svgo-browser/plugins/removeEmptyText.js

svgo tool for browser and node usage

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;
};