Support transform keys for OjSerializers & AMS

CHANGELOG.md

@@ -9,7 +9,7 @@ and this project adheres to [Semantic Versioning].
 
 ### Added
 
-- Support Alba transform keys (see [Alba docs](https://github.com/okuramasafumi/alba?tab=readme-ov-file#key-transformation)). ([@patvice])
+- Support transform keys. ([@patvice, @skryukov])
 
 - Support for deprecated attributes. ([@Envek])
 

lib/typelizer/serializer_plugins/ams.rb

@@ -19,8 +19,9 @@ def typelize_method_transform(method:, name:, binding:, type:, attrs:)
       def properties
         serializer._attributes_data.merge(serializer._reflections).flat_map do |key, association|
           type = association.options[:serializer] ? Interface.new(serializer: association.options[:serializer]) : nil
+          adapter = ActiveModelSerializers::Adapter.configured_adapter
           Property.new(
-            name: key.to_s,
+            name: adapter.transform_key_casing!(key.to_s, association.options),
             type: type,
             optional: association.options.key?(:if) || association.options.key?(:unless),
             multi: association.respond_to?(:collection?) && association.collection?,

lib/typelizer/serializer_plugins/oj_serializers.rb

@@ -11,7 +11,11 @@ def methods_to_typelize
       end
 
       def properties
-        serializer._attributes
+        transform_keys = serializer.try(:_transform_keys)
+        attributes = serializer._attributes
+        attributes = attributes.transform_keys(&transform_keys) if transform_keys
+
+        attributes
           .flat_map do |key, options|
             if options[:association] == :flat
               Interface.new(serializer: options.fetch(:serializer)).properties

spec/__snapshots__/AmsTransformKeys.ts.snap

@@ -0,0 +1,16 @@
+// Typelizer digest 33937e09714b42648ac9414bb04c6834
+//
+// DO NOT MODIFY: This file was automatically generated by Typelizer.
+import type {AmsUser, AmsPost} from '@/types'
+
+type AmsTransformKeys = {
+  /** Unique identifier */
+  id: string | null;
+  username: string;
+  active: boolean;
+  createdAt: string;
+  invitor: AmsUser;
+  posts: Array<AmsPost>;
+}
+
+export default AmsTransformKeys;

spec/__snapshots__/OjSerializersTransformKeys.ts.snap

@@ -0,0 +1,15 @@
+// Typelizer digest 6395b48daf28e8585e1bac96f227a242
+//
+// DO NOT MODIFY: This file was automatically generated by Typelizer.
+import type {OjSerializersUser, OjSerializersPost} from '@/types'
+
+type OjSerializersTransformKeys = {
+  id: number;
+  username: string;
+  active: boolean;
+  invitor: OjSerializersUser;
+  posts: Array<OjSerializersPost>;
+  createdAt: string;
+}
+
+export default OjSerializersTransformKeys;

spec/__snapshots__/index.ts.snap

@@ -1,4 +1,4 @@
-// Typelizer digest afd77645c65867552ccc98f9e92071a4
+// Typelizer digest 595dcb8625a1239161618071ca1c1e85
 //
 // DO NOT MODIFY: This file was automatically generated by Typelizer.
 export type { default as AlbaInline } from './AlbaInline'
@@ -13,13 +13,15 @@ export type { default as AlbaUser } from './AlbaUser'
 export type { default as AlbaUserSerializerFoo } from './AlbaUserSerializerFoo'
 export type { AlbaVerbatimModuleSyntax } from './AlbaVerbatimModuleSyntax'
 export type { default as AmsPost } from './AmsPost'
+export type { default as AmsTransformKeys } from './AmsTransformKeys'
 export type { default as AmsUserAuthor } from './AmsUserAuthor'
 export type { default as AmsUserEmptyNested } from './AmsUserEmptyNested'
 export type { default as AmsUser } from './AmsUser'
 export type { default as AmsUserSerializerFoo } from './AmsUserSerializerFoo'
 export type { AmsVerbatimModuleSyntax } from './AmsVerbatimModuleSyntax'
 export type { default as OjSerializersFlatUser } from './OjSerializersFlatUser'
 export type { default as OjSerializersPost } from './OjSerializersPost'
+export type { default as OjSerializersTransformKeys } from './OjSerializersTransformKeys'
 export type { default as OjSerializersUserAuthor } from './OjSerializersUserAuthor'
 export type { default as OjSerializersUserEmptyNested } from './OjSerializersUserEmptyNested'
 export type { default as OjSerializersUser } from './OjSerializersUser'

spec/app/app/serializers/ams/transform_keys_serializer.rb

@@ -0,0 +1,5 @@
+module Ams
+  class TransformKeysSerializer < UserSerializer
+    attribute :created_at, key_transform: :camel_lower
+  end
+end

spec/app/app/serializers/oj_serializers/transform_keys_serializer.rb

@@ -0,0 +1,7 @@
+module OjSerializers
+  class TransformKeysSerializer < UserSerializer
+    attribute :created_at
+
+    transform_keys :camel_case
+  end
+end