fix few TS declaration issues in the example folder

Author: obiot

packages/examples/src/examples/deviceTest/ExampleDeviceTest.tsx

@@ -1,7 +1,9 @@
 import {
+	type CanvasRenderer,
 	ColorLayer,
 	Renderable,
 	Text,
+	type WebGLRenderer,
 	device,
 	game,
 	input,
@@ -23,11 +25,11 @@ class DeviceInfo extends Renderable {
 		this.anchorPoint.set(0, 0);
 	}
 
-	update() {
+	override update() {
 		return true;
 	}
 
-	draw(renderer) {
+	override draw(renderer: WebGLRenderer | CanvasRenderer) {
 		// current device orientation ("portrait" or "landscape")
 		const orientation = device.getScreenOrientation();
 

packages/examples/src/examples/platformer/gameState.ts

@@ -1,3 +1,5 @@
+import type { TextureAtlas } from "melonjs"; // Replace 'path/to/TextureAtlas' with the actual path to the TextureAtlas class.
+
 export const gameState = {
 	/**
 	 * object where to store game global scole
@@ -8,5 +10,5 @@ export const gameState = {
 	},
 
 	// a reference to the texture atlas
-	texture: null,
+	texture: undefined as TextureAtlas | undefined,
 };

packages/examples/src/examples/platformer/play.ts

@@ -4,10 +4,13 @@ import { VirtualJoypad } from "./entities/controls";
 import { gameState } from "./gameState";
 
 export class PlayScreen extends Stage {
+	private virtualJoypad?: VirtualJoypad;
+	private HUD?: UIContainer;
+
 	/**
 	 *  action to perform on state change
 	 */
-	onResetEvent() {
+	override onResetEvent() {
 		// load a level
 		level.load("map1");
 
@@ -35,16 +38,18 @@ export class PlayScreen extends Stage {
 	/**
 	 *  action to perform on state change
 	 */
-	onDestroyEvent() {
+	override onDestroyEvent() {
 		// remove the HUD from the game world
-		game.world.removeChild(this.HUD);
+		if (this.HUD) {
+			game.world.removeChild(this.HUD);
+		}
 
 		// remove the joypad if initially added
 		if (this.virtualJoypad && game.world.hasChild(this.virtualJoypad)) {
 			game.world.removeChild(this.virtualJoypad);
 		}
 
 		// stop some music
-		audio.stopTrack("dst-gameforest");
+		audio.stopTrack();
 	}
 }