bug

var utilities = require("./utilities");

var mailValues = {};

mailValues.first_name = "Janet";

var emailTemplate = "Hi %first_name%! Thanks for completing this code challenge :)";

var mergedContent = utilities.merge(emailTemplate, mailValues);

//mergedContent === "Hi Janet! Thanks for completing this code challenge :)";

var fs=require("fs");
function merge(content, values) {
  for(var key in values){
    content=content.replace("{"+ key +"}",values[key]);
  }


  return content;
}
function(templateName,values,response){
var fileContents = fs.readFileSync('./views/' + templateName + '.html');
 fileContents=merge(values,fileContents)
  reponse.write(fileContents);
}


module.exports.merge = merge;