fix(whois): improve type safety and harden WHOIS parsing for missing fields

test/test.node.ts

@@ -0,0 +1,45 @@
+import { expect, tap } from '@git.zone/tstest/tapbundle';
+import * as smartwhois from '../ts/index.js';
+
+let testSmartWhois: smartwhois.SmartWhois;
+
+tap.test('should create a valid instance of SmartWhois', async () => {
+  testSmartWhois = new smartwhois.SmartWhois();
+  expect(testSmartWhois).toBeInstanceOf(smartwhois.SmartWhois);
+});
+
+tap.test('should get a parsed url result for whois', async () => {
+  const domainDelegation = await testSmartWhois.getDomainDelegation('https://coffee.link/understanding-gen-z/');
+  console.log(domainDelegation);
+  const parsedUrlResult2 = await testSmartWhois.getDomainDelegation('task.vc');
+  console.log(parsedUrlResult2);
+});
+
+tap.test('should get additional data', async () => {
+  const parsedUrlResult = await testSmartWhois.getAdditionalWhoisDataForDomain('https://coffee.link/understanding-gen-z/');
+  console.log(parsedUrlResult);
+});
+
+tap.test('should get whois info for domain', async () => {
+  const whoisInfo = await testSmartWhois.getWhoisForDomain('task.vc');
+  console.log(whoisInfo);
+});
+tap.test('should get whois info for domain', async () => {
+  const whoisInfo = await testSmartWhois.getWhoisForDomain('https://lossless.com');
+  console.log(whoisInfo);
+});
+
+tap.test('should get whois info for domain', async () => {
+  const whoisInfo = await testSmartWhois.getWhoisForDomain('https://coffee.link/understanding-gen-z/');
+  console.log(whoisInfo);
+});
+
+tap.test('should check for a valid tld', async () => {
+  const comIsValid = await testSmartWhois.isValidTld('.com');
+  console.log(comIsValid);
+  expect(comIsValid).toBeTrue();
+});
+
+export default tap.start({
+  throwOnError: true
+});