Get Started
VueUse is a collection of utility functions based on Composition API. We assume you are already familiar with the basic ideas of Composition API before you continue.
Installation
🎩 From v4.0, it works for Vue 2 & 3 within a single package by the power of vue-demi!
npm i @vueuse/core
npm i @vueuse/core
From v6.0, VueUse requires
vue>= v3.2 or@vue/composition-api>= v1.1
Demos
CDN
<script src="https://unpkg.com/@vueuse/shared"></script>
<script src="https://unpkg.com/@vueuse/core"></script>
<script src="https://unpkg.com/@vueuse/shared"></script>
<script src="https://unpkg.com/@vueuse/core"></script>
It will be exposed to global as window.VueUse
Nuxt
From v7.2.0, we shipped a Nuxt module to enable auto importing for Nuxt 3 and Nuxt Bridge.
npm i -D @vueuse/nuxt
npm i -D @vueuse/nuxt
// nuxt.config.js
export default {
  buildModules: [
    '@vueuse/nuxt'
  ]
}
// nuxt.config.js
export default {
  buildModules: [
    '@vueuse/nuxt'
  ]
}
And then use VueUse function anywhere in your Nuxt app. For example:
<script setup lang="ts">
const { x, y } = useMouse()
</script>
<template>
  <div>pos: {{x}}, {{y}}</div>
</template>
<script setup lang="ts">
const { x, y } = useMouse()
</script>
<template>
  <div>pos: {{x}}, {{y}}</div>
</template>
Usage Example
Simply importing the functions you need from @vueuse/core
import { useMouse, usePreferredDark, useLocalStorage } 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 }
  }
}
import { useMouse, usePreferredDark, useLocalStorage } 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 for more details.