Function randomString

apps/web/src/scripts/usage/benchmark-insert-usage.ts:21–32

(avgLen: number, minLen: number, maxLen: number)

}

function randomString(avgLen: number, minLen: number, maxLen: number): string {
  const len = Math.max(
    minLen,
    Math.min(maxLen, Math.round(avgLen + (Math.random() - 0.5) * (maxLen - minLen)))
  );
  const chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_./';
  let result = '';
  for (let i = 0; i < len; i++) {
    result += chars[Math.floor(Math.random() * chars.length)];
  }
  return result;
}

function maybeNull<T>(value: T, nullPct: number): T | null {
  return Math.random() * 100 < nullPct ? null : value;