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'; exports.type = 'perItem'; exports.active = true; exports.description = 'Sorts children of to improve compression'; /** * Sorts children of defs in order to improve compression. * Sorted first by frequency then by element name length then by element name (to ensure grouping). * * @param {Object} item current iteration item * @return {Boolean} if false, item will be filtered out * * @author David Leston */ exports.fn = function (item) { if (item.isElem('defs')) { var frequency = item.children.reduce(function (frequency, child) { if (child.name in frequency) { frequency[child.name]++; } else { frequency[child.name] = 1; } return frequency; }, {}); item.children.sort(function (a, b) { var frequencyComparison = frequency[b.name] - frequency[a.name]; if (frequencyComparison !== 0) { return frequencyComparison; } var lengthComparison = b.name.length - a.name.length; if (lengthComparison !== 0) { return lengthComparison; } return a.name != b.name ? (a.name > b.name ? -1 : 1) : 0; }); return true; } };