Merge pull request #152 from CodeWithDennis/revert-149-fix-131

Revert "Fix #131"

Author: CodeWithDennis

src/SelectTree.php

@@ -301,13 +301,7 @@ public function multiple(Closure|bool $multiple = true): static
 
     public function prepend(Closure|array|null $prepend = null): static
     {
-        $this->prepend = $this->evaluate($prepend);
-
-        if (is_array($this->prepend) && isset($this->prepend['name'], $this->prepend['value'])) {
-            $this->prepend['value'] = (string) $this->prepend['value'];
-        } else {
-            throw new \InvalidArgumentException('The provided prepend value must be an array with "name" and "value" keys.');
-        }
+        $this->prepend = $prepend;
 
         return $this;
     }
@@ -447,11 +441,9 @@ public function getIndependent(): bool
         return $this->evaluate($this->independent);
     }
 
-    public function getCustomKey($record): string
+    public function getCustomKey($record)
     {
-        $key = is_null($this->customKey) ? $record->getKey() : $record->{$this->customKey};
-
-        return (string) $key;
+        return is_null($this->customKey) ? $record->getKey() : $record->{$this->customKey};
     }
 
     public function getWithCount(): bool
@@ -622,15 +614,4 @@ public function createOptionModalHeading(string|Closure|null $heading): static
 
         return $this;
     }
-
-    public function getState(): mixed
-    {
-        $state = parent::getState();
-
-        if (is_array($state)) {
-            return array_map(fn ($value) => (string) $value, $state);
-        }
-
-        return (string) $state;
-    }
 }