cucumber/lib/cucumber/type/collection.js

The official JavaScript implementation of Cucumber.

var Collection = function() {
  var items = new Array();
  var self = {
    add:         function add(item)                       { items.push(item); },
    unshift:     function unshift(item)                   { items.unshift(item); },
    getLast:     function getLast()                       { return items[items.length-1]; },
    syncForEach: function syncForEach(userFunction)       { items.forEach(userFunction); },
    forEach:     function forEach(userFunction, callback) {
      var itemsCopy = items.slice(0);
      function iterate() {
        if (itemsCopy.length > 0) {
          processItem();
        } else {
          callback();
        };
      }
      function processItem() {
        var item = itemsCopy.shift();
        userFunction(item, function() {
          iterate();
        });
      };
      iterate();
    },
    length: function length() { return items.length; }
  };
  return self;
};
module.exports = Collection;