diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b512c09
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+node_modules
\ No newline at end of file
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..cb26f53
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+echo "Babelifying..."
+npx babel ./isEq.js --presets=env -o ./umd/isEq2.js
+echo "Browserifying..."
+npx browserify ./umd/isEq2.js -s isEq > ./umd/isEq.js
+echo "Minifying output..."
+npx uglifyjs ./umd/isEq.js > ./umd/isEq.min.js
+echo "Cleaning up..."
+rm ./umd/isEq2.js
+echo "Done!"
\ No newline at end of file
diff --git a/isEq.js b/isEq.js
index c92c5f3..4f74c32 100644
--- a/isEq.js
+++ b/isEq.js
@@ -24,18 +24,20 @@ const isEq = (item1, item2, compareKeys) => {
 		&& !Array.isArray(item1))))
 		return false;
 
+	// 'NaN's are special. They aren't equal to each other.
+	if (typeof item1 === 'number')
+		if(isNaN(item1) && isNaN(item2))
+			return true;
+		else return item1 === item2;
+
 	// Since types are already equal, let's find if items are equal.
-	if ((typeof item1 === 'number') ||
-		(typeof item1 === 'string') ||
+	if ((typeof item1 === 'string') ||
 		(typeof item1 === 'boolean') ||
 		(item1 === null) ||
 		(item1 === undefined)) {
 		return (item1 === item2);
 	};
 
-	// 'NaN's are special. They aren't equal to each other.
-	if (Number.isNaN(item1) && Number.isNaN(item2)) return true;
-
 	// Regexp needs to be Stringified first before comparing equality
 	if (item1 instanceof RegExp) return String(item1) === String(item2);
 
@@ -72,7 +74,6 @@ const isEq = (item1, item2, compareKeys) => {
 		// Inequality at this point can be because it's just comparing
 		// two objects or arrays that may or may not be equivalent.
 		if (item1[Key] !== item2[Key]) {
-
 			if (typeof (item1[Key] === 'object') && typeof (item2[Key] === 'object') ||
 				(Array.isArray(item1[Key]) && Array.isArray(item2[Key]))) {
 				if (!isEq(item1[Key], item2[Key])) {
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..bb47785
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,3668 @@
+{
+  "name": "@codefeathers/iseq",
+  "version": "1.1.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "JSONStream": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.2.tgz",
+      "integrity": "sha1-wQI3G27Dp887hHygDCC7D85Mbeo=",
+      "dev": true,
+      "requires": {
+        "jsonparse": "1.3.1",
+        "through": "2.3.8"
+      }
+    },
+    "acorn": {
+      "version": "4.0.13",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
+      "integrity": "sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c=",
+      "dev": true
+    },
+    "acorn-node": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/acorn-node/-/acorn-node-1.3.0.tgz",
+      "integrity": "sha1-X4bXM0Z0OBDvEmm5AdvL3tAghhs=",
+      "dev": true,
+      "requires": {
+        "acorn": "5.5.3",
+        "xtend": "4.0.1"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "5.5.3",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.5.3.tgz",
+          "integrity": "sha1-9HPdR+AnegjijpvsWu6wR1HwuMk=",
+          "dev": true
+        }
+      }
+    },
+    "ansi-regex": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+      "dev": true
+    },
+    "ansi-styles": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
+      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
+      "dev": true
+    },
+    "anymatch": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-1.3.2.tgz",
+      "integrity": "sha1-VT3Lj5HjyImEXf26NMd3IbkLnXo=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "micromatch": "2.3.11",
+        "normalize-path": "2.1.1"
+      }
+    },
+    "arr-diff": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-2.0.0.tgz",
+      "integrity": "sha1-jzuCf5Vai9ZpaX5KQlasPOrjVs8=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "arr-flatten": "1.1.0"
+      }
+    },
+    "arr-flatten": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/arr-flatten/-/arr-flatten-1.1.0.tgz",
+      "integrity": "sha1-NgSLv/TntH4TZkQxbJlmnqWukfE=",
+      "dev": true,
+      "optional": true
+    },
+    "array-filter": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/array-filter/-/array-filter-0.0.1.tgz",
+      "integrity": "sha1-fajPLiZijtcygDWB/SH2fKzS7uw=",
+      "dev": true
+    },
+    "array-map": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmjs.org/array-map/-/array-map-0.0.0.tgz",
+      "integrity": "sha1-iKK6tz0c97zVwbEYoAP2b2ZfpmI=",
+      "dev": true
+    },
+    "array-reduce": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmjs.org/array-reduce/-/array-reduce-0.0.0.tgz",
+      "integrity": "sha1-FziZ0//Rx9k4PkR5Ul2+J4yrXys=",
+      "dev": true
+    },
+    "array-unique": {
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+      "integrity": "sha1-odl8yvy8JiXMcPrc6zalDFiwGlM=",
+      "dev": true,
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+      "integrity": "sha1-ucK/WAXx5kqt7tbfOiv6+1pz9aA=",
+      "dev": true,
+      "requires": {
+        "bn.js": "4.11.8",
+        "inherits": "2.0.3",
+        "minimalistic-assert": "1.0.0"
+      }
+    },
+    "assert": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/assert/-/assert-1.4.1.tgz",
+      "integrity": "sha1-mZEtWRg2tab1s0XA8H7vwI/GXZE=",
+      "dev": true,
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+      }
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+      "dev": true,
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+      }
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+    "async-each": {
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+      "dev": true,
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+        "user-home": "1.1.1"
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+    "vm-browserify": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/vm-browserify/-/vm-browserify-0.0.4.tgz",
+      "integrity": "sha1-XX6kW7755Kb/ZflUOOCofDV9WnM=",
+      "dev": true,
+      "requires": {
+        "indexof": "0.0.1"
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+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    },
+    "xtend": {
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+      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
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+}
diff --git a/package.json b/package.json
index 4d0929a..af4d613 100644
--- a/package.json
+++ b/package.json
@@ -1,29 +1,37 @@
 {
-	"name": "@codefeathers/iseq",
-	"version": "1.0.4",
-	"description": "Deep compare objects and arrays",
-	"main": "umd/isEq.min.js",
-	"scripts": {
-		"test": "echo \"Error: no test specified\" && exit 1"
-	},
-	"repository": {
-		"type": "git",
-		"url": "git+https://github.com/codefeathers/isEq.git"
-	},
-	"keywords": [
-		"isEqual",
-		"number",
-		"string",
-		"object",
-		"array",
-		"null",
-		"regexp",
-		"deep-compare"
-	],
-	"author": "Muthu Kumar (https://mkr.pw)",
-	"license": "MIT",
-	"bugs": {
-		"url": "https://github.com/codefeathers/isEq/issues"
-	},
-	"homepage": "https://github.com/codefeathers/isEq#readme"
-}
\ No newline at end of file
+  "name": "@codefeathers/iseq",
+  "version": "1.1.0",
+  "description": "Deep compare objects and arrays",
+  "main": "umd/isEq.min.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "build": "./build.sh",
+    "prepublishOnly": "./build.sh"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/codefeathers/isEq.git"
+  },
+  "keywords": [
+    "isEqual",
+    "number",
+    "string",
+    "object",
+    "array",
+    "null",
+    "regexp",
+    "deep-compare"
+  ],
+  "author": "Muthu Kumar (https://mkr.pw)",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/codefeathers/isEq/issues"
+  },
+  "homepage": "https://github.com/codefeathers/isEq#readme",
+  "devDependencies": {
+    "babel-cli": "^6.26.0",
+    "babel-preset-env": "^1.6.1",
+    "browserify": "^16.1.1",
+    "uglify-js": "^3.3.13"
+  }
+}
diff --git a/umd/isEq.js b/umd/isEq.js
index 471a2b0..9e401c0 100644
--- a/umd/isEq.js
+++ b/umd/isEq.js
@@ -2,7 +2,6 @@
 'use strict';
 
 /**
- * UMD Module
  * ↘️↘️
  * @author Muthu Kumar <https://mkr.pw>
  * isEq(item1, item2 [, compareKeys])
@@ -13,40 +12,33 @@
  * @param {Array} [compareKeys] - Keys to compare against. Ignores other keys.
  */
 
-const isEq = (item1, item2, compareKeys) => {
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
+var isEq = function isEq(item1, item2, compareKeys) {
 
 	// Returns false if different types are used.
-	if (typeof item1 !== typeof item2) return false;
+	if ((typeof item1 === 'undefined' ? 'undefined' : _typeof(item1)) !== (typeof item2 === 'undefined' ? 'undefined' : _typeof(item2))) return false;
 
 	// Arrays are of type object, hence let's go one further step
 	// to prove type inequality
-	if ((Array.isArray(item1)
-		&& !Array.isArray(item2))
-		|| ((Array.isArray(item2)
-		&& !Array.isArray(item1))))
-		return false;
+	if (Array.isArray(item1) && !Array.isArray(item2) || Array.isArray(item2) && !Array.isArray(item1)) return false;
+
+	// 'NaN's are special. They aren't equal to each other.
+	if (typeof item1 === 'number') if (isNaN(item1) && isNaN(item2)) return true;else return item1 === item2;
 
 	// Since types are already equal, let's find if items are equal.
-	if ((typeof item1 === 'number') ||
-		(typeof item1 === 'string') ||
-		(typeof item1 === 'boolean') ||
-		(item1 === null) ||
-		(item1 === undefined)) {
-		return (item1 === item2);
+	if (typeof item1 === 'string' || typeof item1 === 'boolean' || item1 === null || item1 === undefined) {
+		return item1 === item2;
 	};
 
-	// 'NaN's are special. They aren't equal to each other.
-	if (Number.isNaN(item1) && Number.isNaN(item2)) return true;
-
 	// Regexp needs to be Stringified first before comparing equality
 	if (item1 instanceof RegExp) return String(item1) === String(item2);
 
 	// If none of the above conditions returned, then check if inputs are handlable
-	if (typeof (item1) !== 'object' || typeof (item2) !== 'object')
-		throw new Error('[isEq] Unhandleable input!');
+	if ((typeof item1 === 'undefined' ? 'undefined' : _typeof(item1)) !== 'object' || (typeof item2 === 'undefined' ? 'undefined' : _typeof(item2)) !== 'object') throw new Error('[isEq] Unhandleable input!');
 
-	const item1Keys = Object.keys(item1);
-	const item2Keys = Object.keys(item2);
+	var item1Keys = Object.keys(item1);
+	var item2Keys = Object.keys(item2);
 
 	// If compare keys array is not given, let's check length of props
 	// and check second array against first.
@@ -57,16 +49,15 @@ const isEq = (item1, item2, compareKeys) => {
 		};
 	};
 
-	if(!(Array.isArray(compareKeys)))
-		throw new Error('[isEq] third parameter should be an array of keys!');
+	if (!Array.isArray(compareKeys)) throw new Error('[isEq] third parameter should be an array of keys!');
 
 	// Either both are empty objects or arrays, or compareArray is empty. Return true.
-	if(compareKeys.length === 0) return true;
+	if (compareKeys.length === 0) return true;
 
 	// For each key in our reference...
-	for (let KeyIndex in compareKeys) {
+	for (var KeyIndex in compareKeys) {
 
-		let Key = compareKeys[KeyIndex];
+		var Key = compareKeys[KeyIndex];
 		if (Array.isArray(item1[Key]) && Array.isArray(item2[Key])) {
 			Key = KeyIndex;
 		};
@@ -74,9 +65,7 @@ const isEq = (item1, item2, compareKeys) => {
 		// Inequality at this point can be because it's just comparing
 		// two objects or arrays that may or may not be equivalent.
 		if (item1[Key] !== item2[Key]) {
-
-			if (typeof (item1[Key] === 'object') && typeof (item2[Key] === 'object') ||
-				(Array.isArray(item1[Key]) && Array.isArray(item2[Key]))) {
+			if (_typeof(item1[Key] === 'object') && _typeof(item2[Key] === 'object') || Array.isArray(item1[Key]) && Array.isArray(item2[Key])) {
 				if (!isEq(item1[Key], item2[Key])) {
 					return false;
 				};
@@ -90,5 +79,6 @@ const isEq = (item1, item2, compareKeys) => {
 };
 
 module.exports = isEq;
+
 },{}]},{},[1])(1)
 });
\ No newline at end of file
diff --git a/umd/isEq.min.js b/umd/isEq.min.js
index 6970ca5..ffa850e 100644
--- a/umd/isEq.min.js
+++ b/umd/isEq.min.js
@@ -1,12 +1 @@
-/**
- * ↘️↘️
- * @author Muthu Kumar <https://mkr.pw>
- * isEq(item1, item2 [, compareKeys])
- * @description Deep compares objects or arrays and returns boolean.
- * Supports Number, String, Boolean, Regexp, Objects, Arrays
- * @param {*} item1 - Object or Array to compare against.
- * @param {*} item2 - Object or Array to compare with.
- * @param {Array} [compareKeys] - Keys to compare against. Ignores other keys.
- */
-(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.isEq=f()}})(function(){var define,module,exports;return(function(){function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}return e})()({1:[function(require,module,exports){'use strict';const isEq=(item1,item2,compareKeys)=>{if(typeof item1!==typeof item2)return!1;if((Array.isArray(item1)&&!Array.isArray(item2))||((Array.isArray(item2)&&!Array.isArray(item1))))return!1;if((typeof item1==='number')||(typeof item1==='string')||(typeof item1==='boolean')||(item1===null)||(item1===undefined)){return(item1===item2)};if(Number.isNaN(item1)&&Number.isNaN(item2))return!0;if(item1 instanceof RegExp)return String(item1)===String(item2);if(typeof(item1)!=='object'||typeof(item2)!=='object')
-throw new Error('[isEq] Unhandleable input!');const item1Keys=Object.keys(item1);const item2Keys=Object.keys(item2);if(!compareKeys){compareKeys=item1Keys;if(item1Keys.length!==item2Keys.length){return!1}};if(!(Array.isArray(compareKeys)))throw new Error('[isEq] third parameter should be an array of keys!');if(compareKeys.length===0)return!0;for(let KeyIndex in compareKeys){let Key=compareKeys[KeyIndex];if(Array.isArray(item1[Key])&&Array.isArray(item2[Key])){Key=KeyIndex};if(item1[Key]!==item2[Key]){if(typeof(item1[Key]==='object')&&typeof(item2[Key]==='object')||(Array.isArray(item1[Key])&&Array.isArray(item2[Key]))){if(!isEq(item1[Key],item2[Key])){return!1}}else{return!1}}};return!0};module.exports=isEq},{}]},{},[1])(1)})
\ No newline at end of file
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.isEq=f()}})(function(){var define,module,exports;return function(){function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}return e}()({1:[function(require,module,exports){"use strict";var _typeof=typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"?function(obj){return typeof obj}:function(obj){return obj&&typeof Symbol==="function"&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj};var isEq=function isEq(item1,item2,compareKeys){if((typeof item1==="undefined"?"undefined":_typeof(item1))!==(typeof item2==="undefined"?"undefined":_typeof(item2)))return false;if(Array.isArray(item1)&&!Array.isArray(item2)||Array.isArray(item2)&&!Array.isArray(item1))return false;if(typeof item1==="number")if(isNaN(item1)&&isNaN(item2))return true;else return item1===item2;if(typeof item1==="string"||typeof item1==="boolean"||item1===null||item1===undefined){return item1===item2}if(item1 instanceof RegExp)return String(item1)===String(item2);if((typeof item1==="undefined"?"undefined":_typeof(item1))!=="object"||(typeof item2==="undefined"?"undefined":_typeof(item2))!=="object")throw new Error("[isEq] Unhandleable input!");var item1Keys=Object.keys(item1);var item2Keys=Object.keys(item2);if(!compareKeys){compareKeys=item1Keys;if(item1Keys.length!==item2Keys.length){return false}}if(!Array.isArray(compareKeys))throw new Error("[isEq] third parameter should be an array of keys!");if(compareKeys.length===0)return true;for(var KeyIndex in compareKeys){var Key=compareKeys[KeyIndex];if(Array.isArray(item1[Key])&&Array.isArray(item2[Key])){Key=KeyIndex}if(item1[Key]!==item2[Key]){if(_typeof(item1[Key]==="object")&&_typeof(item2[Key]==="object")||Array.isArray(item1[Key])&&Array.isArray(item2[Key])){if(!isEq(item1[Key],item2[Key])){return false}}else{return false}}}return true};module.exports=isEq},{}]},{},[1])(1)});