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/* Authors:
* Petr Vobornik <pvoborni@redhat.com>
*
* Copyright (C) 2012 Red Hat
* see file 'COPYING' for use and warranty information
*
* This program 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/>.
*/
define(['dojo/_base/declare',
'dojo/_base/array',
'dojo/_base/lang'
], function(declare, array, lang) {
var construct = {
/**
* Helper modules
*/
/**
* Checks if supplied object is a construtor function.
* It can recognize only classes declared by ''dojo/_base/declare''.
*/
is_ctor: function(obj) {
// TODO: Find better method. Check by extend might not be very
// reliable.
return typeof obj === 'function' && typeof obj.extend === 'function';
},
/**
* Creates copy of construction specification
*
* It makes sure that pre_ops, post_ops and spec are new Arrays/Object
*/
copy_cs: function(org_cs) {
var cs = lang.mixin({}, org_cs);
if (cs.spec) cs.spec = lang.mixin({}, cs.spec);
cs.pre_ops = cs.pre_ops.slice(0);
cs.post_ops = cs.pre_ops.slice(0);
return cs;
},
no_cs_for_type_error: function(type) {
return {
error: 'No construction specification for given type',
type: type
};
}
};
return construct;
});
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