aaac7fed
 liuqimichale
add
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'use strict';
exports.type = 'perItem';
exports.active = true;
exports.description = 'removes elements in <defs> without id';
var nonRendering = require('./_collections').elemsGroups.nonRendering,
defs;
/**
* Removes content of defs and properties that aren't rendered directly without ids.
*
* @param {Object} item current iteration item
* @return {Boolean} if false, item will be filtered out
*
* @author Lev Solntsev
*/
exports.fn = function(item) {
if (item.isElem('defs')) {
defs = item;
item.content = (item.content || []).reduce(getUsefulItems, []);
if (item.isEmpty()) return false;
} else if (item.isElem(nonRendering) && !item.hasAttr('id')) {
return false;
}
};
function getUsefulItems(usefulItems, item) {
if (item.hasAttr('id') || item.isElem('style')) {
usefulItems.push(item);
item.parentNode = defs;
} else if (!item.isEmpty()) {
item.content.reduce(getUsefulItems, usefulItems);
}
return usefulItems;
}
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