Chris@0: /**
Chris@0:  * @file
Chris@0:  * Some basic behaviors and utility functions for Views.
Chris@0:  */
Chris@0: 
Chris@17: (function($, Drupal, drupalSettings) {
Chris@0:   /**
Chris@0:    * @namespace
Chris@0:    */
Chris@0:   Drupal.Views = {};
Chris@0: 
Chris@0:   /**
Chris@0:    * Helper function to parse a querystring.
Chris@0:    *
Chris@0:    * @param {string} query
Chris@0:    *   The querystring to parse.
Chris@0:    *
Chris@0:    * @return {object}
Chris@0:    *   A map of query parameters.
Chris@0:    */
Chris@17:   Drupal.Views.parseQueryString = function(query) {
Chris@0:     const args = {};
Chris@0:     const pos = query.indexOf('?');
Chris@0:     if (pos !== -1) {
Chris@0:       query = query.substring(pos + 1);
Chris@0:     }
Chris@0:     let pair;
Chris@0:     const pairs = query.split('&');
Chris@0:     for (let i = 0; i < pairs.length; i++) {
Chris@0:       pair = pairs[i].split('=');
Chris@0:       // Ignore the 'q' path argument, if present.
Chris@0:       if (pair[0] !== 'q' && pair[1]) {
Chris@17:         args[
Chris@17:           decodeURIComponent(pair[0].replace(/\+/g, ' '))
Chris@17:         ] = decodeURIComponent(pair[1].replace(/\+/g, ' '));
Chris@0:       }
Chris@0:     }
Chris@0:     return args;
Chris@0:   };
Chris@0: 
Chris@0:   /**
Chris@0:    * Helper function to return a view's arguments based on a path.
Chris@0:    *
Chris@0:    * @param {string} href
Chris@0:    *   The href to check.
Chris@0:    * @param {string} viewPath
Chris@0:    *   The views path to check.
Chris@0:    *
Chris@0:    * @return {object}
Chris@0:    *   An object containing `view_args` and `view_path`.
Chris@0:    */
Chris@17:   Drupal.Views.parseViewArgs = function(href, viewPath) {
Chris@0:     const returnObj = {};
Chris@0:     const path = Drupal.Views.getPath(href);
Chris@0:     // Get viewPath url without baseUrl portion.
Chris@17:     const viewHref = Drupal.url(viewPath).substring(
Chris@17:       drupalSettings.path.baseUrl.length,
Chris@17:     );
Chris@0:     // Ensure we have a correct path.
Chris@0:     if (viewHref && path.substring(0, viewHref.length + 1) === `${viewHref}/`) {
Chris@17:       returnObj.view_args = decodeURIComponent(
Chris@17:         path.substring(viewHref.length + 1, path.length),
Chris@17:       );
Chris@0:       returnObj.view_path = path;
Chris@0:     }
Chris@0:     return returnObj;
Chris@0:   };
Chris@0: 
Chris@0:   /**
Chris@0:    * Strip off the protocol plus domain from an href.
Chris@0:    *
Chris@0:    * @param {string} href
Chris@0:    *   The href to strip.
Chris@0:    *
Chris@0:    * @return {string}
Chris@0:    *   The href without the protocol and domain.
Chris@0:    */
Chris@17:   Drupal.Views.pathPortion = function(href) {
Chris@0:     // Remove e.g. http://example.com if present.
Chris@0:     const protocol = window.location.protocol;
Chris@0:     if (href.substring(0, protocol.length) === protocol) {
Chris@0:       // 2 is the length of the '//' that normally follows the protocol.
Chris@0:       href = href.substring(href.indexOf('/', protocol.length + 2));
Chris@0:     }
Chris@0:     return href;
Chris@0:   };
Chris@0: 
Chris@0:   /**
Chris@0:    * Return the Drupal path portion of an href.
Chris@0:    *
Chris@0:    * @param {string} href
Chris@0:    *   The href to check.
Chris@0:    *
Chris@0:    * @return {string}
Chris@0:    *   An internal path.
Chris@0:    */
Chris@17:   Drupal.Views.getPath = function(href) {
Chris@0:     href = Drupal.Views.pathPortion(href);
Chris@0:     href = href.substring(drupalSettings.path.baseUrl.length, href.length);
Chris@0:     // 3 is the length of the '?q=' added to the url without clean urls.
Chris@0:     if (href.substring(0, 3) === '?q=') {
Chris@0:       href = href.substring(3, href.length);
Chris@0:     }
Chris@0:     const chars = ['#', '?', '&'];
Chris@0:     for (let i = 0; i < chars.length; i++) {
Chris@0:       if (href.indexOf(chars[i]) > -1) {
Chris@0:         href = href.substr(0, href.indexOf(chars[i]));
Chris@0:       }
Chris@0:     }
Chris@0:     return href;
Chris@0:   };
Chris@17: })(jQuery, Drupal, drupalSettings);