Function isEventEmitterCompatible

lib/utilities/will-interrupt-process.js:197–207

(obj)

}

function isEventEmitterCompatible(obj) {
  return (
    Boolean(obj) &&
    typeof obj === 'object' &&
    typeof obj.on === 'function' &&
    typeof obj.emit === 'function' &&
    typeof obj.removeListener === 'function' &&
    typeof obj.setMaxListeners === 'function' &&
    typeof obj.exit === 'function'
  );
}