52 lines
1.4 KiB
JavaScript
52 lines
1.4 KiB
JavaScript
// Copyright 2009 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* @fileoverview Provides a base class for custom Error objects such that the
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* stack is correctly maintained.
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*
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* You should never need to throw goog.debug.Error(msg) directly, Error(msg) is
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* sufficient.
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*
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*/
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goog.provide('goog.debug.Error');
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/**
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* Base class for custom error objects.
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* @param {*=} opt_msg The message associated with the error.
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* @constructor
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* @extends {Error}
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*/
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goog.debug.Error = function(opt_msg) {
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// Ensure there is a stack trace.
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if (Error.captureStackTrace) {
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Error.captureStackTrace(this, goog.debug.Error);
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} else {
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this.stack = new Error().stack || '';
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}
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if (opt_msg) {
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this.message = String(opt_msg);
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}
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};
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goog.inherits(goog.debug.Error, Error);
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/** @override */
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goog.debug.Error.prototype.name = 'CustomError';
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