discord-player-play-dl/src/Player.ts

import { EventEmitter } from 'events';
import { Client } from 'discord.js';
import { PlayerOptions } from './types/Player';
import Util from './Util';

export default class Player extends EventEmitter {
    public client!: Client;
    public options: PlayerOptions;

    constructor(client: Client, options?: PlayerOptions) {
        super();

        /**
         * The discord client that instantiated this player
         */
        Object.defineProperty(this, 'client', {
            value: client,
            enumerable: false
        });

        /**
         * The player options
         */
        this.options = Object.assign({}, Util.DefaultPlayerOptions, options ?? {});

        // check FFmpeg
        void Util.alertFFmpeg();
    }
}