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Attach files via drag and drop or file input.

$ npm install @github/file-attachment-element

import'@github/file-attachment-element'

<file-attachmentdirectory><inputtype="file"multiple/></file-attachment>

• file-attachment[directory] enables traversing directories.
• file-attachment[input] points to the ID of a file input inside of<file-attachment>. If supplied, only files selected from the corresponding<input> will be attached to<file-attachment>.

A boolean[hover] attribute is present on<file-attachment> while files are dragged over the element.

file-attachment[hover] {border:2px dashed grey; }

• file-attachment-accept – Files were dropped onto the element. Callevent.preventDefault() to prevent the drop. Bubbles.
• file-attachment-accepted – Files were added to the attachment list and can be uploaded by the host app. Bubbles.

Browsers without nativecustom element support require apolyfill.

• Chrome
• Firefox
• Safari
• Microsoft Edge

npm installnpm test

Distributed under the MIT license. See LICENSE for details.