Collection of essential Vue Composition Utilities
## ð Features
- ðŠ [**Interactive docs & demos**](https://vueuse.org)
- ðķ **Seamless migration**: Works for **both** Vue 3 and 2
- ⥠**Fully tree shakeable**: Only take what you want, [bundle size](https://vueuse.org/export-size)
- ðĶū **Type Strong**: Written in [TypeScript](https://www.typescriptlang.org/), with [TS Docs](https://github.com/microsoft/tsdoc)
- ð **SSR Friendly**
- ð **No bundler required**: Usable via CDN
- ðĐ **Flexible**: Configurable event filters and targets
- ð **Optional [Add-ons](https://vueuse.org/add-ons)**: Router, Firebase, RxJS, etc.
## ðĶ Usage
```ts
import { useLocalStorage, useMouse, usePreferredDark } from '@vueuse/core'
export default {
setup() {
// tracks mouse position
const { x, y } = useMouse()
// is user prefers dark theme
const isDark = usePreferredDark()
// persist state in localStorage
const store = useLocalStorage(
'my-storage',
{
name: 'Apple',
color: 'red',
},
)
return { x, y, isDark, store }
},
}
```
Refer to [functions list](https://vueuse.org/functions) or [documentations](https://vueuse.org/) for more details.
## ðĶ Install
> ðĐ From v4.0, it works for Vue 2 & 3 **within a single package** by the power of [vue-demi](https://github.com/vueuse/vue-demi)!
```bash
npm i @vueuse/core
```
[Add ons](https://vueuse.org/add-ons.html) | [Nuxt Module](https://vueuse.org/guide/index.html#nuxt)
> From v6.0, VueUse requires `vue` >= v3.2 or `@vue/composition-api` >= v1.1
###### Demos
- [Vite + Vue 3](https://github.com/vueuse/vueuse-vite-starter)
- [Nuxt 3 + Vue 3](https://github.com/antfu/vitesse-nuxt3)
- [Webpack + Vue 3](https://github.com/vueuse/vueuse-vue3-example)
- [Nuxt 2 + Vue 2](https://github.com/antfu/vitesse-nuxt-bridge)
- [Vue CLI + Vue 2](https://github.com/vueuse/vueuse-vue2-example)
### CDN
```html
```
It will be exposed to global as `window.VueUse`
## ðŠī Project Activity
## ð§ą Contribute
See the [**Contributing Guide**](https://vueuse.org/contributing)
## ðļ Thanks
This project is heavily inspired by the following awesome projects.
- [streamich/react-use](https://github.com/streamich/react-use)
- [u3u/vue-hooks](https://github.com/u3u/vue-hooks)
- [logaretm/vue-use-web](https://github.com/logaretm/vue-use-web)
- [kripod/react-hooks](https://github.com/kripod/react-hooks)
And thanks to [all the contributors on GitHub](https://github.com/vueuse/vueuse/graphs/contributors)!
## ðĻâð Contributors
### Financial Contributors on Open Collective
## ð License
[MIT License](https://github.com/vueuse/vueuse/blob/main/LICENSE) ÂĐ 2019-PRESENT [Anthony Fu](https://github.com/antfu)