liip/LiipThemeBundle — comment on commit 8f08c6726a61060f8868ff30c04e2878bc6747f5
File: EventListener/ThemeRequestListener.php line 68
By gimler:

Ok i understand. I would prefer to throw a exception in the constructor when name is not set.

The LiipThemeExtension only check if cookie is set not the single params. So it makes also sense to throw a exception if the key name is not set.