react-native-vision-camera/src/hooks/useCameraDevice.ts

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2021-02-20 09:05:02 -07:00
import { useEffect, useState } from 'react';
import { Camera } from '../Camera';
import { CameraDevice, LogicalCameraDeviceType, parsePhysicalDeviceTypes, PhysicalCameraDeviceType } from '../CameraDevice';
export const useCameraDevice = (deviceType: PhysicalCameraDeviceType | LogicalCameraDeviceType): CameraDevice | undefined => {
const [device, setDevice] = useState<CameraDevice>();
useEffect(() => {
const loadDevice = async (): Promise<void> => {
const devices = await Camera.getAvailableCameraDevices();
const bestMatch = devices.find((d) => {
const parsedType = parsePhysicalDeviceTypes(d.devices);
return parsedType === deviceType;
});
setDevice(bestMatch);
};
loadDevice();
}, [deviceType]);
return device;
};