Add Google Optimize

GitOrigin-RevId: 4c485be83456bf632d1b5f6790f2757d2b3aad54

services/web/app/src/Features/Subscription/SubscriptionController.js

@@ -52,6 +52,7 @@ module.exports = SubscriptionController = {
             title: 'plans_and_pricing',
             plans,
             gaExperiments: Settings.gaExperiments.plansPage,
+            gaOptimize: true,
             recomendedCurrency,
             planFeatures,
             groupPlans: GroupPlansData

services/web/app/src/infrastructure/ExpressLocals.js

@@ -266,6 +266,7 @@ module.exports = function(webRouter, privateApiRouter, publicApiRouter) {
 
   webRouter.use(function(req, res, next) {
     res.locals.gaToken = Settings.analytics && Settings.analytics.ga.token
+    res.locals.gaOptimizeId = _.get(Settings, ['analytics', 'gaOptimize', 'id'])
     next()
   })
 

services/web/app/views/layout.pug

@@ -35,6 +35,10 @@ html(
 				(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
 				m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
 				})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
+			if gaOptimize === true && typeof(gaOptimizeId) != "undefined"
+				script(type='text/javascript').
+					ga('require', '#{gaOptimizeId}')
+			script(type='text/javascript').
 				ga('create', '#{gaToken}', '#{settings.cookieDomain.replace(/^\./, "")}');
 				ga('send', 'pageview');
 		- else

services/web/config/settings.defaults.coffee

@@ -358,7 +358,8 @@ module.exports = settings =
 	# analytics:
 	# 	ga:
 	# 		token: ""
-	#
+	# 	gaOptimize:
+	# 		id: ""
 	# ShareLaTeX's help desk is provided by tenderapp.com
 	# tenderUrl: ""
 	#