Remove some IE11 support (Symbols)

package.json

@@ -390,4 +390,4 @@
     }
   },
   "packageManager": "[email protected]"
-}
+}

packages/@ember/-internals/glimmer/lib/component-managers/curly.ts

@@ -4,7 +4,7 @@ import {
   getOwner,
   setOwner,
 } from '@ember/-internals/owner';
-import { enumerableSymbol, guidFor } from '@ember/-internals/utils';
+import { guidFor } from '@ember/-internals/utils';
 import { addChildView, setElementView, setViewElement } from '@ember/-internals/views';
 import type { Nullable } from '@ember/-internals/utility-types';
 import { assert, debugFreeze } from '@ember/debug';
@@ -53,8 +53,13 @@ import {
 import ComponentStateBucket from '../utils/curly-component-state-bucket';
 import { processComponentArgs } from '../utils/process-args';
 
-export const ARGS = enumerableSymbol('ARGS');
-export const HAS_BLOCK = enumerableSymbol('HAS_BLOCK');
+const COMPONENT_ARGS_MAP = new WeakMap<object, CapturedArguments['named']>();
+
+export function getComponentCapturedArgs(
+  component: object
+): CapturedArguments['named'] | undefined {
+  return COMPONENT_ARGS_MAP.get(component);
+}
 
 export const DIRTY_TAG = Symbol('DIRTY_TAG');
 export const IS_DISPATCHING_ATTRS = Symbol('IS_DISPATCHING_ATTRS');
@@ -248,8 +253,7 @@ export default class CurlyComponentManager
     args: VMArguments,
     { isInteractive }: Environment,
     dynamicScope: DynamicScope,
-    callerSelfRef: Reference,
-    hasBlock: boolean
+    callerSelfRef: Reference
   ): ComponentStateBucket {
     // Get the nearest concrete component instance from the scope. "Virtual"
     // components will be skipped.
@@ -261,7 +265,6 @@ export default class CurlyComponentManager
 
     beginTrackFrame();
     let props = processComponentArgs(capturedArgs);
-    props[ARGS] = capturedArgs;
     let argsTag = endTrackFrame();
 
     // Alias `id` argument to `elementId` property on the component instance.
@@ -271,11 +274,6 @@ export default class CurlyComponentManager
     // component.
     props.parentView = parentView;
 
-    // Set whether this component was invoked with a block
-    // (`{{#my-component}}{{/my-component}}`) or without one
-    // (`{{my-component}}`).
-    props[HAS_BLOCK] = hasBlock;
-
     // Save the current `this` context of the template as the component's
     // `_target`, so bubbled actions are routed to the right place.
     props._target = valueForRef(callerSelfRef);
@@ -293,6 +291,10 @@ export default class CurlyComponentManager
     beginUntrackFrame();
     let component = ComponentClass.create(props);
 
+    // Store capturedArgs in a WeakMap keyed by the component instance so that
+    // PROPERTY_DID_CHANGE can look them up
+    COMPONENT_ARGS_MAP.set(component, capturedArgs);
+
     let finalizer = _instrumentStart('render.component', initialRenderInstrumentDetails, component);
 
     // We become the new parentView for downstream components, so save our

packages/@ember/-internals/glimmer/lib/component.ts

@@ -28,11 +28,11 @@ import type { DirtyableTag } from '@glimmer/validator';
 import { createTag, dirtyTag } from '@glimmer/validator';
 import type { SimpleElement } from '@simple-dom/interface';
 import {
-  ARGS,
   BOUNDS,
   CURLY_COMPONENT_MANAGER,
   DIRTY_TAG,
   IS_DISPATCHING_ATTRS,
+  getComponentCapturedArgs,
 } from './component-managers/curly';
 import { hasDOM } from '@ember/-internals/browser-environment';
 
@@ -1038,7 +1038,7 @@ class Component<S = unknown>
       return;
     }
 
-    let args = (this as any)[ARGS];
+    let args = getComponentCapturedArgs(this);
     let reference = args !== undefined ? args[key] : undefined;
 
     if (reference !== undefined && isUpdatableRef(reference)) {

packages/@ember/-internals/meta/lib/meta.ts

@@ -1,5 +1,5 @@
 import type { ComputedProperty } from '@ember/-internals/metal';
-import { symbol, toString } from '@ember/-internals/utils';
+import { toString } from '@ember/-internals/utils';
 import { assert } from '@ember/debug';
 import { isDestroyed } from '@glimmer/destroyable';
 import { DEBUG } from '@glimmer/env';
@@ -58,7 +58,7 @@ if (DEBUG) {
 @module ember
 */
 
-export const UNDEFINED = symbol('undefined');
+export const UNDEFINED = Symbol('undefined');
 
 const enum ListenerKind {
   ADD = 0,

packages/@ember/-internals/metal/lib/property_get.ts

@@ -2,14 +2,14 @@
 @module @ember/object
 */
 import type { _ProxyMixin as ProxyMixin } from '@ember/-internals/runtime';
-import { setProxy, symbol } from '@ember/-internals/utils';
+import { setProxy } from '@ember/-internals/utils';
 import { isEmberArray } from '@ember/array/-internals';
 import { assert } from '@ember/debug';
 import { DEBUG } from '@glimmer/env';
 import { consumeTag, isTracking, tagFor, track } from '@glimmer/validator';
 import { isPath } from './path_cache';
 
-export const PROXY_CONTENT = symbol('PROXY_CONTENT');
+export const PROXY_CONTENT = Symbol('PROXY_CONTENT');
 
 export let getPossibleMandatoryProxyValue: (obj: object, keyName: string) => any;
 

packages/@ember/-internals/metal/lib/tags.ts

@@ -1,4 +1,4 @@
-import { isObject, setupMandatorySetter, symbol, toString } from '@ember/-internals/utils';
+import { isObject, setupMandatorySetter, toString } from '@ember/-internals/utils';
 import { assert } from '@ember/debug';
 import { isDestroyed } from '@glimmer/destroyable';
 import { DEBUG } from '@glimmer/env';
@@ -15,7 +15,7 @@ type CustomTagFnWithMandatorySetter = (
 ) => Tag;
 
 // This is exported for `@tracked`, but should otherwise be avoided. Use `tagForObject`.
-export const SELF_TAG: string | symbol = symbol('SELF_TAG');
+export const SELF_TAG: string | symbol = Symbol('SELF_TAG');
 
 export function tagForProperty(
   obj: object,

packages/@ember/-internals/utils/index.ts

@@ -8,7 +8,6 @@
  Utility methods that are needed in < 80% of cases should be placed
  elsewhere (so they can be lazily evaluated / parsed).
 */
-export { symbol, enumerableSymbol, isInternalSymbol } from './lib/symbol';
 export { default as dictionary } from './lib/dictionary';
 export { default as getDebugName } from './lib/get-debug-name';
 export { uuid, GUID_KEY, generateGuid, guidFor } from './lib/guid';

packages/@ember/controller/index.ts

@@ -6,7 +6,6 @@ import type { DecoratorPropertyDescriptor, ElementDescriptor } from '@ember/-int
 import Mixin from '@ember/object/mixin';
 import type { RouteArgs } from '@ember/routing/-internals';
 import { ActionHandler } from '@ember/-internals/runtime';
-import { symbol } from '@ember/-internals/utils';
 import type { Transition } from 'router_js';
 
 export type ControllerQueryParamType = 'boolean' | 'number' | 'array' | 'string';
@@ -15,7 +14,7 @@ export type ControllerQueryParam =
   | Record<string, { type: ControllerQueryParamType }>
   | Record<string, string>;
 
-const MODEL = symbol('MODEL');
+const MODEL = Symbol('MODEL');
 
 /**
 @module @ember/controller

packages/@ember/object/-internals.ts

@@ -3,7 +3,6 @@ export { guidFor } from '@ember/-internals/utils';
 
 import { addListener } from '@ember/-internals/metal';
 import { assert } from '@ember/debug';
-import { symbol } from '@ember/-internals/utils';
 import { DEBUG } from '@glimmer/env';
 import EmberObject from '.';
 
@@ -27,7 +26,7 @@ let FrameworkObject: typeof EmberObject = class FrameworkObject extends EmberObj
 
 if (DEBUG) {
   const INIT_WAS_CALLED = Symbol('INIT_WAS_CALLED');
-  let ASSERT_INIT_WAS_CALLED = symbol('ASSERT_INIT_WAS_CALLED');
+  let ASSERT_INIT_WAS_CALLED = Symbol('ASSERT_INIT_WAS_CALLED');
 
   FrameworkObject = class DebugFrameworkObject extends EmberObject {
     [INIT_WAS_CALLED] = false;

packages/@ember/object/core.ts

@@ -4,7 +4,7 @@
 
 import { getFactoryFor, setFactoryFor } from '@ember/-internals/container';
 import { type default as Owner, getOwner } from '@ember/-internals/owner';
-import { guidFor, isInternalSymbol } from '@ember/-internals/utils';
+import { guidFor } from '@ember/-internals/utils';
 import { meta } from '@ember/-internals/meta';
 import type { ComputedProperty, HasUnknownProperty } from '@ember/-internals/metal';
 import {
@@ -271,7 +271,6 @@ class CoreObject {
             // init called will be set on the proxy, not the target, so get with the receiver
             !initCalled!.has(receiver) ||
             typeof property === 'symbol' ||
-            isInternalSymbol(property) ||
             property === 'toJSON' ||
             property === 'toString' ||
             property === 'toStringExtension' ||