Q:

Polymer core-elements single import

I noticed that polymer has single import files for polymer-elements (https://github.com/PolymerLabs/polymer-elements/blob/master/polymer-elements.html) and polymer-ui-elements (https://github.com/PolymerLabs/polymer-ui-elements/blob/master/polymer-ui-elements.html), but not core-elements.  There is a metadata.html inside Polymer/core-elements (https://github.com/Polymer/core-elements/blob/master/metadata.html), but that definitely doesn't look like a complete list, and the purpose of that file isn't abundantly clear (there are actually several metadata.html files in these repositories, and I'm not sure what they are use for).  Is there an official single import file for polymer core-elements anywhere?

A:

Good point! I've just added one: https://github.com/Polymer/core-elements/commit/231425c

