From fc9aeaecaeca80debb77229701a341479ed477a2 Mon Sep 17 00:00:00 2001
From: Spencer Elliott <me@elliottsj.com>
Date: Thu, 20 Aug 2020 01:15:15 -0400
Subject: [PATCH] Calculate `isNextExternal` unconditional of `isLocal`

---
 packages/next/build/webpack-config.ts | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/packages/next/build/webpack-config.ts b/packages/next/build/webpack-config.ts
index 857ca1360fac0..052c3c4888a67 100644
--- a/packages/next/build/webpack-config.ts
+++ b/packages/next/build/webpack-config.ts
@@ -623,17 +623,13 @@ export default async function getBaseWebpackConfig(
       return callback()
     }
 
-    let isNextExternal: boolean = false
-    if (isLocal) {
-      // we need to process next-server/lib/router/router so that
-      // the DefinePlugin can inject process.env values
-      isNextExternal = /next[/\\]dist[/\\]next-server[/\\](?!lib[/\\]router[/\\]router)/.test(
-        res
-      )
-
-      if (!isNextExternal) {
-        return callback()
-      }
+    // we need to process next-server/lib/router/router so that
+    // the DefinePlugin can inject process.env values
+    const isNextExternal = /next[/\\]dist[/\\]next-server[/\\](?!lib[/\\]router[/\\]router)/.test(
+      res
+    )
+    if (isLocal && !isNextExternal) {
+      return callback()
     }
 
     // `isNextExternal` special cases Next.js' internal requires that