ve.ui.MWUseExistingReferenceCommand.js
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ve.ui.MWUseExistingReferenceCommand.js
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	'use strict';

	/*!
	* VisualEditor UserInterface MediaWiki UseExistingReferenceCommand class.
	*
	* @copyright 2011-2018 VisualEditor Team's Cite sub-team and others; see AUTHORS.txt
	* @license MIT
	*/

	/**
	* Reuse existing reference command.
	*
	* @constructor
	* @extends ve.ui.Command
	*/
	ve.ui.MWUseExistingReferenceCommand = function VeUiMWUseExistingReferenceCommand() {
	// Parent constructor
	ve.ui.MWUseExistingReferenceCommand.super.call(
	this, 'reference/existing', 'window', 'open',
	{ args: [ 'reference', { reuseReference: true } ], supportedSelections: [ 'linear' ] }
	);
	};

	/* Inheritance */

	OO.inheritClass( ve.ui.MWUseExistingReferenceCommand, ve.ui.Command );

	/* Methods */

	/**
	* @override
	*/
	ve.ui.MWUseExistingReferenceCommand.prototype.isExecutable = function ( fragment ) {
	return ve.ui.MWUseExistingReferenceCommand.super.prototype.isExecutable.apply( this, arguments ) &&
	fragment.getDocument().getInternalList().getItemNodeCount() > 0;
	};

	module.exports = ve.ui.MWUseExistingReferenceCommand;