Module Example

var beer = require('./_data.json');

var beerSuggestions = function() {};

beerSuggestions.prototype.getLocalBeers = function (state, callback) {
  var results = beer.filter(function(x) {
    return (x.state === state);
  });

  callback(results);
}

beerSuggestions.prototype.getRandomLocalBeer = function (state, callback) {
  var results = beer.filter(function(x) {
    return (x.state === state);
  });

  var item = results[Math.floor(Math.random()*results.length)];

  callback(item);
}

beerSuggestions.prototype.styleExists = function (style, callback) {
  var found = false;
  for(var i = 0; i < beer.length; i++) {
      if (beer[i].style == style) {
          found = true;
          break;
      }
  }
  callback(found);
}

module.exports = new beerSuggestions();