The Bootstrap4C Tageditor is a simple Bootstrap 4 stylesheet component for the sweet tagEditor jQuery plugin (https://goodies.pixabay.com/jquery/tag-editor/demo.html).
See demo here => https://haubek.github.io
yarn add bootstrap4c-tageditor
<link href="path/to/component-tageditor.min.css" rel="stylesheet">
<input type="text" class="form-control form-control-tag">
$('.form-control-tag').tagEditor();