cylon/lib/config.js

/*
 * cylon configuration loader
 * cylonjs.com
 *
 * Copyright (c) 2013-2014 The Hybrid Group
 * Licensed under the Apache 2.0 license.
*/

'use strict';

// Public: Fetches a variable from the environment, returning a provided value if
// it's not set.
//
// variable - variable to fetch from the environment
// defaultValue - value to return if the ENV variable isn't set
//
// Examples
//
//   process.env["CYLON_TEST"] #=> undefined
//   fetch("CYLON_TEST", "not set")
//   #=> "not set"
//
//   process.env["CYLON_TEST"] #=> false
//   fetch("CYLON_TEST", true)
//   #=> false
//
//   process.env["CYLON_TEST"] #=> true
//   fetch("CYLON_TEST", false)
//   #=> true
//
// Returns the env var or default value
var fetch = function(variable, defaultValue) {
  if (defaultValue == null) {
    defaultValue = false;
  }

  if (process.env[variable] != null) {
    return process.env[variable];
  } else {
    return defaultValue;
  }
};

module.exports = {
  testing_mode: fetch('CYLON_TEST')
};