lib/sewing_kit/webpack/manifest.rb in sewing_kit-0.6.1 vs lib/sewing_kit/webpack/manifest.rb in sewing_kit-0.6.2

@@ -16,17 +16,30 @@
         def asset_paths(source)
           paths = manifest[source]
           paths || {}
         end
 
+        def clear_cache!
+          @manifest = nil
+          @manifest_expiry_time = nil
+        end
+
         def manifest
           if ::Rails.env.production?
             # Cache at class level, as JSON loading/parsing can be expensive.
             @manifest ||= load_manifest
           else
-            # Don't cache outside of production; manifest may change.
-            load_manifest
+            # In development, the manifest may change.
+            # A short cache lifetime avoids time consuming node callouts.
+            if self.instance_variable_defined?('@manifest_expiry_time') && @manifest_expiry_time && @manifest_expiry_time >= Time.now
+              @manifest
+            else
+              @manifest = load_manifest
+              @manifest_expiry_time = Time.now + 4
+            end
           end
+
+          @manifest
         end
 
         private
 
         def manifest_bundled?