Method addError

lib/error/setOptionError.js:47–59

* add message * @param {string} key * @param {string|Error} error * @api private

(key, error)

  * @api private
  */
  addError(key, error) {
    if (error instanceof SetOptionError) {
      const { errors } = error;
      for (const optionKey of Object.keys(errors)) {
        this.addError(optionKey, errors[optionKey]);
      }

      return;
    }

    this.errors[key] = error;
    this.message = combinePathErrors(this);
  }
}