From 00d01cfd9c74307840a114da6ff606179bde4011 Mon Sep 17 00:00:00 2001
From: Zack Michener <z@zjm.me>
Date: Sat, 24 Feb 2024 07:16:42 -0800
Subject: [PATCH] Transform relationship keys with shallow field transformation
 options (#314) (#315)

* Transform relationship keys with shallow field transformation options

* bump patch version

* Add line item for other bug fix

---------

Co-authored-by: Mathew Polzin <matt.polzin@gmail.com>
---
 CHANGELOG.md                     | 6 ++++++
 lib/jsonapi/utils/string.ex      | 4 ++++
 mix.exs                          | 2 +-
 test/jsonapi/serializer_test.exs | 3 +++
 4 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 61f66a52..37470999 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,12 @@
 ## NEXT
 ...
 
+## 1.7.1 (2024-02-23)
+* Fix bug where underscore/dasherize misses single characters by @protestContest in https://github.com/beam-community/jsonapi/pull/316
+* Transform relationship keys with shallow field transformation options (#314) by @protestContest in https://github.com/beam-community/jsonapi/pull/315
+
+**Full Changelog**: https://github.com/beam-community/jsonapi/compare/1.7.0...1.7.1
+
 ## 1.7.0 (2024-02-15)
 
 ## What's Changed
diff --git a/lib/jsonapi/utils/string.ex b/lib/jsonapi/utils/string.ex
index e01af9ad..6877d9c4 100644
--- a/lib/jsonapi/utils/string.ex
+++ b/lib/jsonapi/utils/string.ex
@@ -267,6 +267,10 @@ defmodule JSONAPI.Utils.String do
     end)
   end
 
+  def expand_root_keys(key, fun) when is_binary(key) or is_atom(key) do
+    fun.(key)
+  end
+
   def expand_root_keys(value, _fun), do: expand_fields(value, &to_string/1)
 
   defp maybe_expand_fields(values, fun) when is_list(values) do
diff --git a/mix.exs b/mix.exs
index 8a4535c8..ffcc5c5d 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,7 +4,7 @@ defmodule JSONAPI.Mixfile do
   def project do
     [
       app: :jsonapi,
-      version: "1.7.0",
+      version: "1.7.1",
       package: package(),
       compilers: compilers(Mix.env()),
       description: description(),
diff --git a/test/jsonapi/serializer_test.exs b/test/jsonapi/serializer_test.exs
index 65543c3f..14cb113c 100644
--- a/test/jsonapi/serializer_test.exs
+++ b/test/jsonapi/serializer_test.exs
@@ -667,12 +667,15 @@ defmodule JSONAPI.SerializerTest do
       encoded = Serializer.serialize(PostView, data, nil)
 
       attributes = encoded[:data][:attributes]
+      relationships = encoded[:data][:relationships]
       included = encoded[:included]
 
       assert attributes["full-description"] == data[:full_description]
       assert attributes["body"]["data_attr"] == "foo"
       assert attributes["inserted-at"] == data[:inserted_at]
 
+      assert Map.has_key?(relationships, "best-comments")
+
       author = Enum.find(included, &(&1[:type] == "user" && &1[:id] == "2"))
       assert author != nil
       assert author[:attributes]["last-name"] == "bonds"