From 7ce2090cf413f82853c755314e9b615953d6436e Mon Sep 17 00:00:00 2001
From: Matt Bierner <matb@microsoft.com>
Date: Wed, 9 Feb 2022 14:44:12 -0800
Subject: [PATCH] Fix reviving of null in webview messages

Fixes #137706

```
typeof null === 'object' === :(
````
---
 src/vs/workbench/api/common/extHostWebviewMessaging.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vs/workbench/api/common/extHostWebviewMessaging.ts b/src/vs/workbench/api/common/extHostWebviewMessaging.ts
index b67625e2f24..e079f66e9e4 100644
--- a/src/vs/workbench/api/common/extHostWebviewMessaging.ts
+++ b/src/vs/workbench/api/common/extHostWebviewMessaging.ts
@@ -92,7 +92,7 @@ export function deserializeWebviewMessage(jsonMessage: string, buffers: VSBuffer
 	});
 
 	const reviver = !buffers.length ? undefined : (_key: string, value: any) => {
-		if (typeof value === 'object' && (value as extHostProtocol.WebviewMessageArrayBufferReference).$$vscode_array_buffer_reference$$) {
+		if (value && typeof value === 'object' && (value as extHostProtocol.WebviewMessageArrayBufferReference).$$vscode_array_buffer_reference$$) {
 			const ref = value as extHostProtocol.WebviewMessageArrayBufferReference;
 			const { index } = ref;
 			const arrayBuffer = arrayBuffers[index];