Add IllegalConstructor error subclass

.changeset/hot-wolves-exist.md

@@ -0,0 +1,5 @@
+---
+'nxjs-runtime': patch
+---
+
+Add `IllegalConstructor` error subclass

packages/runtime/src/crypto.ts

@@ -1,4 +1,4 @@
-import { def } from './utils';
+import { IllegalConstructor, def } from './utils';
 import { type SwitchClass } from './switch';
 import { type ArrayBufferView } from './types';
 
@@ -13,7 +13,9 @@ export class Crypto implements globalThis.Crypto {
 	/**
 	 * @ignore
 	 */
-	constructor() {}
+	constructor() {
+		throw new IllegalConstructor();
+	}
 
 	/**
 	 * The `crypto.subtle` interface is not yet implemented.
@@ -83,5 +85,5 @@ def('Crypto', Crypto);
  *
  * @see https://developer.mozilla.org/docs/Web/API/crypto_property
  */
-export const crypto = new Crypto();
+export const crypto: Crypto = Object.create(Crypto.prototype);
 def('crypto', crypto);

packages/runtime/src/navigator.ts

@@ -1,4 +1,4 @@
-import { def } from './utils';
+import { IllegalConstructor, def } from './utils';
 import { BatteryManager } from './navigator/battery';
 import { INTERNAL_SYMBOL } from './types';
 import type { SwitchClass } from './switch';
@@ -24,7 +24,7 @@ export class Navigator {
 	 * @ignore
 	 */
 	constructor() {
-		throw new TypeError('Illegal constructor.');
+		throw new IllegalConstructor();
 	}
 
 	/**
@@ -50,8 +50,7 @@ export class Navigator {
 	}
 
 	/**
-	 * Returns a battery promise, which is resolved in a {@link BatteryManager} object
-	 * providing also some new events you can handle to monitor the battery status.
+	 * Returns a promise which is resolved to a {@link BatteryManager} instance.
 	 *
 	 * @see https://developer.mozilla.org/docs/Web/API/Navigator/getBattery
 	 */

packages/runtime/src/navigator/battery.ts

@@ -1,7 +1,8 @@
 import { $ } from '../$';
 import { INTERNAL_SYMBOL } from '../types';
-import { def } from '../utils';
+import { IllegalConstructor, def } from '../utils';
 import type { SwitchClass } from '../switch';
+import type { Navigator } from '../navigator';
 
 declare const Switch: SwitchClass;
 
@@ -18,7 +19,7 @@ export class BatteryManager extends EventTarget {
 	 */
 	constructor() {
 		if (arguments[0] !== INTERNAL_SYMBOL) {
-			throw new TypeError('Illegal constructor.');
+			throw new IllegalConstructor();
 		}
 		super();
 		$.batteryInit();

packages/runtime/src/utils.ts

@@ -34,3 +34,9 @@ export function asyncIteratorToStream<T>(it: AsyncIterableIterator<T>) {
 		},
 	});
 }
+
+export class IllegalConstructor extends TypeError {
+	constructor() {
+		super('Illegal constructor');
+	}
+}