From b38c05bc95a4443c1947e5cfe42d7af004259ab6 Mon Sep 17 00:00:00 2001
From: Tim Neutkens <tim@timneutkens.nl>
Date: Thu, 1 Feb 2018 16:21:18 +0100
Subject: [PATCH] Add NODE_PATH support (#3656)

---
 server/build/webpack.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/server/build/webpack.js b/server/build/webpack.js
index 4489afdd..a6d5fdce 100644
--- a/server/build/webpack.js
+++ b/server/build/webpack.js
@@ -92,6 +92,11 @@ export default async function getBaseWebpackConfig (dir, {dev = false, isServer
     }
   }
 
+  // Support for NODE_PATH
+  const nodePathList = (process.env.NODE_PATH || '')
+    .split(process.platform === 'win32' ? ';' : ':')
+    .filter((p) => !!p)
+
   let totalPages
 
   let webpackConfig = {
@@ -132,7 +137,8 @@ export default async function getBaseWebpackConfig (dir, {dev = false, isServer
       extensions: ['.js', '.jsx', '.json'],
       modules: [
         nextNodeModulesDir,
-        'node_modules'
+        'node_modules',
+        ...nodePathList // Support for NODE_PATH environment variable
       ],
       alias: {
         next: nextDir,
@@ -146,7 +152,8 @@ export default async function getBaseWebpackConfig (dir, {dev = false, isServer
       modules: [
         nextNodeModulesDir,
         'node_modules',
-        path.join(__dirname, 'loaders')
+        path.join(__dirname, 'loaders'),
+        ...nodePathList // Support for NODE_PATH environment variable
       ]
     },
     module: {