Fix Uint8Array comparisons and update vitest (#26805)

Compare those `Uint8Array` via conversion to Array which are properly
comparable, so that we don't have to worry about whether `TextEncoder`
and `UInt8Array` from the environment are compatible or not.

---------

Co-authored-by: delvh <dev.lh@web.de>

package.json

@@ -81,7 +81,7 @@
     "svgo": "3.0.2",
     "updates": "14.4.0",
     "vite-string-plugin": "1.1.2",
-    "vitest": "0.34.2"
+    "vitest": "0.34.3"
   },
   "browserslist": [
     "defaults",

web_src/js/utils.test.js

@@ -133,17 +133,22 @@ test('toAbsoluteUrl', () => {
   expect(() => toAbsoluteUrl('path')).toThrowError('unsupported');
 });
 
-const uint8array = (s) => new TextEncoder().encode(s);
 test('encodeURLEncodedBase64, decodeURLEncodedBase64', () => {
+  // TextEncoder is Node.js API while Uint8Array is jsdom API and their outputs are not
+  // structurally comparable, so we convert to array to compare. The conversion can be
+  // removed once https://github.com/jsdom/jsdom/issues/2524 is resolved.
+  const encoder = new TextEncoder();
+  const uint8array = encoder.encode.bind(encoder);
+
   expect(encodeURLEncodedBase64(uint8array('AA?'))).toEqual('QUE_'); // standard base64: "QUE/"
   expect(encodeURLEncodedBase64(uint8array('AA~'))).toEqual('QUF-'); // standard base64: "QUF+"
 
-  expect(decodeURLEncodedBase64('QUE/')).toEqual(uint8array('AA?'));
-  expect(decodeURLEncodedBase64('QUF+')).toEqual(uint8array('AA~'));
-  expect(decodeURLEncodedBase64('QUE_')).toEqual(uint8array('AA?'));
-  expect(decodeURLEncodedBase64('QUF-')).toEqual(uint8array('AA~'));
+  expect(Array.from(decodeURLEncodedBase64('QUE/'))).toEqual(Array.from(uint8array('AA?')));
+  expect(Array.from(decodeURLEncodedBase64('QUF+'))).toEqual(Array.from(uint8array('AA~')));
+  expect(Array.from(decodeURLEncodedBase64('QUE_'))).toEqual(Array.from(uint8array('AA?')));
+  expect(Array.from(decodeURLEncodedBase64('QUF-'))).toEqual(Array.from(uint8array('AA~')));
 
   expect(encodeURLEncodedBase64(uint8array('a'))).toEqual('YQ'); // standard base64: "YQ=="
-  expect(decodeURLEncodedBase64('YQ')).toEqual(uint8array('a'));
-  expect(decodeURLEncodedBase64('YQ==')).toEqual(uint8array('a'));
+  expect(Array.from(decodeURLEncodedBase64('YQ'))).toEqual(Array.from(uint8array('a')));
+  expect(Array.from(decodeURLEncodedBase64('YQ=='))).toEqual(Array.from(uint8array('a')));
 });