hed-web

Browser-based HED (Hierarchical Event Descriptor) validation tools.

This app consumes the hed-validator npm package and provides two validation tools:

• Validate dataset — upload a BIDS dataset folder and check it for HED errors
• Validate file — validate a BIDS-style TSV file against its JSON sidecar

Live site: https://hed-standard.github.io/hed-web/

API docs: https://hed-standard.github.io/hed-javascript/

Development

npm install
npm run dev

Open the URLs printed by Vite (typically http://localhost:5173/).

Build

npm run build
npm run preview   # serves the production build under /hed-web/

Output goes to buildweb/.

Tests

npm test

Runs Vitest over src/**/*.spec.{js,jsx}.

License

MIT — see LICENSE.