scala-js/scala-js — pull request #691 by gzm0 (2014-05-27 16:50:49+00:00)
Title: Fix #688: Remove return value of JSEnv#runJS.

JSEnv#runJS used to return Some() if it failed due to historic
reasons. This is no longer necessary and introduces useless clutter
and confusion (e.g. runners failing without the outer code
failing). runJS now throws an exception if it fails.