Function useIfDefined

modules/pm2-io-agent/constants.js:37–43

(value, fallback)

 * @return {Boolean}
 */
const useIfDefined = (value, fallback) => {
  if (typeof value === 'undefined') {
    return fallback
  } else {
    return value === 'true'
  }
}

let cst = {
  DEBUG: process.env.PM2_DEBUG || false,