fix(core): update

test/test.type.both.ts

@@ -0,0 +1,14 @@
+import { tap, expect } from '@pushrocks/tapbundle';
+import * as smartstring from '../ts/index.js';
+
+tap.test('should state valuid utf8', async () => {
+  expect(smartstring.type.isUtf8('hithere')).toBeTrue();
+});
+
+tap.test('should state wether base64 string is valid', async () => {
+  const base64String = smartstring.base64.encode('hi there');
+  expect(smartstring.type.isBase64(base64String)).toBeTrue();
+  expect(smartstring.type.isBase64('hi there')).toBeFalse();
+});
+
+tap.start();