Install and use this widget here: https://www.figma.com/community/widget/1036053753307076841
Import this widget's manifest via the "Import widget from manifest" command in FigJam.
Run the following commands in your shell:
# install dependencies (you only need to do this once)
npm ci
# build code.tsx -> code.js
npx tsc --watch
Learn more about widgets here: https://www.figma.com/widget-docs