@daimo/pay/build/src/utils/polling.js

Seamless crypto payments. Onboard users from any chain, any coin into your app with one click.

function startPolling({
  key,
  intervalMs,
  pollFn,
  onResult,
  onError,
  log = console.log,
  debugMode = false
}) {
  let active = true;
  let timer;
  const stop = () => {
    active = false;
    clearTimeout(timer);
    if (debugMode) {
      log(`[POLL] ${key} stopped`);
    }
  };
  const tick = async () => {
    if (debugMode) {
      log(`[POLL] polling ${key}`);
    }
    try {
      const res = await pollFn();
      if (!active) return;
      if (debugMode) {
        log(`[POLL] ${key} success`);
      }
      onResult(res);
    } catch (e) {
      if (!active) return;
      if (debugMode) {
        log(`[POLL] ${key} error: ${e}`);
      }
      onError(e);
    }
    timer = setTimeout(tick, intervalMs);
  };
  tick();
  return stop;
}

export { startPolling };
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