A mode for Nushell that uses tree-sitter. (treesit introduced in Emacs 29)

• https://www.nushell.sh/
• https://github.com/nushell/tree-sitter-nu
• https://tree-sitter.github.io/tree-sitter/

As of 2023-09-08 nushell-ts-babel moved to separate repository.

• Syntax highlighting
• Indentation
• Completion
  • Using completion-at-point-functions
  • Using known keywords
  • Simple variable completion using tree-sitter variable query
• Org babel integration
  • Highlighting
  • Execute source code blocks

1. Run treesit-install-language-grammar
2. Select "nu"
3. Use URL https://github.com/nushell/tree-sitter-nu
4. Pick "src"

You will need to clone the repo and load it manually or use whatever package manager you use.

(straight-use-package
 '(nushell-ts-mode :type git :host github :repo "herbertjones/nushell-ts-mode"))

For instance, on my system I have:

(use-package nushell-ts-mode
  :straight (nushell-ts-mode :type git :host github :repo "herbertjones/nushell-ts-mode")
  :config
  (require 'nushell-ts-babel)
  (defun hfj/nushell/mode-hook ()
    (corfu-mode 1)
    (highlight-parentheses-mode 1)
    (electric-pair-local-mode 1)
    (electric-indent-local-mode 1))
  (add-hook 'nushell-ts-mode-hook 'hfj/nushell/mode-hook))