index.js

require('coffee-script');
require('./test.coffee');

package.json

{
  "name": "x",
  "version": "0.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "BSD-2-Clause",
  "dependencies": {
    "raven": "0.5.3",
    "coffee-script": "~1.6.3"
  }
}

test.coffee

DSN = '____YOUR_SENTRY_DSN_HERE_____'

raven = require 'raven'
client = new raven.Client DSN
client.patchGlobal()

setTimeout ->
  console.log 'error!'
  throw new Error 'test!'
, 1000