wychdev-nextjs/graphql/apolloClient.tsx

import { 
	ApolloClient, 
	InMemoryCache, 
	createHttpLink
} from "@apollo/client";

import { setContext } from "@apollo/client/link/context";

export async function createClient() {
	const httpLink = createHttpLink({
		uri: "https://api.github.com/graphql",
	});

	const authLink = setContext((_, { headers }) => {
		return {
			headers: {
				...headers,
				authorization: `Bearer ${process.env.GITHUB_ACCESS_TOKEN}`, 
			}
		}
	});

	const client = new ApolloClient({
		link: authLink.concat(httpLink),
		cache: new InMemoryCache()
	});

	return client;
}