Execute Shell command in Node

executeCommand.ts

import { exec, execFile } from 'child_process';

function executeCommand(command: string): Promise<string> {
  return new Promise((resolve, reject) => {
    exec(command, (error, stdout) => {
      if (error) {
        return reject(error);
      }
      return resolve(stdout);
    });
  });
}

async function executeCommandWithPath(command: string, shellPath?: string): Promise<string> {
  const defaultShell = shellPath || process.env.SHELL || await executeCommand('echo $SHELL');
  return new Promise((resolve, reject) => {
    execFile(defaultShell, ['-i', '-l', '-c', command], (error, stdout, stderr) => {
      if (error || stderr) {
        // Warning - this promise does not throw error
        console.error(error + stderr);
      }
      return resolve(stdout);
    });
  });
}