Overlays Within Street View

let panorama: google.maps.StreetViewPanorama;

function initMap(): void {
  const astorPlace = { lat: 40.729884, lng: -73.990988 };

  // Set up the map
  const map = new google.maps.Map(
    document.getElementById("map") as HTMLElement,
    {
      center: astorPlace,
      zoom: 18,
      streetViewControl: false,
    }
  );

  document
    .getElementById("toggle")!
    .addEventListener("click", toggleStreetView);

  const cafeIcon = document.createElement("img");
  cafeIcon.src = "https://developers.google.com/maps/documentation/javascript/examples/full/images/cafe_icon.svg";

  const dollarIcon = document.createElement("img");
  dollarIcon.src = "https://developers.google.com/maps/documentation/javascript/examples/full/images/bank_icon.svg";

  const busIcon = document.createElement("img");
  busIcon.src = "https://developers.google.com/maps/documentation/javascript/examples/full/images/bus_icon.svg";


  // Set up the markers on the map
  const cafeMarker = new google.maps.Marker({
    position: { lat: 40.730031, lng: -73.991428 },
    map,
    title: "Cafe",
    icon: cafeIcon.src,
  });

  const bankMarker = new google.maps.Marker({
    position: { lat: 40.729681, lng: -73.991138 },
    map,
    title: "Bank",
    icon: dollarIcon.src,
  });

  const busMarker = new google.maps.Marker({
    position: { lat: 40.729559, lng: -73.990741 },
    map,
    title: "Bus Stop",
    icon: busIcon.src,
  });

  // We get the map's default panorama and set up some defaults.
  // Note that we don't yet set it visible.
  panorama = map.getStreetView()!; // TODO fix type
  panorama.setPosition(astorPlace);
  panorama.setPov(
    /** @type {google.maps.StreetViewPov} */ {
      heading: 265,
      pitch: 0,
    }
  );
}

function toggleStreetView(): void {
  const toggle = panorama.getVisible();

  if (toggle == false) {
    panorama.setVisible(true);
  } else {
    panorama.setVisible(false);
  }
}

declare global {
  interface Window {
    initMap: () => void;
  }
}
window.initMap = initMap;
index.ts

let panorama;

function initMap() {
  const astorPlace = { lat: 40.729884, lng: -73.990988 };
  // Set up the map
  const map = new google.maps.Map(document.getElementById("map"), {
    center: astorPlace,
    zoom: 18,
    streetViewControl: false,
  });

  document.getElementById("toggle").addEventListener("click", toggleStreetView);

  const cafeIcon = document.createElement("img");

  cafeIcon.src =
    "https://developers.google.com/maps/documentation/javascript/examples/full/images/cafe_icon.svg";

  const dollarIcon = document.createElement("img");

  dollarIcon.src =
    "https://developers.google.com/maps/documentation/javascript/examples/full/images/bank_icon.svg";

  const busIcon = document.createElement("img");

  busIcon.src =
    "https://developers.google.com/maps/documentation/javascript/examples/full/images/bus_icon.svg";

  // Set up the markers on the map
  const cafeMarker = new google.maps.Marker({
    position: { lat: 40.730031, lng: -73.991428 },
    map,
    title: "Cafe",
    icon: cafeIcon.src,
  });
  const bankMarker = new google.maps.Marker({
    position: { lat: 40.729681, lng: -73.991138 },
    map,
    title: "Bank",
    icon: dollarIcon.src,
  });
  const busMarker = new google.maps.Marker({
    position: { lat: 40.729559, lng: -73.990741 },
    map,
    title: "Bus Stop",
    icon: busIcon.src,
  });

  // We get the map's default panorama and set up some defaults.
  // Note that we don't yet set it visible.
  panorama = map.getStreetView(); // TODO fix type
  panorama.setPosition(astorPlace);
  panorama.setPov(
    /** @type {google.maps.StreetViewPov} */ {
      heading: 265,
      pitch: 0,
    },
  );
}

function toggleStreetView() {
  const toggle = panorama.getVisible();

  if (toggle == false) {
    panorama.setVisible(true);
  } else {
    panorama.setVisible(false);
  }
}

window.initMap = initMap;
index.js

/* 
 * Always set the map height explicitly to define the size of the div element
 * that contains the map. 
 */
#map {
  height: 100%;
}

/* 
 * Optional: Makes the sample page fill the window. 
 */
html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

#floating-panel {
  position: absolute;
  top: 10px;
  left: 25%;
  z-index: 5;
  background-color: #fff;
  padding: 5px;
  border: 1px solid #999;
  text-align: center;
  font-family: "Roboto", "sans-serif";
  line-height: 30px;
  padding-left: 10px;
}

#floating-panel {
  margin-left: -100px;
}
style.css

<html>
  <head>
    <title>Overlays Within Street View</title>

    <link rel="stylesheet" type="text/css" href="./style.css" />
    <script type="module" src="./index.js"></script>
  </head>
  <body>
    <div id="floating-panel">
      <input type="button" value="Toggle Street View" id="toggle" />
    </div>
    <div id="map"></div>

    <!-- 
      The `defer` attribute causes the script to execute after the full HTML
      document has been parsed. For non-blocking uses, avoiding race conditions,
      and consistent behavior across browsers, consider loading using Promises. See
      https://developers.google.com/maps/documentation/javascript/load-maps-js-api
      for more information.
      -->
    <script
      src="https://maps.googleapis.com/maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&callback=initMap&libraries=marker&v=weekly"
      defer
    ></script>
  </body>
</html>
index.html