Express.js multi folder views

mutliview.js

var path = require('path')
  , fs = require('fs')
  , utils = require('./utils')
  , dirname = path.dirname
  , basename = path.basename
  , extname = path.extname
  , exists = fs.existsSync || path.existsSync
  , join = path.join;

module.exports = function(app) {
  var old = app.get('view').prototype.lookup;
  
  var lookup = function(path) {

    // If root is an array of paths, let's try each path until we find the view
    if (this.root instanceof Array) {
      this.root.forEach(function(directory) {
        if (!utils.isAbsolute(path)) path = join(directory, path);
        if (exists(path)) return path;
      });
    }

    // Fallback to standard behavior, when root is a single directory
    return old.call(this, path);
  };

  return old = lookup;

}

// Usage
var views = app.get('views');
views.push(__dirname + '/views')
app.set('views', views);