Function _addArrayPathsToValidate

lib/document.js:3243–3272

(doc, paths)

}

function _addArrayPathsToValidate(doc, paths) {
  for (const path of paths) {
    const _pathType = doc.$__schema.path(path);
    if (!_pathType) {
      continue;
    }

    if (!_pathType.$isMongooseArray ||
        // To avoid potential performance issues, skip doc arrays whose children
        // are not required. `getPositionalPathType()` may be slow, so avoid
        // it unless we have a case of #6364
        (!Array.isArray(_pathType) &&
          _pathType.$isMongooseDocumentArray &&
          !_pathType?.schemaOptions?.required)) {
      continue;
    }

    // gh-11380: optimization. If the array isn't a document array and there's no validators
    // on the array type, there's no need to run validation on the individual array elements.
    if (_pathType.$isMongooseArray &&
        !_pathType.$isMongooseDocumentArray && // Skip document arrays...
        !_pathType.embeddedSchemaType.$isMongooseArray && // and arrays of arrays
        _pathType.embeddedSchemaType.validators.length === 0) {
      continue;
    }

    const val = doc.$__getValue(path);
    _pushNestedArrayPaths(val, paths, path);
  }
}

function _pushNestedArrayPaths(val, paths, path) {
  if (val != null) {