useImage
在浏览器中响应式加载图片，你可以等待结果显示它或显示后备。
¥Reactive load an image in the browser, you can wait the result to display it or show a fallback.
示例
用法
¥Usage
vue
<script setup>
import { useImage } from '@vueuse/core'
const avatarUrl = 'https://place.dog/300/200'
const { isLoading } = useImage({ src: avatarUrl })
</script>
<template>
<span v-if="isLoading">Loading</span>
<img v-else :src="avatarUrl">
</template>组件用法
¥Component Usage
vue
<template>
<UseImage src="https://place.dog/300/200">
<template #loading>
Loading..
</template>
<template #error>
Failed
</template>
</UseImage>
</template>类型声明
显示类型声明
typescript
export interface UseImageOptions {
/** Address of the resource */
src: string
/** Images to use in different situations, e.g., high-resolution displays, small monitors, etc. */
srcset?: string
/** Image sizes for different page layouts */
sizes?: string
/** Image alternative information */
alt?: string
/** Image classes */
class?: string
/** Image loading */
loading?: HTMLImageElement["loading"]
/** Image CORS settings */
crossorigin?: string
/** Referrer policy for fetch https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referrer-Policy */
referrerPolicy?: HTMLImageElement["referrerPolicy"]
/** Image width */
width?: HTMLImageElement["width"]
/** Image height */
height?: HTMLImageElement["height"]
/** https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img#decoding */
decoding?: HTMLImageElement["decoding"]
/** Provides a hint of the relative priority to use when fetching the image */
fetchPriority?: HTMLImageElement["fetchPriority"]
/** Provides a hint of the importance of the image */
ismap?: HTMLImageElement["isMap"]
/** The partial URL (starting with #) of an image map associated with the element */
usemap?: HTMLImageElement["useMap"]
}
/**
* Reactive load an image in the browser, you can wait the result to display it or show a fallback.
*
* @see https://vueuse.org/useImage
* @param options Image attributes, as used in the <img> tag
* @param asyncStateOptions
*/
export declare function useImage<Shallow extends true>(
options: MaybeRefOrGetter<UseImageOptions>,
asyncStateOptions?: UseAsyncStateOptions<Shallow>,
): UseAsyncStateReturn<HTMLImageElement | undefined, any[], true>
export type UseImageReturn = ReturnType<typeof useImage>