CKEditor Ecosystem Documentation
Search
Report an issue
Home/CKEditor 5/API
Interface

UploadAdapter (upload)

@ckeditor/ckeditor5-upload/src/filerepository

interface
See source

Upload adapter interface used by the file repository to handle file upload. An upload adapter is a bridge between the editor and server that handles file uploads. It should contain a logic necessary to initiate an upload process and monitor its progress.

Learn how to develop your own upload adapter for CKEditor 5 in the "Custom upload adapter" guide.

Filtering

Methods

  • abort()

    Aborts the upload process. After aborting it should reject promise returned from upload().

    See source

    Take a look at example Adapter implementation and createUploadAdapter method.

  • upload() → Promise

    Executes the upload process. This method should return a promise that will resolve when data will be uploaded to server. Promise should be resolved with an object containing information about uploaded file:

    See source
    {
    default: 'http://server/default-size.image.png'
}

    Additionally, other image sizes can be provided:

    {
    default: 'http://server/default-size.image.png',
    '160': 'http://server/size-160.image.png',
    '500': 'http://server/size-500.image.png',
    '1000': 'http://server/size-1000.image.png',
    '1052': 'http://server/default-size.image.png'
}

    NOTE: When returning multiple images, the widest returned one should equal the default one. It is essential to correctly set width attribute of the image. See this discussion: https://github.com/ckeditor/ckeditor5-easy-image/issues/4 for more information.

    Take a look at example Adapter implementation and createUploadAdapter method.

    Returns

    Promise

    Promise that should be resolved when data is uploaded.