// @flow

/**
 * Get the value of a command line argument
 *
 * @param {string} name The name of the argument
 * @param {string} shortName The optioanl short name
 *
 * @returns {string} The value of the argument.
 */
export function getArg(name: string, shortName?: string) {
  return process.argv
    .slice(2)
    .filter(
      (arg) =>
        arg.startsWith(`--${name}=`) ||
        (shortName && arg.startsWith(`-${shortName}=`))
    )
    .map((arg) => arg.split("=")[1])
    .join(",");
}