Generate d2 diagrams using org-mode and org-babel.

1. install d2
2. Until the package is in melpa, you can use straight or similar:

(use-package ob-d2
  :straight (:type git :host github :repo "dmacvicar/ob-d2")
  :defer t)

1. Add d2 to org-babel-load-languages or specify :commands (org-babel-execute:d2) when loading it.

   (org-babel-do-load-languages
       'org-babel-load-languages
       '((d2 . t)
         (scheme . t)
         (your-other-langs . t)))
       

2. Open org-mode buffer and create an org-babel source block:

   #+begin_src d2 :file test.png
    A-->B: Works!
   #+end_src
       

   A-->B: Works!
       

3. Exporting the org-mode document or invoking the org-babel-execute-src-block function to generate diagram.

file - Output file. It should be either svg or png.

theme - Theme of the chart (number). See available themes.

layout - Layout engine (default is “dagre”)