import “../arrays/ascending”; import “selection”;
d3_selectionPrototype.sort = function(comparator) {
comparator = d3_selection_sortComparator.apply(this, arguments); for (var j = -1, m = this.length; ++j < m;) this[j].sort(comparator); return this.order();
};
function d3_selection_sortComparator(comparator) {
if (!arguments.length) comparator = d3.ascending; return function(a, b) { return (!a - !b) || comparator(a.__data__, b.__data__); };
}