Added more robust method for only rendering GeoJSON geometry types that are supported

dist/vizicities.js

@@ -11704,6 +11704,14 @@ return /******/ (function(modules) { // webpackBootstrap
 	      features.forEach(function (feature) {
 	        // feature.geometry, feature.properties
 	
+	        // Skip features that aren't polygons
+	        //
+	        // TODO: Add support for all GeoJSON geometry types, including Multi...
+	        // geometry types
+	        if (feature.geometry.type !== 'Polygon') {
+	          return;
+	        }
+	
 	        // Get style object, if provided
 	        if (typeof _this4._options.style === 'function') {
 	          style = _this4._options.style(feature);
@@ -11711,16 +11719,6 @@ return /******/ (function(modules) { // webpackBootstrap
 	
 	        var coordinates = feature.geometry.coordinates;
 	
-	        // Skip if geometry is a point
-	        //
-	        // This should be a user-defined filter as it would be wrong to assume
-	        // that people won't want to output points
-	        //
-	        // The default use-case should be to output points in a different way
-	        if (!coordinates[0] || !coordinates[0][0] || !Array.isArray(coordinates[0][0])) {
-	          return;
-	        }
-	
 	        coordinates = coordinates.map(function (ring) {
 	          return ring.map(function (coordinate) {
 	            var latlon = (0, _geoLatLon2['default'])(coordinate[1], coordinate[0]);

src/layer/tile/GeoJSONTile.js

@@ -267,6 +267,14 @@ class GeoJSONTile extends Tile {
     features.forEach(feature => {
       // feature.geometry, feature.properties
 
+      // Skip features that aren't polygons
+      //
+      // TODO: Add support for all GeoJSON geometry types, including Multi...
+      // geometry types
+      if (feature.geometry.type !== 'Polygon') {
+        return;
+      }
+
       // Get style object, if provided
       if (typeof this._options.style === 'function') {
         style = this._options.style(feature);
@@ -274,16 +282,6 @@ class GeoJSONTile extends Tile {
 
       var coordinates = feature.geometry.coordinates;
 
-      // Skip if geometry is a point
-      //
-      // This should be a user-defined filter as it would be wrong to assume
-      // that people won't want to output points
-      //
-      // The default use-case should be to output points in a different way
-      if (!coordinates[0] || !coordinates[0][0] || !Array.isArray(coordinates[0][0])) {
-        return;
-      }
-
       coordinates = coordinates.map(ring => {
         return ring.map(coordinate => {
           var latlon = LatLon(coordinate[1], coordinate[0]);