chromium/third_party/google-closure-library/closure/goog/module/moduleloadfailuretype.js

/**
 * @license
 * Copyright The Closure Library Authors.
 * SPDX-License-Identifier: Apache-2.0
 */

/**
 * @fileoverview The possible reasons for a module load failure callback being
 * fired. Moved to a separate file to allow it to be used across packages.
 */

goog.module('goog.module.ModuleLoadFailureType');
goog.module.declareLegacyNamespace();

/**
 * The possible reasons for a module load failure callback being fired.
 * @enum {number}
 */
exports = {
  /** 401 Status. */
  UNAUTHORIZED: 0,

  /** Error status (not 401) returned multiple times. */
  CONSECUTIVE_FAILURES: 1,

  /** Request timeout. */
  TIMEOUT: 2,

  /** 410 status, old code gone. */
  OLD_CODE_GONE: 3,

  /** The onLoad callbacks failed. */
  INIT_ERROR: 4
};

/**
 * Gets a human readable error message for a FailureType.
 * @param {?goog.module.ModuleLoadFailureType} ft A failure type.
 * @return {string} The readable error message.
 */
exports.getReadableError = function(ft) {
  if (ft === null) {
    return 'No error type specified';
  }
  switch (ft) {
    case exports.UNAUTHORIZED:
      return 'Unauthorized';
    case exports.CONSECUTIVE_FAILURES:
      return 'Consecutive load failures';
    case exports.TIMEOUT:
      return 'Timed out';
    case exports.OLD_CODE_GONE:
      return 'Out of date module id';
    case exports.INIT_ERROR:
      return 'Init error';
    default:
      return `Unknown failure type ${ft}`;
  }
};