JSFiddle - React, Tailwind, and code Playground

by Lawrence Ross

HTML

<script src="https://maps.googleapis.com/maps/api/js?libraries=geometry,places&amp;ext=.js"></script>
<div id="gmap"></div>

CSS

html,
body,
#gmap {
  height: 100%;
  width: 100%;
  margin: 0px;
  padding: 0px
}

JavaScript

var directionsDisplay, directionsService;

function initialize() {
  var mapOptions = {
    zoom: 15,
    scrollwheel: false,
    center: new google.maps.LatLng(),
  };

  var gmap = new google.maps.Map(document.getElementById('gmap'), mapOptions);

  var hotel_lat = new google.maps.LatLng(39.514801, 2.53708);
  var aero_lat = new google.maps.LatLng(39.551741, 2.736165);

  var Hotel = new google.maps.Marker({
    position: hotel_lat,
    title: "Custom name",
    icon: 'http://maps.google.com/mapfiles/ms/micons/blue.png'
  });
  Hotel.setMap(gmap);
  var Airport = new google.maps.Marker({
    position: aero_lat,
    title: "Airport",
    icon: 'http://maps.google.com/mapfiles/ms/micons/yellow.png'
  });
  Airport.setMap(gmap);


  var mapInfoWindow = new google.maps.InfoWindow();
  var mapBounds = new google.maps.LatLngBounds();

  directionsService = new google.maps.DirectionsService();
  directionsDisplay = new google.maps.DirectionsRenderer({
    suppressMarkers: true
  });
  directionsDisplay.setMap(gmap);
  /* ruta del hotel al aeropuerto */
  route(aero_lat, hotel_lat);
  gmap.setCenter(new google.maps.LatLng(hlat, hlong));
  $(window).resize(function() {
    gmap.setCenter(new google.maps.LatLng(hlat, hlong));
  });
}
google.maps.event.addDomListener(window, "load", initialize);

function route(origin, destination) {
  directionsService.route({
    origin: origin,
    destination: destination,
    travelMode: google.maps.TravelMode.DRIVING
  }, function(response, status) {
    if (status === google.maps.DirectionsStatus.OK) {
      directionsDisplay.setDirections(response);
    } else {
      window.alert('Directions request failed due to ' + status);
    }
  });
}