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feat: Migrate geocoding-simple (#1049)
* feat: Migrates the geocoding-simple sample. * feat: Updates for current standards; improvements. * Remove TODO comments from index.ts Removed TODO comments regarding JSON formatting issue. * Refactor marker initialization in geocoding sample * Remove empty dependencies section from package.json
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‎samples/geocoding-simple/README.md‎

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# Google Maps JavaScript Sample
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## geocoding-simple
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This sample shows how to perform simple geocoding.
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## Setup
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### Before starting run:
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`npm i`
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### Run an example on a local web server
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`cd samples/geocoding-simple`
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`npm start`
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### Build an individual example
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`cd samples/geocoding-simple`
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`npm run build`
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From 'samples':
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`npm run build --workspace=geocoding-simple/`
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### Build all of the examples.
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From 'samples':
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`npm run build-all`
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### Run lint to check for problems
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`cd samples/geocoding-simple`
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`npx eslint index.ts`
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## Feedback
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For feedback related to this sample, please open a new issue on
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[GitHub](https://github.com/googlemaps-samples/js-api-samples/issues).

‎samples/geocoding-simple/index.html‎

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<!DOCTYPE html>
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<!--
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@license
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Copyright 2026 Google LLC. All Rights Reserved.
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SPDX-License-Identifier: Apache-2.0
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-->
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<!-- [START maps_geocoding_simple] -->
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<html>
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<head>
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<title>Geocoding Service</title>
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<link rel="stylesheet" type="text/css" href="./style.css" />
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<script type="module" src="./index.js"></script>
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<!-- prettier-ignore -->
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<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))})
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({key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8", v: "weekly"});</script>
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</head>
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<body>
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<gmp-map center="-34.397, 150.644" zoom="10" map-id="DEMO_MAP_ID">
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<div id="floating-panel" slot="control-block-start-inline-start">
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<input
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type="text"
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id="address"
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placeholder="Enter an address or click the map to reverse geocode." />
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<br />
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<input type="button" id="submit" value="Geocode" />
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<input type="button" id="clear" value="Clear Results" />
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<br />
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</div>
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<pre id="response-container" slot="control-block-start-inline-end">
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<code id="response"></code>
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</pre>
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</gmp-map>
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</body>
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</html>
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<!-- [END maps_geocoding_simple] -->

‎samples/geocoding-simple/index.ts‎

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/**
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* @license
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* Copyright 2026 Google LLC. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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// [START maps_geocoding_simple]
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let geocoder: google.maps.Geocoder;
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let mapElement;
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let innerMap;
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let marker;
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let responseDiv;
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let response;
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async function initMap() {
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// Request the needed libraries.
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const [{ Map, InfoWindow }, { Geocoder }, { AdvancedMarkerElement }] =
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await Promise.all([
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google.maps.importLibrary(
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'maps'
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) as Promise<google.maps.MapsLibrary>,
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google.maps.importLibrary(
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'geocoding'
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) as Promise<google.maps.GeocodingLibrary>,
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google.maps.importLibrary(
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'marker'
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) as Promise<google.maps.MarkerLibrary>,
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]);
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// Get the gmp-map element.
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mapElement = document.querySelector(
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'gmp-map'
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) as google.maps.MapElement;
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// Get the inner map.
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innerMap = mapElement.innerMap;
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// Set the cursor to crosshair.
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innerMap.setOptions({
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mapTypeControl: false,
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fullscreenControl: false,
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cameraControlOptions: {
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position: google.maps.ControlPosition.INLINE_START_BLOCK_END,
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},
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draggableCursor: 'crosshair',
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});
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geocoder = new google.maps.Geocoder();
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const inputText = document.getElementById('address') as HTMLInputElement;
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const submitButton = document.getElementById('submit') as HTMLInputElement;
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const clearButton = document.getElementById('clear') as HTMLInputElement;
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responseDiv = document.getElementById('response-container') as HTMLDivElement;
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response = document.getElementById('response') as HTMLPreElement;
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marker = new google.maps.marker.AdvancedMarkerElement({});
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innerMap.addListener('click', (e: google.maps.MapMouseEvent) => {
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geocode({ location: e.latLng });
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});
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submitButton.addEventListener('click', () =>
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geocode({ address: inputText.value })
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);
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clearButton.addEventListener('click', () => {
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clear();
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});
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clear();
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}
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async function clear() {
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marker.setMap(null);
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responseDiv.style.display = 'none';
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}
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async function geocode(request: google.maps.GeocoderRequest) {
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clear();
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geocoder
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.geocode(request)
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.then((result) => {
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const { results } = result;
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innerMap.setCenter(results[0].geometry.location);
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marker.position = new google.maps.LatLng(results[0].geometry.location);
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mapElement.append(marker);
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responseDiv.style.display = 'block';
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response.innerText = JSON.stringify(result, null, 2);
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return results;
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})
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.catch((e) => {
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alert('Geocode was not successful for the following reason: ' + e);
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});
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}
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initMap();
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// [END maps_geocoding_simple]

‎samples/geocoding-simple/package.json‎

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{
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"name": "@js-api-samples/geocoding-simple",
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"version": "1.0.0",
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"scripts": {
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"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",
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"test": "tsc && npm run build:vite --workspace=.",
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"start": "tsc && vite build --base './' && vite",
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"build:vite": "vite build --base './'",
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"preview": "vite preview"
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}
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}

‎samples/geocoding-simple/style.css‎

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/**
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* @license
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* Copyright 2026 Google LLC. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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/* [START maps_geocoding_simple] */
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gmp-map {
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height: 100%;
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width: 100%;
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}
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/*
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* Optional: Makes the sample page fill the window.
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*/
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html,
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body {
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height: 100%;
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margin: 0;
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padding: 0;
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}
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#floating-panel {
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background-color: #fff;
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border-radius: 5px;
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box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
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margin: 10px;
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padding: 5px;
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font: 400 18px Roboto, Arial, sans-serif;
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width: 350px;
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height: 100px
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}
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#response-container {
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background-color: #fff;
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border: 0;
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border-radius: 5px;
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box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;
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padding: 5px;
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margin: 10px;
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font-size: small;
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width: 400px;
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background-color: rgba(255, 255, 255, 0.95);
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max-height: 70vh;
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overflow-x: auto;
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display: none;
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}
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#address {
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width: 100%;
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padding: 10px;
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margin: 5px 0;
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box-sizing: border-box;
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}
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#submit,
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#clear {
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background-color: #fff;
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border: 0;
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border-radius: 2px;
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box-shadow: 0 1px 4px -1px rgba(0, 0, 0, 0.3);
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height: 40px;
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cursor: pointer;
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}
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#clear:hover {
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background: rgb(235, 235, 235);
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}
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#submit {
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background-color: #1a73e8;
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color: white;
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}
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#submit:hover {
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background-color: #1765cc;
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}
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/* [END maps_geocoding_simple] */

‎samples/geocoding-simple/tsconfig.json‎

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{
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"compilerOptions": {
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"module": "esnext",
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"target": "esnext",
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"strict": true,
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"noImplicitAny": false,
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"lib": [
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"es2015",
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"esnext",
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"es6",
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"dom",
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"dom.iterable"
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],
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"moduleResolution": "Node",
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"jsx": "preserve"
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}
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}

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