Merge pull request #173 from thecodingmachine/stricter_lint_front

Enabling stricter lint: forbidding usage of any on front

front/.eslintrc.json

@@ -7,7 +7,8 @@
     },
     "extends": [
         "eslint:recommended",
-        "plugin:@typescript-eslint/eslint-recommended"
+        "plugin:@typescript-eslint/eslint-recommended",
+        "plugin:@typescript-eslint/recommended-requiring-type-checking"
     ],
     "globals": {
         "Atomics": "readonly",
@@ -16,12 +17,14 @@
     "parser": "@typescript-eslint/parser",
     "parserOptions": {
         "ecmaVersion": 2018,
-        "sourceType": "module"
+        "sourceType": "module",
+        "project": "./tsconfig.json"
     },
     "plugins": [
         "@typescript-eslint"
     ],
     "rules": {
-        "no-unused-vars": "off"
+        "no-unused-vars": "off",
+        "@typescript-eslint/no-explicit-any": "error"
     }
-}
+}

front/src/Connection.ts

@@ -8,6 +8,7 @@ const SocketIo = require('socket.io-client');
 import Socket = SocketIOClient.Socket;
 import {PlayerAnimationNames} from "./Phaser/Player/Animation";
 import {UserSimplePeer} from "./WebRtc/SimplePeer";
+import {SignalData} from "simple-peer";
 
 
 enum EventMessage{
@@ -110,22 +111,29 @@ export interface WebRtcDisconnectMessageInterface {
     userId: string
 }
 
+export interface WebRtcSignalMessageInterface {
+    userId: string,
+    receiverId: string,
+    roomId: string,
+    signal: SignalData
+}
+
 export interface ConnectionInterface {
     socket: Socket|null;
     token: string|null;
     name: string|null;
     userId: string|null;
 
-    createConnection(name: string, characterSelected: string): Promise<any>;
+    createConnection(name: string, characterSelected: string): Promise<ConnectionInterface>;
 
-    loadStartMap(): Promise<any>;
+    loadStartMap(): Promise<StartMapInterface>;
 
     joinARoom(roomId: string, startX: number, startY: number, direction: string, moving: boolean): void;
 
     sharePosition(x: number, y: number, direction: string, moving: boolean): void;
 
     /*webrtc*/
-    sendWebrtcSignal(signal: any, roomId: string, userId?: string|null, receiverId?: string): void;
+    sendWebrtcSignal(signal: unknown, roomId: string, userId?: string|null, receiverId?: string): void;
 
     receiveWebrtcSignal(callBack: Function): void;
 
@@ -134,6 +142,11 @@ export interface ConnectionInterface {
     disconnectMessage(callBack: (message: WebRtcDisconnectMessageInterface) => void): void;
 }
 
+export interface StartMapInterface {
+    mapUrlStart: string,
+    startInstance: string
+}
+
 export class Connection implements ConnectionInterface {
     socket: Socket|null = null;
     token: string|null = null;
@@ -225,7 +238,7 @@ export class Connection implements ConnectionInterface {
     }
 
     //TODO add middleware with access token to secure api
-    loadStartMap() : Promise<any> {
+    loadStartMap() : Promise<StartMapInterface> {
         return Axios.get(`${API_URL}/start-map`)
             .then((res) => {
                 return res.data;
@@ -236,7 +249,7 @@ export class Connection implements ConnectionInterface {
     }
 
     joinARoom(roomId: string, startX: number, startY: number, direction: string, moving: boolean): void {
-        let point = new Point(startX, startY, direction, moving);
+        const point = new Point(startX, startY, direction, moving);
         this.lastPositionShared = point;
         this.getSocket().emit(EventMessage.JOIN_ROOM, { roomId, position: {x: startX, y: startY, direction, moving }}, (userPositions: MessageUserPositionInterface[]) => {
             this.GameManager.initUsersPosition(userPositions);
@@ -248,7 +261,7 @@ export class Connection implements ConnectionInterface {
         if(!this.socket){
             return;
         }
-        let point = new Point(x, y, direction, moving);
+        const point = new Point(x, y, direction, moving);
         this.lastPositionShared = point;
         this.getSocket().emit(EventMessage.USER_POSITION, point);
     }
@@ -284,7 +297,7 @@ export class Connection implements ConnectionInterface {
         })
     }
 
-    sendWebrtcSignal(signal: any, roomId: string, userId? : string|null, receiverId? : string) {
+    sendWebrtcSignal(signal: unknown, roomId: string, userId? : string|null, receiverId? : string) {
         return this.getSocket().emit(EventMessage.WEBRTC_SIGNAL, {
             userId: userId ? userId : this.userId,
             receiverId: receiverId ? receiverId : this.userId,
@@ -297,7 +310,7 @@ export class Connection implements ConnectionInterface {
         this.getSocket().on(EventMessage.WEBRTC_START, callback);
     }
 
-    receiveWebrtcSignal(callback: Function) {
+    receiveWebrtcSignal(callback: (message: WebRtcSignalMessageInterface) => void) {
         return this.getSocket().on(EventMessage.WEBRTC_SIGNAL, callback);
     }
 

front/src/Cypress/CypressAsserter.ts

@@ -1,13 +1,17 @@
-declare let window:any;
+declare let window:WindowWithCypressAsserter;
+
+interface WindowWithCypressAsserter extends Window {
+    cypressAsserter: CypressAsserter;
+}
 
 //this class is used to communicate with cypress, our e2e testing client
 //Since cypress cannot manipulate canvas, we notified it with console logs
 class CypressAsserter {
-    
+
     constructor() {
         window.cypressAsserter = this
     }
-    
+
     gameStarted() {
         console.log('Started the game')
     }
@@ -29,4 +33,4 @@ class CypressAsserter {
     }
 }
 
-export const cypressAsserter = new CypressAsserter()
+export const cypressAsserter = new CypressAsserter()

front/src/Enum/EnvironmentVariable.ts

@@ -1,4 +1,4 @@
-const DEBUG_MODE: boolean = process.env.DEBUG_MODE as any === true;
+const DEBUG_MODE: boolean = process.env.DEBUG_MODE == "true";
 const API_URL = process.env.API_URL || "http://api.workadventure.localhost";
 const RESOLUTION = 3;
 const ZOOM_LEVEL = 1/*3/4*/;

front/src/Logger/MessageUI.ts

@@ -2,7 +2,7 @@ export class MessageUI {
 
     static warningMessage(text: string){
         this.removeMessage();
-        let body = document.getElementById("body");
+        const body = document.getElementById("body");
         body?.insertAdjacentHTML('afterbegin', `
                 <div id="message-reconnect" class="message-info warning">
                     ${text}
@@ -12,13 +12,13 @@ export class MessageUI {
 
     static removeMessage(id : string|null = null) {
         if(!id){
-            let messages = document.getElementsByClassName("message-info");
+            const messages = document.getElementsByClassName("message-info");
             for (let i = 0; i < messages.length; i++){
                 messages.item(i)?.remove();
             }
             return;
         }
-        let previousElement = document.getElementById(id);
+        const previousElement = document.getElementById(id);
         if (!previousElement) {
             return;
         }

front/src/Phaser/Components/TextInput.ts

@@ -10,9 +10,9 @@ export class TextInput extends Phaser.GameObjects.BitmapText {
         this.underLine = this.scene.add.text(x, y+1, '_______', { fontFamily: 'Arial', fontSize: "32px", color: '#ffffff'})
 
 
-        let keySpace = this.scene.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.SPACE);
+        const keySpace = this.scene.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.SPACE);
-        let keyBackspace = this.scene.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.BACKSPACE);
+        const keyBackspace = this.scene.input.keyboard.addKey(Phaser.Input.Keyboard.KeyCodes.BACKSPACE);
-        this.scene.input.keyboard.on('keydown', (event: any) => {
+        this.scene.input.keyboard.on('keydown', (event: KeyboardEvent) => {
             if (event.keyCode === 8 && this.text.length > 0) {
                 this.deleteLetter();
             } else if ((event.keyCode === 32 || (event.keyCode >= 48 && event.keyCode <= 90)) && this.text.length < maxLength) {

front/src/Phaser/Entity/Character.ts

@@ -2,7 +2,12 @@ import {PlayerAnimationNames} from "../Player/Animation";
 import {SpeechBubble} from "./SpeechBubble";
 import BitmapText = Phaser.GameObjects.BitmapText;
 
-export const PLAYER_RESOURCES: Array<any> = [
+export interface PlayerResourceDescriptionInterface {
+    name: string,
+    img: string
+}
+
+export const PLAYER_RESOURCES: Array<PlayerResourceDescriptionInterface> = [
     {name: "male1", img: "resources/characters/pipoya/Male 01-1.png" /*, x: 32, y: 32*/},
     {name: "male2", img: "resources/characters/pipoya/Male 02-2.png"/*, x: 64, y: 32*/},
     {name: "male3", img: "resources/characters/pipoya/Male 03-4.png"/*, x: 96, y: 32*/},

front/src/Phaser/Entity/SpeechBubble.ts

@@ -13,10 +13,10 @@ export class SpeechBubble {
      */
     constructor(scene: Scene, player: Character, text: string = "") {
 
-        let bubbleHeight = 50;
+        const bubbleHeight = 50;
-        let bubblePadding = 10;
+        const bubblePadding = 10;
-        let bubbleWidth = bubblePadding * 2 + text.length * 10;
+        const bubbleWidth = bubblePadding * 2 + text.length * 10;
-        let arrowHeight = bubbleHeight / 4;
+        const arrowHeight = bubbleHeight / 4;
 
         this.bubble = scene.add.graphics({ x: player.x + 16, y: player.y - 80 });
 
@@ -35,12 +35,12 @@ export class SpeechBubble {
         this.bubble.fillRoundedRect(0, 0, bubbleWidth, bubbleHeight, 16);
 
         //  Calculate arrow coordinates
-        let point1X = Math.floor(bubbleWidth / 7);
+        const point1X = Math.floor(bubbleWidth / 7);
-        let point1Y = bubbleHeight;
+        const point1Y = bubbleHeight;
-        let point2X = Math.floor((bubbleWidth / 7) * 2);
+        const point2X = Math.floor((bubbleWidth / 7) * 2);
-        let point2Y = bubbleHeight;
+        const point2Y = bubbleHeight;
-        let point3X = Math.floor(bubbleWidth / 7);
+        const point3X = Math.floor(bubbleWidth / 7);
-        let point3Y = Math.floor(bubbleHeight + arrowHeight);
+        const point3Y = Math.floor(bubbleHeight + arrowHeight);
 
         //  bubble arrow shadow
         this.bubble.lineStyle(4, 0x222222, 0.5);
@@ -54,7 +54,7 @@ export class SpeechBubble {
 
         this.content = scene.add.text(0, 0, text, { fontFamily: 'Arial', fontSize: 20, color: '#000000', align: 'center', wordWrap: { width: bubbleWidth - (bubblePadding * 2) } });
 
-        let bounds = this.content.getBounds();
+        const bounds = this.content.getBounds();
         this.content.setPosition(this.bubble.x + (bubbleWidth / 2) - (bounds.width / 2), this.bubble.y + (bubbleHeight / 2) - (bounds.height / 2));
     }
 
@@ -68,10 +68,10 @@ export class SpeechBubble {
             this.bubble.setPosition((x + 16), (y - 80));
         }
         if (this.content) {
-            let bubbleHeight = 50;
+            const bubbleHeight = 50;
-            let bubblePadding = 10;
+            const bubblePadding = 10;
-            let bubbleWidth = bubblePadding * 2 + this.content.text.length * 10;
+            const bubbleWidth = bubblePadding * 2 + this.content.text.length * 10;
-            let bounds = this.content.getBounds();
+            const bounds = this.content.getBounds();
             //this.content.setPosition(x, y);
             this.content.setPosition(this.bubble.x + (bubbleWidth / 2) - (bounds.width / 2), this.bubble.y + (bubbleHeight / 2) - (bounds.height / 2));
         }

front/src/Phaser/Game/GameManager.ts

@@ -1,6 +1,6 @@
 import {GameScene} from "./GameScene";
 import {
-    Connection,
+    Connection, ConnectionInterface,
     GroupCreatedUpdatedMessageInterface,
     ListMessageUserPositionInterface,
     MessageUserJoined,
@@ -44,11 +44,11 @@ export class GameManager {
         //this.status = StatusGameManagerEnum.IN_PROGRESS;
     }
 
-    connect(name: string, characterUserSelected : string) {
+    public connect(name: string, characterUserSelected : string): Promise<ConnectionInterface> {
         this.playerName = name;
         this.characterUserSelected = characterUserSelected;
         this.ConnectionInstance = new Connection(this);
-        return this.ConnectionInstance.createConnection(name, characterUserSelected).then((data : any) => {
+        return this.ConnectionInstance.createConnection(name, characterUserSelected).then((data : ConnectionInterface) => {
             this.SimplePeer = new SimplePeer(this.ConnectionInstance);
             return data;
         }).catch((err) => {
@@ -83,7 +83,7 @@ export class GameManager {
     }
 
     onUserJoins(message: MessageUserJoined): void {
-        let userMessage: AddPlayerInterface = {
+        const userMessage: AddPlayerInterface = {
             userId: message.userId,
             character: message.character,
             name: message.name,
@@ -154,11 +154,11 @@ export class GameManager {
     }
 
     loadMap(mapUrl: string, scene: Phaser.Scenes.ScenePlugin, instance: string): string {
-        let sceneKey = GameScene.getMapKeyByUrl(mapUrl);
+        const sceneKey = GameScene.getMapKeyByUrl(mapUrl);
 
-        let gameIndex = scene.getIndex(sceneKey);
+        const gameIndex = scene.getIndex(sceneKey);
         if(gameIndex === -1){
-            let game : Phaser.Scene = GameScene.createFromUrl(mapUrl, instance);
+            const game : Phaser.Scene = GameScene.createFromUrl(mapUrl, instance);
             scene.add(sceneKey, game, false);
         }
         return sceneKey;

front/src/Phaser/Game/GameScene.ts

@@ -6,8 +6,13 @@ import {
 } from "../../Connection";
 import {CurrentGamerInterface, hasMovedEventName, Player} from "../Player/Player";
 import { DEBUG_MODE, ZOOM_LEVEL, POSITION_DELAY } from "../../Enum/EnvironmentVariable";
-import {ITiledMap, ITiledMapLayer, ITiledTileSet} from "../Map/ITiledMap";
+import {
-import {PLAYER_RESOURCES} from "../Entity/Character";
+    ITiledMap,
+    ITiledMapLayer,
+    ITiledMapLayerProperty,
+    ITiledTileSet
+} from "../Map/ITiledMap";
+import {PLAYER_RESOURCES, PlayerResourceDescriptionInterface} from "../Entity/Character";
 import Texture = Phaser.Textures.Texture;
 import Sprite = Phaser.GameObjects.Sprite;
 import CanvasTexture = Phaser.Textures.CanvasTexture;
@@ -16,6 +21,7 @@ import {PlayerAnimationNames} from "../Player/Animation";
 import {PlayerMovement} from "./PlayerMovement";
 import {PlayersPositionInterpolator} from "./PlayersPositionInterpolator";
 import {RemotePlayer} from "../Entity/RemotePlayer";
+import GameObject = Phaser.GameObjects.GameObject;
 
 export enum Textures {
     Player = "male1"
@@ -57,11 +63,11 @@ export class GameScene extends Phaser.Scene {
         y: -1000
     }
 
-    PositionNextScene: Array<any> = new Array<any>();
+    private PositionNextScene: Array<Array<{ key: string, hash: string }>> = new Array<Array<{ key: string, hash: string }>>();
     private startLayerName: string|undefined;
 
     static createFromUrl(mapUrlFile: string, instance: string): GameScene {
-        let key = GameScene.getMapKeyByUrl(mapUrlFile);
+        const key = GameScene.getMapKeyByUrl(mapUrlFile);
         return new GameScene(key, mapUrlFile, instance);
     }
 
@@ -83,7 +89,7 @@ export class GameScene extends Phaser.Scene {
     //hook preload scene
     preload(): void {
         this.GameManager.setCurrentGameScene(this);
-        this.load.on('filecomplete-tilemapJSON-'+this.MapKey, (key: string, type: string, data: any) => {
+        this.load.on('filecomplete-tilemapJSON-'+this.MapKey, (key: string, type: string, data: unknown) => {
             this.onMapLoad(data);
         });
         //TODO strategy to add access token
@@ -91,12 +97,12 @@ export class GameScene extends Phaser.Scene {
         // If the map has already been loaded as part of another GameScene, the "on load" event will not be triggered.
         // In this case, we check in the cache to see if the map is here and trigger the event manually.
         if (this.cache.tilemap.exists(this.MapKey)) {
-            let data = this.cache.tilemap.get(this.MapKey);
+            const data = this.cache.tilemap.get(this.MapKey);
             this.onMapLoad(data);
         }
 
         //add player png
-        PLAYER_RESOURCES.forEach((playerResource: any) => {
+        PLAYER_RESOURCES.forEach((playerResource: PlayerResourceDescriptionInterface) => {
             this.load.spritesheet(
                 playerResource.name,
                 playerResource.img,
@@ -107,11 +113,13 @@ export class GameScene extends Phaser.Scene {
         this.load.bitmapFont('main_font', 'resources/fonts/arcade.png', 'resources/fonts/arcade.xml');
     }
 
+    // FIXME: we need to put a "unknown" instead of a "any" and validate the structure of the JSON we are receiving.
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
     private onMapLoad(data: any): void {
         // Triggered when the map is loaded
         // Load tiles attached to the map recursively
         this.mapFile = data.data;
-        let url = this.MapUrlFile.substr(0, this.MapUrlFile.lastIndexOf('/'));
+        const url = this.MapUrlFile.substr(0, this.MapUrlFile.lastIndexOf('/'));
         this.mapFile.tilesets.forEach((tileset) => {
             if (typeof tileset.name === 'undefined' || typeof tileset.image === 'undefined') {
                 console.warn("Don't know how to handle tileset ", tileset)
@@ -145,7 +153,7 @@ export class GameScene extends Phaser.Scene {
         //add layer on map
         this.Layers = new Array<Phaser.Tilemaps.StaticTilemapLayer>();
         let depth = -2;
-        for (let layer of this.mapFile.layers) {
+        for (const layer of this.mapFile.layers) {
             if (layer.type === 'tilelayer') {
                 this.addLayer(this.Map.createStaticLayer(layer.name, this.Terrains, 0, 0).setDepth(depth));
             }
@@ -167,9 +175,9 @@ export class GameScene extends Phaser.Scene {
         } else {
             // Now, let's find the start layer
             if (this.startLayerName) {
-                for (let layer of this.mapFile.layers) {
+                for (const layer of this.mapFile.layers) {
                     if (this.startLayerName === layer.name && layer.type === 'tilelayer' && this.isStartLayer(layer)) {
-                        let startPosition = this.startUser(layer);
+                        const startPosition = this.startUser(layer);
                         this.startX = startPosition.x;
                         this.startY = startPosition.y;
                     }
@@ -177,9 +185,9 @@ export class GameScene extends Phaser.Scene {
             }
             if (this.startX === undefined) {
                 // If we have no start layer specified or if the hash passed does not exist, let's go with the default start position.
-                for (let layer of this.mapFile.layers) {
+                for (const layer of this.mapFile.layers) {
                     if (layer.type === 'tilelayer' && layer.name === "start") {
-                        let startPosition = this.startUser(layer);
+                        const startPosition = this.startUser(layer);
                         this.startX = startPosition.x;
                         this.startY = startPosition.y;
                     }
@@ -211,12 +219,12 @@ export class GameScene extends Phaser.Scene {
 
 
         // Let's generate the circle for the group delimiter
-        let circleElement = Object.values(this.textures.list).find((object: Texture) => object.key === 'circleSprite');
+        const circleElement = Object.values(this.textures.list).find((object: Texture) => object.key === 'circleSprite');
         if(circleElement) {
             this.textures.remove('circleSprite');
         }
         this.circleTexture = this.textures.createCanvas('circleSprite', 96, 96);
-        let context = this.circleTexture.context;
+        const context = this.circleTexture.context;
         context.beginPath();
         context.arc(48, 48, 48, 0, 2 * Math.PI, false);
         // context.lineWidth = 5;
@@ -225,7 +233,7 @@ export class GameScene extends Phaser.Scene {
         this.circleTexture.refresh();
 
         // Let's alter browser history
-        let url = new URL(this.MapUrlFile);
+        const url = new URL(this.MapUrlFile);
         let path = '/_/'+this.instance+'/'+url.host+url.pathname;
         if (this.startLayerName) {
             path += '#'+this.startLayerName;
@@ -246,11 +254,11 @@ export class GameScene extends Phaser.Scene {
     }
 
     private getProperty(layer: ITiledMapLayer, name: string): string|boolean|number|undefined {
-        let properties : any = layer.properties;
+        const properties = layer.properties;
         if (!properties) {
             return undefined;
         }
-        let obj = properties.find((property:any) => property.name === name);
+        const obj = properties.find((property: ITiledMapLayerProperty) => property.name === name);
         if (obj === undefined) {
             return undefined;
         }
@@ -265,7 +273,7 @@ export class GameScene extends Phaser.Scene {
      * @param tileHeight
      */
     private loadNextGame(layer: ITiledMapLayer, mapWidth: number, tileWidth: number, tileHeight: number){
-        let exitSceneUrl = this.getExitSceneUrl(layer);
+        const exitSceneUrl = this.getExitSceneUrl(layer);
         if (exitSceneUrl === undefined) {
             throw new Error('Layer is not an exit scene layer.');
         }
@@ -275,18 +283,18 @@ export class GameScene extends Phaser.Scene {
         }
 
         // TODO: eventually compute a relative URL
-        let absoluteExitSceneUrl = new URL(exitSceneUrl, this.MapUrlFile).href;
+        const absoluteExitSceneUrl = new URL(exitSceneUrl, this.MapUrlFile).href;
-        let exitSceneKey = gameManager.loadMap(absoluteExitSceneUrl, this.scene, instance);
+        const exitSceneKey = gameManager.loadMap(absoluteExitSceneUrl, this.scene, instance);
 
-        let tiles : number[] = layer.data as number[];
+        const tiles : number[] = layer.data as number[];
         for (let key=0; key < tiles.length; key++) {
-            let objectKey = tiles[key];
+            const objectKey = tiles[key];
             if(objectKey === 0){
                 continue;
             }
             //key + 1 because the start x = 0;
-            let y : number = parseInt(((key + 1) / mapWidth).toString());
+            const y : number = parseInt(((key + 1) / mapWidth).toString());
-            let x : number = key - (y * mapWidth);
+            const x : number = key - (y * mapWidth);
 
             let hash = new URL(exitSceneUrl, this.MapUrlFile).hash;
             if (hash) {
@@ -294,15 +302,13 @@ export class GameScene extends Phaser.Scene {
             }
 
             //push and save switching case
-            // TODO: this is not efficient. We should refactor that to enable a search by key. For instance: this.PositionNextScene[y][x] = exitSceneKey
+            if (this.PositionNextScene[y] === undefined) {
-            this.PositionNextScene.push({
+                this.PositionNextScene[y] = new Array<{key: string, hash: string}>();
-                xStart: (x * tileWidth),
+            }
-                yStart: (y * tileWidth),
+            this.PositionNextScene[y][x] = {
-                xEnd: ((x +1) * tileHeight),
-                yEnd: ((y + 1) * tileHeight),
                 key: exitSceneKey,
                 hash
-            })
+            }
         }
     }
 
@@ -310,14 +316,17 @@ export class GameScene extends Phaser.Scene {
      * @param layer
      */
     private startUser(layer: ITiledMapLayer): PositionInterface {
-        let tiles : any = layer.data;
+        const tiles = layer.data;
-        let possibleStartPositions : PositionInterface[]  = [];
+        if (typeof(tiles) === 'string') {
+            throw new Error('The content of a JSON map must be filled as a JSON array, not as a string');
+        }
+        const possibleStartPositions : PositionInterface[]  = [];
         tiles.forEach((objectKey : number, key: number) => {
             if(objectKey === 0){
                 return;
             }
-            let y = Math.floor(key / layer.width);
+            const y = Math.floor(key / layer.width);
-            let x = key % layer.width;
+            const x = key % layer.width;
 
             possibleStartPositions.push({x: x*32, y: y*32});
         });
@@ -347,7 +356,7 @@ export class GameScene extends Phaser.Scene {
     createCollisionWithPlayer() {
         //add collision layer
         this.Layers.forEach((Layer: Phaser.Tilemaps.StaticTilemapLayer) => {
-            this.physics.add.collider(this.CurrentPlayer, Layer, (object1: any, object2: any) => {
+            this.physics.add.collider(this.CurrentPlayer, Layer, (object1: GameObject, object2: GameObject) => {
                 //this.CurrentPlayer.say("Collision with layer : "+ (object2 as Tile).layer.name)
             });
             Layer.setCollisionByProperty({collides: true});
@@ -363,11 +372,11 @@ export class GameScene extends Phaser.Scene {
     }
 
     createCollisionObject(){
-        this.Objects.forEach((Object : Phaser.Physics.Arcade.Sprite) => {
+        /*this.Objects.forEach((Object : Phaser.Physics.Arcade.Sprite) => {
-            this.physics.add.collider(this.CurrentPlayer, Object, (object1: any, object2: any) => {
+            this.physics.add.collider(this.CurrentPlayer, Object, (object1, object2) => {
-                //this.CurrentPlayer.say("Collision with object : " + (object2 as Phaser.Physics.Arcade.Sprite).texture.key)
+                this.CurrentPlayer.say("Collision with object : " + (object2 as Phaser.Physics.Arcade.Sprite).texture.key)
             });
-        })
+        })*/
     }
 
     createCurrentPlayer(){
@@ -430,7 +439,7 @@ export class GameScene extends Phaser.Scene {
         // debug code to get a tile properties by clicking on it
         this.input.on("pointerdown", (pointer: Phaser.Input.Pointer)=>{
             //pixel position toz tile position
-            let tile = this.Map.getTileAt(this.Map.worldToTileX(pointer.worldX), this.Map.worldToTileY(pointer.worldY));
+            const tile = this.Map.getTileAt(this.Map.worldToTileX(pointer.worldX), this.Map.worldToTileY(pointer.worldY));
             if(tile){
                 this.CurrentPlayer.say("Your touch " + tile.layer.name);
             }
@@ -446,16 +455,16 @@ export class GameScene extends Phaser.Scene {
         this.CurrentPlayer.moveUser(delta);
 
         // Let's move all users
-        let updatedPlayersPositions = this.playersPositionInterpolator.getUpdatedPositions(time);
+        const updatedPlayersPositions = this.playersPositionInterpolator.getUpdatedPositions(time);
         updatedPlayersPositions.forEach((moveEvent: HasMovedEvent, userId: string) => {
-            let player : RemotePlayer | undefined = this.MapPlayersByKey.get(userId);
+            const player : RemotePlayer | undefined = this.MapPlayersByKey.get(userId);
             if (player === undefined) {
                 throw new Error('Cannot find player with ID "' + userId +'"');
             }
             player.updatePosition(moveEvent);
         });
 
-        let nextSceneKey = this.checkToExit();
+        const nextSceneKey = this.checkToExit();
         if(nextSceneKey){
             // We are completely destroying the current scene to avoid using a half-backed instance when coming back to the same map.
             this.scene.remove(this.scene.key);
@@ -468,14 +477,15 @@ export class GameScene extends Phaser.Scene {
     /**
      *
      */
-    checkToExit(){
+    checkToExit(): {key: string, hash: string} | null  {
-        if(this.PositionNextScene.length === 0){
+        const x = Math.floor(this.CurrentPlayer.x / 32);
+        const y = Math.floor(this.CurrentPlayer.y / 32);
+
+        if (this.PositionNextScene[y] !== undefined && this.PositionNextScene[y][x] !== undefined) {
+            return this.PositionNextScene[y][x];
+        } else {
             return null;
         }
-        return this.PositionNextScene.find((position : any) => {
-            return position.xStart <= this.CurrentPlayer.x && this.CurrentPlayer.x <= position.xEnd
-            && position.yStart <= this.CurrentPlayer.y && this.CurrentPlayer.y <= position.yEnd
-        })
     }
 
     public initUsersPosition(usersPosition: MessageUserPositionInterface[]): void {
@@ -484,7 +494,7 @@ export class GameScene extends Phaser.Scene {
             return;
         }
 
-        let currentPlayerId = this.GameManager.getPlayerId();
+        const currentPlayerId = this.GameManager.getPlayerId();
 
         // clean map
         this.MapPlayersByKey.forEach((player: RemotePlayer) => {
@@ -515,7 +525,7 @@ export class GameScene extends Phaser.Scene {
             return;
         }
         //initialise player
-        let player = new RemotePlayer(
+        const player = new RemotePlayer(
             addPlayerData.userId,
             this,
             addPlayerData.position.x,
@@ -537,7 +547,7 @@ export class GameScene extends Phaser.Scene {
 
     public removePlayer(userId: string) {
         console.log('Removing player ', userId)
-        let player = this.MapPlayersByKey.get(userId);
+        const player = this.MapPlayersByKey.get(userId);
         if (player === undefined) {
             console.error('Cannot find user with id ', userId);
         } else {
@@ -549,26 +559,26 @@ export class GameScene extends Phaser.Scene {
     }
 
     updatePlayerPosition(message: MessageUserMovedInterface): void {
-        let player : RemotePlayer | undefined = this.MapPlayersByKey.get(message.userId);
+        const player : RemotePlayer | undefined = this.MapPlayersByKey.get(message.userId);
         if (player === undefined) {
             throw new Error('Cannot find player with ID "' + message.userId +'"');
         }
 
         // We do not update the player position directly (because it is sent only every 200ms).
         // Instead we use the PlayersPositionInterpolator that will do a smooth animation over the next 200ms.
-        let playerMovement = new PlayerMovement({ x: player.x, y: player.y }, this.currentTick, message.position, this.currentTick + POSITION_DELAY);
+        const playerMovement = new PlayerMovement({ x: player.x, y: player.y }, this.currentTick, message.position, this.currentTick + POSITION_DELAY);
         this.playersPositionInterpolator.updatePlayerPosition(player.userId, playerMovement);
     }
 
     shareGroupPosition(groupPositionMessage: GroupCreatedUpdatedMessageInterface) {
-        let groupId = groupPositionMessage.groupId;
+        const groupId = groupPositionMessage.groupId;
 
-        let group = this.groups.get(groupId);
+        const group = this.groups.get(groupId);
         if (group !== undefined) {
             group.setPosition(Math.round(groupPositionMessage.position.x), Math.round(groupPositionMessage.position.y));
         } else {
             // TODO: circle radius should not be hard stored
-            let sprite = new Sprite(
+            const sprite = new Sprite(
                 this,
                 Math.round(groupPositionMessage.position.x),
                 Math.round(groupPositionMessage.position.y),
@@ -580,7 +590,7 @@ export class GameScene extends Phaser.Scene {
     }
 
     deleteGroup(groupId: string): void {
-        let group = this.groups.get(groupId);
+        const group = this.groups.get(groupId);
         if(!group){
             return;
         }
@@ -590,8 +600,8 @@ export class GameScene extends Phaser.Scene {
 
     public static getMapKeyByUrl(mapUrlStart: string) : string {
         // FIXME: the key should be computed from the full URL of the map.
-        let startPos = mapUrlStart.indexOf('://')+3;
+        const startPos = mapUrlStart.indexOf('://')+3;
-        let endPos = mapUrlStart.indexOf(".json");
+        const endPos = mapUrlStart.indexOf(".json");
         return mapUrlStart.substring(startPos, endPos);
     }
 }

front/src/Phaser/Game/PlayerMovement.ts

@@ -23,8 +23,8 @@ export class PlayerMovement {
             return this.endPosition;
         }
 
-        let x = (this.endPosition.x - this.startPosition.x) * ((tick - this.startTick) / (this.endTick - this.startTick)) + this.startPosition.x;
+        const x = (this.endPosition.x - this.startPosition.x) * ((tick - this.startTick) / (this.endTick - this.startTick)) + this.startPosition.x;
-        let y = (this.endPosition.y - this.startPosition.y) * ((tick - this.startTick) / (this.endTick - this.startTick)) + this.startPosition.y;
+        const y = (this.endPosition.y - this.startPosition.y) * ((tick - this.startTick) / (this.endTick - this.startTick)) + this.startPosition.y;
 
         return {
             x,

front/src/Phaser/Game/PlayersPositionInterpolator.ts

@@ -17,7 +17,7 @@ export class PlayersPositionInterpolator {
     }
 
     getUpdatedPositions(tick: number) : Map<string, HasMovedEvent> {
-        let positions = new Map<string, HasMovedEvent>();
+        const positions = new Map<string, HasMovedEvent>();
         this.playerMovements.forEach((playerMovement: PlayerMovement, userId: string) => {
             if (playerMovement.isOutdated(tick)) {
                 //console.log("outdated")

front/src/Phaser/Login/LoginScene.ts

@@ -4,7 +4,7 @@ import {TextInput} from "../Components/TextInput";
 import {ClickButton} from "../Components/ClickButton";
 import Image = Phaser.GameObjects.Image;
 import Rectangle = Phaser.GameObjects.Rectangle;
-import {PLAYER_RESOURCES} from "../Entity/Character";
+import {PLAYER_RESOURCES, PlayerResourceDescriptionInterface} from "../Entity/Character";
 import {cypressAsserter} from "../../Cypress/CypressAsserter";
 import {SelectCharacterSceneInitDataInterface, SelectCharacterSceneName} from "./SelectCharacterScene";
 
@@ -40,7 +40,7 @@ export class LoginScene extends Phaser.Scene {
         this.load.bitmapFont(LoginTextures.mainFont, 'resources/fonts/arcade.png', 'resources/fonts/arcade.xml');
         cypressAsserter.preloadFinished();
         //add player png
-        PLAYER_RESOURCES.forEach((playerResource: any) => {
+        PLAYER_RESOURCES.forEach((playerResource: PlayerResourceDescriptionInterface) => {
             this.load.spritesheet(
                 playerResource.name,
                 playerResource.img,
@@ -67,7 +67,7 @@ export class LoginScene extends Phaser.Scene {
         this.logo = new Image(this, this.game.renderer.width - 30, this.game.renderer.height - 20, LoginTextures.icon);
         this.add.existing(this.logo);
 
-        let infoText = "Commands: \n - Arrows or Z,Q,S,D to move\n - SHIFT to run";
+        const infoText = "Commands: \n - Arrows or Z,Q,S,D to move\n - SHIFT to run";
         this.infoTextField = new TextField(this, 10, this.game.renderer.height - 35, infoText);
 
         this.input.keyboard.on('keyup-ENTER', () => {

front/src/Phaser/Login/SelectCharacterScene.ts

@@ -3,8 +3,9 @@ import {TextField} from "../Components/TextField";
 import {ClickButton} from "../Components/ClickButton";
 import Image = Phaser.GameObjects.Image;
 import Rectangle = Phaser.GameObjects.Rectangle;
-import {PLAYER_RESOURCES} from "../Entity/Character";
+import {PLAYER_RESOURCES, PlayerResourceDescriptionInterface} from "../Entity/Character";
 import {GameSceneInitInterface} from "../Game/GameScene";
+import {StartMapInterface} from "../../Connection";
 
 //todo: put this constants in a dedicated file
 export const SelectCharacterSceneName = "SelectCharacterScene";
@@ -47,7 +48,7 @@ export class SelectCharacterScene extends Phaser.Scene {
         // Note: arcade.png from the Phaser 3 examples at: https://github.com/photonstorm/phaser3-examples/tree/master/public/assets/fonts/bitmap
         this.load.bitmapFont(LoginTextures.mainFont, 'resources/fonts/arcade.png', 'resources/fonts/arcade.xml');
         //add player png
-        PLAYER_RESOURCES.forEach((playerResource: any) => {
+        PLAYER_RESOURCES.forEach((playerResource: PlayerResourceDescriptionInterface) => {
             this.load.spritesheet(
                 playerResource.name,
                 playerResource.img,
@@ -63,7 +64,7 @@ export class SelectCharacterScene extends Phaser.Scene {
         this.pressReturnField = new TextField(this, this.game.renderer.width / 2, 230, 'Press enter to start');
         this.pressReturnField.setOrigin(0.5).setCenterAlign()
 
-        let rectangleXStart = this.game.renderer.width / 2 - (this.nbCharactersPerRow / 2) * 32 + 16;
+        const rectangleXStart = this.game.renderer.width / 2 - (this.nbCharactersPerRow / 2) * 32 + 16;
 
         this.selectedRectangle = this.add.rectangle(rectangleXStart, 90, 32, 32).setStrokeStyle(2, 0xFFFFFF);
 
@@ -103,8 +104,8 @@ export class SelectCharacterScene extends Phaser.Scene {
         this.createCurrentPlayer();
 
         if (window.localStorage) {
-            let playerNumberStr: string = window.localStorage.getItem('selectedPlayer') ?? '0';
+            const playerNumberStr: string = window.localStorage.getItem('selectedPlayer') ?? '0';
-            let playerNumber: number = Number(playerNumberStr);
+            const playerNumber: number = Number(playerNumberStr);
             this.selectedRectangleXPos = playerNumber % this.nbCharactersPerRow;
             this.selectedRectangleYPos = Math.floor(playerNumber / this.nbCharactersPerRow);
             this.updateSelectedPlayer();
@@ -115,26 +116,26 @@ export class SelectCharacterScene extends Phaser.Scene {
         this.pressReturnField.setVisible(!!(Math.floor(time / 500) % 2));
     }
 
-    private async login(name: string) {
+    private async login(name: string): Promise<StartMapInterface> {
         return gameManager.connect(name, this.selectedPlayer.texture.key).then(() => {
             // Do we have a start URL in the address bar? If so, let's redirect to this address
-            let instanceAndMapUrl = this.findMapUrl();
+            const instanceAndMapUrl = this.findMapUrl();
             if (instanceAndMapUrl !== null) {
-                let [mapUrl, instance] = instanceAndMapUrl;
+                const [mapUrl, instance] = instanceAndMapUrl;
-                let key = gameManager.loadMap(mapUrl, this.scene, instance);
+                const key = gameManager.loadMap(mapUrl, this.scene, instance);
                 this.scene.start(key, {
                     startLayerName: window.location.hash ? window.location.hash.substr(1) : undefined
                 } as GameSceneInitInterface);
-                return mapUrl;
+                return {
+                    mapUrlStart: mapUrl,
+                    startInstance: instance
+                };
             } else {
                 // If we do not have a map address in the URL, let's ask the server for a start map.
-                return gameManager.loadStartMap().then((scene : any) => {
+                return gameManager.loadStartMap().then((startMap: StartMapInterface) => {
-                    if (!scene) {
+                    const key = gameManager.loadMap(window.location.protocol + "//" + startMap.mapUrlStart, this.scene, startMap.startInstance);
-                        return;
-                    }
-                    let key = gameManager.loadMap(window.location.protocol + "//" + scene.mapUrlStart, this.scene, scene.startInstance);
                     this.scene.start(key);
-                    return scene;
+                    return startMap;
                 }).catch((err) => {
                     console.error(err);
                     throw err;
@@ -150,28 +151,28 @@ export class SelectCharacterScene extends Phaser.Scene {
      * Returns the map URL and the instance from the current URL
      */
     private findMapUrl(): [string, string]|null {
-        let path = window.location.pathname;
+        const path = window.location.pathname;
         if (!path.startsWith('/_/')) {
             return null;
         }
-        let instanceAndMap = path.substr(3);
+        const instanceAndMap = path.substr(3);
-        let firstSlash = instanceAndMap.indexOf('/');
+        const firstSlash = instanceAndMap.indexOf('/');
         if (firstSlash === -1) {
             return null;
         }
-        let instance = instanceAndMap.substr(0, firstSlash);
+        const instance = instanceAndMap.substr(0, firstSlash);
         return [window.location.protocol+'//'+instanceAndMap.substr(firstSlash+1), instance];
     }
 
     createCurrentPlayer(): void {
         for (let i = 0; i <PLAYER_RESOURCES.length; i++) {
-            let playerResource = PLAYER_RESOURCES[i];
+            const playerResource = PLAYER_RESOURCES[i];
 
-            let col = i % this.nbCharactersPerRow;
+            const col = i % this.nbCharactersPerRow;
-            let row = Math.floor(i / this.nbCharactersPerRow);
+            const row = Math.floor(i / this.nbCharactersPerRow);
 
-            let [x, y] = this.getCharacterPosition(col, row);
+            const [x, y] = this.getCharacterPosition(col, row);
-            let player = this.physics.add.sprite(x, y, playerResource.name, 0);
+            const player = this.physics.add.sprite(x, y, playerResource.name, 0);
             player.setBounce(0.2);
             player.setCollideWorldBounds(true);
             this.anims.create({
@@ -203,11 +204,11 @@ export class SelectCharacterScene extends Phaser.Scene {
 
     private updateSelectedPlayer(): void {
         this.selectedPlayer.anims.pause();
-        let [x, y] = this.getCharacterPosition(this.selectedRectangleXPos, this.selectedRectangleYPos);
+        const [x, y] = this.getCharacterPosition(this.selectedRectangleXPos, this.selectedRectangleYPos);
         this.selectedRectangle.setX(x);
         this.selectedRectangle.setY(y);
-        let playerNumber = this.selectedRectangleXPos + this.selectedRectangleYPos * this.nbCharactersPerRow;
+        const playerNumber = this.selectedRectangleXPos + this.selectedRectangleYPos * this.nbCharactersPerRow;
-        let player = this.players[playerNumber];
+        const player = this.players[playerNumber];
         player.play(PLAYER_RESOURCES[playerNumber].name);
         this.selectedPlayer = player;
         if (window.localStorage) {

front/src/Phaser/Map/ITiledMap.ts

@@ -26,12 +26,24 @@ export interface ITiledMap {
     version: number;
 }
 
+export interface ITiledMapLayerProperty {
+    name: string;
+    type: string;
+    value: string|boolean|number|undefined;
+}
+
+/*export interface ITiledMapLayerBooleanProperty {
+    name: string,
+    type: 'bool',
+    value: boolean
+}*/
+
 export interface ITiledMapLayer {
     data: number[]|string;
     height: number;
     name: string;
     opacity: number;
-    properties: {[key: string]: string};
+    properties: ITiledMapLayerProperty[];
     encoding: string;
     compression?: string;
 

front/src/Phaser/Player/Player.ts

@@ -39,9 +39,9 @@ export class Player extends Character implements CurrentGamerInterface {
         let direction = null;
         let moving = false;
 
-        let activeEvents = this.userInputManager.getEventListForGameTick();
+        const activeEvents = this.userInputManager.getEventListForGameTick();
-        let speedMultiplier = activeEvents.get(UserInputEvent.SpeedUp) ? 25 : 9;
+        const speedMultiplier = activeEvents.get(UserInputEvent.SpeedUp) ? 25 : 9;
-        let moveAmount = speedMultiplier * 20;
+        const moveAmount = speedMultiplier * 20;
 
         let x = 0;
         let y = 0;

front/src/Phaser/Reconnecting/ReconnectingScene.ts

@@ -1,11 +1,5 @@
-import {gameManager} from "../Game/GameManager";
 import {TextField} from "../Components/TextField";
-import {TextInput} from "../Components/TextInput";
-import {ClickButton} from "../Components/ClickButton";
 import Image = Phaser.GameObjects.Image;
-import Rectangle = Phaser.GameObjects.Rectangle;
-import {PLAYER_RESOURCES} from "../Entity/Character";
-import {cypressAsserter} from "../../Cypress/CypressAsserter";
 import Sprite = Phaser.GameObjects.Sprite;
 
 export const ReconnectingSceneName = "ReconnectingScene";
@@ -43,7 +37,7 @@ export class ReconnectingScene extends Phaser.Scene {
         this.reconnectingField = new TextField(this, this.game.renderer.width / 2, this.game.renderer.height / 2, "Connection lost. Reconnecting...");
         this.reconnectingField.setOrigin(0.5, 0.5).setCenterAlign();
 
-        let cat = this.physics.add.sprite(this.game.renderer.width / 2, this.game.renderer.height / 2 - 32, 'cat');
+        const cat = this.physics.add.sprite(this.game.renderer.width / 2, this.game.renderer.height / 2 - 32, 'cat');
         this.anims.create({
             key: 'right',
             frames: this.anims.generateFrameNumbers('cat', { start: 6, end: 8 }),

front/src/Phaser/UserInput/UserInputManager.ts

@@ -1,4 +1,3 @@
-import Map = Phaser.Structs.Map;
 import {GameScene} from "../Game/GameScene";
 
 interface UserInputManagerDatum {
@@ -18,15 +17,13 @@ export enum UserInputEvent {
 
 //we cannot the map structure so we have to create a replacment
 export class ActiveEventList {
-    private KeysCode : any;
+    private KeysCode : Map<UserInputEvent, boolean> = new Map<UserInputEvent, boolean>();
-    constructor() {
+
-        this.KeysCode = {};
-    }
     get(event: UserInputEvent): boolean {
-        return this.KeysCode[event] || false;
+        return this.KeysCode.get(event) || false;
     }
-    set(event: UserInputEvent, value: boolean): boolean {
+    set(event: UserInputEvent, value: boolean): void {
-        return this.KeysCode[event] = true;
+        this.KeysCode.set(event, value);
     }
 }
 
@@ -55,7 +52,7 @@ export class UserInputManager {
     }
 
     getEventListForGameTick(): ActiveEventList {
-        let eventsMap = new ActiveEventList();
+        const eventsMap = new ActiveEventList();
         this.KeysCode.forEach(d => {
             if (d. keyInstance.isDown) {
                 eventsMap.set(d.event, true);

front/src/WebRtc/MediaManager.ts

@@ -1,18 +1,18 @@
-const videoConstraint: {width : any, height: any, facingMode : string} = {
+const videoConstraint: boolean|MediaTrackConstraints = {
     width: { ideal: 1280 },
     height: { ideal: 720 },
     facingMode: "user"
 };
 export class MediaManager {
     localStream: MediaStream|null = null;
-    remoteVideo: Array<any> = new Array<any>();
+    private remoteVideo: Map<string, HTMLVideoElement> = new Map<string, HTMLVideoElement>();
     myCamVideo: HTMLVideoElement;
-    cinemaClose: any = null;
+    cinemaClose: HTMLImageElement;
-    cinema: any = null;
+    cinema: HTMLImageElement;
-    microphoneClose: any = null;
+    microphoneClose: HTMLImageElement;
-    microphone: any = null;
+    microphone: HTMLImageElement;
     webrtcInAudio: HTMLAudioElement;
-    constraintsMedia : {audio : any, video : any} = {
+    constraintsMedia : MediaStreamConstraints = {
         audio: true,
         video: videoConstraint
     };
@@ -25,29 +25,29 @@ export class MediaManager {
         this.webrtcInAudio = this.getElementByIdOrFail<HTMLAudioElement>('audio-webrtc-in');
         this.webrtcInAudio.volume = 0.2;
 
-        this.microphoneClose = document.getElementById('microphone-close');
+        this.microphoneClose = this.getElementByIdOrFail<HTMLImageElement>('microphone-close');
         this.microphoneClose.style.display = "none";
-        this.microphoneClose.addEventListener('click', (e: any) => {
+        this.microphoneClose.addEventListener('click', (e: MouseEvent) => {
             e.preventDefault();
             this.enabledMicrophone();
             //update tracking
         });
-        this.microphone = document.getElementById('microphone');
+        this.microphone = this.getElementByIdOrFail<HTMLImageElement>('microphone');
-        this.microphone.addEventListener('click', (e: any) => {
+        this.microphone.addEventListener('click', (e: MouseEvent) => {
             e.preventDefault();
             this.disabledMicrophone();
             //update tracking
         });
 
-        this.cinemaClose = document.getElementById('cinema-close');
+        this.cinemaClose = this.getElementByIdOrFail<HTMLImageElement>('cinema-close');
         this.cinemaClose.style.display = "none";
-        this.cinemaClose.addEventListener('click', (e: any) => {
+        this.cinemaClose.addEventListener('click', (e: MouseEvent) => {
             e.preventDefault();
             this.enabledCamera();
             //update tracking
         });
-        this.cinema = document.getElementById('cinema');
+        this.cinema = this.getElementByIdOrFail<HTMLImageElement>('cinema');
-        this.cinema.addEventListener('click', (e: any) => {
+        this.cinema.addEventListener('click', (e: MouseEvent) => {
             e.preventDefault();
             this.disabledCamera();
             //update tracking
@@ -55,7 +55,7 @@ export class MediaManager {
     }
 
     activeVisio(){
-        let webRtc = this.getElementByIdOrFail('webRtc');
+        const webRtc = this.getElementByIdOrFail('webRtc');
         webRtc.classList.add('active');
     }
 
@@ -138,9 +138,9 @@ export class MediaManager {
      */
     addActiveVideo(userId : string, userName: string = ""){
         this.webrtcInAudio.play();
-        let elementRemoteVideo = this.getElementByIdOrFail("activeCam");
+        const elementRemoteVideo = this.getElementByIdOrFail("activeCam");
         userName = userName.toUpperCase();
-        let color = this.getColorByString(userName);
+        const color = this.getColorByString(userName);
         elementRemoteVideo.insertAdjacentHTML('beforeend', `
             <div id="div-${userId}" class="video-container" style="border-color: ${color};">
                 <div class="connecting-spinner"></div>
@@ -150,7 +150,7 @@ export class MediaManager {
                 <video id="${userId}" autoplay></video>
             </div>
         `);
-        this.remoteVideo[(userId as any)] = document.getElementById(userId);
+        this.remoteVideo.set(userId, this.getElementByIdOrFail<HTMLVideoElement>(userId));
     }
 
     /**
@@ -158,7 +158,7 @@ export class MediaManager {
      * @param userId
      */
     disabledMicrophoneByUserId(userId: string){
-        let element = document.getElementById(`microphone-${userId}`);
+        const element = document.getElementById(`microphone-${userId}`);
         if(!element){
             return;
         }
@@ -170,7 +170,7 @@ export class MediaManager {
      * @param userId
      */
     enabledMicrophoneByUserId(userId: string){
-        let element = document.getElementById(`microphone-${userId}`);
+        const element = document.getElementById(`microphone-${userId}`);
         if(!element){
             return;
         }
@@ -215,7 +215,12 @@ export class MediaManager {
      * @param stream
      */
     addStreamRemoteVideo(userId : string, stream : MediaStream){
-        this.remoteVideo[(userId as any)].srcObject = stream;
+        const remoteVideo = this.remoteVideo.get(userId);
+        if (remoteVideo === undefined) {
+            console.error('Unable to find video for ', userId);
+            return;
+        }
+        remoteVideo.srcObject = stream;
     }
 
     /**
@@ -223,15 +228,16 @@ export class MediaManager {
      * @param userId
      */
     removeActiveVideo(userId : string){
-        let element = document.getElementById(`div-${userId}`);
+        const element = document.getElementById(`div-${userId}`);
         if(!element){
             return;
         }
         element.remove();
+        this.remoteVideo.delete(userId);
     }
 
     isConnecting(userId : string): void {
-        let connectingSpinnerDiv = this.getSpinner(userId);
+        const connectingSpinnerDiv = this.getSpinner(userId);
         if (connectingSpinnerDiv === null) {
             return;
         }
@@ -239,7 +245,7 @@ export class MediaManager {
     }
 
     isConnected(userId : string): void {
-        let connectingSpinnerDiv = this.getSpinner(userId);
+        const connectingSpinnerDiv = this.getSpinner(userId);
         if (connectingSpinnerDiv === null) {
             return;
         }
@@ -247,11 +253,11 @@ export class MediaManager {
     }
 
     isError(userId : string): void {
-        let element = document.getElementById(`div-${userId}`);
+        const element = document.getElementById(`div-${userId}`);
         if(!element){
             return;
         }
-        let errorDiv = element.getElementsByClassName('rtc-error').item(0) as HTMLDivElement|null;
+        const errorDiv = element.getElementsByClassName('rtc-error').item(0) as HTMLDivElement|null;
         if (errorDiv === null) {
             return;
         }
@@ -259,11 +265,11 @@ export class MediaManager {
     }
 
     private getSpinner(userId : string): HTMLDivElement|null {
-        let element = document.getElementById(`div-${userId}`);
+        const element = document.getElementById(`div-${userId}`);
         if(!element){
             return null;
         }
-        let connnectingSpinnerDiv = element.getElementsByClassName('connecting-spinner').item(0) as HTMLDivElement|null;
+        const connnectingSpinnerDiv = element.getElementsByClassName('connecting-spinner').item(0) as HTMLDivElement|null;
         return connnectingSpinnerDiv;
     }
 
@@ -280,14 +286,14 @@ export class MediaManager {
         }
         let color = '#';
         for (let i = 0; i < 3; i++) {
-            let value = (hash >> (i * 8)) & 255;
+            const value = (hash >> (i * 8)) & 255;
             color += ('00' + value.toString(16)).substr(-2);
         }
         return color;
     }
 
     private getElementByIdOrFail<T extends HTMLElement>(id: string): T {
-        let elem = document.getElementById(id);
+        const elem = document.getElementById(id);
         if (elem === null) {
             throw new Error("Cannot find HTML element with id '"+id+"'");
         }

front/src/WebRtc/SimplePeer.ts

@@ -1,7 +1,12 @@
-import {ConnectionInterface, WebRtcDisconnectMessageInterface, WebRtcStartMessageInterface} from "../Connection";
+import {
+    ConnectionInterface,
+    WebRtcDisconnectMessageInterface,
+    WebRtcSignalMessageInterface,
+    WebRtcStartMessageInterface
+} from "../Connection";
 import {MediaManager} from "./MediaManager";
 import * as SimplePeerNamespace from "simple-peer";
-let Peer: SimplePeerNamespace.SimplePeer = require('simple-peer');
+const Peer: SimplePeerNamespace.SimplePeer = require('simple-peer');
 
 export interface UserSimplePeer{
     userId: string;
@@ -36,7 +41,7 @@ export class SimplePeer {
     private initialise() {
 
         //receive signal by gemer
-        this.Connection.receiveWebrtcSignal((message: any) => {
+        this.Connection.receiveWebrtcSignal((message: WebRtcSignalMessageInterface) => {
             this.receiveWebrtcSignal(message);
         });
 
@@ -95,7 +100,7 @@ export class SimplePeer {
 
         let name = user.name;
         if(!name){
-            let userSearch = this.Users.find((userSearch: UserSimplePeer) => userSearch.userId === user.userId);
+            const userSearch = this.Users.find((userSearch: UserSimplePeer) => userSearch.userId === user.userId);
             if(userSearch) {
                 name = userSearch.name;
             }
@@ -103,7 +108,7 @@ export class SimplePeer {
         this.MediaManager.removeActiveVideo(user.userId);
         this.MediaManager.addActiveVideo(user.userId, name);
 
-        let peer : SimplePeerNamespace.Instance = new Peer({
+        const peer : SimplePeerNamespace.Instance = new Peer({
             initiator: user.initiator ? user.initiator : false,
             reconnectTimer: 10000,
             config: {
@@ -122,7 +127,7 @@ export class SimplePeer {
         this.PeerConnectionArray.set(user.userId, peer);
 
         //start listen signal for the peer connection
-        peer.on('signal', (data: any) => {
+        peer.on('signal', (data: unknown) => {
             this.sendWebrtcSignal(data, user.userId);
         });
 
@@ -159,6 +164,7 @@ export class SimplePeer {
             this.closeConnection(user.userId);
         });
 
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
         peer.on('error', (err: any) => {
             console.error(`error => ${user.userId} => ${err.code}`, err);
             this.MediaManager.isError(user.userId);
@@ -170,7 +176,7 @@ export class SimplePeer {
         });
 
         peer.on('data',  (chunk: Buffer) => {
-            let data = JSON.parse(chunk.toString('utf8'));
+            const data = JSON.parse(chunk.toString('utf8'));
             if(data.type === "stream"){
                 this.stream(user.userId, data.stream);
             }
@@ -187,7 +193,7 @@ export class SimplePeer {
     private closeConnection(userId : string) {
         try {
             this.MediaManager.removeActiveVideo(userId);
-            let peer = this.PeerConnectionArray.get(userId);
+            const peer = this.PeerConnectionArray.get(userId);
             if (peer === undefined) {
                 console.warn("Tried to close connection for user "+userId+" but could not find user")
                 return;
@@ -208,7 +214,7 @@ export class SimplePeer {
      * @param userId
      * @param data
      */
-    private sendWebrtcSignal(data: any, userId : string) {
+    private sendWebrtcSignal(data: unknown, userId : string) {
         try {
             this.Connection.sendWebrtcSignal(data, this.WebRtcRoomId, null, userId);
         }catch (e) {
@@ -216,13 +222,14 @@ export class SimplePeer {
         }
     }
 
-    private receiveWebrtcSignal(data: any) {
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    private receiveWebrtcSignal(data: WebRtcSignalMessageInterface) {
         try {
             //if offer type, create peer connection
             if(data.signal.type === "offer"){
                 this.createPeerConnection(data);
             }
-            let peer = this.PeerConnectionArray.get(data.userId);
+            const peer = this.PeerConnectionArray.get(data.userId);
             if (peer !== undefined) {
                 peer.signal(data.signal);
             } else {
@@ -251,10 +258,10 @@ export class SimplePeer {
      *
      * @param userId
      */
-    private addMedia (userId : any = null) {
+    private addMedia (userId : string) {
         try {
-            let localStream: MediaStream|null = this.MediaManager.localStream;
+            const localStream: MediaStream|null = this.MediaManager.localStream;
-            let peer = this.PeerConnectionArray.get(userId);
+            const peer = this.PeerConnectionArray.get(userId);
             if(localStream === null) {
                 //send fake signal
                 if(peer === undefined){

front/src/index.ts

@@ -24,7 +24,7 @@ const config: GameConfig = {
 
 cypressAsserter.gameStarted();
 
-let game = new Phaser.Game(config);
+const game = new Phaser.Game(config);
 
 window.addEventListener('resize', function (event) {
     game.scale.resize(window.innerWidth / RESOLUTION, window.innerHeight / RESOLUTION);

front/tests/Phaser/Game/PlayerMovementTest.ts

@@ -3,7 +3,7 @@ import {PlayerMovement} from "../../../src/Phaser/Game/PlayerMovement";
 
 describe("Interpolation / Extrapolation", () => {
     it("should interpolate", () => {
-        let playerMovement = new PlayerMovement({
+        const playerMovement = new PlayerMovement({
             x: 100, y: 200
         }, 42000,
             {
@@ -39,7 +39,7 @@ describe("Interpolation / Extrapolation", () => {
     });
 
     it("should not extrapolate if we stop", () => {
-        let playerMovement = new PlayerMovement({
+        const playerMovement = new PlayerMovement({
                 x: 100, y: 200
             }, 42000,
             {
@@ -57,7 +57,7 @@ describe("Interpolation / Extrapolation", () => {
     });
 
     it("should should keep moving until it stops", () => {
-        let playerMovement = new PlayerMovement({
+        const playerMovement = new PlayerMovement({
                 x: 100, y: 200
             }, 42000,
             {