Add spritesheet helper

src/helpers.php

@@ -1,10 +1,18 @@
 <?php
 
 use Enflow\Svg\Svg;
+use Enflow\Svg\Spritesheet;
 
 if (!function_exists('svg')) {
     function svg(string $name): Svg
     {
         return new Svg($name);
     }
 }
+
+if (!function_exists('spritesheet')) {
+    function spritesheet(): Spritesheet
+    {
+        return app(Spritesheet::class);
+    }
+}

tests/SpritesheetTest.php

@@ -28,6 +28,13 @@ public function test_spritesheet()
         $this->assertCount(1, app(Spritesheet::class));
     }
 
+    public function test_spritesheet_helper()
+    {
+        svg('clock')->render();
+
+        $this->assertCount(1, spritesheet());
+    }
+
     public function test_that_svg_is_only_once_in_spritesheet()
     {
         svg('clock')->render();