code: public function loop(array $collection, string $block, string $emptyBlock = null): string
      {
          if (empty($collection)) {
              return isset($emptyBlock) ? trim($this->make($emptyBlock)) . PHP_EOL : PHP_EOL;
          } else {
              $items = '';
              foreach ($collection as $key => $item) {
                  $items .= rtrim($this->make($block, ['key' => $key, 'item' => $item]));
              }
  
              return ltrim($items) . PHP_EOL;
          }
      }
docs: Renders a list.
  
  @param array  $collection The collection.
  @param string $block      The partition name.
  @param string $emptyBlock The partition name for empty collection.
  
  @return string Rendered items.