Fix IE11: Object.entries is not available

emberjs · Feb 26, 2021 · 403d9a4 · 403d9a4
1 parent 4cb7da4
commit 403d9a4
Show file tree

Hide file tree

Showing 2 changed files with 12 additions and 2 deletions.
diff --git a/packages/@ember/-internals/glimmer/lib/components/abstract-input.ts b/packages/@ember/-internals/glimmer/lib/components/abstract-input.ts
@@ -15,6 +15,7 @@ import InternalComponent, {
   handleDeprecatedEventArguments,
   InternalComponentConstructor,
   jQueryEventShim,
+  ObjectEntries,
 } from './internal';
 
 const UNINITIALIZED: unknown = Object.freeze({});
@@ -302,7 +303,7 @@ export function handleDeprecatedFeatures(
 
     handleDeprecatedAttributeArguments(target, attributeBindings);
 
-    handleDeprecatedEventArguments(target, Object.entries(virtualEvents));
+    handleDeprecatedEventArguments(target, ObjectEntries(virtualEvents));
 
     {
       let superIsVirtualEventListener = prototype['isVirtualEventListener'];

diff --git a/packages/@ember/-internals/glimmer/lib/components/internal.ts b/packages/@ember/-internals/glimmer/lib/components/internal.ts
@@ -28,6 +28,15 @@ 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]);
+  }
+})();
+
 export type EventListener = (event: Event) => void;
 
 export default class InternalComponent {
@@ -444,7 +453,7 @@ 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,
         ];