googlemaps-v3-utility-library-latest

import MarkerClusterer from 'googlemaps-v3-utility-library-latest'; function initMap() { const map = new google.maps.Map(document.getElementById('map'), { zoom: 3, center: { lat: -28.024, lng: 140.887 }, mapId: 'DEMO_MAP_ID' // Replace with your Map ID }); const markers = []; // Create some random markers for (let i = 0; i < 100; i++) { const latLng = new google.maps.LatLng( -28.024 + Math.random() * 10, 140.887 + Math.random() * 10 ); markers.push(new google.maps.Marker({ position: latLng })); } // Add a marker clusterer to the map. new MarkerClusterer(map, markers, { imagePath: 'https://developers.google.com/maps/documentation/javascript/examples/markerclusterer/m' }); } // Ensure the global `google` object is available (e.g., via script tag in HTML) // For demonstration purposes, if not using a global callback, call directly: // This assumes the Google Maps API script is loaded globally and defines `google` // For a real application, follow Google's recommended async loading with a callback. window.addEventListener('DOMContentLoaded', () => { if (typeof google !== 'undefined' && google.maps) { initMap(); } else { console.warn('Google Maps API not loaded. Ensure the script tag is present.'); // You might want to dynamically load it here or handle the missing global differently const script = document.createElement('script'); script.src = `https://maps.googleapis.com/maps/api/js?key=${process.env.GOOGLE_MAPS_API_KEY ?? 'YOUR_API_KEY'}&callback=initMap`; script.async = true; document.head.appendChild(script); window.initMap = initMap; // Attach to window for the callback } });