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

A React Native UI for @theoplayer/react-native

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.useDuration = void 0;
var _react = require("react");
var _reactNativeUi = require("@theoplayer/react-native-ui");
var _reactNativeTheoplayer = require("react-native-theoplayer");
const DURATION_CHANGE_EVENTS = [_reactNativeTheoplayer.PlayerEventType.LOADED_DATA, _reactNativeTheoplayer.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
 */
const useDuration = () => {
  const {
    player
  } = (0, _react.useContext)(_reactNativeUi.PlayerContext);
  const subscribe = (0, _react.useCallback)(callback => {
    DURATION_CHANGE_EVENTS.forEach(event => player?.addEventListener(event, callback));
    return () => DURATION_CHANGE_EVENTS.forEach(event => player?.removeEventListener(event, callback));
  }, [player]);
  return (0, _react.useSyncExternalStore)(subscribe, () => player ? player.duration : NaN);
};
exports.useDuration = useDuration;
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