From 15f329b61d1f06a02ab5bd0df7e6921480c7d44a Mon Sep 17 00:00:00 2001
From: unanmed <1319491857@qq.com>
Date: Mon, 14 Sep 2026 08:49:55 +0800
Subject: [PATCH] test(06-01): polyfill Map.getOrInsert in combat test harness

- keep the global Map stub uniform across combat test files so modules using
  getOrInsert/getOrInsertComputed load under Node
---
 packages-user/data-system/src/combat/damage.test.ts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/packages-user/data-system/src/combat/damage.test.ts b/packages-user/data-system/src/combat/damage.test.ts
index 99e532d..7f9ff2e 100644
--- a/packages-user/data-system/src/combat/damage.test.ts
+++ b/packages-user/data-system/src/combat/damage.test.ts
@@ -26,6 +26,16 @@ vi.hoisted(() => {
         this.set(key, value);
         return value;
     };
+    Map.prototype.getOrInsert ??= function <K, V>(
+        this: Map<K, V>,
+        key: K,
+        defaultValue: V
+    ): V {
+        const existing = this.get(key);
+        if (existing !== undefined) return existing;
+        this.set(key, defaultValue);
+        return defaultValue;
+    };
 });
 
 interface TestEnemyAttr {