From e508a859f25081ecbf2d4645c312d22423646285 Mon Sep 17 00:00:00 2001
From: Nick Mitchell <nickm@us.ibm.com>
Date: Thu, 20 Apr 2023 09:44:03 -0400
Subject: [PATCH] fix: second-instance additionalData may be null

---
 packages/core/src/main/spawn-electron.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/core/src/main/spawn-electron.ts b/packages/core/src/main/spawn-electron.ts
index 227ee906e5a..2165972410b 100644
--- a/packages/core/src/main/spawn-electron.ts
+++ b/packages/core/src/main/spawn-electron.ts
@@ -734,14 +734,14 @@ export async function initElectron(
         // Someone tried to run a second instance, open a new window
         // to handle it
 
-        const env = !additionalData.env ? process.env : JSON.parse(additionalData.env)
+        const env = !additionalData || !additionalData.env ? process.env : JSON.parse(additionalData.env)
         const {
           argv,
           subwindowPlease,
           subwindowPrefs: defaultSubwindowPrefs
         } = getCommand(commandLine, cwd, env, async () => import('electron'))
 
-        const mySubwindowPrefs = additionalData.subwindowPrefs || defaultSubwindowPrefs
+        const mySubwindowPrefs = (additionalData && additionalData.subwindowPrefs) || defaultSubwindowPrefs
         if (!mySubwindowPrefs.width && widthFromCaller) {
           mySubwindowPrefs.width = widthFromCaller
         }