Render Shapes - GeoJSON data

Sample code for Woosmap Map JavaScript API author(s): Woosmap

HTML

<!DOCTYPE html>
<html>
  <head>
    <title>Render Shapes - GeoJSON data</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta charset="utf-8" />

    <!-- jsFiddle will insert css and js -->
  </head>
  <body>
    <!--The div element for the map -->
    <wmp-map id="map"></wmp-map>

    <script>
      ((g) => {
        let p;
        const w = window,
          d = document;
        const L = "importLibrary",
          CB = "__ib__";
        const E = "The Woosmap Maps JavaScript API";
        const woosmap = w.woosmap || (w.woosmap = {});
        const maps = woosmap.map || (woosmap.map = {});
        // Seed with the sample's configured libraries: some (e.g. widgets) are
        // not importLibrary() names and only load through the script URL.
        const libs = new Set(
            String(g.libraries || "")
              .split(",")
              .filter(Boolean),
          ),
          params = new URLSearchParams();
        const load = () =>
          p ||
          (p = new Promise((res, rej) => {
            const s = d.createElement("script");
            params.set("libraries", [...libs].join(","));
            for (const k in g)
              if (k !== "libraries" && g[k]) params.set(k, g[k]);
            params.set("callback", "woosmap.map." + CB);
            s.src = "https://sdk.woosmap.com/map/map.js?" + params;
            maps[CB] = res;
            s.onerror = () => rej(Error(E + " could not load."));
            s.nonce = d.querySelector("script[nonce]")?.nonce || "";
            d.head.append(s);
          }));
        if (maps[L]) {
          console.warn(E + " only loads once. Ignoring:", g);
        } else {
          maps[L] = (name, ...args) =>
            libs.add(name) && load().then(() => maps[L](name, ...args));
        }
      })({
        key: "woos-e1e5490b-19d1-34f8-9955-fd5cfc8c880f",
        libraries: "",
        language: "",
      });
    </script>
  </body>
</html>

CSS

/*
 * Always set the map height explicitly to define the size of the element
 * that contains the map. `display: block` is required for <wmp-map>/<gmp-map>,
 * which default to inline like any other custom element outside a flex/grid
 * container (no-op for a plain <div>).
 */
#map {
  display: block;
  width: 100%;
  height: 100%;
}

/*
 * Optional: Makes the sample page fill the window.
 */
html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica Neue, Arial, Noto Sans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji;
}

JavaScript

// Initialize and add the map
let map;

async function initMap() {
  await woosmap.map.importLibrary("maps");
  map = document.getElementById("map").innerMap;
  map.moveCamera({
    center: { lat: 53.51, lng: 8.15 },
    zoom: 4,
  });
  map.data.loadGeoJson(
    "https://demo.woosmap.com/misc/data/europe.geojson.json",
  );

  const defaultStyle = {
    fillColor: "#FFAB00",
    strokeWeight: 2,
  };

  map.data.setStyle((feature) => {
    let color = defaultStyle.fillColor;

    if (feature.getProperty("highlighted")) {
      color = "#C51162";
    }
    return {
      fillColor: color,
      strokeColor: color,
      strokeOpacity: 1,
      strokeWeight: defaultStyle.strokeWeight,
    };
  });

  let highlightedFeatureId;

  if (map && map.data) {
    map.data.addListener("click", (event) => {
      if (highlightedFeatureId) {
        const highlightedFeature =
          map.data.getFeatureById(highlightedFeatureId);

        if (highlightedFeature) {
          highlightedFeature.setProperty("highlighted", false);
        }
      }

      event.feature.setProperty("highlighted", true);
      highlightedFeatureId = event.feature.getId();
    });
  }
}

initMap();