Merge branch '38869-importer_status' into 'master'

Remove code from global namespace

See merge request gitlab-org/gitlab-ce!15058

13 files changed, 305 insertions, 476 deletions

diff --git a/app/assets/javascripts/boards/components/board_sidebar.js b/app/assets/javascripts/boards/components/board_sidebar.js
index c1f902a785a..5d27518ac85 100644
--- a/app/assets/javascripts/boards/components/board_sidebar.js
+++ b/app/assets/javascripts/boards/components/board_sidebar.js
@@ -1,5 +1,4 @@
 /* eslint-disable comma-dangle, space-before-function-paren, no-new */
-/* global IssuableContext */
 /* global MilestoneSelect */
 /* global LabelsSelect */
 /* global Sidebar */
@@ -11,6 +10,7 @@ import AssigneeTitle from '../../sidebar/components/assignees/assignee_title';
 import Assignees from '../../sidebar/components/assignees/assignees';
 import DueDateSelectors from '../../due_date_select';
 import './sidebar/remove_issue';
+import IssuableContext from '../../issuable_context';
 
 const Store = gl.issueBoards.BoardsStore;
 
diff --git a/app/assets/javascripts/dispatcher.js b/app/assets/javascripts/dispatcher.js
index 694767d6ac7..b516fda84b9 100644
--- a/app/assets/javascripts/dispatcher.js
+++ b/app/assets/javascripts/dispatcher.js
@@ -1,8 +1,8 @@
 /* eslint-disable func-names, space-before-function-paren, no-var, prefer-arrow-callback, wrap-iife, no-shadow, consistent-return, one-var, one-var-declaration-per-line, camelcase, default-case, no-new, quotes, no-duplicate-case, no-case-declarations, no-fallthrough, max-len */
 /* global ProjectSelect */
-/* global IssuableIndex */
+import IssuableIndex from './issuable_index';
 /* global Milestone */
-/* global IssuableForm */
+import IssuableForm from './issuable_form';
 /* global LabelsSelect */
 /* global MilestoneSelect */
 /* global NewBranchForm */
@@ -173,7 +173,7 @@ import Diff from './diff';
             filteredSearchManager.setup();
           }
           const pagePrefix = page === 'projects:merge_requests:index' ? 'merge_request_' : 'issue_';
-          IssuableIndex.init(pagePrefix);
+          new IssuableIndex(pagePrefix);
 
           shortcut_handler = new ShortcutsNavigation();
           new UsersSelect();
diff --git a/app/assets/javascripts/importer_status.js b/app/assets/javascripts/importer_status.js
index 5b4ca94ed30..1dc70872d92 100644
--- a/app/assets/javascripts/importer_status.js
+++ b/app/assets/javascripts/importer_status.js
@@ -1,83 +1,81 @@
-/* eslint-disable func-names, space-before-function-paren, wrap-iife, camelcase, no-var, one-var, one-var-declaration-per-line, prefer-template, quotes, object-shorthand, comma-dangle, no-unused-vars, prefer-arrow-callback, no-else-return, vars-on-top, no-new, max-len */
+class ImporterStatus {
+  constructor(jobsUrl, importUrl) {
+    this.jobsUrl = jobsUrl;
+    this.importUrl = importUrl;
+    this.initStatusPage();
+    this.setAutoUpdate();
+  }
 
-(function() {
-  window.ImporterStatus = (function() {
-    function ImporterStatus(jobs_url, import_url) {
-      this.jobs_url = jobs_url;
-      this.import_url = import_url;
-      this.initStatusPage();
-      this.setAutoUpdate();
-    }
+  initStatusPage() {
+    $('.js-add-to-import')
+      .off('click')
+      .on('click', (event) => {
+        const $btn = $(event.currentTarget);
+        const $tr = $btn.closest('tr');
+        const $targetField = $tr.find('.import-target');
+        const $namespaceInput = $targetField.find('.js-select-namespace option:selected');
+        const id = $tr.attr('id').replace('repo_', '');
+        let targetNamespace;
+        let newName;
+        if ($namespaceInput.length > 0) {
+          targetNamespace = $namespaceInput[0].innerHTML;
+          newName = $targetField.find('#path').prop('value');
+          $targetField.empty().append(`${targetNamespace}/${newName}`);
+        }
+        $btn.disable().addClass('is-loading');
 
-    ImporterStatus.prototype.initStatusPage = function() {
-      $('.js-add-to-import').off('click').on('click', (function(_this) {
-        return function(e) {
-          var $btn, $namespace_input, $target_field, $tr, id, target_namespace, newName;
-          $btn = $(e.currentTarget);
-          $tr = $btn.closest('tr');
-          $target_field = $tr.find('.import-target');
-          $namespace_input = $target_field.find('.js-select-namespace option:selected');
-          id = $tr.attr('id').replace('repo_', '');
-          target_namespace = null;
-          newName = null;
-          if ($namespace_input.length > 0) {
-            target_namespace = $namespace_input[0].innerHTML;
-            newName = $target_field.find('#path').prop('value');
-            $target_field.empty().append(target_namespace + "/" + newName);
-          }
-          $btn.disable().addClass('is-loading');
-          return $.post(_this.import_url, {
-            repo_id: id,
-            target_namespace: target_namespace,
-            new_name: newName
-          }, {
-            dataType: 'script'
-          });
-        };
-      })(this));
-      return $('.js-import-all').off('click').on('click', function(e) {
-        var $btn;
-        $btn = $(this);
+        return $.post(this.importUrl, {
+          repo_id: id,
+          target_namespace: targetNamespace,
+          new_name: newName,
+        }, {
+          dataType: 'script',
+        });
+      });
+
+    $('.js-import-all')
+      .off('click')
+      .on('click', function onClickImportAll() {
+        const $btn = $(this);
         $btn.disable().addClass('is-loading');
-        return $('.js-add-to-import').each(function() {
+        return $('.js-add-to-import').each(function triggerAddImport() {
           return $(this).trigger('click');
         });
       });
-    };
+  }
+
+  setAutoUpdate() {
+    return setInterval(() => $.get(this.jobsUrl, data => $.each(data, (i, job) => {
+      const jobItem = $(`#project_${job.id}`);
+      const statusField = jobItem.find('.job-status');
 
-    ImporterStatus.prototype.setAutoUpdate = function() {
-      return setInterval(((function(_this) {
-        return function() {
-          return $.get(_this.jobs_url, function(data) {
-            return $.each(data, function(i, job) {
-              var job_item, status_field;
-              job_item = $("#project_" + job.id);
-              status_field = job_item.find(".job-status");
-              if (job.import_status === 'finished') {
-                job_item.removeClass("active").addClass("success");
-                return status_field.html('<span><i class="fa fa-check"></i> done</span>');
-              } else if (job.import_status === 'scheduled') {
-                return status_field.html("<i class='fa fa-spinner fa-spin'></i> scheduled");
-              } else if (job.import_status === 'started') {
-                return status_field.html("<i class='fa fa-spinner fa-spin'></i> started");
-              } else {
-                return status_field.html(job.import_status);
-              }
-            });
-          });
-        };
-      })(this)), 4000);
-    };
+      const spinner = '<i class="fa fa-spinner fa-spin"></i>';
 
-    return ImporterStatus;
-  })();
+      switch (job.import_status) {
+        case 'finished':
+          jobItem.removeClass('active').addClass('success');
+          statusField.html('<span><i class="fa fa-check"></i> done</span>');
+          break;
+        case 'scheduled':
+          statusField.html(`${spinner} scheduled`);
+          break;
+        case 'started':
+          statusField.html(`${spinner} started`);
+          break;
+        default:
+          statusField.html(job.import_status);
+          break;
+      }
+    })), 4000);
+  }
+}
 
-  $(function() {
-    if ($('.js-importer-status').length) {
-      var jobsImportPath = $('.js-importer-status').data('jobs-import-path');
-      var importPath = $('.js-importer-status').data('import-path');
+// eslint-disable-next-line consistent-return
+export default function initImporterStatus() {
+  const importerStatus = document.querySelector('.js-importer-status');
 
-      new window.ImporterStatus(jobsImportPath, importPath);
-    }
-  });
-}).call(window);
+  if (importerStatus) {
+    const data = importerStatus.dataset;
+    return new ImporterStatus(data.jobsImportPath, data.importPath);
+  }
+}
diff --git a/app/assets/javascripts/init_issuable_sidebar.js b/app/assets/javascripts/init_issuable_sidebar.js
index 32a1a269f9a..6f476f96f72 100644
--- a/app/assets/javascripts/init_issuable_sidebar.js
+++ b/app/assets/javascripts/init_issuable_sidebar.js
@@ -1,7 +1,7 @@
 /* eslint-disable no-new */
 /* global MilestoneSelect */
 /* global LabelsSelect */
-/* global IssuableContext */
+import IssuableContext from './issuable_context';
 /* global Sidebar */
 
 import DueDateSelectors from './due_date_select';
diff --git a/app/assets/javascripts/issuable_bulk_update_actions.js b/app/assets/javascripts/issuable_bulk_update_actions.js
index eb15949603f..b124fafec70 100644
--- a/app/assets/javascripts/issuable_bulk_update_actions.js
+++ b/app/assets/javascripts/issuable_bulk_update_actions.js
@@ -1,5 +1,4 @@
 /* eslint-disable comma-dangle, quotes, consistent-return, func-names, array-callback-return, space-before-function-paren, prefer-arrow-callback, max-len, no-unused-expressions, no-sequences, no-underscore-dangle, no-unused-vars, no-param-reassign */
-/* global IssuableIndex */
 import _ from 'underscore';
 import Flash from './flash';
 
diff --git a/app/assets/javascripts/issuable_bulk_update_sidebar.js b/app/assets/javascripts/issuable_bulk_update_sidebar.js
index 0e8a0519928..bb509089b1d 100644
--- a/app/assets/javascripts/issuable_bulk_update_sidebar.js
+++ b/app/assets/javascripts/issuable_bulk_update_sidebar.js
@@ -5,6 +5,10 @@
 /* global SubscriptionSelect */
 
 import IssuableBulkUpdateActions from './issuable_bulk_update_actions';
+import './milestone_select';
+import './issue_status_select';
+import './subscription_select';
+import './labels_select';
 
 const HIDDEN_CLASS = 'hidden';
 const DISABLED_CONTENT_CLASS = 'disabled-content';
diff --git a/app/assets/javascripts/issuable_context.js b/app/assets/javascripts/issuable_context.js
index 73791edaebb..5bc7f8d9cb9 100644
--- a/app/assets/javascripts/issuable_context.js
+++ b/app/assets/javascripts/issuable_context.js
@@ -1,33 +1,35 @@
-/* eslint-disable func-names, space-before-function-paren, wrap-iife, no-new, comma-dangle, quotes, prefer-arrow-callback, consistent-return, one-var, no-var, one-var-declaration-per-line, no-underscore-dangle, max-len */
 import Cookies from 'js-cookie';
 import bp from './breakpoints';
 import UsersSelect from './users_select';
 
 const PARTICIPANTS_ROW_COUNT = 7;
 
-(function() {
-  this.IssuableContext = (function() {
-    function IssuableContext(currentUser) {
-      this.initParticipants();
-      new UsersSelect(currentUser);
-      $('select.select2').select2({
-        width: 'resolve',
-        dropdownAutoWidth: true
-      });
-      $(".issuable-sidebar .inline-update").on("change", "select", function() {
-        return $(this).submit();
-      });
-      $(".issuable-sidebar .inline-update").on("change", ".js-assignee", function() {
-        return $(this).submit();
-      });
-      $(document).off('click', '.issuable-sidebar .dropdown-content a').on('click', '.issuable-sidebar .dropdown-content a', function(e) {
-        return e.preventDefault();
-      });
-      $(document).off('click', '.edit-link').on('click', '.edit-link', function(e) {
-        var $block, $selectbox;
+export default class IssuableContext {
+  constructor(currentUser) {
+    this.initParticipants();
+    this.userSelect = new UsersSelect(currentUser);
+
+    $('select.select2').select2({
+      width: 'resolve',
+      dropdownAutoWidth: true,
+    });
+
+    $('.issuable-sidebar .inline-update').on('change', 'select', function onClickSelect() {
+      return $(this).submit();
+    });
+    $('.issuable-sidebar .inline-update').on('change', '.js-assignee', function onClickAssignee() {
+      return $(this).submit();
+    });
+    $(document)
+      .off('click', '.issuable-sidebar .dropdown-content a')
+      .on('click', '.issuable-sidebar .dropdown-content a', e => e.preventDefault());
+
+    $(document)
+      .off('click', '.edit-link')
+      .on('click', '.edit-link', function onClickEdit(e) {
         e.preventDefault();
-        $block = $(this).parents('.block');
-        $selectbox = $block.find('.selectbox');
+        const $block = $(this).parents('.block');
+        const $selectbox = $block.find('.selectbox');
         if ($selectbox.is(':visible')) {
           $selectbox.hide();
           $block.find('.value').show();
@@ -35,46 +37,43 @@ const PARTICIPANTS_ROW_COUNT = 7;
           $selectbox.show();
           $block.find('.value').hide();
         }
+
         if ($selectbox.is(':visible')) {
-          return setTimeout(function() {
-            return $block.find('.dropdown-menu-toggle').trigger('click');
-          }, 0);
+          setTimeout(() => $block.find('.dropdown-menu-toggle').trigger('click'), 0);
         }
       });
-      window.addEventListener('beforeunload', function() {
-        // collapsed_gutter cookie hides the sidebar
-        var bpBreakpoint = bp.getBreakpointSize();
-        if (bpBreakpoint === 'xs' || bpBreakpoint === 'sm') {
-          Cookies.set('collapsed_gutter', true);
-        }
-      });
-    }
 
-    IssuableContext.prototype.initParticipants = function() {
-      $(document).on('click', '.js-participants-more', this.toggleHiddenParticipants);
-      return $('.js-participants-author').each(function(i) {
-        if (i >= PARTICIPANTS_ROW_COUNT) {
-          return $(this).addClass('js-participants-hidden').hide();
-        }
-      });
-    };
+    window.addEventListener('beforeunload', () => {
+      // collapsed_gutter cookie hides the sidebar
+      const bpBreakpoint = bp.getBreakpointSize();
+      if (bpBreakpoint === 'xs' || bpBreakpoint === 'sm') {
+        Cookies.set('collapsed_gutter', true);
+      }
+    });
+  }
 
-    IssuableContext.prototype.toggleHiddenParticipants = function() {
-      const currentText = $(this).text().trim();
-      const lessText = $(this).data('less-text');
-      const originalText = $(this).data('original-text');
+  initParticipants() {
+    $(document).on('click', '.js-participants-more', this.toggleHiddenParticipants);
+    return $('.js-participants-author').each(function forEachAuthor(i) {
+      if (i >= PARTICIPANTS_ROW_COUNT) {
+        $(this).addClass('js-participants-hidden').hide();
+      }
+    });
+  }
 
-      if (currentText === originalText) {
-        $(this).text(lessText);
+  toggleHiddenParticipants() {
+    const currentText = $(this).text().trim();
+    const lessText = $(this).data('less-text');
+    const originalText = $(this).data('original-text');
 
-        if (gl.lazyLoader) gl.lazyLoader.loadCheck();
-      } else {
-        $(this).text(originalText);
-      }
+    if (currentText === originalText) {
+      $(this).text(lessText);
 
-      $('.js-participants-hidden').toggle();
-    };
+      if (gl.lazyLoader) gl.lazyLoader.loadCheck();
+    } else {
+      $(this).text(originalText);
+    }
 
-    return IssuableContext;
-  })();
-}).call(window);
+    $('.js-participants-hidden').toggle();
+  }
+}
diff --git a/app/assets/javascripts/issuable_form.js b/app/assets/javascripts/issuable_form.js
index 26dd946984d..57dcaa0e1ac 100644
--- a/app/assets/javascripts/issuable_form.js
+++ b/app/assets/javascripts/issuable_form.js
@@ -1,4 +1,4 @@
-/* eslint-disable func-names, space-before-function-paren, no-var, prefer-rest-params, wrap-iife, no-use-before-define, no-useless-escape, no-new, quotes, object-shorthand, no-unused-vars, comma-dangle, no-alert, consistent-return, no-else-return, prefer-template, one-var, one-var-declaration-per-line, curly, max-len */
+/* eslint-disable func-names, prefer-rest-params, wrap-iife, no-use-before-define, no-useless-escape, no-new, object-shorthand, no-unused-vars, comma-dangle, no-alert, consistent-return, no-else-return, prefer-template, one-var, one-var-declaration-per-line, curly, max-len */
 /* global GitLab */
 
 import Pikaday from 'pikaday';
@@ -8,103 +8,100 @@ import GfmAutoComplete from './gfm_auto_complete';
 import ZenMode from './zen_mode';
 import { parsePikadayDate, pikadayToString } from './lib/utils/datefix';
 
-(function() {
-  this.IssuableForm = (function() {
-    IssuableForm.prototype.wipRegex = /^\s*(\[WIP\]\s*|WIP:\s*|WIP\s+)+\s*/i;
-
-    function IssuableForm(form) {
-      var $issuableDueDate, calendar;
-      this.form = form;
-      this.toggleWip = this.toggleWip.bind(this);
-      this.renderWipExplanation = this.renderWipExplanation.bind(this);
-      this.resetAutosave = this.resetAutosave.bind(this);
-      this.handleSubmit = this.handleSubmit.bind(this);
-      new GfmAutoComplete(gl.GfmAutoComplete && gl.GfmAutoComplete.dataSources).setup();
-      new UsersSelect();
-      new ZenMode();
-      this.titleField = this.form.find("input[name*='[title]']");
-      this.descriptionField = this.form.find("textarea[name*='[description]']");
-      if (!(this.titleField.length && this.descriptionField.length)) {
-        return;
-      }
-      this.initAutosave();
-      this.form.on("submit", this.handleSubmit);
-      this.form.on("click", ".btn-cancel", this.resetAutosave);
-      this.initWip();
-      $issuableDueDate = $('#issuable-due-date');
-      if ($issuableDueDate.length) {
-        calendar = new Pikaday({
-          field: $issuableDueDate.get(0),
-          theme: 'gitlab-theme animate-picker',
-          format: 'yyyy-mm-dd',
-          container: $issuableDueDate.parent().get(0),
-          parse: dateString => parsePikadayDate(dateString),
-          toString: date => pikadayToString(date),
-          onSelect: function(dateText) {
-            $issuableDueDate.val(calendar.toString(dateText));
-          }
-        });
-        calendar.setDate(parsePikadayDate($issuableDueDate.val()));
-      }
+export default class IssuableForm {
+  constructor(form) {
+    this.form = form;
+    this.toggleWip = this.toggleWip.bind(this);
+    this.renderWipExplanation = this.renderWipExplanation.bind(this);
+    this.resetAutosave = this.resetAutosave.bind(this);
+    this.handleSubmit = this.handleSubmit.bind(this);
+    this.wipRegex = /^\s*(\[WIP\]\s*|WIP:\s*|WIP\s+)+\s*/i;
+
+    new GfmAutoComplete(gl.GfmAutoComplete && gl.GfmAutoComplete.dataSources).setup();
+    new UsersSelect();
+    new ZenMode();
+
+    this.titleField = this.form.find('input[name*="[title]"]');
+    this.descriptionField = this.form.find('textarea[name*="[description]"]');
+    if (!(this.titleField.length && this.descriptionField.length)) {
+      return;
     }
 
-    IssuableForm.prototype.initAutosave = function() {
-      new Autosave(this.titleField, [document.location.pathname, document.location.search, "title"]);
-      return new Autosave(this.descriptionField, [document.location.pathname, document.location.search, "description"]);
-    };
-
-    IssuableForm.prototype.handleSubmit = function() {
-      return this.resetAutosave();
-    };
-
-    IssuableForm.prototype.resetAutosave = function() {
-      this.titleField.data("autosave").reset();
-      return this.descriptionField.data("autosave").reset();
-    };
-
-    IssuableForm.prototype.initWip = function() {
-      this.$wipExplanation = this.form.find(".js-wip-explanation");
-      this.$noWipExplanation = this.form.find(".js-no-wip-explanation");
-      if (!(this.$wipExplanation.length && this.$noWipExplanation.length)) {
-        return;
-      }
-      this.form.on("click", ".js-toggle-wip", this.toggleWip);
-      this.titleField.on("keyup blur", this.renderWipExplanation);
-      return this.renderWipExplanation();
-    };
-
-    IssuableForm.prototype.workInProgress = function() {
-      return this.wipRegex.test(this.titleField.val());
-    };
-
-    IssuableForm.prototype.renderWipExplanation = function() {
-      if (this.workInProgress()) {
-        this.$wipExplanation.show();
-        return this.$noWipExplanation.hide();
-      } else {
-        this.$wipExplanation.hide();
-        return this.$noWipExplanation.show();
-      }
-    };
-
-    IssuableForm.prototype.toggleWip = function(event) {
-      event.preventDefault();
-      if (this.workInProgress()) {
-        this.removeWip();
-      } else {
-        this.addWip();
-      }
-      return this.renderWipExplanation();
-    };
-
-    IssuableForm.prototype.removeWip = function() {
-      return this.titleField.val(this.titleField.val().replace(this.wipRegex, ""));
-    };
-
-    IssuableForm.prototype.addWip = function() {
-      return this.titleField.val("WIP: " + (this.titleField.val()));
-    };
-
-    return IssuableForm;
-  })();
-}).call(window);
+    this.initAutosave();
+    this.form.on('submit', this.handleSubmit);
+    this.form.on('click', '.btn-cancel', this.resetAutosave);
+    this.initWip();
+
+    const $issuableDueDate = $('#issuable-due-date');
+
+    if ($issuableDueDate.length) {
+      const calendar = new Pikaday({
+        field: $issuableDueDate.get(0),
+        theme: 'gitlab-theme animate-picker',
+        format: 'yyyy-mm-dd',
+        container: $issuableDueDate.parent().get(0),
+        parse: dateString => parsePikadayDate(dateString),
+        toString: date => pikadayToString(date),
+        onSelect: dateText => $issuableDueDate.val(calendar.toString(dateText)),
+      });
+      calendar.setDate(parsePikadayDate($issuableDueDate.val()));
+    }
+  }
+
+  initAutosave() {
+    new Autosave(this.titleField, [document.location.pathname, document.location.search, 'title']);
+    return new Autosave(this.descriptionField, [document.location.pathname, document.location.search, 'description']);
+  }
+
+  handleSubmit() {
+    return this.resetAutosave();
+  }
+
+  resetAutosave() {
+    this.titleField.data('autosave').reset();
+    return this.descriptionField.data('autosave').reset();
+  }
+
+  initWip() {
+    this.$wipExplanation = this.form.find('.js-wip-explanation');
+    this.$noWipExplanation = this.form.find('.js-no-wip-explanation');
+    if (!(this.$wipExplanation.length && this.$noWipExplanation.length)) {
+      return;
+    }
+    this.form.on('click', '.js-toggle-wip', this.toggleWip);
+    this.titleField.on('keyup blur', this.renderWipExplanation);
+    return this.renderWipExplanation();
+  }
+
+  workInProgress() {
+    return this.wipRegex.test(this.titleField.val());
+  }
+
+  renderWipExplanation() {
+    if (this.workInProgress()) {
+      this.$wipExplanation.show();
+      return this.$noWipExplanation.hide();
+    } else {
+      this.$wipExplanation.hide();
+      return this.$noWipExplanation.show();
+    }
+  }
+
+  toggleWip(event) {
+    event.preventDefault();
+    if (this.workInProgress()) {
+      this.removeWip();
+    } else {
+      this.addWip();
+    }
+    return this.renderWipExplanation();
+  }
+
+  removeWip() {
+    return this.titleField.val(this.titleField.val().replace(this.wipRegex, ''));
+  }
+
+  addWip() {
+    this.titleField.val(`WIP: ${(this.titleField.val())}`);
+  }
+}
diff --git a/app/assets/javascripts/issuable_index.js b/app/assets/javascripts/issuable_index.js
index ece0220c927..0b123a11a3b 100644
--- a/app/assets/javascripts/issuable_index.js
+++ b/app/assets/javascripts/issuable_index.js
@@ -1,171 +1,42 @@
-/* eslint-disable no-param-reassign, func-names, no-var, camelcase, no-unused-vars, object-shorthand, space-before-function-paren, no-return-assign, comma-dangle, consistent-return, one-var, one-var-declaration-per-line, quotes, prefer-template, prefer-arrow-callback, wrap-iife, max-len */
-/* global IssuableIndex */
-import _ from 'underscore';
 import IssuableBulkUpdateSidebar from './issuable_bulk_update_sidebar';
 import IssuableBulkUpdateActions from './issuable_bulk_update_actions';
 
-((global) => {
-  var issuable_created;
-
-  issuable_created = false;
-
-  global.IssuableIndex = {
-    init: function(pagePrefix) {
-      IssuableIndex.initTemplates();
-      IssuableIndex.initSearch();
-      IssuableIndex.initBulkUpdate(pagePrefix);
-      IssuableIndex.initResetFilters();
-      IssuableIndex.resetIncomingEmailToken();
-      IssuableIndex.initLabelFilterRemove();
-    },
-    initTemplates: function() {
-      return IssuableIndex.labelRow = _.template('<% _.each(labels, function(label){ %> <span class="label-row btn-group" role="group" aria-label="<%- label.title %>" style="color: <%- label.text_color %>;"> <a href="#" class="btn btn-transparent has-tooltip" style="background-color: <%- label.color %>;" title="<%- label.description %>" data-container="body"> <%- label.title %> </a> <button type="button" class="btn btn-transparent label-remove js-label-filter-remove" style="background-color: <%- label.color %>;" data-label="<%- label.title %>"> <i class="fa fa-times"></i> </button> </span> <% }); %>');
-    },
-    initSearch: function() {
-      const $searchInput = $('#issuable_search');
-
-      IssuableIndex.initSearchState($searchInput);
-
-      // `immediate` param set to false debounces on the `trailing` edge, lets user finish typing
-      const debouncedExecSearch = _.debounce(IssuableIndex.executeSearch, 1000, false);
-
-      $searchInput.off('keyup').on('keyup', debouncedExecSearch);
-
-      // ensures existing filters are preserved when manually submitted
-      $('#issuable_search_form').on('submit', (e) => {
-        e.preventDefault();
-        debouncedExecSearch(e);
-      });
-    },
-    initSearchState: function($searchInput) {
-      const currentSearchVal = $searchInput.val();
-
-      IssuableIndex.searchState = {
-        elem: $searchInput,
-        current: currentSearchVal
-      };
-
-      IssuableIndex.maybeFocusOnSearch();
-    },
-    accessSearchPristine: function(set) {
-      // store reference to previous value to prevent search on non-mutating keyup
-      const state = IssuableIndex.searchState;
-      const currentSearchVal = state.elem.val();
-
-      if (set) {
-        state.current = currentSearchVal;
-      } else {
-        return state.current === currentSearchVal;
-      }
-    },
-    maybeFocusOnSearch: function() {
-      const currentSearchVal = IssuableIndex.searchState.current;
-      if (currentSearchVal && currentSearchVal !== '') {
-        const queryLength = currentSearchVal.length;
-        const $searchInput = IssuableIndex.searchState.elem;
-
-      /* The following ensures that the cursor is initially placed at
-        * the end of search input when focus is applied. It accounts
-        * for differences in browser implementations of `setSelectionRange`
-        * and cursor placement for elements in focus.
-      */
-        $searchInput.focus();
-        if ($searchInput.setSelectionRange) {
-          $searchInput.setSelectionRange(queryLength, queryLength);
-        } else {
-          $searchInput.val(currentSearchVal);
-        }
-      }
-    },
-    executeSearch: function(e) {
-      const $search = $('#issuable_search');
-      const $searchName = $search.attr('name');
-      const $searchValue = $search.val();
-      const $filtersForm = $('.js-filter-form');
-      const $input = $(`input[name='${$searchName}']`, $filtersForm);
-      const isPristine = IssuableIndex.accessSearchPristine();
-
-      if (isPristine) {
-        return;
-      }
-
-      if (!$input.length) {
-        $filtersForm.append(`<input type='hidden' name='${$searchName}' value='${_.escape($searchValue)}'/>`);
-      } else {
-        $input.val($searchValue);
-      }
-
-      IssuableIndex.filterResults($filtersForm);
-    },
-    initLabelFilterRemove: function() {
-      return $(document).off('click', '.js-label-filter-remove').on('click', '.js-label-filter-remove', function(e) {
-        var $button;
-        $button = $(this);
-        // Remove the label input box
-        $('input[name="label_name[]"]').filter(function() {
-          return this.value === $button.data('label');
-        }).remove();
-        // Submit the form to get new data
-        IssuableIndex.filterResults($('.filter-form'));
-      });
-    },
-    filterResults: (function(_this) {
-      return function(form) {
-        var formAction, formData, issuesUrl;
-        formData = form.serializeArray();
-        formData = formData.filter(function(data) {
-          return data.value !== '';
-        });
-        formData = $.param(formData);
-        formAction = form.attr('action');
-        issuesUrl = formAction;
-        issuesUrl += "" + (formAction.indexOf('?') === -1 ? '?' : '&');
-        issuesUrl += formData;
-        return gl.utils.visitUrl(issuesUrl);
-      };
-    })(this),
-    initResetFilters: function() {
-      $('.reset-filters').on('click', function(e) {
-        e.preventDefault();
-        const target = e.target;
-        const $form = $(target).parents('.js-filter-form');
-        const baseIssuesUrl = target.href;
-
-        $form.attr('action', baseIssuesUrl);
-        gl.utils.visitUrl(baseIssuesUrl);
+export default class IssuableIndex {
+  constructor(pagePrefix) {
+    this.initBulkUpdate(pagePrefix);
+    IssuableIndex.resetIncomingEmailToken();
+  }
+  initBulkUpdate(pagePrefix) {
+    const userCanBulkUpdate = $('.issues-bulk-update').length > 0;
+    const alreadyInitialized = !!this.bulkUpdateSidebar;
+
+    if (userCanBulkUpdate && !alreadyInitialized) {
+      IssuableBulkUpdateActions.init({
+        prefixId: pagePrefix,
       });
-    },
-    initBulkUpdate: function(pagePrefix) {
-      const userCanBulkUpdate = $('.issues-bulk-update').length > 0;
-      const alreadyInitialized = !!this.bulkUpdateSidebar;
-
-      if (userCanBulkUpdate && !alreadyInitialized) {
-        IssuableBulkUpdateActions.init({
-          prefixId: pagePrefix,
-        });
-
-        this.bulkUpdateSidebar = new IssuableBulkUpdateSidebar();
-      }
-    },
-    resetIncomingEmailToken: function() {
-      $('.incoming-email-token-reset').on('click', function(e) {
-        e.preventDefault();
 
-        $.ajax({
-          type: 'PUT',
-          url: $('.incoming-email-token-reset').attr('href'),
-          dataType: 'json',
-          success: function(response) {
-            $('#issue_email').val(response.new_issue_address).focus();
-          },
-          beforeSend: function() {
-            $('.incoming-email-token-reset').text('resetting...');
-          },
-          complete: function() {
-            $('.incoming-email-token-reset').text('reset it');
-          }
-        });
-      });
+      this.bulkUpdateSidebar = new IssuableBulkUpdateSidebar();
     }
-  };
-})(window);
+  }
+
+  static resetIncomingEmailToken() {
+    $('.incoming-email-token-reset').on('click', (e) => {
+      e.preventDefault();
+
+      $.ajax({
+        type: 'PUT',
+        url: $('.incoming-email-token-reset').attr('href'),
+        dataType: 'json',
+        success(response) {
+          $('#issue_email').val(response.new_issue_address).focus();
+        },
+        beforeSend() {
+          $('.incoming-email-token-reset').text('resetting...');
+        },
+        complete() {
+          $('.incoming-email-token-reset').text('reset it');
+        },
+      });
+    });
+  }
+}
diff --git a/app/assets/javascripts/main.js b/app/assets/javascripts/main.js
index 7f045338417..fd9d0c335a5 100644
--- a/app/assets/javascripts/main.js
+++ b/app/assets/javascripts/main.js
@@ -55,9 +55,7 @@ import './gl_field_error';
 import './gl_field_errors';
 import './gl_form';
 import './header';
-import './importer_status';
-import './issuable_index';
-import './issuable_context';
+import initImporterStatus from './importer_status';
 import './issuable_form';
 import './issue';
 import './issue_status_select';
@@ -138,6 +136,7 @@ $(function () {
   var fitSidebarForSize;
 
   initBreadcrumbs();
+  initImporterStatus();
 
   // Set the default path for all cookies to GitLab's root directory
   Cookies.defaults.path = gon.relative_url_root || '/';
diff --git a/spec/javascripts/issuable_context_spec.js b/spec/javascripts/issuable_context_spec.js
index bcb2b7b24a0..f266209027a 100644
--- a/spec/javascripts/issuable_context_spec.js
+++ b/spec/javascripts/issuable_context_spec.js
@@ -1,6 +1,5 @@
-/* global IssuableContext */
-import '~/issuable_context';
 import $ from 'jquery';
+import IssuableContext from '~/issuable_context';
 
 describe('IssuableContext', () => {
   describe('toggleHiddenParticipants', () => {
diff --git a/spec/javascripts/issuable_spec.js b/spec/javascripts/issuable_spec.js
index 45f55395d3a..ceee08d47c5 100644
--- a/spec/javascripts/issuable_spec.js
+++ b/spec/javascripts/issuable_spec.js
@@ -1,80 +1,44 @@
-/* global IssuableIndex */
-
-import '~/lib/utils/url_utility';
-import '~/issuable_index';
-
-(() => {
-  const BASE_URL = '/user/project/issues?scope=all&state=closed';
-  const DEFAULT_PARAMS = '&utf8=%E2%9C%93';
-
-  function updateForm(formValues, form) {
-    $.each(formValues, (id, value) => {
-      $(`#${id}`, form).val(value);
-    });
-  }
-
-  function resetForm(form) {
-    $('input[name!="utf8"]', form).each((index, input) => {
-      input.setAttribute('value', '');
+import IssuableIndex from '~/issuable_index';
+
+describe('Issuable', () => {
+  let Issuable;
+  describe('initBulkUpdate', () => {
+    it('should not set bulkUpdateSidebar', () => {
+      Issuable = new IssuableIndex('issue_');
+      expect(Issuable.bulkUpdateSidebar).not.toBeDefined();
     });
-  }
 
-  describe('Issuable', () => {
-    preloadFixtures('static/issuable_filter.html.raw');
+    it('should set bulkUpdateSidebar', () => {
+      const element = document.createElement('div');
+      element.classList.add('issues-bulk-update');
+      document.body.appendChild(element);
 
-    beforeEach(() => {
-      loadFixtures('static/issuable_filter.html.raw');
-      IssuableIndex.init();
-    });
-
-    it('should be defined', () => {
-      expect(window.IssuableIndex).toBeDefined();
+      Issuable = new IssuableIndex('issue_');
+      expect(Issuable.bulkUpdateSidebar).toBeDefined();
     });
+  });
 
-    describe('filtering', () => {
-      let $filtersForm;
-
-      beforeEach(() => {
-        $filtersForm = $('.js-filter-form');
-        loadFixtures('static/issuable_filter.html.raw');
-        resetForm($filtersForm);
-      });
-
-      it('should contain only the default parameters', () => {
-        spyOn(gl.utils, 'visitUrl');
-
-        IssuableIndex.filterResults($filtersForm);
-
-        expect(gl.utils.visitUrl).toHaveBeenCalledWith(BASE_URL + DEFAULT_PARAMS);
-      });
-
-      it('should filter for the phrase "broken"', () => {
-        spyOn(gl.utils, 'visitUrl');
-
-        updateForm({ search: 'broken' }, $filtersForm);
-        IssuableIndex.filterResults($filtersForm);
-        const params = `${DEFAULT_PARAMS}&search=broken`;
-
-        expect(gl.utils.visitUrl).toHaveBeenCalledWith(BASE_URL + params);
-      });
-
-      it('should keep query parameters after modifying filter', () => {
-        spyOn(gl.utils, 'visitUrl');
+  describe('resetIncomingEmailToken', () => {
+    beforeEach(() => {
+      const element = document.createElement('a');
+      element.classList.add('incoming-email-token-reset');
+      element.setAttribute('href', 'foo');
+      document.body.appendChild(element);
 
-        // initial filter
-        updateForm({ milestone_title: 'v1.0' }, $filtersForm);
+      const input = document.createElement('input');
+      input.setAttribute('id', 'issue_email');
+      document.body.appendChild(input);
 
-        IssuableIndex.filterResults($filtersForm);
-        let params = `${DEFAULT_PARAMS}&milestone_title=v1.0`;
-        expect(gl.utils.visitUrl).toHaveBeenCalledWith(BASE_URL + params);
+      Issuable = new IssuableIndex('issue_');
+    });
 
-        // update filter
-        updateForm({ label_name: 'Frontend' }, $filtersForm);
+    it('should send request to reset email token', () => {
+      spyOn(jQuery, 'ajax').and.callThrough();
+      document.querySelector('.incoming-email-token-reset').click();
 
-        IssuableIndex.filterResults($filtersForm);
-        params = `${DEFAULT_PARAMS}&milestone_title=v1.0&label_name=Frontend`;
-        expect(gl.utils.visitUrl).toHaveBeenCalledWith(BASE_URL + params);
-      });
+      expect(jQuery.ajax).toHaveBeenCalled();
+      expect(jQuery.ajax.calls.argsFor(0)[0].url).toEqual('foo');
     });
   });
-})();
+});
+
diff --git a/spec/javascripts/labels_issue_sidebar_spec.js b/spec/javascripts/labels_issue_sidebar_spec.js
index e47adc49224..4e66304e0ad 100644
--- a/spec/javascripts/labels_issue_sidebar_spec.js
+++ b/spec/javascripts/labels_issue_sidebar_spec.js
@@ -1,12 +1,11 @@
 /* eslint-disable no-new */
-/* global IssuableContext */
+import IssuableContext from '~/issuable_context';
 /* global LabelsSelect */
 
 import '~/gl_dropdown';
 import 'select2';
 import '~/api';
 import '~/create_label';
-import '~/issuable_context';
 import '~/users_select';
 import '~/labels_select';