Adding cross-fetch dependency because fetch() isn't native until …

…node18 and still need to support older versions, setting `engine` in `package.json` `>=6` for `const` to be valid

dist/adobe-ims-servicetoken.cjs

@@ -3,11 +3,12 @@
  *
  * @copyright 2023 Jason Mulligan <jason.mulligan@avoidwork.com>
  * @license BSD-3-Clause
- * @version 3.0.5
+ * @version 3.0.6
  */
 'use strict';
 
 var node_crypto = require('node:crypto');
+var fetch = require('cross-fetch');
 
 const AMPERSAND = "&";
 const BASE64 = "base64";

dist/adobe-ims-servicetoken.js

@@ -3,9 +3,9 @@
  *
  * @copyright 2023 Jason Mulligan <jason.mulligan@avoidwork.com>
  * @license BSD-3-Clause
- * @version 3.0.5
+ * @version 3.0.6
  */
-import {createHash}from'node:crypto';const AMPERSAND = "&";
+import {createHash}from'node:crypto';import fetch from'cross-fetch';const AMPERSAND = "&";
 const BASE64 = "base64";
 const CLIENT_ID = "client_id";
 const CLIENT_SECRET = "client_secret";

package.json

@@ -1,6 +1,6 @@
 {
   "name": "adobe-ims-servicetoken",
-  "version": "3.0.5",
+  "version": "3.0.6",
   "description": "Adobe IMS Service Token lifecycle management",
   "source": "src/ims.js",
   "main": "dist/adobe-ims-servicetoken.cjs",
@@ -10,7 +10,7 @@
   },
   "type": "module",
   "engines": {
-    "node": ">=16.14.2"
+    "node": ">=6"
   },
   "files": [
     "dist",
@@ -47,5 +47,8 @@
     "husky": "^8.0.3",
     "rollup": "^4.2.0",
     "typescript": "^5.2.2"
+  },
+  "dependencies": {
+    "cross-fetch": "^4.0.0"
   }
 }

src/token.js

@@ -1,4 +1,5 @@
 import {createHash} from "node:crypto";
+import fetch from "cross-fetch";
 import {
 	AMPERSAND,
 	BASE64,