Added functionality and dark mode to doctests. And other changes in maps.

lib/pixi/maps/maplist.js

@@ -1,5 +1,5 @@
 export class MapList {
-    constructor(active, maps) {
+    constructor(active = null, maps = {}) {
         this.maps = maps
         this.active = active
 
@@ -40,6 +40,16 @@ export class MapList {
         return map
     }
 
+    clone() {
+        let maps = {}
+
+        for (let name of Object.keys(this.maps)) {
+            maps[name] = this.maps[name].clone()
+        }
+
+        return new MapList(this.active, maps)
+    }
+
     add(key, map) {
         if (this.maps[key] != null) consol.warn('Key already in mapList. The existing key was overwritten.')
         map.name = key
@@ -47,15 +57,14 @@ export class MapList {
     }
 
     get map() {
-        console.log(this.maps, this.active)
-        return this.maps[this.active]
+        return this.maps && this.maps[this.active] ? this.maps[this.active] : null
     }
 
     next() {
         let keys = Object.keys(this.maps)
         let idx = keys.indexOf(this.active)
 
-        let next = idx + 1 < key.length ? keys[idx + 1] : keys[0]
+        let next = idx + 1 < keys.length ? keys[idx + 1] : keys[0]
         console.log(keys, idx, next)
         return next
     }