[Skip ci] replace .hidden-lg

app/helpers/issuables_helper.rb

@@ -132,14 +132,14 @@ module IssuablesHelper
     output << "Opened #{time_ago_with_tooltip(issuable.created_at)} by ".html_safe
     output << content_tag(:strong) do
       author_output = link_to_member(project, issuable.author, size: 24, mobile_classes: "hidden-xs", tooltip: true)
-      author_output << link_to_member(project, issuable.author, size: 24, by_username: true, avatar: false, mobile_classes: "hidden-sm hidden-md hidden-lg")
+      author_output << link_to_member(project, issuable.author, size: 24, by_username: true, avatar: false, mobile_classes: "d-block d-sm-none")
     end
 
     output << "&ensp;".html_safe
     output << content_tag(:span, (issuable_first_contribution_icon if issuable.first_contribution?), class: 'has-tooltip', title: _('1st contribution!'))
 
-    output << content_tag(:span, (issuable.task_status if issuable.tasks?), id: "task_status", class: "hidden-xs hidden-sm")
-    output << content_tag(:span, (issuable.task_status_short if issuable.tasks?), id: "task_status_short", class: "hidden-md hidden-lg")
+    output << content_tag(:span, (issuable.task_status if issuable.tasks?), id: "task_status", class: "d-none d-sm-none d-md-block")
+    output << content_tag(:span, (issuable.task_status_short if issuable.tasks?), id: "task_status_short", class: "d-md-none d-lg-none d-xl-block")
 
     output.html_safe
   end

app/views/layouts/header/_default.html.haml

@@ -78,7 +78,7 @@
               %div
                 = link_to "Sign in / Register", new_session_path(:user, redirect_to_referer: 'yes'), class: 'btn btn-sign-in'
 
-      %button.navbar-toggle.hidden-sm.hidden-md.hidden-lg{ type: 'button' }
+      %button.navbar-toggle.d-block.d-sm-none{ type: 'button' }
         %span.sr-only Toggle navigation
         = sprite_icon('more', size: 12, css_class: 'more-icon js-navbar-toggle-right')
         = sprite_icon('close', size: 12, css_class: 'close-icon js-navbar-toggle-left')

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

@@ -28,7 +28,7 @@
         Snippets
 
   - if any_dashboard_nav_link?([:groups, :milestones, :activity, :snippets])
-    %li.header-more.dropdown.hidden-lg
+    %li.header-more.dropdown.d-lg-none.d-xl-none
       %a{ href: "#", data: { toggle: "dropdown" } }
         More
         = sprite_icon('angle-down', css_class: 'caret-down')

app/views/projects/issues/show.html.haml

@@ -11,11 +11,11 @@
 .detail-page-header
   .detail-page-header-body
     .issuable-status-box.status-box.status-box-issue-closed{ class: issue_button_visibility(@issue, false) }
-      = sprite_icon('mobile-issue-close', size: 16, css_class: 'hidden-sm hidden-md hidden-lg')
+      = sprite_icon('mobile-issue-close', size: 16, css_class: 'd-block d-sm-none')
       %span.hidden-xs
         Closed
     .issuable-status-box.status-box.status-box-open{ class: issue_button_visibility(@issue, true) }
-      = sprite_icon('issue-open-m', size: 16, css_class: 'hidden-sm hidden-md hidden-lg')
+      = sprite_icon('issue-open-m', size: 16, css_class: 'd-block d-sm-none')
       %span.hidden-xs Open
 
     .issuable-meta
@@ -30,10 +30,10 @@
 
   .detail-page-header-actions.js-issuable-actions
     .clearfix.issue-btn-group.dropdown
-      %button.btn.btn-secondary.float-left.hidden-md.hidden-lg{ type: "button", data: { toggle: "dropdown" } }
+      %button.btn.btn-secondary.float-left.d-md-none.d-lg-none.d-xl-none{ type: "button", data: { toggle: "dropdown" } }
         Options
         = icon('caret-down')
-      .dropdown-menu.dropdown-menu-align-right.hidden-lg
+      .dropdown-menu.dropdown-menu-align-right.d-lg-none.d-xl-none
         %ul
           - unless current_user == @issue.author
             %li= link_to 'Report abuse', new_abuse_report_path(user_id: @issue.author.id, ref_url: issue_url(@issue))

app/views/projects/merge_requests/_mr_title.html.haml

@@ -7,7 +7,7 @@
 .detail-page-header
   .detail-page-header-body
     .issuable-status-box.status-box{ class: status_box_class(@merge_request) }
-      = sprite_icon(@merge_request.state_icon_name, size: 16, css_class: 'hidden-sm hidden-md hidden-lg')
+      = sprite_icon(@merge_request.state_icon_name, size: 16, css_class: 'd-block d-sm-none')
       %span.hidden-xs
         = @merge_request.state_human_name
 
@@ -21,10 +21,10 @@
 
   .detail-page-header-actions.js-issuable-actions
     .clearfix.issue-btn-group.dropdown
-      %button.btn.btn-secondary.float-left.hidden-md.hidden-lg{ type: "button", data: { toggle: "dropdown" } }
+      %button.btn.btn-secondary.float-left.d-md-none.d-lg-none.d-xl-none{ type: "button", data: { toggle: "dropdown" } }
         Options
         = icon('caret-down')
-      .dropdown-menu.dropdown-menu-align-right.hidden-lg
+      .dropdown-menu.dropdown-menu-align-right.d-lg-none.d-xl-none
         %ul
           - if can_update_merge_request
             %li= link_to 'Edit', edit_namespace_project_merge_request_path(@project.namespace, @project, @merge_request)