watch file imports (#145)

Author: yoshuawuyts

transform.js

@@ -171,6 +171,8 @@ function transform (filename, options) {
  ? xtend(opts, staticEval(node.arguments[1]))
  : opts
 
+ transformStream.emit('file', resolvePath)
+
  const val = {
  filename: resolvePath,
  opts: iOpts,