JavaScript (Rhino) compiler plugin.

js.vim

if exists('current_compiler')
  finish
endif
let current_compiler = 'javascript'

if exists(":CompilerSet") != 2      " older Vim always used :setlocal
  command -nargs=* CompilerSet setlocal <args>
endif

let s:cpo_save = &cpo
set cpo-=C

CompilerSet makeprg=js\ -w\ -strict\ %
CompilerSet errorformat=%Ejs:\ \"%f\"\\,\ line\ %l:\ %m,
                        \%Wjs:\ warning:\ \"%f\"\\,\ line\ %l:\ %m,
                        \%-G%.%#

let &cpo = s:cpo_save
unlet s:cpo_save