Rails 5 support?

lib/sprockets/coffee-react-script.rb

@@ -7,13 +7,12 @@ module Sprockets
   # Preprocessor that runs CJSX source files through coffee-react-transform
   # then compiles with coffee-script
   class CoffeeReactScript < Tilt::Template
-    CJSX_EXTENSION = /\.cjsx[^\/]*?$/
-    CJSX_PRAGMA = /^\s*#[ \t]*@cjsx/i
+    CJSX_EXTENSION = %r{\.cjsx[^/]*?$}.freeze
+    CJSX_PRAGMA = /^\s*#[ \t]*@cjsx/i.freeze
 
-    def prepare
-    end
+    def prepare; end
 
-    def evaluate(scope, locals, &block)
+    def evaluate(scope, _locals)
       if scope.pathname.to_s =~ /\.coffee\.cjsx/
         ::CoffeeReact.transform(data)
       elsif scope.pathname.to_s =~ CJSX_EXTENSION || data =~ CJSX_PRAGMA
@@ -23,5 +22,16 @@ def evaluate(scope, locals, &block)
       end
     end
 
+    def self.call(input)
+      filename = (input[:source_path] || input[:filename]).to_s
+      data = input[:data]
+      if filename =~ /\.coffee(\.source-.*)?\.cjsx/
+        ::CoffeeReact.transform(data)
+      elsif filename =~ CJSX_EXTENSION
+        ::CoffeeScript.compile(::CoffeeReact.transform(data))
+      else
+        data
+      end
+    end
   end
 end

lib/sprockets/coffee-react.rb

@@ -9,10 +9,9 @@ class CoffeeReact < Tilt::Template
     CJSX_EXTENSION = /\.(:?cjsx|coffee)[^\/]*?$/
     CJSX_PRAGMA = /^\s*#[ \t]*@cjsx/i
 
-    def prepare
-    end
+    def prepare; end
 
-    def evaluate(scope, locals, &block)
+    def evaluate(scope, _locals, &_block)
       if scope.pathname.to_s =~ CJSX_EXTENSION || data =~ CJSX_PRAGMA
         ::CoffeeReact.transform(data)
       else
@@ -21,10 +20,8 @@ def evaluate(scope, locals, &block)
     end
 
     def self.install(environment = ::Sprockets)
-      environment.register_preprocessor 'application/javascript', Sprockets::CoffeeReact
-      environment.register_postprocessor 'application/javascript', Sprockets::CoffeeReactPostprocessor
-      environment.register_engine '.cjsx', Sprockets::CoffeeReactScript
-      environment.register_engine '.js.cjsx', Sprockets::CoffeeReactScript
+      environment.register_mime_type 'application/x-cjsx', extensions: %w[.cjsx .js.cjsx]
+      environment.register_transformer 'application/x-cjsx', 'application/javascript', Sprockets::CoffeeReactScript
     end
   end
 end

lib/sprockets/coffee-react/engine.rb

@@ -6,19 +6,17 @@
   module Sprockets
     class CoffeeReact
       class Engine < ::Rails::Engine
-        initializer :setup_coffee_react, :after => "sprockets.environment", :group => :all do |app|
+        initializer :setup_coffee_react, after: 'sprockets.environment', group: :all do |app|
           if app.assets
             configure_env app.assets
           else
-            app.config.assets.configure { |env| configure_env env }
+            app.config.assets.configure(&method(:configure_env))
           end
         end
 
         def configure_env(env)
-          env.register_preprocessor 'application/javascript', Sprockets::CoffeeReact
-          env.register_postprocessor 'application/javascript', Sprockets::CoffeeReactPostprocessor
-          env.register_engine '.cjsx', Sprockets::CoffeeReactScript
-          env.register_engine '.js.cjsx', Sprockets::CoffeeReactScript
+          env.register_mime_type 'application/x-cjsx', extensions: %w[.cjsx .js.cjsx]
+          env.register_transformer 'application/x-cjsx', 'application/javascript', Sprockets::CoffeeReactScript
         end
       end
     end