FIX: improved the validation from localstorage for username and characterLayers

front/src/Connexion/LocalUser.ts

@@ -1,3 +1,5 @@
+import {MAX_USERNAME_LENGTH} from "../Enum/EnvironmentVariable";
+
 export interface CharacterTexture {
     id: number,
     level: number,
@@ -5,6 +7,23 @@ export interface CharacterTexture {
     rights: string
 }
 
+export const maxUserNameLength: number = MAX_USERNAME_LENGTH;
+
+export function isUserNameValid(value: string): boolean {
+    const regexp = new RegExp('^[A-Za-z]{1,'+maxUserNameLength+'}$');
+    return regexp.test(value);
+}
+
+export function areCharacterLayersValid(value: string[]): boolean {
+    if (!value.length) return false;
+    for (let i = 0; i < value.length; i++) {
+        if (/^\w+$/.exec(value[i]) === null) {
+            return false;
+        }
+    }
+    return true;
+}
+
 export class LocalUser {
     constructor(public readonly uuid:string, public readonly jwtToken: string, public readonly textures: CharacterTexture[]) {
     }