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'use strict';
exports.type = 'perItem';
exports.active = true;
exports.params = {
svgo: {}
};
exports.description = 'minifies existing styles in svg';
var csso = require('csso');
/**
* Minifies styles (<style> element + style attribute) using svgo
*
* @param {Object} item current iteration item
* @return {Boolean} if false, item will be filtered out
*
* @author strarsis <strarsis@gmail.com>
*/
exports.fn = function(item, svgoOptions) {
if(item.elem) {
if(item.isElem('style') && !item.isEmpty()) {
var styleCss = item.content[0].text || item.content[0].cdata || [],
DATA = styleCss.indexOf('>') >= 0 || styleCss.indexOf('<') >= 0 ? 'cdata' : 'text';
if(styleCss.length > 0) {
var styleCssMinified = csso.minify(styleCss, svgoOptions);
item.content[0][DATA] = styleCssMinified.css;
}
}
if(item.hasAttr('style')) {
var itemCss = item.attr('style').value;
if(itemCss.length > 0) {
var itemCssMinified = csso.minifyBlock(itemCss, svgoOptions);
item.attr('style').value = itemCssMinified.css;
}
}
}
return item;
};
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