A Node.js library providing URL validation functionality to check whether a given string is a valid URL.
npm install check-valid-urlA Node.js module to check whether a string is a valid URL.
Install the package via npm:
``bash`
npm install check-valid-url --save
Import the module into your project:
`js
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');
}
`isUrl
The function returns true if the provided string is a valid URL; otherwise, it returns false.
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.`jsconst { 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).`jsconst { 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:
`bash
npm test
``