f5792c40be
Pulled ALL skills from 15 source repositories: - anthropics/skills: 16 (docs, design, MCP, testing) - 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>
63 lines
1.4 KiB
Markdown
63 lines
1.4 KiB
Markdown
---
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category: Elements
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---
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# useMutationObserver
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Watch for changes being made to the DOM tree. [MutationObserver MDN](https://developer.mozilla.org/en-US/docs/Web/API/MutationObserver)
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## Usage
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```vue
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<script setup lang="ts">
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import { useMutationObserver } from '@vueuse/core'
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import { ref, useTemplateRef } from 'vue'
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const el = useTemplateRef('el')
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const messages = ref([])
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useMutationObserver(el, (mutations) => {
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if (mutations[0])
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messages.value.push(mutations[0].attributeName)
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}, {
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attributes: true,
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})
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</script>
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<template>
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<div ref="el">
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Hello VueUse
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</div>
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</template>
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```
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## Type Declarations
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```ts
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export interface UseMutationObserverOptions
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extends MutationObserverInit,
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ConfigurableWindow {}
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/**
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* Watch for changes being made to the DOM tree.
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*
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* @see https://vueuse.org/useMutationObserver
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* @see https://developer.mozilla.org/en-US/docs/Web/API/MutationObserver MutationObserver MDN
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* @param target
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* @param callback
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* @param options
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*/
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export declare function useMutationObserver(
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target:
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| MaybeComputedElementRef
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| MaybeComputedElementRef[]
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| MaybeRefOrGetter<MaybeElement[]>,
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callback: MutationCallback,
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options?: UseMutationObserverOptions,
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): {
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isSupported: ComputedRef<boolean>
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stop: () => void
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takeRecords: () => MutationRecord[] | undefined
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}
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export type UseMutationObserverReturn = ReturnType<typeof useMutationObserver>
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```
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