feat: support to get groupId via tabId (#431)

Author: mortalYoung

src/services/workbench/__tests__/editorService.test.tsx

@@ -365,6 +365,29 @@ describe('Test EditorService', () => {
         expect(updated.name).toBe('updateGroup');
     });
 
+    test('Should support to get the groupId via tab', () => {
+        const editor = new EditorService();
+        editor.open(mockTab);
+
+        let groupId = editor.getGroupIdByTab(mockTab.id!);
+        expect(groupId).toBe(1);
+
+        groupId = editor.getGroupIdByTab('non-exist');
+        expect(groupId).toBeNull();
+
+        editor.open(mockTab, 2);
+        const groups = editor.getState().groups;
+        expect(groups).toHaveLength(2);
+        // To be sure mockTab is opened both in two groups
+        expect(
+            groups!.every((group) => editor.getTabById(mockTab.id!, group))
+        ).toBeTruthy();
+
+        // Only get the first one
+        groupId = editor.getGroupIdByTab(mockTab.id!);
+        expect(groupId).toBe(1);
+    });
+
     test('Listen to the Tab update event', () => {
         const editor = new EditorService();
         expectFnCalled((testFn) => {

src/services/workbench/editorService.ts

@@ -184,6 +184,11 @@ export interface IEditorService extends Component<IEditor> {
      * The instance of MonacoEditor
      */
     readonly editorInstance: MonacoEditor.IStandaloneCodeEditor;
+    /**
+     * Get the group's id which contains the tab
+     * @param tabId
+     */
+    getGroupIdByTab(tabId: string): number | null;
 }
 @singleton()
 export class EditorService
@@ -480,6 +485,19 @@ export class EditorService
         return groups!.findIndex(searchById(id));
     }
 
+    public getGroupIdByTab(tabId: string) {
+        const { groups = [] } = this.state;
+        const isOpened = this.isOpened(tabId, groups);
+        if (isOpened) {
+            const targetGroup = groups.find((group) =>
+                this.getTabById(tabId, group)
+            )!;
+            return targetGroup.id!;
+        } else {
+            return null;
+        }
+    }
+
     public setActive(groupId: number, tabId: string) {
         const { groups = [] } = this.state;
         const groupIndex = this.getGroupIndexById(groupId);