tf2-rtp-calculator/src/shared/roundNumToPlace.ts

An RTP calculator for Team Fortress 2 crate unbox sessions

export function roundNumToPlace(num: number, places: number): number {
  if (places < 0) {
    throw new Error("Number of places must be non-negative");
  }
  const factor = Math.pow(10, places);
  return Math.round(num * factor) / factor;
}