Basic Place Autocomplete Map

const placeAutocompleteElement = document.querySelector(
    'gmp-basic-place-autocomplete'
) as google.maps.places.PlaceAutocompleteElement;
const placeDetailsElement = document.querySelector(
    'gmp-place-details-compact'
) as any;
const placeDetailsParent = placeDetailsElement.parentElement as HTMLElement;
const gmpMapElement = document.querySelector(
    'gmp-map'
) as google.maps.MapElement;

async function initMap(): Promise<void> {
    // Asynchronously load required libraries from the Google Maps JS API.
    await google.maps.importLibrary('places');
    const { AdvancedMarkerElement } = (await google.maps.importLibrary(
        'marker'
    )) as google.maps.MarkerLibrary;
    const { InfoWindow } = (await google.maps.importLibrary(
        'maps'
    )) as google.maps.MapsLibrary;

    // Get the initial center directly from the gmp-map element's property.
    const center = gmpMapElement.center;

    // Set the initial location bias for the autocomplete element.
    placeAutocompleteElement.locationBias = center;

    // Update the map object with specified options.
    const map = gmpMapElement.innerMap;
    map.setOptions({
        clickableIcons: false,
        mapTypeControl: false,
        streetViewControl: false,
    });

    // Create an advanced marker to show the location of a selected place.
    const advancedMarkerElement: google.maps.marker.AdvancedMarkerElement =
        new AdvancedMarkerElement({
            map: map,
            collisionBehavior:
                google.maps.CollisionBehavior.REQUIRED_AND_HIDES_OPTIONAL,
        });

    // Create an InfoWindow to hold the place details component.
    const infoWindow: google.maps.InfoWindow = new InfoWindow({
        minWidth: 360,
        disableAutoPan: true,
        headerDisabled: true,
        pixelOffset: new google.maps.Size(0, -10),
    });

    // Event listener for when a place is selected from the autocomplete list.
    placeAutocompleteElement.addEventListener('gmp-select', (event: any) => {
        // Reset marker and InfoWindow, and prepare the details element.
        placeDetailsParent.appendChild(placeDetailsElement);
        placeDetailsElement.style.display = 'block';
        advancedMarkerElement.position = null;
        infoWindow.close();

        // Request details for the selected place.
        const placeDetailsRequest = placeDetailsElement.querySelector(
            'gmp-place-details-place-request'
        ) as any;
        placeDetailsRequest.place = event.place.id;
    });

    // Event listener for when the place details have finished loading.
    placeDetailsElement.addEventListener('gmp-load', () => {
        const location = placeDetailsElement.place
            .location as google.maps.LatLng;

        // Position the marker and open the InfoWindow at the place's location.
        advancedMarkerElement.position = location;
        infoWindow.setContent(placeDetailsElement);
        infoWindow.open({
            map,
            anchor: advancedMarkerElement,
        });
        map.setCenter(location);
    });

    // Event listener to close the InfoWindow when the map is clicked.
    map.addListener('click', (): void => {
        infoWindow.close();
        advancedMarkerElement.position = null;
    });

    // Event listener for when the map finishes moving (panning or zooming).
    map.addListener('idle', (): void => {
        const newCenter = map.getCenter() as google.maps.LatLng;

        // Update the autocomplete's location bias to a 10km radius around the new map center.
        placeAutocompleteElement.locationBias = new google.maps.Circle({
            center: {
                lat: newCenter.lat(),
                lng: newCenter.lng(),
            },
            radius: 10000, // 10km in meters.
        });
    });
}

initMap();
index.ts

const placeAutocompleteElement = document.querySelector('gmp-basic-place-autocomplete');
const placeDetailsElement = document.querySelector('gmp-place-details-compact');
const placeDetailsParent = placeDetailsElement.parentElement;
const gmpMapElement = document.querySelector('gmp-map');
async function initMap() {
    // Asynchronously load required libraries from the Google Maps JS API.
    await google.maps.importLibrary('places');
    const { AdvancedMarkerElement } = (await google.maps.importLibrary('marker'));
    const { InfoWindow } = (await google.maps.importLibrary('maps'));
    // Get the initial center directly from the gmp-map element's property.
    const center = gmpMapElement.center;
    // Set the initial location bias for the autocomplete element.
    placeAutocompleteElement.locationBias = center;
    // Update the map object with specified options.
    const map = gmpMapElement.innerMap;
    map.setOptions({
        clickableIcons: false,
        mapTypeControl: false,
        streetViewControl: false,
    });
    // Create an advanced marker to show the location of a selected place.
    const advancedMarkerElement = new AdvancedMarkerElement({
        map: map,
        collisionBehavior: google.maps.CollisionBehavior.REQUIRED_AND_HIDES_OPTIONAL,
    });
    // Create an InfoWindow to hold the place details component.
    const infoWindow = new InfoWindow({
        minWidth: 360,
        disableAutoPan: true,
        headerDisabled: true,
        pixelOffset: new google.maps.Size(0, -10),
    });
    // Event listener for when a place is selected from the autocomplete list.
    placeAutocompleteElement.addEventListener('gmp-select', (event) => {
        // Reset marker and InfoWindow, and prepare the details element.
        placeDetailsParent.appendChild(placeDetailsElement);
        placeDetailsElement.style.display = 'block';
        advancedMarkerElement.position = null;
        infoWindow.close();
        // Request details for the selected place.
        const placeDetailsRequest = placeDetailsElement.querySelector('gmp-place-details-place-request');
        placeDetailsRequest.place = event.place.id;
    });
    // Event listener for when the place details have finished loading.
    placeDetailsElement.addEventListener('gmp-load', () => {
        const location = placeDetailsElement.place
            .location;
        // Position the marker and open the InfoWindow at the place's location.
        advancedMarkerElement.position = location;
        infoWindow.setContent(placeDetailsElement);
        infoWindow.open({
            map,
            anchor: advancedMarkerElement,
        });
        map.setCenter(location);
    });
    // Event listener to close the InfoWindow when the map is clicked.
    map.addListener('click', () => {
        infoWindow.close();
        advancedMarkerElement.position = null;
    });
    // Event listener for when the map finishes moving (panning or zooming).
    map.addListener('idle', () => {
        const newCenter = map.getCenter();
        // Update the autocomplete's location bias to a 10km radius around the new map center.
        placeAutocompleteElement.locationBias = new google.maps.Circle({
            center: {
                lat: newCenter.lat(),
                lng: newCenter.lng(),
            },
            radius: 10000, // 10km in meters.
        });
    });
}
initMap();
index.js

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

gmp-map {
    height: 100%;
}

gmp-basic-place-autocomplete {
    position: absolute;
    height: 30px;
    width: 500px;
    top: 10px;
    left: 10px;
    box-shadow: 4px 4px 5px 0px rgba(0, 0, 0, 0.2);
    color-scheme: light;
    border-radius: 10px;
}
style.css

<html>
    <head>
        <title>Basic Place Autocomplete map</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
            zoom="12"
            center="37.4220656,-122.0840897"
            map-id="DEMO_MAP_ID">
            <gmp-basic-place-autocomplete
                slot="control-inline-start-block-start"></gmp-basic-place-autocomplete>
        </gmp-map>
        <!-- Use inline styles to configure the Place Details Compact element because
     it will be placed within the info window, and info window content is inside 
     the shadow DOM when using <gmp-map> -->
        <gmp-place-details-compact
            orientation="horizontal"
            style="
                width: 400px;
                display: none;
                border: none;
                padding: 0;
                margin: 0;
                background-color: transparent;
                color-scheme: light;
            ">
            <gmp-place-details-place-request></gmp-place-details-place-request>
            <gmp-place-standard-content></gmp-place-standard-content>
        </gmp-place-details-compact>
    </body>
</html>
index.html