Directive Composition | Angular 15 Feature

Angular 15 introduces a powerful new feature called Directive Composition. This feature allows developers to compose multiple directives together to create complex and reusable UI components.

How it works

Directive Composition works by allowing developers to apply multiple directives to the same HTML element. This means that instead of creating a new directive for every combination of functionality, developers can compose existing directives to achieve the desired behavior.

Benefits

Directive Composition has several benefits. First, it promotes reusability by allowing developers to create and reuse complex UI components without having to write new code. This can lead to a more maintainable and scalable codebase. Second, it encourages a more modular and composable approach to building UI components, which can lead to more flexible and customizable solutions.

Example

Here’s an example of Directive Composition in action:

    
      <button appButton appTooltip="Click me">Submit</button>
    
  

In this example, the button element is composed of two directives: appButton and appTooltip. The appButton directive provides button styling while the appTooltip directive adds a tooltip functionality when the button is hovered over. This allows developers to create a reusable button component with tooltip functionality without writing a new directive.

Conclusion

Directive Composition is a powerful new feature in Angular 15 that promotes reusability, modularity, and composability. It allows developers to create complex and reusable UI components by composing multiple directives together. This feature is sure to simplify and streamline the development of UI components in Angular applications.