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Yash Mittal authored and facebook-github-bot committed 8a5ac93 Jul 14, 2020
According to [the code](, the type should be `PayloadError` instead of `Error`. It also makes it clear that `errors` is not a list of plain JS `Error`s.

Pull Request resolved: #3092

Reviewed By: kassens, tyao1

Differential Revision: D22484305

Pulled By: dadapoof

fbshipit-source-id: edd04f747c5e6cf5ebf8ab6cffea476ce1710911


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Relay Build Status npm version

Relay is a JavaScript framework for building data-driven React applications.

  • Declarative: Never again communicate with your data store using an imperative API. Simply declare your data requirements using GraphQL and let Relay figure out how and when to fetch your data.
  • Colocation: Queries live next to the views that rely on them, so you can easily reason about your app. Relay aggregates queries into efficient network requests to fetch only what you need.
  • Mutations: Relay lets you mutate data on the client and server using GraphQL mutations, and offers automatic data consistency, optimistic updates, and error handling.

See how to use Relay in your own project.


The relay-examples repository contains an implementation of TodoMVC. To try it out:

git clone
cd relay-examples/todo
yarn build
yarn start

Then, just point your browser at http://localhost:3000.


We actively welcome pull requests, learn how to contribute.


We have a community-maintained list of people and projects using Relay in production.


Relay is MIT licensed.

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