Create handler causes mapping to evaluate pureComputed

[DaveSweeton]

When using a create handler knockout.mapping calls the pureComputed immediately, defeating the purpose of having a pureComputed!

http://jsfiddle.net/947bfzqr/

[DaveSweeton]

I guess there's a work around by reverting back to older style deferEvaluation computed:

http://jsfiddle.net/b8gygntu/