index.js
function(conf) {
  Object.defineProperty(this, 'conf',
    {
      enumerable: false,
      configurable: false,
      writable: false,
      value: conf || {}
    }
  );
  if(this.conf.initialize) {
    this.load();
  }
}
function(conf) {
  Object.defineProperty(this, 'conf',
    {
      enumerable: false,
      configurable: false,
      writable: false,
      value: conf || {}
    }
  );
  if(this.conf.initialize) {
    this.load();
  }
}
function ( conf ) { Object . defineProperty ( this , 'conf' , { enumerable : false , configurable : false , writable : false , value : conf || { } } ) ; if ( this . conf . initialize ) { this . load ( ) ; } }
Helper class for accessing environment variables
using a defined prefix.

@param conf The configuration object.
Helper class for accessing environment variables using a defined prefix .