Function validatePrefab

src/world/validate.ts:72–98

(p: PrefabData)

}

export function validatePrefab(p: PrefabData): ValidationResult {
  const errors: string[] = [];

  if (typeof p.schemaVersion !== 'number') {
    errors.push('prefab.schemaVersion is missing or not a number');
  } else if (p.schemaVersion > WORLD_SCHEMA_VERSION) {
    errors.push('prefab.schemaVersion ' + p.schemaVersion + ' is newer than engine');
  }

  if (typeof p.id !== 'string' || p.id.length === 0) {
    errors.push('prefab.id must be a non-empty string');
  }
  if (typeof p.name !== 'string') {
    errors.push('prefab.name must be a string');
  }

  if (!Array.isArray(p.children)) {
    errors.push('prefab.children must be an array');
  } else {
    const seenIds = new Set<string>();
    for (let i = 0; i < p.children.length; i++) {
      validatePrefabChild(errors, 'prefab.children[' + i + ']', p.children[i], seenIds);
    }
  }

  return { ok: errors.length === 0, errors };
}

// ---- helpers ---------------------------------------------------------------