Renamed 'MapView' to 'MapViewport'. Added documentation to the maps module.

lib/pixi/maps/mapapp.js

@@ -11,6 +11,9 @@ import { MapList } from './maplist.js'
  * MapApp is responsible for showing fullscreen
  * map applications.
  *
+ * @export
+ * @class MapApp
+ * @extends {PIXIApp}
  */
 export default class MapApp extends PIXIApp {
     constructor(opts = {}) {
@@ -191,9 +194,9 @@ export default class MapApp extends PIXIApp {
     }
 
     selectMap(key) {
+        if (this.debug) console.log('Select map', key, result)
         let result = this.mapList.select(key)
 
-        console.log('Select map', key, result)
         if (result && this.mapLayer) {
             this.mapLayer.changeMap(this.mapList.map)
         }
@@ -226,6 +229,14 @@ export default class MapApp extends PIXIApp {
         this.onTransform.call(this, event)
     }
 
+    /**
+     *
+     * Called when the mapLayer changed the map.
+     *
+     * @private
+     * @param {*} lastMap
+     * @memberof MapApp
+     */
     _mapChanged(lastMap) {
         if (lastMap) {
             lastMap.flushHandlers()