useDevicesList

分类

传感器

导出大小

1.34 kB

上次更改

4 个月前

演示

源代码在线演示 (beta)

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用法

import { useDevicesList
 } from '@vueuse/core'

const {
  devices
,
  videoInputs
: cameras
,
  audioInputs
: microphones
,
  audioOutputs
: speakers
,
} = useDevicesList
()

请求权限

要请求权限，请使用 ensurePermissions 方法。

const {
  ensurePermissions
,
  permissionGranted
,
} = useDevicesList
()

await ensurePermissions
()
console
.log
(permissionsGranted.value)

组件

vue

<template>
  <UseDevicesList v-slot="{ videoInputs
, audioInputs
, audioOutputs
 }">
    Cameras: {{ videoInputs
 }}
    Microphones: {{ audioInputs
 }}
    Speakers: {{ audioOutputs
 }}
  </UseDevicesList>
</template>

类型声明

显示类型声明

export interface UseDevicesListOptions extends ConfigurableNavigator {
  onUpdated
?: (devices
: MediaDeviceInfo[]) => void
  /**
   * Request for permissions immediately if it's not granted,
   * otherwise label and deviceIds could be empty
   *
   * @default false
   */
  requestPermissions
?: boolean
  /**
   * Request for types of media permissions
   *
   * @default { audio: true, video: true }
   */
  constraints
?: MediaStreamConstraints
}
export interface UseDevicesListReturn {
  /**
   * All devices
   */
  devices
: Ref
<MediaDeviceInfo[]>
  videoInputs
: ComputedRef
<MediaDeviceInfo[]>
  audioInputs
: ComputedRef
<MediaDeviceInfo[]>
  audioOutputs
: ComputedRef
<MediaDeviceInfo[]>
  permissionGranted
: ShallowRef
<boolean>
  ensurePermissions
: () => Promise
<boolean>
  isSupported
: ComputedRef
<boolean>
}
/**
 * Reactive `enumerateDevices` listing available input/output devices
 *
 * @see https://vueuse.org.cn/useDevicesList
 * @param options
 */
export declare function useDevicesList
(
  options
?: UseDevicesListOptions,
): UseDevicesListReturn