From 2ed6d6c1de4f5051b87cb6a2c5ac45320c444989 Mon Sep 17 00:00:00 2001
From: Tony <68118705+Legend-Master@users.noreply.github.com>
Date: Sat, 18 Jul 2026 19:46:31 +0800
Subject: [PATCH] fix(store): `StoreOptions.defaults` should not be required
 (#3499)

---
 .changes/store-optional-defaults.md | 6 ++++++
 plugins/store/guest-js/index.ts     | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 .changes/store-optional-defaults.md

diff --git a/.changes/store-optional-defaults.md b/.changes/store-optional-defaults.md
new file mode 100644
index 000000000..6eddb2d65
--- /dev/null
+++ b/.changes/store-optional-defaults.md
@@ -0,0 +1,6 @@
+---
+store: patch
+store-js: patch
+---
+
+Fix `StoreOptions` requires `defaults` field
diff --git a/plugins/store/guest-js/index.ts b/plugins/store/guest-js/index.ts
index 776894a1b..ec8f11657 100644
--- a/plugins/store/guest-js/index.ts
+++ b/plugins/store/guest-js/index.ts
@@ -21,7 +21,7 @@ export type StoreOptions = {
   /**
    * Default value of the store
    */
-  defaults: { [key: string]: unknown }
+  defaults?: { [key: string]: unknown }
   /**
    * Auto save on modification with debounce duration in milliseconds, it's 100ms by default, pass in `false` to disable it
    */