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53 lines
1.1 KiB
53 lines
1.1 KiB
'use strict';
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exports.type = 'perItem';
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exports.active = true;
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exports.description = 'removes elements in <defs> without id';
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var nonRendering = require('./_collections').elemsGroups.nonRendering;
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/**
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* Removes content of defs and properties that aren't rendered directly without ids.
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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 Lev Solntsev
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*/
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exports.fn = function(item) {
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if (item.isElem('defs')) {
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if (item.content) {
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item.content = getUsefulItems(item, []);
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}
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if (item.isEmpty()) return false;
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} else if (item.isElem(nonRendering) && !item.hasAttr('id')) {
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return false;
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}
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};
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function getUsefulItems(item, usefulItems) {
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item.content.forEach(function(child) {
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if (child.hasAttr('id') || child.isElem('style')) {
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usefulItems.push(child);
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child.parentNode = item;
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} else if (!child.isEmpty()) {
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child.content = getUsefulItems(child, usefulItems);
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}
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});
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return usefulItems;
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}
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