Switch between basemap layers

Switch between all available basemap layers packaged with Esri Leaflet. For additional explanation, go to the Change the basemap layer tutorial.
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<html>

<head>
  <meta charset="utf-8" />
  <title>Switch between basemap layers</title>
  <meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no" />
  <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" crossorigin="" />
  <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js" crossorigin=""></script>

  <!-- Load Esri Leaflet from CDN -->
  <script src="https://unpkg.com/esri-leaflet@3.0.15/dist/esri-leaflet.js"></script>

  <!-- Load Esri Leaflet Vector from CDN -->
  <script src="https://unpkg.com/esri-leaflet-vector@4.2.8/dist/esri-leaflet-vector.js" crossorigin=""></script>
  <style>
    html,
    body,
    #map {
      padding: 0;
      margin: 0;
      height: 100%;
      width: 100%;
      font-family: Arial, Helvetica, sans-serif;
      font-size: 14px;
      color: #323232;
    }
  </style>
</head>

<body>
  <style>
    body {
      margin: 0;
      padding: 0;
    }

    #map {
      position: absolute;
      top: 0;
      bottom: 0;
      right: 0;
      left: 0;
      font-family: Arial, Helvetica, sans-serif;
      font-size: 14px;
      color: #323232;
    }
  </style>
  <div id="map"></div>
  <script>
    const accessToken = "YOUR_ACCESS_TOKEN";

    const map = L.map("map").setView([-33.87, 151.2], 10);

    function getV2Basemap(style) {
      return L.esri.Vector.vectorBasemapLayer(style, {
        token: accessToken
      })
    }

    L.esri.get(
      "https://basemapstyles-api.arcgis.com/arcgis/rest/services/styles/v2/styles/self",
      { token: accessToken },
      (error, response) => {
        if (error) {
          console.error("Error fetching basemap styles:", error);
          return;
        }

        const styles = {};
        let firstStyleLayer; // Store the first style layer

        response.styles.forEach((style, index) => {
          const layer = getV2Basemap(style.path);
          styles[style.name] = layer;

          if (index === 0) layer.addTo(map);

        });

        L.control.layers(styles, null, { collapsed: false }).addTo(map);
      }
    );
  </script>
</body>

</html>