engines/ejs.js
function EJS() {
  
  var opts = (app.config.engines && app.config.engines.ejs) || {};
  
  this.options = protos.extend({
    delimiter: '?'
  }, opts);
  
  this.module = ejs;
  this.multiPart = true;
  this.extensions = ['ejs', 'ejs.html'];

}
function EJS() {
  
  var opts = (app.config.engines && app.config.engines.ejs) || {};
  
  this.options = protos.extend({
    delimiter: '?'
  }, opts);
  
  this.module = ejs;
  this.multiPart = true;
  this.extensions = ['ejs', 'ejs.html'];

}
function EJS ( ) { var opts = ( app . config . engines && app . config . engines . ejs ) || { } ; this . options = protos . extend ( { delimiter : '?' } , opts ) ; this . module = ejs ; this . multiPart = true ; this . extensions = [ 'ejs' , 'ejs.html' ] ; }
EJS engine class

https://github.com/mde/ejs
EJS engine class