ActiveModelSerializers is undergoing some renovations. See Development Status.
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If you're reading this at https://github.com/rails-api/active_model_serializers you are
reading documentation for our
master, which is not yet released.
|0.10 (0-10-stable) Documentation||Guides|
|0.9 (0-9-stable) Documentation|
|0.8 (0-8-stable) Documentation|
Status of AMS
❗️All existing PRs against master will need to be closed and re-opened against 0-10-stable, if so desired ❗️Master, for the moment, won't have any released version of AMS on it. 👀See below for alternatives
Changes to 0.10.x maintenance:
- The 0.10.x version has become a huge maintenance version. We had hoped to get it in shape for a 1.0 release, but it is clear that isn't going to happen. Almost none of the maintainers from 0.8, 0.9, or earlier 0.10 are still working on AMS. We'll continue to maintain 0.10.x on the 0-10-stable branch, but maintainers won't otherwise be actively developing on it.
- We may choose to make a 0.11.x ( 0-11-stable) release based on 0-10-stable that just removes the deprecations.
What's happening to AMS:
- There's been a lot of churn around AMS since it began back in Rails 3.2 and a lot of new libraries are around and the JSON:API spec has reached 1.0.
- If there is to be a 1.0 release of AMS, it will need to address the general needs of serialization in much the way ActiveJob can be used with different workers.
- The next major release is in development. We're starting simple and avoiding, at least at the outset, all the complications in AMS version, especially all the implicit behavior from guessing the serializer, to the association's serializer, to the serialization type, etc.
- The basic idea is that models to serializers are a one to many relationship. Everything will need to be explicit. If you want to serialize a User with a UserSerializer, you'll need to call it directly. The serializer will essentially be for defining a basic JSON:API resource object: id, type, attributes, and relationships. The serializer will have an as_json method and can be told which fields (attributes/relationships) to serialize to JSON and will likely not know serialize any more than the relations id and type. Serializing anything more about the relations would require code that called a serializer. (This is still somewhat in discussion).
- If this works out, the idea is to get something into Rails that existing libraries can use.
See PR 2121 where these changes were introduced for more information and any discussion.
- jsonapi-rb is a highly performant and modular JSON:API-only implementation. There's a vibrant community around it that has produced projects such as JSON:API Suite.
- fast_jsonapi is a lightning fast JSON:API serializer for Ruby Objects from the team of Netflix.
- jsonapi-resources is a popular resource-focused framework for implementing JSON:API servers.
For benchmarks against alternatives, see https://github.com/rails-api/active_model_serializers/tree/benchmarks
This project adheres to semver