Specifying multiple views for Express 4.x

extend-views.js

var enableMultipleViewFolders = function(express) {
  var eView= express.get('view');
  var lookupProxy = eView.prototype.lookup;

  eView.prototype.lookup = function (view) {
      if (this.root instanceof Array) {
          var opts = {};

          var matchedView = null,
              roots = this.root;
              
          for (var i=0; i<roots.length; i++) {
              this.root = roots[i];
              matchedView = lookupProxy.call(this, view);
              if (exists(matchedView)) break;
              
          }
          return matchedView;
      }

      return lookupProxy.call(eView, view)
  };  
}

enableMultipleViewFolders(app);
app.set('views', [pathToView1, pathToView2]);