memfs

JavaScript file system utilities for Node.js and browser.

Install

npm i memfs

Docs

• In-memory Node.js fs API
• experimental fs to File System Access API adapter
• experimental File System Access API to fs adapter
• experimental crudfs a CRUD-like file system abstraction
• experimental casfs Content Addressable Storage file system abstraction
• Directory snapshot utility
• print directory tree to terminal

Demos

• Git in browser, which writes to a real folder
• Git in browser, which writes to OPFS file system
• Git on in-memory file system
• fs in browser, creates a .tar file in real folder
• fs in browser, synchronous API, writes to real folder
• crudfs and casfs in browser and Node.js interoperability

See also

• unionfs - creates a union of multiple filesystem volumes
• fs-monkey - monkey-patches Node's fs module and require function
• linkfs - redirects filesystem paths
• spyfs - spies on filesystem actions

License

Apache 2.0