feat: generate types for inline serializers, exclude them from the index

closes #19

playground/vanilla/Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: ../..
   specs:
-    types_from_serializers (2.1.0)
+    types_from_serializers (2.2.0)
       listen (~> 3.2)
       oj_serializers (~> 2.0, >= 2.0.2)
       railties (>= 5.1)

playground/vanilla/app/frontend/types/serializers/ComposerWithSongs.ts

@@ -1,12 +1,12 @@
-// TypesFromSerializers CacheKey 1e3a5dea8847b2dcfe76fec134589cbb
+// TypesFromSerializers CacheKey 9111c6d881174b0013582fa6366868db
 //
 // DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
-import type Model from './Model'
+import type ComposerWithSongsSong from './ComposerWithSongs/Song'
 
 export default interface ComposerWithSongs {
   id: number
   firstName?: string
   lastName?: string
   name: string
-  songs: Model[]
+  songs: ComposerWithSongsSong[]
 }

playground/vanilla/app/frontend/types/serializers/ComposerWithSongs/Song.ts

@@ -0,0 +1,8 @@
+// TypesFromSerializers CacheKey a69c0dbcc904740e5de89181ef4b2837
+//
+// DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
+
+export default interface ComposerWithSongsSong {
+  id: number
+  title?: string
+}

playground/vanilla/app/frontend/types/serializers/Song.ts

@@ -1,12 +1,12 @@
-// TypesFromSerializers CacheKey 460b4a83a2e81c9d693ac5490f9e0b76
+// TypesFromSerializers CacheKey f4f9e398dc092747d13607e2bdcb0846
 //
 // DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
 import type Composer from './Composer'
 
 export default interface Song {
   id: number
   composer: Composer
-  genre: "disco" | "rock" | "classical"
+  genre: "fingerstyle" | "rock" | "classical"
   tempo: "slow" | "medium" | "fast"
   title?: string
 }

playground/vanilla/app/frontend/types/serializers/SongWithVideos.ts

@@ -1,4 +1,4 @@
-// TypesFromSerializers CacheKey 3aa811bd4673913bbd09f2967979b304
+// TypesFromSerializers CacheKey c2d167325e7342eba01d0a78482d6d76
 //
 // DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
 import type Composer from './Composer'
@@ -7,7 +7,7 @@ import type Video from './Video'
 export default interface SongWithVideos {
   id: number
   composer: Composer
-  genre: "disco" | "rock" | "classical"
+  genre: "fingerstyle" | "rock" | "classical"
   tempo: "slow" | "medium" | "fast"
   title?: string
   videos: Video[]

playground/vanilla/app/serializers/composer_with_songs_serializer.rb

@@ -1,3 +1,7 @@
 class ComposerWithSongsSerializer < ComposerSerializer
-  has_many :songs, serializer: ModelSerializer
+  class SongSerializer < BaseSerializer
+    attributes(:id, :title)
+  end
+
+  has_many :songs, serializer: SongSerializer
 end

spec/types_from_serializers/__snapshots__/interfaces_ComposerWithSongsSerializer.snap

@@ -1,12 +1,12 @@
-// TypesFromSerializers CacheKey 1e3a5dea8847b2dcfe76fec134589cbb
+// TypesFromSerializers CacheKey 9111c6d881174b0013582fa6366868db
 //
 // DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
-import type Model from './Model'
+import type ComposerWithSongsSong from './ComposerWithSongs/Song'
 
 export default interface ComposerWithSongs {
   id: number
   firstName?: string
   lastName?: string
   name: string
-  songs: Model[]
+  songs: ComposerWithSongsSong[]
 }

spec/types_from_serializers/__snapshots__/interfaces_ComposerWithSongsSerializer__SongSerializer.snap

@@ -0,0 +1,8 @@
+// TypesFromSerializers CacheKey a69c0dbcc904740e5de89181ef4b2837
+//
+// DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
+
+export default interface ComposerWithSongsSong {
+  id: number
+  title?: string
+}

spec/types_from_serializers/__snapshots__/namespace_interfaces_ComposerWithSongsSerializer.snap

@@ -1,7 +1,7 @@
-// TypesFromSerializers CacheKey 1e3a5dea8847b2dcfe76fec134589cbb
+// TypesFromSerializers CacheKey 9111c6d881174b0013582fa6366868db
 //
 // DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
-import type Model from './Model'
+import type ComposerWithSongsSong from './ComposerWithSongs/Song'
 
 declare global {
   namespace Schema {
@@ -10,7 +10,7 @@ declare global {
       firstName?: string
       lastName?: string
       name: string
-      songs: Model[]
+      songs: ComposerWithSongsSong[]
     }
   }
 }

spec/types_from_serializers/__snapshots__/namespace_interfaces_ComposerWithSongsSerializer__SongSerializer.snap

@@ -0,0 +1,13 @@
+// TypesFromSerializers CacheKey a69c0dbcc904740e5de89181ef4b2837
+//
+// DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
+export {}
+
+declare global {
+  namespace Schema {
+    interface ComposerWithSongsSong {
+      id: number
+      title?: string
+    }
+  }
+}

spec/types_from_serializers/generator_spec.rb

@@ -13,13 +13,14 @@
       SongWithVideosSerializer
       ModelSerializer
       ComposerWithSongsSerializer
+      ComposerWithSongsSerializer::SongSerializer
       ComposerSerializer
       SnakeComposerSerializer
     ]
   }
 
   def file_for(dir, name, ext)
-    dir.join("#{name.chomp("Serializer").gsub("::", "/")}.#{ext}")
+    dir.join("#{TypesFromSerializers.config.name_from_serializer.call(name).gsub("::", "/")}.#{ext}")
   end
 
   def app_file_for(name, ext = "ts")

types_from_serializers/lib/types_from_serializers/generator.rb

@@ -38,6 +38,11 @@ def ts_filename
         TypesFromSerializers.config.name_from_serializer.call(name).gsub("::", "/")
       end
 
+      # Internal: If the serializer was defined inside a file.
+      def inline_serializer?
+        name.include?("Serializer::")
+      end
+
       # Internal: The TypeScript properties of the serialzeir interface.
       def ts_properties
         @ts_properties ||= begin
@@ -312,9 +317,7 @@ def generate_index_file
     # Internal: Checks if it should avoid generating an interface.
     def skip_serializer?(serializer)
       serializer.name.in?(config.base_serializers) ||
-        config.skip_serializer_if.call(serializer) ||
-        # NOTE: Ignore inline serializers.
-        serializer.ts_name.include?("Serializer")
+        config.skip_serializer_if.call(serializer)
     end
 
     # Internal: Returns an object compatible with FileUpdateChecker.
@@ -362,7 +365,9 @@ def default_config(root)
         output_dir: root.join(defined?(ViteRuby) ? ViteRuby.config.source_code_dir : "app/frontend").join("types/serializers"),
 
         # Remove the serializer suffix from the class name.
-        name_from_serializer: ->(name) { name.delete_suffix("Serializer") },
+        name_from_serializer: ->(name) {
+          name.split("::").map { |n| n.delete_suffix("Serializer") }.join("::")
+        },
 
         # Types that don't need to be imported in TypeScript.
         global_types: [
@@ -420,7 +425,7 @@ def serializers_index_content(serializers)
       <<~TS
         //
         // DO NOT MODIFY: This file was automatically generated by TypesFromSerializers.
-        #{serializers.map { |s|
+        #{serializers.reject(&:inline_serializer?).map { |s|
           "export type { default as #{s.ts_name} } from './#{s.ts_filename}'"
         }.join("\n")}
       TS