A command-line script to strip out display:none declarations to include in your test runners

hidey.coffee

#!/usr/bin/env coffee

CSSOM = require 'cssom'
fs = require 'fs'

if process.argv.length != 4
  console.log('Usage: ./hidey inputFile outputFile')
  return

fileName =  process.argv[2]
outputFileName = process.argv[3]

input = fs.readFileSync(fileName).toString()

parsed = CSSOM.parse(input)

output = ''
for rule in parsed.cssRules
  output += "#{rule.selectorText} { display: none; }\r\n" if rule.style['display'] == 'none'

fs.open outputFileName, 'w', '0666', ( e, id ) ->
  fs.write id, output, null, 'utf8', ->
    fs.close id, ->