fix(localize): set default fallback locale "en-GB" (fix #152)

Author: Mikhail Bashkirov

packages/localize/src/localize.js

@@ -3,6 +3,7 @@ import { LocalizeManager } from './LocalizeManager.js';
 // eslint-disable-next-line import/no-mutable-exports
 export let localize = LocalizeManager.getInstance({
   autoLoadOnLocaleChange: true,
+  fallbackLocale: 'en-GB',
 });
 
 export function setLocalize(newLocalize) {

packages/localize/test/localize.test.js

@@ -38,4 +38,8 @@ describe('localize', () => {
   it('is configured to automatically load namespaces if locale is changed', () => {
     expect(localize._autoLoadOnLocaleChange).to.equal(true);
   });
+
+  it('is configured to fallback to the locale "en-GB"', () => {
+    expect(localize._fallbackLocale).to.equal('en-GB');
+  });
 });