PNG  IHDR;IDATxܻn0K )(pA 7LeG{ §㻢|ذaÆ 6lذaÆ 6lذaÆ 6lom$^yذag5bÆ 6lذaÆ 6lذa{ 6lذaÆ `}HFkm,mӪôô! x|'ܢ˟;E:9&ᶒ}{v]n&6 h_tڠ͵-ҫZ;Z$.Pkž)!o>}leQfJTu іچ\X=8Rن4`Vwl>nG^is"ms$ui?wbs[m6K4O.4%/bC%t Mז -lG6mrz2s%9s@-k9=)kB5\+͂Zsٲ Rn~GRC wIcIn7jJhۛNCS|j08yiHKֶۛkɈ+;SzL/F*\Ԕ#"5m2[S=gnaPeғL lذaÆ 6l^ḵaÆ 6lذaÆ 6lذa; _ذaÆ 6lذaÆ 6lذaÆ RIENDB` 'use strict'; const { traverse } = require('../lib/xast.js'); const { parseName } = require('../lib/svgo/tools.js'); exports.type = 'full'; exports.active = true; exports.description = 'removes unused namespaces declaration'; /** * Remove unused namespaces declaration. * * @param {Object} item current iteration item * @return {Boolean} if false, item will be filtered out * * @author Kir Belevich */ exports.fn = function (root) { let svgElem; const xmlnsCollection = []; /** * Remove namespace from collection. * * @param {String} ns namescape name */ function removeNSfromCollection(ns) { const pos = xmlnsCollection.indexOf(ns); // if found - remove ns from the namespaces collection if (pos > -1) { xmlnsCollection.splice(pos, 1); } } traverse(root, (node) => { if (node.type === 'element') { if (node.name === 'svg') { for (const name of Object.keys(node.attributes)) { const { prefix, local } = parseName(name); // collect namespaces if (prefix === 'xmlns' && local) { xmlnsCollection.push(local); } } // if svg element has ns-attr if (xmlnsCollection.length) { // save svg element svgElem = node; } } if (xmlnsCollection.length) { const { prefix } = parseName(node.name); // check node for the ns-attrs if (prefix) { removeNSfromCollection(prefix); } // check each attr for the ns-attrs for (const name of Object.keys(node.attributes)) { const { prefix } = parseName(name); removeNSfromCollection(prefix); } } } }); // remove svg element ns-attributes if they are not used even once if (xmlnsCollection.length) { for (const name of xmlnsCollection) { delete svgElem.attributes['xmlns:' + name]; } } return root; };