refactor: use require to support older node versions

example/index.js

@@ -1,23 +1,30 @@
-import { FingerprintJsServerApiClient, Region } from '@fingerprintjs/fingerprintjs-pro-server-api';
-import 'dotenv/config';
+const {
+  FingerprintJsServerApiClient,
+  Region,
+} = require('@fingerprintjs/fingerprintjs-pro-server-api');
+require('dotenv').config();
 
 const apiKey = process.env.API_KEY;
 const visitorId = process.env.VISITOR_ID;
 const requestId = process.env.REQUEST_ID;
 
 const client = new FingerprintJsServerApiClient({ region: Region.Global, apiKey: apiKey });
 
-try {
-  const [visitorHistory, event] = await Promise.all([
-    client.getVisitorHistory(visitorId),
-    client.getEvent(requestId),
-  ]);
+async function main() {
+  try {
+    const [visitorHistory, event] = await Promise.all([
+      client.getVisitorHistory(visitorId),
+      client.getEvent(requestId),
+    ]);
 
-  console.log(JSON.stringify(visitorHistory));
-  console.log(JSON.stringify(event));
-} catch (e) {
-  console.error(e);
-  process.exit(1);
+    console.log(JSON.stringify(visitorHistory));
+    console.log(JSON.stringify(event));
+  } catch (e) {
+    console.error(e);
+    process.exit(1);
+  }
+
+  process.exit(0);
 }
 
-process.exit(0);
+void main();

example/package.json

@@ -2,7 +2,6 @@
   "name": "fingerprintjs-pro-server-api-node-sdk-example",
   "version": "1.0.0",
   "description": "",
-  "type": "module",
   "main": "index.js",
   "private": true,
   "scripts": {