Place Autocomplete Widget

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let map = null;
async function init() {
    const { Map3DElement } = await google.maps.importLibrary("maps3d");
    map = new Map3DElement({
        center: { lat: 0, lng: 0, altitude: 16000000 },
        tilt: 0,
        range: 0,
        heading: 0,
        roll: 0,
        mode: 'HYBRID'
    });
    document.body.append(map);
    initAutocomplete();
}
async function initAutocomplete() {
    const { PlaceAutocompleteElement } = await google.maps.importLibrary("places");
    const placeAutocomplete = new google.maps.places.PlaceAutocompleteElement();
    placeAutocomplete.id = 'place-autocomplete-input';
    const card = document.getElementById('pac-container');
    card.appendChild(placeAutocomplete);
    placeAutocomplete.addEventListener('gmp-select', async ({ placePrediction }) => {
        const place = placePrediction.toPlace();
        await place.fetchFields({ fields: ['displayName', 'location', 'id'] });
        // If the place has a geometry, then present it on a map.
        if (!place.location) {
            window.alert("No viewport for input: " + place.displayName);
            return;
        }
        flyToPlace(place);
    });
}
const flyToPlace = async (place) => {
    const { AltitudeMode, Polyline3DElement, Polygon3DElement, Marker3DElement } = await google.maps.importLibrary("maps3d");
    const location = place.location;
    // We need to find the elevation for the point so we place the marker at 50m above the elevation.
    const elevation = await getElevationforPoint(location);
    const marker = new Marker3DElement({
        position: { lat: location.lat(), lng: location.lng(), altitude: elevation + 50 },
        altitudeMode: AltitudeMode.ABSOLUTE,
        extruded: true,
        label: place.displayName,
    });
    // Add the marker.
    map.append(marker);
    // Fly to the marker.
    map.flyCameraTo({
        endCamera: {
            center: { lat: location.lat(), lng: location.lng(), altitude: elevation + 50 },
            tilt: 65,
            heading: 0,
            range: 1000
        },
        durationMillis: 10000,
    });
};
async function getElevationforPoint(location) {
    const { ElevationService } = await google.maps.importLibrary("elevation");
    // Get place elevation using the ElevationService.
    const elevatorService = new google.maps.ElevationService();
    const elevationResponse = await elevatorService.getElevationForLocations({
        locations: [location],
    });
    if (!(elevationResponse.results && elevationResponse.results.length)) {
        window.alert(`Insufficient elevation data for place: ${place.name}`);
        return;
    }
    const elevation = elevationResponse.results[0].elevation || 10;
    return elevation;
}
init();
index.js

/* * Always set the map height explicitly to define the size of the div element
 * that contains the map. 
 */
html,
map {
  height: 100%;
}
body {
  height: 100%;
  margin: 0;
  padding: 0;
}
.pac-controls {
    display: inline-block;
    padding: 0px 11px;
}

.pac-controls label {
    font-family: Roboto;
    font-size: 13px;
    font-weight: 300;
}

.pac-card {
    background-color: #fff;
    border: 0;
    border-radius: 4px;
    box-shadow: 0 1px 4px -1px rgba(0, 0, 0, 0.3);
    margin: 10px;
    padding: 0 0.5em;
    font: 400 18px Roboto, Arial, sans-serif;
    /* overflow: hidden; */
    font-family: Roboto;
    padding: 0;
    position: absolute;
    left: 10px;
    top: 10px;
    z-index: 99;
}

#pac-container {
    padding-top: 12px;
    padding-bottom: 12px;
    margin-right: 12px;
    border-radius: 2px;
    width: 412px;
}

#pac-input {
    background-color: #fff;
    font-family: Roboto;
    font-size: 15px;
    font-weight: 300;
    margin-left: 12px;
    padding: 0 11px 0 13px;
    text-overflow: ellipsis;
    width: 400px;
}

#pac-input:focus {
    border-color: #4d90fe;
}

#title {
    color: #fff;
    background-color: #4d90fe;
    font-size: 14px;
    font-weight: 500;
    padding: 6px 12px;
}

#place-autocomplete-card {
    background-color: #fff;
    border-radius: 5px;
    box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
    margin: 10px;
    padding: 5px;
    font-family: Roboto, sans-serif;
    font-size: large;
    font-weight: bold;
}

gmp-place-autocomplete {
    padding-left: 10px;
    width: 405px;
    z-index: 100;
}
style.css

<html>
  <head>
    <title>Map</title>

    <link rel="stylesheet" type="text/css" href="./style.css" />
    <script type="module" src="./index.js"></script>
  </head>
  <body>
    <div id="map"></div>

    <div class="pac-card" id="pac-card">
        <div id="title">Navigate to a place</div>
        <div id="pac-container">
        </div>
    </div>

    <!-- 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: "beta",});</script>
  </body>
</html>
index.html