twenty/packages/twenty-docs/src/pages/graphql.tsx

import { createGraphiQLFetcher } from "@graphiql/toolkit";
import { GraphiQL } from "graphiql";
import React from "react";
import Layout from "@theme/Layout";
import BrowserOnly from "@docusaurus/BrowserOnly";

import "graphiql/graphiql.css";

// Docusaurus does SSR for custom pages but we need to load GraphiQL in the browser
const GraphiQLComponent = () => {
  if (
    !window.localStorage.getItem("graphiql:theme") &&
    window.localStorage.getItem("theme") != "dark"
  ) {
    window.localStorage.setItem("graphiql:theme", "light");
  }

  const fetcher = createGraphiQLFetcher({url: "https://api.twenty.com/graphql"});
  return (
    <div className="fullHeightPlayground">
      <GraphiQL fetcher={fetcher} />;
    </div>
  );
};

const graphQL = () => (
  <Layout
    title="GraphQL Playground"
    description="GraphQL Playground for Twenty"
  >
    <BrowserOnly>{() => <GraphiQLComponent />}</BrowserOnly>
  </Layout>
);

export default graphQL;