diff --git a/index.js b/index.js
index e1099e5..0d4cccd 100644
--- a/index.js
+++ b/index.js
@@ -1,28 +1,20 @@
-var fs = require('fs')
-var Handlebars = require('handlebars')
+const fs = require('fs')
+const Handlebars = require('handlebars')
 
-module.exports = {
-  render: render,
-}
-
-function render(resume) {
-  var css = fs.readFileSync(__dirname + '/style.css', 'utf-8')
-  var template = fs.readFileSync(__dirname + '/resume.hbs', 'utf-8')
-  return Handlebars.compile(template)({
-    css: css,
-    resume: resume,
-  })
-}
-
-Handlebars.registerHelper('formatDate', function (dateString) {
-  const date = new Date(dateString)
-  return date.toLocaleDateString('en', {
+Handlebars.registerHelper('formatDate', dateString =>
+  new Date(dateString).toLocaleDateString('en', {
     month: 'short',
     year: 'numeric',
-  })
-})
+  }),
+)
 
-Handlebars.registerHelper('join', function (arr, separator) {
-  separator = typeof separator === 'string' ? separator : ', '
-  return arr.join(separator)
-})
+Handlebars.registerHelper('join', (arr, separator) =>
+  arr.join(typeof separator === 'string' ? separator : ', '),
+)
+
+exports.render = resume => {
+  const template = fs.readFileSync(`${__dirname}/resume.hbs`, 'utf-8')
+  const css = fs.readFileSync(`${__dirname}/style.css`, 'utf-8')
+
+  return Handlebars.compile(template)({ css, resume })
+}