code: function (name) {
              if ((name == "deep-freeze" || name == "deep-freeze-strict") && root.deepFreeze) {
                  return root.deepFreeze;
              }
  
              if (name == "lodash" && root._) {
                  return root._;
              }
  
              if (name == "immutable" && root.Immutable) {
                  return root.Immutable;
              }
  
              if (name.indexOf("iassign") > -1 && root.iassign) {
                  return root.iassign;
              }
  
              throw new Error("Unable to require: " + name);
          }
docs: Browser globals (root is window)