fixed string | null

src/core/game/Game.ts

@@ -304,7 +304,7 @@ export class PlayerInfo {
   public readonly clan: string | null;
 
   constructor(
-    public readonly pattern: string | null | undefined,
+    public readonly pattern: string | null,
     public readonly flag: string | undefined,
     public readonly name: string,
     public readonly playerType: PlayerType,

src/core/game/GameUpdates.ts

@@ -93,7 +93,7 @@ export interface PlayerUpdate {
   type: GameUpdateType.Player;
   nameViewData?: NameViewData;
   clientID: ClientID | null;
-  pattern: string | undefined | null;
+  pattern: string | null;
   flag: string | undefined;
   name: string;
   displayName: string;

src/core/game/GameView.ts

@@ -172,7 +172,7 @@ export class PlayerView {
     return this.data.flag;
   }
 
-  pattern(): string | undefined | null {
+  pattern(): string | null {
     return this.data.pattern;
   }
 

src/core/game/PlayerImpl.ts

@@ -80,7 +80,7 @@ export class PlayerImpl implements Player {
   public _units: Unit[] = [];
   public _tiles: Set<TileRef> = new Set();
 
-  private _pattern: string | undefined | null;
+  private _pattern: string | null;
   private _flag: string | undefined;
   private _name: string;
   private _displayName: string;
@@ -180,7 +180,7 @@ export class PlayerImpl implements Player {
     return this._smallID;
   }
 
-  pattern(): string | undefined | null {
+  pattern(): string | null {
     return this._pattern;
   }