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SDKs

cStar provides official SDKs for JavaScript, React, and Svelte. Each SDK builds on the core client and adds framework-idiomatic patterns — hooks for React, rune classes for Svelte.

JS
@cstar.help/js Core JavaScript Client

The foundation. Works in Node.js, Deno, Bun, and browsers. Full TypeScript support, tree-shakeable, zero dependencies beyond fetch.

CRUD operations Real-time subscriptions TypeScript
Re
@cstar.help/react React Hooks

React hooks wrapping the JS client. Automatic loading states, error handling, and refetching. Works with Next.js, Remix, and Vite.

useTickets / useCustomers Context provider SSR-safe
Sv
@cstar.help/svelte Svelte 5 Rune Classes

Svelte 5 rune classes using $state and $derived. Reactive data fetching, automatic subscriptions, and SvelteKit integration.

Tickets / Customers runes Context API SvelteKit-ready

Quick Comparison

JS React Svelte
Install size ~12 KB ~18 KB ~15 KB
TypeScript Full Full Full
Loading states Manual Automatic Automatic
Real-time subscribe() useSubscription() subscribe()
SSR support Yes Yes Yes
Tests 102 34 32

Installation

# Core client (use this if you don't need framework bindings)
			npm install @cstar.help/js
			
			# React hooks + core client
			npm install @cstar.help/react
			
			# Svelte rune classes + core client
			npm install @cstar.help/svelte