Generate mermaid diagrams using org mode

Install package by adding line below to your .doom.d/packages.el

(package! ob-mermaid)

Install mermaid.cli locally.

cd /to/your/org-roam-path
yarn add @mermaid-js/mermaid-cli

Specify mmdc executable path

(setq ob-mermaid-cli-path "/your-installating-path/node_modules/.bin/mmdc")

Open org-mode buffer and create a org-babel source block:

please note that you need to specify the :file header arguments, see this issue

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