Remove enumLayer and enumItemType

src/js/game/items/boolean_item.js

@@ -1,7 +1,7 @@
 import { DrawParameters } from "../../core/draw_parameters";
 import { Loader } from "../../core/loader";
 import { types } from "../../savegame/serialization";
-import { BaseItem, enumItemType } from "../base_item";
+import { BaseItem } from "../base_item";
 
 export class BooleanItem extends BaseItem {
     static getId() {
@@ -20,8 +20,9 @@ export class BooleanItem extends BaseItem {
         this.value = data;
     }
 
+    /** @returns {"boolean"} **/
     getItemType() {
-        return enumItemType.boolean;
+        return "boolean";
     }
 
     /**

src/js/game/items/color_item.js

@@ -2,7 +2,7 @@ import { globalConfig } from "../../core/config";
 import { smoothenDpi } from "../../core/dpi_manager";
 import { DrawParameters } from "../../core/draw_parameters";
 import { types } from "../../savegame/serialization";
-import { BaseItem, enumItemType } from "../base_item";
+import { BaseItem } from "../base_item";
 import { enumColors, enumColorsToHexCode } from "../colors";
 import { THEME } from "../theme";
 
@@ -23,8 +23,9 @@ export class ColorItem extends BaseItem {
         this.color = data;
     }
 
+    /** @returns {"color"} **/
     getItemType() {
-        return enumItemType.color;
+        return "color";
     }
 
     /**

src/js/game/items/shape_item.js

@@ -1,6 +1,6 @@
 import { DrawParameters } from "../../core/draw_parameters";
 import { types } from "../../savegame/serialization";
-import { BaseItem, enumItemType } from "../base_item";
+import { BaseItem } from "../base_item";
 import { ShapeDefinition } from "../shape_definition";
 import { THEME } from "../theme";
 
@@ -21,8 +21,9 @@ export class ShapeItem extends BaseItem {
         this.definition = ShapeDefinition.fromShortKey(data);
     }
 
+    /** @returns {"shape"} **/
     getItemType() {
-        return enumItemType.shape;
+        return "shape";
     }
 
     /**