Update src/index.js and README.md - Allow Overriding the link from a …

…server response. Allow using headers in HTTP requests

README.md

@@ -54,7 +54,7 @@ const editor = EditorJS({
     linkTool: {
       class: LinkTool,
       config: {
-        endpoint: 'http://localhost:8008/fetchUrl', // Your backend endpoint for url data fetching
+        endpoint: 'http://localhost:8008/fetchUrl', // Your backend endpoint for url data fetching,
       }
     }
   },
@@ -70,6 +70,7 @@ Link Tool supports these configuration parameters:
 | Field    | Type        | Description                                    |
 | ---------|-------------|------------------------------------------------|
 | endpoint | `string`    | **Required:** the endpoint for link data fetching. |
+| headaers | `object`    | **Optional:** the headers used in the GET request. |
 
 ## Output data
 
@@ -107,6 +108,7 @@ Backend response **should** cover following format:
 ```json5
 {
     "success" : 1,
+    "link": "https://codex.so", // Optionally return a link to set the hyperlink URL
     "meta": {
         // ... any fields you want
     }
@@ -115,6 +117,8 @@ Backend response **should** cover following format:
 
 **success** — uploading status. 1 for successful, 0 for failed
 
+**link** - You are able to return the l
+
 **meta** — link fetched data.
 
 Currently, the plugin's design supports the 'title', 'image', and 'description' fields. They should have the following format in the response:

src/index.js

@@ -78,6 +78,7 @@ export default class LinkTool {
      */
     this.config = {
       endpoint: config.endpoint || '',
+      headers: config.headers || {},
     };
 
     this.nodes = {
@@ -385,6 +386,7 @@ export default class LinkTool {
     try {
       const { body } = await (ajax.get({
         url: this.config.endpoint,
+        headers: this.config.headers,
         data: {
           url,
         },
@@ -410,6 +412,8 @@ export default class LinkTool {
 
     const metaData = response.meta;
 
+    const link = response.link || this.data.link;
+
     this.data = { meta: metaData };
 
     if (!metaData) {