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useObjectUrl

Reactive URL representing an object.

Creates an URL for the provided File, Blob, or MediaSource via URL.createObjectURL() and automatically releases the URL via URL.revokeObjectURL() when the source changes or the component is unmounted.

Usage

<script setup>
import { useObjectUrl } from '@vueuse/core'
import { shallowRef } from 'vue'

const file = shallowRef()
const url = useObjectUrl(file)

const onFileChange = (e) => {
  file.value = event.target.files[0]
}
</script>

<template>
  <input type="file" @change="onFileChange" />

  <a :href="url">Open file</a>
</template>

Component Usage

<template>
  <UseObjectUrl v-slot="url" :object="file">
    <a :href="url">Open file</a>
  </UseObjectUrl>
</template>