allow vendord

vendor/beste/clock/src/Clock/WrappingClock.php

@@ -0,0 +1,61 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Beste\Clock;
+
+use Beste\Clock;
+use DateTimeImmutable;
+use Psr\Clock\ClockInterface;
+
+final class WrappingClock implements Clock
+{
+    private ClockInterface $wrappedClock;
+
+    private function __construct(ClockInterface $wrappedClock)
+    {
+        $this->wrappedClock = $wrappedClock;
+    }
+
+    public static function wrapping(object $clock): self
+    {
+        if ($clock instanceof ClockInterface) {
+            return new self($clock);
+        }
+
+        if (!method_exists($clock, 'now')) {
+            throw new \InvalidArgumentException('$clock must implement StellaMaris\Clock\ClockInterface or have a now() method');
+        }
+
+        if (!($clock->now() instanceof DateTimeImmutable)) {
+            throw new \InvalidArgumentException('$clock->now() must return a DateTimeImmutable');
+        }
+
+        $wrappedClock = new class($clock) implements ClockInterface {
+            private object $clock;
+
+            public function __construct(object $clock)
+            {
+                $this->clock = $clock;
+            }
+
+            public function now(): \DateTimeImmutable
+            {
+                assert(method_exists($this->clock, 'now'));
+
+                $now = $this->clock->now();
+
+                assert($now instanceof \DateTimeImmutable);
+
+                return $now;
+            }
+        };
+
+        return new self($wrappedClock);
+    }
+
+    public function now(): DateTimeImmutable
+    {
+        return $this->wrappedClock->now();
+    }
+}