From e601f0a0d633e8274bc48a4fa8db672c6b04348b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Chopin?= <seb@nuxtjs.com>
Date: Mon, 9 Nov 2020 18:17:32 +0100
Subject: [PATCH] chore(server): redirect if `router.base` specified in
 development (#8313)

---
 packages/server/src/server.js | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/packages/server/src/server.js b/packages/server/src/server.js
index e330d86510..6edc2b190e 100644
--- a/packages/server/src/server.js
+++ b/packages/server/src/server.js
@@ -4,7 +4,7 @@ import launchMiddleware from 'launch-editor-middleware'
 import serveStatic from 'serve-static'
 import servePlaceholder from 'serve-placeholder'
 import connect from 'connect'
-import { determineGlobals, isUrl } from '@nuxt/utils'
+import { determineGlobals, isUrl, urlJoin } from '@nuxt/utils'
 
 import ServerContext from './context'
 import renderAndGetWindow from './jsdom'
@@ -161,6 +161,21 @@ export default class Server {
       resources: this.resources
     }))
 
+    // DX: redirect if router.base in development
+    if (this.options.dev && this.nuxt.options.router.base !== '/') {
+      this.useMiddleware({
+        prefix: false,
+        handler: (req, res) => {
+          const to = urlJoin(this.nuxt.options.router.base, req.url)
+          consola.info(`[Development] Redirecting from \`${req.url}\` to \`${to}\` (router.base specified).`)
+          res.writeHead(302, {
+            Location: to
+          })
+          res.end()
+        }
+      })
+    }
+
     // Apply errorMiddleware from modules first
     await this.nuxt.callHook('render:errorMiddleware', this.app)