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41 changes: 41 additions & 0 deletions samples/geocoding-simple/README.md
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# Google Maps JavaScript Sample

## geocoding-simple

This sample shows how to perform simple geocoding.

## Setup

### Before starting run:

`npm i`

### Run an example on a local web server

`cd samples/geocoding-simple`
`npm start`

### Build an individual example

`cd samples/geocoding-simple`
`npm run build`

From 'samples':

`npm run build --workspace=geocoding-simple/`

### Build all of the examples.

From 'samples':

`npm run build-all`

### Run lint to check for problems

`cd samples/geocoding-simple`
`npx eslint index.ts`

## Feedback

For feedback related to this sample, please open a new issue on
[GitHub](https://github.com/googlemaps-samples/js-api-samples/issues).
36 changes: 36 additions & 0 deletions samples/geocoding-simple/index.html
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<!DOCTYPE html>
<!--
@license
Copyright 2026 Google LLC. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
-->
<!-- [START maps_geocoding_simple] -->
<html>
<head>
<title>Geocoding Service</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="-34.397, 150.644" zoom="10" map-id="DEMO_MAP_ID">
<div id="floating-panel" slot="control-block-start-inline-start">
<input
type="text"
id="address"
placeholder="Enter an address or click the map to reverse geocode." />
<br />
<input type="button" id="submit" value="Geocode" />
<input type="button" id="clear" value="Clear Results" />
<br />
</div>
<pre id="response-container" slot="control-block-start-inline-end">
<code id="response"></code>
</pre>
</gmp-map>
</body>
</html>
<!-- [END maps_geocoding_simple] -->
101 changes: 101 additions & 0 deletions samples/geocoding-simple/index.ts
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/**
* @license
* Copyright 2026 Google LLC. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0
*/

// [START maps_geocoding_simple]
let geocoder: google.maps.Geocoder;
let mapElement;
let innerMap;
let marker;
let responseDiv;
let response;

async function initMap() {
// Request the needed libraries.
const [{ Map, InfoWindow }, { Geocoder }, { AdvancedMarkerElement }] =
await Promise.all([
google.maps.importLibrary(
'maps'
) as Promise<google.maps.MapsLibrary>,
google.maps.importLibrary(
'geocoding'
) as Promise<google.maps.GeocodingLibrary>,
google.maps.importLibrary(
'marker'
) as Promise<google.maps.MarkerLibrary>,
]);

// Get the gmp-map element.
mapElement = document.querySelector(
'gmp-map'
) as google.maps.MapElement;

// Get the inner map.
innerMap = mapElement.innerMap;

// Set the cursor to crosshair.
innerMap.setOptions({
mapTypeControl: false,
fullscreenControl: false,
cameraControlOptions: {
position: google.maps.ControlPosition.INLINE_START_BLOCK_END,
},
draggableCursor: 'crosshair',
});


geocoder = new google.maps.Geocoder();

const inputText = document.getElementById('address') as HTMLInputElement;
const submitButton = document.getElementById('submit') as HTMLInputElement;
const clearButton = document.getElementById('clear') as HTMLInputElement;
responseDiv = document.getElementById('response-container') as HTMLDivElement;
response = document.getElementById('response') as HTMLPreElement;

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

innerMap.addListener('click', (e: google.maps.MapMouseEvent) => {
geocode({ location: e.latLng });
});

submitButton.addEventListener('click', () =>
geocode({ address: inputText.value })
);

clearButton.addEventListener('click', () => {
clear();
});

clear();
}

async function clear() {
marker.setMap(null);
responseDiv.style.display = 'none';
}

async function geocode(request: google.maps.GeocoderRequest) {
clear();

geocoder
.geocode(request)
.then((result) => {
const { results } = result;
innerMap.setCenter(results[0].geometry.location);
marker.position = new google.maps.LatLng(results[0].geometry.location);
mapElement.append(marker);
responseDiv.style.display = 'block';
response.innerText = JSON.stringify(result, null, 2);
return results;
})
.catch((e) => {
alert('Geocode was not successful for the following reason: ' + e);
});
}

initMap();
// [END maps_geocoding_simple]
14 changes: 14 additions & 0 deletions samples/geocoding-simple/package.json
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{
"name": "@js-api-samples/geocoding-simple",
"version": "1.0.0",
"scripts": {
"build": "tsc && bash ../jsfiddle.sh geocoding-simple && bash ../app.sh geocoding-simple && bash ../docs.sh geocoding-simple && npm run build:vite --workspace=. && bash ../dist.sh geocoding-simple",
"test": "tsc && npm run build:vite --workspace=.",
"start": "tsc && vite build --base './' && vite",
"build:vite": "vite build --base './'",
"preview": "vite preview"
},
"dependencies": {

}
}
78 changes: 78 additions & 0 deletions samples/geocoding-simple/style.css
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/**
* @license
* Copyright 2026 Google LLC. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0
*/
/* [START maps_geocoding_simple] */
gmp-map {
height: 100%;
width: 100%;
}

/*
* Optional: Makes the sample page fill the window.
*/
html,
body {
height: 100%;
margin: 0;
padding: 0;
}

#floating-panel {
background-color: #fff;
border-radius: 5px;
box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
margin: 10px;
padding: 5px;
font: 400 18px Roboto, Arial, sans-serif;
width: 350px;
height: 100px
}

#response-container {
background-color: #fff;
border: 0;
border-radius: 5px;
box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
padding: 5px;
margin: 10px;
font-size: small;
width: 400px;
background-color: rgba(255, 255, 255, 0.95);
max-height: 70vh;
overflow-x: auto;
display: none;
}

#address {
width: 100%;
padding: 10px;
margin: 5px 0;
box-sizing: border-box;
}

#submit,
#clear {
background-color: #fff;
border: 0;
border-radius: 2px;
box-shadow: 0 1px 4px -1px rgba(0, 0, 0, 0.3);
height: 40px;
cursor: pointer;
}

#clear:hover {
background: rgb(235, 235, 235);
}

#submit {
background-color: #1a73e8;
color: white;
}

#submit:hover {
background-color: #1765cc;
}

/* [END maps_geocoding_simple] */
17 changes: 17 additions & 0 deletions samples/geocoding-simple/tsconfig.json
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{
"compilerOptions": {
"module": "esnext",
"target": "esnext",
"strict": true,
"noImplicitAny": false,
"lib": [
"es2015",
"esnext",
"es6",
"dom",
"dom.iterable"
],
"moduleResolution": "Node",
"jsx": "preserve"
}
}
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