fix: detect UC dialog open state during initialization

Author: iiroj

src/services/usercentrics-service.ts

@@ -1,7 +1,7 @@
 /** State management singleton for internal use. This should not be used directly in applications. */
 
 import { UCUICMPEvent, UCUICMPEventType } from '../types.js'
-import { hasUserInteracted, IS_BROWSER } from '../utils.js'
+import { hasUserInteracted, IS_BROWSER, isOpen } from '../utils.js'
 
 export type ServiceState = {
     hasInteracted: boolean
@@ -56,7 +56,7 @@ const initializeState = () => {
 
     if (!state.isInitialized && IS_BROWSER && 'UC_UI' in window) {
         shouldUpdate = true
-        state = { ...state, isInitialized: true }
+        state = { ...state, isInitialized: true, isOpen: isOpen() }
     }
 
     const hasInteracted = hasUserInteracted()

src/utils.ts

@@ -152,3 +152,16 @@ export const updateLanguage = (countryCode: string) => {
         ;(window as UCWindow).UC_UI?.updateLanguage?.(countryCode)
     }
 }
+
+/**
+ * Returns true if the Usercentrics dialog is currently open.
+ */
+export const isOpen = (): boolean => {
+    if (IS_BROWSER) {
+        const usercentricsRoot = document.getElementById('usercentrics-root')
+        const dialog = usercentricsRoot?.shadowRoot?.querySelector('[role="dialog"]')
+        return !!dialog
+    }
+
+    return false
+}