cookie-api-handler/dist/index.js

Handler for cookie APIs

'use strict';

var cookie = require('cookie');
var restApiHandler = require('rest-api-handler');

// eslint-disable-next-line filenames/match-exported
class CookieApi extends restApiHandler.Api {
  constructor(...args) {
    super(...args);

    this.fetchRequest = async request => {
      const response = await super.fetchRequest.call(this, request);
      const setCookieHeader = response.headers.get('set-cookie'); // if set cookies headers are not set, just continue

      if (!setCookieHeader) {
        return response;
      }

      let cookies = {}; // parse multiple set-cookie headers

      setCookieHeader.split(';').map(item => {
        return !item.includes('expires') ? item.replace(',', '\n') : item;
      }).join(';').split('\n').map(item => {
        return cookie.parse(item.split(';')[0]);
      }).forEach(item => {
        cookies = { ...cookies,
          ...item
        };
      });
      this.addCookies(cookies);
      return response;
    };
  }

  /**
   * Serialize Object of cookies to single string.
   *
   * @param cookies - Object with cookies
   * @returns serialized cookies string
   */
  static serializeCookies(cookies) {
    return Object.keys(cookies).map(name => {
      return cookie.serialize(name, cookies[name]);
    }).join(';');
  }
  /**
   * Process response headers, parse cookies and save them to object.
   *
   * @param request - Fetch request
   * @returns Response
   */


  /**
   * Get cookies as human readable object.
   */
  getCookies() {
    const cookies = this.getDefaultHeaders().cookie;

    if (typeof cookies !== 'string') {
      return null;
    }

    return cookie.parse(cookies);
  }
  /**
   * Add object of cookies.
   *
   * @param cookies - Object of cookies
   */


  addCookies(cookies) {
    this.setDefaultHeader('cookie', CookieApi.serializeCookies({ ...this.getCookies(),
      ...cookies
    }));
  }

}

module.exports = CookieApi;