apollo-as-integrations-fastify+graphql-jit.js

"use strict";

const { ApolloServer } = require("@apollo/server");
const {
  default: fastifyApollo,
  fastifyApolloDrainPlugin,
} = require("@as-integrations/fastify");
const { parse } = require("graphql");
const { compileQuery } = require("graphql-jit");
const app = require("fastify")();
const { createApolloSchema } = require("../lib/schemas/createApolloSchema");

const schema = createApolloSchema();

const cache = {};

const server = new ApolloServer({
  schema,
  plugins: [fastifyApolloDrainPlugin(app)],
  executor: ({ source, context }) => {
    if (!(source in cache)) {
      const document = parse(source);
      cache[source] = compileQuery(schema, document);
    }

    return cache[source].query({}, context, {});
  },
});
server.start().then(() => {
  app.register(fastifyApollo(server));
  app.listen({
    port: 4001,
  });
});