Function parseDurationGroup

packages/@internationalized/date/src/string.ts:268–278

(group: string | undefined, isNegative: boolean)

  }

  const parseDurationGroup = (group: string | undefined, isNegative: boolean): number => {
    if (!group) {
      return 0;
    }
    try {
      const sign = isNegative ? -1 : 1;
      return sign * Number(group.replace(',', '.'));
    } catch {
      throw new Error(`Invalid ISO 8601 Duration string: ${value}`);
    }
  };

  const isNegative = !!match.groups?.negative;