react-native-google-cast/lib/module/api/useCastDevice.js

React Native wrapper for the Google Cast SDK for iOS and Android

import { useEffect, useState } from 'react';
import useCastSession from './useCastSession';

/**
 * Hook that provides the currently connected {@link Device}.
 *
 * @returns current device, or `null` if there's no session connected
 * @example
 * ```js
 * import { useCastDevice } from 'react-native-google-cast'
 *
 * function MyComponent() {
 *   const castDevice = useCastDevice()
 *
 *   if (castDevice) {
 *     console.log(castDevice)
 *   }
 * }
 * ```
 */

export default function useCastDevice(options) {
  const [device, setDevice] = useState(null);
  const session = useCastSession(options);
  useEffect(() => {
    if (!session) setDevice(null);else session.getCastDevice().then(setDevice);
  }, [session]);
  return device;
}
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