Chris@0: /**
Chris@0:  * @file
Chris@0:  * Drupal's batch API.
Chris@0:  */
Chris@0: 
Chris@17: (function($, Drupal) {
Chris@0:   /**
Chris@0:    * Attaches the batch behavior to progress bars.
Chris@0:    *
Chris@0:    * @type {Drupal~behavior}
Chris@0:    */
Chris@0:   Drupal.behaviors.batch = {
Chris@0:     attach(context, settings) {
Chris@0:       const batch = settings.batch;
Chris@0:       const $progress = $('[data-drupal-progress]').once('batch');
Chris@0:       let progressBar;
Chris@0: 
Chris@0:       // Success: redirect to the summary.
Chris@0:       function updateCallback(progress, status, pb) {
Chris@0:         if (progress === '100') {
Chris@0:           pb.stopMonitoring();
Chris@0:           window.location = `${batch.uri}&op=finished`;
Chris@0:         }
Chris@0:       }
Chris@0: 
Chris@0:       function errorCallback(pb) {
Chris@0:         $progress.prepend($('<p class="error"></p>').html(batch.errorMessage));
Chris@0:         $('#wait').hide();
Chris@0:       }
Chris@0: 
Chris@0:       if ($progress.length) {
Chris@17:         progressBar = new Drupal.ProgressBar(
Chris@17:           'updateprogress',
Chris@17:           updateCallback,
Chris@17:           'POST',
Chris@17:           errorCallback,
Chris@17:         );
Chris@0:         progressBar.setProgress(-1, batch.initMessage);
Chris@0:         progressBar.startMonitoring(`${batch.uri}&op=do`, 10);
Chris@0:         // Remove HTML from no-js progress bar.
Chris@0:         $progress.empty();
Chris@0:         // Append the JS progressbar element.
Chris@0:         $progress.append(progressBar.element);
Chris@0:       }
Chris@0:     },
Chris@0:   };
Chris@17: })(jQuery, Drupal);