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'use strict';
exports.type = 'perItem';
exports.active = true;
exports.description = 'removes empty <text> elements';
exports.params = {
text: true,
tspan: true,
tref: true
};
/**
* Remove empty Text elements.
*
* @see http://www.w3.org/TR/SVG/text.html
*
* @example
* Remove empty text element:
* <text/>
*
* Remove empty tspan element:
* <tspan/>
*
* Remove tref with empty xlink:href attribute:
* <tref xlink:href=""/>
*
* @param {Object} item current iteration item
* @param {Object} params plugin params
* @return {Boolean} if false, item will be filtered out
*
* @author Kir Belevich
*/
exports.fn = function(item, params) {
// Remove empty text element
if (
params.text &&
item.isElem('text') &&
item.isEmpty()
) return false;
// Remove empty tspan element
if (
params.tspan &&
item.isElem('tspan') &&
item.isEmpty()
) return false;
// Remove tref with empty xlink:href attribute
if (
params.tref &&
item.isElem('tref') &&
!item.hasAttrLocal('href')
) return false;
};