エラー処理

import { BeautyEffectEngine, EngineConfig, FacebetterError } from 'facebetter';

try {
  const licenseToken = await fetch('/api/facebetter/auth', { method: 'POST' }).then((r) => r.text());
  const engine = new BeautyEffectEngine(new EngineConfig({ licenseToken }));
  await engine.init();
  engine.setSmoothing(0.5);
} catch (error) {
  if (error instanceof FacebetterError) {
    console.error(error.code, error.message);
  } else {
    console.error(error);
  }
}

try {
  await engine.init({ timeout: 30000 });
} catch (error) {
  if (!(error instanceof FacebetterError)) throw error;
  if (error.code === 'LICENSE_ERROR' || error.code === -3) {
    // token missing, expired, or domain not bound — see /ja/intro/license
  } else if (error.code === 'WASM_LOAD_ERROR' || error.code === 'TIMEOUT') {
    // network, CDN, or ad blocker
  }
}