Attaches Tool

Tool for the Editor.js.

This tool allows you to attach files to your articles.

!Example of the Attach tool look

Installation

You can get the package using any of these ways.

$3

``shell
npm install @editorjs/attaches
`

$3

You can load specific version of package from jsDelivr CDN.

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

Then require this script on page with Editor.js through the tag.

Usage

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

`javascript
import AttachesTool from '@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"} |

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. |

$3

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 |

`json
{
"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:

`json5
{
"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:

`js
import AttachesTool from '@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
}
};
});
},
}
}
}
}
...
});
``