Listening for Sanity dataset changes and causing Eleventy rebuild

listen.js

require("dotenv").config();
const fs = require("fs");
const { groqStore, groq } = require("@sanity/groq-store");

const store = groqStore({
  projectId: process.env.SANITY_PROJECT_ID,
  dataset: process.env.SANITY_DATASET,
  listen: true,
  overlayDrafts: true,
  token: process.env.SANITY_TOKEN || "",
});

const sub = store.subscribe(
  groq`*[_type == $type][]`,
  { type: "post" },
  (err, result) => {
    if (err) {
      console.error(err);
      return;
    }

    fs.writeFileSync("./views/_data/posts.json", JSON.stringify(result));
  }
);

process.stdin.resume();
process.on("SIGINT", function () {
  sub.unsubscribe();
  store.close();
  process.exit();
});