feat: show error, when process.exit is called (#2643)

* feat: throw error, when process.exit is called

* chore: show exit error, but still exit process

packages/vitest/src/node/pool.ts

@@ -140,7 +140,8 @@ function createChannel(ctx: Vitest) {
 
   createBirpc<{}, WorkerRPC>(
     {
-      onWorkerExit(code) {
+      async onWorkerExit(error, code) {
+        await ctx.logger.printError(error, false, 'Unexpected Exit')
         process.exit(code || 1)
       },
       snapshotSaved(snapshot) {

packages/vitest/src/runtime/worker.ts

@@ -23,12 +23,9 @@ async function startViteNode(ctx: WorkerContext) {
 
   const processExit = process.exit
 
-  process.on('beforeExit', (code) => {
-    rpc().onWorkerExit(code)
-  })
-
   process.exit = (code = process.exitCode || 0): never => {
-    rpc().onWorkerExit(code)
+    const error = new Error(`process.exit called with "${code}"`)
+    rpc().onWorkerExit(error, code)
     return processExit(code)
   }
 

packages/vitest/src/types/worker.ts

@@ -27,7 +27,7 @@ export interface WorkerRPC {
   getSourceMap: (id: string, force?: boolean) => Promise<RawSourceMap | undefined>
 
   onFinished: (files: File[], errors?: unknown[]) => void
-  onWorkerExit: (code?: number) => void
+  onWorkerExit: (error: unknown, code?: number) => void
   onPathsCollected: (paths: string[]) => void
   onUserConsoleLog: (log: UserConsoleLog) => void
   onUnhandledRejection: (err: unknown) => void