Function isValidURL

src/utils/helpers.ts:10–17

(url: string)

const isJSONFile = (url: string): boolean =>
  url.toLowerCase().endsWith(".json");
const isValidURL = (url: string): boolean => {
  try {
    new URL(url);
    return true;
  } catch (e) {
    return false;
  }
};

const isValidJSONString = (content: string): boolean => {
  try {