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>
45 lines
1.2 KiB
Markdown
45 lines
1.2 KiB
Markdown
---
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category: Sensors
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---
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# useDevicePixelRatio
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Reactively track [`window.devicePixelRatio`](https://developer.mozilla.org/docs/Web/API/Window/devicePixelRatio)
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> NOTE: there is no event listener for `window.devicePixelRatio` change. So this function uses [`Testing media queries programmatically (window.matchMedia)`](https://developer.mozilla.org/en-US/docs/Web/CSS/Media_Queries/Testing_media_queries) applying the same mechanism as described in [this example](https://developer.mozilla.org/en-US/docs/Web/API/Window/devicePixelRatio#monitoring_screen_resolution_or_zoom_level_changes).
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## Usage
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```ts
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import { useDevicePixelRatio } from '@vueuse/core'
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const { pixelRatio } = useDevicePixelRatio()
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```
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## Component Usage
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```vue
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<template>
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<UseDevicePixelRatio v-slot="{ pixelRatio }">
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Pixel Ratio: {{ pixelRatio }}
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</UseDevicePixelRatio>
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</template>
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```
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## Type Declarations
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```ts
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/**
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* Reactively track `window.devicePixelRatio`.
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*
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* @see https://vueuse.org/useDevicePixelRatio
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*
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* @__NO_SIDE_EFFECTS__
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*/
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export declare function useDevicePixelRatio(options?: ConfigurableWindow): {
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pixelRatio: Readonly<Ref<number, number>>
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stop: WatchStopHandle
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}
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export type UseDevicePixelRatioReturn = ReturnType<typeof useDevicePixelRatio>
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```
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