Handle case of no webpacker installed

justin808 · justin808 · commit 6fad1af343ce · 2018-08-18T22:19:37.000-10:00
diff --git a/lib/react_on_rails/test_helper.rb b/lib/react_on_rails/test_helper.rb
@@ -76,7 +76,8 @@ def self.ensure_assets_compiled(webpack_assets_status_checker: nil,
           puts
           @printed_once = true
 
-          if ReactOnRails::Utils.source_path_is_not_defined_and_custom_node_modules?
+          if ReactOnRails::WebpackerUtils.using_webpacker? &&
+             ReactOnRails::Utils.using_webpacker_source_path_is_not_defined_and_custom_node_modules?
             msg = <<-MSG.strip_heredoc
               WARNING: Define config.webpacker.yml to include sourcePath to configure
               the location of your JavaScript source for React on Rails.
diff --git a/lib/react_on_rails/utils.rb b/lib/react_on_rails/utils.rb
@@ -137,7 +137,9 @@ def self.source_path
       end
     end
 
-    def self.source_path_is_not_defined_and_custom_node_modules?
+    def self.using_webpacker_source_path_is_not_defined_and_custom_node_modules?
+      return false unless ReactOnRails::WebpackerUtils.using_webpacker?
+
       !ReactOnRails::WebpackerUtils.webpacker_source_path_explicit? &&
         ReactOnRails.configuration.node_modules_location.present?
     end
diff --git a/spec/react_on_rails/utils_spec.rb b/spec/react_on_rails/utils_spec.rb
@@ -71,32 +71,34 @@ module ReactOnRails
       end
     end
 
-    describe ".source_path_is_not_defined_and_custom_node_modules?" do
-      it "returns false if node_modules is blank" do
-        allow(ReactOnRails).to receive_message_chain("configuration.node_modules_location")
-          .and_return("")
-        allow(Webpacker).to receive_message_chain("config.send").with(:data)
-                                                                .and_return({})
-
-        expect(ReactOnRails::Utils.source_path_is_not_defined_and_custom_node_modules?).to eq(false)
-      end
+    if ReactOnRails::WebpackerUtils.using_webpacker?
+      describe ".source_path_is_not_defined_and_custom_node_modules?" do
+        it "returns false if node_modules is blank" do
+          allow(ReactOnRails).to receive_message_chain("configuration.node_modules_location")
+            .and_return("")
+          allow(Webpacker).to receive_message_chain("config.send").with(:data)
+                                                                  .and_return({})
 
-      it "returns false if source_path is defined in the config/webpacker.yml and node_modules defined" do
-        allow(ReactOnRails).to receive_message_chain("configuration.node_modules_location")
-          .and_return("client")
-        allow(Webpacker).to receive_message_chain("config.send").with(:data)
-                                                                .and_return(source_path: "client/app")
+          expect(ReactOnRails::Utils.using_webpacker_source_path_is_not_defined_and_custom_node_modules?).to eq(false)
+        end
 
-        expect(ReactOnRails::Utils.source_path_is_not_defined_and_custom_node_modules?).to eq(false)
-      end
+        it "returns false if source_path is defined in the config/webpacker.yml and node_modules defined" do
+          allow(ReactOnRails).to receive_message_chain("configuration.node_modules_location")
+            .and_return("client")
+          allow(Webpacker).to receive_message_chain("config.send").with(:data)
+                                                                  .and_return(source_path: "client/app")
 
-      it "returns true if node_modules is not blank and the source_path is not defined in config/webpacker.yml" do
-        allow(ReactOnRails).to receive_message_chain("configuration.node_modules_location")
-          .and_return("node_modules")
-        allow(Webpacker).to receive_message_chain("config.send").with(:data)
-                                                                .and_return({})
+          expect(ReactOnRails::Utils.using_webpacker_source_path_is_not_defined_and_custom_node_modules?).to eq(false)
+        end
+
+        it "returns true if node_modules is not blank and the source_path is not defined in config/webpacker.yml" do
+          allow(ReactOnRails).to receive_message_chain("configuration.node_modules_location")
+            .and_return("node_modules")
+          allow(Webpacker).to receive_message_chain("config.send").with(:data)
+                                                                  .and_return({})
 
-        expect(ReactOnRails::Utils.source_path_is_not_defined_and_custom_node_modules?).to eq(true)
+          expect(ReactOnRails::Utils.using_webpacker_source_path_is_not_defined_and_custom_node_modules?).to eq(true)
+        end
       end
     end
 
