Please, find a complete example of folder structure for your domain. In brackets, you've the names that you have to fill with the concept wrapped.
package.json
/src
/config
/logger
/common (Shared Entities and ValueObjects only)
/[context]
factory.js
[context]Entity.js
[context]ValueObject.js
/[context2]
factory.js
[context2]ValueObject.js
/[feature]
/UseCases
factory.js
[Action][Feature]UseCase.js
/Entities
factory.js
[Entity]Entity.js
/ValueObjects
factory.js
[ValueObject][Context]ValueObject.js
/Repositories
factory.js
[Context]Repository.js // interface for all repositories
[Repository][Context]Repository.js
/Services
factory.js
[Action][Context]Service.js
/Mappers
factory.js
[InputDomainObject]to[OutputDomainObject][Context]Mapper.js
[InputResponseRepository][MethodRepository]to[OutputDomainObject][Context]Mapper.js
/test
/fixtures
/[feature]
[Action][Feature]UseCaseSpec.js
[Entity]EntitySpec.js
[ValueObject]ValueObjectSpec.js
In case you're wondering, we've prepared a real example in order to guide you on a correct usage of the folder structure.
package.json
/src
/config
/logger
/common
/avatar
factory.js
AvatarValueObject.js
/user
/UseCases
factory.js
CreateUserUseCase.js
/Entities
factory.js
UserEntity.js
/ValueObjects
factory.js
AgeUserValueObject.js
CreateUserParamsValueObject.js
ListOfUsersValueObject.js
/Repositories
factory.js
UserRepository.js
HTTPUserRepository.js
/Services
factory.js
CreateUserService.js
/Mappers
factory.js
UserEntityToUserEntityWithUrlProfileUserMapper.js
HTTPUserRepositoryGetUserResponseToUserEntityMapper.js
/test
/user
CreateUserUseCaseSpec.js
UserEntitySpec.js
AgeUserValueObjectSpec.js
CreateUserParamsValueObjectSpec.js
ListOfUsersValueObjectSpec.js