[ter] created get access token applet

Author: Ruslan Tereshchenko

lib/common.js

@@ -38,7 +38,7 @@ const responseHandler = (callback, { parse = true } = {}) => res => {
     }
 
     if (callback) {
-      return callback(errors, parse ? parsedData : rawData);
+      return callback(errors, !errors && (parse ? parsedData : rawData) || null);
     }
   });
 };

samples/applets/get-access-token.js

@@ -0,0 +1,30 @@
+/*
+ * to run get access token applet from the project root folder type in your console:
+ * > node samples/applets/get-access-token <cliend_id> <client_secret> <email> <password>
+ *  <cliend_id>, <client_secret>, <email>, <password> - are required params
+ */
+
+'use strict';
+
+const [
+  clientId,
+  clientSecret,
+  username,
+  password,
+] = process.argv.slice(2);
+
+const { oauth2: { requestToken: getAccessToken } } = require('../../lib')({
+  credentials: Buffer.from(`${clientId}:${clientSecret}`).toString('base64'),
+  production: false,
+});
+
+getAccessToken({
+  username,
+  password,
+}, (err, res) => {
+  if (err) {
+    console.error(err);
+  } else {
+    console.log(res);
+  }
+});