A year ago, u/vsavchenko announced https://www.reddit.com/r/emacs/comments/wemj1z/writing_emacs_dynamic_modules_in_swift. I had been meaning to try it out for some time. Finally had the chance and it’s really neat!

For example, most of the sharing logic from the experiment in the screen grab is below:

try env.defun(
  "macos-module--share",
  with: """
    Share files in ARG1.

    ARG1 must be a vector (not a list) of file paths.
    """
) { (env: Environment, files: [String]) in
  let urls = files.map { URL(fileURLWithPath: $0) }

  let picker = NSSharingServicePicker(items: urls)
  guard let view = NSApp.mainWindow?.contentView else {
    return
  }

  let x = try env.funcall("macos--emacs-point-x") as Int
  let y = try env.funcall("macos--emacs-point-y") as Int

  let rect = NSRect(
    x: x + 15, y: Int(view.bounds.height) - y + 15, width: 1, height: 1
  )
  picker.show(relativeTo: rect, of: view, preferredEdge: .maxY)

  return
}

This is really nice, I totally missed that you can use swift code in a module. Thanks for sharing.

Xenodium’s Github repo for the dynamic module needs more stars and links so more people find it

I’ll be collecting dynamic modules while deciding how to make a template for elisp repo kit (Rust).

Love it!

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