react-native-track-player/lib/src/hooks/usePlayWhenReady.js

A fully fledged audio module created for music apps

import { useState, useEffect } from 'react';
import { getPlayWhenReady, addEventListener } from '../trackPlayer';
import { Event } from '../constants';
export const usePlayWhenReady = () => {
    const [playWhenReady, setPlayWhenReady] = useState(undefined);
    useEffect(() => {
        let mounted = true;
        getPlayWhenReady()
            .then((initialState) => {
            if (!mounted)
                return;
            // Only set the state if it wasn't already set by the Event.PlaybackPlayWhenReadyChanged listener below:
            setPlayWhenReady((state) => state ?? initialState);
        })
            .catch(() => {
            /** getState only throw while you haven't yet setup, ignore failure. */
        });
        const sub = addEventListener(Event.PlaybackPlayWhenReadyChanged, (event) => {
            setPlayWhenReady(event.playWhenReady);
        });
        return () => {
            mounted = false;
            sub.remove();
        };
    }, []);
    return playWhenReady;
};