Function formatParts

javascript/packages/core/lib/compatible/scalar.ts:422–444

(value: DecimalParts, forceDecimal: boolean)

}

function formatParts(value: DecimalParts, forceDecimal: boolean): string {
  const normalized = normalizeParts(value);
  if (normalized.unscaled === 0n) {
    if (normalized.negativeZero) {
      return forceDecimal ? "-0.0" : "-0";
    }
    return forceDecimal ? "0.0" : "0";
  }
  const negative = normalized.unscaled < 0n;
  const digits = (
    negative ? -normalized.unscaled : normalized.unscaled
  ).toString();
  let result: string;
  if (normalized.scale === 0) {
    result = forceDecimal ? `${digits}.0` : digits;
  } else if (digits.length > normalized.scale) {
    const split = digits.length - normalized.scale;
    result = `${digits.slice(0, split)}.${digits.slice(split)}`;
  } else {
    result = `0.${"0".repeat(normalized.scale - digits.length)}${digits}`;
  }
  return negative ? `-${result}` : result;
}

function partsEqual(left: DecimalParts, right: DecimalParts): boolean {
  const l = normalizeParts(left);