repetir (npm): re-petir provides a repeating web component.  It extends [i-bid](https://github.com/bahrus/ib-id).  Whereas i-bid has [no support for light children](https://github.com/bahrus/ib-id#what-if-i-want-to-repeat-some-web-components-that-require-non-shadow-ligh
Keywords: webcomponents|web_components|repeater|templates