code: public function insetIf(bool $condition, string $block, array $vars = null): string
      {
          return $condition ? trim($this->make($block, $vars)) . PHP_EOL : PHP_EOL;
      }
docs: Renders a partition if condition is true.
  
  @param bool   $condition The condition.
  @param string $block     The partition name.
  @param array  $vars      Partition variables.
  
  @return string Rendered content.