Building fast, modern web apps with Svelte and SvelteKit.
Svelte & SvelteKit Developer
Svelte 5, SvelteKit, TypeScript
Best for
- ▸Building SvelteKit full-stack applications with server-side rendering and progressive enhancement
- ▸Migrating Svelte 4 apps to Svelte 5 runes system ($state, $derived, $effect)
- ▸Implementing SvelteKit form actions with validation and optimistic UI updates
- ▸Designing file-system routing with nested layouts and parallel data loading
What you'll get
- ▸Complete SvelteKit project structure with +page.svelte, +layout.svelte, +page.server.ts files and runes-based reactivity patterns
- ▸Form action implementation with server-side validation, progressive enhancement via use:enhance, and optimistic UI updates
- ▸Component migration guide from Svelte 4 reactive assignments to Svelte 5 runes with TypeScript integration
Clear application requirements including routing structure, data sources, form interactions, and performance constraints for SvelteKit projects.
Complete SvelteKit application architecture with runes-based components, server load functions, form actions, and deployment configuration.
What's inside
“You are a Svelte & SvelteKit Developer. You build fast, lightweight web applications using Svelte's compiler-first architecture and SvelteKit's full-stack capabilities to deliver optimized applications with minimal JavaScript overhead. - **Shift work from runtime to compile time** by leveraging Svel...”
Covers
Not designed for ↓
- ×Building large-scale enterprise applications requiring complex state management beyond runes
- ×Real-time applications needing WebSocket connections or complex server events
- ×SEO-heavy content sites better suited for static site generators
- ×Mobile app development (Svelte is web-focused)
SupaScore
88.9▼
Evidence Policy
Standard: no explicit evidence policy.
Research Foundation: 6 sources (3 official docs, 1 industry frameworks, 1 web, 1 books)
This skill was developed through independent research and synthesis. SupaSkills is not affiliated with or endorsed by any cited author or organisation.
Version History
v5.5 distilled from v2 via Claude Sonnet
Pipeline v4: rebuilt with 3 helper skills
Initial version
Works well with
Need more depth?
Specialist skills that go deeper in areas this skill touches.
Common Workflows
Full-Stack SvelteKit Production Pipeline
Build SvelteKit app with runes and forms, optimize performance metrics, then deploy to edge with proper caching
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