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agent-skills/skills/vueuse-functions/references/useNavigatorLanguage.md
Jason Woltje f5792c40be feat: Complete fleet — 94 skills across 10+ domains
Pulled ALL skills from 15 source repositories:
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- obra/superpowers: 14 (TDD, debugging, agents, planning)
- coreyhaines31/marketingskills: 25 (marketing, CRO, SEO, growth)
- better-auth/skills: 5 (auth patterns)
- vercel-labs/agent-skills: 5 (React, design, Vercel)
- antfu/skills: 16 (Vue, Vite, Vitest, pnpm, Turborepo)
- Plus 13 individual skills from various repos

Mosaic Stack is not limited to coding — the Orchestrator and
subagents serve coding, business, design, marketing, writing,
logistics, analysis, and more.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-16 16:27:42 -06:00

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---
category: Sensors
---
# useNavigatorLanguage
Reactive [navigator.language](https://developer.mozilla.org/en-US/docs/Web/API/Navigator/language).
## Usage
```ts
import { useNavigatorLanguage } from '@vueuse/core'
const { language } = useNavigatorLanguage()
watch(language, () => {
// Listen to the value changing
})
```
## Type Declarations
```ts
export interface NavigatorLanguageState {
isSupported: ComputedRef<boolean>
/**
*
* ISO 639-1 standard Language Code
*
* @info The detected user agent language preference as a language tag
* (which is sometimes referred to as a "locale identifier").
* This consists of a 2-3 letter base language tag that indicates a
* language, optionally followed by additional subtags separated by
* '-'. The most common extra information is the country or region
* variant (like 'en-US' or 'fr-CA').
*
*
* @see https://www.iso.org/iso-639-language-codes.html
* @see https://www.loc.gov/standards/iso639-2/php/code_list.php
*
*/
language: ShallowRef<string | undefined>
}
/**
*
* Reactive useNavigatorLanguage
*
* Detects the currently selected user language and returns a reactive language
* @see https://vueuse.org/useNavigatorLanguage
*
* @__NO_SIDE_EFFECTS__
*/
export declare function useNavigatorLanguage(
options?: ConfigurableWindow,
): Readonly<NavigatorLanguageState>
export type UseNavigatorLanguageReturn = ReturnType<typeof useNavigatorLanguage>
```