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/**
* @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.ModuleLoadFailure');
goog.module.declareLegacyNamespace();
class ModuleLoadFailure {
/**
* @param {!ModuleLoadFailure.Type} type
* @param {number=} status Optional http error status associated with this
* failure. This should be `undefined` if there was no associated http
* error status (i.e. do not use values like -1).
*/
constructor(type, status = undefined) {
/** @const {!ModuleLoadFailure.Type} */
this.type = type;
/** @const {number|undefined} */
this.status = status;
}
/**
* @return {string}
* @override
*/
toString() {
return `${this.getReadableError_()} (${
this.status != undefined ? this.status : '?'})`;
}
/**
* Gets a human readable error message for a failure type.
* @return {string} The readable error message.
* @private
*/
getReadableError_() {
switch (this.type) {
case ModuleLoadFailure.Type.UNAUTHORIZED:
return 'Unauthorized';
case ModuleLoadFailure.Type.CONSECUTIVE_FAILURES:
return 'Consecutive load failures';
case ModuleLoadFailure.Type.TIMEOUT:
return 'Timed out';
case ModuleLoadFailure.Type.OLD_CODE_GONE:
return 'Out of date module id';
case ModuleLoadFailure.Type.INIT_ERROR:
return 'Init error';
default:
return `Unknown failure type ${this.type}`;
}
}
}
/**
* The possible reasons for a module load failure callback being fired.
* @enum {number}
*/
const Type = {
/** 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
};
exports = ModuleLoadFailure;
exports.Type = Type;
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