export const notNullAndEmpty = (s: string | null) => {
  return s != null && s.length > 0;
};

export const numberWithCommas = (x: number = 0): string => {
  return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',');
};

export const joinWorkspaceImg = (img: string): string => {
  return `${window.location.origin}/workspace/${
    img.startsWith('/') ? img.substring(1) : img
  }`;
};

export const isUrl = (url: string): boolean => {
  const regexp = /^(ht|f)tp(s?):\/\/[0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*(:(0-9)*)*(\/?)([a-zA-Z0-9\-.?,'/\\+&%$#_]*)?$/;
  return regexp.test(url);
};