visningskomponent

A visningskomponent, translated as a display component, is a user interface element responsible for presenting data to the user. It focuses on rendering and presenting information, rather than performing business logic or data retrieval.

In software architecture, display components are typically part of the view layer and are designed to be reusable and composable. They receive data and configuration through inputs and render content accordingly. They may also handle user interactions such as clicks or gestures by emitting events or callbacks to controllers or view models.

Key characteristics include separation of concerns (presentation vs. data access), presentation-state management, and support for accessibility and responsive layouts. They should be deterministic given their inputs and easy to test in isolation. They often strive to be stateless or manage only UI-related state, keeping business logic elsewhere.

Examples include a product card in an online store, a list item in a contact list, or a chart panel. In modern frameworks, a visningskomponent is often implemented as a function or class that takes inputs and returns a rendered structure. It may rely on a view model or data store but should not contain business rules.

Related concepts include the view in MVC, the View in MVVM, and components in design systems. The term emphasizes the visual presentation role within UI architecture and its importance for modularity, reusability, and consistent user experience.