diff --git a/__tests__/dav/davPermissions.spec.ts b/__tests__/dav/davPermissions.spec.ts
index dcae25d65..a48be6e5e 100644
--- a/__tests__/dav/davPermissions.spec.ts
+++ b/__tests__/dav/davPermissions.spec.ts
@@ -11,19 +11,19 @@ const dataSet = [
 	{ input: undefined, permissions: Permission.NONE },
 	{ input: null, permissions: Permission.NONE },
 	{ input: '-', permissions: Permission.NONE },
-	{ input: 'C', permissions: Permission.CREATE },
-	{ input: 'K', permissions: Permission.CREATE },
+	{ input: 'CK', permissions: Permission.CREATE },
 	{ input: 'G', permissions: Permission.READ },
-	{ input: 'W', permissions: Permission.UPDATE },
-	{ input: 'N', permissions: Permission.UPDATE },
-	{ input: 'V', permissions: Permission.UPDATE },
+	{ input: 'W', permissions: Permission.WRITE },
+	{ input: 'NV', permissions: Permission.UPDATE },
 	{ input: 'D', permissions: Permission.DELETE },
 	{ input: 'R', permissions: Permission.SHARE },
-	{ input: 'CKGW', permissions: Permission.CREATE | Permission.READ | Permission.UPDATE },
+	{ input: 'GCK', permissions: Permission.READ | Permission.CREATE },
+	{ input: 'GNV', permissions: Permission.READ | Permission.UPDATE },
+	{ input: 'GNVCK', permissions: Permission.READ | Permission.CREATE | Permission.UPDATE },
 	{ input: 'GR', permissions: Permission.READ | Permission.SHARE },
 	{ input: 'GD', permissions: Permission.READ | Permission.DELETE },
-	{ input: 'RGDNVW', permissions: Permission.UPDATE | Permission.READ | Permission.DELETE | Permission.SHARE },
-	{ input: 'RGDNVCK', permissions: Permission.UPDATE | Permission.READ | Permission.DELETE | Permission.CREATE | Permission.SHARE },
+	{ input: 'RGDNVW', permissions: Permission.READ | Permission.UPDATE | Permission.WRITE | Permission.DELETE | Permission.SHARE },
+	{ input: 'RGDNVCK', permissions: Permission.READ | Permission.UPDATE | Permission.CREATE | Permission.DELETE | Permission.SHARE },
 ]
 
 describe('davParsePermissions', () => {
diff --git a/lib/actions/fileAction.ts b/lib/actions/fileAction.ts
index 5e85169e6..b2704f1bf 100644
--- a/lib/actions/fileAction.ts
+++ b/lib/actions/fileAction.ts
@@ -6,10 +6,12 @@ import type { ActionContext, ActionContextSingle } from '../types.ts'
 
 import logger from '../utils/logger.ts'
 
-export enum DefaultType {
-	DEFAULT = 'default',
-	HIDDEN = 'hidden',
-}
+export const DefaultType = Object.freeze({
+	DEFAULT: 'default',
+	HIDDEN: 'hidden',
+})
+
+export type TDefaultType = typeof DefaultType[keyof typeof DefaultType]
 
 export interface IHotkeyConfig {
 	/**
@@ -91,14 +93,17 @@ export interface FileActionData {
 
 	/**
 	 * Make this action the default.
-	 * If multiple actions are default, the first one
-	 * will be used. The other ones will be put as first
-	 * entries in the actions menu iff DefaultType.Hidden is not used.
-	 * A DefaultType.Hidden action will never be shown
+	 *
+	 * If multiple actions are default, the first one will be used.
+	 * The other ones will be put as first entries in the actions menu iff `DefaultType.Hidden` is not used.
+	 *
+	 * A `DefaultType.Hidden` action will never be shown
 	 * in the actions menu even if another action takes
 	 * its place as default.
+	 *
+	 * @see DefaultType
 	 */
-	default?: DefaultType,
+	default?: TDefaultType,
 	/**
 	 * If true, the renderInline function will be called
 	 */
diff --git a/lib/dav/davPermissions.ts b/lib/dav/davPermissions.ts
index 01f0b350e..a8ee95bb4 100644
--- a/lib/dav/davPermissions.ts
+++ b/lib/dav/davPermissions.ts
@@ -1,28 +1,39 @@
-/**
+/*!
  * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
+
 import { Permission } from '../permissions'
 
 /**
  * Parse the WebDAV permission string to a permission enum
  *
- * @param permString The DAV permission string
+ * @param permString - The DAV permission string
  */
-export const parsePermissions = function(permString = ''): number {
+export function parsePermissions(permString = ''): number {
 	let permissions = Permission.NONE
-
-	if (!permString) { return permissions }
-
-	if (permString.includes('C') || permString.includes('K')) { permissions |= Permission.CREATE }
-
-	if (permString.includes('G')) { permissions |= Permission.READ }
-
-	if (permString.includes('W') || permString.includes('N') || permString.includes('V')) { permissions |= Permission.UPDATE }
-
-	if (permString.includes('D')) { permissions |= Permission.DELETE }
-
-	if (permString.includes('R')) { permissions |= Permission.SHARE }
+	if (!permString) {
+		return permissions
+	}
+
+	if (permString.includes('G')) {
+		permissions |= Permission.READ
+	}
+	if (permString.includes('W')) {
+		permissions |= Permission.WRITE
+	}
+	if (permString.includes('CK')) {
+		permissions |= Permission.CREATE
+	}
+	if (permString.includes('NV')) {
+		permissions |= Permission.UPDATE
+	}
+	if (permString.includes('D')) {
+		permissions |= Permission.DELETE
+	}
+	if (permString.includes('R')) {
+		permissions |= Permission.SHARE
+	}
 
 	return permissions
 }
diff --git a/lib/newMenu/NewMenu.ts b/lib/newMenu/NewMenu.ts
index 0495075cc..f3de6d5e2 100644
--- a/lib/newMenu/NewMenu.ts
+++ b/lib/newMenu/NewMenu.ts
@@ -7,22 +7,24 @@ import type { IFolder, INode } from '../node/index.ts'
 
 import logger from '../utils/logger.ts'
 
-export enum NewMenuEntryCategory {
+export const NewMenuEntryCategory = Object.freeze({
 	/**
 	 * For actions where the user is intended to upload from their device
 	 */
-	UploadFromDevice = 0,
+	UploadFromDevice: 0,
 
 	/**
 	 * For actions that create new nodes on the server without uploading
 	 */
-	CreateNew = 1,
+	CreateNew: 1,
 
 	/**
 	 * For everything not matching the other categories
 	 */
-	Other = 2,
-}
+	Other: 2,
+})
+
+export type TNewMenuEntryCategory = typeof NewMenuEntryCategory[keyof typeof NewMenuEntryCategory]
 
 export interface NewMenuEntry {
 	/** Unique ID */
@@ -31,10 +33,12 @@ export interface NewMenuEntry {
 	/**
 	 * Category to put this entry in
 	 * (supported since Nextcloud 30)
-	 * @since 3.3.0
+	 *
 	 * @default NewMenuEntryCategory.CreateNew
+	 * @see NewMenuEntryCategory
+	 * @since 3.3.0
 	 */
-	category?: NewMenuEntryCategory
+	category?: TNewMenuEntryCategory
 
 	/** Translatable string displayed in the menu */
 	displayName: string
diff --git a/lib/node/file.ts b/lib/node/file.ts
index 640ef6760..bca295d05 100644
--- a/lib/node/file.ts
+++ b/lib/node/file.ts
@@ -2,6 +2,7 @@
  * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
+
 import type { NodeConstructorData } from './node'
 
 import { FileType } from './fileType'
@@ -13,7 +14,7 @@ export class File extends Node {
 		super(data, davService)
 	}
 
-	get type(): FileType.File {
+	get type(): typeof FileType.File {
 		return FileType.File
 	}
 
diff --git a/lib/node/fileType.ts b/lib/node/fileType.ts
index c33d99b61..e53580544 100644
--- a/lib/node/fileType.ts
+++ b/lib/node/fileType.ts
@@ -3,7 +3,9 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
-export enum FileType {
-	Folder = 'folder',
-	File = 'file',
-}
+export const FileType = Object.freeze({
+	Folder: 'folder',
+	File: 'file',
+})
+
+export type TFileType = typeof FileType[keyof typeof FileType]
diff --git a/lib/node/folder.ts b/lib/node/folder.ts
index 296327cd3..f04a765ac 100644
--- a/lib/node/folder.ts
+++ b/lib/node/folder.ts
@@ -2,6 +2,7 @@
  * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
+
 import type { NodeConstructorData } from './node'
 
 import { FileType } from './fileType'
@@ -17,7 +18,7 @@ export class Folder extends Node {
 		}, davService)
 	}
 
-	get type(): FileType.Folder {
+	get type(): typeof FileType.Folder {
 		return FileType.Folder
 	}
 
diff --git a/lib/node/node.ts b/lib/node/node.ts
index 8c4bb268d..dbc2cc65a 100644
--- a/lib/node/node.ts
+++ b/lib/node/node.ts
@@ -3,21 +3,24 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
+import type { TFileType } from './fileType.ts'
+
 import { basename, dirname, encodePath, extname } from '@nextcloud/paths'
 import { Permission } from '../permissions'
-import { FileType } from './fileType'
 import { Attribute, fixDates, fixRegExp, isDavResource, NodeData, validateData } from './nodeData'
 
-export enum NodeStatus {
+export const NodeStatus = Object.freeze({
 	/** This is a new node and it doesn't exists on the filesystem yet */
-	NEW = 'new',
+	NEW: 'new',
 	/** This node has failed and is unavailable  */
-	FAILED = 'failed',
+	FAILED: 'failed',
 	/** This node is currently loading or have an operation in progress */
-	LOADING = 'loading',
+	LOADING: 'loading',
 	/** This node is locked and cannot be modified */
-	LOCKED = 'locked',
-}
+	LOCKED: 'locked',
+})
+
+export type TNodeStatus = typeof NodeStatus[keyof typeof NodeStatus]
 
 export type NodeConstructorData = [NodeData, RegExp?]
 
@@ -147,7 +150,7 @@ export abstract class Node {
 	/**
 	 * Is it a file or a folder ?
 	 */
-	abstract get type(): FileType
+	abstract get type(): TFileType
 
 	/**
 	 * Get the file mime
@@ -217,7 +220,7 @@ export abstract class Node {
 	/**
 	 * Get the file permissions
 	 */
-	get permissions(): Permission {
+	get permissions(): number {
 		// If this is not a dav resource, we can only read it
 		if (this.owner === null && !this.isDavResource) {
 			return Permission.READ
@@ -232,7 +235,7 @@ export abstract class Node {
 	/**
 	 * Set the file permissions
 	 */
-	set permissions(permissions: Permission) {
+	set permissions(permissions: number) {
 		validateData({ ...this._data, permissions }, this._knownDavService)
 		this.updateMtime()
 		this._data.permissions = permissions
@@ -307,14 +310,14 @@ export abstract class Node {
 	/**
 	 * Get the node status.
 	 */
-	get status(): NodeStatus|undefined {
+	get status(): TNodeStatus|undefined {
 		return this._data?.status
 	}
 
 	/**
 	 * Set the node status.
 	 */
-	set status(status: NodeStatus|undefined) {
+	set status(status: TNodeStatus|undefined) {
 		validateData({ ...this._data, status }, this._knownDavService)
 		this._data.status = status
 	}
diff --git a/lib/node/nodeData.ts b/lib/node/nodeData.ts
index 757cef151..8b0792e67 100644
--- a/lib/node/nodeData.ts
+++ b/lib/node/nodeData.ts
@@ -6,7 +6,7 @@
 import { join } from '@nextcloud/paths'
 
 import { Permission } from '../permissions'
-import { NodeStatus } from './node'
+import { NodeStatus, TNodeStatus } from './node'
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 export interface Attribute { [key: string]: any }
@@ -41,8 +41,13 @@ export interface NodeData {
 	/** The node size type */
 	size?: number
 
-	/** The node permissions */
-	permissions?: Permission
+	/**
+	 * The node permissions.
+	 *
+	 * A binary mask of `Permission` values.
+	 * @see Permission
+	 */
+	permissions?: number
 
 	/** The owner  UID of this node */
 	owner: string|null
@@ -54,7 +59,7 @@ export interface NodeData {
 	attributes?: Attribute
 
 	/** The node status */
-	status?: NodeStatus
+	status?: TNodeStatus
 }
 
 /**
diff --git a/lib/permissions.ts b/lib/permissions.ts
index 0bf015db3..c95a66eba 100644
--- a/lib/permissions.ts
+++ b/lib/permissions.ts
@@ -6,12 +6,37 @@
 /**
  * Node permissions
  */
-export enum Permission {
-	NONE = 0,
-	CREATE = 4,
-	READ = 1,
-	UPDATE = 2,
-	DELETE = 8,
-	SHARE = 16,
-	ALL = 31,
-}
+export const Permission = Object.freeze({
+	/**
+	 * No permissions granted
+	 */
+	NONE: 0,
+	/**
+	 * Can read the file content
+	 */
+	READ: 1,
+	/**
+	 * Can modify the file itself (move, rename, etc)
+	 */
+	UPDATE: 2,
+	/**
+	 * Can create new files/folders inside a folder
+	 */
+	CREATE: 4,
+	/**
+	 * Can change the file content
+	 */
+	WRITE: 4,
+	/**
+	 * Can delete the node
+	 */
+	DELETE: 8,
+	/**
+	 * Can share the node
+	 */
+	SHARE: 16,
+	/**
+	 * All permissions are granted
+	 */
+	ALL: 31,
+})
diff --git a/lib/utils/fileSorting.ts b/lib/utils/fileSorting.ts
index 7f688788d..91bcb566d 100644
--- a/lib/utils/fileSorting.ts
+++ b/lib/utils/fileSorting.ts
@@ -9,18 +9,20 @@ import type { SortingOrder } from './sorting.ts'
 import { FileType } from '../node/fileType.ts'
 import { orderBy } from './sorting.ts'
 
-export enum FilesSortingMode {
-	Name = 'basename',
-	Modified = 'mtime',
-	Size = 'size',
-}
+export const FilesSortingMode = Object.freeze({
+	Name: 'basename',
+	Modified: 'mtime',
+	Size: 'size',
+})
+
+export type TFilesSortingMode = typeof FilesSortingMode[keyof typeof FilesSortingMode]
 
 export interface FilesSortingOptions {
 	/**
 	 * They key to order the files by
 	 * @default FilesSortingMode.Name
 	 */
-	sortingMode?: FilesSortingMode | string
+	sortingMode?: TFilesSortingMode | string
 
 	/**
 	 * @default 'asc'
diff --git a/lib/utils/filename-validation.ts b/lib/utils/filename-validation.ts
index 17b7a8121..b18554ab4 100644
--- a/lib/utils/filename-validation.ts
+++ b/lib/utils/filename-validation.ts
@@ -16,11 +16,13 @@ interface NextcloudCapabilities extends Record<string, unknown> {
 	}
 }
 
-export enum InvalidFilenameErrorReason {
-	ReservedName = 'reserved name',
-	Character = 'character',
-	Extension = 'extension',
-}
+export const InvalidFilenameErrorReason = Object.freeze({
+	ReservedName: 'reserved name',
+	Character: 'character',
+	Extension: 'extension',
+})
+
+export type TInvalidFilenameErrorReason = typeof InvalidFilenameErrorReason[keyof typeof InvalidFilenameErrorReason]
 
 interface InvalidFilenameErrorOptions {
 	/**
@@ -31,7 +33,7 @@ interface InvalidFilenameErrorOptions {
 	/**
 	 * Reason why the validation failed
 	 */
-	reason: InvalidFilenameErrorReason
+	reason: TInvalidFilenameErrorReason
 
 	/**
 	 * Part of the filename that caused this error
diff --git a/tsconfig.json b/tsconfig.json
index 812e2e265..9032b449d 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,6 +3,7 @@
   "compilerOptions": {
     "allowSyntheticDefaultImports": true,
     "allowImportingTsExtensions": true,
+    "erasableSyntaxOnly": true,
     "moduleResolution": "Bundler",
     "target": "ESNext",
     "module": "ESNext",