Method helpGroup

lib/command.js:2358–2362

* Set/get the help group heading for this subcommand in parent command's help. * * @param {string} [heading] * @return {Command | string}

(heading)

   */

  helpGroup(heading) {
    if (heading === undefined) return this._helpGroupHeading ?? '';
    this._helpGroupHeading = heading;
    return this;
  }

  /**
   * Set/get the default help group heading for subcommands added to this command.