feat(layer): add getting of layers list

Author: neki-dev

README.md

@@ -60,6 +60,19 @@ const layer = pathfinding.createLayer(
 ```
 * `grid` - _Grid with walkable tiles_
 
+### ⚡️ Get list of created layers
+```ts
+pathfinding.getLayers()
+```
+
+### ⚡️ Get layer by id
+```ts
+pathfinding.getLayer(
+  id: string
+)
+```
+* `id` - _Layer id_
+
 ### ⚡️ Remove exist layer of grid
 ```ts
 layer.remove()

dist/index.js

@@ -24,11 +24,15 @@ export declare class Pathfinding {
      */
     createLayer(grid: PathfindingGrid): PathfindingLayer;
     /**
-     * Check for layer presence.
+     * Get list of created layers.
+     */
+    getLayers(): PathfindingLayer[];
+    /**
+     * Get layer by id.
      *
      * @param id - Layer id
      */
-    hasLayer(id: string): boolean;
+    getLayer(id: string): PathfindingLayer | null;
     /**
      * Remove layer of grid.
      *

dist/pathfinding/index.d.ts

@@ -1,7 +1,7 @@
 {
   "name": "pathfinding-worker",
   "description": "Fast node.js pathfinding on workers for grid-based games",
-  "version": "2.3.0",
+  "version": "2.4.0",
   "keywords": [
     "astar",
     "dijkstra",

package.json

@@ -86,12 +86,19 @@ export class Pathfinding {
   }
 
   /**
-   * Check for layer presence.
+   * Get list of created layers.
+   */
+  public getLayers(): PathfindingLayer[] {
+    return Array.from(this.layers.values());
+  }
+
+  /**
+   * Get layer by id.
    *
    * @param id - Layer id
    */
-  public hasLayer(id: string): boolean {
-    return this.layers.has(id);
+  public getLayer(id: string): PathfindingLayer | null {
+    return this.layers.get(id) ?? null;
   }
 
   /**
@@ -100,7 +107,7 @@ export class Pathfinding {
    * @param id - Layer id
    */
   public removeLayer(id: string): void {
-    if (!this.hasLayer(id)) {
+    if (!this.getLayer(id)) {
       throw Error(`Layer with id '${id}' is not found`);
     }