--- /dev/null
+/**
+ * @file
+ * Replaces the home link in toolbar with a back to site link.
+ */
+
+(function ($, Drupal, drupalSettings) {
+ const pathInfo = drupalSettings.path;
+ const escapeAdminPath = sessionStorage.getItem('escapeAdminPath');
+ const windowLocation = window.location;
+
+ // Saves the last non-administrative page in the browser to be able to link
+ // back to it when browsing administrative pages. If there is a destination
+ // parameter there is not need to save the current path because the page is
+ // loaded within an existing "workflow".
+ if (!pathInfo.currentPathIsAdmin && !/destination=/.test(windowLocation.search)) {
+ sessionStorage.setItem('escapeAdminPath', windowLocation);
+ }
+
+ /**
+ * Replaces the "Home" link with "Back to site" link.
+ *
+ * Back to site link points to the last non-administrative page the user
+ * visited within the same browser tab.
+ *
+ * @type {Drupal~behavior}
+ *
+ * @prop {Drupal~behaviorAttach} attach
+ * Attaches the replacement functionality to the toolbar-escape-admin element.
+ */
+ Drupal.behaviors.escapeAdmin = {
+ attach() {
+ const $toolbarEscape = $('[data-toolbar-escape-admin]').once('escapeAdmin');
+ if ($toolbarEscape.length && pathInfo.currentPathIsAdmin) {
+ if (escapeAdminPath !== null) {
+ $toolbarEscape.attr('href', escapeAdminPath);
+ }
+ else {
+ $toolbarEscape.text(Drupal.t('Home'));
+ }
+ }
+ },
+ };
+}(jQuery, Drupal, drupalSettings));