rating

core/identity/domain/value-objects/GameKey.ts

@@ -0,0 +1,43 @@
+import type { IValueObject } from '@core/shared/domain';
+import { IdentityDomainValidationError } from '../errors/IdentityDomainError';
+
+export interface GameKeyProps {
+  value: string;
+}
+
+export class GameKey implements IValueObject<GameKeyProps> {
+  readonly value: string;
+
+  private constructor(value: string) {
+    this.value = value;
+  }
+
+  static create(value: string): GameKey {
+    if (!value || value.trim().length === 0) {
+      throw new IdentityDomainValidationError('GameKey cannot be empty');
+    }
+
+    const trimmed = value.trim();
+    // Game keys should be lowercase alphanumeric with optional underscores/hyphens
+    const gameKeyRegex = /^[a-z0-9][a-z0-9_-]*$/;
+    if (!gameKeyRegex.test(trimmed)) {
+      throw new IdentityDomainValidationError(
+        `Invalid game key: ${value}. Must be lowercase alphanumeric with optional underscores/hyphens`
+      );
+    }
+
+    return new GameKey(trimmed);
+  }
+
+  get props(): GameKeyProps {
+    return { value: this.value };
+  }
+
+  equals(other: IValueObject<GameKeyProps>): boolean {
+    return this.value === other.props.value;
+  }
+
+  toString(): string {
+    return this.value;
+  }
+}