@boundstate/editorjs-attaches

Attaches Tool

Tool for the Editor.js.

This tool allows you to attach files to your articles.

Installation

You can get the package using any of these ways.

Via NPM / Yarn

npm install @boundstate/editorjs-attaches

Load from CDN

You can load specific version of package from jsDelivr CDN.

https://cdn.jsdelivr.net/npm/@boundstate/editorjs-attaches@latest

Then require this script on page with Editor.js through the <script src=""></script> tag.

Usage

Add a new Tool to the tools property of the Editor.js initial config.

import AttachesTool from '@boundstate/editorjs-attaches';

var editor = EditorJS({
  ...

  tools: {
    ...
    attaches: {
      class: AttachesTool,
      config: {
        endpoint: 'http://localhost:8008/uploadFile'
      }
    }
  }

  ...
});

Config Params

Attaches Tool supports these configuration parameters:

Field	Type	Description
endpoint	string	Optional endpoint for file uploading or use uploader
uploader	{uploadByFile: function}	Optional custom uploading method or use endpoint
field	string	(default: file) Name of uploaded file field in POST request
types	string	(default: *) Mime-types of files that can be accepted with file selection.
buttonText	string	(default: Select file) Placeholder for file upload button
errorMessage	string	(default: File upload failed) Message to show if file upload failed
additionalRequestHeaders	object	(default: {}) Object with any custom headers which will be added to request. Example: {"X-CSRF-TOKEN": "W5fe2...hR8d1"}
downloader	{download: function}	Optional custom for downloading image. See details below.

Output data

This Tool returns data with following format

Field	Type	Description
file	object	Uploaded file data. Data received from backend uploader. See description below.
title	string	File's title. Initially set as uploaded file name. Can be modified by user.

file object

Object file consists of the following fields. All of them are optional, size and extension are supported by design.

Field	Type	Description
url	string	Full public path of uploaded file
size	number	File's size (expected in bytes, according to Tool's design)
name	string	File's name
extension	string	File's extension

{
    "type" : "attaches",
    "data" : {
        "file": {
            "url" : "https://www.tesla.com/tesla_theme/assets/img/_vehicle_redesign/roadster_and_semi/roadster/hero.jpg",
            "size": 91,
            "name": "hero.jpg",
            "extension": "jpg"
        },
        "title": "Hero"
    }
}

Backend response format

Response of your uploader should cover following format:

{
    "success" : 1,
    "file": {
        // any data you want
        // for example: url, name, size, title
    }
}

success - uploading status. 1 for successful, 0 for failed

file - uploaded file data. Can contain any data you want to store. All fields will be stored as file object in output data.

Fields supported by the UI of block:

• title
• size
• extension (if not present, will be extracted from the name)
• url

Providing custom uploading methods

As mentioned at the Config Params section, you have an ability to provide own custom uploading method. It is a quite simple: implement uploadByFile method and pass them via uploader config param. The method return a Promise that resolves with response in a format that described at the backend response format section.

Method	Arguments	Return value	Description
uploadByFile	File	{Promise.<{success, file: {url}}>}	Upload file to the server and return an uploaded file data

Example:

import AttachesTool from '@boundstate/editorjs-attaches';

var editor = EditorJS({
  ...

  tools: {
    ...
    attaches: {
      class: AttachesTool,
      config: {
        /**
         * Custom uploader
         */
        uploader: {
          /**
           * Upload file to the server and return an uploaded image data
           * @param {File} file - file selected from the device or pasted by drag-n-drop
           * @return {Promise.<{success, file: {url}}>}
           */
          uploadByFile(file){
            // your own uploading logic here
            return MyAjax.upload(file).then((response) => {
              return {
                success: 1,
                file: {
                  url: response.fileurl,
                  // any data you want
                  // for example: name, size, title
                }
              };
            });
          },
        }
      }
    }
  }
  ...
});

Providing custom download method

As mentioned at the Config Params section, you have an ability to provide own custom downloading methods. It is a quite simple: implement download method and pass them via downloader config param.

Method	Arguments	Return value	Description
download	url, File	url or blobUrl	Custom download function to get image data

Example:

import AttachesTool from '@boundstate/editorjs-attaches';

var editor = EditorJS({
    ...
    tools: {
    ...
    attaches: {
        class: AttachesTool,
            config: {
            /**
             * Custom downloader
             */
            downloader: {
                async download(url: string, file: any) {
                    const data = await getImageData();
                    const blob = new Blob([data]);
                    const blobUrl = URL.createObjectURL(blob);
                    return blobUrl;
                },
            },
        }
    }
}
});

It is recommended to add a "name" attribute to the upload parameters to make the downloaded filename more clear and recognizable.

return {
    success: 1,
    file: {
        url: response.fileurl,
        name: file.name
        // for example: name, size, title
    }
};