fix(URL): prefer built in URL version when available and fallback to whatwg (#1352)

* fix(URL): prefer built in URL version when available and fallback to whatwg * bump minor

Author: jimmywarting

package.json

@@ -1,6 +1,6 @@
 {
  "name": "node-fetch",
- "version": "2.6.5",
+ "version": "2.6.6",
  "description": "A light-weight module that brings window.fetch to node.js",
  "main": "lib/index.js",
  "browser": "./browser.js",

src/request.js

@@ -14,7 +14,7 @@ import Headers, { exportNodeCompatibleHeaders } from './headers.js';
 import Body, { clone, extractContentType, getTotalBytes } from './body';
 
 const INTERNALS = Symbol('Request internals');
-const URL = whatwgUrl.URL;
+const URL = Url.URL || whatwgUrl.URL;
 
 // fix an issue where "format", "parse" aren't a named export for node <10
 const parse_url = Url.parse;

test/test.js

@@ -2875,4 +2875,11 @@ describe('issue #1290', function() {
 });
 });
 });
+
+// #1342
+it('should not throw with a valid URL', () => {
+const url = 'https://r2---sn-n4v7sney.example.com';
+new Request(url);
+});
+
 });