Re-implement page-specific JS in a better way.

This makes larger libraries more cacheable and will allow us to use SRI with the dynamically included libraries.

app/assets/javascripts/application.js.coffee

@@ -50,7 +50,7 @@
 #= require_directory ./ci
 #= require_directory ./commit
 #= require_directory ./extensions
-#= require_directory ./lib
+#= require_directory ./lib/.
 #= require_directory ./u2f
 #= require_directory .
 #= require fuzzaldrin-plus

app/assets/javascripts/graphs/application.js.coffee

@@ -4,5 +4,4 @@
 # It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
 # the compiled file.
 #
-#= require Chart
 #= require_tree .

app/assets/javascripts/lib/chart/application.js.coffee

+#= require Chart

app/assets/javascripts/lib/d3/application.js.coffee

+#= require d3

app/assets/javascripts/lib/raphael/application.js.coffee

+#= require raphael
+#= require g.raphael
+#= require g.bar

app/assets/javascripts/users/application.js.coffee

-# This is a manifest file that'll be compiled into including all the files listed below.
-# Add new JavaScript/Coffee code in separate files in this directory and they'll automatically
-# be included in the compiled file accessible from http://example.com/assets/application.js
-# It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
-# the compiled file.
 #
-#= require d3
 #= require_tree .

app/views/layouts/_head.html.haml

@@ -30,11 +30,8 @@
 
   = javascript_include_tag "application", integrity: true
 
-  -# FIXME: SRI doesn't apply to the dynamically-generated per-page
-  -# JavaScript due to a bug in sprockets-rails.
-  -# See https://github.com/rails/sprockets-rails/issues/359
-  - if page_specific_javascripts
-    = javascript_include_tag page_specific_javascripts, {"data-turbolinks-track" => true}
+  - if :page_specific_javascripts
+    = yield :page_specific_javascripts
 
   = csrf_meta_tags
 

app/views/projects/graphs/_head.html.haml

 .nav-links.sub-nav
   %ul{ class: (container_class) }
 
-    - page_specific_javascripts asset_path("graphs/application.js")
+    - content_for :page_specific_javascripts do
+      = javascript_include_tag 'lib/chart/application.js', {integrity: true, "data-turbolinks-track" => true}
+      = javascript_include_tag 'graphs/application.js', {integrity: true, "data-turbolinks-track" => true}
     = nav_link(action: :show) do
       = link_to 'Contributors', namespace_project_graph_path
     = nav_link(action: :commits) do

app/views/projects/network/show.html.haml

 - page_title "Network", @ref
-- page_specific_javascripts asset_path("network/application.js")
+- content_for :page_specific_javascripts do
+  = javascript_include_tag 'lib/raphael/application.js', {integrity: true, "data-turbolinks-track" => true}
+  = javascript_include_tag 'network/application.js', {integrity: true, "data-turbolinks-track" => true}
 = render "projects/commits/head"
 = render "head"
 %div{ class: (container_class) }

app/views/users/show.html.haml

 - page_title       @user.name
 - page_description @user.bio
-- page_specific_javascripts asset_path("users/application.js")
+- content_for :page_specific_javascripts do
+  = javascript_include_tag 'lib/d3/application.js', {integrity: true, "data-turbolinks-track" => true}
+  = javascript_include_tag 'users/application.js', {integrity: true, "data-turbolinks-track" => true}
 - header_title     @user.name, user_path(@user)
 - @no_container = true