Update to Snowplow 2.10.0

- Re-enable stateStorageStrategy=localStorage
- Move snowplow to vendor directory
- Cleanup .eslintignore
- Fix test

.eslintignore

@@ -11,5 +11,3 @@
 /vendor/
 karma.config.js
 webpack.config.js
-
-ee/app/assets/javascripts/shared/snowplow/sp.js

config/application.rb

@@ -175,7 +175,9 @@ module Gitlab
     %w[images javascripts stylesheets].each do |path|
       config.assets.paths << "#{config.root}/ee/app/assets/#{path}"
     end
-    config.assets.precompile << "shared/snowplow/sp.js"
+
+    config.assets.paths << "#{config.root}/vendor/assets/javascripts/"
+    config.assets.precompile << "snowplow/sp.js"
 
     # Compile non-JS/CSS assets in the ee/app/assets folder by default
     # Mimic sprockets-rails default: https://github.com/rails/sprockets-rails/blob/v3.2.1/lib/sprockets/railtie.rb#L84-L87

ee/app/views/layouts/_snowplow.html.haml

@@ -3,7 +3,7 @@
   ;(function(p,l,o,w,i,n,g){if(!p[i]){p.GlobalSnowplowNamespace=p.GlobalSnowplowNamespace||[];
   p.GlobalSnowplowNamespace.push(i);p[i]=function(){(p[i].q=p[i].q||[]).push(arguments)
   };p[i].q=p[i].q||[];n=l.createElement(o);g=l.getElementsByTagName(o)[0];n.async=1;
-  n.src=w;g.parentNode.insertBefore(n,g)}}(window,document,"script","#{asset_url('shared/snowplow/sp.js')}","snowplow"));
+  n.src=w;g.parentNode.insertBefore(n,g)}}(window,document,"script","#{asset_url('snowplow/sp.js')}","snowplow"));
 
   window.snowplow('newTracker', 'cf', '#{Gitlab::CurrentSettings.snowplow_collector_uri}', {
     appId: '#{Gitlab::CurrentSettings.snowplow_site_id}',
@@ -14,9 +14,8 @@
     post: true,
     contexts: {
         webPage: true,
-    }
-    // Uncomment in https://gitlab.com/gitlab-org/gitlab-ee/issues/8432
-    // stateStorageStrategy: "localStorage"
+    },
+    stateStorageStrategy: "localStorage"
   });
 
   window.snowplow('enableActivityTracking', 30, 30);

spec/views/layouts/_head.html.haml_spec.rb

@@ -73,7 +73,7 @@ describe 'layouts/_head' do
 
     it 'add a snowplow script tag with asset host' do
       render
-      expect(rendered).to match('http://test.host/assets/shared/snowplow/')
+      expect(rendered).to match('http://test.host/assets/snowplow/')
       expect(rendered).to match('window.snowplow')
       expect(rendered).to match('www.snow.plow')
     end