next.js/examples/cms-sitecore-xmcloud/scripts/fetch-graphql-introspection-data.ts

import { GraphQLRequestClient } from "@sitecore-jss/sitecore-jss-nextjs";
import fs from "fs";
import { getIntrospectionQuery } from "graphql";

// This script load graphql introspection data in order to use graphql code generator and generate typescript types
// The `jss graphql:update` command should be executed when Sitecore templates related to the site are altered.

let jssConfig;

try {
  // eslint-disable-next-line
  jssConfig = require("../src/temp/config");
} catch (e) {
  console.error(
    "Unable to require JSS config. Ensure `jss setup` has been run, and the app has been started at least once after setup.",
  );
  console.error(e);
  process.exit(1);
}

console.log(
  `Fetch graphql introspection data from ${jssConfig.graphQLEndpoint}...`,
);

const client = new GraphQLRequestClient(jssConfig.graphQLEndpoint, {
  apiKey: jssConfig.sitecoreApiKey,
});

client
  .request(getIntrospectionQuery())
  .then((result) => {
    fs.writeFile(
      "./src/temp/GraphQLIntrospectionResult.json",
      JSON.stringify(result, null, 2),
      (err) => {
        if (err) {
          console.error("Error writing GraphQLIntrospectionResult file", err);
          return;
        }

        console.log("GraphQL Introspection Data successfully fetched!");
      },
    );
  })
  .catch((e) => {
    console.error(e);
    process.exit(1);
  });