build system for espruino

How are you uploading? the command-line IDE should tweak any code formatting to make it work.

Also if you use K&R-style formatting (with the opening bracket on the same line) everything will just work even if you upload the raw characters.

edit: if you're using a command-line app, you need to use the proper espruino one - several others have been made, but generally they don't check over the code and reformat the lines as described above (they also tend to miss out quite a lot of other steps too)