Issue #3278415 by nod_, lauriii, catch, Wim Leers, longwave, xjm, claudiu.cristea: Remove usages of the JavaScript ES6 build step, the build step itself, and associated dev dependencies

1 files changed, 80 insertions, 34 deletions

diff --git a/core/modules/node/node.preview.js b/core/modules/node/node.preview.js
index dff9d0984629..071d190fd8f3 100644
--- a/core/modules/node/node.preview.js
+++ b/core/modules/node/node.preview.js
@@ -1,34 +1,55 @@
 /**
-* DO NOT EDIT THIS FILE.
-* See the following change record for more information,
-* https://www.drupal.org/node/2815083
-* @preserve
-**/
+ * @file
+ * Preview behaviors.
+ */
 
 (function ($, Drupal) {
+  /**
+   * Disables all non-relevant links in node previews.
+   *
+   * Destroys links (except local fragment identifiers such as href="#frag") in
+   * node previews to prevent users from leaving the page.
+   *
+   * @type {Drupal~behavior}
+   *
+   * @prop {Drupal~behaviorAttach} attach
+   *   Attaches confirmation prompt for clicking links in node preview mode.
+   * @prop {Drupal~behaviorDetach} detach
+   *   Detaches confirmation prompt for clicking links in node preview mode.
+   */
   Drupal.behaviors.nodePreviewDestroyLinks = {
     attach(context) {
       function clickPreviewModal(event) {
-        if (event.button === 0 && !event.altKey && !event.ctrlKey && !event.metaKey && !event.shiftKey) {
+        // Only confirm leaving previews when left-clicking and user is not
+        // pressing the ALT, CTRL, META (Command key on the Macintosh keyboard)
+        // or SHIFT key.
+        if (
+          event.button === 0 &&
+          !event.altKey &&
+          !event.ctrlKey &&
+          !event.metaKey &&
+          !event.shiftKey
+        ) {
           event.preventDefault();
-          const $previewDialog = $(`<div>${Drupal.theme('nodePreviewModal')}</div>`).appendTo('body');
+          const $previewDialog = $(
+            `<div>${Drupal.theme('nodePreviewModal')}</div>`,
+          ).appendTo('body');
           Drupal.dialog($previewDialog, {
             title: Drupal.t('Leave preview?'),
-            buttons: [{
-              text: Drupal.t('Cancel'),
-
-              click() {
-                $(this).dialog('close');
-              }
-
-            }, {
-              text: Drupal.t('Leave preview'),
-
-              click() {
-                window.top.location.href = event.target.href;
-              }
-
-            }]
+            buttons: [
+              {
+                text: Drupal.t('Cancel'),
+                click() {
+                  $(this).dialog('close');
+                },
+              },
+              {
+                text: Drupal.t('Leave preview'),
+                click() {
+                  window.top.location.href = event.target.href;
+                },
+              },
+            ],
           }).showModal();
         }
       }
@@ -36,35 +57,60 @@
       if (!context.querySelector('.node-preview-container')) {
         return;
       }
-
       if (once('node-preview', 'html').length) {
-        $(document).on('click.preview', 'a:not([href^="#"], .node-preview-container a)', clickPreviewModal);
+        $(document).on(
+          'click.preview',
+          'a:not([href^="#"], .node-preview-container a)',
+          clickPreviewModal,
+        );
       }
     },
-
     detach(context, settings, trigger) {
       if (trigger === 'unload') {
-        if (context.querySelector('.node-preview-container') && once.remove('node-preview', 'html').length) {
+        if (
+          context.querySelector('.node-preview-container') &&
+          once.remove('node-preview', 'html').length
+        ) {
           $(document).off('click.preview');
         }
       }
-    }
-
+    },
   };
+
+  /**
+   * Switch view mode.
+   *
+   * @type {Drupal~behavior}
+   *
+   * @prop {Drupal~behaviorAttach} attach
+   *   Attaches automatic submit on `formUpdated.preview` events.
+   */
   Drupal.behaviors.nodePreviewSwitchViewMode = {
     attach(context) {
-      const autosubmit = once('autosubmit', '[data-drupal-autosubmit]', context);
-
+      const autosubmit = once(
+        'autosubmit',
+        '[data-drupal-autosubmit]',
+        context,
+      );
       if (autosubmit.length) {
         $(autosubmit).on('formUpdated.preview', function () {
           $(this.form).trigger('submit');
         });
       }
-    }
-
+    },
   };
 
+  /**
+   * Theme function for node preview modal.
+   *
+   * @return {string}
+   *   Markup for the node preview modal.
+   */
   Drupal.theme.nodePreviewModal = function () {
-    return `<p>${Drupal.t('Leaving the preview will cause unsaved changes to be lost. Are you sure you want to leave the preview?')}</p><small class="description">${Drupal.t('CTRL+Left click will prevent this dialog from showing and proceed to the clicked link.')}</small>`;
+    return `<p>${Drupal.t(
+      'Leaving the preview will cause unsaved changes to be lost. Are you sure you want to leave the preview?',
+    )}</p><small class="description">${Drupal.t(
+      'CTRL+Left click will prevent this dialog from showing and proceed to the clicked link.',
+    )}</small>`;
   };
-})(jQuery, Drupal);
\ No newline at end of file
+})(jQuery, Drupal);