lib/sewing_kit/webpack/manifest.rb in sewing_kit-0.6.2 vs lib/sewing_kit/webpack/manifest.rb in sewing_kit-0.7.0

@@ -9,46 +9,57 @@
         def initialize(message, orig)
           super "#{message} (original error #{orig})"
         end
       end
 
+      class LegacyManifestError < StandardError
+        def initialize(manifest)
+          super "manifest must contain 'entrypoints' key (found: #{manifest})"
+        end
+      end
+
       class << self
         # :nodoc:
-        def asset_paths(source)
-          paths = manifest[source]
-          paths || {}
+        def asset_paths(entrypointName)
+          metadata['entrypoints'][entrypointName]
         end
 
         def clear_cache!
-          @manifest = nil
-          @manifest_expiry_time = nil
+          @metadata = nil
+          @metadata_expiry_time = nil
         end
 
         def manifest
+          metadata['assets']
+        end
+
+        private
+
+        def metadata
           if ::Rails.env.production?
             # Cache at class level, as JSON loading/parsing can be expensive.
-            @manifest ||= load_manifest
+            @metadata ||= load_metadata
           else
             # 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
+            if self.instance_variable_defined?('@metadata_expiry_time') && @metadata_expiry_time && @metadata_expiry_time >= Time.now
+              @metadata
             else
-              @manifest = load_manifest
-              @manifest_expiry_time = Time.now + 4
+              @metadata = load_metadata
+              @metadata_expiry_time = Time.now + 4
             end
           end
 
-          @manifest
+          raise LegacyManifestError.new(@metadata) if !@metadata['entrypoints']
+
+          @metadata
         end
 
-        private
-
         def manifest_bundled?
           !manifest["errors"].any? { |error| error.include? "Module build failed" }
         end
 
-        def load_manifest
+        def load_metadata
           JSON.parse(`node_modules/.bin/sewing-kit manifest --mode #{mode}`)
         rescue => e
           raise ManifestLoadError.new("Could not load compiled manifest - have you run `rake sewing_kit:build`?", e)
         end