apollo-client-setup

apollo.js

import { ApolloClient, HttpLink, InMemoryCache } from "@apollo/client";
import { offsetLimitPagination } from "@apollo/client/utilities";
import { setContext } from "@apollo/link-context";
import { GRAPHQL_API_URL } from "react-native-dotenv";
import Firebase from "./firebase";

const asyncAuthLink = setContext(async () => {
	return {
		headers: {
			Authorization: `Bearer ${await Firebase.auth().currentUser.getIdToken()}`,
		},
	};
});

const httpLink = new HttpLink({
	uri: GRAPHQL_API_URL,
});

export const apolloClient = new ApolloClient({
	cache: new InMemoryCache(
		{
			typePolicies: {
				Query: {
					fields: {
						feed:
							offsetLimitPagination()

					}
				}
			}
		}
	),
	link: asyncAuthLink.concat(httpLink),
});