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1.2 KiB
1.2 KiB
category
| category |
|---|
| Sensors |
useDevicePixelRatio
Reactively track window.devicePixelRatio
NOTE: there is no event listener for
window.devicePixelRatiochange. So this function usesTesting media queries programmatically (window.matchMedia)applying the same mechanism as described in this example.
Usage
import { useDevicePixelRatio } from '@vueuse/core';
const { pixelRatio } = useDevicePixelRatio();
Component Usage
<template>
<UseDevicePixelRatio v-slot="{ pixelRatio }"> Pixel Ratio: {{ pixelRatio }} </UseDevicePixelRatio>
</template>
Type Declarations
/**
* Reactively track `window.devicePixelRatio`.
*
* @see https://vueuse.org/useDevicePixelRatio
*
* @__NO_SIDE_EFFECTS__
*/
export declare function useDevicePixelRatio(options?: ConfigurableWindow): {
pixelRatio: Readonly<Ref<number, number>>;
stop: WatchStopHandle;
};
export type UseDevicePixelRatioReturn = ReturnType<typeof useDevicePixelRatio>;