From 1ee13baf000ab391e6017c68eb4770768a8e7674 Mon Sep 17 00:00:00 2001
From: JJ Kasper <jj@jjsweb.site>
Date: Wed, 5 Jan 2022 09:22:22 -0600
Subject: [PATCH] Ensure NODE_ENV is not inlined for next/jest (#33032)

---
 packages/next/build/swc/options.js | 22 +++++++++++++---------
 test/unit/jest-next-swc.test.ts    |  7 +++++++
 2 files changed, 20 insertions(+), 9 deletions(-)
 create mode 100644 test/unit/jest-next-swc.test.ts

diff --git a/packages/next/build/swc/options.js b/packages/next/build/swc/options.js
index 6e2a852bfc0fc..103119885e47b 100644
--- a/packages/next/build/swc/options.js
+++ b/packages/next/build/swc/options.js
@@ -7,6 +7,7 @@ const regeneratorRuntimePath = require.resolve(
 
 function getBaseSWCOptions({
   filename,
+  jest,
   development,
   hasReactRefresh,
   globalWindow,
@@ -50,15 +51,17 @@ function getBaseSWCOptions({
         },
         optimizer: {
           simplify: false,
-          globals: {
-            typeofs: {
-              window: globalWindow ? 'object' : 'undefined',
-            },
-            envs: {
-              NODE_ENV: development ? '"development"' : '"production"',
-            },
-            // TODO: handle process.browser to match babel replacing as well
-          },
+          globals: jest
+            ? null
+            : {
+                typeofs: {
+                  window: globalWindow ? 'object' : 'undefined',
+                },
+                envs: {
+                  NODE_ENV: development ? '"development"' : '"production"',
+                },
+                // TODO: handle process.browser to match babel replacing as well
+              },
         },
         regenerator: {
           importPath: regeneratorRuntimePath,
@@ -86,6 +89,7 @@ export function getJestSWCOptions({
 }) {
   let baseOptions = getBaseSWCOptions({
     filename,
+    jest: true,
     development: false,
     hasReactRefresh: false,
     globalWindow: !isServer,
diff --git a/test/unit/jest-next-swc.test.ts b/test/unit/jest-next-swc.test.ts
new file mode 100644
index 0000000000000..55e10a32998cd
--- /dev/null
+++ b/test/unit/jest-next-swc.test.ts
@@ -0,0 +1,7 @@
+/* eslint-env jest */
+
+describe('jest next-swc preset', () => {
+  it('should have correct env', async () => {
+    expect(process.env.NODE_ENV).toBe('test')
+  })
+})