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40 lines
980 B
JavaScript
40 lines
980 B
JavaScript
'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/SVG11/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 (
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item.isElem(container) === false ||
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item.isEmpty() === false ||
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item.isElem('svg') ||
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(item.isElem('pattern') && item.hasAttrLocal('href')) ||
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// The 'g' may not have content, but the filter may cause a rectangle
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// to be created and filled with pattern.
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(item.isElem('g') && item.hasAttr('filter')) ||
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// empty <mask> hides masked element
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(item.isElem('mask') && item.hasAttr('id'))
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);
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};
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