Method aliases

lib/command.js:2303–2309

* Set aliases for the command. * * Only the first alias is shown in the auto-generated help. * * @param {string[]} [aliases] * @return {(string[]|Command)}

(aliases)

   */

  aliases(aliases) {
    // Getter for the array of aliases is the main reason for having aliases() in addition to alias().
    if (aliases === undefined) return this._aliases;

    aliases.forEach((alias) => this.alias(alias));
    return this;
  }

  /**
   * Set / get the command usage `str`.