@@ -16,6 +16,9 @@ module.exports = {
 		"comma-dangle": ["error", "always-multiline"],
 		indent: ["error", "tab", { SwitchCase: 1 }],
 		"no-tabs": "off",
+		"no-var": "error",
+		"prefer-const": "error",
+		"object-shorthand": "error",
 		"no-restricted-globals": [
 			"error",
 			{
 
@@ -11,6 +11,6 @@
   "author": "Eric Ferraiuolo <eferraiuolo@gmail.com>",
   "license": "BSD",
   "dependencies": {
-    "express": "^4.7.2"
+    "express": "^4.17.1"
   }
 }
@@ -5,13 +5,13 @@
 // This will prompt the user for a message, then echo it out by rendering the
 // message using the shared template which was exposed by the server.
 (function () {
-	var button = document.getElementById("say");
+	const button = document.getElementById("say");
 
 	button.addEventListener("click", function (e) {
-		var message = prompt("Say Something:", "Yo yo");
-		var echo = document.createElement("div");
+		const message = prompt("Say Something:", "Yo yo");
+		const echo = document.createElement("div");
 
-		echo.innerHTML = Handlebars.templates.echo({ message: message });
+		echo.innerHTML = Handlebars.templates.echo({ message });
 		document.body.appendChild(echo);
 	}, false);
 }());
@@ -1,16 +1,16 @@
 "use strict";
 
-var Promise = global.Promise || require("promise");
+const Promise = global.Promise || require("promise");
 
-var express = require("express");
-var exphbs = require("../../"); // "express-handlebars"
-var helpers = require("./lib/helpers");
+const express = require("express");
+const exphbs = require("../../"); // "express-handlebars"
+const helpers = require("./lib/helpers");
 
-var app = express();
+const app = express();
 
 // Create `ExpressHandlebars` instance with a default layout.
-var hbs = exphbs.create({
-	helpers: helpers,
+const hbs = exphbs.create({
+	helpers,
 
 	// Uses multiple partials dirs, templates in "shared/templates/" are shared
 	// with the client-side of the app (see below).
@@ -34,7 +34,7 @@ function exposeTemplates (req, res, next) {
 		precompiled: true,
 	}).then(function (templates) {
 		// RegExp to remove the ".handlebars" extension from the template names.
-		var extRegex = new RegExp(hbs.extname + "$");
+		const extRegex = new RegExp(hbs.extname + "$");
 
 		// Creates an array of templates which are exposed via
 		// `res.locals.templates`.
@@ -77,7 +77,7 @@ app.get("/exclaim", function (req, res) {
 
 		// This overrides _only_ the default `yell()` helper.
 		helpers: {
-			yell: function (msg) {
+			yell (msg) {
 				return (msg + "!!!");
 			},
 		},
 
@@ -11,6 +11,6 @@
   "author": "Eric Ferraiuolo <eferraiuolo@gmail.com>",
   "license": "BSD",
   "dependencies": {
-    "express": "^4.7.2"
+    "express": "^4.17.1"
   }
 }
@@ -1,9 +1,9 @@
 "use strict";
 
-var express = require("express");
-var exphbs = require("../../"); // "express-handlebars"
+const express = require("express");
+const exphbs = require("../../"); // "express-handlebars"
 
-var app = express();
+const app = express();
 
 app.engine("handlebars", exphbs());
 app.set("view engine", "handlebars");
 
@@ -6,7 +6,7 @@
 
 "use strict";
 
-var ExpressHandlebars = require("./lib/express-handlebars");
+const ExpressHandlebars = require("./lib/express-handlebars");
 
 exports = module.exports = exphbs;
 exports.create = create;
Original file line number	Diff line number	Diff line change
`@@ -11,6 +11,6 @@`
`11`	`11`	`"author": "Eric Ferraiuolo <eferraiuolo@gmail.com>",`
`12`	`12`	`"license": "BSD",`
`13`	`13`	`"dependencies": {`
`14`		`- "express": "^4.7.2"`
	`14`	`+ "express": "^4.17.1"`
`15`	`15`	`}`
`16`	`16`	`}`