Add PascalCase filter - Close #16

Author: sandrokeil

src/FilterFactory.php

@@ -54,6 +54,11 @@ public static function camelCaseFilter(): callable
         return new LowerCaseFirst(self::normalizeFilter());
     }
 
+    public static function pascalCaseFilter(): callable
+    {
+        return new UpperCaseFirst(self::normalizeFilter());
+    }
+
     /**
      * Returns a filter for valid class names e.g. AddBuilding
      *

tests/FilterFactoryTest.php

@@ -47,6 +47,17 @@ public function it_filters_camel_case(string $label): void
         $this->assertSame('addBuilding', ($filter)($label));
     }
 
+    /**
+     * @test
+     * @dataProvider providerForLabel
+     * @param string $label
+     */
+    public function it_filters_pascal_case(string $label): void
+    {
+        $filter = FilterFactory::pascalCaseFilter();
+        $this->assertSame('AddBuilding', ($filter)($label));
+    }
+
     /**
      * @test
      * @dataProvider providerForLabel