diff --git a/package.json b/package.json
index 453c49c..7868524 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "zeed",
   "type": "module",
-  "version": "0.16.3",
+  "version": "0.16.4",
   "description": "🌱 Simple foundation library",
   "author": {
     "name": "Dirk Holtwick",
diff --git a/src/common/bin/lib0/decoding.ts b/src/common/bin/lib0/decoding.ts
index 9d86a7e..fe9183f 100644
--- a/src/common/bin/lib0/decoding.ts
+++ b/src/common/bin/lib0/decoding.ts
@@ -208,7 +208,7 @@ export function readVarInt(decoder: Decoder): number {
   let r = decoder.arr[decoder.pos++]
   let num = r & BITS6
   let mult = 64
-  const sign = (r & BIT7) > 0 ? -1 : 1
+  const sign = (r & BIT7) > 0 ? -1 : 1 // use Math.sign(?) for performance?
   if ((r & BIT8) === 0) {
     // don't continue reading
     return sign * num
diff --git a/src/common/data/orderby.ts b/src/common/data/orderby.ts
index efff80e..499aaab 100644
--- a/src/common/data/orderby.ts
+++ b/src/common/data/orderby.ts
@@ -24,7 +24,7 @@ export function composeOrderby(field: string, asc = true): string {
 export function cmp(a: any, b: any, asc = true): -1 | 0 | 1 {
   const aa = a || 0
   const bb = b || 0
-  return aa > bb ? (asc ? 1 : -1) : aa < bb ? (asc ? -1 : 1) : 0
+  return aa > bb ? (asc ? 1 : -1) : aa < bb ? (asc ? -1 : 1) : 0 // use Math.sign(?) for performance?
 }
 
 // todo: support localeCompare()
diff --git a/src/common/data/sortable.ts b/src/common/data/sortable.ts
index af8742d..bf226f8 100644
--- a/src/common/data/sortable.ts
+++ b/src/common/data/sortable.ts
@@ -44,7 +44,7 @@ export function moveSortWeight(
   // Make sure they are sorted
   items = sortedItems([...items])
 
-  const step = moveLower ? -1 : 0
+  const step = moveLower ? -1 : 0 // use Math.sign(?) for performance?
   const lower = items[newIndex + step].sort_weight || 0
   const upper = items[newIndex + step + 1].sort_weight || 0
   const distance = upper - lower
diff --git a/src/common/data/sorted.ts b/src/common/data/sorted.ts
index fb7bdcc..4a68d48 100644
--- a/src/common/data/sorted.ts
+++ b/src/common/data/sorted.ts
@@ -65,7 +65,7 @@ export function useSorted<S extends Record<string, any>>(
     // Make sure they are sorted
     sortableItems = items([...sortableItems])
 
-    const step = moveLower ? -1 : 0
+    const step = moveLower ? -1 : 0 // use Math.sign(?) for performance?
     const lower = getter(sortableItems[newIndex + step]) || 0
     const upper = getter(sortableItems[newIndex + step + 1]) || 0
     const distance = upper - lower
diff --git a/src/common/platform.ts b/src/common/platform.ts
index b556064..d973e9f 100644
--- a/src/common/platform.ts
+++ b/src/common/platform.ts
@@ -53,9 +53,7 @@ export function detect(
   info.windows = !!_navigator?.platform?.startsWith('Win')
 
   info.beaker = _window?.beaker != null // https://github.com/beakerbrowser/beaker
-  info.electron
-    = (_navigator?.userAgent?.toLowerCase()?.indexOf(' electron/') || -1) > -1
-    && !info.beaker
+  info.electron = (_navigator?.userAgent?.toLowerCase()?.indexOf(' electron/') || -1) > -1 && !info.beaker
   info.wkwebview = _window?.webkit?.messageHandlers != null // Apple embedded
 
   info.pwa = _navigator?.serviceWorker != null
diff --git a/src/node/fs.ts b/src/node/fs.ts
index ede436b..7d0edd5 100644
--- a/src/node/fs.ts
+++ b/src/node/fs.ts
@@ -1,7 +1,9 @@
 import { mkdir, readFile, rm, stat, writeFile } from 'node:fs/promises'
-import { join as joinPath, normalize } from 'node:path'
+import { dirname, join as joinPath, normalize } from 'node:path'
 import process from 'node:process'
+import { isUint8Array } from '../common'
 
+/** Try to use `~` for HOME folder if possible */
 export function toHumanReadableFilePath(path: string) {
   const p = normalize(path)
   const h = process.env.HOME
@@ -25,11 +27,19 @@ export function isHiddenPath(path: string): boolean {
   return path.startsWith('.') || path.includes('/.')
 }
 
+/** Create missing folders e.g. `/a/b/c` will create folders `/a/b/c` */
 export async function ensureFolder(...parts: string[]): Promise<string> {
   const path = joinPath(...parts)
   if (!(await exists(path)))
     await mkdir(path, { recursive: true })
+  return path
+}
 
+/** Create missing folder to file location e.g. `/a/b/c/s.txt` will create folders `/a/b/c` */
+export async function ensureFolderForFile(...parts: string[]): Promise<string> {
+  const path = dirname(joinPath(...parts))
+  if (!(await exists(path)))
+    await mkdir(path, { recursive: true })
   return path
 }
 
@@ -41,16 +51,23 @@ export async function removeFolder(...parts: string[]): Promise<string> {
   return path
 }
 
-export async function readText(
-  ...parts: string[]
-): Promise<string | undefined> {
+export async function readText(...parts: string[]): Promise<string | undefined> {
   const path = joinPath(...parts)
   if (await exists(path))
     return await readFile(path, 'utf-8')
 }
 
-export async function writeText(path: string, content: string): Promise<void> {
+export async function writeText(path: string, content: string, createFolders = false): Promise<void> {
+  if (createFolders)
+    await ensureFolderForFile(path)
   await writeFile(path, content, 'utf-8')
 }
 
+export async function writeData(path: string, content: object | Uint8Array, createFolders = false): Promise<void> {
+  if (createFolders)
+    await ensureFolderForFile(path)
+  const data = isUint8Array(content) ? content : JSON.stringify(content)
+  await writeFile(path, data)
+}
+
 // todo: writeBinary, readBinary