commited for presentation.

lib/pixi/maps/geojson.js

@@ -39,6 +39,15 @@ export default class GeoJson {
         return ['Point', 'LineString', 'Polygon', 'MultiPoint', 'MultiLineString', 'MultiPolygon']
     }
 
+    /**
+     * Takes a JSON object that contains a FeatureCollection and returns an array
+     * of GeoJson objects.
+     *
+     * @static
+     * @param {array} featureCollection - Array of GeoJSON objects that were contained in the feature collection.
+     * @returns {array} Returns an array of geo json objects.
+     * @memberof GeoJson
+     */
     static unwrapFeatureCollection(featureCollection) {
         if (featureCollection.features == null) {
             console.error(
@@ -63,12 +72,22 @@ export default class GeoJson {
         return list
     }
 
+    /**
+     * Validates and converts one set of coordinates of a specific type.
+     *
+     * @static
+     * @param {string} type - Type of the GeoJson.
+     * @param {array} coordinates - array of points.
+     * @returns {array}
+     * @memberof GeoJson
+     */
     static validateAndConvert(type, coordinates) {
+        let converted = null
+
         if (!GeoJson.validateType(type)) throw new GeoJson.InvalidTypeError(type)
         else {
             if (GeoJson.validateCoordinates(type, coordinates)) {
-                let converted = GeoJson.convert(type, coordinates)
-                return converted
+                converted = GeoJson.convert(type, coordinates)
             } else {
                 console.error(
                     `Coordinates are invalid. They must be in format of type '${type} - ${GeoJson._getFormatStringOfType(
@@ -77,6 +96,8 @@ export default class GeoJson {
                 )
             }
         }
+
+        return converted
     }
 
     static validateType(type) {