# DFG 3D Viewer — JavaScript Library

Three.js-based 3D viewer. Ships as a minified bundle for `web/libraries/dfg-3dviewer/` or standalone HTML embeds.

**Drupal integration** is provided by the separate [`dfg_3dviewer`](https://gitlab.nasarek.dev/rnsrk/dfg_3dviewer_drupal_module) module.

## Build and package

```bash
npm install
npm run build:library
npm run pack:library
```

Output:

- `dist/library/` — `dfg_3dviewer.min.js` and `assets/` (CSS, draco, IFC WASM, fonts)
- `dfg-3dviewer-library.zip` — extract to `web/libraries/dfg-3dviewer/` on Drupal (gitignored)

## Local development

```bash
cp viewer/viewer-settings-example.json viewer-settings.json
npm run dev:test
# http://localhost:1234
```

## Install on Drupal

1. Install the library to `web/libraries/dfg-3dviewer/` — either build locally (see above) and extract `dfg-3dviewer-library.zip`, or download a [release](https://gitlab.nasarek.dev/rnsrk/dfg_3dviewer_js_library/-/releases) prebuild.

   Latest release:

   ```bash
   curl -fL "https://gitlab.nasarek.dev/rnsrk/dfg_3dviewer_js_library/-/releases/permalink/latest/downloads/dfg-3dviewer-library.zip" -o /tmp/dfg-3dviewer-library.zip
   mkdir -p web/libraries/dfg-3dviewer
   unzip -o /tmp/dfg-3dviewer-library.zip -d web/libraries/dfg-3dviewer
   rm /tmp/dfg-3dviewer-library.zip
   ```

   Pin a version (replace `0.0.1` with the tag you need):

   ```bash
   curl -fL "https://gitlab.nasarek.dev/rnsrk/dfg_3dviewer_js_library/-/releases/0.0.1/downloads/dfg-3dviewer-library.zip" -o /tmp/dfg-3dviewer-library.zip
   mkdir -p web/libraries/dfg-3dviewer
   unzip -o /tmp/dfg-3dviewer-library.zip -d web/libraries/dfg-3dviewer
   rm /tmp/dfg-3dviewer-library.zip
   ```

   Run from your Drupal project root (e.g. `/opt/drupal`).

2. Enable the `dfg_3dviewer` Drupal module and configure at `/admin/config/dfg_3dviewer`

## Standalone embed

```html
<div id="DFG_3DViewer" 3d="./examples/box.stl"></div>
<script type="module" src="./dfg_3dviewer.min.js"></script>
```

Or pass config in code: `await Viewer.MainInit({ ... })`.

## Repository layout

- `viewer/` — source
- `dist/` — build output (gitignored; run `npm run build:library`)
- `rollup.config.js` — production builds
- `tests/` — Playwright E2E
