From 811b237bb59a15ef77023be038b5da14146acb71 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Borys=20=C5=BBmuda?= <rudashi@gmail.com>
Date: Fri, 27 Sep 2024 07:12:11 +0200
Subject: [PATCH] feat: Added `Set::keys()` method

---
 src/JavaScript/Set.php | 12 ++++++++++++
 tests/Unit/SetTest.php | 11 +++++++++++
 2 files changed, 23 insertions(+)

diff --git a/src/JavaScript/Set.php b/src/JavaScript/Set.php
index fd662b2..837f863 100644
--- a/src/JavaScript/Set.php
+++ b/src/JavaScript/Set.php
@@ -147,6 +147,18 @@ public function has(mixed $value): bool
         return in_array($value, $this->items, true);
     }
 
+    /**
+     * Returns Set keys as SetIterator.
+     * Alias for the values()
+     * @link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/keys
+     *
+     * @return \Rudashi\JavaScript\SetIterator<int, TValue>
+     */
+    public function keys(): SetIterator
+    {
+        return $this->values();
+    }
+
     /**
      * @return array<int, TValue>
      */
diff --git a/tests/Unit/SetTest.php b/tests/Unit/SetTest.php
index 6f7e52e..d85ac54 100644
--- a/tests/Unit/SetTest.php
+++ b/tests/Unit/SetTest.php
@@ -378,6 +378,17 @@
     ['bar', true],
 ]);
 
+describe('keys', function () {
+    it('returns new SetIterator', function () {
+        $set = new Set(['foo', 'bar']);
+
+        expect($set->keys())
+            ->toBeInstanceOf(SetIterator::class)
+            ->current()?->toBe('foo')
+            ->next()?->toBe('bar');
+    });
+});
+
 describe('values', function () {
     it('returns new SetIterator', function () {
         $set = new Set(['foo', 'bar']);