@theoplayer/react-native-ui/lib/module/ui/hooks/useDuration.js

A React Native UI for @theoplayer/react-native

import { useCallback, useContext, useSyncExternalStore } from 'react';
import { PlayerContext } from '@theoplayer/react-native-ui';
import { PlayerEventType } from 'react-native-theoplayer';
const DURATION_CHANGE_EVENTS = [PlayerEventType.LOADED_DATA, PlayerEventType.DURATION_CHANGE];

/**
 * Returns {@link react-native-theoplayer!THEOplayer.duration | the player's duration}, automatically updating whenever it changes.
 *
 * This hook must only be used in a component mounted inside a {@link THEOplayerDefaultUi} or {@link UiContainer},
 * or alternatively any other component that provides a {@link PlayerContext}.
 *
 * @group Hooks
 */
export const useDuration = () => {
  const {
    player
  } = useContext(PlayerContext);
  const subscribe = useCallback(callback => {
    DURATION_CHANGE_EVENTS.forEach(event => player?.addEventListener(event, callback));
    return () => DURATION_CHANGE_EVENTS.forEach(event => player?.removeEventListener(event, callback));
  }, [player]);
  return useSyncExternalStore(subscribe, () => player ? player.duration : NaN);
};
//# sourceMappingURL=useDuration.js.map