Use `Util.makeArray()`.

js/src/carousel.js

@@ -320,7 +320,7 @@ class Carousel {
       }
     }
 
-    [].slice.call(SelectorEngine.find(Selector.ITEM_IMG, this._element)).forEach((itemImg) => {
+    Util.makeArray(SelectorEngine.find(Selector.ITEM_IMG, this._element)).forEach((itemImg) => {
       EventHandler.on(itemImg, Event.DRAG_START, (e) => e.preventDefault())
     })
 
@@ -356,7 +356,7 @@ class Carousel {
 
   _getItemIndex(element) {
     this._items = element && element.parentNode
-      ? [].slice.call(SelectorEngine.find(Selector.ITEM, element.parentNode))
+      ? Util.makeArray(SelectorEngine.find(Selector.ITEM, element.parentNode))
       : []
 
     return this._items.indexOf(element)

js/src/dom/polyfill.js

-import Util from '../util'
-
 /**
  * --------------------------------------------------------------------------
  * Bootstrap (v4.3.1): dom/polyfill.js
@@ -7,6 +5,8 @@ import Util from '../util'
  * --------------------------------------------------------------------------
  */
 
+import Util from '../util'
+
 /* istanbul ignore next */
 const Polyfill = (() => {
   // MSEdge resets defaultPrevented flag upon dispatchEvent call if at least one listener is attached

js/src/dropdown.js

@@ -482,7 +482,7 @@ class Dropdown {
       return
     }
 
-    const items = [].slice.call(parent.querySelectorAll(Selector.VISIBLE_ITEMS))
+    const items = Util.makeArray(parent.querySelectorAll(Selector.VISIBLE_ITEMS))
 
     if (!items.length) {
       return

js/src/index.js

+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.3.1): index.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
 import Alert from './alert'
 import Button from './button'
 import Carousel from './carousel'
@@ -11,13 +18,6 @@ import Toast from './toast'
 import Tooltip from './tooltip'
 import Util from './util'
 
-/**
- * --------------------------------------------------------------------------
- * Bootstrap (v4.3.1): index.js
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
- * --------------------------------------------------------------------------
- */
-
 export {
   Util,
   Alert,

js/src/tools/sanitizer.js

@@ -5,6 +5,8 @@
  * --------------------------------------------------------------------------
  */
 
+import Util from '../util'
+
 const uriAttrs = [
   'background',
   'cite',
@@ -101,7 +103,7 @@ export function sanitizeHtml(unsafeHtml, whiteList, sanitizeFn) {
   const domParser = new window.DOMParser()
   const createdDocument = domParser.parseFromString(unsafeHtml, 'text/html')
   const whitelistKeys = Object.keys(whiteList)
-  const elements = [].slice.call(createdDocument.body.querySelectorAll('*'))
+  const elements = Util.makeArray(createdDocument.body.querySelectorAll('*'))
 
   for (let i = 0, len = elements.length; i < len; i++) {
     const el = elements[i]
@@ -113,7 +115,7 @@ export function sanitizeHtml(unsafeHtml, whiteList, sanitizeFn) {
       continue
     }
 
-    const attributeList = [].slice.call(el.attributes)
+    const attributeList = Util.makeArray(el.attributes)
     const whitelistedAttributes = [].concat(whiteList['*'] || [], whiteList[elName] || [])
 
     attributeList.forEach((attr) => {