spotitube/src/util/index.js

A Converter That Will Convert Your Spotify To YT with LavaLink.

const has = (o, k) => Object.prototype.hasOwnProperty.call(o, k);

class Utils extends null {
  /**
   * Sets default properties on an object that aren't already specified.
   * @param {Object} def Default properties
   * @param {Object} given Object to assign defaults to
   * @returns {Object}
   * @private
   */

  static mergeDefault(def, given) {
    if (!given) return def;
    for (const key in def) {
      if (!has(given, key) || given[key] === undefined) {
        given[key] = def[key];
      } else if (given[key] === Object(given[key])) {
        given[key] = this.mergeDefault(def[key], given[key]);
      }
    }

    return given;
  }
}

module.exports = Utils