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agent-skills/skills/vueuse-functions/references/useRTDB.md
Jason Woltje f5792c40be feat: Complete fleet — 94 skills across 10+ domains
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-16 16:27:42 -06:00

1.5 KiB

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@Firebase

useRTDB

Reactive Firebase Realtime Database binding. Making it straightforward to always keep your local data in sync with remotes databases.

Usage

import { useRTDB } from '@vueuse/firebase/useRTDB'
import { initializeApp } from 'firebase/app'
import { getDatabase } from 'firebase/database'

const app = initializeApp({ /* config */ })
const db = getDatabase(app)

// in setup()
const todos = useRTDB(db.ref('todos'))

You can reuse the db reference by passing autoDispose: false

const todos = useRTDB(db.ref('todos'), { autoDispose: false })

or use createGlobalState from the core package

// @filename: store.ts
// ---cut---
// store.ts
import { createGlobalState } from '@vueuse/core'
import { useRTDB } from '@vueuse/firebase/useRTDB'

export const useTodos = createGlobalState(
  () => useRTDB(db.ref('todos')),
)
<!-- app.vue -->
<script setup lang="ts">
// @include: store
// ---cut---
import { useTodos } from './store'

const todos = useTodos()
</script>

Type Declarations

export interface UseRTDBOptions {
  errorHandler?: (err: Error) => void
  autoDispose?: boolean
}
/**
 * Reactive Firebase Realtime Database binding.
 *
 * @see https://vueuse.org/useRTDB
 */
export declare function useRTDB<T = any>(
  docRef: DatabaseReference,
  options?: UseRTDBOptions,
): Ref<T | undefined, T | undefined>