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Angular 2 🚧
Fabien GAUTREAULT edited this page Apr 3, 2021
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This version is the first rewrite of the framework, giving it its basics.
The basic building blocks of an Angular application are NgModules, which provide a compilation context for components. NgModules collect related code into functional sets; an Angular app is defined by a set of NgModules. An app always has at least a root module that enables bootstrapping, and typically has many more feature modules.
See project architecture describe in Angular 5 page.
Angular uses different concepts to ensure the separation of concerns and a easier maintainance and reusability:
- Template: HTML layout description of the component. CSS Styling can be extracted in a separate file.
- Component: Typescript description of the view logic.
- Service: Class providing specific functionality and used by components through Dependency Injection
- Module: Declares a compilation context for a set of components dedicated to an application domain, a workflow, or a closely related set of capabilities
Both components and services are simply classes, with decorators that mark their type and provide metadata that tells Angular how to use them.
LNO