode,								...(details.signal ? { signal: details.signal } : {}),							}),						);						return;					}					finish(						Effect.fail(subprocessError(options, cause, { timedOut, aborted })),					);				},			);			return Effect.sync(() => {				cleanup();				if (!settled) {					settled = true;					controller?.abort();					pending.child?.kill(options.killSignal);				}			});		});	});} export function runSubprocess(options: SubprocessOptions) {	return runEffectPromise(runSubprocessEffect(options));}