Allow undefined in legacy _template field to fall-through to normal lookup path.
Allows a user to unconditionally set _template to a value and have build-time controls to change the value between a template and undefined to allow build-time experimentation with transitioning from <dom-module> templates to inlined templates in JS.
Allow
undefined
in legacy _template field to fall-through to normal lookup path.Allows a user to unconditionally set
_template
to a value and have build-time controls to change the value between a template andundefined
to allow build-time experimentation with transitioning from<dom-module>
templates to inlined templates in JS.