Two ways to check URL validity. New || Old

check-url-validity.ts

/*
  author: @alwaisy -> github
  reference: https://rahuulmiishra.medium.com/url-canparse-a-game-changer-in-web-development-8b0572f1354c 
*/

/* ======================== old way =================================== */


// Js version
/**
 * Checks if a given string is a valid URL.
 *
 * @param {string} url The string to be checked.
 * @returns {boolean} True if the URL is valid, False otherwise.
 */
function isValidUrl(url) {
  try {
    new URL(url);
    return true;
  } catch (e) {
    console.error("You are a coder, but sorry it's not a valid URL");
    return false;
  }
}

// Example usage
const valid_url = "https://www.google.com/";
const invalid_url = "AmiCoder";

console.log(isValidUrl(valid_url)); // Output: true
console.log(isValidUrl(invalid_url)); // Output: You are a coder, but sorry it's not a valid URL (error message logged to console), false



// TS Version
/**
 * Checks if a given string is a valid URL.
 *
 * @param {string} url The string to be checked.
 * @returns {boolean} True if the URL is valid, False otherwise.
 */
function isValidUrl(url: string): boolean {
  try {
    new URL(url);
    return true;
  } catch (e) {
    console.error("You are a coder, but sorry it's not a valid URL");
    return false;
  }
}

// Example usage
const valid_url: string = "https://www.google.com/";
const invalid_url: string = "AmiCoder";

console.log(isValidUrl(valid_url)); // Output: true
console.log(isValidUrl(invalid_url)); // Output: You are a coder, but sorry it's not a valid URL (error message logged to console), false



/* ======================== new way =================================== */

// JS Version

/**
 * Checks if a given string is a valid URL.
 *
 * @param {string} url The string to be checked.
 * @returns {boolean} True if the URL is valid, False otherwise.
 */
function isValidUrl(url) {
  try {
    return URL.canParse(url);
  } catch (e) {
    return false;
  }
}

// Example usage
const valid_url = "https://amicoder.dev/";
const invalid_url = "AmiCoder";

console.log(isValidUrl(valid_url)); // Output: true
console.log(isValidUrl(invalid_url)); // Output: false


// TS Version
/**
 * Checks if a given string is a valid URL.
 *
 * @param {string} url The string to be checked.
 * @returns {boolean} True if the URL is valid, False otherwise.
 */
function isValidUrl(url: string): boolean {
  try {
    return URL.canParse(url);
  } catch (e) {
    return false;
  }
}

// Example usage
const valid_url = "https://amicoder.dev/";
const invalid_url = "AmiCoder";

console.log(isValidUrl(valid_url)); // Output: true
console.log(isValidUrl(invalid_url)); // Output: false