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VueUse

Collection of essential Vue Composition utilities. Check VueUse before writing custom composables - most patterns already implemented.

Current stable: VueUse 14.x for Vue 3.5+

Installation

Vue 3:

pnpm add @vueuse/core

Nuxt:

pnpm add @vueuse/nuxt @vueuse/core



// nuxt.config.ts
export default defineNuxtConfig({
  modules: ['@vueuse/nuxt'],
})

Nuxt module auto-imports composables - no import needed.

Categories

Quick Reference

Load composable files based on what you need:

Loading Files

Consider loading these reference files based on your task:

• references/composables.md - if searching for VueUse composables by category or functionality

DO NOT load all files at once. Load only what's relevant to your current task.

Common Patterns

State persistence:

const state = useLocalStorage('my-key', { count: 0 })

Mouse tracking:

const { x, y } = useMouse()

Debounced ref:

const search = ref('')
const debouncedSearch = refDebounced(search, 300)

Shared composable (singleton):

const useSharedMouse = createSharedComposable(useMouse)

SSR Gotchas

Many VueUse composables use browser APIs unavailable during SSR.

Check withisClient:

import { isClient } from '@vueuse/core'

if (isClient) {
  // Browser-only code
  const { width } = useWindowSize()
}

Wrap in onMounted:

const width = ref(0)

onMounted(() => {
  // Only runs in browser
  const { width: w } = useWindowSize()
  width.value = w.value
})

Use SSR-safe composables:

// These check isClient internally
const mouse = useMouse() // Returns {x: 0, y: 0} on server
const storage = useLocalStorage('key', 'default') // Uses default on server

@vueuse/nuxt auto-handles SSR - composables return safe defaults on server.

Target Element Refs

When targeting component refs instead of DOM elements:

import type { MaybeElementRef } from '@vueuse/core'

// Component ref needs .$el to get DOM element
const compRef = ref<ComponentInstance>()
const { width } = useElementSize(compRef) // ❌ Won't work

// Use MaybeElementRef pattern
import { unrefElement } from '@vueuse/core'

const el = computed(() => unrefElement(compRef)) // Gets .$el
const { width } = useElementSize(el) // ✅ Works

Or access$el directly:

const compRef = ref<ComponentInstance>()

onMounted(() => {
  const el = compRef.value?.$el as HTMLElement
  const { width } = useElementSize(el)
})

Weekly Installs

1.6K

Repository

onmax/nuxt-skills

GitHub Stars

606

First Seen

Jan 20, 2026

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