Summary
Throughout this chapter, we have delved into the concept of renderless components in Svelte and explored their various use cases. Understanding renderless components equips you with a new toolset to create reusable components. A renderless component emphasizes reusability by focusing on the core logic, state, and behavior, leaving the visual presentation flexible for customization.
By using slot props, we demonstrated how to build a renderless component that is reusable and gives users control over its appearance, while maintaining the component logic and transforming imperative operations into declarative Svelte components.
We also presented practical examples of transforming imperative operations into declarative Svelte components. We demonstrated how to create <Canvas>
and <Rectangle>
components that draw a rectangle on a canvas, which can change in size dynamically.
In the next chapter, we will explore how Svelte stores and animations can be combined...