From 900a72e4c95f00af8654a6c425a152f3455b8db3 Mon Sep 17 00:00:00 2001
From: Azure <983547216@qq.com>
Date: Sat, 18 Oct 2025 20:10:32 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8D=95=E4=BE=8B=E6=A8=A1=E5=BC=8F=20?=
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---
 src/common/utils/sington.ts | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 src/common/utils/sington.ts

diff --git a/src/common/utils/sington.ts b/src/common/utils/sington.ts
new file mode 100644
index 0000000..252f4b3
--- /dev/null
+++ b/src/common/utils/sington.ts
@@ -0,0 +1,24 @@
+/** 单例模式 装饰器
+ * @param clz
+ * @returns
+ */
+export function singtonPattern<T extends new (...args: any[]) => any>(clz: T) {
+  // 添加判断，确保装饰器只能用于类
+  if (typeof clz !== 'function') {
+    throw new Error('单例模式装饰器只能修饰在类上')
+  }
+
+  let instance: InstanceType<T>
+  const proxy = new Proxy(clz, {
+    construct(target, args, newTarget) {
+      if (!instance) {
+        instance = Reflect.construct(target, args, newTarget)
+      }
+      return instance
+    }
+  })
+
+  proxy.prototype.constructor = proxy
+
+  return proxy
+}