How to use the howler.Howler.codecs function in howler

startPlaying(props) {
        if (props.isPlaying && props.currentSong) {
            // If it should be playing any song
            const url = props.currentSong.get("url");
            const format = url.split(".").pop();
            const isPlayable = Howler.codecs(format);
            if (isPlayable) {
                // Build a new Howler object with current song to play
                this.howl = new Howl({
                    src: [url],
                    html5: true,  // Use HTML5 by default to allow streaming
                    mute: props.isMute,
                    volume: props.volume / 100,  // Set current volume
                    autoplay: false,  // No autoplay, we handle it manually
                    format: format,  // Specify format as Howler is unable to fetch it from URL
                    onloaderror: () => props.actions.setError(ONLOAD_ERROR),  // Display error if song cannot be loaded
                    onend: () => props.actions.playNextSong(),  // Play next song at the end
                });
                // Start playing
                this.howl.play();
            } else {
                // Howler already performs this check on his own, but we have