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Last change
on this file since a762898 was e4c61dd, checked in by istevanoska <ilinastevanoska@…>, 6 months ago |
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Prototype 1.1
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-
Property mode
set to
100644
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File size:
684 bytes
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| 1 | import {Selection} from "./index.js";
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| 2 |
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| 3 | export default function(compare) {
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| 4 | if (!compare) compare = ascending;
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| 5 |
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| 6 | function compareNode(a, b) {
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| 7 | return a && b ? compare(a.__data__, b.__data__) : !a - !b;
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| 8 | }
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| 9 |
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| 10 | for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) {
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| 11 | for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) {
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| 12 | if (node = group[i]) {
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| 13 | sortgroup[i] = node;
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| 14 | }
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| 15 | }
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| 16 | sortgroup.sort(compareNode);
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| 17 | }
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| 18 |
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| 19 | return new Selection(sortgroups, this._parents).order();
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| 20 | }
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| 21 |
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| 22 | function ascending(a, b) {
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| 23 | return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
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| 24 | }
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