Merge branch 'master' into 'pipelines_show_refactor'

# Conflicts:
#   config/webpack.config.js

.gitlab/issue_templates/Bug.md

+<!---
 Please read this!
 
 Before opening a new issue, make sure to search for keywords in the issues
@@ -14,10 +15,7 @@ For the Enterprise Edition issue tracker:
 - https://gitlab.com/gitlab-org/gitlab-ee/issues?label_name%5B%5D=bug
 
 and verify the issue you're about to submit isn't a duplicate.
-
-Please remove this notice if you're confident your issue isn't a duplicate.
-
-------
+--->
 
 ### Summary
 

app/assets/javascripts/autosave.js

@@ -3,10 +3,10 @@
 import AccessorUtilities from './lib/utils/accessor';
 
 export default class Autosave {
-  constructor(field, key, resource) {
+  constructor(field, key) {
     this.field = field;
+
     this.isLocalStorageAvailable = AccessorUtilities.isLocalStorageAccessSafe();
-    this.resource = resource;
     if (key.join != null) {
       key = key.join('/');
     }
@@ -17,31 +17,27 @@ export default class Autosave {
   }
 
   restore() {
-    var text;
-
     if (!this.isLocalStorageAvailable) return;
+    if (!this.field.length) return;
 
-    text = window.localStorage.getItem(this.key);
+    const text = window.localStorage.getItem(this.key);
 
     if ((text != null ? text.length : void 0) > 0) {
       this.field.val(text);
     }
-    if (!this.resource && this.resource !== 'issue') {
-      this.field.trigger('input');
-    } else {
-      // v-model does not update with jQuery trigger
-      // https://github.com/vuejs/vue/issues/2804#issuecomment-216968137
-      const event = new Event('change', { bubbles: true, cancelable: false });
-      const field = this.field.get(0);
-      if (field) {
-        field.dispatchEvent(event);
-      }
-    }
+
+    this.field.trigger('input');
+    // v-model does not update with jQuery trigger
+    // https://github.com/vuejs/vue/issues/2804#issuecomment-216968137
+    const event = new Event('change', { bubbles: true, cancelable: false });
+    const field = this.field.get(0);
+    field.dispatchEvent(event);
   }
 
   save() {
-    var text;
-    text = this.field.val();
+    if (!this.field.length) return;
+
+    const text = this.field.val();
 
     if (this.isLocalStorageAvailable && (text != null ? text.length : void 0) > 0) {
       return window.localStorage.setItem(this.key, text);

app/assets/javascripts/awards_handler.js

@@ -2,7 +2,7 @@
 import _ from 'underscore';
 import Cookies from 'js-cookie';
 import { __ } from './locale';
-import { isInIssuePage, updateTooltipTitle } from './lib/utils/common_utils';
+import { isInIssuePage, isInMRPage, hasVueMRDiscussionsCookie, updateTooltipTitle } from './lib/utils/common_utils';
 import flash from './flash';
 import axios from './lib/utils/axios_utils';
 
@@ -239,9 +239,9 @@ class AwardsHandler {
   }
 
   addAward(votesBlock, awardUrl, emoji, checkMutuality, callback) {
-    const isMainAwardsBlock = votesBlock.closest('.js-issue-note-awards').length;
+    const isMainAwardsBlock = votesBlock.closest('.js-noteable-awards').length;
 
-    if (isInIssuePage() && !isMainAwardsBlock) {
+    if (this.isInVueNoteablePage() && !isMainAwardsBlock) {
       const id = votesBlock.attr('id').replace('note_', '');
 
       this.hideMenuElement($('.emoji-menu'));
@@ -293,8 +293,16 @@ class AwardsHandler {
     }
   }
 
+  isVueMRDiscussions() {
+    return isInMRPage() && hasVueMRDiscussionsCookie() && !$('#diffs').is(':visible');
+  }
+
+  isInVueNoteablePage() {
+    return isInIssuePage() || this.isVueMRDiscussions();
+  }
+
   getVotesBlock() {
-    if (isInIssuePage()) {
+    if (this.isInVueNoteablePage()) {
       const $el = $('.js-add-award.is-active').closest('.note.timeline-entry');
 
       if ($el.length) {

app/assets/javascripts/boards/components/board_sidebar.js

@@ -6,7 +6,7 @@ import { __ } from '../../locale';
 import Sidebar from '../../right_sidebar';
 import eventHub from '../../sidebar/event_hub';
 import assigneeTitle from '../../sidebar/components/assignees/assignee_title';
-import assignees from '../../sidebar/components/assignees/assignees';
+import assignees from '../../sidebar/components/assignees/assignees.vue';
 import DueDateSelectors from '../../due_date_select';
 import './sidebar/remove_issue';
 import IssuableContext from '../../issuable_context';

app/assets/javascripts/cycle_analytics/cycle_analytics_bundle.js

@@ -14,10 +14,10 @@ import CycleAnalyticsStore from './cycle_analytics_store';
 
 Vue.use(Translate);
 
-$(() => {
+export default () => {
   const OVERVIEW_DIALOG_COOKIE = 'cycle_analytics_help_dismissed';
 
-  gl.cycleAnalyticsApp = new Vue({
+  new Vue({ // eslint-disable-line no-new
     el: '#cycle-analytics',
     name: 'CycleAnalytics',
     components: {
@@ -132,4 +132,4 @@ $(() => {
       },
     },
   });
-});
+};

app/assets/javascripts/diff_notes/components/jump_to_discussion.js

@@ -197,7 +197,7 @@ const JumpToDiscussion = Vue.extend({
       }
 
       $.scrollTo($target, {
-        offset: 0
+        offset: -150
       });
     }
   },

app/assets/javascripts/diff_notes/components/resolve_btn.js

@@ -87,6 +87,7 @@ const ResolveBtn = Vue.extend({
           CommentsStore.update(this.discussionId, this.noteId, !this.isResolved, resolved_by);
           this.discussion.updateHeadline(data);
           gl.mrWidget.checkStatus();
+          document.dispatchEvent(new CustomEvent('refreshVueNotes'));
 
           this.updateTooltip();
         })

app/assets/javascripts/diff_notes/diff_notes_bundle.js

@@ -14,6 +14,7 @@ import './components/resolve_count';
 import './components/resolve_discussion_btn';
 import './components/diff_note_avatars';
 import './components/new_issue_for_discussion';
+import { hasVueMRDiscussionsCookie } from '../lib/utils/common_utils';
 
 export default () => {
   const projectPathHolder = document.querySelector('.merge-request') || document.querySelector('.commit-box');
@@ -67,12 +68,14 @@ export default () => {
 
   gl.diffNotesCompileComponents();
 
-  new Vue({
-    el: '#resolve-count-app',
-    components: {
-      'resolve-count': ResolveCount
-    },
-  });
+  if (!hasVueMRDiscussionsCookie()) {
+    new Vue({
+      el: '#resolve-count-app',
+      components: {
+        'resolve-count': ResolveCount
+      },
+    });
+  }
 
   $(window).trigger('resize.nav');
 };

app/assets/javascripts/diff_notes/services/resolve.js

@@ -8,8 +8,8 @@ window.gl = window.gl || {};
 
 class ResolveServiceClass {
   constructor(root) {
-    this.noteResource = Vue.resource(`${root}/notes{/noteId}/resolve`);
-    this.discussionResource = Vue.resource(`${root}/merge_requests{/mergeRequestId}/discussions{/discussionId}/resolve`);
+    this.noteResource = Vue.resource(`${root}/notes{/noteId}/resolve?html=true`);
+    this.discussionResource = Vue.resource(`${root}/merge_requests{/mergeRequestId}/discussions{/discussionId}/resolve?html=true`);
   }
 
   resolve(noteId) {
@@ -45,6 +45,7 @@ class ResolveServiceClass {
 
         if (gl.mrWidget) gl.mrWidget.checkStatus();
         discussion.updateHeadline(data);
+        document.dispatchEvent(new CustomEvent('refreshVueNotes'));
       })
       .catch(() => new Flash('An error occurred when trying to resolve a discussion. Please try again.'));
   }

app/assets/javascripts/filtered_search/filtered_search_bundle.js

-import './dropdown_emoji';
-import './dropdown_hint';
-import './dropdown_non_user';
-import './dropdown_user';
-import './dropdown_utils';
-import './filtered_search_dropdown_manager';
-import './filtered_search_dropdown';
-import './filtered_search_manager';
-import './filtered_search_tokenizer';
-import './filtered_search_visual_tokens';

app/assets/javascripts/ide/components/ide_context_bar.vue

 <script>
   import { mapGetters, mapState, mapActions } from 'vuex';
+  import icon from '~/vue_shared/components/icon.vue';
+  import panelResizer from '~/vue_shared/components/panel_resizer.vue';
   import repoCommitSection from './repo_commit_section.vue';
-  import icon from '../../vue_shared/components/icon.vue';
-  import panelResizer from '../../vue_shared/components/panel_resizer.vue';
 
   export default {
     components: {

app/assets/javascripts/ide/components/ide_project_branches_tree.vue

 <script>
+import icon from '~/vue_shared/components/icon.vue';
 import repoTree from './ide_repo_tree.vue';
-import icon from '../../vue_shared/components/icon.vue';
 import newDropdown from './new_dropdown/index.vue';
 
 export default {

app/assets/javascripts/ide/components/ide_project_tree.vue

 <script>
+import projectAvatarImage from '~/vue_shared/components/project_avatar/image.vue';
 import branchesTree from './ide_project_branches_tree.vue';
-import projectAvatarImage from '../../vue_shared/components/project_avatar/image.vue';
 
 export default {
   components: {

app/assets/javascripts/ide/components/ide_repo_tree.vue

 <script>
 import { mapState } from 'vuex';
+import skeletonLoadingContainer from '~/vue_shared/components/skeleton_loading_container.vue';
 import repoPreviousDirectory from './repo_prev_directory.vue';
 import repoFile from './repo_file.vue';
-import skeletonLoadingContainer from '../../vue_shared/components/skeleton_loading_container.vue';
 import { treeList } from '../stores/utils';
 
 export default {

app/assets/javascripts/ide/components/ide_side_bar.vue

 <script>
   import { mapState, mapActions } from 'vuex';
+  import icon from '~/vue_shared/components/icon.vue';
+  import panelResizer from '~/vue_shared/components/panel_resizer.vue';
+  import skeletonLoadingContainer from '~/vue_shared/components/skeleton_loading_container.vue';
   import projectTree from './ide_project_tree.vue';
-  import icon from '../../vue_shared/components/icon.vue';
-  import panelResizer from '../../vue_shared/components/panel_resizer.vue';
-  import skeletonLoadingContainer from '../../vue_shared/components/skeleton_loading_container.vue';
 
   export default {
     components: {

app/assets/javascripts/ide/components/ide_status_bar.vue

 <script>
   import { mapState } from 'vuex';
-  import icon from '../../vue_shared/components/icon.vue';
-  import tooltip from '../../vue_shared/directives/tooltip';
-  import timeAgoMixin from '../../vue_shared/mixins/timeago';
+  import icon from '~/vue_shared/components/icon.vue';
+  import tooltip from '~/vue_shared/directives/tooltip';
+  import timeAgoMixin from '~/vue_shared/mixins/timeago';
 
   export default {
     components: {

app/assets/javascripts/ide/components/new_branch_form.vue

 <script>
   import { mapState, mapActions } from 'vuex';
-  import flash, { hideFlash } from '../../flash';
-  import loadingIcon from '../../vue_shared/components/loading_icon.vue';
+  import flash, { hideFlash } from '~/flash';
+  import loadingIcon from '~/vue_shared/components/loading_icon.vue';
 
   export default {
     components: {

app/assets/javascripts/ide/components/repo_commit_section.vue

 <script>
 import { mapGetters, mapState, mapActions } from 'vuex';
-import tooltip from '../../vue_shared/directives/tooltip';
-import icon from '../../vue_shared/components/icon.vue';
-import modal from '../../vue_shared/components/modal.vue';
+import tooltip from '~/vue_shared/directives/tooltip';
+import icon from '~/vue_shared/components/icon.vue';
+import modal from '~/vue_shared/components/modal.vue';
 import commitFilesList from './commit_sidebar/list.vue';
 
 export default {

app/assets/javascripts/ide/components/repo_edit_button.vue

 <script>
 import { mapGetters, mapActions, mapState } from 'vuex';
-import modal from '../../vue_shared/components/modal.vue';
+import modal from '~/vue_shared/components/modal.vue';
 
 export default {
   components: {

app/assets/javascripts/ide/components/repo_editor.vue

 <script>
 /* global monaco */
 import { mapState, mapGetters, mapActions } from 'vuex';
-import flash from '../../flash';
+import flash from '~/flash';
 import monacoLoader from '../monaco_loader';
 import Editor from '../lib/editor';
 

app/assets/javascripts/ide/components/repo_loading_file.vue

 <script>
   import { mapState } from 'vuex';
-  import skeletonLoadingContainer from '../../vue_shared/components/skeleton_loading_container.vue';
+  import skeletonLoadingContainer from '~/vue_shared/components/skeleton_loading_container.vue';
 
   export default {
     components: {

app/assets/javascripts/ide/components/repo_preview.vue

 <script>
   import { mapGetters } from 'vuex';
-  import LineHighlighter from '../../line_highlighter';
-  import syntaxHighlight from '../../syntax_highlight';
+  import LineHighlighter from '~/line_highlighter';
+  import syntaxHighlight from '~/syntax_highlight';
 
   export default {
     computed: {

app/assets/javascripts/ide/stores/actions.js

 import Vue from 'vue';
-import { visitUrl } from '../../lib/utils/url_utility';
-import flash from '../../flash';
+import { visitUrl } from '~/lib/utils/url_utility';
+import flash from '~/flash';
 import service from '../services';
 import * as types from './mutation_types';
 import { stripHtml } from '../../lib/utils/text_utility';

app/assets/javascripts/labels_select.js

@@ -21,7 +21,7 @@ export default class LabelsSelect {
     }
 
     $els.each(function(i, dropdown) {
-      var $block, $colorPreview, $dropdown, $form, $loading, $selectbox, $sidebarCollapsedValue, $value, abilityName, defaultLabel, enableLabelCreateButton, issueURLSplit, issueUpdateURL, labelHTMLTemplate, labelNoneHTMLTemplate, labelUrl, namespacePath, projectPath, saveLabelData, selectedLabel, showAny, showNo, $sidebarLabelTooltip, initialSelected, $toggleText, fieldName, useId, propertyName, showMenuAbove, $container, $dropdownContainer;
+      var $block, $colorPreview, $dropdown, $form, $loading, $selectbox, $sidebarCollapsedValue, $value, abilityName, defaultLabel, enableLabelCreateButton, issueURLSplit, issueUpdateURL, labelUrl, namespacePath, projectPath, saveLabelData, selectedLabel, showAny, showNo, $sidebarLabelTooltip, initialSelected, $toggleText, fieldName, useId, propertyName, showMenuAbove, $container, $dropdownContainer;
       $dropdown = $(dropdown);
       $dropdownContainer = $dropdown.closest('.labels-filter');
       $toggleText = $dropdown.find('.dropdown-toggle-text');
@@ -53,13 +53,6 @@ export default class LabelsSelect {
         .map(function () {
           return this.value;
         }).get();
-      if (issueUpdateURL != null) {
-        issueURLSplit = issueUpdateURL.split('/');
-      }
-      if (issueUpdateURL) {
-        labelHTMLTemplate = _.template('<% _.each(labels, function(label){ %> <a href="<%- ["",issueURLSplit[1], issueURLSplit[2],""].join("/") %>issues?label_name[]=<%- encodeURIComponent(label.title) %>"> <span class="label has-tooltip color-label" title="<%- label.description %>" style="background-color: <%- label.color %>; color: <%- label.text_color %>;"> <%- label.title %> </span> </a> <% }); %>');
-        labelNoneHTMLTemplate = '<span class="no-value">None</span>';
-      }
       const handleClick = options.handleClick;
 
       $sidebarLabelTooltip.tooltip();
@@ -91,14 +84,17 @@ export default class LabelsSelect {
             $loading.fadeOut();
             $dropdown.trigger('loaded.gl.dropdown');
             $selectbox.hide();
-            data.issueURLSplit = issueURLSplit;
+            data.issueUpdateURL = issueUpdateURL;
             labelCount = 0;
-            if (data.labels.length) {
-              template = labelHTMLTemplate(data);
+            if (data.labels.length && issueUpdateURL) {
+              template = LabelsSelect.getLabelTemplate({
+                labels: data.labels,
+                issueUpdateURL,
+              });
               labelCount = data.labels.length;
             }
             else {
-              template = labelNoneHTMLTemplate;
+              template = '<span class="no-value">None</span>';
             }
             $value.removeAttr('style').html(template);
             $sidebarCollapsedValue.text(labelCount);
@@ -418,6 +414,26 @@ export default class LabelsSelect {
     this.bindEvents();
   }
 
+  static getLabelTemplate(tplData) {
+    // We could use ES6 template string here
+    // and properly indent markup for readability
+    // but that also introduces unintended white-space
+    // so best approach is to use traditional way of
+    // concatenation
+    // see: http://2ality.com/2016/05/template-literal-whitespace.html#joining-arrays
+    const tpl = _.template([
+      '<% _.each(labels, function(label){ %>',
+      '<a href="<%- issueUpdateURL.slice(0, issueUpdateURL.lastIndexOf("/")) %>?label_name[]=<%- encodeURIComponent(label.title) %>">',
+      '<span class="label has-tooltip color-label" title="<%- label.description %>" style="background-color: <%- label.color %>; color: <%- label.text_color %>;">',
+      '<%- label.title %>',
+      '</span>',
+      '</a>',
+      '<% }); %>',
+    ].join(''));
+
+    return tpl(tplData);
+  }
+
   bindEvents() {
     return $('body').on('change', '.selected_issue', this.onSelectCheckboxIssue);
   }

app/assets/javascripts/lib/utils/common_utils.js

+import jQuery from 'jquery';
+import Cookies from 'js-cookie';
 import axios from './axios_utils';
 import { getLocationHash } from './url_utility';
 import { convertToCamelCase } from './text_utility';
@@ -22,13 +24,18 @@ export const getGroupSlug = () => {
   return null;
 };
 
-export const isInIssuePage = () => {
-  const page = getPagePath(1);
-  const action = getPagePath(2);
+export const checkPageAndAction = (page, action) => {
+  const pagePath = getPagePath(1);
+  const actionPath = getPagePath(2);
 
-  return page === 'issues' && action === 'show';
+  return pagePath === page && actionPath === action;
 };
 
+export const isInIssuePage = () => checkPageAndAction('issues', 'show');
+export const isInMRPage = () => checkPageAndAction('merge_requests', 'show');
+export const isInNoteablePage = () => isInIssuePage() || isInMRPage();
+export const hasVueMRDiscussionsCookie = () => Cookies.get('vue_mr_discussions');
+
 export const ajaxGet = url => axios.get(url, {
   params: { format: 'js' },
   responseType: 'text',
@@ -133,7 +140,11 @@ export const isMetaKey = e => e.metaKey || e.ctrlKey || e.altKey || e.shiftKey;
 // 3) Middle-click or Mouse Wheel Click (e.which is 2)
 export const isMetaClick = e => e.metaKey || e.ctrlKey || e.which === 2;
 
-export const scrollToElement = ($el) => {
+export const scrollToElement = (element) => {
+  let $el = element;
+  if (!(element instanceof jQuery)) {
+    $el = $(element);
+  }
   const top = $el.offset().top;
   const mrTabsHeight = $('.merge-request-tabs').height() || 0;
   const headerHeight = $('.navbar-gitlab').height() || 0;

app/assets/javascripts/lib/utils/text_utility.js

@@ -65,6 +65,20 @@ export function capitalizeFirstCharacter(text) {
   return `${text[0].toUpperCase()}${text.slice(1)}`;
 }
 
+export function camelCase(str) {
+  return str.replace(/_+([a-z])/gi, ($1, $2) => $2.toUpperCase());
+}
+
+export function camelCaseKeys(obj = {}) {
+  return Object.keys(obj).reduce((acc, key) => {
+    const camelKey = camelCase(key);
+    return {
+      ...acc,
+      [camelKey]: obj[key],
+    };
+  }, {});
+}
+
 /**
  * Replaces all html tags from a string with the given replacement.
  *

app/assets/javascripts/merge_conflicts/merge_conflicts_bundle.js

@@ -12,7 +12,7 @@ import './components/inline_conflict_lines';
 import './components/parallel_conflict_lines';
 import syntaxHighlight from '../syntax_highlight';
 
-$(() => {
+export default function initMergeConflicts() {
   const INTERACTIVE_RESOLVE_MODE = 'interactive';
   const conflictsEl = document.querySelector('#conflicts');
   const mergeConflictsStore = gl.mergeConflicts.mergeConflictsStore;
@@ -91,4 +91,4 @@ $(() => {
       }
     }
   });
-});
+}

app/assets/javascripts/merge_request_tabs.js

@@ -241,6 +241,10 @@ export default class MergeRequestTabs {
     return newState;
   }
 
+  getCurrentAction() {
+    return this.currentAction;
+  }
+
   loadCommits(source) {
     if (this.commitsLoaded) {
       return;

app/assets/javascripts/mr_notes/index.js

+import Vue from 'vue';
+import notesApp from '../notes/components/notes_app.vue';
+import discussionCounter from '../notes/components/discussion_counter.vue';
+import store from '../notes/stores';
+
+document.addEventListener('DOMContentLoaded', () => {
+  new Vue({ // eslint-disable-line
+    el: '#js-vue-mr-discussions',
+    components: {
+      notesApp,
+    },
+    data() {
+      const notesDataset = document.getElementById('js-vue-mr-discussions').dataset;
+      return {
+        noteableData: JSON.parse(notesDataset.noteableData),
+        currentUserData: JSON.parse(notesDataset.currentUserData),
+        notesData: JSON.parse(notesDataset.notesData),
+      };
+    },
+    render(createElement) {
+      return createElement('notes-app', {
+        props: {
+          noteableData: this.noteableData,
+          notesData: this.notesData,
+          userData: this.currentUserData,
+        },
+      });
+    },
+  });
+
+  new Vue({ // eslint-disable-line
+    el: '#js-vue-discussion-counter',
+    components: {
+      discussionCounter,
+    },
+    store,
+    render(createElement) {
+      return createElement('discussion-counter');
+    },
+  });
+});

app/assets/javascripts/notes/components/comment_form.vue

@@ -2,10 +2,11 @@
   import { mapActions, mapGetters } from 'vuex';
   import _ from 'underscore';
   import Autosize from 'autosize';
-  import { __ } from '~/locale';
+  import { __, sprintf } from '~/locale';
   import Flash from '../../flash';
   import Autosave from '../../autosave';
   import TaskList from '../../task_list';
+  import { capitalizeFirstCharacter, convertToCamelCase } from '../../lib/utils/text_utility';
   import * as constants from '../constants';
   import eventHub from '../event_hub';
   import issueWarning from '../../vue_shared/components/issue/issue_warning.vue';
@@ -29,6 +30,12 @@
     mixins: [
       issuableStateMixin,
     ],
+    props: {
+      noteableType: {
+        type: String,
+        required: true,
+      },
+    },
     data() {
       return {
         note: '',
@@ -43,37 +50,51 @@
         'getUserData',
         'getNoteableData',
         'getNotesData',
-        'issueState',
+        'openState',
       ]),
+      noteableDisplayName() {
+        return this.noteableType.replace(/_/g, ' ');
+      },
       isLoggedIn() {
         return this.getUserData.id;
       },
       commentButtonTitle() {
         return this.noteType === constants.COMMENT ? 'Comment' : 'Start discussion';
       },
-      isIssueOpen() {
-        return this.issueState === constants.OPENED || this.issueState === constants.REOPENED;
+      isOpen() {
+        return this.openState === constants.OPENED || this.openState === constants.REOPENED;
       },
       canCreateNote() {
         return this.getNoteableData.current_user.can_create_note;
       },
       issueActionButtonTitle() {
-        if (this.note.length) {
-          const actionText = this.isIssueOpen ? 'close' : 'reopen';
+        const openOrClose = this.isOpen ? 'close' : 'reopen';
 
-          return this.noteType === constants.COMMENT ?
-            `Comment & ${actionText} issue` :
-            `Start discussion & ${actionText} issue`;
+        if (this.note.length) {
+          return sprintf(
+            __('%{actionText} & %{openOrClose} %{noteable}'),
+            {
+              actionText: this.commentButtonTitle,
+              openOrClose,
+              noteable: this.noteableDisplayName,
+            },
+          );
         }
 
-        return this.isIssueOpen ? 'Close issue' : 'Reopen issue';
+        return sprintf(
+          __('%{openOrClose} %{noteable}'),
+          {
+            openOrClose: capitalizeFirstCharacter(openOrClose),
+            noteable: this.noteableDisplayName,
+          },
+        );
       },
       actionButtonClassNames() {
         return {
-          'btn-reopen': !this.isIssueOpen,
-          'btn-close': this.isIssueOpen,
-          'js-note-target-close': this.isIssueOpen,
-          'js-note-target-reopen': !this.isIssueOpen,
+          'btn-reopen': !this.isOpen,
+          'btn-close': this.isOpen,
+          'js-note-target-close': this.isOpen,
+          'js-note-target-reopen': !this.isOpen,
         };
       },
       markdownDocsPath() {
@@ -138,7 +159,7 @@
             flashContainer: this.$el,
             data: {
               note: {
-                noteable_type: constants.NOTEABLE_TYPE,
+                noteable_type: this.noteableType,
                 noteable_id: this.getNoteableData.id,
                 note: this.note,
               },
@@ -193,19 +214,29 @@ Please check your network connection and try again.`;
         this.isSubmitting = false;
       },
       toggleIssueState() {
-        if (this.isIssueOpen) {
+        if (this.isOpen) {
           this.closeIssue()
             .then(() => this.enableButton())
             .catch(() => {
               this.enableButton();
-              Flash(__('Something went wrong while closing the issue. Please try again later'));
+              Flash(
+                sprintf(
+                  __('Something went wrong while closing the %{issuable}. Please try again later'),
+                  { issuable: this.noteableDisplayName },
+                ),
+              );
             });
         } else {
           this.reopenIssue()
             .then(() => this.enableButton())
             .catch(() => {
               this.enableButton();
-              Flash(__('Something went wrong while reopening the issue. Please try again later'));
+              Flash(
+                sprintf(
+                  __('Something went wrong while reopening the %{issuable}. Please try again later'),
+                  { issuable: this.noteableDisplayName },
+                ),
+              );
             });
         }
       },
@@ -221,7 +252,6 @@ Please check your network connection and try again.`;
           this.$refs.markdownField.previewMarkdown = false;
         }
 
-        // reset autostave
         this.autosave.reset();
       },
       setNoteType(type) {
@@ -240,10 +270,11 @@ Please check your network connection and try again.`;
       },
       initAutoSave() {
         if (this.isLoggedIn) {
+          const noteableType = capitalizeFirstCharacter(convertToCamelCase(this.noteableType));
+
           this.autosave = new Autosave(
             $(this.$refs.textarea),
-            ['Note', 'Issue', this.getNoteableData.id],
-            'issue',
+            ['Note', noteableType, this.getNoteableData.id],
           );
         }
       },
@@ -331,7 +362,7 @@ append-right-10 comment-type-dropdown js-comment-type-dropdown droplab-dropdown"
                     :disabled="isSubmitButtonDisabled"
                     class="btn btn-create comment-btn js-comment-button js-comment-submit-button"
                     type="submit">
-                    {{ commentButtonTitle }}
+                    {{ __(commentButtonTitle) }}
                   </button>
                   <button
                     :disabled="isSubmitButtonDisabled"
@@ -359,7 +390,7 @@ append-right-10 comment-type-dropdown js-comment-type-dropdown droplab-dropdown"
                         <div class="description">
                           <strong>Comment</strong>
                           <p>
-                            Add a general comment to this issue.
+                            Add a general comment to this {{ noteableDisplayName }}.
                           </p>
                         </div>
                       </button>

app/assets/javascripts/notes/components/diff_file_header.vue

+<script>
+  import ClipboardButton from '~/vue_shared/components/clipboard_button.vue';
+  import Icon from '~/vue_shared/components/icon.vue';
+
+  export default {
+    components: {
+      ClipboardButton,
+      Icon,
+    },
+    props: {
+      diffFile: {
+        type: Object,
+        required: true,
+      },
+    },
+    computed: {
+      titleTag() {
+        return this.diffFile.discussionPath ? 'a' : 'span';
+      },
+    },
+  };
+</script>
+
+<template>
+  <div class="file-header-content">
+    <div
+      v-if="diffFile.submodule"
+    >
+      <span>
+        <icon name="archive" />
+        <strong
+          v-html="diffFile.submoduleLink"
+          class="file-title-name"
+        ></strong>
+        <clipboard-button
+          title="Copy file path to clipboard"
+          :text="diffFile.submoduleLink"
+        />
+      </span>
+    </div>
+    <template v-else>
+      <component
+        ref="titleWrapper"
+        :is="titleTag"
+        :href="diffFile.discussionPath"
+      >
+        <span v-html="diffFile.blobIcon"></span>
+        <span v-if="diffFile.renamedFile">
+          <strong
+            class="file-title-name has-tooltip"
+            :title="diffFile.oldPath"
+            data-container="body"
+          >
+            {{ diffFile.oldPath }}
+          </strong>
+          &rarr;
+          <strong
+            class="file-title-name has-tooltip"
+            :title="diffFile.newPath"
+            data-container="body"
+          >
+            {{ diffFile.newPath }}
+          </strong>
+        </span>
+
+        <strong
+          v-else
+          class="file-title-name has-tooltip"
+          :title="diffFile.oldPath"
+          data-container="body"
+        >
+          {{ diffFile.filePath }}
+          <span v-if="diffFile.deletedFile">
+            deleted
+          </span>
+        </strong>
+      </component>
+
+      <clipboard-button
+        title="Copy file path to clipboard"
+        :text="diffFile.filePath"
+      />
+
+      <small
+        v-if="diffFile.modeChanged"
+        ref="fileMode"
+      >
+        {{ diffFile.aMode }} → {{ diffFile.bMode }}
+      </small>
+    </template>
+  </div>
+</template>

app/assets/javascripts/notes/components/diff_with_note.vue

+<script>
+  import syntaxHighlight from '~/syntax_highlight';
+  import imageDiffHelper from '~/image_diff/helpers/index';
+  import { convertObjectPropsToCamelCase } from '~/lib/utils/common_utils';
+  import DiffFileHeader from './diff_file_header.vue';
+
+  export default {
+    components: {
+      DiffFileHeader,
+    },
+    props: {
+      discussion: {
+        type: Object,
+        required: true,
+      },
+    },
+    computed: {
+      isImageDiff() {
+        return !this.diffFile.text;
+      },
+      diffFileClass() {
+        const { text } = this.diffFile;
+        return text ? 'text-file' : 'js-image-file';
+      },
+      diffRows() {
+        return $(this.discussion.truncatedDiffLines);
+      },
+      diffFile() {
+        return convertObjectPropsToCamelCase(this.discussion.diffFile);
+      },
+      imageDiffHtml() {
+        return this.discussion.imageDiffHtml;
+      },
+    },
+    mounted() {
+      if (this.isImageDiff) {
+        const canCreateNote = false;
+        const renderCommentBadge = true;
+        imageDiffHelper.initImageDiff(this.$refs.fileHolder, canCreateNote, renderCommentBadge);
+      } else {
+        const fileHolder = $(this.$refs.fileHolder);
+        this.$nextTick(() => {
+          syntaxHighlight(fileHolder);
+        });
+      }
+    },
+    methods: {
+      rowTag(html) {
+        return html.outerHTML ? 'tr' : 'template';
+      },
+    },
+  };
+</script>
+
+<template>
+  <div
+    ref="fileHolder"
+    class="diff-file file-holder"
+    :class="diffFileClass"
+  >
+    <div class="js-file-title file-title file-title-flex-parent">
+      <diff-file-header
+        :diff-file="diffFile"
+      />
+    </div>
+    <div
+      v-if="diffFile.text"
+      class="diff-content code js-syntax-highlight"
+    >
+      <table>
+        <component
+          :is="rowTag(html)"
+          :class="html.className"
+          v-for="(html, index) in diffRows"
+          v-html="html.outerHTML"
+          :key="index"
+        />
+        <tr class="notes_holder">
+          <td
+            class="notes_line"
+            colspan="2"
+          ></td>
+          <td class="notes_content">
+            <slot></slot>
+          </td>
+        </tr>
+      </table>
+    </div>
+    <div
+      v-else
+    >
+      <div v-html="imageDiffHtml"></div>
+      <slot></slot>
+    </div>
+  </div>
+</template>

app/assets/javascripts/notes/components/discussion_counter.vue

+<script>
+  import { mapGetters } from 'vuex';
+  import resolveSvg from 'icons/_icon_resolve_discussion.svg';
+  import resolvedSvg from 'icons/_icon_status_success_solid.svg';
+  import mrIssueSvg from 'icons/_icon_mr_issue.svg';
+  import nextDiscussionSvg from 'icons/_next_discussion.svg';
+  import { pluralize } from '../../lib/utils/text_utility';
+  import { scrollToElement } from '../../lib/utils/common_utils';
+  import tooltip from '../../vue_shared/directives/tooltip';
+
+  export default {
+    directives: {
+      tooltip,
+    },
+    computed: {
+      ...mapGetters([
+        'getUserData',
+        'getNoteableData',
+        'discussionCount',
+        'unresolvedDiscussions',
+        'resolvedDiscussionCount',
+      ]),
+      isLoggedIn() {
+        return this.getUserData.id;
+      },
+      hasNextButton() {
+        return this.isLoggedIn && !this.allResolved;
+      },
+      countText() {
+        return pluralize('discussion', this.discussionCount);
+      },
+      allResolved() {
+        return this.resolvedDiscussionCount === this.discussionCount;
+      },
+      resolveAllDiscussionsIssuePath() {
+        return this.getNoteableData.create_issue_to_resolve_discussions_path;
+      },
+      firstUnresolvedDiscussionId() {
+        const item = this.unresolvedDiscussions[0] || {};
+
+        return item.id;
+      },
+    },
+    created() {
+      this.resolveSvg = resolveSvg;
+      this.resolvedSvg = resolvedSvg;
+      this.mrIssueSvg = mrIssueSvg;
+      this.nextDiscussionSvg = nextDiscussionSvg;
+    },
+    methods: {
+      jumpToFirstDiscussion() {
+        const el = document.querySelector(`[data-discussion-id="${this.firstUnresolvedDiscussionId}"]`);
+        const activeTab = window.mrTabs.currentAction;
+
+        if (activeTab === 'commits' || activeTab === 'pipelines') {
+          window.mrTabs.activateTab('show');
+        }
+
+        if (el) {
+          scrollToElement(el);
+        }
+      },
+    },
+  };
+</script>
+
+<template>
+  <div class="line-resolve-all-container prepend-top-10">
+    <div>
+      <div
+        v-if="discussionCount > 0"
+        :class="{ 'has-next-btn': hasNextButton }"
+        class="line-resolve-all">
+        <span
+          :class="{ 'is-active': allResolved }"
+          class="line-resolve-btn is-disabled"
+          type="button">
+          <span
+            v-if="allResolved"
+            v-html="resolvedSvg"
+          ></span>
+          <span
+            v-else
+            v-html="resolveSvg"
+          ></span>
+        </span>
+        <span class=".line-resolve-text">
+          {{ resolvedDiscussionCount }}/{{ discussionCount }} {{ countText }} resolved
+        </span>
+      </div>
+      <div
+        v-if="resolveAllDiscussionsIssuePath && !allResolved"
+        class="btn-group"
+        role="group">
+        <a
+          :href="resolveAllDiscussionsIssuePath"
+          v-tooltip
+          title="Resolve all discussions in new issue"
+          data-container="body"
+          class="new-issue-for-discussion btn btn-default discussion-create-issue-btn">
+          <span v-html="mrIssueSvg"></span>
+        </a>
+      </div>
+      <div
+        v-if="isLoggedIn && !allResolved"
+        class="btn-group"
+        role="group">
+        <button
+          @click="jumpToFirstDiscussion"
+          v-tooltip
+          title="Jump to first unresolved discussion"
+          data-container="body"
+          class="btn btn-default discussion-next-btn">
+          <span v-html="nextDiscussionSvg"></span>
+        </button>
+      </div>
+    </div>
+  </div>
+</template>

app/assets/javascripts/notes/components/note_actions.vue

@@ -4,6 +4,8 @@
   import emojiSmile from 'icons/_emoji_smile.svg';
   import emojiSmiley from 'icons/_emoji_smiley.svg';
   import editSvg from 'icons/_icon_pencil.svg';
+  import resolveDiscussionSvg from 'icons/_icon_resolve_discussion.svg';
+  import resolvedDiscussionSvg from 'icons/_icon_status_success_solid.svg';
   import ellipsisSvg from 'icons/_ellipsis_v.svg';
   import loadingIcon from '~/vue_shared/components/loading_icon.vue';
   import tooltip from '~/vue_shared/directives/tooltip';
@@ -42,6 +44,26 @@
         type: Boolean,
         required: true,
       },
+      resolvable: {
+        type: Boolean,
+        required: false,
+        default: false,
+      },
+      isResolved: {
+        type: Boolean,
+        required: false,
+        default: false,
+      },
+      isResolving: {
+        type: Boolean,
+        required: false,
+        default: false,
+      },
+      resolvedBy: {
+        type: Object,
+        required: false,
+        default: () => ({}),
+      },
       canReportAsAbuse: {
         type: Boolean,
         required: true,
@@ -63,6 +85,15 @@
       currentUserId() {
         return this.getUserDataByProp('id');
       },
+      resolveButtonTitle() {
+        let title = 'Mark as resolved';
+
+        if (this.resolvedBy) {
+          title = `Resolved by ${this.resolvedBy.name}`;
+        }
+
+        return title;
+      },
     },
     created() {
       this.emojiSmiling = emojiSmiling;
@@ -70,6 +101,8 @@
       this.emojiSmiley = emojiSmiley;
       this.editSvg = editSvg;
       this.ellipsisSvg = ellipsisSvg;
+      this.resolveDiscussionSvg = resolveDiscussionSvg;
+      this.resolvedDiscussionSvg = resolvedDiscussionSvg;
     },
     methods: {
       onEdit() {
@@ -78,6 +111,9 @@
       onDelete() {
         this.$emit('handleDelete');
       },
+      onResolve() {
+        this.$emit('handleResolve');
+      },
     },
   };
 </script>
@@ -89,6 +125,31 @@
       class="note-role user-access-role">
       {{ accessLevel }}
     </span>
+    <div
+      v-if="resolvable"
+      class="note-actions-item">
+      <button
+        v-tooltip
+        @click="onResolve"
+        :class="{ 'is-disabled': !resolvable, 'is-active': isResolved }"
+        :title="resolveButtonTitle"
+        :aria-label="resolveButtonTitle"
+        type="button"
+        class="line-resolve-btn note-action-button">
+        <template v-if="!isResolving">
+          <div
+            v-if="isResolved"
+            v-html="resolvedDiscussionSvg"></div>
+          <div
+            v-else
+            v-html="resolveDiscussionSvg"></div>
+        </template>
+        <loading-icon
+          v-else
+          :inline="true"
+        />
+      </button>
+    </div>
     <div
       v-if="canAddAwardEmoji"
       class="note-actions-item">

app/assets/javascripts/notes/components/note_body.vue

@@ -41,7 +41,7 @@
       this.initTaskList();
 
       if (this.isEditing) {
-        this.initAutoSave();
+        this.initAutoSave(this.note.noteable_type);
       }
     },
     updated() {
@@ -50,7 +50,7 @@
 
       if (this.isEditing) {
         if (!this.autosave) {
-          this.initAutoSave();
+          this.initAutoSave(this.note.noteable_type);
         } else {
           this.setAutoSave();
         }

app/assets/javascripts/notes/components/note_form.vue

 <script>
-  import { mapGetters } from 'vuex';
+  import { mapGetters, mapActions } from 'vuex';
   import eventHub from '../event_hub';
   import issueWarning from '../../vue_shared/components/issue/issue_warning.vue';
   import markdownField from '../../vue_shared/components/markdown/field.vue';
   import issuableStateMixin from '../mixins/issuable_state';
+  import resolvable from '../mixins/resolvable';
 
   export default {
     name: 'IssueNoteForm',
@@ -13,6 +14,7 @@
     },
     mixins: [
       issuableStateMixin,
+      resolvable,
     ],
     props: {
       noteBody: {
@@ -30,7 +32,7 @@
         required: false,
         default: 'Save comment',
       },
-      discussion: {
+      note: {
         type: Object,
         required: false,
         default: () => ({}),
@@ -42,9 +44,11 @@
     },
     data() {
       return {
-        note: this.noteBody,
+        updatedNoteBody: this.noteBody,
         conflictWhileEditing: false,
         isSubmitting: false,
+        isResolving: false,
+        resolveAsThread: true,
       };
     },
     computed: {
@@ -71,13 +75,13 @@
         return this.getUserDataByProp('id');
       },
       isDisabled() {
-        return !this.note.length || this.isSubmitting;
+        return !this.updatedNoteBody.length || this.isSubmitting;
       },
     },
     watch: {
       noteBody() {
-        if (this.note === this.noteBody) {
-          this.note = this.noteBody;
+        if (this.updatedNoteBody === this.noteBody) {
+          this.updatedNoteBody = this.noteBody;
         } else {
           this.conflictWhileEditing = true;
         }
@@ -87,16 +91,24 @@
       this.$refs.textarea.focus();
     },
     methods: {
-      handleUpdate() {
+      ...mapActions([
+        'toggleResolveNote',
+      ]),
+      handleUpdate(shouldResolve) {
+        const beforeSubmitDiscussionState = this.discussionResolved;
         this.isSubmitting = true;
 
-        this.$emit('handleFormUpdate', this.note, this.$refs.editNoteForm, () => {
+        this.$emit('handleFormUpdate', this.updatedNoteBody, this.$refs.editNoteForm, () => {
           this.isSubmitting = false;
+
+          if (shouldResolve) {
+            this.resolveHandler(beforeSubmitDiscussionState);
+          }
         });
       },
       editMyLastNote() {
-        if (this.note === '') {
-          const lastNoteInDiscussion = this.getDiscussionLastNote(this.discussion);
+        if (this.updatedNoteBody === '') {
+          const lastNoteInDiscussion = this.getDiscussionLastNote(this.updatedNoteBody);
 
           if (lastNoteInDiscussion) {
             eventHub.$emit('enterEditMode', {
@@ -107,7 +119,7 @@
       },
       cancelHandler(shouldConfirm = false) {
         // Sends information about confirm message and if the textarea has changed
-        this.$emit('cancelFormEdition', shouldConfirm, this.noteBody !== this.note);
+        this.$emit('cancelFormEdition', shouldConfirm, this.noteBody !== this.updatedNoteBody);
       },
     },
   };
@@ -150,7 +162,7 @@
 js-autosize markdown-area js-vue-issue-note-form js-vue-textarea"
           :data-supports-quick-actions="!isEditing"
           aria-label="Description"
-          v-model="note"
+          v-model="updatedNoteBody"
           ref="textarea"
           slot="textarea"
           placeholder="Write a comment or drag your files here..."
@@ -168,6 +180,13 @@ js-autosize markdown-area js-vue-issue-note-form js-vue-textarea"
           class="js-vue-issue-save btn btn-save">
           {{ saveButtonTitle }}
         </button>
+        <button
+          v-if="note.resolvable"
+          @click.prevent="handleUpdate(true)"
+          class="btn btn-nr btn-default append-right-10 js-comment-resolve-button"
+        >
+          {{ resolveButtonTitle }}
+        </button>
         <button
           @click="cancelHandler()"
           class="btn btn-cancel note-edit-cancel"

app/assets/javascripts/notes/components/note_header.vue

@@ -34,15 +34,15 @@
         required: false,
         default: false,
       },
-    },
-    data() {
-      return {
-        isExpanded: true,
-      };
+      expanded: {
+        type: Boolean,
+        required: false,
+        default: true,
+      },
     },
     computed: {
       toggleChevronClass() {
-        return this.isExpanded ? 'fa-chevron-up' : 'fa-chevron-down';
+        return this.expanded ? 'fa-chevron-up' : 'fa-chevron-down';
       },
       noteTimestampLink() {
         return `#note_${this.noteId}`;
@@ -53,7 +53,6 @@
         'setTargetNoteHash',
       ]),
       handleToggle() {
-        this.isExpanded = !this.isExpanded;
         this.$emit('toggleHandler');
       },
       updateTargetNoteHash() {

app/assets/javascripts/notes/components/noteable_note.vue

@@ -7,6 +7,8 @@
   import noteActions from './note_actions.vue';
   import noteBody from './note_body.vue';
   import eventHub from '../event_hub';
+  import noteable from '../mixins/noteable';
+  import resolvable from '../mixins/resolvable';
 
   export default {
     components: {
@@ -15,6 +17,10 @@
       noteActions,
       noteBody,
     },
+    mixins: [
+      noteable,
+      resolvable,
+    ],
     props: {
       note: {
         type: Object,
@@ -26,6 +32,7 @@
         isEditing: false,
         isDeleting: false,
         isRequesting: false,
+        isResolving: false,
       };
     },
     computed: {
@@ -65,6 +72,7 @@
       ...mapActions([
         'deleteNote',
         'updateNote',
+        'toggleResolveNote',
         'scrollToNoteIfNeeded',
       ]),
       editHandler() {
@@ -89,7 +97,7 @@
         const data = {
           endpoint: this.note.path,
           note: {
-            target_type: 'issue',
+            target_type: this.noteableType,
             target_id: this.note.noteable_id,
             note: { note: noteText },
           },
@@ -134,7 +142,7 @@
         // we need to do this to prevent noteForm inconsistent content warning
         // this is something we intentionally do so we need to recover the content
         this.note.note = noteText;
-        this.$refs.noteBody.$refs.noteForm.note = noteText;
+        this.$refs.noteBody.$refs.noteForm.note.note = noteText;
       },
     },
   };
@@ -171,8 +179,13 @@
             :can-delete="note.current_user.can_edit"
             :can-report-as-abuse="canReportAsAbuse"
             :report-abuse-path="note.report_abuse_path"
+            :resolvable="note.resolvable"
+            :is-resolved="note.resolved"
+            :is-resolving="isResolving"
+            :resolved-by="note.resolved_by"
             @handleEdit="editHandler"
             @handleDelete="deleteHandler"
+            @handleResolve="resolveHandler"
           />
         </div>
         <note-body

app/assets/javascripts/notes/components/notes_app.vue

@@ -11,6 +11,7 @@
   import placeholderNote from '../../vue_shared/components/notes/placeholder_note.vue';
   import placeholderSystemNote from '../../vue_shared/components/notes/placeholder_system_note.vue';
   import loadingIcon from '../../vue_shared/components/loading_icon.vue';
+  import skeletonLoadingContainer from '../../vue_shared/components/notes/skeleton_note.vue';
 
   export default {
     name: 'NotesApp',
@@ -48,7 +49,24 @@
       ...mapGetters([
         'notes',
         'getNotesDataByProp',
+        'discussionCount',
       ]),
+      noteableType() {
+        // FIXME -- @fatihacet Get this from JSON data.
+        const { ISSUE_NOTEABLE_TYPE, MERGE_REQUEST_NOTEABLE_TYPE } = constants;
+
+        return this.noteableData.merge_params ? MERGE_REQUEST_NOTEABLE_TYPE : ISSUE_NOTEABLE_TYPE;
+      },
+      allNotes() {
+        if (this.isLoading) {
+          const totalNotes = parseInt(this.notesData.totalNotes, 10) || 0;
+
+          return new Array(totalNotes).fill({
+            isSkeletonNote: true,
+          });
+        }
+        return this.notes;
+      },
     },
     created() {
       this.setNotesData(this.notesData);
@@ -67,6 +85,10 @@
           this.actionToggleAward({ awardName, noteId });
         });
       }
+      document.addEventListener('refreshVueNotes', this.fetchNotes);
+    },
+    beforeDestroy() {
+      document.removeEventListener('refreshVueNotes', this.fetchNotes);
     },
     methods: {
       ...mapActions({
@@ -81,6 +103,9 @@
         setTargetNoteHash: 'setTargetNoteHash',
       }),
       getComponentName(note) {
+        if (note.isSkeletonNote) {
+          return skeletonLoadingContainer;
+        }
         if (note.isPlaceholderNote) {
           if (note.placeholderType === constants.SYSTEM_NOTE) {
             return placeholderSystemNote;
@@ -109,9 +134,14 @@
           });
       },
       initPolling() {
+        if (this.isPollingInitialized) {
+          return;
+        }
+
         this.setLastFetchedAt(this.getNotesDataByProp('lastFetchedAt'));
 
         this.poll();
+        this.isPollingInitialized = true;
       },
       checkLocationHash() {
         const hash = getLocationHash();
@@ -128,25 +158,20 @@
 
 <template>
   <div id="notes">
-    <div
-      v-if="isLoading"
-      class="js-loading loading">
-      <loading-icon />
-    </div>
-
     <ul
-      v-if="!isLoading"
       id="notes-list"
       class="notes main-notes-list timeline">
 
       <component
-        v-for="note in notes"
+        v-for="note in allNotes"
         :is="getComponentName(note)"
         :note="getComponentData(note)"
         :key="note.id"
       />
     </ul>
 
-    <comment-form />
+    <comment-form
+      :noteable-type="noteableType"
+    />
   </div>
 </template>

app/assets/javascripts/notes/constants.js

 export const DISCUSSION_NOTE = 'DiscussionNote';
+export const DIFF_NOTE = 'DiffNote';
 export const DISCUSSION = 'discussion';
 export const NOTE = 'note';
 export const SYSTEM_NOTE = 'systemNote';
@@ -8,4 +9,7 @@ export const REOPENED = 'reopened';
 export const CLOSED = 'closed';
 export const EMOJI_THUMBSUP = 'thumbsup';
 export const EMOJI_THUMBSDOWN = 'thumbsdown';
-export const NOTEABLE_TYPE = 'Issue';
+export const ISSUE_NOTEABLE_TYPE = 'issue';
+export const MERGE_REQUEST_NOTEABLE_TYPE = 'merge_request';
+export const UNRESOLVE_NOTE_METHOD_NAME = 'delete';
+export const RESOLVE_NOTE_METHOD_NAME = 'post';

app/assets/javascripts/notes/index.js

@@ -20,17 +20,7 @@ document.addEventListener('DOMContentLoaded', () => new Vue({
     return {
       noteableData: JSON.parse(notesDataset.noteableData),
       currentUserData,
-      notesData: {
-        lastFetchedAt: notesDataset.lastFetchedAt,
-        discussionsPath: notesDataset.discussionsPath,
-        newSessionPath: notesDataset.newSessionPath,
-        registerPath: notesDataset.registerPath,
-        notesPath: notesDataset.notesPath,
-        markdownDocsPath: notesDataset.markdownDocsPath,
-        quickActionsDocsPath: notesDataset.quickActionsDocsPath,
-        closeIssuePath: notesDataset.closeIssuePath,
-        reopenIssuePath: notesDataset.reopenIssuePath,
-      },
+      notesData: JSON.parse(notesDataset.notesData),
     };
   },
   render(createElement) {

app/assets/javascripts/notes/mixins/autosave.js

 import Autosave from '../../autosave';
+import { capitalizeFirstCharacter } from '../../lib/utils/text_utility';
 
 export default {
   methods: {
-    initAutoSave() {
-      this.autosave = new Autosave($(this.$refs.noteForm.$refs.textarea), ['Note', 'Issue', this.note.id], 'issue');
+    initAutoSave(noteableType) {
+      this.autosave = new Autosave($(this.$refs.noteForm.$refs.textarea), ['Note', capitalizeFirstCharacter(noteableType), this.note.id]);
     },
     resetAutoSave() {
       this.autosave.reset();

app/assets/javascripts/notes/mixins/noteable.js

+import * as constants from '../constants';
+
+export default {
+  props: {
+    note: {
+      type: Object,
+      required: true,
+    },
+  },
+  computed: {
+    noteableType() {
+      switch (this.note.noteable_type) {
+        case 'MergeRequest':
+          return constants.MERGE_REQUEST_NOTEABLE_TYPE;
+        case 'Issue':
+          return constants.ISSUE_NOTEABLE_TYPE;
+        default:
+          return '';
+      }
+    },
+  },
+};

app/assets/javascripts/notes/mixins/resolvable.js

+import Flash from '~/flash';
+import { __ } from '~/locale';
+
+export default {
+  props: {
+    note: {
+      type: Object,
+      required: true,
+    },
+  },
+  computed: {
+    discussionResolved() {
+      const { notes, resolved } = this.note;
+
+      if (notes) { // Decide resolved state using store. Only valid for discussions.
+        return notes.every(note => note.resolved && !note.system);
+      }
+
+      return resolved;
+    },
+    resolveButtonTitle() {
+      if (this.updatedNoteBody) {
+        if (this.discussionResolved) {
+          return __('Comment and unresolve discussion');
+        }
+
+        return __('Comment and resolve discussion');
+      }
+      return this.discussionResolved ? __('Unresolve discussion') : __('Resolve discussion');
+    },
+  },
+  methods: {
+    resolveHandler(resolvedState = false) {
+      this.isResolving = true;
+      const endpoint = this.note.resolve_path || `${this.note.path}/resolve`;
+      const isResolved = this.discussionResolved || resolvedState;
+      const discussion = this.resolveAsThread;
+
+      this.toggleResolveNote({ endpoint, isResolved, discussion })
+        .then(() => {
+          this.isResolving = false;
+        })
+        .catch(() => {
+          this.isResolving = false;
+          const msg = __('Something went wrong while resolving this discussion. Please try again.');
+          Flash(msg, 'alert', this.$el);
+        });
+    },
+  },
+};

app/assets/javascripts/notes/services/notes_service.js

 import Vue from 'vue';
 import VueResource from 'vue-resource';
+import * as constants from '../constants';
 
 Vue.use(VueResource);
 
@@ -19,6 +20,12 @@ export default {
   createNewNote(endpoint, data) {
     return Vue.http.post(endpoint, data, { emulateJSON: true });
   },
+  toggleResolveNote(endpoint, isResolved) {
+    const { RESOLVE_NOTE_METHOD_NAME, UNRESOLVE_NOTE_METHOD_NAME } = constants;
+    const method = isResolved ? UNRESOLVE_NOTE_METHOD_NAME : RESOLVE_NOTE_METHOD_NAME;
+
+    return Vue.http[method](endpoint);
+  },
   poll(data = {}) {
     const { endpoint, lastFetchedAt } = data;
     const options = {

app/assets/javascripts/notes/stores/actions.js

@@ -61,8 +61,17 @@ export const createNewNote = ({ commit }, { endpoint, data }) => service
 export const removePlaceholderNotes = ({ commit }) =>
   commit(types.REMOVE_PLACEHOLDER_NOTES);
 
+export const toggleResolveNote = ({ commit }, { endpoint, isResolved, discussion }) => service
+  .toggleResolveNote(endpoint, isResolved)
+  .then(res => res.json())
+  .then((res) => {
+    const mutationType = discussion ? types.UPDATE_DISCUSSION : types.UPDATE_NOTE;
+
+    commit(mutationType, res);
+  });
+
 export const closeIssue = ({ commit, dispatch, state }) => service
-  .toggleIssueState(state.notesData.closeIssuePath)
+  .toggleIssueState(state.notesData.closePath)
   .then(res => res.json())
   .then((data) => {
     commit(types.CLOSE_ISSUE);
@@ -70,7 +79,7 @@ export const closeIssue = ({ commit, dispatch, state }) => service
   });
 
 export const reopenIssue = ({ commit, dispatch, state }) => service
-  .toggleIssueState(state.notesData.reopenIssuePath)
+  .toggleIssueState(state.notesData.reopenPath)
   .then(res => res.json())
   .then((data) => {
     commit(types.REOPEN_ISSUE);
@@ -80,7 +89,7 @@ export const reopenIssue = ({ commit, dispatch, state }) => service
 export const emitStateChangedEvent = ({ commit, getters }, data) => {
   const event = new CustomEvent('issuable_vue_app:change', { detail: {
     data,
-    isClosed: getters.issueState === constants.CLOSED,
+    isClosed: getters.openState === constants.CLOSED,
   } });
 
   document.dispatchEvent(event);
@@ -174,7 +183,7 @@ const pollSuccessCallBack = (resp, commit, state, getters) => {
     resp.notes.forEach((note) => {
       if (notesById[note.id]) {
         commit(types.UPDATE_NOTE, note);
-      } else if (note.type === constants.DISCUSSION_NOTE) {
+      } else if (note.type === constants.DISCUSSION_NOTE || note.type === constants.DIFF_NOTE) {
         const discussion = utils.findNoteObjectById(state.notes, note.discussion_id);
 
         if (discussion) {

app/assets/javascripts/notes/stores/getters.js

@@ -8,7 +8,7 @@ export const getNotesDataByProp = state => prop => state.notesData[prop];
 
 export const getNoteableData = state => state.noteableData;
 export const getNoteableDataByProp = state => prop => state.noteableData[prop];
-export const issueState = state => state.noteableData.state;
+export const openState = state => state.noteableData.state;
 
 export const getUserData = state => state.userData || {};
 export const getUserDataByProp = state => prop => state.userData && state.userData[prop];
@@ -30,3 +30,37 @@ export const getCurrentUserLastNote = state => _.flatten(
 
 export const getDiscussionLastNote = state => discussion => reverseNotes(discussion.notes)
   .find(el => isLastNote(el, state));
+
+export const discussionCount = (state) => {
+  const discussions = state.notes.filter(n => !n.individual_note);
+
+  return discussions.length;
+};
+
+export const unresolvedDiscussions = (state, getters) => {
+  const resolvedMap = getters.resolvedDiscussionsById;
+
+  return state.notes.filter(n => !n.individual_note && !resolvedMap[n.id]);
+};
+
+export const resolvedDiscussionsById = (state) => {
+  const map = {};
+
+  state.notes.forEach((n) => {
+    if (n.notes) {
+      const resolved = n.notes.every(note => note.resolved && !note.system);
+
+      if (resolved) {
+        map[n.id] = n;
+      }
+    }
+  });
+
+  return map;
+};
+
+export const resolvedDiscussionCount = (state, getters) => {
+  const resolvedMap = getters.resolvedDiscussionsById;
+
+  return Object.keys(resolvedMap).length;
+};

app/assets/javascripts/notes/stores/mutation_types.js

@@ -12,6 +12,7 @@ export const SHOW_PLACEHOLDER_NOTE = 'SHOW_PLACEHOLDER_NOTE';
 export const TOGGLE_AWARD = 'TOGGLE_AWARD';
 export const TOGGLE_DISCUSSION = 'TOGGLE_DISCUSSION';
 export const UPDATE_NOTE = 'UPDATE_NOTE';
+export const UPDATE_DISCUSSION = 'UPDATE_DISCUSSION';
 
 // Issue
 export const CLOSE_ISSUE = 'CLOSE_ISSUE';

app/assets/javascripts/notes/stores/mutations.js

 import * as utils from './utils';
 import * as types from './mutation_types';
 import * as constants from '../constants';
+import { isInMRPage } from '../../lib/utils/common_utils';
 
 export default {
   [types.ADD_NEW_NOTE](state, note) {
     const { discussion_id, type } = note;
     const [exists] = state.notes.filter(n => n.id === note.discussion_id);
+    const isDiscussion = (type === constants.DISCUSSION_NOTE);
 
     if (!exists) {
       const noteData = {
         expanded: true,
         id: discussion_id,
-        individual_note: !(type === constants.DISCUSSION_NOTE),
+        individual_note: !isDiscussion,
         notes: [note],
         reply_id: discussion_id,
       };
 
+      if (isDiscussion && isInMRPage()) {
+        noteData.resolvable = note.resolvable;
+        noteData.resolved = false;
+        noteData.resolve_path = note.resolve_path;
+        noteData.resolve_with_issue_path = note.resolve_with_issue_path;
+      }
+
       state.notes.push(noteData);
+      document.dispatchEvent(new CustomEvent('refreshLegacyNotes'));
     }
   },
 
@@ -25,6 +35,7 @@ export default {
 
     if (noteObj) {
       noteObj.notes.push(note);
+      document.dispatchEvent(new CustomEvent('refreshLegacyNotes'));
     }
   },
 
@@ -41,6 +52,8 @@ export default {
         state.notes.splice(state.notes.indexOf(noteObj), 1);
       }
     }
+
+    document.dispatchEvent(new CustomEvent('refreshLegacyNotes'));
   },
 
   [types.REMOVE_PLACEHOLDER_NOTES](state) {
@@ -77,15 +90,19 @@ export default {
     const notes = [];
 
     notesData.forEach((note) => {
+      const nn = Object.assign({}, note);
+
       // To support legacy notes, should be very rare case.
       if (note.individual_note && note.notes.length > 1) {
         note.notes.forEach((n) => {
-          const nn = Object.assign({}, note);
           nn.notes = [n]; // override notes array to only have one item to mimick individual_note
           notes.push(nn);
         });
       } else {
-        notes.push(note);
+        const oldNote = utils.findNoteObjectById(state.notes, note.id);
+        nn.expanded = oldNote ? oldNote.expanded : note.expanded;
+
+        notes.push(nn);
       }
     });
 
@@ -134,6 +151,8 @@ export default {
         user: { id, name, username },
       });
     }
+
+    document.dispatchEvent(new CustomEvent('refreshLegacyNotes'));
   },
 
   [types.TOGGLE_DISCUSSION](state, { discussionId }) {
@@ -151,6 +170,24 @@ export default {
       const comment = utils.findNoteObjectById(noteObj.notes, note.id);
       noteObj.notes.splice(noteObj.notes.indexOf(comment), 1, note);
     }
+
+    // document.dispatchEvent(new CustomEvent('refreshLegacyNotes'));
+  },
+
+  [types.UPDATE_DISCUSSION](state, noteData) {
+    const note = noteData;
+    let index = 0;
+
+    state.notes.forEach((n, i) => {
+      if (n.id === note.id) {
+        index = i;
+      }
+    });
+
+    note.expanded = true; // override expand flag to prevent collapse
+    state.notes.splice(index, 1, note);
+
+    document.dispatchEvent(new CustomEvent('refreshLegacyNotes'));
   },
 
   [types.CLOSE_ISSUE](state) {

app/assets/javascripts/notes/stores/utils.js

@@ -28,4 +28,3 @@ export const getQuickActionText = (note) => {
 export const hasQuickActions = note => REGEX_QUICK_ACTIONS.test(note);
 
 export const stripQuickActions = note => note.replace(REGEX_QUICK_ACTIONS, '').trim();
-

app/assets/javascripts/pages/dashboard/todos/index/todos.js

@@ -2,9 +2,9 @@
 import { visitUrl } from '~/lib/utils/url_utility';
 import UsersSelect from '~/users_select';
 import { isMetaClick } from '~/lib/utils/common_utils';
-import { __ } from '../../../../locale';
-import flash from '../../../../flash';
-import axios from '../../../../lib/utils/axios_utils';
+import { __ } from '~/locale';
+import flash from '~/flash';
+import axios from '~/lib/utils/axios_utils';
 
 export default class Todos {
   constructor() {

app/assets/javascripts/pages/projects/cycle_analytics/show/index.js

+import initCycleAnalytics from '~/cycle_analytics/cycle_analytics_bundle';
+
+document.addEventListener('DOMContentLoaded', initCycleAnalytics);

app/assets/javascripts/pages/projects/merge_requests/conflicts/index.js

 import initSidebarBundle from '~/sidebar/sidebar_bundle';
+import initMergeConflicts from '~/merge_conflicts/merge_conflicts_bundle';
 
-document.addEventListener('DOMContentLoaded', initSidebarBundle);
+document.addEventListener('DOMContentLoaded', () => {
+  initSidebarBundle();
+  initMergeConflicts();
+});

app/assets/javascripts/pages/projects/merge_requests/conflicts/show/index.js

-import initSidebarBundle from '~/sidebar/sidebar_bundle';
-
-document.addEventListener('DOMContentLoaded', initSidebarBundle);

app/assets/javascripts/pages/projects/merge_requests/show/index.js

@@ -22,7 +22,6 @@ document.addEventListener('DOMContentLoaded', () => {
   initPipelines();
 
   const mrShowNode = document.querySelector('.merge-request');
-
   window.mergeRequest = new MergeRequest({
     action: mrShowNode.dataset.mrAction,
   });

app/assets/javascripts/pages/projects/snippets/edit/index.js

+import initSnippet from '~/snippet/snippet_bundle';
 import initForm from '~/pages/projects/init_form';
 
-document.addEventListener('DOMContentLoaded', () => initForm($('.snippet-form')));
+document.addEventListener('DOMContentLoaded', () => {
+  initSnippet();
+  initForm($('.snippet-form'));
+});

app/assets/javascripts/pages/projects/snippets/new/index.js

+import initSnippet from '~/snippet/snippet_bundle';
 import initForm from '~/pages/projects/init_form';
 
-document.addEventListener('DOMContentLoaded', () => initForm($('.snippet-form')));
+document.addEventListener('DOMContentLoaded', () => {
+  initSnippet();
+  initForm($('.snippet-form'));
+});

app/assets/javascripts/pages/snippets/edit/index.js

+import initSnippet from '~/snippet/snippet_bundle';
 import form from '../form';
 
-document.addEventListener('DOMContentLoaded', form);
+document.addEventListener('DOMContentLoaded', () => {
+  initSnippet();
+  form();
+});

app/assets/javascripts/pages/snippets/new/index.js

+import initSnippet from '~/snippet/snippet_bundle';
 import form from '../form';
 
-document.addEventListener('DOMContentLoaded', form);
+document.addEventListener('DOMContentLoaded', () => {
+  initSnippet();
+  form();
+});

app/assets/javascripts/sidebar/components/assignees/assignees.js → app/assets/javascripts/sidebar/components/assignees/assignees.vue

+<script>
 export default {
   name: 'Assignees',
-  data() {
-    return {
-      defaultRenderCount: 5,
-      defaultMaxCounter: 99,
-      showLess: true,
-    };
-  },
   props: {
     rootPath: {
       type: String,
@@ -21,6 +15,13 @@ export default {
       required: true,
     },
   },
+  data() {
+    return {
+      defaultRenderCount: 5,
+      defaultMaxCounter: 99,
+      showLess: true,
+    };
+  },
   computed: {
     firstUser() {
       return this.users[0];
@@ -101,124 +102,131 @@ export default {
       return index === 0 || firstTwo;
     },
   },
-  template: `
-    <div>
-      <div
-        class="sidebar-collapsed-icon sidebar-collapsed-user"
-        :class="{ 'multiple-users': hasMoreThanOneAssignee, 'has-tooltip': hasAssignees }"
-        data-container="body"
-        data-placement="left"
-        :title="collapsedTooltipTitle"
+};
+</script>
+
+<template>
+  <div>
+    <div
+      class="sidebar-collapsed-icon sidebar-collapsed-user"
+      :class="{ 'multiple-users': hasMoreThanOneAssignee, 'has-tooltip': hasAssignees }"
+      data-container="body"
+      data-placement="left"
+      :title="collapsedTooltipTitle"
+    >
+      <i
+        v-if="hasNoUsers"
+        aria-label="No Assignee"
+        class="fa fa-user"
       >
-        <i
-          v-if="hasNoUsers"
-          aria-label="No Assignee"
-          class="fa fa-user"
+      </i>
+      <button
+        type="button"
+        class="btn-link"
+        v-for="(user, index) in users"
+        v-if="shouldRenderCollapsedAssignee(index)"
+        :key="user.id"
+      >
+        <img
+          width="24"
+          class="avatar avatar-inline s24"
+          :alt="assigneeAlt(user)"
+          :src="avatarUrl(user)"
         />
-        <button
-          type="button"
-          class="btn-link"
-          v-for="(user, index) in users"
-          v-if="shouldRenderCollapsedAssignee(index)"
+        <span class="author">
+          {{ user.name }}
+        </span>
+      </button>
+      <button
+        v-if="hasMoreThanTwoAssignees"
+        class="btn-link"
+        type="button"
+      >
+        <span
+          class="avatar-counter sidebar-avatar-counter"
+        >
+          {{ sidebarAvatarCounter }}
+        </span>
+      </button>
+    </div>
+    <div class="value hide-collapsed">
+      <template v-if="hasNoUsers">
+        <span class="assign-yourself no-value">
+          No assignee
+          <template v-if="editable">
+            -
+            <button
+              type="button"
+              class="btn-link"
+              @click="assignSelf"
+            >
+              assign yourself
+            </button>
+          </template>
+        </span>
+      </template>
+      <template v-else-if="hasOneUser">
+        <a
+          class="author_link bold"
+          :href="assigneeUrl(firstUser)"
         >
           <img
-            width="24"
-            class="avatar avatar-inline s24"
-            :alt="assigneeAlt(user)"
-            :src="avatarUrl(user)"
+            width="32"
+            class="avatar avatar-inline s32"
+            :alt="assigneeAlt(firstUser)"
+            :src="avatarUrl(firstUser)"
           />
           <span class="author">
-            {{ user.name }}
+            {{ firstUser.name }}
           </span>
-        </button>
-        <button
-          v-if="hasMoreThanTwoAssignees"
-          class="btn-link"
-          type="button"
-        >
-          <span
-            class="avatar-counter sidebar-avatar-counter"
-          >
-            {{ sidebarAvatarCounter }}
+          <span class="username">
+            {{ assigneeUsername(firstUser) }}
           </span>
-        </button>
-      </div>
-      <div class="value hide-collapsed">
-        <template v-if="hasNoUsers">
-          <span class="assign-yourself no-value">
-            No assignee
-            <template v-if="editable">
-             -
-              <button
-                type="button"
-                class="btn-link"
-                @click="assignSelf"
-              >
-                assign yourself
-              </button>
-            </template>
-          </span>
-        </template>
-        <template v-else-if="hasOneUser">
-          <a
-            class="author_link bold"
-            :href="assigneeUrl(firstUser)"
-          >
-            <img
-              width="32"
-              class="avatar avatar-inline s32"
-              :alt="assigneeAlt(firstUser)"
-              :src="avatarUrl(firstUser)"
-            />
-            <span class="author">
-              {{ firstUser.name }}
-            </span>
-            <span class="username">
-              {{ assigneeUsername(firstUser) }}
-            </span>
-          </a>
-        </template>
-        <template v-else>
-          <div class="user-list">
-            <div
-              class="user-item"
-              v-for="(user, index) in users"
-              v-if="renderAssignee(index)"
-            >
-              <a
-                class="user-link has-tooltip"
-                data-placement="bottom"
-                :href="assigneeUrl(user)"
-                :data-title="user.name"
-              >
-                <img
-                  width="32"
-                  class="avatar avatar-inline s32"
-                  :alt="assigneeAlt(user)"
-                  :src="avatarUrl(user)"
-                />
-              </a>
-            </div>
-          </div>
+        </a>
+      </template>
+      <template v-else>
+        <div class="user-list">
           <div
-            v-if="renderShowMoreSection"
-            class="user-list-more"
+            class="user-item"
+            v-for="(user, index) in users"
+            v-if="renderAssignee(index)"
+            :key="user.id"
           >
-            <button
-              type="button"
-              class="btn-link"
-              @click="toggleShowLess"
+            <a
+              class="user-link has-tooltip"
+              data-container="body"
+              data-placement="bottom"
+              :href="assigneeUrl(user)"
+              :data-title="user.name"
             >
-              <template v-if="showLess">
-                {{ hiddenAssigneesLabel }}
-              </template>
-              <template v-else>
-                - show less
-              </template>
-            </button>
+              <img
+                width="32"
+                class="avatar avatar-inline s32"
+                :alt="assigneeAlt(user)"
+                :src="avatarUrl(user)"
+              />
+            </a>
           </div>
-        </template>
-      </div>
+        </div>
+        <div
+          v-if="renderShowMoreSection"
+          class="user-list-more"
+        >
+          <button
+            type="button"
+            class="btn-link"
+            @click="toggleShowLess"
+          >
+            <template v-if="showLess">
+              {{ hiddenAssigneesLabel }}
+            </template>
+            <template v-else>
+              - show less
+            </template>
+          </button>
+        </div>
+      </template>
     </div>
-  `,
-};
+  </div>
+</template>
+

app/assets/javascripts/sidebar/components/assignees/sidebar_assignees.js

 import Flash from '../../../flash';
 import AssigneeTitle from './assignee_title';
-import Assignees from './assignees';
+import Assignees from './assignees.vue';
 import Store from '../../stores/sidebar_store';
 import eventHub from '../../event_hub';
 
@@ -28,8 +28,8 @@ export default {
     },
   },
   components: {
-    'assignee-title': AssigneeTitle,
-    assignees: Assignees,
+    AssigneeTitle,
+    Assignees,
   },
   methods: {
     assignSelf() {

app/assets/javascripts/snippet/snippet_bundle.js

-/* eslint-disable func-names, space-before-function-paren, prefer-arrow-callback, no-var, quotes, max-len */
 /* global ace */
 
-(function() {
-  $(function() {
-    var editor = ace.edit("editor");
+export default () => {
+  const editor = ace.edit('editor');
 
-    $(".snippet-form-holder form").on('submit', function() {
-      $(".snippet-file-content").val(editor.getValue());
-    });
+  $('.snippet-form-holder form').on('submit', () => {
+    $('.snippet-file-content').val(editor.getValue());
   });
-}).call(window);
+};

app/assets/javascripts/vue_shared/components/clipboard_button.vue

 <script>
-  import tooltip from '../directives/tooltip';
   /**
    * Falls back to the code used in `copy_to_clipboard.js`
    */
+  import tooltip from '../directives/tooltip';
 
   export default {
     name: 'ClipboardButton',

app/assets/javascripts/vue_shared/components/issue/issue_warning.vue

@@ -11,14 +11,12 @@
         default: false,
         required: false,
       },
-
       isConfidential: {
         type: Boolean,
         default: false,
         required: false,
       },
     },
-
     computed: {
       warningIcon() {
         if (this.isConfidential) return 'eye-slash';
@@ -26,7 +24,6 @@
 
         return '';
       },
-
       isLockedAndConfidential() {
         return this.isConfidential && this.isLocked;
       },

app/assets/javascripts/vue_shared/components/notes/skeleton_note.vue

+<template>
+  <li class="timeline-entry note">
+    <div class="timeline-entry-inner">
+      <div class="timeline-icon">
+      </div>
+      <div class="timeline-content">
+        <div class="note-header"></div>
+        <div class="note-body">
+          <skeleton-loading-container />
+        </div>
+      </div>
+    </div>
+  </li>
+</template>
+
+<script>
+  import skeletonLoadingContainer from '~/vue_shared/components/skeleton_loading_container.vue';
+
+  export default {
+    components: {
+      skeletonLoadingContainer,
+    },
+  };
+</script>

app/assets/stylesheets/pages/issuable.scss

@@ -103,6 +103,7 @@
 .issuable-show-labels {
   a {
     margin-bottom: 5px;
+    margin-right: 5px;
     display: inline-block;
 
     .color-label {
@@ -116,6 +117,12 @@
   }
 
   &.has-labels {
+    // this font size is a fix to
+    // prevent unintended spacing between labels
+    // which shows up when rendering markup has white-space
+    // characters present.
+    // see: https://css-tricks.com/fighting-the-space-between-inline-block-elements/#article-header-id-3
+    font-size: 0;
     margin-bottom: -5px;
   }
 }

app/assets/stylesheets/pages/notes.scss

@@ -723,7 +723,7 @@ ul.notes {
 .line-resolve-all {
   vertical-align: middle;
   display: inline-block;
-  padding: 5px 10px 6px;
+  padding: 6px 10px;
   background-color: $gray-light;
   border: 1px solid $border-color;
   border-radius: $border-radius-default;

app/controllers/concerns/issuable_actions.rb

@@ -77,6 +77,20 @@ module IssuableActions
     render json: { notice: "#{quantity} #{resource_name.pluralize(quantity)} updated" }
   end
 
+  def discussions
+    notes = issuable.notes
+      .inc_relations_for_view
+      .includes(:noteable)
+      .fresh
+
+    notes = prepare_notes_for_rendering(notes)
+    notes = notes.reject { |n| n.cross_reference_not_visible_for?(current_user) }
+
+    discussions = Discussion.build_collection(notes, issuable)
+
+    render json: DiscussionSerializer.new(project: project, noteable: issuable, current_user: current_user).represent(discussions, context: self)
+  end
+
   private
 
   def recaptcha_check_if_spammable(should_redirect = true, &block)

app/controllers/concerns/notes_actions.rb

@@ -22,7 +22,7 @@ module NotesActions
     notes = notes.reject { |n| n.cross_reference_not_visible_for?(current_user) }
 
     notes_json[:notes] =
-      if noteable.discussions_rendered_on_frontend?
+      if use_note_serializer?
         note_serializer.represent(notes)
       else
         notes.map { |note| note_json(note) }
@@ -95,7 +95,7 @@ module NotesActions
     if note.persisted?
       attrs[:valid] = true
 
-      if noteable.discussions_rendered_on_frontend?
+      if use_note_serializer?
         attrs.merge!(note_serializer.represent(note))
       else
         attrs.merge!(
@@ -233,4 +233,14 @@ module NotesActions
       the_project
     end
   end
+
+  def use_note_serializer?
+    return false if params['html']
+
+    if noteable.is_a?(MergeRequest)
+      cookies[:vue_mr_discussions] == 'true'
+    else
+      noteable.discussions_rendered_on_frontend?
+    end
+  end
 end

app/controllers/projects/discussions_controller.rb

 class Projects::DiscussionsController < Projects::ApplicationController
+  include NotesHelper
+  include RendersNotes
+
   before_action :check_merge_requests_available!
   before_action :merge_request
   before_action :discussion
@@ -7,22 +10,45 @@ class Projects::DiscussionsController < Projects::ApplicationController
   def resolve
     Discussions::ResolveService.new(project, current_user, merge_request: merge_request).execute(discussion)
 
-    render json: {
-      resolved_by: discussion.resolved_by.try(:name),
-      discussion_headline_html: view_to_html_string('discussions/_headline', discussion: discussion)
-    }
+    render_discussion
   end
 
   def unresolve
     discussion.unresolve!
 
+    render_discussion
+  end
+
+  private
+
+  def render_discussion
+    if serialize_notes?
+      # TODO - It is not needed to serialize notes when resolving
+      # or unresolving discussions. We should remove this behavior
+      # passing a parameter to DiscussionEntity to return an empty array
+      # for notes.
+      # Check issue: https://gitlab.com/gitlab-org/gitlab-ce/issues/42853
+      prepare_notes_for_rendering(discussion.notes, merge_request)
+      render_json_with_discussions_serializer
+    else
+      render_json_with_html
+    end
+  end
+
+  def render_json_with_discussions_serializer
+    render json:
+      DiscussionSerializer.new(project: project, noteable: discussion.noteable, current_user: current_user)
+      .represent(discussion, context: self)
+  end
+
+  # Legacy method used to render discussions notes when not using Vue on views.
+  def render_json_with_html
     render json: {
+      resolved_by: discussion.resolved_by.try(:name),
       discussion_headline_html: view_to_html_string('discussions/_headline', discussion: discussion)
     }
   end
 
-  private
-
   def merge_request
     @merge_request ||= MergeRequestsFinder.new(current_user, project_id: @project.id).find_by!(iid: params[:merge_request_id])
   end

app/controllers/projects/issues_controller.rb

@@ -60,20 +60,6 @@ class Projects::IssuesController < Projects::ApplicationController
     respond_with(@issue)
   end
 
-  def discussions
-    notes = @issue.notes
-      .inc_relations_for_view
-      .includes(:noteable)
-      .fresh
-
-    notes = prepare_notes_for_rendering(notes)
-    notes = notes.reject { |n| n.cross_reference_not_visible_for?(current_user) }
-
-    discussions = Discussion.build_collection(notes, @issue)
-
-    render json: DiscussionSerializer.new(project: @project, noteable: @issue, current_user: current_user).represent(discussions)
-  end
-
   def create
     create_params = issue_params.merge(spammable_params).merge(
       merge_request_to_resolve_discussions_of: params[:merge_request_to_resolve_discussions_of],

app/controllers/projects/notes_controller.rb

 class Projects::NotesController < Projects::ApplicationController
   include NotesActions
+  include NotesHelper
   include ToggleAwardEmoji
 
   before_action :whitelist_query_limiting, only: [:create]
@@ -38,10 +39,14 @@ class Projects::NotesController < Projects::ApplicationController
 
     discussion = note.discussion
 
-    render json: {
-      resolved_by: note.resolved_by.try(:name),
-      discussion_headline_html: (view_to_html_string('discussions/_headline', discussion: discussion) if discussion)
-    }
+    if serialize_notes?
+      render_json_with_notes_serializer
+    else
+      render json: {
+        resolved_by: note.resolved_by.try(:name),
+        discussion_headline_html: (view_to_html_string('discussions/_headline', discussion: discussion) if discussion)
+      }
+    end
   end
 
   def unresolve
@@ -51,16 +56,27 @@ class Projects::NotesController < Projects::ApplicationController
 
     discussion = note.discussion
 
-    render json: {
-      discussion_headline_html: (view_to_html_string('discussions/_headline', discussion: discussion) if discussion)
-    }
+    if serialize_notes?
+      render_json_with_notes_serializer
+    else
+      render json: {
+        discussion_headline_html: (view_to_html_string('discussions/_headline', discussion: discussion) if discussion)
+      }
+    end
   end
 
   private
 
+  def render_json_with_notes_serializer
+    Notes::RenderService.new(current_user).execute([note], project)
+
+    render json: note_serializer.represent(note)
+  end
+
   def note
     @note ||= @project.notes.find(params[:id])
   end
+
   alias_method :awardable, :note
 
   def finder_params

app/controllers/projects/pages_domains_controller.rb

@@ -3,7 +3,7 @@ class Projects::PagesDomainsController < Projects::ApplicationController
 
   before_action :require_pages_enabled!
   before_action :authorize_update_pages!, except: [:show]
-  before_action :domain, only: [:show, :destroy, :verify]
+  before_action :domain, except: [:new, :create]
 
   def show
   end
@@ -24,8 +24,11 @@ class Projects::PagesDomainsController < Projects::ApplicationController
     redirect_to project_pages_domain_path(@project, @domain)
   end
 
+  def edit
+  end
+
   def create
-    @domain = @project.pages_domains.create(pages_domain_params)
+    @domain = @project.pages_domains.create(create_params)
 
     if @domain.valid?
       redirect_to project_pages_domain_path(@project, @domain)
@@ -34,6 +37,16 @@ class Projects::PagesDomainsController < Projects::ApplicationController
     end
   end
 
+  def update
+    if @domain.update(update_params)
+      redirect_to project_pages_path(@project),
+        status: 302,
+        notice: 'Domain was updated'
+    else
+      render 'edit'
+    end
+  end
+
   def destroy
     @domain.destroy
 
@@ -49,12 +62,12 @@ class Projects::PagesDomainsController < Projects::ApplicationController
 
   private
 
-  def pages_domain_params
-    params.require(:pages_domain).permit(
-      :certificate,
-      :key,
-      :domain
-    )
+  def create_params
+    params.require(:pages_domain).permit(:key, :certificate, :domain)
+  end
+
+  def update_params
+    params.require(:pages_domain).permit(:key, :certificate)
   end
 
   def domain

app/helpers/notes_helper.rb

@@ -151,7 +151,38 @@ module NotesHelper
     }
   end
 
+  def notes_data(issuable)
+    discussions_path =
+      if issuable.is_a?(Issue)
+        discussions_project_issue_path(@project, issuable, format: :json)
+      else
+        discussions_project_merge_request_path(@project, issuable, format: :json)
+      end
+
+    {
+      discussionsPath: discussions_path,
+      registerPath: new_session_path(:user, redirect_to_referer: 'yes', anchor: 'register-pane'),
+      newSessionPath: new_session_path(:user, redirect_to_referer: 'yes'),
+      markdownDocsPath: help_page_path('user/markdown'),
+      quickActionsDocsPath: help_page_path('user/project/quick_actions'),
+      closePath: close_issuable_path(issuable),
+      reopenPath: reopen_issuable_path(issuable),
+      notesPath: notes_url,
+      totalNotes: issuable.discussions.length,
+      lastFetchedAt: Time.now
+
+    }.to_json
+  end
+
   def discussion_resolved_intro(discussion)
     discussion.resolved_by_push? ? 'Automatically resolved' : 'Resolved'
   end
+
+  def has_vue_discussions_cookie?
+    cookies[:vue_mr_discussions] == 'true'
+  end
+
+  def serialize_notes?
+    has_vue_discussions_cookie? && !params['html']
+  end
 end

app/models/ci/runner.rb

@@ -49,7 +49,7 @@ module Ci
       ref_protected: 1
     }
 
-    cached_attr_reader :version, :revision, :platform, :architecture, :contacted_at
+    cached_attr_reader :version, :revision, :platform, :architecture, :contacted_at, :ip_address
 
     # Searches for runners matching the given query.
     #
@@ -157,7 +157,7 @@ module Ci
     end
 
     def update_cached_info(values)
-      values = values&.slice(:version, :revision, :platform, :architecture) || {}
+      values = values&.slice(:version, :revision, :platform, :architecture, :ip_address) || {}
       values[:contacted_at] = Time.now
 
       cache_attributes(values)

app/models/note.rb

@@ -133,6 +133,7 @@ class Note < ActiveRecord::Base
 
     def find_discussion(discussion_id)
       notes = where(discussion_id: discussion_id).fresh.to_a
+
       return if notes.empty?
 
       Discussion.build(notes)

app/serializers/diff_file_entity.rb

+class DiffFileEntity < Grape::Entity
+  include DiffHelper
+  include SubmoduleHelper
+  include BlobHelper
+  include IconsHelper
+  include ActionView::Helpers::TagHelper
+
+  expose :submodule?, as: :submodule
+
+  expose :submodule_link do |diff_file|
+    submodule_links(diff_file.blob, diff_file.content_sha, diff_file.repository).first
+  end
+
+  expose :blob_path do |diff_file|
+    diff_file.blob.path
+  end
+
+  expose :blob_icon do |diff_file|
+    blob_icon(diff_file.b_mode, diff_file.file_path)
+  end
+
+  expose :file_path
+  expose :deleted_file?, as: :deleted_file
+  expose :renamed_file?, as: :renamed_file
+  expose :old_path
+  expose :new_path
+  expose :mode_changed?, as: :mode_changed
+  expose :a_mode
+  expose :b_mode
+  expose :text?, as: :text
+
+  expose :old_path_html do |diff_file|
+    old_path = mark_inline_diffs(diff_file.old_path, diff_file.new_path)
+    old_path
+  end
+
+  expose :new_path_html do |diff_file|
+    _, new_path = mark_inline_diffs(diff_file.old_path, diff_file.new_path)
+    new_path
+  end
+end

app/serializers/discussion_entity.rb

@@ -7,4 +7,42 @@ class DiscussionEntity < Grape::Entity
   expose :notes, using: NoteEntity
 
   expose :individual_note?, as: :individual_note
+  expose :resolvable?, as: :resolvable
+  expose :resolved?, as: :resolved
+  expose :resolve_path, if: -> (d, _) { d.resolvable? } do |discussion|
+    resolve_project_merge_request_discussion_path(discussion.project, discussion.noteable, discussion.id)
+  end
+  expose :resolve_with_issue_path do |discussion|
+    new_project_issue_path(discussion.project, merge_request_to_resolve_discussions_of: discussion.noteable.iid, discussion_to_resolve: discussion.id)
+  end
+
+  expose :diff_file, using: DiffFileEntity, if: -> (d, _) { defined? d.diff_file }
+
+  expose :diff_discussion?, as: :diff_discussion
+
+  expose :truncated_diff_lines, if: -> (d, _) { (defined? d.diff_file) && d.diff_file.text? } do |discussion|
+    options[:context].render_to_string(
+      partial: "projects/diffs/line",
+      collection: discussion.truncated_diff_lines,
+      as: :line,
+      locals: { diff_file: discussion.diff_file,
+                discussion_expanded: true,
+                plain: true },
+      layout: false,
+      formats: [:html]
+    )
+  end
+
+  expose :image_diff_html, if: -> (d, _) { defined? d.diff_file } do |discussion|
+    diff_file = discussion.diff_file
+    partial = diff_file.new_file? || diff_file.deleted_file? ? 'single_image_diff' : 'replaced_image_diff'
+    options[:context].render_to_string(
+      partial: "projects/diffs/#{partial}",
+      locals: { diff_file: diff_file,
+                position: discussion.position.to_json,
+                click_to_comment: false },
+      layout: false,
+      formats: [:html]
+    )
+  end
 end

app/serializers/merge_request_widget_entity.rb

@@ -115,6 +115,14 @@ class MergeRequestWidgetEntity < IssuableEntity
     expose :can_cherry_pick_on_current_merge_request do |merge_request|
       presenter(merge_request).can_cherry_pick_on_current_merge_request?
     end
+
+    expose :can_create_note do |issue|
+      can?(request.current_user, :create_note, issue.project)
+    end
+
+    expose :can_update do |issue|
+      can?(request.current_user, :update_issue, issue)
+    end
   end
 
   # Paths
@@ -189,6 +197,10 @@ class MergeRequestWidgetEntity < IssuableEntity
     end
   end
 
+  expose :create_note_path do |merge_request|
+    project_notes_path(merge_request.project, target_type: 'merge_request', target_id: merge_request.id)
+  end
+
   expose :commit_change_content_path do |merge_request|
     commit_change_content_project_merge_request_path(merge_request.project, merge_request)
   end

app/serializers/note_entity.rb

@@ -23,6 +23,10 @@ class NoteEntity < API::Entities::Note
     end
   end
 
+  expose :resolved?, as: :resolved
+  expose :resolvable?, as: :resolvable
+  expose :resolved_by, using: NoteUserEntity
+
   expose :system_note_icon_name, if: -> (note, _) { note.system? } do |note|
     SystemNoteHelper.system_note_icon_name(note)
   end
@@ -53,6 +57,14 @@ class NoteEntity < API::Entities::Note
     end
   end
 
+  expose :resolve_path, if: -> (note, _) { note.part_of_discussion? && note.resolvable? } do |note|
+    resolve_project_merge_request_discussion_path(note.project, note.noteable, note.discussion_id)
+  end
+
+  expose :resolve_with_issue_path, if: -> (note, _) { note.part_of_discussion? && note.resolvable? } do |note|
+    new_project_issue_path(note.project, merge_request_to_resolve_discussions_of: note.noteable.iid, discussion_to_resolve: note.discussion_id)
+  end
+
   expose :attachment, using: NoteAttachmentEntity, if: -> (note, _) { note.attachment? }
   expose :delete_attachment_path, if: -> (note, _) { note.attachment? } do |note|
     delete_attachment_project_note_path(note.project, note)

app/services/projects/update_service.rb

@@ -15,6 +15,8 @@ module Projects
         return error("Could not set the default branch") unless project.change_head(params[:default_branch])
       end
 
+      ensure_wiki_exists if enabling_wiki?
+
       if project.update_attributes(params.except(:default_branch))
         if project.previous_changes.include?('path')
           project.rename_repo
@@ -52,5 +54,18 @@ module Projects
       project.repository.exists? &&
         new_branch && new_branch != project.default_branch
     end
+
+    def enabling_wiki?
+      return false if @project.wiki_enabled?
+
+      params[:project_feature_attributes][:wiki_access_level].to_i > ProjectFeature::DISABLED
+    end
+
+    def ensure_wiki_exists
+      ProjectWiki.new(project, project.owner).wiki
+    rescue ProjectWiki::CouldNotCreateWikiError
+      log_error("Could not create wiki for #{project.full_name}")
+      Gitlab::Metrics.counter(:wiki_can_not_be_created_total, 'Counts the times we failed to create a wiki')
+    end
   end
 end

app/views/admin/runners/_runner.html.haml

@@ -16,6 +16,8 @@
     = runner.description
   %td
     = runner.version
+  %td
+    = runner.ip_address
   %td
     - if runner.shared?
       n/a

app/views/admin/runners/index.html.haml

@@ -60,6 +60,7 @@
               %th Runner token
               %th Description
               %th Version
+              %th IP Address
               %th Projects
               %th Jobs
               %th Tags

app/views/groups/merge_requests.html.haml

 - page_title "Merge Requests"
 
-- content_for :page_specific_javascripts do
-  = webpack_bundle_tag 'common_vue'
-
 - if group_merge_requests_count(state: 'all').zero?
   = render 'shared/empty_states/merge_requests', project_select_button: true
 - else

app/views/projects/commit/_pipelines_list.haml

@@ -6,6 +6,3 @@
   "empty-state-svg-path" => image_path('illustrations/pipelines_empty.svg'),
   "error-state-svg-path" => image_path('illustrations/pipelines_failed.svg'),
 } }
-
-- content_for :page_specific_javascripts do
-  = webpack_bundle_tag('common_vue')

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

@@ -6,8 +6,6 @@
 - @content_class = limited_container_width
 - page_title        "#{@commit.title} (#{@commit.short_id})", "Commits"
 - page_description  @commit.description
-- content_for :page_specific_javascripts do
-  = webpack_bundle_tag('common_vue')
 
 .container-fluid{ class: [limited_container_width, container_class] }
   = render "commit_box"

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

@@ -2,7 +2,6 @@
 - page_title "Cycle Analytics"
 - content_for :page_specific_javascripts do
   = webpack_bundle_tag('common_vue')
-  = webpack_bundle_tag('cycle_analytics')
 
 #cycle-analytics{ class: container_class, "v-cloak" => "true", data: { request_path: project_cycle_analytics_path(@project) } }
   - if @cycle_analytics_no_data

app/views/projects/environments/folder.html.haml

 - @no_container = true
 - page_title "Environments"
 
-- content_for :page_specific_javascripts do
-  = webpack_bundle_tag('common_vue')
-
 #environments-folder-list-view{ data: { endpoint: folder_project_environments_path(@project, @folder, format: :json),
   "folder-name" => @folder,
   "can-create-deployment" => can?(current_user, :create_deployment, @project).to_s,

app/views/projects/environments/metrics.html.haml

 - @no_container = true
 - page_title "Metrics for environment", @environment.name
-- content_for :page_specific_javascripts do
-  = webpack_bundle_tag 'common_vue'
 
 .prometheus-container{ class: container_class }
   .top-area

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

@@ -6,14 +6,6 @@
     = link_to 'Close issue', issue_path(@issue, issue: {state_event: :close}, format: 'json'), data: {original_text: "Close issue", alternative_text: "Comment & close issue"}, class: "btn btn-nr btn-close btn-comment js-note-target-close #{issue_button_visibility(@issue, true)}", title: 'Close issue'
 
 %section.js-vue-notes-event
-  #js-vue-notes{ data: { discussions_path: discussions_project_issue_path(@project, @issue, format: :json),
-  register_path: new_session_path(:user, redirect_to_referer: 'yes', anchor: 'register-pane'),
-  new_session_path: new_session_path(:user, redirect_to_referer: 'yes'),
-  markdown_docs_path: help_page_path('user/markdown'),
-  quick_actions_docs_path: help_page_path('user/project/quick_actions'),
-  notes_path: notes_url,
-  close_issue_path: issue_path(@issue, issue: { state_event: :close }, format: 'json'),
-  reopen_issue_path: issue_path(@issue, issue: { state_event: :reopen }, format: 'json'),
-  last_fetched_at: Time.now.to_i,
-  noteable_data: serialize_issuable(@issue),
-  current_user_data: UserSerializer.new.represent(current_user, only_path: true).to_json } }
+  #js-vue-notes{ data: { notes_data: notes_data(@issue),
+    noteable_data: serialize_issuable(@issue),
+    current_user_data: UserSerializer.new.represent(current_user, only_path: true).to_json } }

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

@@ -73,7 +73,7 @@
 
   .content-block.emoji-block
     .row
-      .col-sm-8.js-issue-note-awards
+      .col-sm-8.js-noteable-awards
         = render 'award_emoji/awards_block', awardable: @issue, inline: true
       .col-sm-4.new-branch-col
         = render 'new_branch' unless @issue.confidential?

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

 - page_title "Merge Conflicts", "#{@merge_request.title} (#{@merge_request.to_reference}", "Merge Requests"
 - content_for :page_specific_javascripts do
-  = webpack_bundle_tag('common_vue')
-  = webpack_bundle_tag('merge_conflicts')
   = page_specific_javascript_tag('lib/ace.js')
 = render "projects/merge_requests/mr_title"
 

app/views/projects/merge_requests/conflicts/show.html.haml

 - page_title "Merge Conflicts", "#{@merge_request.title} (#{@merge_request.to_reference}", "Merge Requests"
 - content_for :page_specific_javascripts do
-  = webpack_bundle_tag('common_vue')
-  = webpack_bundle_tag('merge_conflicts')
   = page_specific_javascript_tag('lib/ace.js')
 = render "projects/merge_requests/mr_title"
 

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

+- @gfm_form = true
 - @content_class = "limit-container-width" unless fluid_layout
 - add_to_breadcrumbs "Merge Requests", project_merge_requests_path(@project)
 - breadcrumb_title @merge_request.to_reference
@@ -7,6 +8,9 @@
 - content_for :page_specific_javascripts do
   = webpack_bundle_tag('common_vue')
 
+  - if has_vue_discussions_cookie?
+    = webpack_bundle_tag('mr_notes')
+
 .merge-request{ data: { mr_action: j(params[:tab].presence || 'show'), url: merge_request_path(@merge_request, format: :json), project_path: project_path(@merge_request.project) } }
   = render "projects/merge_requests/mr_title"
 
@@ -23,7 +27,7 @@
 
     #js-vue-mr-widget.mr-widget
 
-    .content-block.content-block-small.emoji-list-container
+    .content-block.content-block-small.emoji-list-container.js-noteable-awards
       = render 'award_emoji/awards_block', awardable: @merge_request, inline: true
 
     .merge-request-tabs-holder{ class: ("js-tabs-affix" unless ENV['RAILS_ENV'] == 'test') }
@@ -51,28 +55,37 @@
                 = tab_link_for @merge_request, :diffs do
                   Changes
                   %span.badge= @merge_request.diff_size
-        #resolve-count-app.line-resolve-all-container.prepend-top-10{ "v-cloak" => true }
-          %resolve-count{ "inline-template" => true, ":logged-out" => "#{current_user.nil?}" }
-            %div
-              .line-resolve-all{ "v-show" => "discussionCount > 0",
-                ":class" => "{ 'has-next-btn': !loggedOut && resolvedDiscussionCount !== discussionCount }" }
-                %span.line-resolve-btn.is-disabled{ type: "button",
-                    ":class" => "{ 'is-active': resolvedDiscussionCount === discussionCount }" }
-                  %template{ 'v-if' => 'resolvedDiscussionCount === discussionCount' }
-                    = render 'shared/icons/icon_status_success_solid.svg'
-                  %template{ 'v-else' => '' }
-                    = render 'shared/icons/icon_resolve_discussion.svg'
-                %span.line-resolve-text
-                  {{ resolvedDiscussionCount }}/{{ discussionCount }} {{ resolvedCountText }} resolved
-              = render "discussions/new_issue_for_all_discussions", merge_request: @merge_request
-              = render "discussions/jump_to_next"
+
+        - if has_vue_discussions_cookie?
+          #js-vue-discussion-counter
+        - else
+          #resolve-count-app.line-resolve-all-container.prepend-top-10{ "v-cloak" => true }
+            %resolve-count{ "inline-template" => true, ":logged-out" => "#{current_user.nil?}" }
+              %div
+                .line-resolve-all{ "v-show" => "discussionCount > 0",
+                  ":class" => "{ 'has-next-btn': !loggedOut && resolvedDiscussionCount !== discussionCount }" }
+                  %span.line-resolve-btn.is-disabled{ type: "button",
+                      ":class" => "{ 'is-active': resolvedDiscussionCount === discussionCount }" }
+                    %template{ 'v-if' => 'resolvedDiscussionCount === discussionCount' }
+                      = render 'shared/icons/icon_status_success_solid.svg'
+                    %template{ 'v-else' => '' }
+                      = render 'shared/icons/icon_resolve_discussion.svg'
+                  %span.line-resolve-text
+                    {{ resolvedDiscussionCount }}/{{ discussionCount }} {{ resolvedCountText }} resolved
+                = render "discussions/new_issue_for_all_discussions", merge_request: @merge_request
+                = render "discussions/jump_to_next"
 
     .tab-content#diff-notes-app
       #notes.notes.tab-pane.voting_notes
         .row
           %section.col-md-12
-            .issuable-discussion
+            %script.js-notes-data{ type: "application/json" }= initial_notes_data(true).to_json.html_safe
+            .issuable-discussion.js-vue-notes-event
               = render "projects/merge_requests/discussion"
+              - if has_vue_discussions_cookie?
+                #js-vue-mr-discussions{ data: { notes_data: notes_data(@merge_request),
+                  noteable_data: serialize_issuable(@merge_request),
+                  current_user_data: UserSerializer.new.represent(current_user).to_json} }
 
       #commits.commits.tab-pane
         -# This tab is always loaded via AJAX

app/views/projects/pages_domains/_form.html.haml

-= form_for [@project.namespace.becomes(Namespace), @project, @domain], html: { class: 'form-horizontal fieldset-form' } do |f|
-  - if @domain.errors.any?
-    #error_explanation
-      .alert.alert-danger
-        - @domain.errors.full_messages.each do |msg|
-          %p= msg
+- if @domain.errors.any?
+  #error_explanation
+    .alert.alert-danger
+      - @domain.errors.full_messages.each do |msg|
+        %p= msg
 
+.form-group
+  = f.label :domain, class: 'control-label' do
+    Domain
+  .col-sm-10
+    = f.text_field :domain, required: true, autocomplete: 'off', class: 'form-control', disabled: @domain.persisted?
+
+- if Gitlab.config.pages.external_https
   .form-group
-    = f.label :domain, class: 'control-label' do
-      Domain
+    = f.label :certificate, class: 'control-label' do
+      Certificate (PEM)
     .col-sm-10
-      = f.text_field :domain, required: true, autocomplete: 'off', class: 'form-control'
-
-  - if Gitlab.config.pages.external_https
-    .form-group
-      = f.label :certificate, class: 'control-label' do
-        Certificate (PEM)
-      .col-sm-10
-        = f.text_area :certificate, rows: 5, class: 'form-control'
-        %span.help-inline Upload a certificate for your domain with all intermediates
-
-    .form-group
-      = f.label :key, class: 'control-label' do
-        Key (PEM)
-      .col-sm-10
-        = f.text_area :key, rows: 5, class: 'form-control'
-        %span.help-inline Upload a private key for your certificate
-  - else
-    .nothing-here-block
-      Support for custom certificates is disabled.
-      Ask your system's administrator to enable it.
+      = f.text_area :certificate, rows: 5, class: 'form-control'
+      %span.help-inline Upload a certificate for your domain with all intermediates
 
-  .form-actions
-    = f.submit 'Create New Domain', class: "btn btn-save"
+  .form-group
+    = f.label :key, class: 'control-label' do
+      Key (PEM)
+    .col-sm-10
+      = f.text_area :key, rows: 5, class: 'form-control'
+      %span.help-inline Upload a private key for your certificate
+- else
+  .nothing-here-block
+    Support for custom certificates is disabled.
+    Ask your system's administrator to enable it.

app/views/projects/pages_domains/edit.html.haml

+- add_to_breadcrumbs "Pages", project_pages_path(@project)
+- breadcrumb_title @domain.domain
+- page_title @domain.domain
+%h3.page_title
+  = @domain.domain
+%hr.clearfix
+%div
+  = form_for [@project.namespace.becomes(Namespace), @project, @domain], html: { class: 'form-horizontal fieldset-form' } do |f|
+    = render 'form', { f: f }
+    .form-actions
+      = f.submit 'Save Changes', class: "btn btn-save"

app/views/projects/pages_domains/new.html.haml

+- add_to_breadcrumbs "Pages", project_pages_path(@project)
 - page_title 'New Pages Domain'
 %h3.page_title
   New Pages Domain
 %hr.clearfix
 %div
-  = render 'form'
+  = form_for [@project.namespace.becomes(Namespace), @project, @domain], html: { class: 'form-horizontal fieldset-form' } do |f|
+    = render 'form', { f: f }
+    .form-actions
+      = f.submit 'Create New Domain', class: "btn btn-save"

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

+- add_to_breadcrumbs "Pages", project_pages_path(@project)
+- breadcrumb_title @domain.domain
 - page_title "#{@domain.domain}", 'Pages Domains'
+
 - verification_enabled = Gitlab::CurrentSettings.pages_domain_verification_enabled?
 - if verification_enabled && @domain.unverified?
   %p.alert.alert-warning
@@ -8,6 +11,7 @@
 
 %h3.page-title
   Pages Domain
+  = link_to 'Edit', edit_project_pages_domain_path(@project, @domain), class: 'btn btn-success pull-right'
 
 .table-holder
   %table.table