From ecbc6c47582f371fbf6f8147954809de34e95962 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Elias=20H=C3=A4u=C3=9Fler?= <e.haeussler@familie-redlich.de>
Date: Wed, 8 Jan 2025 08:25:12 +0100
Subject: [PATCH] [FEATURE] Allow modifying a single variable in
 `BeforeRenderingEvent`

---
 Classes/Event/BeforeRenderingEvent.php        | 12 ++++++++++
 Tests/Unit/Event/BeforeRenderingEventTest.php | 23 +++++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/Classes/Event/BeforeRenderingEvent.php b/Classes/Event/BeforeRenderingEvent.php
index e2aa020c..12065a76 100644
--- a/Classes/Event/BeforeRenderingEvent.php
+++ b/Classes/Event/BeforeRenderingEvent.php
@@ -64,6 +64,18 @@ public function setVariables(array $variables): self
         return $this;
     }
 
+    public function addVariable(string $name, mixed $value): self
+    {
+        $this->variables[$name] = $value;
+        return $this;
+    }
+
+    public function removeVariable(string $name): self
+    {
+        unset($this->variables[$name]);
+        return $this;
+    }
+
     public function getRenderer(): HandlebarsRenderer
     {
         return $this->renderer;
diff --git a/Tests/Unit/Event/BeforeRenderingEventTest.php b/Tests/Unit/Event/BeforeRenderingEventTest.php
index 03348f09..85d74f10 100644
--- a/Tests/Unit/Event/BeforeRenderingEventTest.php
+++ b/Tests/Unit/Event/BeforeRenderingEventTest.php
@@ -69,6 +69,29 @@ public function setVariablesModifiesVariables(): void
         self::assertSame(['modified' => 'variables'], $this->subject->getVariables());
     }
 
+    #[Framework\Attributes\Test]
+    public function addVariableAddsSingleVariable(): void
+    {
+        $this->subject->addVariable('foo', 'boo');
+        $this->subject->addVariable('baz', 'foo');
+
+        self::assertSame(
+            [
+                'foo' => 'boo',
+                'baz' => 'foo',
+            ],
+            $this->subject->getVariables(),
+        );
+    }
+
+    #[Framework\Attributes\Test]
+    public function removeVariableRemoveSingleVariable(): void
+    {
+        $this->subject->removeVariable('foo');
+
+        self::assertSame([], $this->subject->getVariables());
+    }
+
     #[Framework\Attributes\Test]
     public function getRendererReturnsRenderer(): void
     {