Remove now-unnecessary md-preview class

app/assets/javascripts/vue_shared/components/markdown/field.vue

@@ -215,7 +215,7 @@ export default {
       <div
         v-show="previewMarkdown"
         ref="markdown-preview"
-        class="md-preview js-vue-md-preview md-preview-holder"
+        class="js-vue-md-preview md-preview-holder"
       >
         <suggestions
           v-if="hasSuggestion"
@@ -233,7 +233,7 @@ export default {
       <div
         v-show="previewMarkdown"
         ref="markdown-preview"
-        class="md-preview js-vue-md-preview md md-preview-holder"
+        class="js-vue-md-preview md md-preview-holder"
         v-html="markdownPreview"
       ></div>
     </template>

app/views/projects/_md_preview.html.haml

@@ -22,7 +22,7 @@
 
   .md-write-holder
     = yield
-  .md.md-preview-holder.js-md-preview.hide.md-preview{ data: { url: url } }
+  .md.md-preview-holder.js-md-preview.hide{ data: { url: url } }
   .referenced-commands.hide
 
   - if referenced_users

ee/spec/features/epics/update_epic_spec.rb

@@ -48,7 +48,7 @@ describe 'Update Epic', :js do
 
         page.within('.detail-page-description') do
           click_button('Preview')
-          expect(find('.md-preview')).to have_content('New epic description')
+          expect(find('.md-preview-holder')).to have_content('New epic description')
         end
 
         click_button 'Save changes'
@@ -100,7 +100,7 @@ describe 'Update Epic', :js do
           click_button('Preview')
           wait_for_requests
 
-          within('.md-preview') do
+          within('.md-preview-holder') do
             link = find(link_css)['src']
             expect(link).to match(link_match)
           end

spec/features/snippets/notes_on_personal_snippets_spec.rb

@@ -70,7 +70,7 @@ describe 'Comments on personal snippets', :js do
       fill_in 'note[note]', with: 'This is **awesome**!'
       find('.js-md-preview-button').click
 
-      page.within('.new-note .md-preview') do
+      page.within('.new-note .md-preview-holder') do
         expect(page).to have_content('This is awesome!')
         expect(page).to have_selector('strong')
       end

spec/features/snippets/user_creates_snippet_spec.rb

@@ -37,7 +37,7 @@ describe 'User creates snippet', :js do
     dropzone_file Rails.root.join('spec', 'fixtures', 'banana_sample.gif')
     find('.js-md-preview-button').click
 
-    page.within('#new_personal_snippet .md-preview') do
+    page.within('#new_personal_snippet .md-preview-holder') do
       expect(page).to have_content('My Snippet')
 
       link = find('a.no-attachment-icon img[alt="banana_sample"]')['src']

spec/javascripts/vue_shared/components/markdown/field_spec.js

@@ -5,7 +5,7 @@ import fieldComponent from '~/vue_shared/components/markdown/field.vue';
 function assertMarkdownTabs(isWrite, writeLink, previewLink, vm) {
   expect(writeLink.parentNode.classList.contains('active')).toEqual(isWrite);
   expect(previewLink.parentNode.classList.contains('active')).toEqual(!isWrite);
-  expect(vm.$el.querySelector('.md-preview').style.display).toEqual(isWrite ? 'none' : '');
+  expect(vm.$el.querySelector('.md-preview-holder').style.display).toEqual(isWrite ? 'none' : '');
 }
 
 describe('Markdown field component', () => {
@@ -80,7 +80,9 @@ describe('Markdown field component', () => {
         previewLink.click();
 
         Vue.nextTick(() => {
-          expect(vm.$el.querySelector('.md-preview').textContent.trim()).toContain('Loading…');
+          expect(vm.$el.querySelector('.md-preview-holder').textContent.trim()).toContain(
+            'Loading…',
+          );
 
           done();
         });
@@ -90,7 +92,7 @@ describe('Markdown field component', () => {
         previewLink.click();
 
         setTimeout(() => {
-          expect(vm.$el.querySelector('.md-preview').innerHTML).toContain(
+          expect(vm.$el.querySelector('.md-preview-holder').innerHTML).toContain(
             '<p>markdown preview</p>',
           );