There has been talk in the past (from the guy that was in charge and the company that now funds his work on the project) about being more engine agnostic. But it was referred to as a "far future" goal as there were plans for a great many things that were considered more important and useful. So it isn't something that has not been (or will not be) considered.
On MS's past form, I doubt they will cede server-side JS to Google's engine permanently. They have money to throw at people to throw at making their engine and node work together, if they so desire.
On MS's past form, I doubt they will cede server-side JS to Google's engine permanently. They have money to throw at people to throw at making their engine and node work together, if they so desire.