text: import querystring from 'querystring';
  
  /**
   * PageTransition
   */
  export default class PageTransition {
      /**
       * @constructor
       * @param {string} url
       */
      constructor(url) {
          this.url = url;
      }
  
      /**
       * 遷移する
       * @param {object} params
       */
      transition(params) {
          const query = querystring.stringify(params);
  
          window.location.assign(`${this.url}${query}`);
      }
  }
  