Generating Angular directives enables you to create reusable DOM manipulation logic and custom behavior that can be applied across your application. As the creator of CoreUI, a widely used open-source UI library, I’ve generated hundreds of Angular directives for tooltip behavior, input validation, and custom styling logic across enterprise applications. From my expertise, the most efficient approach is to use Angular CLI’s generate directive command. This method creates the proper directive structure with dependency injection and testing files while following Angular best practices.