'use strict';
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exports.type = 'perItemReverse';
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exports.active = true;
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exports.description = 'removes empty container elements';
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var container = require('./_collections').elemsGroups.container;
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/**
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* Remove empty containers.
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*
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* @see http://www.w3.org/TR/SVG/intro.html#TermContainerElement
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*
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* @example
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* <defs/>
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*
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* @example
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* <g><marker><a/></marker></g>
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*
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* @param {Object} item current iteration item
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* @return {Boolean} if false, item will be filtered out
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*
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* @author Kir Belevich
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*/
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exports.fn = function(item) {
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return !(item.isElem(container) && !item.isElem('svg') && item.isEmpty() &&
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(!item.isElem('pattern') || !item.hasAttrLocal('href')));
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};
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