diff --git a/samples/geocoding-reverse/README.md b/samples/geocoding-reverse/README.md new file mode 100644 index 00000000..0322715e --- /dev/null +++ b/samples/geocoding-reverse/README.md @@ -0,0 +1,41 @@ +# Google Maps JavaScript Sample + +## geocoding-reverse + +The geocoding-reverse sample demonstrates reverse geocoding coordinates to addresses. + +## Setup + +### Before starting run: + +`npm i` + +### Run an example on a local web server + +`cd samples/geocoding-reverse` +`npm start` + +### Build an individual example + +`cd samples/geocoding-reverse` +`npm run build` + +From 'samples': + +`npm run build --workspace=geocoding-reverse/` + +### Build all of the examples. + +From 'samples': + +`npm run build-all` + +### Run lint to check for problems + +`cd samples/geocoding-reverse` +`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). diff --git a/samples/geocoding-reverse/index.html b/samples/geocoding-reverse/index.html new file mode 100644 index 00000000..285ca6f2 --- /dev/null +++ b/samples/geocoding-reverse/index.html @@ -0,0 +1,34 @@ + + + + + + Reverse Geocoding + + + + + + + + +
+

+ Click the map to reverse geocode, or paste in your own + coordinates. +

+
+ +
+
+ + + diff --git a/samples/geocoding-reverse/index.ts b/samples/geocoding-reverse/index.ts new file mode 100644 index 00000000..fc724a6a --- /dev/null +++ b/samples/geocoding-reverse/index.ts @@ -0,0 +1,95 @@ +/** + * @license + * Copyright 2026 Google LLC. All Rights Reserved. + * SPDX-License-Identifier: Apache-2.0 + */ +// [START maps_geocoding_reverse] +let marker; + +async function initMap() { + // Request the needed libraries. + const [{ Map, InfoWindow }, { Geocoder }, { AdvancedMarkerElement }] = + await Promise.all([ + google.maps.importLibrary( + 'maps' + ) as Promise, + google.maps.importLibrary( + 'geocoding' + ) as Promise, + google.maps.importLibrary( + 'marker' + ) as Promise, + ]); + + // Get the gmp-map element. + const mapElement = document.querySelector( + 'gmp-map' + ) as google.maps.MapElement; + + // Get the inner map. + const innerMap = mapElement.innerMap; + + // Get the latlng input box. + const latLngQuery = document.getElementById('latlng') as HTMLInputElement; + + // Get the submit button. + const submitButton = document.getElementById('submit') as HTMLElement; + + // Set the cursor to crosshair. + innerMap.setOptions({ + draggableCursor: 'crosshair', + zoom: 13, + }); + + // Create a marker for re-use. + marker = new AdvancedMarkerElement({ + map: innerMap, + }); + + const geocoder = new Geocoder(); + const infowindow = new InfoWindow(); + + // Add a click event listener to the submit button. + submitButton.addEventListener('click', () => { + geocodeLatLng(geocoder, innerMap, infowindow); + }); + + // Add a click event listener to the map. + innerMap.addListener('click', (event) => { + latLngQuery.value = `${event.latLng.lat()}, ${event.latLng.lng()}`; + geocodeLatLng(geocoder, innerMap, infowindow); + }); + + // Make an initial request upon loading. + geocodeLatLng(geocoder, innerMap, infowindow); +} + +async function geocodeLatLng( + geocoder: google.maps.Geocoder, + map: google.maps.Map, + infowindow: google.maps.InfoWindow +) { + const input = (document.getElementById('latlng') as HTMLInputElement).value; + const latlngStr = input.split(',', 2); + const latlng = { + lat: parseFloat(latlngStr[0]), + lng: parseFloat(latlngStr[1]), + }; + + geocoder + .geocode({ location: latlng }) + .then((response) => { + if (response.results[0]) { + marker.position = latlng; + map.setCenter(latlng); + infowindow.setContent(response.results[0].formatted_address); + infowindow.open(map, marker); + } else { + window.alert('No results found'); + } + }) + .catch((e) => window.alert('Geocoder failed due to: ' + e)); +} + +initMap(); +// [END maps_geocoding_reverse] diff --git a/samples/geocoding-reverse/package.json b/samples/geocoding-reverse/package.json new file mode 100644 index 00000000..f8a1c325 --- /dev/null +++ b/samples/geocoding-reverse/package.json @@ -0,0 +1,14 @@ +{ + "name": "@js-api-samples/geocoding-reverse", + "version": "1.0.0", + "scripts": { + "build": "tsc && bash ../jsfiddle.sh geocoding-reverse && bash ../app.sh geocoding-reverse && bash ../docs.sh geocoding-reverse && npm run build:vite --workspace=. && bash ../dist.sh geocoding-reverse", + "test": "tsc && npm run build:vite --workspace=.", + "start": "tsc && vite build --base './' && vite", + "build:vite": "vite build --base './'", + "preview": "vite preview" + }, + "dependencies": { + + } +} diff --git a/samples/geocoding-reverse/style.css b/samples/geocoding-reverse/style.css new file mode 100644 index 00000000..55a85b12 --- /dev/null +++ b/samples/geocoding-reverse/style.css @@ -0,0 +1,46 @@ +/** +* @license +* Copyright 2026 Google LLC. All Rights Reserved. +* SPDX-License-Identifier: Apache-2.0 +*/ +/* [START maps_geocoding_reverse] */ +/* +* Always set the map height explicitly to define the size of the div element +* that contains the map. +*/ +gmp-map { + height: 100%; +} + +/* +* Optional: Makes the sample page fill the window. +*/ +html, +body { + height: 100%; + margin: 0; + padding: 0; + font-family: Roboto, sans-serif; +} + +#floating-panel { + 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; +} + +#latlng { + width: 100%; + font-family: Roboto, sans-serif; + font-size: 1rem; + margin-bottom: 4px; +} + +#submit { + font-size: 1rem; +} +/* [END maps_geocoding_reverse] */ diff --git a/samples/geocoding-reverse/tsconfig.json b/samples/geocoding-reverse/tsconfig.json new file mode 100644 index 00000000..366aabb0 --- /dev/null +++ b/samples/geocoding-reverse/tsconfig.json @@ -0,0 +1,17 @@ +{ + "compilerOptions": { + "module": "esnext", + "target": "esnext", + "strict": true, + "noImplicitAny": false, + "lib": [ + "es2015", + "esnext", + "es6", + "dom", + "dom.iterable" + ], + "moduleResolution": "Node", + "jsx": "preserve" + } +}