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Update useCameraDevice.ts

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This commit is contained in:
Marc Rousavy 2021-02-20 23:23:38 +01:00
parent 04fd5bb069
commit 93ec6a49b0
1 changed files with 9 additions and 9 deletions
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18
src/hooks/useCameraDevice.ts
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@ -7,10 +7,10 @@ import { CameraDevice, LogicalCameraDeviceType, parsePhysicalDeviceTypes, Physic
/** /**
* Gets the best available `CameraDevice`. Devices with more cameras are preferred. * Gets the best available `CameraDevice`. Devices with more cameras are preferred.
* *
* @returns A `CameraDevice` for the requested device type. * @returns The best matching `CameraDevice`.
* @throws `CameraRuntimeError` if no device was found. * @throws `CameraRuntimeError` if no device was found.
* @example * @example
* const device = useCameraDevice('wide-angle-camera') * const device = useCameraDevice()
* // ... * // ...
* return <Camera device={device} /> * return <Camera device={device} />
*/ */
@ -19,8 +19,8 @@ export function useCameraDevice(): CameraDevice;
/** /**
* Gets a `CameraDevice` for the requested device type. * Gets a `CameraDevice` for the requested device type.
* *
* @returns A `CameraDevice` for the requested device type, or `undefined` if no matching device was found * @returns A `CameraDevice` for the requested device type.
* * @throws `CameraRuntimeError` if no device was found.
* @example * @example
* const device = useCameraDevice('wide-angle-camera') * const device = useCameraDevice('wide-angle-camera')
* // ... * // ...
@ -38,20 +38,20 @@ export function useCameraDevice(deviceType?: PhysicalCameraDeviceType | LogicalC
const devices = await Camera.getAvailableCameraDevices(); const devices = await Camera.getAvailableCameraDevices();
if (!isMounted) return; if (!isMounted) return;
let bestMatch: CameraDevice | undefined;
if (deviceType == null) { if (deviceType == null) {
// use any device // use any device
const sorted = devices.sort(sortDevices); const sorted = devices.sort(sortDevices);
const bestMatch = sorted[0]; bestMatch = sorted[0];
if (bestMatch == null) throw new CameraRuntimeError('device/no-device', 'No Camera device was found!');
setDevice(bestMatch);
} else { } else {
// use specified device (type) // use specified device (type)
const bestMatch = devices.find((d) => { bestMatch = devices.find((d) => {
const parsedType = parsePhysicalDeviceTypes(d.devices); const parsedType = parsePhysicalDeviceTypes(d.devices);
return parsedType === deviceType; return parsedType === deviceType;
}); });
setDevice(bestMatch);
} }
if (bestMatch == null) throw new CameraRuntimeError('device/no-device', 'No Camera device was found!');
setDevice(bestMatch);
}; };
loadDevice(); loadDevice();