From f084e8ac0b4a7440071e184c02eb83d99713bf9b Mon Sep 17 00:00:00 2001
From: Vladimir <sleuths.slews0s@icloud.com>
Date: Fri, 25 Sep 2026 19:20:30 +0200
Subject: [PATCH] fix: do not crash in the new vscode version (#829)

---
 packages/extension/src/spawn/rpc.ts    |  8 ++++----
 packages/extension/src/spawn/ws.ts     | 27 +++++++++++--------------
 packages/extension/src/worker/index.ts | 28 +++++++++++---------------
 3 files changed, 28 insertions(+), 35 deletions(-)

diff --git a/packages/extension/src/spawn/rpc.ts b/packages/extension/src/spawn/rpc.ts
index e413b6a..28a98b9 100644
--- a/packages/extension/src/spawn/rpc.ts
+++ b/packages/extension/src/spawn/rpc.ts
@@ -65,8 +65,8 @@ export function createRpcOptions() {
 export function createVitestRpc(options: {
   on: (listener: (message: any) => void) => void
   send: (message: any) => void
-  serialize?: (v: any) => any
-  deserialize?: (v: any) => any
+  serialize: (v: any) => any
+  deserialize: (v: any) => any
 }) {
   const { events, handlers } = createRpcOptions()
 
@@ -79,8 +79,8 @@ export function createVitestRpc(options: {
     post(message) {
       options.send(message)
     },
-    serialize: options.serialize ?? v8.serialize,
-    deserialize: options.deserialize ?? ((v) => v8.deserialize(Buffer.from(v) as any)),
+    serialize: options.serialize,
+    deserialize: options.deserialize,
     onGeneralError(error) {
       log.error('RPC Error', error)
     },
diff --git a/packages/extension/src/spawn/ws.ts b/packages/extension/src/spawn/ws.ts
index 65c157d..46e3dd4 100644
--- a/packages/extension/src/spawn/ws.ts
+++ b/packages/extension/src/spawn/ws.ts
@@ -89,21 +89,18 @@ export function onWsConnection(
       const { api, handlers } = createVitestRpc({
         on: (listener) => ws.on('message', listener),
         send: (message) => ws.send(message),
-        serialize:
-          pkg.runtime !== 'node'
-            ? (e) =>
-                stringify(e, (_, v) => {
-                  if (v instanceof Error) {
-                    return {
-                      name: v.name,
-                      message: v.message,
-                      stack: v.stack,
-                    }
-                  }
-                  return v
-                })
-            : undefined,
-        deserialize: pkg.runtime !== 'node' ? parse : undefined,
+        serialize: (e) =>
+          stringify(e, (_, v) => {
+            if (v instanceof Error) {
+              return {
+                name: v.name,
+                message: v.message,
+                stack: v.stack,
+              }
+            }
+            return v
+          }),
+        deserialize: parse,
       })
       ws.once('close', () => {
         log.verbose?.('[API]', 'Vitest WebSocket connection closed, cannot call RPC anymore.')
diff --git a/packages/extension/src/worker/index.ts b/packages/extension/src/worker/index.ts
index 6b86cca..385060c 100644
--- a/packages/extension/src/worker/index.ts
+++ b/packages/extension/src/worker/index.ts
@@ -54,22 +54,18 @@ emitter.on('message', async function onMessage(message: any) {
         post(message) {
           emitter.send(message)
         },
-        serialize:
-          data.meta.runtime !== 'node'
-            ? (e) =>
-                stringify(e, (_, v) => {
-                  if (v instanceof Error) {
-                    return {
-                      name: v.name,
-                      message: v.message,
-                      stack: v.stack,
-                    }
-                  }
-                  return v
-                })
-            : v8.serialize,
-        deserialize:
-          data.meta.runtime !== 'node' ? parse : (v) => v8.deserialize(Buffer.from(v) as any),
+        serialize: (e) =>
+          stringify(e, (_, v) => {
+            if (v instanceof Error) {
+              return {
+                name: v.name,
+                message: v.message,
+                stack: v.stack,
+              }
+            }
+            return v
+          }),
+        deserialize: parse,
       })
       worker.initRpc(rpc)
       reporter.initRpc(rpc)
-- 
2.51.2