// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import type {LocalizedString} from './UIString.js';

/**
 * Represents an error that might become visible to the user. Where errors
 * might be surfaced to the user (such as by displaying the message to the
 * console), this class should be used to enforce that the message is
 * localized on the way in.
 */
export class UserVisibleError extends Error {
  override readonly message: LocalizedString;

  constructor(message: LocalizedString) {
    super(message);
    this.message = message;
  }
}

export function isUserVisibleError(error: unknown): error is UserVisibleError {
  if (typeof error === 'object' && error !== null) {
    return error instanceof UserVisibleError;
  }

  return false;
}