description: Tiny, type-safe reactive primitives — signals, effects, computed values, and object stores. Zero dependencies, works everywhere. package: stateit category: state keywords: [reactive, signals, computed, effects, store, observable, fine-grained, watch, batch, scope] related: [craftit, formit, eventit] exports: [signal, computed, effect, watch, batch, store, untrack, scope, writable, derived, isSignal]

@vielzeug/stateit

Tiny, type-safe reactive primitives — signals, effects, computed values, and object stores. Zero dependencies, works everywhere.

Package: @vielzeug/stateit  ·  Category: State

Key exports: signal, computed, effect, watch, batch, store, untrack, scope, writable, derived, isSignal

When to use: Tiny, type-safe reactive primitives — signals, effects, computed values, and object stores. Zero dependencies, works everywhere.

Related: @vielzeug/craftit · @vielzeug/formit · @vielzeug/eventit

@vielzeug/stateit is part of Vielzeug and ships as a zero-dependency TypeScript package with ESM+CJS output.

Installation

pnpm add @vielzeug/stateit
npm install @vielzeug/stateit
yarn add @vielzeug/stateit

Quick Start

import { signal, computed, effect } from '@vielzeug/stateit';

// See the docs links below for complete usage patterns.
void signal;
void computed;
void effect;

Documentation

• Overview
• Usage Guide
• API Reference
• Examples

License

MIT © Helmuth Saatkamp — part of the Vielzeug monorepo.