feat: use devalue for serialization inside child process

packages/vitest/package.json

@@ -126,6 +126,7 @@
     "cac": "^6.7.14",
     "chai": "^4.3.7",
     "debug": "^4.3.4",
+    "devalue": "^4.3.0",
     "local-pkg": "^0.4.2",
     "pathe": "^1.1.0",
     "picocolors": "^1.0.0",

packages/vitest/src/node/pools/child.ts

@@ -1,7 +1,7 @@
-import v8 from 'node:v8'
 import type { ChildProcess } from 'node:child_process'
 import { fork } from 'node:child_process'
 import { fileURLToPath, pathToFileURL } from 'node:url'
+import * as devalue from 'devalue'
 import { createBirpc } from 'birpc'
 import { resolve } from 'pathe'
 import type { RuntimeRPC } from '../../types'
@@ -17,8 +17,8 @@ function setupChildProcessChannel(ctx: Vitest, fork: ChildProcess) {
   createBirpc<{}, RuntimeRPC>(
     createMethodsRPC(ctx),
     {
-      serialize: v8.serialize,
-      deserialize: v => v8.deserialize(Buffer.from(v)),
+      serialize: devalue.stringify,
+      deserialize: devalue.parse,
       post(v) {
         fork.send(v)
       },

packages/vitest/src/runtime/child.ts

@@ -1,6 +1,6 @@
-import v8 from 'node:v8'
 import { relative, resolve } from 'pathe'
 import { createBirpc } from 'birpc'
+import * as devalue from 'devalue'
 import { processError } from '@vitest/runner/utils'
 import { ModuleCacheMap } from 'vite-node/client'
 import { isPrimitive } from 'vite-node/utils'
@@ -88,8 +88,8 @@ function init(ctx: ChildContext) {
       {},
       {
         eventNames: ['onUserConsoleLog', 'onFinished', 'onCollected', 'onWorkerExit'],
-        serialize: v8.serialize,
-        deserialize: v => v8.deserialize(Buffer.from(v)),
+        serialize: devalue.stringify,
+        deserialize: devalue.parse,
         post(v) {
           process.send?.(v)
         },