diff --git a/front/src/Administration/ConsoleGlobalMessageManager.ts b/front/src/Administration/ConsoleGlobalMessageManager.ts
index c1d0fba9..0dbfe834 100644
--- a/front/src/Administration/ConsoleGlobalMessageManager.ts
+++ b/front/src/Administration/ConsoleGlobalMessageManager.ts
@@ -1,7 +1,7 @@
 import {HtmlUtils} from "../WebRtc/HtmlUtils";
-import {UserInputManager} from "../Phaser/UserInput/UserInputManager";
-import {RoomConnection} from "../Connexion/RoomConnection";
-import {PlayGlobalMessageInterface} from "../Connexion/ConnexionModels";
+import type {UserInputManager} from "../Phaser/UserInput/UserInputManager";
+import type {RoomConnection} from "../Connexion/RoomConnection";
+import type {PlayGlobalMessageInterface} from "../Connexion/ConnexionModels";
 import {AdminMessageEventTypes} from "../Connexion/AdminMessagesService";
 
 export const CLASS_CONSOLE_MESSAGE = 'main-console';
diff --git a/front/src/Administration/GlobalMessageManager.ts b/front/src/Administration/GlobalMessageManager.ts
index bc9f3cfe..95364e4c 100644
--- a/front/src/Administration/GlobalMessageManager.ts
+++ b/front/src/Administration/GlobalMessageManager.ts
@@ -1,8 +1,8 @@
 import {HtmlUtils} from "./../WebRtc/HtmlUtils";
 import {AUDIO_TYPE, MESSAGE_TYPE} from "./ConsoleGlobalMessageManager";
 import {PUSHER_URL, UPLOADER_URL} from "../Enum/EnvironmentVariable";
-import {RoomConnection} from "../Connexion/RoomConnection";
-import {PlayGlobalMessageInterface} from "../Connexion/ConnexionModels";
+import type {RoomConnection} from "../Connexion/RoomConnection";
+import type {PlayGlobalMessageInterface} from "../Connexion/ConnexionModels";
 
 export class GlobalMessageManager {
 
diff --git a/front/src/Administration/TypeMessage.ts b/front/src/Administration/TypeMessage.ts
index 182f7e01..07f330fd 100644
--- a/front/src/Administration/TypeMessage.ts
+++ b/front/src/Administration/TypeMessage.ts
@@ -1,4 +1,4 @@
-import {TypeMessageInterface} from "./UserMessageManager";
+import type {TypeMessageInterface} from "./UserMessageManager";
 import {HtmlUtils} from "../WebRtc/HtmlUtils";
 
 let modalTimeOut : NodeJS.Timeout;
@@ -86,4 +86,4 @@ export class Banned extends TypeMessageExt {
     showMessage(message: string){
         super.showMessage(message, false);
     }
-}
\ No newline at end of file
+}
diff --git a/front/src/Api/Events/IframeEvent.ts b/front/src/Api/Events/IframeEvent.ts
index 2f703222..598f4544 100644
--- a/front/src/Api/Events/IframeEvent.ts
+++ b/front/src/Api/Events/IframeEvent.ts
@@ -1,14 +1,14 @@
 
 
-import { ButtonClickedEvent } from './ButtonClickedEvent';
-import { ChatEvent } from './ChatEvent';
-import { ClosePopupEvent } from './ClosePopupEvent';
-import { EnterLeaveEvent } from './EnterLeaveEvent';
-import { GoToPageEvent } from './GoToPageEvent';
-import { OpenCoWebSiteEvent } from './OpenCoWebSiteEvent';
-import { OpenPopupEvent } from './OpenPopupEvent';
-import { OpenTabEvent } from './OpenTabEvent';
-import { UserInputChatEvent } from './UserInputChatEvent';
+import type { ButtonClickedEvent } from './ButtonClickedEvent';
+import type { ChatEvent } from './ChatEvent';
+import type { ClosePopupEvent } from './ClosePopupEvent';
+import type { EnterLeaveEvent } from './EnterLeaveEvent';
+import type { GoToPageEvent } from './GoToPageEvent';
+import type { OpenCoWebSiteEvent } from './OpenCoWebSiteEvent';
+import type { OpenPopupEvent } from './OpenPopupEvent';
+import type { OpenTabEvent } from './OpenTabEvent';
+import type { UserInputChatEvent } from './UserInputChatEvent';
 
 
 export interface TypedMessageEvent<T> extends MessageEvent {
diff --git a/front/src/Api/IframeListener.ts b/front/src/Api/IframeListener.ts
index 147361aa..5079fb28 100644
--- a/front/src/Api/IframeListener.ts
+++ b/front/src/Api/IframeListener.ts
@@ -1,16 +1,16 @@
 import { Subject } from "rxjs";
 import { ChatEvent, isChatEvent } from "./Events/ChatEvent";
 import { HtmlUtils } from "../WebRtc/HtmlUtils";
-import { EnterLeaveEvent } from "./Events/EnterLeaveEvent";
+import type { EnterLeaveEvent } from "./Events/EnterLeaveEvent";
 import { isOpenPopupEvent, OpenPopupEvent } from "./Events/OpenPopupEvent";
 import { isOpenTabEvent, OpenTabEvent } from "./Events/OpenTabEvent";
-import { ButtonClickedEvent } from "./Events/ButtonClickedEvent";
+import type { ButtonClickedEvent } from "./Events/ButtonClickedEvent";
 import { ClosePopupEvent, isClosePopupEvent } from "./Events/ClosePopupEvent";
 import { scriptUtils } from "./ScriptUtils";
 import { GoToPageEvent, isGoToPageEvent } from "./Events/GoToPageEvent";
 import { isOpenCoWebsite, OpenCoWebSiteEvent } from "./Events/OpenCoWebSiteEvent";
 import { IframeEventMap, IframeEvent, IframeResponseEvent, IframeResponseEventMap, isIframeEventWrapper, TypedMessageEvent } from "./Events/IframeEvent";
-import { UserInputChatEvent } from "./Events/UserInputChatEvent";
+import type { UserInputChatEvent } from "./Events/UserInputChatEvent";
 
 
 /**
diff --git a/front/src/Connexion/AdminMessagesService.ts b/front/src/Connexion/AdminMessagesService.ts
index 1750dd28..0cf7f95f 100644
--- a/front/src/Connexion/AdminMessagesService.ts
+++ b/front/src/Connexion/AdminMessagesService.ts
@@ -1,5 +1,5 @@
 import {Subject} from "rxjs";
-import {BanUserMessage, SendUserMessage} from "../Messages/generated/messages_pb";
+import type {BanUserMessage, SendUserMessage} from "../Messages/generated/messages_pb";
 
 export enum AdminMessageEventTypes {
     admin = 'message',
@@ -19,11 +19,11 @@ interface AdminMessageEvent {
 class AdminMessagesService {
     private _messageStream: Subject<AdminMessageEvent> = new Subject();
     public messageStream = this._messageStream.asObservable();
-    
+
     constructor() {
         this.messageStream.subscribe((event) => console.log('message', event))
     }
-    
+
     onSendusermessage(message: SendUserMessage|BanUserMessage) {
         this._messageStream.next({
             type: message.getType() as unknown as AdminMessageEventTypes,
@@ -32,4 +32,4 @@ class AdminMessagesService {
     }
 }
 
-export const adminMessagesService = new AdminMessagesService();
\ No newline at end of file
+export const adminMessagesService = new AdminMessagesService();
diff --git a/front/src/Connexion/ConnectionManager.ts b/front/src/Connexion/ConnectionManager.ts
index a0edacbc..932fb1fc 100644
--- a/front/src/Connexion/ConnectionManager.ts
+++ b/front/src/Connexion/ConnectionManager.ts
@@ -1,7 +1,7 @@
 import Axios from "axios";
 import {PUSHER_URL, START_ROOM_URL} from "../Enum/EnvironmentVariable";
 import {RoomConnection} from "./RoomConnection";
-import {OnConnectInterface, PositionInterface, ViewportInterface} from "./ConnexionModels";
+import type {OnConnectInterface, PositionInterface, ViewportInterface} from "./ConnexionModels";
 import {GameConnexionTypes, urlManager} from "../Url/UrlManager";
 import {localUserStore} from "./LocalUserStore";
 import {LocalUser} from "./LocalUser";
diff --git a/front/src/Connexion/ConnexionModels.ts b/front/src/Connexion/ConnexionModels.ts
index 477e86e3..09447445 100644
--- a/front/src/Connexion/ConnexionModels.ts
+++ b/front/src/Connexion/ConnexionModels.ts
@@ -1,8 +1,8 @@
 import {PlayerAnimationDirections} from "../Phaser/Player/Animation";
 import {UserSimplePeerInterface} from "../WebRtc/SimplePeer";
-import {SignalData} from "simple-peer";
-import {RoomConnection} from "./RoomConnection";
-import {BodyResourceDescriptionInterface} from "../Phaser/Entity/PlayerTextures";
+import type {SignalData} from "simple-peer";
+import type {RoomConnection} from "./RoomConnection";
+import type {BodyResourceDescriptionInterface} from "../Phaser/Entity/PlayerTextures";
 
 export enum EventMessage{
     CONNECT = "connect",
diff --git a/front/src/Connexion/RoomConnection.ts b/front/src/Connexion/RoomConnection.ts
index 101bdd61..6edb9c45 100644
--- a/front/src/Connexion/RoomConnection.ts
+++ b/front/src/Connexion/RoomConnection.ts
@@ -27,11 +27,11 @@ import {
     SendJitsiJwtMessage,
     CharacterLayerMessage,
     PingMessage,
-    SendUserMessage, 
+    SendUserMessage,
     BanUserMessage
 } from "../Messages/generated/messages_pb"
 
-import {UserSimplePeerInterface} from "../WebRtc/SimplePeer";
+import type {UserSimplePeerInterface} from "../WebRtc/SimplePeer";
 import Direction = PositionMessage.Direction;
 import {ProtobufClientUtils} from "../Network/ProtobufClientUtils";
 import {
@@ -42,7 +42,7 @@ import {
     ViewportInterface, WebRtcDisconnectMessageInterface,
     WebRtcSignalReceivedMessageInterface,
 } from "./ConnexionModels";
-import {BodyResourceDescriptionInterface} from "../Phaser/Entity/PlayerTextures";
+import type {BodyResourceDescriptionInterface} from "../Phaser/Entity/PlayerTextures";
 import {adminMessagesService} from "./AdminMessagesService";
 import {worldFullMessageStream} from "./WorldFullMessageStream";
 import {worldFullWarningStream} from "./WorldFullWarningStream";
@@ -86,7 +86,7 @@ export class RoomConnection implements RoomConnection {
         url += '&bottom='+Math.floor(viewport.bottom);
         url += '&left='+Math.floor(viewport.left);
         url += '&right='+Math.floor(viewport.right);
-        
+
         if (typeof companion === 'string') {
             url += '&companion='+encodeURIComponent(companion);
         }
diff --git a/front/src/Network/ProtobufClientUtils.ts b/front/src/Network/ProtobufClientUtils.ts
index 6a402e97..3d2d5c32 100644
--- a/front/src/Network/ProtobufClientUtils.ts
+++ b/front/src/Network/ProtobufClientUtils.ts
@@ -1,6 +1,6 @@
 import {PositionMessage} from "../Messages/generated/messages_pb";
 import Direction = PositionMessage.Direction;
-import {PointInterface} from "../Connexion/ConnexionModels";
+import type {PointInterface} from "../Connexion/ConnexionModels";
 
 export class ProtobufClientUtils {
 
diff --git a/front/src/Phaser/Companion/Companion.ts b/front/src/Phaser/Companion/Companion.ts
index 72491ae1..1c43f452 100644
--- a/front/src/Phaser/Companion/Companion.ts
+++ b/front/src/Phaser/Companion/Companion.ts
@@ -1,6 +1,5 @@
 import Sprite = Phaser.GameObjects.Sprite;
 import Container = Phaser.GameObjects.Container;
-import { lazyLoadCompanionResource } from "./CompanionTexturesLoadingManager";
 import { PlayerAnimationDirections, PlayerAnimationTypes } from "../Player/Animation";
 
 export interface CompanionStatus {
@@ -25,7 +24,7 @@ export class Companion extends Container {
 
     constructor(scene: Phaser.Scene, x: number, y: number, name: string, texturePromise: Promise<string>) {
         super(scene, x + 14, y + 4);
-            
+
         this.sprites = new Map<string, Sprite>();
 
         this.delta = 0;
@@ -104,7 +103,7 @@ export class Companion extends Container {
                 }
             }
         }
-        
+
         this.setDepth(this.y);
         this.playAnimation(this.direction, this.animationType);
     }
@@ -137,7 +136,7 @@ export class Companion extends Container {
         this.getAnimations(resource).forEach(animation => {
             this.scene.anims.create(animation);
         });
-        
+
         this.scene.sys.updateList.add(sprite);
         this.sprites.set(resource, sprite);
     }
diff --git a/front/src/Phaser/Components/MobileJoystick.ts b/front/src/Phaser/Components/MobileJoystick.ts
index 0af3d6c8..fced71da 100644
--- a/front/src/Phaser/Components/MobileJoystick.ts
+++ b/front/src/Phaser/Components/MobileJoystick.ts
@@ -1,5 +1,4 @@
 import VirtualJoystick from 'phaser3-rex-plugins/plugins/virtualjoystick.js';
-import ScaleManager = Phaser.Scale.ScaleManager;
 import {waScaleManager} from "../Services/WaScaleManager";
 
 //the assets were found here: https://hannemann.itch.io/virtual-joystick-pack-free
diff --git a/front/src/Phaser/Components/SoundMeterSprite.ts b/front/src/Phaser/Components/SoundMeterSprite.ts
index 2787059d..582617f9 100644
--- a/front/src/Phaser/Components/SoundMeterSprite.ts
+++ b/front/src/Phaser/Components/SoundMeterSprite.ts
@@ -1,5 +1,5 @@
 import Container = Phaser.GameObjects.Container;
-import {Scene} from "phaser";
+import type {Scene} from "phaser";
 import GameObject = Phaser.GameObjects.GameObject;
 import Rectangle = Phaser.GameObjects.Rectangle;
 
diff --git a/front/src/Phaser/Components/TextUtils.ts b/front/src/Phaser/Components/TextUtils.ts
index beee840a..db9a97fb 100644
--- a/front/src/Phaser/Components/TextUtils.ts
+++ b/front/src/Phaser/Components/TextUtils.ts
@@ -1,7 +1,5 @@
-import {ITiledMapObject} from "../Map/ITiledMap";
-import Text = Phaser.GameObjects.Text;
-import {GameScene} from "../Game/GameScene";
-import TextStyle = Phaser.GameObjects.TextStyle;
+import type {ITiledMapObject} from "../Map/ITiledMap";
+import type {GameScene} from "../Game/GameScene";
 
 export class TextUtils {
     public static createTextFromITiledMapObject(scene: GameScene, object: ITiledMapObject): void {
diff --git a/front/src/Phaser/Entity/PlayerTexturesLoadingManager.ts b/front/src/Phaser/Entity/PlayerTexturesLoadingManager.ts
index 3dfe8368..6d8b84c2 100644
--- a/front/src/Phaser/Entity/PlayerTexturesLoadingManager.ts
+++ b/front/src/Phaser/Entity/PlayerTexturesLoadingManager.ts
@@ -1,6 +1,5 @@
 import LoaderPlugin = Phaser.Loader.LoaderPlugin;
-import TextureManager = Phaser.Textures.TextureManager;
-import {CharacterTexture} from "../../Connexion/LocalUser";
+import type {CharacterTexture} from "../../Connexion/LocalUser";
 import {BodyResourceDescriptionInterface, LAYERS, PLAYER_RESOURCES} from "./PlayerTextures";
 
 
diff --git a/front/src/Phaser/Entity/RemotePlayer.ts b/front/src/Phaser/Entity/RemotePlayer.ts
index 41e2e2df..4787d1f2 100644
--- a/front/src/Phaser/Entity/RemotePlayer.ts
+++ b/front/src/Phaser/Entity/RemotePlayer.ts
@@ -1,7 +1,7 @@
-import {GameScene} from "../Game/GameScene";
-import {PointInterface} from "../../Connexion/ConnexionModels";
+import type {GameScene} from "../Game/GameScene";
+import type {PointInterface} from "../../Connexion/ConnexionModels";
 import {Character} from "../Entity/Character";
-import {PlayerAnimationDirections} from "../Player/Animation";
+import type {PlayerAnimationDirections} from "../Player/Animation";
 
 /**
  * Class representing the sprite of a remote player (a player that plays on another computer)
@@ -22,7 +22,7 @@ export class RemotePlayer extends Character {
         companionTexturePromise?: Promise<string>
     ) {
         super(Scene, x, y, texturesPromise, name, direction, moving, 1);
-        
+
         //set data
         this.userId = userId;
 
@@ -35,9 +35,9 @@ export class RemotePlayer extends Character {
         this.playAnimation(position.direction as PlayerAnimationDirections, position.moving);
         this.setX(position.x);
         this.setY(position.y);
-        
+
         this.setDepth(position.y); //this is to make sure the perspective (player models closer the bottom of the screen will appear in front of models nearer the top of the screen).
-    
+
         if (this.companion) {
             this.companion.setTarget(position.x, position.y, position.direction as PlayerAnimationDirections);
         }
diff --git a/front/src/Phaser/Entity/SpeechBubble.ts b/front/src/Phaser/Entity/SpeechBubble.ts
index 231de875..17b7ed0e 100644
--- a/front/src/Phaser/Entity/SpeechBubble.ts
+++ b/front/src/Phaser/Entity/SpeechBubble.ts
@@ -1,12 +1,12 @@
 import Scene = Phaser.Scene;
-import {Character} from "./Character";
+import type {Character} from "./Character";
 
 //todo: improve this WIP
 export class SpeechBubble {
     private bubble: Phaser.GameObjects.Graphics;
     private content: Phaser.GameObjects.Text;
 
-    
+
     constructor(scene: Scene, player: Character, text: string = "") {
 
         const bubbleHeight = 50;
diff --git a/front/src/Phaser/Game/AddPlayerInterface.ts b/front/src/Phaser/Game/AddPlayerInterface.ts
index 96762a66..70c341ee 100644
--- a/front/src/Phaser/Game/AddPlayerInterface.ts
+++ b/front/src/Phaser/Game/AddPlayerInterface.ts
@@ -1,5 +1,5 @@
-import {PointInterface} from "../../Connexion/ConnexionModels";
-import {BodyResourceDescriptionInterface} from "../Entity/PlayerTextures";
+import type {PointInterface} from "../../Connexion/ConnexionModels";
+import type {BodyResourceDescriptionInterface} from "../Entity/PlayerTextures";
 
 export interface AddPlayerInterface {
     userId: number;
diff --git a/front/src/Phaser/Game/GameManager.ts b/front/src/Phaser/Game/GameManager.ts
index 6047d430..2a1d3d8a 100644
--- a/front/src/Phaser/Game/GameManager.ts
+++ b/front/src/Phaser/Game/GameManager.ts
@@ -1,6 +1,6 @@
 import {GameScene} from "./GameScene";
 import {connectionManager} from "../../Connexion/ConnectionManager";
-import {Room} from "../../Connexion/Room";
+import type {Room} from "../../Connexion/Room";
 import {MenuScene, MenuSceneName} from "../Menu/MenuScene";
 import {HelpCameraSettingsScene, HelpCameraSettingsSceneName} from "../Menu/HelpCameraSettingsScene";
 import {LoginSceneName} from "../Login/LoginScene";
@@ -24,7 +24,7 @@ export class GameManager {
     private companion: string|null;
     private startRoom!:Room;
     currentGameSceneName: string|null = null;
-    
+
     constructor() {
         this.playerName = localUserStore.getName();
         this.characterLayers = localUserStore.getCharacterLayers();
@@ -65,7 +65,7 @@ export class GameManager {
         return this.characterLayers;
     }
 
-    
+
     setCompanion(companion: string|null): void {
         this.companion = companion;
     }
@@ -91,7 +91,7 @@ export class GameManager {
         scenePlugin.launch(MenuSceneName);
         scenePlugin.launch(HelpCameraSettingsSceneName);//700
     }
-    
+
     public gameSceneIsCreated(scene: GameScene) {
         this.currentGameSceneName = scene.scene.key;
         const menuScene: MenuScene = scene.scene.get(MenuSceneName) as MenuScene;
@@ -125,7 +125,7 @@ export class GameManager {
             scene.scene.run(fallbackSceneName)
         }
     }
-    
+
     public getCurrentGameScene(scene: Phaser.Scene): GameScene {
         if (this.currentGameSceneName === null) throw 'No current scene id set!';
         return scene.scene.get(this.currentGameSceneName) as GameScene
diff --git a/front/src/Phaser/Game/GameMap.ts b/front/src/Phaser/Game/GameMap.ts
index 5fe91b62..7c93a702 100644
--- a/front/src/Phaser/Game/GameMap.ts
+++ b/front/src/Phaser/Game/GameMap.ts
@@ -1,4 +1,4 @@
-import {ITiledMap, ITiledMapLayer} from "../Map/ITiledMap";
+import type {ITiledMap, ITiledMapLayer} from "../Map/ITiledMap";
 import {LayersIterator} from "../Map/LayersIterator";
 
 export type PropertyChangeCallback = (newValue: string | number | boolean | undefined, oldValue: string | number | boolean | undefined, allProps: Map<string, string | boolean | number>) => void;
diff --git a/front/src/Phaser/Game/GameScene.ts b/front/src/Phaser/Game/GameScene.ts
index e7e25678..7b968615 100644
--- a/front/src/Phaser/Game/GameScene.ts
+++ b/front/src/Phaser/Game/GameScene.ts
@@ -1,5 +1,5 @@
 import {gameManager, HasMovedEvent} from "./GameManager";
-import {
+import type {
     GroupCreatedUpdatedMessageInterface,
     MessageUserJoined,
     MessageUserMovedInterface,
@@ -16,7 +16,7 @@ import {
     MAX_PER_GROUP,
     POSITION_DELAY,
 } from "../../Enum/EnvironmentVariable";
-import {
+import type {
     ITiledMap,
     ITiledMapLayer,
     ITiledMapLayerProperty,
@@ -25,7 +25,7 @@ import {
     ITiledMapTileLayer,
     ITiledTileSet
 } from "../Map/ITiledMap";
-import {AddPlayerInterface} from "./AddPlayerInterface";
+import type {AddPlayerInterface} from "./AddPlayerInterface";
 import {PlayerAnimationDirections} from "../Player/Animation";
 import {PlayerMovement} from "./PlayerMovement";
 import {PlayersPositionInterpolator} from "./PlayersPositionInterpolator";
@@ -49,13 +49,13 @@ import {
 import {GameMap} from "./GameMap";
 import {coWebsiteManager} from "../../WebRtc/CoWebsiteManager";
 import {mediaManager} from "../../WebRtc/MediaManager";
-import {ItemFactoryInterface} from "../Items/ItemFactoryInterface";
-import {ActionableItem} from "../Items/ActionableItem";
+import type {ItemFactoryInterface} from "../Items/ItemFactoryInterface";
+import type {ActionableItem} from "../Items/ActionableItem";
 import {UserInputManager} from "../UserInput/UserInputManager";
-import {UserMovedMessage} from "../../Messages/generated/messages_pb";
+import type {UserMovedMessage} from "../../Messages/generated/messages_pb";
 import {ProtobufClientUtils} from "../../Network/ProtobufClientUtils";
 import {connectionManager} from "../../Connexion/ConnectionManager";
-import {RoomConnection} from "../../Connexion/RoomConnection";
+import type {RoomConnection} from "../../Connexion/RoomConnection";
 import {GlobalMessageManager} from "../../Administration/GlobalMessageManager";
 import {userMessageManager} from "../../Administration/UserMessageManager";
 import {ConsoleGlobalMessageManager} from "../../Administration/ConsoleGlobalMessageManager";
@@ -80,7 +80,7 @@ import CanvasTexture = Phaser.Textures.CanvasTexture;
 import GameObject = Phaser.GameObjects.GameObject;
 import FILE_LOAD_ERROR = Phaser.Loader.Events.FILE_LOAD_ERROR;
 import DOMElement = Phaser.GameObjects.DOMElement;
-import {Subscription} from "rxjs";
+import type {Subscription} from "rxjs";
 import {worldFullMessageStream} from "../../Connexion/WorldFullMessageStream";
 import { lazyLoadCompanionResource } from "../Companion/CompanionTexturesLoadingManager";
 import RenderTexture = Phaser.GameObjects.RenderTexture;
diff --git a/front/src/Phaser/Game/PlayerMovement.ts b/front/src/Phaser/Game/PlayerMovement.ts
index eb1a5d1b..89c4c1a4 100644
--- a/front/src/Phaser/Game/PlayerMovement.ts
+++ b/front/src/Phaser/Game/PlayerMovement.ts
@@ -1,6 +1,6 @@
-import {HasMovedEvent} from "./GameManager";
+import type {HasMovedEvent} from "./GameManager";
 import {MAX_EXTRAPOLATION_TIME} from "../../Enum/EnvironmentVariable";
-import {PositionInterface} from "../../Connexion/ConnexionModels";
+import type {PositionInterface} from "../../Connexion/ConnexionModels";
 
 export class PlayerMovement {
     public constructor(private startPosition: PositionInterface, private startTick: number, private endPosition: HasMovedEvent, private endTick: number) {
diff --git a/front/src/Phaser/Game/PlayersPositionInterpolator.ts b/front/src/Phaser/Game/PlayersPositionInterpolator.ts
index 3ac87397..100aa1a0 100644
--- a/front/src/Phaser/Game/PlayersPositionInterpolator.ts
+++ b/front/src/Phaser/Game/PlayersPositionInterpolator.ts
@@ -2,8 +2,8 @@
  * This class is in charge of computing the position of all players.
  * Player movement is delayed by 200ms so position depends on ticks.
  */
-import {PlayerMovement} from "./PlayerMovement";
-import {HasMovedEvent} from "./GameManager";
+import type {PlayerMovement} from "./PlayerMovement";
+import type {HasMovedEvent} from "./GameManager";
 
 export class PlayersPositionInterpolator {
     playerMovements: Map<number, PlayerMovement> = new Map<number, PlayerMovement>();
diff --git a/front/src/Phaser/Items/ActionableItem.ts b/front/src/Phaser/Items/ActionableItem.ts
index fe4de385..f012b525 100644
--- a/front/src/Phaser/Items/ActionableItem.ts
+++ b/front/src/Phaser/Items/ActionableItem.ts
@@ -4,7 +4,7 @@
  */
 import Sprite = Phaser.GameObjects.Sprite;
 import {OutlinePipeline} from "../Shaders/OutlinePipeline";
-import {GameScene} from "../Game/GameScene";
+import type {GameScene} from "../Game/GameScene";
 
 type EventCallback = (state: unknown, parameters: unknown) => void;
 
diff --git a/front/src/Phaser/Items/Computer/computer.ts b/front/src/Phaser/Items/Computer/computer.ts
index fdc7a358..8240d904 100644
--- a/front/src/Phaser/Items/Computer/computer.ts
+++ b/front/src/Phaser/Items/Computer/computer.ts
@@ -1,9 +1,9 @@
 import * as Phaser from 'phaser';
 import {Scene} from "phaser";
 import Sprite = Phaser.GameObjects.Sprite;
-import {ITiledMapObject} from "../../Map/ITiledMap";
-import {ItemFactoryInterface} from "../ItemFactoryInterface";
-import {GameScene} from "../../Game/GameScene";
+import type {ITiledMapObject} from "../../Map/ITiledMap";
+import type {ItemFactoryInterface} from "../ItemFactoryInterface";
+import type {GameScene} from "../../Game/GameScene";
 import {ActionableItem} from "../ActionableItem";
 import * as tg from "generic-type-guard";
 
diff --git a/front/src/Phaser/Items/ItemFactoryInterface.ts b/front/src/Phaser/Items/ItemFactoryInterface.ts
index e3e52517..deff8fbb 100644
--- a/front/src/Phaser/Items/ItemFactoryInterface.ts
+++ b/front/src/Phaser/Items/ItemFactoryInterface.ts
@@ -1,7 +1,7 @@
+import type {GameScene} from "../Game/GameScene";
+import type {ITiledMapObject} from "../Map/ITiledMap";
+import type {ActionableItem} from "./ActionableItem";
 import LoaderPlugin = Phaser.Loader.LoaderPlugin;
-import {GameScene} from "../Game/GameScene";
-import {ITiledMapObject} from "../Map/ITiledMap";
-import {ActionableItem} from "./ActionableItem";
 
 export interface ItemFactoryInterface {
     preload: (loader: LoaderPlugin) => void;
diff --git a/front/src/Phaser/Login/AbstractCharacterScene.ts b/front/src/Phaser/Login/AbstractCharacterScene.ts
index dfc98539..0d3a7c3b 100644
--- a/front/src/Phaser/Login/AbstractCharacterScene.ts
+++ b/front/src/Phaser/Login/AbstractCharacterScene.ts
@@ -1,8 +1,8 @@
 import {ResizableScene} from "./ResizableScene";
 import {localUserStore} from "../../Connexion/LocalUserStore";
-import {BodyResourceDescriptionInterface} from "../Entity/PlayerTextures";
+import type {BodyResourceDescriptionInterface} from "../Entity/PlayerTextures";
 import {loadCustomTexture} from "../Entity/PlayerTexturesLoadingManager";
-import {CharacterTexture} from "../../Connexion/LocalUser";
+import type {CharacterTexture} from "../../Connexion/LocalUser";
 
 export abstract class AbstractCharacterScene extends ResizableScene {
 
@@ -38,4 +38,4 @@ export abstract class AbstractCharacterScene extends ResizableScene {
         const localUser = localUserStore.getLocalUser();
         return localUser?.textures;
     }
-}
\ No newline at end of file
+}
diff --git a/front/src/Phaser/Login/CustomizeScene.ts b/front/src/Phaser/Login/CustomizeScene.ts
index c20bc61e..8b9a9a7a 100644
--- a/front/src/Phaser/Login/CustomizeScene.ts
+++ b/front/src/Phaser/Login/CustomizeScene.ts
@@ -6,7 +6,7 @@ import Container = Phaser.GameObjects.Container;
 import {gameManager} from "../Game/GameManager";
 import {localUserStore} from "../../Connexion/LocalUserStore";
 import {addLoader} from "../Components/Loader";
-import {BodyResourceDescriptionInterface} from "../Entity/PlayerTextures";
+import type {BodyResourceDescriptionInterface} from "../Entity/PlayerTextures";
 import {AbstractCharacterScene} from "./AbstractCharacterScene";
 import {areCharacterLayersValid} from "../../Connexion/LocalUser";
 import { MenuScene } from "../Menu/MenuScene";
diff --git a/front/src/Phaser/Login/SelectCharacterMobileScene.ts b/front/src/Phaser/Login/SelectCharacterMobileScene.ts
index e29ab798..b9c4b5a8 100644
--- a/front/src/Phaser/Login/SelectCharacterMobileScene.ts
+++ b/front/src/Phaser/Login/SelectCharacterMobileScene.ts
@@ -1,18 +1,4 @@
-import {gameManager} from "../Game/GameManager";
-import {TextField} from "../Components/TextField";
-import Image = Phaser.GameObjects.Image;
-import Rectangle = Phaser.GameObjects.Rectangle;
-import {EnableCameraSceneName} from "./EnableCameraScene";
-import {CustomizeSceneName} from "./CustomizeScene";
-import {localUserStore} from "../../Connexion/LocalUserStore";
-import {loadAllDefaultModels} from "../Entity/PlayerTexturesLoadingManager";
-import {BodyResourceDescriptionInterface} from "../Entity/PlayerTextures";
-import {AbstractCharacterScene} from "./AbstractCharacterScene";
-import {areCharacterLayersValid} from "../../Connexion/LocalUser";
-import {touchScreenManager} from "../../Touch/TouchScreenManager";
-import {PinchManager} from "../UserInput/PinchManager";
-import {MenuScene} from "../Menu/MenuScene";
-import { SelectCharacterScene, SelectCharacterSceneName } from "./SelectCharacterScene";
+import { SelectCharacterScene } from "./SelectCharacterScene";
 
 export class SelectCharacterMobileScene extends SelectCharacterScene {
 
@@ -20,7 +6,7 @@ export class SelectCharacterMobileScene extends SelectCharacterScene {
         super.create();
         this.selectedRectangle.destroy();
     }
-    
+
     protected defineSetupPlayer(numero: number){
         const deltaX = 30;
         const deltaY = 2;
diff --git a/front/src/Phaser/Login/SelectCharacterScene.ts b/front/src/Phaser/Login/SelectCharacterScene.ts
index 0366dde5..ecbb9c64 100644
--- a/front/src/Phaser/Login/SelectCharacterScene.ts
+++ b/front/src/Phaser/Login/SelectCharacterScene.ts
@@ -1,18 +1,16 @@
 import {gameManager} from "../Game/GameManager";
-import Image = Phaser.GameObjects.Image;
 import Rectangle = Phaser.GameObjects.Rectangle;
 import {EnableCameraSceneName} from "./EnableCameraScene";
 import {CustomizeSceneName} from "./CustomizeScene";
 import {localUserStore} from "../../Connexion/LocalUserStore";
 import {loadAllDefaultModels} from "../Entity/PlayerTexturesLoadingManager";
 import {addLoader} from "../Components/Loader";
-import {BodyResourceDescriptionInterface} from "../Entity/PlayerTextures";
+import type {BodyResourceDescriptionInterface} from "../Entity/PlayerTextures";
 import {AbstractCharacterScene} from "./AbstractCharacterScene";
 import {areCharacterLayersValid} from "../../Connexion/LocalUser";
 import {touchScreenManager} from "../../Touch/TouchScreenManager";
 import {PinchManager} from "../UserInput/PinchManager";
 import {MenuScene} from "../Menu/MenuScene";
-import { SelectCharacterMobileScene } from "./SelectCharacterMobileScene";
 
 //todo: put this constants in a dedicated file
 export const SelectCharacterSceneName = "SelectCharacterScene";
diff --git a/front/src/Phaser/Login/SelectCompanionScene.ts b/front/src/Phaser/Login/SelectCompanionScene.ts
index 4ef378d6..203fd557 100644
--- a/front/src/Phaser/Login/SelectCompanionScene.ts
+++ b/front/src/Phaser/Login/SelectCompanionScene.ts
@@ -5,7 +5,7 @@ import { gameManager} from "../Game/GameManager";
 import { ResizableScene } from "./ResizableScene";
 import { EnableCameraSceneName } from "./EnableCameraScene";
 import { localUserStore } from "../../Connexion/LocalUserStore";
-import { CompanionResourceDescriptionInterface } from "../Companion/CompanionTextures";
+import type { CompanionResourceDescriptionInterface } from "../Companion/CompanionTextures";
 import { getAllCompanionResources } from "../Companion/CompanionTexturesLoadingManager";
 import {touchScreenManager} from "../../Touch/TouchScreenManager";
 import {PinchManager} from "../UserInput/PinchManager";
diff --git a/front/src/Phaser/Map/LayersIterator.ts b/front/src/Phaser/Map/LayersIterator.ts
index 501a5f7b..c39f05d8 100644
--- a/front/src/Phaser/Map/LayersIterator.ts
+++ b/front/src/Phaser/Map/LayersIterator.ts
@@ -1,4 +1,4 @@
-import {ITiledMap, ITiledMapLayer} from "./ITiledMap";
+import type {ITiledMap, ITiledMapLayer} from "./ITiledMap";
 
 /**
  * Iterates over the layers of a map, flattening the grouped layers
diff --git a/front/src/Phaser/Player/Player.ts b/front/src/Phaser/Player/Player.ts
index 3db7f051..6044ba84 100644
--- a/front/src/Phaser/Player/Player.ts
+++ b/front/src/Phaser/Player/Player.ts
@@ -1,5 +1,5 @@
 import {PlayerAnimationDirections} from "./Animation";
-import {GameScene} from "../Game/GameScene";
+import type {GameScene} from "../Game/GameScene";
 import {UserInputEvent, UserInputManager} from "../UserInput/UserInputManager";
 import {Character} from "../Entity/Character";
 
diff --git a/front/src/Phaser/UserInput/UserInputManager.ts b/front/src/Phaser/UserInput/UserInputManager.ts
index fe78dac8..073244d2 100644
--- a/front/src/Phaser/UserInput/UserInputManager.ts
+++ b/front/src/Phaser/UserInput/UserInputManager.ts
@@ -1,5 +1,5 @@
-import { Direction } from "../../types";
-import {GameScene} from "../Game/GameScene";
+import type { Direction } from "../../types";
+import type {GameScene} from "../Game/GameScene";
 import {touchScreenManager} from "../../Touch/TouchScreenManager";
 import {MobileJoystick} from "../Components/MobileJoystick";
 
diff --git a/front/src/Url/UrlManager.ts b/front/src/Url/UrlManager.ts
index 9e10b4ee..b502467f 100644
--- a/front/src/Url/UrlManager.ts
+++ b/front/src/Url/UrlManager.ts
@@ -1,4 +1,4 @@
-import {Room} from "../Connexion/Room";
+import type {Room} from "../Connexion/Room";
 
 export enum GameConnexionTypes {
     anonymous=1,
diff --git a/front/src/WebRtc/DiscussionManager.ts b/front/src/WebRtc/DiscussionManager.ts
index 3e565c21..9bbfac5a 100644
--- a/front/src/WebRtc/DiscussionManager.ts
+++ b/front/src/WebRtc/DiscussionManager.ts
@@ -1,6 +1,6 @@
 import {HtmlUtils} from "./HtmlUtils";
-import {mediaManager, ReportCallback, ShowReportCallBack} from "./MediaManager";
-import {UserInputManager} from "../Phaser/UserInput/UserInputManager";
+import type {ShowReportCallBack} from "./MediaManager";
+import type {UserInputManager} from "../Phaser/UserInput/UserInputManager";
 import {connectionManager} from "../Connexion/ConnectionManager";
 import {GameConnexionTypes} from "../Url/UrlManager";
 import {iframeListener} from "../Api/IframeListener";
diff --git a/front/src/WebRtc/LayoutManager.ts b/front/src/WebRtc/LayoutManager.ts
index eed12333..3d92baac 100644
--- a/front/src/WebRtc/LayoutManager.ts
+++ b/front/src/WebRtc/LayoutManager.ts
@@ -1,4 +1,4 @@
-import { UserInputManager } from "../Phaser/UserInput/UserInputManager";
+import type { UserInputManager } from "../Phaser/UserInput/UserInputManager";
 import {HtmlUtils} from "./HtmlUtils";
 
 export enum LayoutMode {
@@ -324,7 +324,7 @@ class LayoutManager {
     public addActionButton(id: string, text: string, callBack: Function, userInputManager: UserInputManager){
         //delete previous element
         this.removeActionButton(id, userInputManager);
-    
+
         //create div and text html component
         const p = document.createElement('p');
         p.classList.add('action-body');
diff --git a/front/src/WebRtc/MediaManager.ts b/front/src/WebRtc/MediaManager.ts
index 2bed2c68..0f88e743 100644
--- a/front/src/WebRtc/MediaManager.ts
+++ b/front/src/WebRtc/MediaManager.ts
@@ -1,9 +1,9 @@
 import {DivImportance, layoutManager} from "./LayoutManager";
 import {HtmlUtils} from "./HtmlUtils";
 import {discussionManager, SendMessageCallback} from "./DiscussionManager";
-import {UserInputManager} from "../Phaser/UserInput/UserInputManager";
+import type {UserInputManager} from "../Phaser/UserInput/UserInputManager";
 import {localUserStore} from "../Connexion/LocalUserStore";
-import {UserSimplePeerInterface} from "./SimplePeer";
+import type {UserSimplePeerInterface} from "./SimplePeer";
 import {SoundMeter} from "../Phaser/Components/SoundMeter";
 
 declare const navigator:any; // eslint-disable-line @typescript-eslint/no-explicit-any
diff --git a/front/src/WebRtc/ScreenSharingPeer.ts b/front/src/WebRtc/ScreenSharingPeer.ts
index cb48e7be..f1786ef3 100644
--- a/front/src/WebRtc/ScreenSharingPeer.ts
+++ b/front/src/WebRtc/ScreenSharingPeer.ts
@@ -1,9 +1,9 @@
-import * as SimplePeerNamespace from "simple-peer";
+import type * as SimplePeerNamespace from "simple-peer";
 import {mediaManager} from "./MediaManager";
 import {STUN_SERVER, TURN_SERVER, TURN_USER, TURN_PASSWORD} from "../Enum/EnvironmentVariable";
-import {RoomConnection} from "../Connexion/RoomConnection";
+import type {RoomConnection} from "../Connexion/RoomConnection";
 import {MESSAGE_TYPE_CONSTRAINT} from "./VideoPeer";
-import {UserSimplePeerInterface} from "./SimplePeer";
+import type {UserSimplePeerInterface} from "./SimplePeer";
 
 const Peer: SimplePeerNamespace.SimplePeer = require('simple-peer');
 
diff --git a/front/src/WebRtc/SimplePeer.ts b/front/src/WebRtc/SimplePeer.ts
index 3a56d20b..67e72c6d 100644
--- a/front/src/WebRtc/SimplePeer.ts
+++ b/front/src/WebRtc/SimplePeer.ts
@@ -1,4 +1,4 @@
-import {
+import type {
     WebRtcDisconnectMessageInterface,
     WebRtcSignalReceivedMessageInterface,
 } from "../Connexion/ConnexionModels";
@@ -10,7 +10,7 @@ import {
 } from "./MediaManager";
 import {ScreenSharingPeer} from "./ScreenSharingPeer";
 import {MESSAGE_TYPE_BLOCKED, MESSAGE_TYPE_CONSTRAINT, MESSAGE_TYPE_MESSAGE, VideoPeer} from "./VideoPeer";
-import {RoomConnection} from "../Connexion/RoomConnection";
+import type {RoomConnection} from "../Connexion/RoomConnection";
 import {connectionManager} from "../Connexion/ConnectionManager";
 import {GameConnexionTypes} from "../Url/UrlManager";
 import {blackListManager} from "./BlackListManager";
diff --git a/front/src/WebRtc/VideoPeer.ts b/front/src/WebRtc/VideoPeer.ts
index 2952ea62..503ca0de 100644
--- a/front/src/WebRtc/VideoPeer.ts
+++ b/front/src/WebRtc/VideoPeer.ts
@@ -1,10 +1,10 @@
-import * as SimplePeerNamespace from "simple-peer";
+import type * as SimplePeerNamespace from "simple-peer";
 import {mediaManager} from "./MediaManager";
 import {STUN_SERVER, TURN_PASSWORD, TURN_SERVER, TURN_USER} from "../Enum/EnvironmentVariable";
-import {RoomConnection} from "../Connexion/RoomConnection";
+import type {RoomConnection} from "../Connexion/RoomConnection";
 import {blackListManager} from "./BlackListManager";
-import {Subscription} from "rxjs";
-import {UserSimplePeerInterface} from "./SimplePeer";
+import type {Subscription} from "rxjs";
+import type {UserSimplePeerInterface} from "./SimplePeer";
 
 const Peer: SimplePeerNamespace.SimplePeer = require('simple-peer');
 
diff --git a/front/src/iframe_api.ts b/front/src/iframe_api.ts
index 0bef1cc7..df37e53d 100644
--- a/front/src/iframe_api.ts
+++ b/front/src/iframe_api.ts
@@ -1,14 +1,14 @@
-import { ChatEvent } from "./Api/Events/ChatEvent";
+import type { ChatEvent } from "./Api/Events/ChatEvent";
 import { isIframeResponseEventWrapper } from "./Api/Events/IframeEvent";
 import { isUserInputChatEvent, UserInputChatEvent } from "./Api/Events/UserInputChatEvent";
 import { Subject } from "rxjs";
 import { EnterLeaveEvent, isEnterLeaveEvent } from "./Api/Events/EnterLeaveEvent";
-import { OpenPopupEvent } from "./Api/Events/OpenPopupEvent";
+import type { OpenPopupEvent } from "./Api/Events/OpenPopupEvent";
 import { isButtonClickedEvent } from "./Api/Events/ButtonClickedEvent";
-import { ClosePopupEvent } from "./Api/Events/ClosePopupEvent";
-import { OpenTabEvent } from "./Api/Events/OpenTabEvent";
-import { GoToPageEvent } from "./Api/Events/GoToPageEvent";
-import { OpenCoWebSiteEvent } from "./Api/Events/OpenCoWebSiteEvent";
+import type { ClosePopupEvent } from "./Api/Events/ClosePopupEvent";
+import type { OpenTabEvent } from "./Api/Events/OpenTabEvent";
+import type { GoToPageEvent } from "./Api/Events/GoToPageEvent";
+import type { OpenCoWebSiteEvent } from "./Api/Events/OpenCoWebSiteEvent";
 
 interface WorkAdventureApi {
     sendChatMessage(message: string, author: string): void;
diff --git a/front/src/types.ts b/front/src/types.ts
index 6b99434d..6b9e97e6 100644
--- a/front/src/types.ts
+++ b/front/src/types.ts
@@ -1,4 +1,4 @@
-import Phaser from "phaser";
+import type Phaser from "phaser";
 
 export type CursorKey = {
     isDown: boolean
diff --git a/front/tsconfig.json b/front/tsconfig.json
index ce16ffb5..1845ee40 100644
--- a/front/tsconfig.json
+++ b/front/tsconfig.json
@@ -11,6 +11,8 @@
     "allowJs": true,
     "esModuleInterop": true,
 
+    "importsNotUsedAsValues": "error",
+
     "strict": true,                        /* Enable all strict type-checking options. */
     "noImplicitAny": true,                 /* Raise error on expressions and declarations with an implied 'any' type. */
     "strictNullChecks": true,              /* Enable strict null checks. */