Files without sourceMap are shown empty in the devtools #22
Description
I really love the work you put into this library. Unfortunatly i stumbled upon a problem with the sourcemaps for files without sourceMaps.
My temporary workaround is here: witneyjs/witney@5a37869#diff-bafcc89a9f643b0986efd0ea2e5911bbR100
IS:
SHOULD:
