From 65aae0ddadd2efc55bbbff4396f9c64458e3f407 Mon Sep 17 00:00:00 2001
From: Jarred Sumner <jarred@jarredsumner.com>
Date: Fri, 18 Feb 2022 02:49:10 -0800
Subject: [PATCH] [bun.js] Make `typeof window` return `"undefined"` by default

---
 src/options.zig | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/options.zig b/src/options.zig
index 7e7f6a7c32..182d0851a8 100644
--- a/src/options.zig
+++ b/src/options.zig
@@ -1006,6 +1006,16 @@ pub fn definesFromTransformOptions(
         _ = try user_defines.getOrPutValue(DefaultUserDefines.PlatformDefine.Key, value);
     }
 
+    if (platform.isBun()) {
+        if (!user_defines.contains("window")) {
+            _ = try environment_defines.getOrPutValue("window", .{
+                .valueless = true,
+                .original_name = "window",
+                .value = .{ .e_undefined = .{} },
+            });
+        }
+    }
+
     var resolved_defines = try defines.DefineData.from_input(user_defines, log, allocator);
 
     return try defines.Define.init(