fix: "Enum not found" (#9)

* Add refrigerator support

* Add method getDevice

* Add dishwasher

* Refactoring

* Add dryer

* Add washer

* Fixed import paths in devices/ac

* Fix Celsius to Fahrenheit convertion table

* Fixed swing mode so they are mapped to the right enum.

* Add the ACDevice to the client loader

* Small fix

* Update ac.ts

* Update client.ts

* All parameters to lowercase

* Add multi language support

* Fix for comments

* Add localization support

* Update README.md

* Add tslint

* Refactoring

* Some fixes for tslint

* Add devices to export

* Fix "[DEP0091] DeprecationWarning: crypto.DEFAULT_ENCODING is deprecated." (nodejs/node#23203)

* Add more options for RefrigeratorDevice

* Small fix for washer

* Add parameter --token into cli

* Add method setOn

* Add OnOffEnum

* Update README.md

* Fix for lookupReference
Add more device types

* Fix for lookupEnum

Co-authored-by: Tom Green <tomgreen981111@yahoo.com>

lib/utils.ts

@@ -26,6 +26,9 @@ export function asTime(hoursKey: string, minutesKey: string, data: any) {
  * @returns The enum value.
  */
 export function lookupEnum(attr: string, data: any, device: Device) {
+  if (!(attr in data)) {
+    return null;
+  }
   return device.model.enumName(attr, data[attr]);
 }