Add group related config and endpoint methods to be consistent with EE

app/assets/javascripts/filtered_search/filtered_search_dropdown_manager.js

@@ -10,13 +10,22 @@ import DropdownUser from './dropdown_user';
 import FilteredSearchVisualTokens from './filtered_search_visual_tokens';
 
 export default class FilteredSearchDropdownManager {
-  constructor(baseEndpoint = '', tokenizer, page, isGroup, filteredSearchTokenKeys) {
+  constructor({
+    baseEndpoint = '',
+    tokenizer,
+    page,
+    isGroup,
+    isGroupAncestor,
+    filteredSearchTokenKeys,
+  }) {
     this.container = FilteredSearchContainer.container;
     this.baseEndpoint = baseEndpoint.replace(/\/$/, '');
     this.tokenizer = tokenizer;
     this.filteredSearchTokenKeys = filteredSearchTokenKeys || FilteredSearchTokenKeys;
     this.filteredSearchInput = this.container.querySelector('.filtered-search');
     this.page = page;
+    this.groupsOnly = isGroup;
+    this.groupAncestor = isGroupAncestor;
 
     this.setupMapping();
 
@@ -59,7 +68,7 @@ export default class FilteredSearchDropdownManager {
         reference: null,
         gl: DropdownNonUser,
         extraArguments: {
-          endpoint: `${this.baseEndpoint}/milestones.json`,
+          endpoint: this.getMilestoneEndpoint(),
           symbol: '%',
         },
         element: this.container.querySelector('#js-dropdown-milestone'),
@@ -68,7 +77,7 @@ export default class FilteredSearchDropdownManager {
         reference: null,
         gl: DropdownNonUser,
         extraArguments: {
-          endpoint: `${this.baseEndpoint}/labels.json`,
+          endpoint: this.getLabelsEndpoint(),
           symbol: '~',
           preprocessing: DropdownUtils.duplicateLabelPreprocessing,
         },
@@ -90,6 +99,18 @@ export default class FilteredSearchDropdownManager {
     this.mapping = allowedMappings;
   }
 
+  getMilestoneEndpoint() {
+    const endpoint = `${this.baseEndpoint}/milestones.json`;
+
+    return endpoint;
+  }
+
+  getLabelsEndpoint() {
+    const endpoint = `${this.baseEndpoint}/labels.json`;
+
+    return endpoint;
+  }
+
   static addWordToInput(tokenName, tokenValue = '', clicked = false) {
     const input = FilteredSearchContainer.container.querySelector('.filtered-search');
 

app/assets/javascripts/filtered_search/filtered_search_manager.js

@@ -20,10 +20,13 @@ import DropdownUtils from './dropdown_utils';
 export default class FilteredSearchManager {
   constructor({
     page,
+    isGroup = false,
+    isGroupAncestor = false,
     filteredSearchTokenKeys = FilteredSearchTokenKeys,
     stateFiltersSelector = '.issues-state-filters',
   }) {
-    this.isGroup = false;
+    this.isGroup = isGroup;
+    this.isGroupAncestor = isGroupAncestor;
     this.states = ['opened', 'closed', 'merged', 'all'];
 
     this.page = page;
@@ -75,13 +78,14 @@ export default class FilteredSearchManager {
 
     if (this.filteredSearchInput) {
       this.tokenizer = FilteredSearchTokenizer;
-      this.dropdownManager = new FilteredSearchDropdownManager(
-        this.filteredSearchInput.getAttribute('data-base-endpoint') || '',
-        this.tokenizer,
-        this.page,
-        this.isGroup,
-        this.filteredSearchTokenKeys,
-      );
+      this.dropdownManager = new FilteredSearchDropdownManager({
+        baseEndpoint: this.filteredSearchInput.getAttribute('data-base-endpoint') || '',
+        tokenizer: this.tokenizer,
+        page: this.page,
+        isGroup: this.isGroup,
+        isGroupAncestor: this.isGroupAncestor,
+        filteredSearchTokenKeys: this.filteredSearchTokenKeys,
+      });
 
       this.recentSearchesRoot = new RecentSearchesRoot(
         this.recentSearchesStore,