[WIP] WebContainer Shell

Your viewing the v2 branch, a complete rewrite more future-proof

WebContainer-inspired shell, in the browser

This is a proof-of-concept and work in progress - code is messy and serve demonstration purpose only

Checkout the demo at https://bash-js.vercel.app

This projects aims to contribute to the discussion about WebContainer specification.

This is a bash-like shell but that runs in the browser. It comes with a lightweight kernel implementation (supports process and filesystem management):

• Every process runs in its own dedicated worker
• Extensible filesystem
• Performant (heavily rely on postMessage and Transferable objects - reduce minimize the amount of copy)
• Supports commands pipes (eg. echo Hello world! | tee README)

Interesting files:

• public/index.js: Example of how to use the proposed Webcontainer API
• src/kernelspace/fs/: Supported filesystems implementation
• src/command/: Commands implementations

TODO

• Serve filesystem via Service Worker
• Let the app works offline with a Service Worker
• Move shell features into a dedicated a process (enable nested shells)
• Add signals support (for SIGINT and SIGKILL)
• Add jobs support (enables detached commands)
• Add network support (TCP, UNIX socket, UDP)
• Add multi-tabs support (one container per tab)
• Add a WASI runtime (a wasi [wasm-file] command for instance)
  • Add integration with WAPM
• Add ps and kill commands
• Add docs about APIs and kernel design
• Add a deno command (shim the Rust part with a wrapper around this lib's API)
• iframe-based process ? (enable electron-like apps)