export default class StringUtils {
  public static capitalize(input: string): string {
    const words = input.split(" ");
    const capitalizedWords = words.map((word) => {
      if (word.length === 0) return word;
      return word.charAt(0).toUpperCase() + word.slice(1).toLowerCase();
    });
    return capitalizedWords.join(" ");
  }

  public static isKebabCase(str: string): boolean {
    return /^[a-z0-9]+(-[a-z0-9]+)*$/.test(str);
  }

  public static formatNumberWithCommas(value: string, decimals?: number) {
    if (decimals === undefined || +(+value) > Number.MAX_SAFE_INTEGER) {
      const parts = value.split(".");
      parts[0] = parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, ",");
      return parts[1] === "0" ? parts[0] : parts.join(".");
    } else {
      const parts = String(+(+value).toFixed(decimals)).split(".");
      parts[0] = parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, ",");
      return parts.join(".");
    }
  }
}