src/command.ts

import { execFile } from 'node:child_process';
import { promisify } from 'node:util';

const execFileAsync = promisify(execFile);

export async function runCommand(command: string, args: string[], cwd?: string) {
  try {
    const result = await execFileAsync(command, args, {
      cwd,
      maxBuffer: 1024 * 1024 * 8,
      env: process.env,
    });
    return { stdout: result.stdout.trim(), stderr: result.stderr.trim() };
  } catch (error) {
    const failure = error as { stdout?: string; stderr?: string; message?: string };
    const details = (failure.stderr || failure.stdout || failure.message || 'command_failed').trim();
    throw new Error(`${command}_failed:${details}`);
  }
}

export async function runJsonCommand<T>(command: string, args: string[], cwd?: string): Promise<T> {
  const result = await runCommand(command, args, cwd);
  return JSON.parse(result.stdout) as T;
}