import { configureSingle, CopyOnWrite, fs, InMemory, resolveMountConfig } from '@zenfs/core'; import { copySync, data } from '../setup.js'; fs.umount('/'); const readable = await resolveMountConfig({ backend: InMemory, label: 'ro' }); fs.mount('/', readable); copySync(data); await configureSingle({ backend: CopyOnWrite, readable, writable: InMemory.create({ label: 'cow' }), });