Overview

SvelteKit-Adapter-Versioned-Worker is a SvelteKit adapter that enables the generation of service workers for SvelteKit sites, allowing them to work offline. This adapter simplifies the process of dealing with caching headers, provides a reload opportunity and resumable state system for seamless updates, and supports various update priorities to avoid unnecessary disruptions for users. It also offers an easy-to-use hooks system for virtual routes and more, and supports different file modes, including stale-while-revalidate and "semi-lazy".

Features

No need to deal with caching headers or durations: The adapter handles caching headers and durations automatically, eliminating the need for manual configuration.
Reload opportunity and resumable state system: Enables more seamless updates by providing a reload opportunity and a resumable state system.
Different update priorities: Supports different update priorities to avoid unnecessarily bothering users during updates.
Easy-to-use hooks system: Provides an easy-to-use hooks system for virtual routes and other features, making it convenient for developers.
Supports multiple file modes: Supports different file modes, including stale-while-revalidate and "semi-lazy", allowing for flexible caching strategies.
Dynamically prefetch data in the worker: Enables dynamic prefetching of data in the worker while the page loads, improving performance.
Update on reload: Automatically updates the service worker on reload, ensuring the latest version is used.
Small worker builds: The worker builds are optimized for size, starting at approximately 4KB brotli'd.

Summary

SvelteKit-Adapter-Versioned-Worker is a useful adapter for SvelteKit sites that enables the generation of service workers, allowing for offline functionality. It simplifies the handling of caching headers, provides seamless updates with a reload opportunity and resumable state system, and supports various update priorities. With an easy-to-use hooks system, support for different file modes, and dynamic data prefetching, this adapter enhances the performance and offline experience of SvelteKit sites. However, it currently requires compatibility with @sveltejs/adapter-static.

Nicoclack

SvelteKit Adapter Versioned Worker