82 lines
2.0 KiB
JavaScript
82 lines
2.0 KiB
JavaScript
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/**
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* Warning prototype
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*
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* Copyright (C) 2014 Free Software Foundation, Inc.
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*
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* This file is part of GNU ease.js.
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*
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* ease.js is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* Permits wrapping an exception as a warning
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*
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* Warnings are handled differently by the system, depending on the warning
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* level that has been set.
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*
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* @param {Error} e exception (error) to wrap
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*
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* @return {Warning} new warning instance
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*
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* @constructor
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*/
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function Warning( e )
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{
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// allow instantiation without use of 'new' keyword
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if ( !( this instanceof Warning ) )
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{
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return new Warning( e );
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}
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// ensure we're wrapping an exception
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if ( !( e instanceof Error ) )
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{
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throw TypeError( "Must provide exception to wrap" );
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}
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Error.prototype.constructor.call( this, e.message );
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// copy over the message for convenience
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this.message = e.message;
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this.name = 'Warning';
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this._error = e;
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this.stack = e.stack &&
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e.stack.replace( /^.*?\n+/,
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this.name + ': ' + this.message + "\n"
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);
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};
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// ensures the closest compatibility...just be careful not to modify Warning's
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// prototype
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Warning.prototype = Error();
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Warning.prototype.constructor = Warning;
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Warning.prototype.name = 'Warning';
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/**
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* Return the error wrapped by the warning
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*
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* @return {Error} wrapped error
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*/
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Warning.prototype.getError = function()
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{
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return this._error;
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};
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module.exports = Warning;
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