Updating dev dependencies, adding npm lock file

.eslintrc

@@ -5,12 +5,6 @@
 		"es6": true,
 		"amd": true
 	},
-	"ecmaFeatures": {
-		"jsx": false,
-		"superInFunctions": false,
-		"classes": false,
-		"modules": [2]
-	},
 	"rules": {
 		"arrow-parens": [2, "as-needed"],
 		"arrow-spacing": [2, {"before": true, "after": true}],

Gruntfile.js

@@ -1,9 +1,9 @@
 module.exports = function (grunt) {
 	grunt.initConfig({
-		pkg : grunt.file.readJSON("package.json"),
-		concat : {
-			options : {
-				banner : "/**\n" +
+		pkg: grunt.file.readJSON("package.json"),
+		concat: {
+			options: {
+				banner: "/**\n" +
 				" * <%= pkg.description %>\n" +
 				" *\n" +
 				" * @author <%= pkg.author %>\n" +
@@ -13,19 +13,19 @@ module.exports = function (grunt) {
 				" * @version <%= pkg.version %>\n" +
 				" */\n"
 			},
-			dist : {
-				src : [
+			dist: {
+				src: [
 					"src/intro.js",
 					"src/lru.js",
 					"src/outro.js"
 				],
-				dest : "lib/<%= pkg.name %>.es6.js"
+				dest: "lib/<%= pkg.name %>.es6.js"
 			}
 		},
 		babel: {
 			options: {
 				sourceMap: false,
-				presets: ["babel-preset-es2015"]
+				presets: ["env"]
 			},
 			dist: {
 				files: {
@@ -36,19 +36,13 @@ module.exports = function (grunt) {
 		eslint: {
 			target: [
 				"index.js",
+				"Gruntfile.js",
 				"lib/<%= pkg.name %>.es6.js",
 				"test/*.js"
 			]
 		},
-		nodeunit : {
-			all : ["test/*.js"]
-		},
-		sed : {
-			"version" : {
-				pattern : "{{VERSION}}",
-				replacement : "<%= pkg.version %>",
-				path : ["<%= concat.dist.dest %>"]
-			}
+		nodeunit: {
+			all: ["test/*.js"]
 		},
 		uglify: {
 			options: {
@@ -64,24 +58,23 @@ module.exports = function (grunt) {
 			},
 			target: {
 				files: {
-					"lib/<%= pkg.name %>.min.js" : ["lib/<%= pkg.name %>.js"]
+					"lib/<%= pkg.name %>.min.js": ["lib/<%= pkg.name %>.js"]
 				}
 			}
 		},
-		watch : {
-			js : {
-				files : "<%= concat.dist.src %>",
-				tasks : "default"
+		watch: {
+			js: {
+				files: "<%= concat.dist.src %>",
+				tasks: "default"
 			},
 			pkg: {
-				files : "package.json",
-				tasks : "default"
+				files: "package.json",
+				tasks: "default"
 			}
 		}
 	});
 
 	// tasks
-	grunt.loadNpmTasks("grunt-sed");
 	grunt.loadNpmTasks("grunt-contrib-concat");
 	grunt.loadNpmTasks("grunt-contrib-nodeunit");
 	grunt.loadNpmTasks("grunt-contrib-watch");
@@ -91,6 +84,6 @@ module.exports = function (grunt) {
 
 	// aliases
 	grunt.registerTask("test", ["eslint", "nodeunit"]);
-	grunt.registerTask("build", ["concat", "sed", "babel", "uglify"]);
+	grunt.registerTask("build", ["concat", "babel", "uglify"]);
 	grunt.registerTask("default", ["build", "test"]);
-};
+};

lib/tiny-lru.es6.js

@@ -5,7 +5,7 @@
  * @copyright 2017
  * @license BSD-3-Clause
  * @link https://github.com/avoidwork/tiny-lru
- * @version 1.4.9
+ * @version 1.4.10
  */
 "use strict";
 

lib/tiny-lru.js

@@ -5,7 +5,7 @@
  * @copyright 2017
  * @license BSD-3-Clause
  * @link https://github.com/avoidwork/tiny-lru
- * @version 1.4.9
+ * @version 1.4.10
  */
 "use strict";