useFs

Sandboxed file read/write, scoped by the fs config in registerNextOP.

All hooks are imported from the package root. Every hook is safe to call during SSR / on the web — it no-ops or returns null when window.desktop is unavailable.

const { readFile, writeFile } = useFs()

Member	Type	Notes
`readFile`	`(filePath: string) => Promise<string \| null>`	UTF-8. Returns `null` if desktop API absent.
`writeFile`	`(filePath: string, content: string) => Promise<boolean \| null>`	UTF-8. Resolves `true` on success.

import { useFs } from 'nextop-app'

const { readFile, writeFile } = useFs()

await writeFile('notes.txt', 'hello from NextOP')
const contents = await readFile('notes.txt')

Path resolution & traversal protection are governed by fs.mode / fs.allowedRoots (see the Security Model). Relative paths resolve against the first allowedRoot.