Fit the devTool to nodejs v16.

helpers.js

@@ -10,6 +10,7 @@ import {buildWordPress} from "./platforms/wordpress/wordpress-adapter.js";
 import {buildHubspotEmail} from "./platforms/hubspot/hubspot-email-adapter.js";
 import {buildHubspotPage} from "./platforms/hubspot/hubspot-page-adapter.js";
 import fs from "fs/promises";
+import {constants} from "fs";
 import fetch from "node-fetch";
 import mime from "mime-types";
 
@@ -29,7 +30,7 @@ export async function readJSONFile(jsonFile) {
   let data = {};
 
   try {
-    await fs.access(jsonFile, fs.constants.F_OK | fs.constants.R_OK);
+    await fs.access(jsonFile, constants.F_OK | constants.R_OK);
     data = await fsExtra.readJson(jsonFile);
   } catch (e) {
     return {