let build_id = "";

async function fetch_build_id()
{
    const response = await fetch("/build-id");
    const json = await response.json();
    return json.build_id;
}

(async function() {
    build_id = await fetch_build_id();
})();


const asyncIntervals = [];

const runAsyncInterval = async (cb, interval, intervalIndex) => {
  await cb();
  if (asyncIntervals[intervalIndex]) {
    setTimeout(() => runAsyncInterval(cb, interval, intervalIndex), interval);
  }
};

const setAsyncInterval = (cb, interval) => {
  if (cb && typeof cb === "function") {
    const intervalIndex = asyncIntervals.length;
    asyncIntervals.push(true);
    runAsyncInterval(cb, interval, intervalIndex);
    return intervalIndex;
  } else {
    throw new Error('Callback must be a function');
  }
};

const clearAsyncInterval = (intervalIndex) => {
  if (asyncIntervals[intervalIndex]) {
    asyncIntervals[intervalIndex] = false;
  }
};

setAsyncInterval(async function () {
    let new_build_id = await fetch_build_id();
    if (build_id !== new_build_id) {
        location.reload(true);
    }
}, 1000);