vueuse

Use when working with VueUse composables - track mouse position with useMouse, manage localStorage with useStorage, detect network status with useNetwork, debounce values with refDebounced, and access browser APIs reactively. Check VueUse before writing custom composables - most patterns already implemented.

Quality

92%

Does it follow best practices?

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Pending

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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.

Quick Reference

Load composable files based on what you need:

Working on...	Load file
Finding a composable	references/composables.md
Specific composable	`composables/<name>.md`

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 with isClient:

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)
})

Repository: onmax/nuxt-skills
Commit: 00fb59d

Last updated: 5 days ago
Created: 5 days ago

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Category	Examples
State	useLocalStorage, useSessionStorage, useRefHistory
Elements	useElementSize, useIntersectionObserver, useResizeObserver
Browser	useClipboard, useFullscreen, useMediaQuery
Sensors	useMouse, useKeyboard, useDeviceOrientation
Network	useFetch, useWebSocket, useEventSource
Animation	useTransition, useInterval, useTimeout
Component	useVModel, useVirtualList, useTemplateRefsList
Watch	watchDebounced, watchThrottled, watchOnce
Reactivity	createSharedComposable, toRef, toReactive
Array	useArrayFilter, useArrayMap, useSorted
Time	useDateFormat, useNow, useTimeAgo
Utilities	useDebounce, useThrottle, useMemoize