AI-powered summaries

This sample lets you search for AI-powered summaries. Some suggested searches:

  • "Hotel" for neighborhood summaries.
  • "EV charging station" for EVCS amenity summaries.
  • Any restaurant or business for place and review summaries.

Read the documentation.

TypeScript

// Define DOM elements.
const mapElement = document.querySelector('gmp-map') as google.maps.MapElement;
const placeAutocomplete = document.querySelector(
    'gmp-place-autocomplete'
) as google.maps.places.PlaceAutocompleteElement;
const summaryPanel = document.getElementById('summary-panel') as HTMLDivElement;
const placeName = document.getElementById('place-name') as HTMLElement;
const placeAddress = document.getElementById('place-address') as HTMLElement;
const tabContainer = document.getElementById('tab-container') as HTMLDivElement;
const summaryContent = document.getElementById(
    'summary-content'
) as HTMLDivElement;
const aiDisclosure = document.getElementById('ai-disclosure') as HTMLDivElement;
const flagContentLink = document.getElementById('flag-content-link') as HTMLAnchorElement;

let innerMap;
let marker: google.maps.marker.AdvancedMarkerElement;

async function initMap(): Promise<void> {
    // Request needed libraries.
    const [] = await Promise.all([
        google.maps.importLibrary('marker'),
        google.maps.importLibrary('places'),
    ]);

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

    // Bind autocomplete bounds to map bounds.
    google.maps.event.addListener(innerMap, 'bounds_changed', async () => {
        placeAutocomplete.locationRestriction = innerMap.getBounds();
    });

    // Create the marker.
    marker = new google.maps.marker.AdvancedMarkerElement({
        map: innerMap,
    });

    // Handle selection of an autocomplete result.
    // prettier-ignore
    // @ts-ignore
    placeAutocomplete.addEventListener('gmp-select', async ({ placePrediction }) => {
            const place = placePrediction.toPlace();

            // Fetch all summary fields.
            await place.fetchFields({
                fields: [
                    'displayName',
                    'formattedAddress',
                    'location',
                    'generativeSummary',
                    'neighborhoodSummary',
                    'reviewSummary',
                    'evChargeAmenitySummary',
                ],
            });

            // Update the map viewport and position the marker.
            if (place.viewport) {
                innerMap.fitBounds(place.viewport);
            } else {
                innerMap.setCenter(place.location);
                innerMap.setZoom(17);
            }
            marker.position = place.location;

            // Update the panel UI.
            updateSummaryPanel(place);
        }
    );
}

function updateSummaryPanel(place: google.maps.places.Place) {
    // Reset UI
    summaryPanel.classList.remove('hidden');
    tabContainer.innerHTML = ''; // innerHTML is OK here since we're clearing known child elements.
    summaryContent.textContent = '';
    aiDisclosure.textContent = '';

    placeName.textContent = place.displayName || '';
    placeAddress.textContent = place.formattedAddress || '';

    let firstTabActivated = false;

    /**
     * Safe Helper: Accepts either a text string or a DOM Node (like a div or DocumentFragment).
     */
    const createTab = (
        label: string,
        content: string | Node,
        disclosure: string,
        flagUrl: string
    ) => {
        const btn = document.createElement('button');
        btn.className = 'tab-button';
        btn.textContent = label;

        btn.onclick = () => {
            // Do nothing if the tab is already active.
            if (btn.classList.contains('active')) {
                return;
            }

            // Manage the active class state.
            document
                .querySelectorAll('.tab-button')
                .forEach((b) => b.classList.remove('active'));
            btn.classList.add('active');

            if (typeof content === 'string') {
                summaryContent.textContent = content;
            } else {
                summaryContent.replaceChildren(content.cloneNode(true));
            }

            // Set the disclosure text.
            aiDisclosure.textContent = disclosure || 'AI-generated content.';

            // Add the content flag URI.
            if (flagUrl) {
                flagContentLink.href = flagUrl;
                flagContentLink.textContent = "Report an issue"
            }
        };

        tabContainer.appendChild(btn);

        // Auto-select the first available summary.
        if (!firstTabActivated) {
            btn.click();
            firstTabActivated = true;
        }
    };

    // --- 1. Generative Summary (Place) ---
    //@ts-ignore
    if (place.generativeSummary?.overview) {
        createTab(
            'Overview',
            //@ts-ignore
            place.generativeSummary.overview,
            //@ts-ignore
            place.generativeSummary.disclosureText,
            //@ts-ignore
            place.generativeSummary.flagContentURI
        );
    }

    // --- 2. Review Summary ---
    //@ts-ignore
    if (place.reviewSummary?.text) {
        createTab(
            'Reviews',
            //@ts-ignore
            place.reviewSummary.text,
            //@ts-ignore
            place.reviewSummary.disclosureText,
            //@ts-ignore
            place.reviewSummary.flagContentURI
        );
    }

    // --- 3. Neighborhood Summary ---
    //@ts-ignore
    if (place.neighborhoodSummary?.overview?.content) {
        createTab(
            'Neighborhood',
            //@ts-ignore
            place.neighborhoodSummary.overview.content,
            //@ts-ignore
            place.neighborhoodSummary.disclosureText,
            //@ts-ignore
            place.neighborhoodSummary.flagContentURI
        );
    }

    // --- 4. EV Amenity Summary (uses content blocks)) ---
    //@ts-ignore
    if (place.evChargeAmenitySummary) {
        //@ts-ignore
        const evSummary = place.evChargeAmenitySummary;
        const evContainer = document.createDocumentFragment();

        // Helper to build a safe DOM section for EV categories.
        const createSection = (title: string, text: string) => {
            const wrapper = document.createElement('div');
            wrapper.style.marginBottom = '15px'; // Or use a CSS class

            const titleEl = document.createElement('strong');
            titleEl.textContent = title;

            const textEl = document.createElement('div');
            textEl.textContent = text;

            wrapper.appendChild(titleEl);
            wrapper.appendChild(textEl);
            return wrapper;
        };

        // Check and append each potential section
        if (evSummary.overview?.content) {
            evContainer.appendChild(
                createSection('Overview', evSummary.overview.content)
            );
        }
        if (evSummary.coffee?.content) {
            evContainer.appendChild(
                createSection('Coffee', evSummary.coffee.content)
            );
        }
        if (evSummary.restaurant?.content) {
            evContainer.appendChild(
                createSection('Food', evSummary.restaurant.content)
            );
        }
        if (evSummary.store?.content) {
            evContainer.appendChild(
                createSection('Shopping', evSummary.store.content)
            );
        }

        // Only add the tab if the container has children
        if (evContainer.hasChildNodes()) {
            createTab(
                'EV Amenities',
                evContainer, // Passing a Node instead of string
                evSummary.disclosureText,
                evSummary.flagContentURI
            );
        }
    }

    // Safely handle the empty state.
    if (!firstTabActivated) {
        const msg = document.createElement('em');
        msg.textContent =
            'No AI summaries are available for this specific location.';
        summaryContent.replaceChildren(msg);
        aiDisclosure.textContent = '';
    }
}

initMap();

JavaScript

// Define DOM elements.
const mapElement = document.querySelector('gmp-map');
const placeAutocomplete = document.querySelector('gmp-place-autocomplete');
const summaryPanel = document.getElementById('summary-panel');
const placeName = document.getElementById('place-name');
const placeAddress = document.getElementById('place-address');
const tabContainer = document.getElementById('tab-container');
const summaryContent = document.getElementById('summary-content');
const aiDisclosure = document.getElementById('ai-disclosure');
const flagContentLink = document.getElementById('flag-content-link');
let innerMap;
let marker;
async function initMap() {
    // Request needed libraries.
    const [] = await Promise.all([
        google.maps.importLibrary('marker'),
        google.maps.importLibrary('places'),
    ]);
    innerMap = mapElement.innerMap;
    innerMap.setOptions({
        mapTypeControl: false,
        streetViewControl: false,
        fullscreenControl: false,
    });
    // Bind autocomplete bounds to map bounds.
    google.maps.event.addListener(innerMap, 'bounds_changed', async () => {
        placeAutocomplete.locationRestriction = innerMap.getBounds();
    });
    // Create the marker.
    marker = new google.maps.marker.AdvancedMarkerElement({
        map: innerMap,
    });
    // Handle selection of an autocomplete result.
    // prettier-ignore
    // @ts-ignore
    placeAutocomplete.addEventListener('gmp-select', async ({ placePrediction }) => {
        const place = placePrediction.toPlace();
        // Fetch all summary fields.
        await place.fetchFields({
            fields: [
                'displayName',
                'formattedAddress',
                'location',
                'generativeSummary',
                'neighborhoodSummary',
                'reviewSummary',
                'evChargeAmenitySummary',
            ],
        });
        // Update the map viewport and position the marker.
        if (place.viewport) {
            innerMap.fitBounds(place.viewport);
        }
        else {
            innerMap.setCenter(place.location);
            innerMap.setZoom(17);
        }
        marker.position = place.location;
        // Update the panel UI.
        updateSummaryPanel(place);
    });
}
function updateSummaryPanel(place) {
    // Reset UI
    summaryPanel.classList.remove('hidden');
    tabContainer.innerHTML = ''; // innerHTML is OK here since we're clearing known child elements.
    summaryContent.textContent = '';
    aiDisclosure.textContent = '';
    placeName.textContent = place.displayName || '';
    placeAddress.textContent = place.formattedAddress || '';
    let firstTabActivated = false;
    /**
     * Safe Helper: Accepts either a text string or a DOM Node (like a div or DocumentFragment).
     */
    const createTab = (label, content, disclosure, flagUrl) => {
        const btn = document.createElement('button');
        btn.className = 'tab-button';
        btn.textContent = label;
        btn.onclick = () => {
            // Do nothing if the tab is already active.
            if (btn.classList.contains('active')) {
                return;
            }
            // Manage the active class state.
            document
                .querySelectorAll('.tab-button')
                .forEach((b) => b.classList.remove('active'));
            btn.classList.add('active');
            if (typeof content === 'string') {
                summaryContent.textContent = content;
            }
            else {
                summaryContent.replaceChildren(content.cloneNode(true));
            }
            // Set the disclosure text.
            aiDisclosure.textContent = disclosure || 'AI-generated content.';
            // Add the content flag URI.
            if (flagUrl) {
                flagContentLink.href = flagUrl;
                flagContentLink.textContent = "Report an issue";
            }
        };
        tabContainer.appendChild(btn);
        // Auto-select the first available summary.
        if (!firstTabActivated) {
            btn.click();
            firstTabActivated = true;
        }
    };
    // --- 1. Generative Summary (Place) ---
    //@ts-ignore
    if (place.generativeSummary?.overview) {
        createTab('Overview', 
        //@ts-ignore
        place.generativeSummary.overview, 
        //@ts-ignore
        place.generativeSummary.disclosureText, 
        //@ts-ignore
        place.generativeSummary.flagContentURI);
    }
    // --- 2. Review Summary ---
    //@ts-ignore
    if (place.reviewSummary?.text) {
        createTab('Reviews', 
        //@ts-ignore
        place.reviewSummary.text, 
        //@ts-ignore
        place.reviewSummary.disclosureText, 
        //@ts-ignore
        place.reviewSummary.flagContentURI);
    }
    // --- 3. Neighborhood Summary ---
    //@ts-ignore
    if (place.neighborhoodSummary?.overview?.content) {
        createTab('Neighborhood', 
        //@ts-ignore
        place.neighborhoodSummary.overview.content, 
        //@ts-ignore
        place.neighborhoodSummary.disclosureText, 
        //@ts-ignore
        place.neighborhoodSummary.flagContentURI);
    }
    // --- 4. EV Amenity Summary (uses content blocks)) ---
    //@ts-ignore
    if (place.evChargeAmenitySummary) {
        //@ts-ignore
        const evSummary = place.evChargeAmenitySummary;
        const evContainer = document.createDocumentFragment();
        // Helper to build a safe DOM section for EV categories.
        const createSection = (title, text) => {
            const wrapper = document.createElement('div');
            wrapper.style.marginBottom = '15px'; // Or use a CSS class
            const titleEl = document.createElement('strong');
            titleEl.textContent = title;
            const textEl = document.createElement('div');
            textEl.textContent = text;
            wrapper.appendChild(titleEl);
            wrapper.appendChild(textEl);
            return wrapper;
        };
        // Check and append each potential section
        if (evSummary.overview?.content) {
            evContainer.appendChild(createSection('Overview', evSummary.overview.content));
        }
        if (evSummary.coffee?.content) {
            evContainer.appendChild(createSection('Coffee', evSummary.coffee.content));
        }
        if (evSummary.restaurant?.content) {
            evContainer.appendChild(createSection('Food', evSummary.restaurant.content));
        }
        if (evSummary.store?.content) {
            evContainer.appendChild(createSection('Shopping', evSummary.store.content));
        }
        // Only add the tab if the container has children
        if (evContainer.hasChildNodes()) {
            createTab('EV Amenities', evContainer, // Passing a Node instead of string
            evSummary.disclosureText, evSummary.flagContentURI);
        }
    }
    // Safely handle the empty state.
    if (!firstTabActivated) {
        const msg = document.createElement('em');
        msg.textContent =
            'No AI summaries are available for this specific location.';
        summaryContent.replaceChildren(msg);
        aiDisclosure.textContent = '';
    }
}
initMap();

CSS

/* Reuse existing map height */
gmp-map {
    height: 100%;
}

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
}

/* Existing Autocomplete Card Style */
.place-autocomplete-card {
    background-color: #fff;
    border-radius: 5px;
    box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
    margin: 10px;
    padding: 15px;
    font-family: Roboto, sans-serif;
    font-size: 1rem;
}

gmp-place-autocomplete {
    width: 300px;
}

/* New: Summary Panel Styles */
.summary-card {
    background-color: #fff;
    border-radius: 5px;
    box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
    margin: 10px;
    padding: 0; /* Padding handled by children */
    font-family: Roboto, sans-serif;
    width: 350px;
    max-height: 80vh; /* Prevent overflow on small screens */
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.hidden {
    display: none;
}

#place-header {
    padding: 15px;
    background-color: #f8f9fa;
    border-bottom: 1px solid #ddd;
}

#place-header h2 {
    margin: 0 0 5px 0;
    font-size: 1.2rem;
}

#place-address {
    margin: 0;
    color: #555;
    font-size: 0.9rem;
}

/* Tab Navigation */
.tab-container {
    display: flex;
    border-bottom: 1px solid #ddd;
    background-color: #fff;
}

.tab-button {
    flex: 1;
    background: none;
    border: none;
    padding: 10px;
    cursor: pointer;
    font-weight: 500;
    color: #555;
    border-bottom: 3px solid transparent;
}

.tab-button:hover {
    background-color: #f1f1f1;
}

.tab-button.active {
    font-weight: bold;
    border-bottom: 3px solid #000000;
}

.tab-button.active:hover {
    background-color: #ffffff;
    cursor: default;
}

/* Content Area */
.content-area {
    padding: 15px;
    line-height: 1.5;
    font-size: 0.95rem;
    color: #333;
}

.disclosure-footer {
    font-size: 0.75rem;
    color: #666;
    padding: 10px 15px;
    border-top: 1px solid #eee;
    font-style: italic;
}

.flag-content-link {
    font-size: 0.75rem;
    color: #666;
    padding: 10px 15px;
    border-top: 1px solid #eee;
}
/* Reuse existing map height */
gmp-map {
    height: 100%;
}

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
}

/* Existing Autocomplete Card Style */
.place-autocomplete-card {
    background-color: #fff;
    border-radius: 5px;
    box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
    margin: 10px;
    padding: 15px;
    font-family: Roboto, sans-serif;
    font-size: 1rem;
}

gmp-place-autocomplete {
    width: 300px;
}

/* New: Summary Panel Styles */
.summary-card {
    background-color: #fff;
    border-radius: 5px;
    box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
    margin: 10px;
    padding: 0; /* Padding handled by children */
    font-family: Roboto, sans-serif;
    width: 350px;
    max-height: 80vh; /* Prevent overflow on small screens */
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.hidden {
    display: none;
}

#place-header {
    padding: 15px;
    background-color: #f8f9fa;
    border-bottom: 1px solid #ddd;
}

#place-header h2 {
    margin: 0 0 5px 0;
    font-size: 1.2rem;
}

#place-address {
    margin: 0;
    color: #555;
    font-size: 0.9rem;
}

/* Tab Navigation */
.tab-container {
    display: flex;
    border-bottom: 1px solid #ddd;
    background-color: #fff;
}

.tab-button {
    flex: 1;
    background: none;
    border: none;
    padding: 10px;
    cursor: pointer;
    font-weight: 500;
    color: #555;
    border-bottom: 3px solid transparent;
}

.tab-button:hover {
    background-color: #f1f1f1;
}

.tab-button.active {
    font-weight: bold;
    border-bottom: 3px solid #000000;
}

.tab-button.active:hover {
    background-color: #ffffff;
    cursor: default;
}

/* Content Area */
.content-area {
    padding: 15px;
    line-height: 1.5;
    font-size: 0.95rem;
    color: #333;
}

.disclosure-footer {
    font-size: 0.75rem;
    color: #666;
    padding: 10px 15px;
    border-top: 1px solid #eee;
    font-style: italic;
}

.flag-content-link {
    font-size: 0.75rem;
    color: #666;
    padding: 10px 15px;
}

HTML

<html>
    <head>
        <title>AI Place Summaries</title>
        <link rel="stylesheet" type="text/css" href="./style.css" />
        <script type="module" src="./index.js"></script>
        <!-- prettier-ignore -->
        <script>(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))})
        ({key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8", v: "weekly"});</script>
    </head>
    <body>
        <gmp-map center="37.805, -122.425" zoom="14" map-id="DEMO_MAP_ID">
            <!-- Search Input Card -->
            <div
                class="place-autocomplete-card"
                slot="control-inline-start-block-start">
                <p>Search for a place with AI summaries:</p>
                <gmp-place-autocomplete></gmp-place-autocomplete>
            </div>

            <!-- Summary text panel (initially hidden) -->
            <div
                id="summary-panel"
                class="summary-card hidden"
                slot="control-inline-end-block-start">
                <div id="place-header">
                    <h2 id="place-name"></h2>
                    <p id="place-address"></p>
                </div>

                <!-- Tabs for toggling summary types -->
                <div class="tab-container" id="tab-container"></div>

                <!-- Content display area -->
                <div id="summary-content" class="content-area"></div>

                <!-- Legal/AI Disclosure -->
                <div id="ai-disclosure" class="disclosure-footer"></div>

                <!-- Flag content link -->
                <a id="flag-content-link" class="flag-content-link"></a>
            </div>
        </gmp-map>
    </body>
</html>

Try Sample

Clone Sample

Git and Node.js are required to run this sample locally. Follow these instructions to install Node.js and NPM. The following commands clone, install dependencies and start the sample application.

  git clone https://github.com/googlemaps-samples/js-api-samples.git
  cd samples/ai-powered-summaries
  npm i
  npm start