start of performance

packages/scripts/src/discoverIds/time.ts

@@ -0,0 +1,14 @@
+import { API_RATE } from "./constants";
+
+const MAX_COMPUTE_TIME = (5 * 60 + 55) * 60 * 1000; // 5hr 55min
+
+const t0 = performance.now();
+const t1 = t0 + MAX_COMPUTE_TIME;
+
+export function withinTimeLimit() {
+  return performance.now() < t1;
+}
+
+export function sleep() {
+  return new Promise((resolve) => setTimeout(resolve, 1000 / API_RATE));
+}