chore(files): migrate davUtils to TS

Signed-off-by: Grigorii K. Shartsev <me@shgk.me>

apps/files/src/components/TemplatePreview.vue

@@ -33,7 +33,7 @@
 <script>
 import { encodePath } from '@nextcloud/paths'
 import { generateUrl } from '@nextcloud/router'
-import { getToken, isPublic } from '../utils/davUtils.js'
+import { getToken, isPublic } from '../utils/davUtils.ts'
 
 // preview width generation
 const previewWidth = 256

apps/files/src/utils/davUtils.js

@@ -1,14 +0,0 @@
-/**
- * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
- * SPDX-License-Identifier: AGPL-3.0-or-later
- */
-
-import { getCurrentUser } from '@nextcloud/auth'
-
-export const isPublic = function() {
-	return !getCurrentUser()
-}
-
-export const getToken = function() {
-	return document.getElementById('sharingToken') && document.getElementById('sharingToken').value
-}

apps/files/src/utils/davUtils.ts

@@ -0,0 +1,23 @@
+/**
+ * SPDX-FileCopyrightText: 2019 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import { getCurrentUser } from '@nextcloud/auth'
+
+/**
+ * Check whether this is a public share
+ * @return {boolean} Whether this is a public share
+ */
+export function isPublic() {
+	return !getCurrentUser()
+}
+
+/**
+ * Get the sharing token
+ * @return {string|null} The sharing token
+ */
+export function getToken() {
+	const tokenElement = document.getElementById('sharingToken') as (HTMLInputElement | null)
+	return tokenElement?.value
+}