fix(core): update

test/test.base64.both.ts

@@ -0,0 +1,16 @@
+import * as smartstring from '../ts/index.js';
+import { tap, expect } from '@pushrocks/tapbundle';
+
+// Base64
+let testBase64: smartstring.Base64;
+tap.test('expect create a valid instance of Base64', async () => {
+  testBase64 = new smartstring.Base64('somestring', 'string');
+  expect(testBase64).toBeInstanceOf(smartstring.Base64);
+});
+tap.test('expect read output a file as base64 and base64uri', async () => {
+  expect(testBase64.base64String).not.toEqual(testBase64.base64UriString);
+  let testBase64_2 = new smartstring.Base64(testBase64.base64UriString, 'base64uri');
+  expect(testBase64_2.simpleString).toEqual(testBase64.simpleString);
+});
+
+tap.start();