add clan() function on playerinfo and Player

src/core/game/Game.ts

@@ -211,6 +211,8 @@ export interface MutableAlliance extends Alliance {
 }
 
 export class PlayerInfo {
+  public readonly clan: string | null;
+
   constructor(
     public readonly flag: string,
     public readonly name: string,
@@ -220,7 +222,15 @@ export class PlayerInfo {
     // TODO: make player id the small id
     public readonly id: PlayerID,
     public readonly nation?: Nation | null,
-  ) {}
+  ) {
+    // Compute clan from name
+    if (!name.startsWith("[") || !name.includes("]")) {
+      this.clan = null;
+    } else {
+      const clanMatch = name.match(/^\[([A-Z]{2,5})\]/);
+      this.clan = clanMatch ? clanMatch[1] : null;
+    }
+  }
 }
 
 // Some units have info specific to them
@@ -349,6 +359,7 @@ export interface Player {
   // Either allied or on same team.
   isFriendly(other: Player): boolean;
   team(): Team | null;
+  clan(): string | null;
   incomingAllianceRequests(): AllianceRequest[];
   outgoingAllianceRequests(): AllianceRequest[];
   alliances(): MutableAlliance[];

src/core/game/PlayerImpl.ts

@@ -194,6 +194,10 @@ export class PlayerImpl implements Player {
     return this.playerInfo.playerType;
   }
 
+  clan(): string | null {
+    return this.playerInfo.clan;
+  }
+
   units(...types: UnitType[]): UnitImpl[] {
     if (types.length == 0) {
       return this._units;