Reorg layout exports

Only export en_US directly, the rest in a collection

Author: vidartf

packages/keyboard/src/index.ts

@@ -15,8 +15,11 @@
 import { IKeyboardLayout } from './core';
 export { IKeyboardLayout, KeycodeLayout } from './core';
 
+export { EN_US } from './layouts';
 import { EN_US } from './layouts';
-export * from './layouts';
+import * as Layouts from './layouts';
+
+export const KeyboardLayouts = Object.values(Layouts);
 
 /**
  * Get the global application keyboard layout instance.

packages/keyboard/tests/src/index.spec.ts

@@ -11,13 +11,15 @@ import { expect } from 'chai';
 
 import {
   EN_US,
-  FR_FR,
   getKeyboardLayout,
+  KeyboardLayouts,
   KeycodeLayout,
-  NB_NO,
   setKeyboardLayout
 } from '@lumino/keyboard';
 
+const FR_FR = KeyboardLayouts.find(layout => layout.name === 'fr-FR');
+const NB_NO = KeyboardLayouts.find(layout => layout.name === 'nb-NO');
+
 describe('@lumino/keyboard', () => {
   describe('getKeyboardLayout()', () => {
     it('should return the global keyboard layout', () => {