support window.Fingerprint variable in fingerprintjs2. #541 AG-49440

Squashed commit of the following:

commit a7e0218
Author: slvvko <v.leleka@adguard.com>
Date:   Tue Dec 16 02:29:43 2025 -0500

    support window.Fingerprint variable in fingerprintjs2

Author: slvvko

CHANGELOG.md

@@ -16,8 +16,11 @@ The format is based on [Keep a Changelog], and this project adheres to [Semantic
 
 - Ability to configure observer timeout for `trusted-click-element` scriptlet
   with a new `observerTimeout` parameter [#400].
+- Support for `window.Fingerprint` variable in `fingerprintjs2` redirect (and
+  scriptlet as well since it is an alias for redirect) [#541].
 
 [#400]: https://github.com/AdguardTeam/Scriptlets/issues/400
+[#541]: https://github.com/AdguardTeam/Scriptlets/issues/541
 
 ## [v2.2.13] - 2025-11-25
 

src/redirects/fingerprintjs2.js

@@ -43,6 +43,8 @@ export function Fingerprintjs2(source) {
     };
 
     window.Fingerprint2 = Fingerprint2;
+    // https://github.com/AdguardTeam/Scriptlets/issues/541
+    window.Fingerprint = Fingerprint2;
 
     hit(source);
 }

tests/redirects/fingerprintjs2.test.js

@@ -24,6 +24,8 @@ test('Fingerprint2 works', (assert) => {
     const done = assert.async();
 
     assert.ok(window.Fingerprint2, 'Fingerprint2 object was created');
+    assert.ok(window.Fingerprint, 'Fingerprint object was created');
+    assert.strictEqual(window.Fingerprint, window.Fingerprint2, 'Fingerprint equals Fingerprint2');
     assert.notOk(window.Fingerprint2.get(), 'getter returns nothing');
 
     const cb = () => {