From 9fbd594f37581f75e8c6a93914b36e30d15e1f04 Mon Sep 17 00:00:00 2001
From: Bram Kragten <mail@bramkragten.nl>
Date: Thu, 17 Jun 2021 15:23:20 +0200
Subject: [PATCH] Check if `/proc/version` exists (#9438)

---
 build-scripts/gulp/webpack.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/build-scripts/gulp/webpack.js b/build-scripts/gulp/webpack.js
index 6f0c450fac..e7083cd578 100644
--- a/build-scripts/gulp/webpack.js
+++ b/build-scripts/gulp/webpack.js
@@ -19,10 +19,12 @@ const bothBuilds = (createConfigFunc, params) => [
   createConfigFunc({ ...params, latestBuild: false }),
 ];
 
-const isWsl = fs
-  .readFileSync("/proc/version", "utf-8")
-  .toLocaleLowerCase()
-  .includes("microsoft");
+const isWsl =
+  fs.existsSync("/proc/version") &&
+  fs
+    .readFileSync("/proc/version", "utf-8")
+    .toLocaleLowerCase()
+    .includes("microsoft");
 
 /**
  * @param {{