Merge branch 'winh-jest-ee_else_ce' into 'master'

Add ee_else_ce to Jest config

See merge request gitlab-org/gitlab-ce!27040

jest.config.js

@@ -16,10 +16,13 @@ module.exports = {
   testMatch: ['<rootDir>/spec/frontend/**/*_spec.js', '<rootDir>/ee/spec/frontend/**/*_spec.js'],
   moduleFileExtensions: ['js', 'json', 'vue'],
   moduleNameMapper: {
-    '^~(.*)$': '<rootDir>/app/assets/javascripts$1',
-    '^ee(.*)$': '<rootDir>/ee/app/assets/javascripts$1',
-    '^helpers(.*)$': '<rootDir>/spec/frontend/helpers$1',
-    '^vendor(.*)$': '<rootDir>/vendor/assets/javascripts$1',
+    '^~(/.*)$': '<rootDir>/app/assets/javascripts$1',
+    '^ee(/.*)$': '<rootDir>/ee/app/assets/javascripts$1',
+    '^ee_else_ce(/.*)$': IS_EE
+      ? '<rootDir>/ee/app/assets/javascripts$1'
+      : '<rootDir>/app/assets/javascripts$1',
+    '^helpers(/.*)$': '<rootDir>/spec/frontend/helpers$1',
+    '^vendor(/.*)$': '<rootDir>/vendor/assets/javascripts$1',
     '\\.(jpg|jpeg|png|svg)$': '<rootDir>/spec/frontend/__mocks__/file_mock.js',
   },
   collectCoverageFrom: ['<rootDir>/app/assets/javascripts/**/*.{js,vue}'],