Modernize codebase with ES modules and TypeScript (#168)

* Test for new sitemap field

* Convert is-url to check-valid-url

* Convert to ES modules and TypeScript: 1) Convert cli.test.js to TypeScript 2) Fix ESModule compatibility with Prettier config 3) Rename eslint.config.mjs to .js

* Update Node.js test matrix to include versions 18, 20, 22, and 24

---------

Co-authored-by: seantomburke <seantomburke@users.noreply.github.com>

Author: seantomburke

.github/workflows/npm-publish.yml

@@ -31,3 +31,10 @@ jobs:
       - run: npm publish
         env:
           NODE_AUTH_TOKEN: ${{secrets.npm_token}}
+
+  test-published-npm:
+    needs: publish-npm
+    runs-on: ubuntu-latest
+    steps:
+      - name: Test published CLI with npx
+        run: npx sitemapper https://wp.seantburke.com/sitemap.xml

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x, 18.x, 20.x]
+        node-version: [18.x, 20.x, 22.x, 24.x]
 
     steps:
       - uses: actions/checkout@v4

.github/workflows/typescript-test.yml

@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x, 20.x] # Use recent Node versions
+        node-version: [18.x, 20.x, 22.x, 24.x] # Use recent Node versions
 
     steps:
       - name: Checkout repository

.prettierrc.js

@@ -1,4 +1,4 @@
-module.exports = {
+export default {
   semi: true,
   trailingComma: 'es5',
   singleQuote: true,

README.md

@@ -111,7 +111,6 @@ Leaving a field out has the same effect as `<field>: false`. If not specified si
 An example using all available options:
 
 ```javascript
-
 import { HttpsProxyAgent } from 'hpagent';
 
 const sitemapper = new Sitemapper({
@@ -126,7 +125,7 @@ const sitemapper = new Sitemapper({
   retries: 1,
   lastmod: 1600000000000,
   proxyAgent: new HttpsProxyAgent({
-  	proxy: 'http://localhost:8080'
+    proxy: 'http://localhost:8080',
   }),
   exclusions: [/\/v1\//, /scary/],
   rejectUnauthorized: false,

babel.config.js

@@ -1,4 +1,4 @@
-module.exports = (api) => {
+export default (api) => {
   api.cache(true);
 
   const presets = [
@@ -8,11 +8,14 @@ module.exports = (api) => {
         targets: {
           esmodules: true,
         },
+        modules: false, // Output ES modules
       },
     ],
     'minify', // minify the Babel code
   ];
-  const plugins = [['add-module-exports', { addDefaultProperty: true }]];
+
+  // Remove the add-module-exports plugin for ESM output
+  const plugins = [];
 
   return {
     presets,

bin/sitemapper.js

@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 
-const Sitemapper = require('../lib/assets/sitemapper').default;
+import Sitemapper from '../lib/assets/sitemapper.js';
 
 async function main() {
   const sitemapUrl = process.argv[2];