splatoon3.ink/app/splatnet/index.mjs

import NsoClient, { regionTokens } from './NsoClient.mjs';
import SplatNet3Client, { SPLATNET3_WEB_SERVICE_ID } from './SplatNet3Client.mjs';

/**
 * Cache Warming
 *
 * This helps ensure we have reliable access to the SplatNet 3 API,
 * even if e.g. the imink API has intermittent downtime.
 */
export async function warmCaches() {
  console.info('Warming caches...');

  for (let [region, token] of Object.entries(regionTokens())) {
    if (!token) {
      console.warn('Session token not set for region %s', region);
      continue;
    }

    await warmCache(region);
  }
}

export async function warmCache(region) {
  let nso = NsoClient.make(region);
  let splatnet = new SplatNet3Client(nso);

  await safe(() => nso.getCoralApi(false));
  await safe(() => nso.getWebServiceToken(SPLATNET3_WEB_SERVICE_ID, false));
  await safe(() => splatnet.getBulletToken(false));
}

async function safe(callable) {
  try {
    await callable();
  } catch (e) {
    console.error(e);
  }
}