From dc8e3a35200ecab3251e6c9f1fb0c773301c62bf Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Sun, 20 Jul 2025 21:00:19 +0200
Subject: [PATCH 1/3] fix(dev): add exception handlers for initial restart

---
 packages/nuxi/src/dev/index.ts | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/packages/nuxi/src/dev/index.ts b/packages/nuxi/src/dev/index.ts
index b8a2f5d8e..07c2b5f5b 100644
--- a/packages/nuxi/src/dev/index.ts
+++ b/packages/nuxi/src/dev/index.ts
@@ -150,7 +150,16 @@ export async function initialize(devContext: NuxtDevContext, ctx: InitializeOpti
       }
     },
     onRestart: (callback: (devServer: NuxtDevServer) => void) => {
-      devServer.once('restart', () => callback(devServer))
+      let restarted = false
+      function restart() {
+        if (!restarted) {
+          restarted = true
+          callback(devServer)
+        }
+      }
+      devServer.once('restart', restart)
+      process.once('uncaughtException', restart)
+      process.once('unhandledRejection', restart)
     },
   }
 }

From 4e73bbe353d49d9cd878f0e383406780d68799e4 Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Sun, 20 Jul 2025 21:22:51 +0200
Subject: [PATCH 2/3] fix: ignore errors thrown when closing devServer

---
 packages/nuxi/src/commands/dev.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/packages/nuxi/src/commands/dev.ts b/packages/nuxi/src/commands/dev.ts
index c54566f75..7a9f4d9a4 100644
--- a/packages/nuxi/src/commands/dev.ts
+++ b/packages/nuxi/src/commands/dev.ts
@@ -161,8 +161,10 @@ const command = defineCommand({
     // ... then fall back to pre-warmed fork if a hard restart is required
     const fork = startSubprocess(cwd, ctx.args, ctx.rawArgs, listenOptions)
     onRestart(async (devServer) => {
-      await devServer.close()
-      const subprocess = await fork
+      const [subprocess] = await Promise.all([
+        fork,
+        devServer.close().catch(() => {}),
+      ])
       await subprocess.initialize(devProxy, useSocket)
     })
 

From b0d706df4049d735334eb850d3cd936441d61937 Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Mon, 21 Jul 2025 10:03:20 +0200
Subject: [PATCH 3/3] fix: do not kill process if it is not a fork

---
 packages/nuxi/src/dev/index.ts | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/packages/nuxi/src/dev/index.ts b/packages/nuxi/src/dev/index.ts
index 14477ec7a..84967ff40 100644
--- a/packages/nuxi/src/dev/index.ts
+++ b/packages/nuxi/src/dev/index.ts
@@ -23,10 +23,13 @@ interface InitializeOptions {
 class IPC {
   enabled = !!process.send && !process.title?.includes('vitest') && process.env.__NUXT__FORK
   constructor() {
-    process.once('unhandledRejection', (reason) => {
-      this.send({ type: 'nuxt:internal:dev:rejection', message: reason instanceof Error ? reason.toString() : 'Unhandled Rejection' })
-      process.exit()
-    })
+    // only kill process if it is a fork
+    if (this.enabled) {
+      process.once('unhandledRejection', (reason) => {
+        this.send({ type: 'nuxt:internal:dev:rejection', message: reason instanceof Error ? reason.toString() : 'Unhandled Rejection' })
+        process.exit()
+      })
+    }
     process.on('message', (message: NuxtParentIPCMessage) => {
       if (message.type === 'nuxt:internal:dev:context') {
         initialize(message.context, {}, message.socket ? undefined : true)