check-valid-url

URL Validator Kit

A Node.js module to check whether a string is a valid URL.

Installation

Install the package via npm:

npm install check-valid-url --save

Usage

Import the module into your project:

const { isUrl } = require('check-valid-url');

const url = 'https://www.example.com';
const isValidUrl = isUrl(url);

if (isValidUrl) {
  console.log('Valid URL');
} else {
  console.log('Not a valid URL');
}

The isUrl function returns true if the provided string is a valid URL; otherwise, it returns false.

API

1. isUrl(text) Checks whether the provided string text is a valid URL.

   • text: The string to be checked.

   Returns true if text is a valid URL; otherwise, returns false.

2. isValidUrl(url, callback):

   • url (string): The URL to validate.

   • callback (Function): A callback function to handle the result. Parameters:

     • err (Error | null): An error object if an error occurs; otherwise, null.
     • isValid (boolean | undefined): true if the URL responds with a successful status code; false or undefined in case of an error.

Example

isUrl: Check if a string is a valid URL.

const { isUrl } = require('check-valid-url');

const url = 'https://www.example.com';
const isValidUrl = isUrl(url);

console.log(isValidUrl); // Output: true

isValidUrl: Check if a URL responds with a successful status code (2xx or 3xx).

const { isValidUrl } = require('check-valid-url');

const url = 'https://www.example.com';
isValidUrl(url, (err, isValid) => {
    if (err) {
        console.error(err); // Handle error
    } else {
        console.log(isValid); // Output: true or false
    }
});

Testing

To run the tests, use:

npm test