feat(node_id): parses profile node_id, which is documented as the best practice ID to persist as of API V4: https://developer.github.com/v4/guides/using-global-node-ids/#using-global-node-ids-in-migrations

lib/profile.js

@@ -12,6 +12,7 @@ exports.parse = function(json) {
   
   var profile = {};
   profile.id = String(json.id);
+  profile.nodeId = json.node_id;
   profile.displayName = json.name;
   profile.username = json.login;
   profile.profileUrl = json.html_url;

test/data/octocat-20190115.json

@@ -0,0 +1,33 @@
+{
+  "login": "octocat",
+  "id": 583231,
+  "node_id": "MDQ6VXNlcjU4MzIzMQ==",
+  "avatar_url": "https://avatars3.githubusercontent.com/u/583231?v=4",
+  "gravatar_id": "",
+  "url": "https://api.github.com/users/octocat",
+  "html_url": "https://github.com/octocat",
+  "followers_url": "https://api.github.com/users/octocat/followers",
+  "following_url": "https://api.github.com/users/octocat/following{/other_user}",
+  "gists_url": "https://api.github.com/users/octocat/gists{/gist_id}",
+  "starred_url": "https://api.github.com/users/octocat/starred{/owner}{/repo}",
+  "subscriptions_url": "https://api.github.com/users/octocat/subscriptions",
+  "organizations_url": "https://api.github.com/users/octocat/orgs",
+  "repos_url": "https://api.github.com/users/octocat/repos",
+  "events_url": "https://api.github.com/users/octocat/events{/privacy}",
+  "received_events_url": "https://api.github.com/users/octocat/received_events",
+  "type": "User",
+  "site_admin": false,
+  "name": "The Octocat",
+  "company": "GitHub",
+  "blog": "http://www.github.com/blog",
+  "location": "San Francisco",
+  "email": null,
+  "hireable": null,
+  "bio": null,
+  "public_repos": 8,
+  "public_gists": 8,
+  "followers": 2914,
+  "following": 9,
+  "created_at": "2011-01-25T18:44:36Z",
+  "updated_at": "2020-01-02T15:35:57Z"
+}

test/profile.test.js

@@ -47,5 +47,26 @@ describe('profile.parse', function() {
       expect(profile.emails).to.be.undefined;
     });
   });
+
+  describe('example profile with `node_id`', function() {
+    var profile;
+
+    before(function(done) {
+      fs.readFile('test/data/octocat-20190115.json', 'utf8', function(err, data) {
+        if (err) { return done(err); }
+        profile = parse(data);
+        done();
+      });
+    });
+
+    it('should parse profile', function() {
+      expect(profile.id).to.equal('583231');
+      expect(profile.nodeId).to.equal('MDQ6VXNlcjU4MzIzMQ==');
+      expect(profile.username).to.equal('octocat');
+      expect(profile.displayName).to.equal('The Octocat');
+      expect(profile.profileUrl).to.equal('https://github.com/octocat');
+      expect(profile.emails).to.be.undefined;
+    });
+  });
   
 });