refactor

core/racing/domain/entities/TimeInRace.ts

@@ -0,0 +1,20 @@
+import { RacingDomainValidationError } from '../errors/RacingDomainError';
+
+export class TimeInRace {
+  private constructor(private readonly value: number) {}
+
+  static create(value: number): TimeInRace {
+    if (typeof value !== 'number' || value < 0 || isNaN(value)) {
+      throw new RacingDomainValidationError('Time in race must be a non-negative number');
+    }
+    return new TimeInRace(value);
+  }
+
+  toNumber(): number {
+    return this.value;
+  }
+
+  equals(other: TimeInRace): boolean {
+    return this.value === other.value;
+  }
+}