chore: [#1408] Fixes review findings

packages/happy-dom/src/nodes/element/DOMRect.ts

@@ -1,5 +1,6 @@
-import DOMRectReadOnly, { IDOMRectInit } from './DOMRectReadOnly.js';
+import DOMRectReadOnly from './DOMRectReadOnly.js';
 import * as PropertySymbol from '../../PropertySymbol.js';
+import IDOMRectInit from './IDOMRectInit.js';
 
 /* eslint-disable jsdoc/require-jsdoc */
 
@@ -40,4 +41,8 @@ export default class DOMRect extends DOMRectReadOnly {
 	public get height(): number {
 		return this[PropertySymbol.height];
 	}
+
+	public static fromRect(other: IDOMRectInit): DOMRect {
+		return new DOMRect(other.x, other.y, other.width, other.height);
+	}
 }

packages/happy-dom/src/nodes/element/DOMRectReadOnly.ts

@@ -1,4 +1,5 @@
 import * as PropertySymbol from '../../PropertySymbol.js';
+import IDOMRectInit from './IDOMRectInit.js';
 
 /* eslint-disable jsdoc/require-jsdoc */
 
@@ -77,10 +78,3 @@ export default class DOMRectReadOnly implements IDOMRectInit {
 		return new DOMRectReadOnly(other.x, other.y, other.width, other.height);
 	}
 }
-
-export interface IDOMRectInit {
-	readonly x: number;
-	readonly y: number;
-	readonly width: number;
-	readonly height: number;
-}

packages/happy-dom/src/nodes/element/IDOMRectInit.ts

@@ -0,0 +1,6 @@
+export default interface IDOMRectInit {
+	readonly x: number;
+	readonly y: number;
+	readonly width: number;
+	readonly height: number;
+}