#state-management

Learn when SvelteKit reruns load functions, how dependency tracking works, and how invalidate(), invalidateAll(), depends(), and untrack() keep data fresh.

A guide to the SvelteKit page object: every property it exposes and how it stays reactive during navigation.

Master Svelte 5's $derived rune for computed values. Learn $derived vs $derived.by, dependency tracking, and memoization patterns.

Master Svelte 5's $state rune for reactive state management. Learn deep reactivity, proxy mechanics, and common pitfalls.

Intro to Svelte 5 reactivity and runes: how reactive programming works, why it matters, and the runes powering modern Svelte apps.

Master advanced $props patterns in Svelte 5: rest props, $bindable, generics, TypeScript, and robust component architecture.

Learn when to use $state, context, and module-level state, plus how to build performant reactive stores with $state.raw in Svelte 5.

Build a production-grade shopping cart with Svelte 5 context, featuring reactive state, persistence, scoped isolation, and multiple independent contexts.

Learn the difference between read-only and read-write context, how to pass actions instead of raw state, and design stable, maintainable context APIs.

Master TypeScript classes with Svelte 5 runes for encapsulated, type-safe context, including private fields and lifecycle management.