AppSync SDK
Github: aws-mobile-appsync-sdk-js
Install Dependencies
Yarn
yarn add aws-appsync
or
NPM
npm install --save aws-appsync
Configure Apollo
import AWSAppSyncClient from "aws-appsync";
import AppSyncConfig from "./aws-exports";
import { ApolloProvider } from "react-apollo";
import { Rehydrated } from "aws-appsync-react"; // this needs to also be installed when working with React
import App from "./App";
const client = new AWSAppSyncClient({
  url: AppSyncConfig.aws_appsync_graphqlEndpoint,
  region: AppSyncConfig.aws_appsync_region,
  auth: {
    type: AppSyncConfig.aws_appsync_authenticationType,
    apiKey: AppSyncConfig.aws_appsync_apiKey,
    // jwtToken: async () => token, // Required when you use Cognito UserPools OR OpenID Connect. Token object is obtained previously
    // credentials: async () => credentials, // Required when you use IAM-based auth.
  },
});
const WithProvider = () => (
  <ApolloProvider client={client}>
    <Rehydrated>
      <App />
    </Rehydrated>
  </ApolloProvider>
);
export default WithProvider;
Call API
import gql from "graphql-tag";
import { graphql } from "react-apollo";
const listPosts = gql`
  query listPosts {
    listPosts {
      items {
        id
        name
      }
    }
  }
`;
class App extends Component {
  render() {
    return (
      <div>
        {this.props.posts.map((post, index) => (
          <h2 key={post.id ? post.id : index}>{post.name}</h2>
        ))}
      </div>
    );
  }
}
export default graphql(listPosts, {
  options: {
    fetchPolicy: "cache-and-network",
  },
  props: (props) => ({
    posts: props.data.listPosts ? props.data.listPosts.items : [],
  }),
})(App);