chore: add benchmarks (#2229)

* chore: add benchmarks

* upgrade deps

* fixes

* lint

1 files changed, 31 insertions, 0 deletions

diff --git a/packages/benchmarks/src/utils.ts b/packages/benchmarks/src/utils.ts
new file mode 100644
index 00000000..cfb00723
--- /dev/null
+++ b/packages/benchmarks/src/utils.ts
@@ -0,0 +1,31 @@
+export function sleep(ms: number): Promise<void> {
+  return new Promise((resolve) => setTimeout(resolve, ms));
+}
+
+export async function waitUntil(
+  fn: () => Promise<boolean>,
+  description: string,
+  timeoutMs = 60000,
+  intervalMs = 1000,
+): Promise<void> {
+  const start = Date.now();
+  while (Date.now() - start < timeoutMs) {
+    try {
+      if (await fn()) {
+        return;
+      }
+    } catch {
+      // Ignore and retry
+    }
+    await sleep(intervalMs);
+  }
+  throw new Error(`${description} timed out after ${timeoutMs}ms`);
+}
+
+export function formatNumber(num: number, fractionDigits = 2): string {
+  return num.toFixed(fractionDigits);
+}
+
+export function formatMs(ms: number): string {
+  return `${formatNumber(ms, ms >= 10 ? 1 : 2)} ms`;
+}