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Roadmap

This file is intended to be an up to date roadmap for future work on react-apollo. It does not cover patch level changes and some minor changes may be missed. Checkout the Changelog for detailed release information.

2.0

In the 2.0 we want to ensure support for Apollo Client 2.0. It will remove the direct dependency of apollo-client to prevent the need for a breaking change with Apollo Client has one in the future. Since React Apollo exports Apollo Client, the 2.0 of Apollo Client requires a semver breaking change of React Apollo.

Nothing should actually change in your React app with the 2.0 (expect it'll be faster 🎉). The 2.0 is nearly 100% backwards compatiable with the 1.* expect for the removal of Redux store management in the Provider!

2.1

The 2.1 of react-apollo will feature quite a lot of new features while being 100% backwards compatiable to the 2.0 version so its just a minor version bump. The 2.1 will be a large reorganization of this project and include first class support for Preact and Inferno usage.

The 2.1 will split up this project into a lerna repository with both examples and multiple packages. What is currently react-apollo will be split into the following new (planned) packages:

  • apollo-component
  • react-apollo
  • preact-apollo
  • inferno-apollo
  • react-server-async (getDataFromTree and improved versions)
  • preact-server-async (if needed to be different from ^^)
  • reason-react-apollo (Bucklescript bindings)
  • apollo-component-test-utils

Apollo Component

Apollo Component is the new underlying library that powers all of the view level packages. It will export out an ApolloProvider for putting apollo in the context of the react tree, a new component based suite of API's, and an expanded HOC suite. The raw components will be used by the libraries to determine what Component class to use.

ApolloProvider The ApolloProvider will remove any reference to Redux and a concept of the store. Instead, it will accept a client and include it the context. QueryRecycler should be able to be removed in favor of first class recycle support in the 2.1 of Apollo Client.

Higher Order Components The current graphql API will stay the same with the one change of allowing a function instead of just a DocumentNode for the first argument. This will no longer be the reccomended way to use react-apollo, instead we will promote the new HOC's and/or the Component methods. However, this will allow for dynamic operations based on props.

graphql(DocumentNode || (props) => DocumentNode, {
  skip: (props) => boolean,
  options: (props) => boolean,
  name: string
  props: ({ ownProps, data }) => any
});

Along with graphql, the new package will export out query, mutation, and subscription which will be tuned for the specific operations.

// query
query((ownProps) => ({
  query: DocumentNode
  options: QueryOptions
  skip: boolean,
  props: (data) => any
}))

// mutation
mutation((ownProps) => ({
  mutation: DocumentNode,
  options: MutationOptions,
  props: (data) => any
}))

// subscription
subscription((ownProps) => ({
  subscription: DocumentNode,
  options: SubscriptionOptions,
  skip: boolean,
  props: (data) => any
}))

They're may be more features added to these HOC's during full design.

Query A new way to interact with Apollo and React, the Query component will allow using Apollo without an higher order component. It will allow for dynamic queries and options driven by props while using a render prop to manage controlling props. A rough draft of this component looks like this:

<Query
  skip={boolean}
  options={QueryOptions}
  loading={(result?) => Component || null}
  error={(result?) => Component || null}
  render={result => Component}
/>

Mutation Like the Query component, the Mutation component will allow using Apollo without an HOC but still get all of the benefits of Apollo. The rough draft looks something like this:

<Mutation stateUpdater={this.setState} options={MutationOptions} render={result => Component} />

The stateUpdater prop allows for setting local component state based on the state of the latest mutation fired or potentially allow a Map of results and statues. This API is still early and may change.

Subscription Much like the other two component driven ways outlined above, Subscription will function much like Query. This design is still very much in flux and feedback is very welcome!

React || Preact || Inferno

Due to the refactoring of the library, the 2.1 will allow first class support for API matching implementations of React.

SSR

We think SSR is one of the best features of React Apollo and want to continue to improve it! The 2.1 will feature a new option called ssrPolicy which will allow you to skip (same as ssr: false), fetch the data but stop the tree render (ssrPolicy: 'hydrate') or do a full render (same as ssr: true).

Along with this change, we have high hopes for merging the async data fetching this library currently provides with a new renderToStreamWithData function to match React's renderToStream function (or possibly PR it into React :fingerscrossed:). This will allow rendering and fetching data to happen together and return a stream directly to the request. It should be the most efficient way to do SSR while still fetching data.

Reason

With the lerna refactor, we will be able to start providing official bucklescript bindings for both Apollo Client and React Apollo 🎉. If you would like to help with this PLEASE reach out on slack!

Test Utils

Testing of Apollo is currently harder than it should be. The test utils will become its own package (though /test-utils) won't change so its not breaking. This API is still in early sketch!