diff --git a/packages/happy-dom/src/browser/types/IBrowserSettings.ts b/packages/happy-dom/src/browser/types/IBrowserSettings.ts
index ed8bb17ee..1ae878805 100644
--- a/packages/happy-dom/src/browser/types/IBrowserSettings.ts
+++ b/packages/happy-dom/src/browser/types/IBrowserSettings.ts
@@ -5,6 +5,12 @@ import BrowserNavigationCrossOriginPolicyEnum from '../enums/BrowserNavigationCr
  * Browser settings.
  */
 export default interface IBrowserSettings {
+	/**
+	 * Allows resource urls to be transformed.
+	 * Ex: https://www.example.com/assets/index.js -> file:///Users/example-user/Projects/example/dist/assets/index.js
+	 */
+	resourceUrlTransformer?: (url: string) => string;
+
 	/** Disables JavaScript evaluation. */
 	disableJavaScriptEvaluation: boolean;
 
diff --git a/packages/happy-dom/src/browser/types/IOptionalBrowserSettings.ts b/packages/happy-dom/src/browser/types/IOptionalBrowserSettings.ts
index 33d314eea..9689f55d0 100644
--- a/packages/happy-dom/src/browser/types/IOptionalBrowserSettings.ts
+++ b/packages/happy-dom/src/browser/types/IOptionalBrowserSettings.ts
@@ -2,6 +2,12 @@ import BrowserErrorCaptureEnum from '../enums/BrowserErrorCaptureEnum.js';
 import BrowserNavigationCrossOriginPolicyEnum from '../enums/BrowserNavigationCrossOriginPolicyEnum.js';
 
 export default interface IOptionalBrowserSettings {
+	/**
+	 * Allows resource urls to be transformed.
+	 * Ex: https://www.example.com/assets/index.js -> file:///Users/example-user/Projects/example/dist/assets/index.js
+	 */
+	resourceUrlTransformer?: (url: string) => string;
+
 	/** Disables JavaScript evaluation. */
 	disableJavaScriptEvaluation?: boolean;
 
diff --git a/packages/happy-dom/src/fetch/ResourceFetch.ts b/packages/happy-dom/src/fetch/ResourceFetch.ts
index 70a33fa16..3e9cbc803 100644
--- a/packages/happy-dom/src/fetch/ResourceFetch.ts
+++ b/packages/happy-dom/src/fetch/ResourceFetch.ts
@@ -30,6 +30,12 @@ export default class ResourceFetch {
 	 * @returns Response.
 	 */
 	public async fetch(url: string): Promise<string> {
+		if (
+			typeof this.#browserFrame.page.context.browser.settings.resourceUrlTransformer === 'function'
+		) {
+			url = this.#browserFrame.page.context.browser.settings.resourceUrlTransformer(url);
+		}
+
 		const fetch = new Fetch({
 			browserFrame: this.#browserFrame,
 			window: this.window,
@@ -56,6 +62,11 @@ export default class ResourceFetch {
 	 * @returns Response.
 	 */
 	public fetchSync(url: string): string {
+		if (
+			typeof this.#browserFrame.page.context.browser.settings.resourceUrlTransformer === 'function'
+		) {
+			url = this.#browserFrame.page.context.browser.settings.resourceUrlTransformer(url);
+		}
 		const fetch = new SyncFetch({
 			browserFrame: this.#browserFrame,
 			window: this.window,
diff --git a/packages/happy-dom/vitest.config.ts.timestamp-1727264608254-e40f6185bc157.mjs b/packages/happy-dom/vitest.config.ts.timestamp-1727264608254-e40f6185bc157.mjs
new file mode 100644
index 000000000..e13eb5e5d
--- /dev/null
+++ b/packages/happy-dom/vitest.config.ts.timestamp-1727264608254-e40f6185bc157.mjs
@@ -0,0 +1,15 @@
+// vitest.config.ts
+import { defineConfig } from "file:///Users/olsa02/Projects/happy-dom/node_modules/vitest/dist/config.js";
+var vitest_config_default = defineConfig({
+  test: {
+    environment: "node",
+    include: ["./test/**/*.test.ts"],
+    setupFiles: ["./test/setup.ts"],
+    testTimeout: 500,
+    restoreMocks: true
+  }
+});
+export {
+  vitest_config_default as default
+};
+//# sourceMappingURL=data:application/json;base64,ewogICJ2ZXJzaW9uIjogMywKICAic291cmNlcyI6IFsidml0ZXN0LmNvbmZpZy50cyJdLAogICJzb3VyY2VzQ29udGVudCI6IFsiY29uc3QgX192aXRlX2luamVjdGVkX29yaWdpbmFsX2Rpcm5hbWUgPSBcIi9Vc2Vycy9vbHNhMDIvUHJvamVjdHMvaGFwcHktZG9tL3BhY2thZ2VzL2hhcHB5LWRvbVwiO2NvbnN0IF9fdml0ZV9pbmplY3RlZF9vcmlnaW5hbF9maWxlbmFtZSA9IFwiL1VzZXJzL29sc2EwMi9Qcm9qZWN0cy9oYXBweS1kb20vcGFja2FnZXMvaGFwcHktZG9tL3ZpdGVzdC5jb25maWcudHNcIjtjb25zdCBfX3ZpdGVfaW5qZWN0ZWRfb3JpZ2luYWxfaW1wb3J0X21ldGFfdXJsID0gXCJmaWxlOi8vL1VzZXJzL29sc2EwMi9Qcm9qZWN0cy9oYXBweS1kb20vcGFja2FnZXMvaGFwcHktZG9tL3ZpdGVzdC5jb25maWcudHNcIjtpbXBvcnQgeyBkZWZpbmVDb25maWcgfSBmcm9tICd2aXRlc3QvY29uZmlnJztcblxuZXhwb3J0IGRlZmF1bHQgZGVmaW5lQ29uZmlnKHtcblx0dGVzdDoge1xuXHRcdGVudmlyb25tZW50OiAnbm9kZScsXG5cdFx0aW5jbHVkZTogWycuL3Rlc3QvKiovKi50ZXN0LnRzJ10sXG5cdFx0c2V0dXBGaWxlczogWycuL3Rlc3Qvc2V0dXAudHMnXSxcblx0XHR0ZXN0VGltZW91dDogNTAwLFxuXHRcdHJlc3RvcmVNb2NrczogdHJ1ZVxuXHR9XG59KTtcbiJdLAogICJtYXBwaW5ncyI6ICI7QUFBK1UsU0FBUyxvQkFBb0I7QUFFNVcsSUFBTyx3QkFBUSxhQUFhO0FBQUEsRUFDM0IsTUFBTTtBQUFBLElBQ0wsYUFBYTtBQUFBLElBQ2IsU0FBUyxDQUFDLHFCQUFxQjtBQUFBLElBQy9CLFlBQVksQ0FBQyxpQkFBaUI7QUFBQSxJQUM5QixhQUFhO0FBQUEsSUFDYixjQUFjO0FBQUEsRUFDZjtBQUNELENBQUM7IiwKICAibmFtZXMiOiBbXQp9Cg==