From 87237242e4dd2571fd977824dd1b9b3a271d065a Mon Sep 17 00:00:00 2001
From: Matt Hillsdon <matt.hillsdon@microbit.org>
Date: Tue, 26 Mar 2024 09:29:59 +0000
Subject: [PATCH] Fix type error

---
 src/schemas/portableText.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/schemas/portableText.ts b/src/schemas/portableText.ts
index 2462fed..8833a13 100644
--- a/src/schemas/portableText.ts
+++ b/src/schemas/portableText.ts
@@ -32,7 +32,7 @@ export const portableTextFactory = (config: PythonEditorPluginConfig): SchemaTyp
           annotations: [
             toolkitInternalLink,
             toolkitApiLink,
-            config.overrides.externalLink ?? externalLink,
+            config.overrides?.externalLink ?? externalLink,
             // There seems to be an issue with validation-related types here, hence the kludge.
           ] as unknown as ArrayOfType<'object' | 'reference', undefined>[],
         },