Report environment correctly in Bugsnag JS

app/views/layouts/_bugsnag_js.html.haml

@@ -0,0 +1,10 @@
+- bugsnag_js_key = ENV['BUGSNAG_JS_KEY'] || ENV['BUGSNAG_API_KEY']
+- if bugsnag_js_key.present?
+  %script{src: "//d2wy8f7a9ursnm.cloudfront.net/v6/bugsnag.min.js"}
+  :javascript
+    window.bugsnagClient = bugsnag({
+      apiKey: "#{bugsnag_js_key}",
+      beforeSend: function (report) {
+        report.app.releaseStage = "#{Rails.env}"
+      }
+    });

app/views/layouts/darkswarm.html.haml

@@ -37,6 +37,7 @@
           #footer
     %loading
 
+    = render "layouts/bugsnag_js"
     %script{:src => "https://js.stripe.com/v3/", :type => "text/javascript"}
     %script{src: "//maps.googleapis.com/maps/api/js?libraries=places,geometry#{ ENV['GOOGLE_MAPS_API_KEY'] ? '&key=' + ENV['GOOGLE_MAPS_API_KEY'] : ''} "}
     = javascript_include_tag "darkswarm/all"

app/views/spree/admin/shared/_head.html.haml

@@ -12,6 +12,7 @@
 %link{:href => "//fonts.googleapis.com/css?family=Open+Sans:400italic,600italic,400,600&subset=latin,cyrillic,greek,vietnamese", :rel => "stylesheet", :type => "text/css"}
 
 = stylesheet_link_tag 'admin/all'
+= render "layouts/bugsnag_js"
 = javascript_include_tag 'admin/all'
 
 = render "spree/admin/shared/translations"

config/application.yml.example

@@ -37,6 +37,9 @@ SMTP_PASSWORD: 'f00d'
 # MAILS_FROM: hello@example.com
 # MAIL_BCC: manager@example.com
 
+# Javascript error reporting via Bugsnag.
+#BUGSNAG_JS_KEY: ""
+
 # SingleSignOn login for Discourse
 #
 # DISCOURSE_SSO_SECRET should be a random string. It must be the same as provided to your Discourse instance.