Real-World Svelte

8

Context versus Stores

A Svelte application can be composed of one or many Svelte components. A Svelte component can be seen as a standalone unit, encapsulating its own reactive data and logic. In the previous chapter, we learned how two Svelte components – in particular, components in a parent and child relationship – communicate and pass data between each other. In this chapter, however, we are going to explore communication and passing data between components beyond the parent and child relationship.

Svelte provides two primitives to pass data across Svelte components – Svelte context and Svelte stores. Svelte context allows you to pass data from an ancestor to all children, while Svelte stores use the observer pattern to allow you to access ...