Method summary

lib/command.js:2248–2252

* Set the summary. Used when listed as subcommand of parent. * * @param {string} [str] * @return {(string|Command)}

(str)

   * @return {(string|Command)}
   */
  summary(str) {
    if (str === undefined) return this._summary;
    this._summary = str;
    return this;
  }

  /**
   * Set an alias for the command.