Add `dropzone` as npm Dependency for ILIAS 12

[thibsy]

Assessment:

• This dependency is responsible for client-side file upload handling.

General Information:

• Name of the dependency: dropzone
• Version: 6.0.0-beta.2
• [X] this dependency was already used in ILIAS.
• [X] the dependency's license is compatible with ILIAS' license: MIT

Type of dependency:

• [ ] composer
• [X] npm

Usage:

• ILIAS\UI\Component\Input\Field\FileUpload *components/ILIAS/UI/resources/js/Input/Field/file.js

Reasoning:

• This package is used by the UI file input to handle cliebt-side file uploads. It also supports chunked uploads which has been implemented in ILIAS 9. Besides that, the library also provides further functionality like drag-and-drop file selection and dynamic rendering of HTML previews.

Maintenance:

• Last update of the Library: 2021-11-29

Links:

• npm: https://www.npmjs.com/package/dropzone
• GitHub: https://github.com/dropzone/dropzone.git
• Documentation: https://www.dropzone.dev/js

Alternatives:

• @uppy/core (has also been suggested once before)

[matthiaskunkel]

Jour Fixe, 08 DEC 2025: Dependency is accepted for ILIAS 12. We still should try to get rid of this library and substitute it by another one, e.g. @uppy/core. But this requires funding and ressources.