exec.ts
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exec.ts
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	/* eslint-disable no-console */
	import { spawn } from "child_process";

	export async function exec(
	program: string,
	args: string[]
	): Promise<{ stderr: string; stdout: string; exitCode: number }> {
	return new Promise((resolve, reject) => {
	let stdout = "";
	let stderr = "";
	const process = spawn(program, args);
	process.stdout.on("data", (data: Buffer) => (stdout += data.toString()));
	process.stderr.on("data", (data: Buffer) => (stderr += data.toString()));
	process.on("close", (exitCode) => {
	if (exitCode === 0) {
	resolve({ stdout, stderr, exitCode });
	} else {
	console.error([program, ...args].join(" "));
	console.error(stderr);
	reject({ stdout, stderr, exitCode });
	}
	});
	});
	}