watchr script for Teaspoon

js_spec.watchr

# Usage:
#   gem install watchr ruby-fsevent
#   watchr spec/js_spec.watchr

# --------------------------------------------------
# Rules
# --------------------------------------------------
watch('spec/javascripts/.*_spec\.(coffee|js)') { |md| teaspoon md[0] }

# --------------------------------------------------
# Signal Handling
# --------------------------------------------------
Signal.trap('QUIT') { teaspoon }    # Ctrl-\
Signal.trap('INT' ) { abort("\n") } # Ctrl-C

# --------------------------------------------------
# Helpers
# --------------------------------------------------
def teaspoon(filename = nil)
  if filename.nil?
    print "Running all specs... "; STDOUT.flush
    system("spring rake teaspoon") # or "rake teaspoon"
  else
    print "Running #{filename}... "; STDOUT.flush
    system("spring rake teaspoon files=#{filename}")
  end
end