Place ID Finder

// This sample uses the Place Autocomplete widget to allow the user to search
// for and select a place. The sample then displays an info window containing
// the place ID and other information about the place that the user has
// selected.

// This example requires the Places library. Include the libraries=places
// parameter when you first load the API. For example:
// <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&libraries=places">

function initMap(): void {
  const map = new google.maps.Map(
    document.getElementById("map") as HTMLElement,
    {
      center: { lat: -33.8688, lng: 151.2195 },
      zoom: 13,
    }
  );

  const input = document.getElementById("pac-input") as HTMLInputElement;

  // Specify just the place data fields that you need.
  const autocomplete = new google.maps.places.Autocomplete(input, {
    fields: ["place_id", "geometry", "formatted_address", "name"],
  });

  autocomplete.bindTo("bounds", map);

  map.controls[google.maps.ControlPosition.TOP_LEFT].push(input);

  const infowindow = new google.maps.InfoWindow();
  const infowindowContent = document.getElementById(
    "infowindow-content"
  ) as HTMLElement;

  infowindow.setContent(infowindowContent);

  const marker = new google.maps.Marker({ map: map });

  marker.addListener("click", () => {
    infowindow.open(map, marker);
  });

  autocomplete.addListener("place_changed", () => {
    infowindow.close();

    const place = autocomplete.getPlace();

    if (!place.geometry || !place.geometry.location) {
      return;
    }

    if (place.geometry.viewport) {
      map.fitBounds(place.geometry.viewport);
    } else {
      map.setCenter(place.geometry.location);
      map.setZoom(17);
    }

    // Set the position of the marker using the place ID and location.
    // @ts-ignore This should be in @typings/googlemaps.
    marker.setPlace({
      placeId: place.place_id,
      location: place.geometry.location,
    });

    marker.setVisible(true);

    (
      infowindowContent.children.namedItem("place-name") as HTMLElement
    ).textContent = place.name as string;
    (
      infowindowContent.children.namedItem("place-id") as HTMLElement
    ).textContent = place.place_id as string;
    (
      infowindowContent.children.namedItem("place-address") as HTMLElement
    ).textContent = place.formatted_address as string;
    infowindow.open(map, marker);
  });
}

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

// This sample uses the Place Autocomplete widget to allow the user to search
// for and select a place. The sample then displays an info window containing
// the place ID and other information about the place that the user has
// selected.
// This example requires the Places library. Include the libraries=places
// parameter when you first load the API. For example:
// <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&libraries=places">
function initMap() {
  const map = new google.maps.Map(document.getElementById("map"), {
    center: { lat: -33.8688, lng: 151.2195 },
    zoom: 13,
  });
  const input = document.getElementById("pac-input");
  // Specify just the place data fields that you need.
  const autocomplete = new google.maps.places.Autocomplete(input, {
    fields: ["place_id", "geometry", "formatted_address", "name"],
  });

  autocomplete.bindTo("bounds", map);
  map.controls[google.maps.ControlPosition.TOP_LEFT].push(input);

  const infowindow = new google.maps.InfoWindow();
  const infowindowContent = document.getElementById("infowindow-content");

  infowindow.setContent(infowindowContent);

  const marker = new google.maps.Marker({ map: map });

  marker.addListener("click", () => {
    infowindow.open(map, marker);
  });
  autocomplete.addListener("place_changed", () => {
    infowindow.close();

    const place = autocomplete.getPlace();

    if (!place.geometry || !place.geometry.location) {
      return;
    }

    if (place.geometry.viewport) {
      map.fitBounds(place.geometry.viewport);
    } else {
      map.setCenter(place.geometry.location);
      map.setZoom(17);
    }

    // Set the position of the marker using the place ID and location.
    // @ts-ignore This should be in @typings/googlemaps.
    marker.setPlace({
      placeId: place.place_id,
      location: place.geometry.location,
    });
    marker.setVisible(true);
    infowindowContent.children.namedItem("place-name").textContent = place.name;
    infowindowContent.children.namedItem("place-id").textContent =
      place.place_id;
    infowindowContent.children.namedItem("place-address").textContent =
      place.formatted_address;
    infowindow.open(map, marker);
  });
}

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;
}

.controls {
  background-color: #fff;
  border-radius: 2px;
  border: 1px solid transparent;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  box-sizing: border-box;
  font-family: Roboto;
  font-size: 15px;
  font-weight: 300;
  height: 29px;
  margin-left: 17px;
  margin-top: 10px;
  outline: none;
  padding: 0 11px 0 13px;
  text-overflow: ellipsis;
  width: 400px;
}

.controls:focus {
  border-color: #4d90fe;
}

.title {
  font-weight: bold;
}

#infowindow-content {
  display: none;
}

#map #infowindow-content {
  display: inline;
}
style.css

<html>
  <head>
    <title>Place ID Finder</title>

    <link rel="stylesheet" type="text/css" href="./style.css" />
    <script type="module" src="./index.js"></script>
  </head>
  <body>
    <div style="display: none">
      <input
        id="pac-input"
        class="controls"
        type="text"
        placeholder="Enter a location"
      />
    </div>
    <div id="map"></div>
    <div id="infowindow-content">
      <span id="place-name" class="title"></span><br />
      <strong>Place ID:</strong> <span id="place-id"></span><br />
      <span id="place-address"></span>
    </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=places&v=weekly"
      defer
    ></script>
  </body>
</html>
index.html