Remove ES6 built-ins so I don't have to include babel-polyfill

dist/shuffle.js

@@ -90,6 +90,10 @@ return /******/ (function(modules) { // webpackBootstrap
 	
 	function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
 	
+	function toArray(arrayLike) {
+	  return Array.prototype.slice.call(arrayLike);
+	}
+	
 	// Constants
 	var SHUFFLE = 'shuffle';
 	
@@ -161,7 +165,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	var COMPUTED_SIZE_INCLUDES_PADDING = function () {
 	  var parent = document.body || document.documentElement;
 	  var e = document.createElement('div');
-	  e.style.cssText = 'width:10px;padding:2px;' + '-webkit-box-sizing:border-box;box-sizing:border-box;';
+	  e.style.cssText = 'width:10px;padding:2px;box-sizing:border-box;';
 	  parent.appendChild(e);
 	
 	  var width = getStyles(e, null).width;
@@ -414,13 +418,13 @@ return /******/ (function(modules) { // webpackBootstrap
 	            if (Array.isArray(category)) {
 	              return {
 	                v: category.some(function (name) {
-	                  return keys.include(name);
+	                  return keys.indexOf(name) > -1;
 	                })
 	              };
 	            }
 	
 	            return {
-	              v: keys.includes(category)
+	              v: keys.indexOf(category) > -1
 	            };
 	          }();
 	
@@ -528,7 +532,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	    value: function _getItems() {
 	      var _this4 = this;
 	
-	      return Array.from(this.element.children).filter(function (el) {
+	      return toArray(this.element.children).filter(function (el) {
 	        return (0, _matchesSelector2.default)(el, _this4.itemSelector);
 	      }).map(function (el) {
 	        return new _shuffleItem2.default(el);

gulpfile.js

@@ -4,7 +4,7 @@ var gulp = require('gulp');
 var gutil = require('gulp-util');
 var webpack = require('webpack');
 var config = {
-  watch: false,
+  watch: true,
   isProduction: false,
 };
 

src/shuffle.es6.js

@@ -8,6 +8,10 @@ import getNumber from './get-number';
 import sorter from './sorter';
 import './custom-event';
 
+function toArray(arrayLike) {
+  return Array.prototype.slice.call(arrayLike);
+}
+
 // Constants
 const SHUFFLE = 'shuffle';
 
@@ -79,8 +83,7 @@ var getStyles = window.getComputedStyle;
 const COMPUTED_SIZE_INCLUDES_PADDING = (function () {
   var parent = document.body || document.documentElement;
   var e = document.createElement('div');
-  e.style.cssText = 'width:10px;padding:2px;' +
-    '-webkit-box-sizing:border-box;box-sizing:border-box;';
+  e.style.cssText = 'width:10px;padding:2px;box-sizing:border-box;';
   parent.appendChild(e);
 
   var width = getStyles(e, null).width;
@@ -303,11 +306,11 @@ class Shuffle {
 
       if (Array.isArray(category)) {
         return category.some((name) => {
-          return keys.include(name);
+          return keys.indexOf(name) > -1;
         });
       }
 
-      return keys.includes(category);
+      return keys.indexOf(category) > -1;
     }
   }
 
@@ -384,7 +387,7 @@ class Shuffle {
   }
 
   _getItems() {
-    return Array.from(this.element.children)
+    return toArray(this.element.children)
       .filter(el => matches(el, this.itemSelector))
       .map(el => new ShuffleItem(el));
   }