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code/email/Email-Vue/src/hooks/useOnceMounted.ts

@@ -0,0 +1,13 @@
+// composables/useOnceMounted.ts
+import { onMounted, getCurrentInstance } from "vue";
+
+export function useOnceMounted(callback: () => void) {
+  const instance = getCurrentInstance();
+
+  const key = `__mounted_once_${instance?.type.__file || Math.random()}`;
+
+  if (!(window as any)[key]) {
+    (window as any)[key] = true;
+    onMounted(callback);
+  }
+}