https://github.com/sindresorhus/execa/issues/484

exec.mjs

import { execaCommandSync } from 'execa'

/** @type {(cmdString: string, debug?: 'debug') => [string | undefined, string | unknown]} */
export const exec = (cmdString, debug) => {
  let exception
  let result
  try {
    result = execaCommandSync(cmdString, {
      env: {
        // @ts-expect-error - not application code
        ...process.env,
        FORCE_COLOR: 'true',
      },
    })
  } catch (e) {
    exception = e
  }
  if (debug === 'debug') {
    console.log(result)
    console.log(exception)
  }
  return [
    result?.stdout,
    // If falsey, provide exception. If no exception, give falsey value.
    result?.stderr || exception || result?.stderr,
  ]
}