supabase/examples/nextjs-live-tracker-map/lib/utils.js

export function RoundToFixDecimals(value, numDecimals = 5) {
  function addZero(s, size) {
    while (s.length <= (size || 2)) {
      s = s + "0";
    }
    return s;
  }

  const temp = addZero("1", numDecimals);
  const tempNum = parseInt(temp, 10);
  return Math.round((value + Number.EPSILON) * tempNum) / tempNum;
}