expo/src/winter/DOMException.ts

The Expo SDK

/**
 * Copyright © 2026 650 Industries.
 * Copyright © Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * Forked from React Native's DOMException implementation
 * https://github.com/facebook/react-native/blob/f5bd86c31105bb6a994acb03c8149bd7ee03dac6/packages/react-native/src/private/webapis/errors/DOMException.js
 */

const ERROR_NAME_TO_ERROR_CODE_MAP: Record<string, number> = {
  IndexSizeError: 1,
  HierarchyRequestError: 3,
  WrongDocumentError: 4,
  InvalidCharacterError: 5,
  NoModificationAllowedError: 7,
  NotFoundError: 8,
  NotSupportedError: 9,
  InUseAttributeError: 10,
  InvalidStateError: 11,
  SyntaxError: 12,
  InvalidModificationError: 13,
  NamespaceError: 14,
  InvalidAccessError: 15,
  TypeMismatchError: 17,
  SecurityError: 18,
  NetworkError: 19,
  AbortError: 20,
  URLMismatchError: 21,
  QuotaExceededError: 22,
  TimeoutError: 23,
  InvalidNodeTypeError: 24,
  DataCloneError: 25,
};

const ERROR_CODES: Record<string, number> = {
  INDEX_SIZE_ERR: 1,
  DOMSTRING_SIZE_ERR: 2,
  HIERARCHY_REQUEST_ERR: 3,
  WRONG_DOCUMENT_ERR: 4,
  INVALID_CHARACTER_ERR: 5,
  NO_DATA_ALLOWED_ERR: 6,
  NO_MODIFICATION_ALLOWED_ERR: 7,
  NOT_FOUND_ERR: 8,
  NOT_SUPPORTED_ERR: 9,
  INUSE_ATTRIBUTE_ERR: 10,
  INVALID_STATE_ERR: 11,
  SYNTAX_ERR: 12,
  INVALID_MODIFICATION_ERR: 13,
  NAMESPACE_ERR: 14,
  INVALID_ACCESS_ERR: 15,
  VALIDATION_ERR: 16,
  TYPE_MISMATCH_ERR: 17,
  SECURITY_ERR: 18,
  NETWORK_ERR: 19,
  ABORT_ERR: 20,
  URL_MISMATCH_ERR: 21,
  QUOTA_EXCEEDED_ERR: 22,
  TIMEOUT_ERR: 23,
  INVALID_NODE_TYPE_ERR: 24,
  DATA_CLONE_ERR: 25,
};

export class DOMException extends Error {
  readonly #name: string;
  readonly #code: number;

  constructor(message?: string, name?: string) {
    super(message);

    if (typeof name === 'undefined') {
      this.#name = 'Error';
      this.#code = 0;
    } else {
      this.#name = String(name);
      this.#code = ERROR_NAME_TO_ERROR_CODE_MAP[this.name] ?? 0;
    }
  }

  override get name(): string {
    return this.#name;
  }

  get code(): number {
    return this.#code;
  }
}

for (const code in ERROR_CODES) {
  Object.defineProperty(DOMException, code, {
    enumerable: true,
    value: ERROR_CODES[code],
  });

  Object.defineProperty(DOMException.prototype, code, {
    enumerable: true,
    value: ERROR_CODES[code],
  });
}