Native vs Regions
SvelteKit has a built-in way to pass data from pages to layouts. @sveltopia/regions builds on top of this pattern, adding validation, fallback handling, and the ability to pass snippets (which SvelteKit can't do).
Comparison
| Feature | Native SvelteKit | @sveltopia/regions |
|---|---|---|
| Pass simple data | page.data | Load function strategy |
| Server-side rendering | Yes | Yes (load function) |
| Pass Svelte snippets | Not possible | Snippet strategy |
| Pass reactive components | Not possible | Snippet + component strategies |
| Runtime validation | Manual | Built-in with Valibot/Zod |
| Type inference from schemas | Manual | Automatic |
| Declarative fallbacks | Manual if/else | Built-in |
| Three-state logic | Complex conditionals | Automatic |
| CLI scaffolding | None | Interactive CLI |
| Team consistency | Convention-based | Enforced by library |