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easejs/lib/FallbackMemberBuilder.js

62 lines
1.8 KiB
JavaScript

/**
* Handles building members (properties, methods) in a pre-ES5 environment
*
* Copyright (C) 2011, 2013, 2014 Free Software Foundation, Inc.
*
* This file is part of GNU ease.js.
*
* ease.js is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Supertype
*/
var MemberBuilder = require( './MemberBuilder' );
/**
* Responsible for building class members
*/
module.exports = exports = function FallbackMemberBuilder(
wrap_method, wrap_override
)
{
// permit omitting 'new' keyword
if ( !( this instanceof module.exports ) )
{
return new module.exports( wrap_method, wrap_override );
}
// invoke parent constructor
module.exports.prototype.constructor.call( this,
wrap_method, wrap_override
);
};
// inherit from MemberBuilder
module.exports.prototype = new MemberBuilder();
module.exports.constructor = module.exports;
/**
* Getters/setters are unsupported in a pre-ES5 environment
*
* Simply throw an exception, as it clearly represents that the developer did
* not account for the possibility that their software may have been executed in
* a pre-ES5 environment.
*/
exports.prototype.buildGetterSetter = function()
{
throw Error( 'Getters/setters are unsupported in this environment' );
};