react-native-vision-camera/lib/hooks/useCameraDevices.js

VisionCamera is the fastest and most powerful Camera for react-native.

import { useSyncExternalStore } from 'react';
import { addOnCameraDevicesChangedListener, getAllCameraDevices, } from '../CameraDevices';
function subscribe(onStoreChange) {
    const listener = addOnCameraDevicesChangedListener(() => onStoreChange());
    return () => listener.remove();
}
function getSnapshot() {
    return getAllCameraDevices();
}
/**
 * Use a list of all {@linkcode CameraDevice}s on this phone.
 *
 * The hook automatically updates with the new devices as
 * devices get added or removed to the phone - e.g. USB Cameras.
 *
 * @see {@linkcode useCameraDevice}
 * @see {@linkcode getCameraDevice}
 * @example
 * ```ts
 * const devices = useCameraDevices()
 * const backDevice = devices.find((d) => d.position === 'back')
 * ```
 */
export function useCameraDevices() {
    return useSyncExternalStore(subscribe, getSnapshot, getSnapshot);
}