Remove EE-specific parts from FilteredSearchManager

app/assets/javascripts/filtered_search/filtered_search_manager.js

 import _ from 'underscore';
 import { getParameterByName, getUrlParamsArray } from '~/lib/utils/common_utils';
 import IssuableFilteredSearchTokenKeys from '~/filtered_search/issuable_filtered_search_token_keys';
+import recentSearchesStorageKeys from 'ee_else_ce/filtered_search/recent_searches_storage_keys';
 import { visitUrl } from '../lib/utils/url_utility';
 import Flash from '../flash';
 import FilteredSearchContainer from './container';
@@ -36,13 +37,11 @@ export default class FilteredSearchManager {
     this.tokensContainer = this.container.querySelector('.tokens-container');
     this.filteredSearchTokenKeys = filteredSearchTokenKeys;
     this.stateFiltersSelector = stateFiltersSelector;
-    this.recentsStorageKeyNames = {
-      issues: 'issue-recent-searches',
-      merge_requests: 'merge-request-recent-searches',
-    };
 
-    // EE specific setup
-    this.initEE();
+    const { multipleAssignees } = this.filteredSearchInput.dataset;
+    if (multipleAssignees && this.filteredSearchTokenKeys.enableMultipleAssignees) {
+      this.filteredSearchTokenKeys.enableMultipleAssignees();
+    }
 
     this.recentSearchesStore = new RecentSearchesStore({
       isLocalStorageAvailable: RecentSearchesService.isAvailable(),
@@ -54,30 +53,10 @@ export default class FilteredSearchManager {
     const fullPath = this.searchHistoryDropdownElement
       ? this.searchHistoryDropdownElement.dataset.fullPath
       : 'project';
-    const recentSearchesKey = `${fullPath}-${this.recentsStorageKeyNames[this.page]}`;
+    const recentSearchesKey = `${fullPath}-${recentSearchesStorageKeys[this.page]}`;
     this.recentSearchesService = new RecentSearchesService(recentSearchesKey);
   }
 
-  /**
-   * Do EE specific initializations
-   */
-  initEE() {
-    // Setup token keys for multiple-assignees support
-    if (typeof this.filteredSearchTokenKeys.init === 'function') {
-      this.filteredSearchTokenKeys.init({
-        multipleAssignees: this.filteredSearchInput.dataset.multipleAssignees,
-      });
-    }
-
-    // Add localStorage key name for Epics recent searches
-    this.recentsStorageKeyNames.epics = 'epics-recent-searches';
-
-    // Update `isGroup` from DOM info
-    if (this.filteredSearchInput) {
-      this.isGroup = !!this.filteredSearchInput.getAttribute('data-group-id');
-    }
-  }
-
   setup() {
     // Fetch recent searches from localStorage
     this.fetchingRecentSearchesPromise = this.recentSearchesService

app/assets/javascripts/filtered_search/recent_searches_storage_keys.js

+export default {
+  issues: 'issue-recent-searches',
+  merge_requests: 'merge-request-recent-searches',
+};

ee/app/assets/javascripts/filtered_search/issuable_filtered_search_token_keys.js

@@ -29,23 +29,23 @@ const weightConditions = [
 
 /**
  * Filter tokens for issues in EE.
- *
- * @type {FilteredSearchTokenKeys}
  */
-const IssuesFilteredSearchTokenKeysEE = new FilteredSearchTokenKeys(
-  [...tokenKeys, weightTokenKey],
-  alternativeTokenKeys,
-  [...conditions, ...weightConditions],
-);
+class IssuesFilteredSearchTokenKeysEE extends FilteredSearchTokenKeys {
+  constructor() {
+    super([...tokenKeys, weightTokenKey], alternativeTokenKeys, [
+      ...conditions,
+      ...weightConditions,
+    ]);
+  }
 
-// cannot be an arrow function because it needs FilteredSearchTokenKeys instance
-IssuesFilteredSearchTokenKeysEE.init = function init(availableFeatures) {
-  // Enable multiple assignees when available
-  if (availableFeatures && availableFeatures.multipleAssignees) {
+  /**
+   * Changes assignee token to accept multiple values.
+   */
+  enableMultipleAssignees() {
     const assigneeTokenKey = this.tokenKeys.find(tk => tk.key === 'assignee');
     assigneeTokenKey.type = 'array';
     assigneeTokenKey.param = 'username[]';
   }
-};
+}
 
-export default IssuesFilteredSearchTokenKeysEE;
+export default new IssuesFilteredSearchTokenKeysEE();

ee/app/assets/javascripts/filtered_search/recent_searches_storage_keys.js

+import recentSearchesStorageKeysCE from '~/filtered_search/recent_searches_storage_keys';
+
+export default {
+  ...recentSearchesStorageKeysCE,
+  epics: 'epics-recent-searches',
+};

ee/spec/javascripts/filtered_search/issues_filtered_search_token_keys_spec.js

@@ -14,9 +14,7 @@ describe('Filtered Search Token Keys (Issues EE)', () => {
     let tokenKeys;
 
     beforeEach(() => {
-      IssuableFilteredSearchTokenKeys.init({
-        multipleAssignees: true,
-      });
+      IssuableFilteredSearchTokenKeys.enableMultipleAssignees();
       tokenKeys = IssuableFilteredSearchTokenKeys.get();
     });