1 files changed, 3 insertions, 22 deletions

diff --git a/app/assets/javascripts/right_sidebar.js b/app/assets/javascripts/right_sidebar.js
index b5cd01044a3..d8f1fe10b26 100644
--- a/app/assets/javascripts/right_sidebar.js
+++ b/app/assets/javascripts/right_sidebar.js
@@ -1,6 +1,7 @@
 /* eslint-disable func-names, space-before-function-paren, no-var, prefer-rest-params, wrap-iife, no-unused-vars, consistent-return, one-var, one-var-declaration-per-line, quotes, prefer-template, object-shorthand, comma-dangle, no-else-return, no-param-reassign, max-len */
 
 import Cookies from 'js-cookie';
+import SidebarHeightManager from './sidebar_height_manager';
 
 (function() {
   this.Sidebar = (function() {
@@ -8,12 +9,6 @@ import Cookies from 'js-cookie';
       this.toggleTodo = this.toggleTodo.bind(this);
       this.sidebar = $('aside');
 
-      this.$sidebarInner = this.sidebar.find('.issuable-sidebar');
-      this.$navGitlab = $('.navbar-gitlab');
-      this.$layoutNav = $('.layout-nav');
-      this.$subScroll = $('.sub-nav-scroll');
-      this.$rightSidebar = $('.js-right-sidebar');
-
       this.removeListeners();
       this.addEventListeners();
     }
@@ -27,16 +22,14 @@ import Cookies from 'js-cookie';
     };
 
     Sidebar.prototype.addEventListeners = function() {
+      SidebarHeightManager.init();
       const $document = $(document);
-      const throttledSetSidebarHeight = _.throttle(this.setSidebarHeight.bind(this), 20);
-      const slowerThrottledSetSidebarHeight = _.throttle(this.setSidebarHeight.bind(this), 200);
 
       this.sidebar.on('click', '.sidebar-collapsed-icon', this, this.sidebarCollapseClicked);
       $('.dropdown').on('hidden.gl.dropdown', this, this.onSidebarDropdownHidden);
       $('.dropdown').on('loading.gl.dropdown', this.sidebarDropdownLoading);
       $('.dropdown').on('loaded.gl.dropdown', this.sidebarDropdownLoaded);
-      $(window).on('resize', () => throttledSetSidebarHeight());
-      $document.on('scroll', () => slowerThrottledSetSidebarHeight());
+
       $document.on('click', '.js-sidebar-toggle', function(e, triggered) {
         var $allGutterToggleIcons, $this, $thisIcon;
         e.preventDefault();
@@ -214,18 +207,6 @@ import Cookies from 'js-cookie';
       }
     };
 
-    Sidebar.prototype.setSidebarHeight = function() {
-      const $navHeight = this.$navGitlab.outerHeight() + this.$layoutNav.outerHeight() + (this.$subScroll ? this.$subScroll.outerHeight() : 0);
-      const diff = $navHeight - $(window).scrollTop();
-      if (diff > 0) {
-        this.$rightSidebar.outerHeight($(window).height() - diff);
-        this.$sidebarInner.height('100%');
-      } else {
-        this.$rightSidebar.outerHeight('100%');
-        this.$sidebarInner.height('');
-      }
-    };
-
     Sidebar.prototype.isOpen = function() {
       return this.sidebar.is('.right-sidebar-expanded');
     };