Building presenters for data formatting
Throughout this chapter, we’ve referenced presenters as key components of our Interface Adapters layer. Now we’ll examine them in detail, seeing how they maintain clean architectural boundaries while preparing domain data for external consumption.
Presenters complement our controllers, handling the outbound flow of data just as controllers manage inbound requests. By implementing the humble object pattern, presenters help us create more testable and maintainable systems while keeping our views simple and focused.
Understanding the humble object pattern
The humble object pattern addresses a common challenge in Clean Architecture: how to handle presentation logic, which often resists unit testing, while maintaining clean architectural boundaries.
The term humble object comes from the strategy of making a component as simple and devoid of complex logic as possible. In presentation contexts, this means creating an extremely...
