Editor Lite type constants

app/assets/javascripts/editor/constants.js

@@ -13,6 +13,9 @@ export const ERROR_INSTANCE_REQUIRED_FOR_EXTENSION = __(
 
 export const EDITOR_READY_EVENT = 'editor-ready';
 
+export const EDITOR_TYPE_CODE = 'vs.editor.ICodeEditor';
+export const EDITOR_TYPE_DIFF = 'vs.editor.IDiffEditor';
+
 //
 // EXTENSIONS' CONSTANTS
 //

spec/frontend/ide/lib/editor_spec.js

@@ -7,6 +7,7 @@ import {
 import Editor from '~/ide/lib/editor';
 import { createStore } from '~/ide/stores';
 import { defaultEditorOptions } from '~/ide/lib/editor_options';
+import { EDITOR_TYPE_DIFF } from '~/editor/constants';
 import { file } from '../helpers';
 
 describe('Multi-file editor library', () => {
@@ -125,7 +126,7 @@ describe('Multi-file editor library', () => {
     });
 
     it('sets original & modified when diff editor', () => {
-      jest.spyOn(instance.instance, 'getEditorType').mockReturnValue('vs.editor.IDiffEditor');
+      jest.spyOn(instance.instance, 'getEditorType').mockReturnValue(EDITOR_TYPE_DIFF);
       jest.spyOn(instance.instance, 'setModel').mockImplementation(() => {});
 
       instance.attachModel(model);