[FEATURE modernized-built-in-components] Enable feature

packages/@ember/-internals/glimmer/lib/components/abstract-input.ts

@@ -15,6 +15,8 @@ import InternalComponent, {
   handleDeprecatedEventArguments,
   InternalComponentConstructor,
   jQueryEventShim,
+  ObjectEntries,
+  ObjectValues,
 } from './internal';
 
 const UNINITIALIZED: unknown = Object.freeze({});
@@ -302,7 +304,7 @@ export function handleDeprecatedFeatures(
 
     handleDeprecatedAttributeArguments(target, attributeBindings);
 
-    handleDeprecatedEventArguments(target, Object.entries(virtualEvents));
+    handleDeprecatedEventArguments(target, ObjectEntries(virtualEvents));
 
     {
       let superIsVirtualEventListener = prototype['isVirtualEventListener'];
@@ -316,7 +318,7 @@ export function handleDeprecatedFeatures(
           listener: Function
         ): listener is VirtualEventListener {
           return (
-            Object.values(virtualEvents).indexOf(name) !== -1 ||
+            ObjectValues(virtualEvents).indexOf(name) !== -1 ||
             superIsVirtualEventListener.call(this, name, listener)
           );
         },

packages/@ember/-internals/glimmer/lib/components/internal.ts

@@ -28,6 +28,24 @@ import InternalModifier, { InternalModifierManager } from '../modifiers/internal
 
 function NOOP(): void {}
 
+// TODO: remove me when IE11 support is EOL
+export let ObjectEntries = ((): typeof Object['entries'] => {
+  if (typeof Object.entries === 'function') {
+    return Object.entries;
+  } else {
+    return (obj: {}) => Object.keys(obj).map((key) => [key, obj[key]] as [string, unknown]);
+  }
+})();
+
+// TODO: remove me when IE11 support is EOL
+export let ObjectValues = ((): typeof Object['values'] => {
+  if (typeof Object.values === 'function') {
+    return Object.values;
+  } else {
+    return (obj: {}) => Object.keys(obj).map((key) => obj[key]);
+  }
+})();
+
 export type EventListener = (event: Event) => void;
 
 export default class InternalComponent {
@@ -418,7 +436,7 @@ if (EMBER_MODERNIZED_BUILT_IN_COMPONENTS) {
         name: string
       ): boolean {
         let events = [
-          ...Object.values(getEventsMap(this.owner)),
+          ...ObjectValues(getEventsMap(this.owner)),
           'focus-in',
           'focus-out',
           'key-press',
@@ -444,7 +462,7 @@ if (EMBER_MODERNIZED_BUILT_IN_COMPONENTS) {
         let { element, component, listenerFor, listeners } = this;
 
         let entries: [event: string, argument: string][] = [
-          ...Object.entries(getEventsMap(this.owner)),
+          ...ObjectEntries(getEventsMap(this.owner)),
           ...extraEvents,
         ];
 
@@ -463,7 +481,7 @@ if (EMBER_MODERNIZED_BUILT_IN_COMPONENTS) {
       remove(): void {
         let { element, listeners } = this;
 
-        for (let [event, listener] of Object.entries(listeners)) {
+        for (let [event, listener] of ObjectEntries(listeners)) {
           element.removeEventListener(event, listener);
         }
 

packages/@ember/-internals/views/lib/system/event_dispatcher.js

@@ -121,18 +121,8 @@ export default EmberObject.extend({
 
   init() {
     this._super();
-
-    assert(
-      'EventDispatcher should never be instantiated in fastboot mode. Please report this as an Ember bug.',
-      (() => {
-        let owner = getOwner(this);
-        let environment = owner.lookup('-environment:main');
-
-        return environment.isInteractive;
-      })()
-    );
-
     this._eventHandlers = Object.create(null);
+    this._didSetup = false;
   },
 
   /**
@@ -148,6 +138,16 @@ export default EmberObject.extend({
     @param addedEvents {Object}
   */
   setup(addedEvents, _rootElement) {
+    assert(
+      'EventDispatcher should never be setup in fastboot mode. Please report this as an Ember bug.',
+      (() => {
+        let owner = getOwner(this);
+        let environment = owner.lookup('-environment:main');
+
+        return environment.isInteractive;
+      })()
+    );
+
     let events = (this._finalEvents = assign({}, get(this, 'events'), addedEvents));
 
     if (_rootElement !== undefined && _rootElement !== null) {
@@ -230,6 +230,8 @@ export default EmberObject.extend({
         this.setupHandler(rootElement, event, events[event]);
       }
     }
+
+    this._didSetup = true;
   },
 
   /**
@@ -432,6 +434,10 @@ export default EmberObject.extend({
   },
 
   destroy() {
+    if (this._didSetup === false) {
+      return;
+    }
+
     let rootElementSelector = get(this, 'rootElement');
     let rootElement;
     if (rootElementSelector.nodeType) {

packages/@ember/canary-features/index.ts

@@ -18,7 +18,7 @@ export const DEFAULT_FEATURES = {
   EMBER_NAMED_BLOCKS: true,
   EMBER_GLIMMER_HELPER_MANAGER: true,
   EMBER_GLIMMER_INVOKE_HELPER: true,
-  EMBER_MODERNIZED_BUILT_IN_COMPONENTS: null,
+  EMBER_MODERNIZED_BUILT_IN_COMPONENTS: true,
   EMBER_STRICT_MODE: true,
   EMBER_DYNAMIC_HELPERS_AND_MODIFIERS: null,
 };