fix: make current guest and user global

Signed-off-by: John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>

Author: skjnldsv

lib/guest.ts

@@ -8,7 +8,7 @@ import { emit } from '@nextcloud/event-bus'
 
 const browserStorage = getBuilder('public').persist().build()
 
-class GuestUser implements NextcloudUser {
+export class GuestUser implements NextcloudUser {
 
 	private _displayName: string | null
 	readonly uid: string
@@ -37,17 +37,15 @@ class GuestUser implements NextcloudUser {
 
 }
 
-let currentUser: NextcloudUser | undefined
-
 /**
  * Get the currently Guest user or null if not logged in
  */
 export function getGuestUser(): NextcloudUser {
-	if (!currentUser) {
-		currentUser = new GuestUser()
+	if (!window._nc_currentGuestUser) {
+		window._nc_currentGuestUser = new GuestUser()
 	}
 
-	return currentUser
+	return window._nc_currentGuestUser
 }
 
 /**

lib/user.ts

@@ -2,20 +2,12 @@
  * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: GPL-3.0-or-later
  */
-declare global {
-	interface Window {
-		_oc_isadmin?: boolean
-	}
-}
-
 export interface NextcloudUser {
 	uid: string,
 	displayName: string | null,
 	isAdmin: boolean,
 }
 
-let currentUser: NextcloudUser | null | undefined
-
 const getAttribute = (el: HTMLHeadElement | undefined, attribute: string): string | null => {
 	if (el) {
 		return el.getAttribute(attribute)
@@ -28,8 +20,8 @@ const getAttribute = (el: HTMLHeadElement | undefined, attribute: string): strin
  * Get the currently logged in Nextcloud user or null if not logged in
  */
 export function getCurrentUser(): NextcloudUser | null {
-	if (currentUser !== undefined) {
-		return currentUser
+	if (window._nc_currentUser !== undefined) {
+		return window._nc_currentUser
 	}
 
 	const head = document?.getElementsByTagName('head')[0]
@@ -40,15 +32,15 @@ export function getCurrentUser(): NextcloudUser | null {
 	// No user logged in so cache and return null
 	const uid = getAttribute(head, 'data-user')
 	if (uid === null) {
-		currentUser = null
-		return currentUser
+		window._nc_currentUser = null
+		return window._nc_currentUser
 	}
 
-	currentUser = {
+	window._nc_currentUser = {
 		uid,
 		displayName: getAttribute(head, 'data-user-displayname'),
 		isAdmin: !!window._oc_isadmin,
 	} as NextcloudUser
 
-	return currentUser
+	return window._nc_currentUser
 }

lib/window.d.ts

@@ -0,0 +1,14 @@
+/**
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+import type { GuestUser } from './guest'
+import type { NextcloudUser } from './user';
+
+declare global {
+	interface Window {
+		_nc_currentGuestUser: GuestUser | undefined;
+		_nc_currentUser: NextcloudUser | undefined | null;
+		_oc_isadmin?: boolean
+	}
+}