Beautiful Coffeescript try assignment for configuration

optional json config in coffeescript.coffee

   # prefer the config file, if it exists.
   authOptions =
      try
         require './oauth.config.json'
      catch e
         {
         'host': 'localhost',
         'port': '80',
         'token': '/account/token',
         'principal': '/account/principal',
         'client_id': 'MyApplication',
         'client_secret': 'I love coffeescript',
         }

optional json config in compiled coffeescript.js

  // prefer the config file, if it exists.
  authOptions = (function() {
    try {
      return require('./oauth.config.json');
    } catch (e) {
      return {
        'host': 'localhost',
        'port': '80',
        'token': '/account/token',
        'principal': '/account/principal',
        'client_id': 'MyApplication',
        'client_secret': 'I love coffeescript'
      };
    }
  })();