@reliverse/rse/bin/app/better/auth/(utils)/format-ms.js

@reliverse/rse is your all-in-one companion for bootstrapping and improving any kind of projects (especially web apps built with frameworks like Next.js) — whether you're kicking off something new or upgrading an existing app. It is also a little AI-power

export function formatMilliseconds(ms) {
  if (ms < 0) {
    throw new Error("Milliseconds cannot be negative");
  }
  if (ms < 1e3) {
    return `${ms}ms`;
  }
  const seconds = Math.floor(ms / 1e3);
  const milliseconds = ms % 1e3;
  return `${seconds}s ${milliseconds}ms`;
}