expo-modules-core/src/errors/CodedError.ts

The core of Expo Modules architecture

/**
 * A general error class that should be used for all errors in Expo modules.
 * Guarantees a `code` field that can be used to differentiate between different
 * types of errors without further subclassing Error.
 */
export class CodedError extends Error {
  code: string;
  info?: any;

  constructor(code: string, message: string) {
    super(message);
    this.code = code;
  }
}