Implement rendering of classlist

The classlist directive supports sub directives to
allow users to add their own list styling.

Author: jaapio

src/Executor.php

@@ -29,6 +29,7 @@
 use function is_array;
 use function is_iterable;
 use function is_object;
+use function is_string;
 use function iterator_to_array;
 use function strrpos;
 use function substr;
@@ -53,6 +54,10 @@ public function evaluateEqualsComparison(mixed $root, mixed $currentObject, Quer
         $leftValue = $this->toValue($this->evaluate($left, $currentObject, $root));
         $rightValue = $this->toValue($this->evaluate($right, $currentObject, $root));
 
+        if (is_string($rightValue)) {
+            return ((string) $leftValue) === $rightValue;
+        }
+
         return $leftValue === $rightValue;
     }