From 45ad0d333480909bf649436d959138414c22ebf0 Mon Sep 17 00:00:00 2001
From: Reuben <4957964+reubn@users.noreply.github.com>
Date: Sat, 19 Feb 2022 12:46:29 +0000
Subject: [PATCH] Fix CSS Loader Detection False Positives

`test.css` will falsely match on a loader that searches for the string `test`
---
 packages/next/build/webpack-config.ts | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/packages/next/build/webpack-config.ts b/packages/next/build/webpack-config.ts
index d54d3c9f8c2bd23..64cc4d73ec21376 100644
--- a/packages/next/build/webpack-config.ts
+++ b/packages/next/build/webpack-config.ts
@@ -1853,11 +1853,11 @@ export default async function getBaseWebpackConfig(
     }
 
     const fileNames = [
-      '/tmp/test.css',
-      '/tmp/test.scss',
-      '/tmp/test.sass',
-      '/tmp/test.less',
-      '/tmp/test.styl',
+      '/tmp/NEXTJS_CSS_DETECTION_FILE.css',
+      '/tmp/NEXTJS_CSS_DETECTION_FILE.scss',
+      '/tmp/NEXTJS_CSS_DETECTION_FILE.sass',
+      '/tmp/NEXTJS_CSS_DETECTION_FILE.less',
+      '/tmp/NEXTJS_CSS_DETECTION_FILE.styl',
     ]
 
     if (rule instanceof RegExp && fileNames.some((input) => rule.test(input))) {