'use strict';
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exports.type = 'perItem';
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exports.active = true;
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exports.description = 'moves some group attributes to the content elements';
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var collections = require('./_collections.js'),
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pathElems = collections.pathElems.concat(['g', 'text']),
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referencesProps = collections.referencesProps;
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/**
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* Move group attrs to the content elements.
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*
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* @example
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* <g transform="scale(2)">
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* <path transform="rotate(45)" d="M0,0 L10,20"/>
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* <path transform="translate(10, 20)" d="M0,10 L20,30"/>
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* </g>
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* ⬇
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* <g>
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* <path transform="scale(2) rotate(45)" d="M0,0 L10,20"/>
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* <path transform="scale(2) translate(10, 20)" d="M0,10 L20,30"/>
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* </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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// move group transform attr to content's pathElems
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if (
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item.isElem('g') &&
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item.hasAttr('transform') &&
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!item.isEmpty() &&
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!item.someAttr(function(attr) {
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return ~referencesProps.indexOf(attr.name) && ~attr.value.indexOf('url(');
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}) &&
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item.content.every(function(inner) {
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return inner.isElem(pathElems) && !inner.hasAttr('id');
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})
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) {
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item.content.forEach(function(inner) {
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var attr = item.attr('transform');
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if (inner.hasAttr('transform')) {
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inner.attr('transform').value = attr.value + ' ' + inner.attr('transform').value;
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} else {
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inner.addAttr({
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'name': attr.name,
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'local': attr.local,
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'prefix': attr.prefix,
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'value': attr.value
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});
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}
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});
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item.removeAttr('transform');
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}
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};
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