Implementing providers for business logic
Picture a bustling kitchen in a grand mansion. While the controllers are the door attendants who greet the guests, providers are the skilled chefs behind the scenes, meticulously preparing every dish with finesse and expertise. In the context of our NestJS mansion, providers encapsulate the core business logic, ensuring our app not only looks good on the outside but also functions seamlessly on the inside. Ready to don your chef’s hat and whip up some stellar business logic? Let’s dive in!
What is a provider in NestJS?
At its core, a provider in NestJS is a class that acts as a source of something—whether it’s how to obtain data, run specific tasks, or perform any other action that’s integral to your application. Decorated with the @Injectable() decorator, providers are cornerstones of NestJS’s powerful dependency injection system.
Crafting your first provider
The birth of a provider in...
