From 7b85684ee8acb548431eb3fbef55978051ea104a Mon Sep 17 00:00:00 2001
From: Felix Haus <felixhaus@gmail.com>
Date: Fri, 19 Mar 2021 21:22:43 +0100
Subject: [PATCH] Fix output path check for api pages

---
 packages/runtime/src/index.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/runtime/src/index.ts b/packages/runtime/src/index.ts
index 025c2292..61dd0def 100644
--- a/packages/runtime/src/index.ts
+++ b/packages/runtime/src/index.ts
@@ -1032,8 +1032,11 @@ export async function build({
           [filePath: string]: FileFsRef;
         };
 
+    const isApiPageReg = new RegExp(
+      `${serverOutputDirectory}\\/pages\\/api(\\/|\\.js$)`
+    );
     const isApiPage = (page: string) =>
-      page.replace(/\\/g, '/').match(/serverless\/pages\/api(\/|\.js$)/);
+      page.replace(/\\/g, '/').match(isApiPageReg);
 
     const canUsePreviewMode = Object.keys(pages).some(page =>
       isApiPage(pages[page].fsPath)