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690 BJavaScriptView Raw
1'use strict';
2
3exports.type = 'perItemReverse';
4
5exports.active = true;
6
7exports.description = 'removes empty container elements';
8
9var container = require('./_collections').elemsGroups.container;
10
11/**
12 * Remove empty containers.
13 *
14 * @see http://www.w3.org/TR/SVG/intro.html#TermContainerElement
15 *
16 * @example
17 * <defs/>
18 *
19 * @example
20 * <g><marker><a/></marker></g>
21 *
22 * @param {Object} item current iteration item
23 * @return {Boolean} if false, item will be filtered out
24 *
25 * @author Kir Belevich
26 */
27exports.fn = function(item) {
28
29 return !(item.isElem(container) && !item.isElem('svg') && item.isEmpty() &&
30 (!item.isElem('pattern') || !item.hasAttrLocal('href')));
31
32};