diff --git a/apps/files_sharing/src/components/SharingEntryLink.vue b/apps/files_sharing/src/components/SharingEntryLink.vue
index cf2e2e588d324..df4c8e55fac14 100644
--- a/apps/files_sharing/src/components/SharingEntryLink.vue
+++ b/apps/files_sharing/src/components/SharingEntryLink.vue
@@ -156,8 +156,8 @@
 					:share="share" />
 
 				<!-- external legacy sharing via url (social...) -->
-				<NcActionLink v-for="({ icon, url, name }, index) in externalLegacyLinkActions"
-					:key="index"
+				<NcActionLink v-for="({ icon, url, name }, actionIndex) in externalLegacyLinkActions"
+					:key="actionIndex"
 					:href="url(shareLink)"
 					:icon="icon"
 					target="_blank">
@@ -213,11 +213,12 @@
 
 <script>
 import { emit } from '@nextcloud/event-bus'
-import { generateUrl } from '@nextcloud/router'
+import { generateUrl, getBaseUrl } from '@nextcloud/router'
 import { showError, showSuccess } from '@nextcloud/dialogs'
-import { Type as ShareTypes } from '@nextcloud/sharing'
-import Vue from 'vue'
+import { ShareType } from '@nextcloud/sharing'
 import VueQrcode from '@chenfengyuan/vue-qrcode'
+import moment from '@nextcloud/moment'
+import Vue from 'vue'
 
 import NcActionButton from '@nextcloud/vue/dist/Components/NcActionButton.js'
 import NcActionInput from '@nextcloud/vue/dist/Components/NcActionInput.js'
@@ -510,7 +511,7 @@ export default {
 		 * @return {string}
 		 */
 		shareLink() {
-			return window.location.protocol + '//' + window.location.host + generateUrl('/s/') + this.share.token
+			return generateUrl('/s/{toen}', { token: this.share.token }, { baseURL: getBaseUrl() })
 		},
 
 		/**
@@ -553,7 +554,7 @@ export default {
 		 * @return {Array}
 		 */
 		externalLinkActions() {
-			const filterValidAction = (action) => (action.shareType.includes(ShareTypes.SHARE_TYPE_LINK) || action.shareType.includes(ShareTypes.SHARE_TYPE_EMAIL)) && !action.advanced
+			const filterValidAction = (action) => (action.shareType.includes(ShareType.Link) || action.shareType.includes(ShareType.Email)) && !action.advanced
 			// filter only the registered actions for said link
 			return this.ExternalShareActions.actions
 				.filter(filterValidAction)
@@ -585,7 +586,7 @@ export default {
 			}
 
 			const shareDefaults = {
-				share_type: ShareTypes.SHARE_TYPE_LINK,
+				share_type: ShareType.Link,
 			}
 			if (this.config.isDefaultExpireDateEnforced) {
 				// default is empty string if not set
@@ -671,7 +672,7 @@ export default {
 				const path = (this.fileInfo.path + '/' + this.fileInfo.name).replace('//', '/')
 				const options = {
 					path,
-					shareType: ShareTypes.SHARE_TYPE_LINK,
+					shareType: ShareType.Link,
 					password: share.password,
 					expireDate: share.expireDate,
 					attributes: JSON.stringify(this.fileInfo.shareAttributes),
diff --git a/apps/settings/src/admin.js b/apps/settings/src/admin.js
index d788e7424b46a..88b32f941a5be 100644
--- a/apps/settings/src/admin.js
+++ b/apps/settings/src/admin.js
@@ -2,6 +2,9 @@
  * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
+
+import $ from 'jquery'
+
 window.addEventListener('DOMContentLoaded', () => {
 	$('#loglevel').change(function() {
 		$.post(OC.generateUrl('/settings/admin/log/level'), { level: $(this).val() }, () => {
diff --git a/apps/settings/src/components/Users/UserRow.vue b/apps/settings/src/components/Users/UserRow.vue
index 1644fc89a55de..af0879573c964 100644
--- a/apps/settings/src/components/Users/UserRow.vue
+++ b/apps/settings/src/components/Users/UserRow.vue
@@ -621,8 +621,6 @@ export default {
 
 		/**
 		 * Set user displayName
-		 *
-		 * @param {string} displayName The display name
 		 */
 		async updateDisplayName() {
 			this.loading.displayName = true
@@ -643,8 +641,6 @@ export default {
 
 		/**
 		 * Set user password
-		 *
-		 * @param {string} password The email address
 		 */
 		async updatePassword() {
 			this.loading.password = true
@@ -668,8 +664,6 @@ export default {
 
 		/**
 		 * Set user mailAddress
-		 *
-		 * @param {string} mailAddress The email address
 		 */
 		async updateEmail() {
 			this.loading.mailAddress = true
diff --git a/core/src/OC/l10n.js b/core/src/OC/l10n.js
index 83fea41a16a4c..02f912d6a99e7 100644
--- a/core/src/OC/l10n.js
+++ b/core/src/OC/l10n.js
@@ -40,7 +40,7 @@ const L10n = {
 	 * @deprecated 26.0.0 use `register` from https://www.npmjs.com/package/@nextcloud/l10
 	 *
 	 * @param {string} appName name of the app
-	 * @param {Object<string, string>} bundle bundle
+	 * @param {Record<string, string>} bundle bundle
 	 */
 	register,
 
diff --git a/core/src/OC/notification.js b/core/src/OC/notification.js
index 7f95f8335f4df..b658f4163bb3a 100644
--- a/core/src/OC/notification.js
+++ b/core/src/OC/notification.js
@@ -120,7 +120,7 @@ export default {
 	 * Updates (replaces) a sanitized notification.
 	 *
 	 * @param {string} text Message to display
-	 * @return {jQuery} JQuery element for notificaiton row
+	 * @return {jQuery} JQuery element for notification row
 	 * @deprecated 17.0.0 use the `@nextcloud/dialogs` package
 	 */
 	showUpdate(text) {
@@ -141,7 +141,7 @@ export default {
 	 * @param {number} [options.timeout] timeout in seconds, if this is 0 it will show the message permanently
 	 * @param {boolean} [options.isHTML] an indicator for HTML notifications (true) or text (false)
 	 * @param {string} [options.type] notification type
-	 * @return {JQuery} the toast element
+	 * @return {jQuery} the toast element
 	 * @deprecated 17.0.0 use the `@nextcloud/dialogs` package
 	 */
 	showTemporary(text, options) {
diff --git a/core/src/OC/query-string.js b/core/src/OC/query-string.js
index 57aef7a68500f..df0f366133a20 100644
--- a/core/src/OC/query-string.js
+++ b/core/src/OC/query-string.js
@@ -9,7 +9,7 @@ import $ from 'jquery'
  * Parses a URL query string into a JS map
  *
  * @param {string} queryString query string in the format param1=1234&param2=abcde&param3=xyz
- * @return {Object<string, string>} map containing key/values matching the URL parameters
+ * @return {Record<string, string>} map containing key/values matching the URL parameters
  */
 export const parse = queryString => {
 	let pos
@@ -58,7 +58,7 @@ export const parse = queryString => {
 /**
  * Builds a URL query from a JS map.
  *
- * @param {Object<string, string>} params map containing key/values matching the URL parameters
+ * @param {Record<string, string>} params map containing key/values matching the URL parameters
  * @return {string} String containing a URL query (without question) mark
  */
 export const build = params => {
diff --git a/core/src/OC/xhr-error.js b/core/src/OC/xhr-error.js
index 66ad638e10a25..233aaf60350c4 100644
--- a/core/src/OC/xhr-error.js
+++ b/core/src/OC/xhr-error.js
@@ -8,16 +8,18 @@ import $ from 'jquery'
 
 import OC from './index.js'
 import Notification from './notification.js'
+import { getCurrentUser } from '@nextcloud/auth'
+import { showWarning } from '@nextcloud/dialogs'
 
 /**
  * Warn users that the connection to the server was lost temporarily
  *
- * This function is throttled to prevent stacked notfications.
+ * This function is throttled to prevent stacked notifications.
  * After 7sec the first notification is gone, then we can show another one
  * if necessary.
  */
 export const ajaxConnectionLostHandler = _.throttle(() => {
-	Notification.showTemporary(t('core', 'Connection to server lost'))
+	showWarning(t('core', 'Connection to server lost'))
 }, 7 * 1000, { trailing: false })
 
 /**
@@ -28,13 +30,13 @@ export const ajaxConnectionLostHandler = _.throttle(() => {
  */
 export const processAjaxError = xhr => {
 	// purposefully aborted request ?
-	// OC._userIsNavigatingAway needed to distinguish ajax calls cancelled by navigating away
-	// from calls cancelled by failed cross-domain ajax due to SSO redirect
+	// OC._userIsNavigatingAway needed to distinguish Ajax calls cancelled by navigating away
+	// from calls cancelled by failed cross-domain Ajax due to SSO redirect
 	if (xhr.status === 0 && (xhr.statusText === 'abort' || xhr.statusText === 'timeout' || OC._reloadCalled)) {
 		return
 	}
 
-	if (_.contains([302, 303, 307, 401], xhr.status) && OC.currentUser) {
+	if ([302, 303, 307, 401].includes(xhr.status) && getCurrentUser()) {
 		// sometimes "beforeunload" happens later, so need to defer the reload a bit
 		setTimeout(function() {
 			if (!OC._userIsNavigatingAway && !OC._reloadCalled) {
diff --git a/core/src/OCP/collaboration.js b/core/src/OCP/collaboration.js
index a0c36d0762b9b..82ff34392cfc9 100644
--- a/core/src/OCP/collaboration.js
+++ b/core/src/OCP/collaboration.js
@@ -7,7 +7,7 @@ import escapeHTML from 'escape-html'
 
 /**
  * @typedef TypeDefinition
- * @function {Function} action This action is executed to let the user select a resource
+ * @function action This action is executed to let the user select a resource
  * @param {string} icon Contains the icon css class for the type
  * @function Object() { [native code] }
  */
diff --git a/core/src/OCP/toast.js b/core/src/OCP/toast.js
index ae074aabda27d..f93344bbc8efe 100644
--- a/core/src/OCP/toast.js
+++ b/core/src/OCP/toast.js
@@ -10,6 +10,8 @@ import {
 	showWarning,
 } from '@nextcloud/dialogs'
 
+/** @typedef {import('toastify-js')} Toast */
+
 export default {
 	/**
 	 * @deprecated 19.0.0 use `showSuccess` from the `@nextcloud/dialogs` package instead
diff --git a/core/src/jquery/contactsmenu.js b/core/src/jquery/contactsmenu.js
index 8c59c02133be9..fba014c364e49 100644
--- a/core/src/jquery/contactsmenu.js
+++ b/core/src/jquery/contactsmenu.js
@@ -5,7 +5,7 @@
 
 import $ from 'jquery'
 
-import OC from '../OC/index.js'
+import { generateUrl } from '@nextcloud/router'
 import { isA11yActivation } from '../Util/a11y.js'
 
 const LIST = ''
@@ -51,7 +51,7 @@ $.fn.contactsMenu = function(shareWith, shareType, appendTo) {
 		}
 
 		$list.addClass('loaded')
-		$.ajax(OC.generateUrl('/contactsmenu/findOne'), {
+		$.ajax(generateUrl('/contactsmenu/findOne'), {
 			method: 'POST',
 			data: {
 				shareType,
diff --git a/core/src/jquery/showpassword.js b/core/src/jquery/showpassword.js
index 3c8f72dd3fd05..8d938d7853b2c 100644
--- a/core/src/jquery/showpassword.js
+++ b/core/src/jquery/showpassword.js
@@ -3,13 +3,14 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
+/** @typedef {import('jquery')} jQuery */
 import $ from 'jquery'
 
 /**
  * @name Show Password
  * @description
  * @version 1.3.0
- * @requires Jquery 1.5
+ * @requires jQuery 1.5
  *
  * @author Jan Jarfalk <jan.jarfalk@unwrongest.com>
  * author-website http://www.unwrongest.com