VueUse中文文档useDevicesList
列出可用的输入输出设备的响应式列表
Reactive enumerateDevices listing available input/output devices.
例子
Camera (0)
Microphones (0)
Speakers (0)
Usage
js
import { useDevicesList } from '@vueuse/core'
const {
devices,
videoInputs: cameras,
audioInputs: microphones,
audioOutputs: speakers,
} = useDevicesList()
import { useDevicesList } from '@vueuse/core'
const {
devices,
videoInputs: cameras,
audioInputs: microphones,
audioOutputs: speakers,
} = useDevicesList()
Component
html
<UseDevicesList v-slot="{ videoInputs, audioInputs, audioOutputs }">
Cameras: {{ videoInputs }}
Microphones: {{ audioInputs }}
Speakers: {{ audioOutputs }}
</UseDevicesList>
<UseDevicesList v-slot="{ videoInputs, audioInputs, audioOutputs }">
Cameras: {{ videoInputs }}
Microphones: {{ audioInputs }}
Speakers: {{ audioOutputs }}
</UseDevicesList>
类型声明(Type Declarations)
显示类型声明
typescript
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: Ref<boolean>
ensurePermissions: () => Promise<boolean>
isSupported: Ref<boolean>
}
/**
* Reactive `enumerateDevices` listing available input/output devices
*
* @see https://vueuse.org/useDevicesList
* @param options
*/
export declare function useDevicesList(
options?: UseDevicesListOptions
): UseDevicesListReturn
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: Ref<boolean>
ensurePermissions: () => Promise<boolean>
isSupported: Ref<boolean>
}
/**
* Reactive `enumerateDevices` listing available input/output devices
*
* @see https://vueuse.org/useDevicesList
* @param options
*/
export declare function useDevicesList(
options?: UseDevicesListOptions
): UseDevicesListReturn