Angular's DI container is incredibly powerful, allowing developers to mock services during testing and override implementations dynamically. This flexibility makes hiring a dedicated freelancer a great Angular development company alternative for startups.
Understanding useClass
The `useClass` provider lets you specify a different implementation class for a token. This is ideal for swapping mock services with live integrations depending on environment flags:
The `useFactory` provider is used when you need to construct a dependency dynamically based on runtime parameters. It accepts an array of dependencies to inject into the factory function.
