googlemaps-samples · willum070 · Sep 24, 2025 · Sep 24, 2025
diff --git a/dist/index.html b/dist/index.html
@@ -48,6 +48,7 @@ <h1>Maps JSAPI Samples</h1>
   <li><a href='/samples/deckgl-kml/dist'>deckgl-kml</a></li>
   <li><a href='/samples/deckgl-kml-updated/dist'>deckgl-kml-updated</a></li>
   <li><a href='/samples/deckgl-polygon/dist'>deckgl-polygon</a></li>
+  <li><a href='/samples/layer-data-simple/dist'>layer-data-simple</a></li>
   <li><a href='/samples/map-drawing-terradraw/dist'>map-drawing-terradraw</a></li>
   <li><a href='/samples/map-simple/dist'>map-simple</a></li>
   <li><a href='/samples/place-autocomplete-basic-map/dist'>place-autocomplete-basic-map</a></li>

diff --git a/dist/samples/layer-data-simple/app/.eslintsrc.json b/dist/samples/layer-data-simple/app/.eslintsrc.json
@@ -0,0 +1,13 @@
+{
+  "extends": [
+    "plugin:@typescript-eslint/recommended"
+  ],
+  "parser": "@typescript-eslint/parser",
+  "rules": {
+    "@typescript-eslint/ban-ts-comment": 0,
+    "@typescript-eslint/no-this-alias": 1,
+    "@typescript-eslint/no-empty-function": 1,
+    "@typescript-eslint/explicit-module-boundary-types": 1,
+    "@typescript-eslint/no-unused-vars": 1
+  }
+}
diff --git a/dist/samples/layer-data-simple/app/README.md b/dist/samples/layer-data-simple/app/README.md
@@ -0,0 +1,40 @@
+# Google Maps JavaScript Sample
+
+This sample is generated from @googlemaps/js-samples located at
+https://github.com/googlemaps-samples/js-api-samples.
+
+## Setup
+
+### Before starting run:
+
+`npm i`
+
+### Run an example on a local web server
+
+`cd samples/layer-data-simple`
+`npm start`
+
+### Build an individual example
+
+`cd samples/layer-data-simple`
+`npm run build`
+
+From 'samples':
+
+`npm run build --workspace=layer-data-simple/`
+
+### Build all of the examples.
+
+From 'samples':
+
+`npm run build-all`
+
+### Run lint to check for problems
+
+`cd samples/layer-data-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).
diff --git a/dist/samples/layer-data-simple/app/index.html b/dist/samples/layer-data-simple/app/index.html
@@ -0,0 +1,24 @@
+<!doctype html>
+<!--
+ @license
+ Copyright 2019 Google LLC. All Rights Reserved.
+ SPDX-License-Identifier: Apache-2.0
+-->
+<!-- [START maps_layer_data_simple] -->
+<html>
+  <head>
+    <title>Data Layer: Simple</title>
+
+    <link rel="stylesheet" type="text/css" href="./style.css" />
+    <script type="module" src="./index.js"></script>
+  </head>
+  <body>
+    <!-- Add a comment. -->
+    <gmp-map center="-28,137" zoom="4"></gmp-map>
+
+    <!-- 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>
+  </body>
+</html>
+<!-- [END maps_layer_data_simple] -->
diff --git a/dist/samples/layer-data-simple/app/index.ts b/dist/samples/layer-data-simple/app/index.ts
@@ -0,0 +1,23 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// [START maps_layer_data_simple]
+async function initMap() {
+  (await google.maps.importLibrary("maps")) as google.maps.MapsLibrary;
+
+  const mapElement = document.querySelector(
+    "gmp-map"
+  ) as google.maps.MapElement;
+
+  let innerMap = mapElement.innerMap;
+
+  google.maps.event.addListenerOnce(innerMap, "idle", () => {
+    innerMap.data.loadGeoJson("google.json");
+  });
+}
+
+initMap();
+// [END maps_layer_data_simple]
diff --git a/dist/samples/layer-data-simple/app/package.json b/dist/samples/layer-data-simple/app/package.json
@@ -0,0 +1,12 @@
+{
+  "name": "@js-api-samples/layer-data-simple",
+  "version": "1.0.0",
+  "scripts": {
+    "build": "tsc && bash ../jsfiddle.sh layer-data-simple && bash ../app.sh layer-data-simple && bash ../docs.sh layer-data-simple && npm run build:vite --workspace=. && bash ../dist.sh layer-data-simple",
+    "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/dist/samples/layer-data-simple/app/style.css b/dist/samples/layer-data-simple/app/style.css
@@ -0,0 +1,25 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+/* [START maps_layer_data_simple] */
+/* 
+ * Always set the map height explicitly to define the size of the div element
+ * that contains the map. 
+ */
+#map {
+  height: 100%;
+}
+
+/* 
+ * Optional: Makes the sample page fill the window. 
+ */
+html,
+body {
+  height: 100%;
+  margin: 0;
+  padding: 0;
+}
+
+/* [END maps_layer_data_simple] */
diff --git a/dist/samples/layer-data-simple/app/tsconfig.json b/dist/samples/layer-data-simple/app/tsconfig.json
@@ -0,0 +1,11 @@
+{
+  "compilerOptions": {
+    "module": "esnext",
+    "target": "esnext",
+    "strict": true,
+    "noImplicitAny": false,
+    "lib": ["es2015", "esnext", "es6", "dom", "dom.iterable"],
+    "moduleResolution": "Node",
+    "jsx": "preserve"
+  }
+}
diff --git a/dist/samples/layer-data-simple/dist/assets/index-DW_Ml_OD.css b/dist/samples/layer-data-simple/dist/assets/index-DW_Ml_OD.css
@@ -0,0 +1,5 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */#map{height:100%}html,body{height:100%;margin:0;padding:0}
diff --git a/dist/samples/layer-data-simple/dist/assets/index-Eb2hSPIw.js b/dist/samples/layer-data-simple/dist/assets/index-Eb2hSPIw.js
diff --git a/dist/samples/layer-data-simple/dist/google.json b/dist/samples/layer-data-simple/dist/google.json
@@ -0,0 +1,146 @@
+{
+  "type": "FeatureCollection",
+  "features": [
+    {
+      "type": "Feature",
+      "properties": {
+        "letter": "G",
+        "color": "blue",
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+            [122.51, -28.38], [121.77, -28.26], [121.02, -27.91], [120.49, -27.21], [120.14, -26.50],
+            [120.10, -25.64], [120.27, -24.52], [120.67, -23.68], [121.72, -23.32], [122.43, -23.48],
+            [123.04, -24.04], [124.54, -24.28], [124.58, -23.20], [123.61, -22.14]
+          ]
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+          ]
+        ]
+      }
+    },
+    {
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+            [144.31, -28.26], [144.14, -27.41]
+          ],
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+          ]
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+      }
+    }
+  ]
+}
diff --git a/dist/samples/layer-data-simple/dist/index.html b/dist/samples/layer-data-simple/dist/index.html
@@ -0,0 +1,24 @@
+<!doctype html>
+<!--
+ @license
+ Copyright 2019 Google LLC. All Rights Reserved.
+ SPDX-License-Identifier: Apache-2.0
+-->
+<!-- [START maps_layer_data_simple] -->
+<html>
+  <head>
+    <title>Data Layer: Simple</title>
+
+    <script type="module" crossorigin src="./assets/index-Eb2hSPIw.js"></script>
+    <link rel="stylesheet" crossorigin href="./assets/index-DW_Ml_OD.css">
+  </head>
+  <body>
+    <!-- Add a comment. -->
+    <gmp-map center="-28,137" zoom="4"></gmp-map>
+
+    <!-- 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>
+  </body>
+</html>
+<!-- [END maps_layer_data_simple] -->