Remove JS flicker on page load; UI tweaks

app/assets/javascripts/new_sidebar.js

@@ -45,8 +45,10 @@ export default class NewNavSidebar {
   toggleCollapsedSidebar(collapsed) {
     this.$sidebar.toggleClass('sidebar-icons-only', collapsed);
-    this.$page.toggleClass('page-with-new-sidebar', !collapsed);
-    this.$page.toggleClass('page-with-icon-sidebar', collapsed);
+    if (this.$sidebar.length) {
+      this.$page.toggleClass('page-with-new-sidebar', !collapsed);
+      this.$page.toggleClass('page-with-icon-sidebar', collapsed);
+    }
     NewNavSidebar.setCollapsedCookie(collapsed);
   }

app/assets/stylesheets/new_sidebar.scss

@@ -400,6 +400,7 @@ $new-sidebar-collapsed-width: 50px;
   .toggle-sidebar-button {
     width: $new-sidebar-collapsed-width - 2px;
+    padding: 16px 18px;
     .collapse-text,
     .fa-angle-double-left {

app/helpers/application_helper.rb

@@ -305,4 +305,8 @@ module ApplicationHelper
   def show_new_nav?
     cookies["new_nav"] == "true"
   end
+
+  def collapsed_sidebar?
+    cookies["sidebar_collapsed"] == "true"
+  end
 end

app/helpers/nav_helper.rb

@@ -2,6 +2,7 @@ module NavHelper
   def page_with_sidebar_class
     class_name = page_gutter_class
     class_name << 'page-with-new-sidebar' if defined?(@new_sidebar) && @new_sidebar
+    class_name << 'page-with-icon-sidebar' if collapsed_sidebar?
     class_name
   end

app/views/layouts/nav/_new_project_sidebar.html.haml

-.nav-sidebar
+.nav-sidebar{ class: ("sidebar-icons-only" if collapsed_sidebar?) }
   - can_edit = can?(current_user, :admin_project, @project)
   .context-header
     = link_to project_path(@project), title: @project.name do
@@ -219,7 +219,7 @@
         = link_to project_settings_members_path(@project), title: 'Members', class: 'shortcuts-tree' do
           .nav-icon-container
             = custom_icon('members')
-          %span
+          %span.nav-item-name
             Members
     = render 'shared/sidebar_toggle_button'