From 7eee3a4f11b0981097838c470f66030c2e56c597 Mon Sep 17 00:00:00 2001
From: David Ortner <david@ortner.se>
Date: Wed, 8 Jan 2025 00:50:42 +0100
Subject: [PATCH] fix: [#1669] Adds null check for if browser frame isnt
 available in Response during tear down of the Browser

---
 packages/happy-dom/src/fetch/Response.ts | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/packages/happy-dom/src/fetch/Response.ts b/packages/happy-dom/src/fetch/Response.ts
index 04a34219..718ec322 100644
--- a/packages/happy-dom/src/fetch/Response.ts
+++ b/packages/happy-dom/src/fetch/Response.ts
@@ -105,6 +105,12 @@ export default class Response implements Response {
 		}
 
 		const browserFrame = new WindowBrowserContext(window).getBrowserFrame();
+
+		// No browser frame means that the browser is being teared down.
+		if (!browserFrame) {
+			return new ArrayBuffer(0);
+		}
+
 		const asyncTaskManager = browserFrame[PropertySymbol.asyncTaskManager];
 
 		(<boolean>this.bodyUsed) = true;
@@ -161,6 +167,12 @@ export default class Response implements Response {
 		}
 
 		const browserFrame = new WindowBrowserContext(window).getBrowserFrame();
+
+		// No browser frame means that the browser is being teared down.
+		if (!browserFrame) {
+			return Buffer.alloc(0);
+		}
+
 		const asyncTaskManager = browserFrame[PropertySymbol.asyncTaskManager];
 
 		(<boolean>this.bodyUsed) = true;
@@ -203,6 +215,12 @@ export default class Response implements Response {
 		}
 
 		const browserFrame = new WindowBrowserContext(window).getBrowserFrame();
+
+		// No browser frame means that the browser is being teared down.
+		if (!browserFrame) {
+			return '';
+		}
+
 		const asyncTaskManager = browserFrame[PropertySymbol.asyncTaskManager];
 
 		(<boolean>this.bodyUsed) = true;
@@ -247,6 +265,12 @@ export default class Response implements Response {
 	public async formData(): Promise<FormData> {
 		const window = this[PropertySymbol.window];
 		const browserFrame = new WindowBrowserContext(window).getBrowserFrame();
+
+		// No browser frame means that the browser is being teared down.
+		if (!browserFrame) {
+			return new window.FormData();
+		}
+
 		const asyncTaskManager = browserFrame[PropertySymbol.asyncTaskManager];
 		const contentType = this.headers.get('Content-Type');