[3.x] Update supported image formats (#170)

* Allow Cloudflare Images input formats in asset CDN

* Update supported image formats

Author: timkelty

src/imagetransforms/ImageTransformer.php

@@ -21,7 +21,9 @@
  */
 class ImageTransformer extends Component implements ImageTransformerInterface
 {
-    public const SUPPORTED_IMAGE_FORMATS = ['jpg', 'jpeg', 'gif', 'png', 'avif', 'webp'];
+    // Source asset extensions Cloudflare Images can accept for transformations.
+    public const SUPPORTED_IMAGE_FORMATS = ['png', 'jpg', 'jpeg', 'gif', 'webp', 'svg', 'avif', 'heic'];
+
     private const SIGNING_PARAM = 's';
 
     public function getTransformUrl(Asset $asset, ImageTransform $imageTransform, bool $immediately): string

tests/unit/ImageTransformTest.php

@@ -155,6 +155,20 @@ public function testEditImageActionUsesNativeTransforms(): void
         }
     }
 
+    public function testSupportedInputFormatsMatchCloudflareImages(): void
+    {
+        $this->assertSame([
+            'png',
+            'jpg',
+            'jpeg',
+            'gif',
+            'webp',
+            'svg',
+            'avif',
+            'heic',
+        ], ImageTransformer::SUPPORTED_IMAGE_FORMATS);
+    }
+
     private function setActionSegments(?array $actionSegments): void
     {
         $property = new ReflectionProperty(Craft::$app->getRequest(), '_actionSegments');