is-valid-domain-extension

• NPM package that allows you to check if the URL has a legit and a valid domain extension!
• Supports all of the domain extensions available over the world!
• Supports all domain extensions even with punny codes such as: .சிங்கப்பூர், .онлайн, .كاثوليك, .新加坡, .ভারত, .భారత్ and so on (yes, they are legit domain extensions)
• Package automatically checks for the latest list of domain extensions from Internet Assigned Numbers Authority
• See examples below

Install NPM

$ npm i is-valid-domain-extension

Usage

• Returns a Boolean indicating whether string is a legit and a valid domain extension
• It will return false if the string is empty or if it desn't start with http://, https:// or www.

Examples

CommonJS

const isValidDomainExtension = require('is-valid-domain-extension');

(async () => {
    // --| Returns: true
    // --| Returns true as valid and legit the following examples
    if (await isValidDomainExtension('www.exampleurl.香港')) {
        console.log('This a legit and a valid domain extension! 🍩');
    }

    if (await isValidDomainExtension('http://exampleurl.みんな')); {
        console.log('This a legit and a valid domain extension! 🍩');
    }

    // --| Returns: false
    // --| The following examples return false as not they are not valid url's or domain extensions
    if (!await isValidDomainExtension('https://exampleurl.comdasdsadasdsadasdsa')) {
        console.log('This is not a valid domain extension! 😔');
    }

    if (!await isValidDomainExtension('http://exampleurl.comxxxxxx')) {
        console.log('This is not a valid domain extension! 😔');
    }
})();

ESM

import isValidDomainExtension from 'is-valid-domain-extension';

(async () => {
    // --| Returns: true
    // --| Returns true as valid and legit the following examples
    if (await isValidDomainExtension('www.exampleurl.香港')) {
        console.log('This is a legit and valid domain extension! 🍩');
    }

    if (await isValidDomainExtension('http://exampleurl.みんな')); {
        console.log('This a legit and a valid domain extension! 🍩');
    }

    // --| Returns: false
    // --| The following examples return false as not they are not valid url's or domain extensions
    if (!await isValidDomainExtension('http://exampleurl.comxxxxxx')) {
        console.log('This is not a valid domain extension! 😔');
    }

    if (!await isValidDomainExtension('http://exampleurl.comxxxxxx')) {
        console.log('This is not a valid domain extension! 😔');
    }
})();

TypeScript

import isValidDomainExtension = require('is-valid-domain-extension');

(async () => {
    // --| Valid domain examples
    const validDomains: string[] = [
        'www.exampleurl.香港',
        'http://exampleurl.みんな',
        'http://exampleurl.العليان',
        'www.exampleurl.wolterskluwer'
    ];

    for (const url of validDomains) {
        const isValid: boolean = await isValidDomainExtension(url);

        if (isValid) {
            console.log(`✅ ${url} is a legit and valid domain extension! 🍩`);
        }
    }

    // --| Invalid domain examples
    const invalidDomains: string[] = [
        'https://exampleurl.comdasdsadasdsadasdsa',
        'http://exampleurl.comxxxxxx',
        'http://exampleurl'
    ];

    for (const url of invalidDomains) {
        const isValid: boolean = await isValidDomainExtension(url);

        if (!isValid) {
            console.log(`❌ ${url} is NOT a valid domain extension! 😔`);
        }
    }
})();