Return early if field is empty
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3563269. -->
Reported by: [smustgrave](https://www.drupal.org/user/3252890)
Related to !23
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>When the field is empty it's still rendering the template</p>
<h4 id="summary-steps-reproduce">Steps to reproduce</h4>
<p>Add a mermaid field to any content type<br>
Create a node but don't fill in the field<br>
Actually see that it's trying to render, because $element is not empty</p>
<h3 id="summary-proposed-resolution">Proposed resolution</h3>
<p>Return early if empty</p>
<h3 id="summary-remaining-tasks">Remaining tasks</h3>
<p>Review</p>
<h3 id="summary-ui-changes">User interface changes</h3>
<p>NA</p>
<h3 id="summary-api-changes">API changes</h3>
<p>NA</p>
<h3 id="summary-data-model-changes">Data model changes</h3>
<p>NA</p>
issue