Removed the `asString` option from `StringTemplate::addClass` method

Switched from $options array to string `$useIndex` as we only have one option now

src/View/StringTemplate.php

@@ -332,26 +332,20 @@ class StringTemplate
      *
      * - `useIndex` if you are inputting an array with an 'element' other than 'class'.
      *              Also setting to 'false' will manipulate the whole array (default is 'class')
-     * - `asString` Setting this to `true` will return a space separated string (default is `false`)
      *
      * @param array|string $input The array or string to add the class to
      * @param array|string $newClass the new class or classes to add
-     * @param array $options See above for options
+     * @param string $useIndex if you are inputting an array with an 'element' other than 'class'.
+     *               Also setting to 'false' will manipulate the whole array (default is 'class')
      * @return array|string
      */
-    public function addClass($input, $newClass, $options = [])
+    public function addClass($input, $newClass, $useIndex = 'class')
     {
         // NOOP
         if (empty($newClass)) {
             return $input;
         }
 
-        $options += [
-            'useIndex' => 'class',
-            'asString' => false
-        ];
-
-        $useIndex = $options['useIndex'];
         if (is_string($useIndex) && is_array($input)) {
             $class = Hash::get($input, $useIndex, []);
         } else {
@@ -373,10 +367,6 @@ class StringTemplate
 
         $class = array_unique(array_merge($class, $newClass));
 
-        if ($options['asString'] === true) {
-            $class = implode(' ', $class);
-        }
-
         if (is_string($useIndex)) {
             if (!is_array($input)) {
                 $input = [];

tests/TestCase/View/StringTemplateTest.php

@@ -359,11 +359,11 @@ class StringTemplateTest extends TestCase
     }
 
     /**
-     * Test addClass method useIndex option
+     * Test addClass method useIndex param
      *
      * Tests for useIndex being the default, 'my_class' and false
      */
-    public function testAddClassMethodUseIndexOption()
+    public function testAddClassMethodUseIndex()
     {
         $result = $this->template->addClass(
             [
@@ -372,9 +372,7 @@ class StringTemplateTest extends TestCase
                 'type' => 'text'
             ],
             'new_class',
-            [
-                'useIndex' => 'class'
-            ]
+            'class'
         );
         $this->assertEquals($result, [
             'class' => ['current_class', 'new_class'],
@@ -389,9 +387,7 @@ class StringTemplateTest extends TestCase
                 'type' => 'text'
             ],
             'new_class',
-            [
-                'useIndex' => 'my_class'
-            ]
+            'my_class'
         );
         $this->assertEquals($result, [
             'other_index1' => false,
@@ -405,9 +401,7 @@ class StringTemplateTest extends TestCase
                 'text'
             ],
             'new_class',
-            [
-                'useIndex' => false
-            ]
+            false
         );
         $this->assertEquals($result, [
             'current_class',
@@ -415,38 +409,4 @@ class StringTemplateTest extends TestCase
             'new_class'
         ]);
     }
-
-    /**
-     * Test addClass method to make sure `asString` option is handle correctly
-     */
-    public function testAddClassMethodAsStringOption()
-    {
-        $result = $this->template->addClass(
-            ['class' => 'current_class'],
-            'new_class',
-            [
-                'asString' => true
-            ]
-        );
-        $this->assertEquals($result, ['class' => 'current_class new_class']);
-
-        $result = $this->template->addClass(
-            ['current_class'],
-            'new_class',
-            [
-                'useIndex' => false,
-                'asString' => true
-            ]
-        );
-        $this->assertEquals($result, 'current_class new_class');
-
-        $result = $this->template->addClass(
-            null,
-            'new_class',
-            [
-                'asString' => true
-            ]
-        );
-        $this->assertEquals($result, ['class' => 'new_class']);
-    }
 }