Working with GraphQL over HTTP

fetch("/graphql", {
  method: "POST",
  headers: { "Content-Type": "application/json", "Accept": "application/graphql-response+json" },
  body: JSON.stringify({
    query: "query U($id: ID!) { user(id: $id) { name } }",
    variables: { id: "1" },
    operationName: "U"
  })
});

GET /graphql?query={me{id}}&variables=%7B%7D&operationName=GetMe

import cors from "cors";

app.use(cors({
  origin: ["https://app.example.com"],
  credentials: true,
  allowedHeaders: ["Content-Type", "Authorization", "Apollo-Require-Preflight"],
  methods: ["POST", "GET", "OPTIONS"]
}));