import { RacingDomainValidationError } from '../errors/RacingDomainError'; export class TrackLength { private constructor(private readonly value: number) {} static create(value: number): TrackLength { if (value <= 0) { throw new RacingDomainValidationError('Track length must be positive'); } return new TrackLength(value); } toNumber(): number { return this.value; } equals(other: TrackLength): boolean { return this.value === other.value; } }