Migrated to prerender node-module

imports/startup/server/index.js

@@ -10,3 +10,4 @@ import './facts';
 import '../common/comments';
 import './sitemaps';
 import './subsUnion';
+import './prerender';

imports/startup/server/prerender.js

@@ -0,0 +1,46 @@
+/* global WebApp */
+
+import { Meteor } from 'meteor/meteor';
+import prerenderIO from 'prerender-node';
+
+// NOTE: Fetch as Google needs the /?_escaped_fragment_=
+// https://webmasters.stackexchange.com/questions/72819/fetch-as-google-doesnt-find-the-html-snapshot-for-my-ajax-content
+
+// https://forums.meteor.com/t/any-guide-for-prerender-node-and-your-own-server-on-meteor/22054/9
+const settings = Meteor.settings.PrerenderIO;
+
+// https://github.com/dferber90/meteor-prerender/blob/master/server/prerender.js
+const token = process.env.PRERENDERIO_TOKEN || (settings && settings.token);
+const protocol = process.env.PRERENDERIO_PROTOCOL || (settings && settings.protocol);
+// service url (support `prerenderServiceUrl` (for historical reasons) and `serviceUrl`)
+let serviceUrl = settings && (settings.prerenderServiceUrl || settings.serviceUrl);
+serviceUrl = process.env.PRERENDERIO_SERVICE_URL || serviceUrl;
+
+Meteor.startup(() => {
+  /* TODO if (!__meteor_runtime_config__.ROOT_URL.match(/www|stg|app/)) return; */
+
+  prerenderIO.set('prerenderToken', token);
+
+  if (serviceUrl) prerenderIO.set('prerenderServiceUrl', serviceUrl);
+  prerenderIO.set('prerenderToken', token);
+  if (protocol) prerenderIO.set('protocol', protocol);
+
+  prerenderIO.set('beforeRender', (req, done) => {
+    if (Meteor.isDevelopment) console.log('\nprerender before', req.headers, '\n\n');
+    /* This method is intended to be used for caching, but could be used to save analytics or anything else you need to do for each crawler request. If you return a string from beforeRender, the middleware will serve that to the crawler (with status 200) instead of making a request to the prerender service. If you return an object the middleware will look for a status and body property (defaulting to 200 and "" respectively) and serve those instead. */
+    done();
+  });
+
+  prerenderIO.set('afterRender', (err, req, prerender_res) => {
+    /* This method is intended to be used for caching, but could be used to save analytics or anything else you need to do for each crawler request. This method is a noop and is called after the prerender service returns HTML. */
+    if (err) {
+      console.log('prerenderio error', err);
+      return;
+    }
+    if (Meteor.isDevelopment) console.log('prerender after', req.url, '\nheaders:', req.headers, '\nres complete:', prerender_res.complete, prerender_res.statusCode, prerender_res.statusMessage, '\nres headers:', prerender_res.headers, '\nres body', prerender_res);
+  });
+
+  WebApp.rawConnectHandlers.use(prerenderIO);
+
+  console.log('\nprerender service:', settings);
+});