code formatting (#9)

No changes in this commit besides formatting

common/header.html

@@ -105,9 +105,7 @@
         const previousHeader = $(self.options.selectors).eq(index - 1);
         const previousTagName = previousHeader.prop("tagName").charAt(1);
 
-        const currentTagName = $(this)
-          .prop("tagName")
-          .charAt(1);
+        const currentTagName = $(this).prop("tagName").charAt(1);
 
         if (currentTagName < previousTagName) {
           self.element
@@ -166,7 +164,7 @@
       },
 
       highlightItemsOnScroll: self => {
-        $('html, body')
+        $("html, body")
           .promise()
           .done(function () {
             const winScrollTop = $(window).scrollTop();
@@ -234,7 +232,7 @@
       scrollTo: function (elem) {
         const currentDiv = $(`[data-d-toc="${elem.attr("data-d-toc")}"]`);
 
-        $('html, body').animate(
+        $("html, body").animate(
           {
             scrollTop: `${currentDiv.offset().top - minimumOffset()}`
           },
@@ -250,7 +248,8 @@
     });
   })(() => {});
 
-  api.decorateCooked($elem => {
+  api.decorateCooked(
+    $elem => {
       run.scheduleOnce("actions", () => {
         if ($elem.hasClass("d-editor-preview")) return;
         if (!$elem.parents("article#post_1").length) return;
@@ -335,7 +334,9 @@
           selectors: dTocHeadingSelectors
         });
       });
-  }, {id: "disco-toc"});
+    },
+    { id: "disco-toc" }
+  );
 
   api.cleanupStream(() => {
     $(window).off("scroll.d-toc");
@@ -362,7 +363,6 @@
     }
     I18n.translations[I18n.currentLocale()].js.composer.contains_dtoc = " ";
 
-
     api.addToolbarPopupMenuOptionsCallback(() => {
       const composerController = api.container.lookup("controller:composer");
       return {