Remove the now unneeded polyfills.

build/build-plugins.js

@@ -26,7 +26,6 @@ const bsPlugins = {
   Data: path.resolve(__dirname, '../js/src/dom/data.js'),
   EventHandler: path.resolve(__dirname, '../js/src/dom/event-handler.js'),
   Manipulator: path.resolve(__dirname, '../js/src/dom/manipulator.js'),
-  Polyfill: path.resolve(__dirname, '../js/src/dom/polyfill.js'),
   SelectorEngine: path.resolve(__dirname, '../js/src/dom/selector-engine.js'),
   Alert: path.resolve(__dirname, '../js/src/alert.js'),
   Button: path.resolve(__dirname, '../js/src/button.js'),
@@ -66,10 +65,7 @@ const getConfigByPluginKey = pluginKey => {
     pluginKey === 'Sanitizer'
   ) {
     return {
-      external: [bsPlugins.Polyfill],
-      globals: {
-        [bsPlugins.Polyfill]: 'Polyfill'
-      }
+      external: []
     }
   }
 
@@ -138,7 +134,6 @@ const domObjects = [
   'Data',
   'EventHandler',
   'Manipulator',
-  'Polyfill',
   'SelectorEngine'
 ]
 

js/src/dom/polyfill.js

-/**
- * --------------------------------------------------------------------------
- * Bootstrap (v5.0.0-alpha2): dom/polyfill.js
- * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
- * --------------------------------------------------------------------------
- */
-
-import { getUID } from '../util/index'
-
-let find = Element.prototype.querySelectorAll
-let findOne = Element.prototype.querySelector
-
-const scopeSelectorRegex = /:scope\b/
-const supportsScopeQuery = (() => {
-  const element = document.createElement('div')
-
-  try {
-    element.querySelectorAll(':scope *')
-  } catch (_) {
-    return false
-  }
-
-  return true
-})()
-
-if (!supportsScopeQuery) {
-  find = function (selector) {
-    if (!scopeSelectorRegex.test(selector)) {
-      return this.querySelectorAll(selector)
-    }
-
-    const hasId = Boolean(this.id)
-
-    if (!hasId) {
-      this.id = getUID('scope')
-    }
-
-    let nodeList = null
-    try {
-      selector = selector.replace(scopeSelectorRegex, `#${this.id}`)
-      nodeList = this.querySelectorAll(selector)
-    } finally {
-      if (!hasId) {
-        this.removeAttribute('id')
-      }
-    }
-
-    return nodeList
-  }
-
-  findOne = function (selector) {
-    if (!scopeSelectorRegex.test(selector)) {
-      return this.querySelector(selector)
-    }
-
-    const matches = find.call(this, selector)
-
-    return matches[0] ? matches[0] : null
-  }
-}
-
-export {
-  find,
-  findOne
-}

js/src/dom/selector-engine.js

@@ -5,8 +5,6 @@
  * --------------------------------------------------------------------------
  */
 
-import { find as findFn, findOne } from './polyfill'
-
 /**
  * ------------------------------------------------------------------------
  * Constants
@@ -21,11 +19,11 @@ const SelectorEngine = {
   },
 
   find(selector, element = document.documentElement) {
-    return [].concat(...findFn.call(element, selector))
+    return [].concat(...Element.prototype.querySelectorAll.call(element, selector))
   },
 
   findOne(selector, element = document.documentElement) {
-    return findOne.call(element, selector)
+    return Element.prototype.querySelector.call(element, selector)
   },
 
   children(element, selector) {

js/tests/karma.conf.js

@@ -137,16 +137,6 @@ if (browserStack) {
         branches: 89,
         functions: 90,
         lines: 90
-      },
-      each: {
-        overrides: {
-          'js/src/dom/polyfill.js': {
-            statements: 30,
-            lines: 30,
-            branches: 8,
-            functions: 30
-          }
-        }
       }
     }
   }

js/tests/visual/alert.html

@@ -51,7 +51,6 @@
       </div>
     </div>
 
-    <script src="../../dist/dom/polyfill.js"></script>
     <script src="../../dist/dom/event-handler.js"></script>
     <script src="../../dist/dom/selector-engine.js"></script>
     <script src="../../dist/dom/data.js"></script>

js/tests/visual/button.html

@@ -44,7 +44,6 @@
       </div>
     </div>
 
-    <script src="../../dist/dom/polyfill.js"></script>
     <script src="../../dist/dom/event-handler.js"></script>
     <script src="../../dist/dom/selector-engine.js"></script>
     <script src="../../dist/dom/data.js"></script>

js/tests/visual/carousel.html

@@ -45,7 +45,6 @@
       </div>
     </div>
 
-    <script src="../../dist/dom/polyfill.js"></script>
     <script src="../../dist/dom/event-handler.js"></script>
     <script src="../../dist/dom/selector-engine.js"></script>
     <script src="../../dist/dom/manipulator.js"></script>

js/tests/visual/collapse.html

@@ -71,7 +71,6 @@
       </div>
     </div>
 
-    <script src="../../dist/dom/polyfill.js"></script>
     <script src="../../dist/dom/event-handler.js"></script>
     <script src="../../dist/dom/selector-engine.js"></script>
     <script src="../../dist/dom/manipulator.js"></script>

js/tests/visual/dropdown.html

@@ -210,7 +210,6 @@
     </div>
 
     <script src="../../../node_modules/popper.js/dist/umd/popper.min.js"></script>
-    <script src="../../dist/dom/polyfill.js"></script>
     <script src="../../dist/dom/event-handler.js"></script>
     <script src="../../dist/dom/selector-engine.js"></script>
     <script src="../../dist/dom/data.js"></script>

js/tests/visual/modal.html

@@ -206,7 +206,6 @@
     </div>
 
     <script src="../../../node_modules/popper.js/dist/umd/popper.min.js"></script>
-    <script src="../../dist/dom/polyfill.js"></script>
     <script src="../../dist/dom/event-handler.js"></script>
     <script src="../../dist/dom/selector-engine.js"></script>
     <script src="../../dist/dom/data.js"></script>

js/tests/visual/popover.html

@@ -32,7 +32,6 @@
     </div>
 
     <script src="../../../node_modules/popper.js/dist/umd/popper.min.js"></script>
-    <script src="../../dist/dom/polyfill.js"></script>
     <script src="../../dist/dom/event-handler.js"></script>
     <script src="../../dist/dom/selector-engine.js"></script>
     <script src="../../dist/dom/manipulator.js"></script>

js/tests/visual/scrollspy.html

@@ -86,7 +86,6 @@
       <p>Ad leggings keytar, brunch id art party dolor labore.</p>
     </div>
 
-    <script src="../../dist/dom/polyfill.js"></script>
     <script src="../../dist/dom/data.js"></script>
     <script src="../../dist/dom/event-handler.js"></script>
     <script src="../../dist/dom/selector-engine.js"></script>

js/tests/visual/tab.html

@@ -222,7 +222,6 @@
     </div>
 
     <script src="../../../node_modules/popper.js/dist/umd/popper.min.js"></script>
-    <script src="../../dist/dom/polyfill.js"></script>
     <script src="../../dist/dom/event-handler.js"></script>
     <script src="../../dist/dom/selector-engine.js"></script>
     <script src="../../dist/dom/data.js"></script>

js/tests/visual/toast.html

@@ -52,7 +52,6 @@
       </div>
     </div>
 
-    <script src="../../dist/dom/polyfill.js"></script>
     <script src="../../dist/dom/event-handler.js"></script>
     <script src="../../dist/dom/manipulator.js"></script>
     <script src="../../dist/dom/data.js"></script>

js/tests/visual/tooltip.html

@@ -70,7 +70,6 @@
     </div>
 
     <script src="../../../node_modules/popper.js/dist/umd/popper.min.js"></script>
-    <script src="../../dist/dom/polyfill.js"></script>
     <script src="../../dist/dom/selector-engine.js"></script>
     <script src="../../dist/dom/event-handler.js"></script>
     <script src="../../dist/dom/manipulator.js"></script>