Set NODE_ENV to Rails.env

lib/browserify-rails/browserify_processor.rb

@@ -110,6 +110,21 @@ def dependencies
       end
     end
 
+    # Environtment to run browserify in:
+    #
+    # NODE_PATH https://nodejs.org/api/all.html#all_loading_from_the_global_folders
+    # but basically allows one to have multiple locations for non-relative requires
+    # to be resolved to.
+    #
+    # NODE_ENV is set to the Rails.env. This is used by some modules to determine
+    # how to build. Example: https://facebook.github.io/react/downloads.html#npm
+    def env
+      {
+        "NODE_PATH" => asset_paths,
+        "NODE_ENV"  => Rails.env
+      }
+    end
+
     # Run the requested version of browserify (browserify or browserifyinc)
     # based on configuration or the use_browserifyinc parameter if present.
     #
@@ -142,7 +157,6 @@ def run_browserify(logical_path=nil, extra_options=nil, force_browserifyinc=nil)
 
       # Compose the full command (using browserify or browserifyinc as necessary)
       command = "#{browserify_command(force_browserifyinc)} #{command_options} -"
-      env = { "NODE_PATH" => asset_paths }
 
       # The directory the command will be executed from
       base_directory = File.dirname(file)

test/browserify_processor_test.rb

@@ -40,6 +40,18 @@ class BrowserifyProcessorTest < ActiveSupport::TestCase
     assert_equal "-d -i test4.js", @processor.send(:options)
   end
 
+  test "env should have NODE_ENV set" do
+    assert_equal Rails.env, @processor.send(:env)["NODE_ENV"]
+  end
+
+  test "env should have NODE_PATH set to Rails.application.config.assets.paths" do
+    node_env = @processor.send(:env)["NODE_PATH"]
+
+    Rails.application.config.assets.paths.each do |path|
+      assert_equal true, node_env.include?(path)
+    end
+  end
+
   def stub_engine_config(key, value)
     @processor.send(:config).stubs(key).returns(value)
   end