allowCrossDomain middleware for expressjs or compundjs

gistfile1.coffee

#CORS middleware
allowCrossDomain = (req, res, next) ->
    res.header 'Access-Control-Allow-Origin', '*'
    res.header 'Access-Control-Allow-Methods', 'OPTIONS,GET,PUT,POST,DELETE'
    res.header 'Access-Control-Allow-Headers', 'Content-Type, X-Requested-With'
    next()
    
# Cut off OPTIONS requests and just send true as response
handleOptionsMethod = (req, res, next) ->
    return res.send(200) if req.method == 'OPTIONS'
    next()    

module.exports = (compound) ->

  express = require 'express'
  app = compound.app

  app.configure ->
    # removed config above for conciseness ...
    app.use allowCrossDomain
    app.use handleOptionsMethod
    # removed config below for conciseness ...

allowcrossdomain middleware for express and compoundjs