TYPO3 Neos ViewHelper for linking to nodes from with a plugin

Index.html

<mypackage:link.node node="/sites/mysite/mypage">Click Me!</mypackage:link.node>

NodeViewHelper.php

<?php
namespace My\Package\ViewHelpers\Link;

class NodeViewHelper extends \TYPO3\Neos\ViewHelpers\Link\NodeViewHelper {

	/**
	 * Render the link.
	 *
	 * @param mixed $node A TYPO3\TYPO3CR\Domain\Model\NodeInterface object or a string node path
	 * @param string $format Format to use for the URL, for example "html" or "json"
	 * @param boolean $absolute If set, an absolute URI is rendered
	 * @param string $baseNodeName The name of the base node inside the TypoScript context to use for the ContentContext or resolving relative paths
	 * @return string The rendered link
	 */
	public function render($node = NULL, $format = NULL, $absolute = FALSE, $baseNodeName = 'documentNode') {
		if (is_string($node) && $this->controllerContext->getRequest()->getInternalArgument('__documentNode')) {
			$node = $this->controllerContext->getRequest()->getInternalArgument('__documentNode')->getNode($node);
		}

		return parent::render($node, $format, $absolute, $baseNodeName);
	}
}

?>