ai-powered-summaries-basic

Sample code supporting Google Maps Platform JavaScript API documentation. author(s): Geo Developer IX Documentation Team

HTML

<!doctype html>
<!--
 @license
 Copyright 2025 Google LLC. All Rights Reserved.
 SPDX-License-Identifier: Apache-2.0
-->

<html>
  <head>
    <title>AI-powered Summaries Basic Sample</title>

    <script>
      // prettier-ignore
      (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
            });
    </script>
  </head>
  <body>
    <gmp-map center="32.7360353,-117.1509849" zoom="14" map-id="DEMO_MAP_ID">
    </gmp-map>
  </body>
</html>

CSS

/**
 * @license
 * Copyright 2025 Google LLC. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */

/* 
 * 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;
}

JavaScript

'use strict';
/**
 * @license
 * Copyright 2025 Google LLC. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */

const mapElement = document.querySelector('gmp-map');
let innerMap;
let infoWindow;

async function init() {
  const { InfoWindow } = await google.maps.importLibrary('maps');

  innerMap = mapElement.innerMap;
  innerMap.setOptions({
    mapTypeControl: false,
  });

  infoWindow = new InfoWindow();
  void getPlaceDetails();
}

async function getPlaceDetails() {
  // Request needed libraries.
  const [{ AdvancedMarkerElement }, { Place }] = await Promise.all([
    google.maps.importLibrary('marker'),
    google.maps.importLibrary('places'),
  ]);

  // Use place ID to create a new Place instance.
  const place = new Place({
    id: 'ChIJzzc-aWUM3IARPOQr9sA6vfY', // San Diego Botanic Garden
  });

  // Call fetchFields, passing the needed data fields.

  await place.fetchFields({
    fields: [
      'displayName',
      'formattedAddress',
      'location',
      'generativeSummary',
    ],
  });

  // Add an Advanced Marker
  const marker = new AdvancedMarkerElement({
    map: innerMap,
    position: place.location,
    title: place.displayName,
  });

  // Create a content container.
  const content = document.createElement('div');
  // Populate the container with data.
  const address = document.createElement('div');
  const summary = document.createElement('div');
  const lineBreak = document.createElement('br');
  const attribution = document.createElement('div');

  // Retrieve the textual data (summary, disclosure, flag URI).
  const overviewText = place.generativeSummary?.overview;
  const disclosureText = place.generativeSummary?.disclosureText;
  const reportingURI = place.generativeSummary?.flagContentURI;

  // Create HTML for reporting link.
  const reportingLink = document.createElement('a');
  reportingLink.href = reportingURI ?? '';
  reportingLink.target = '_blank';
  reportingLink.textContent = 'Report a problem.';

  //...