21 lines
409 B
JavaScript
21 lines
409 B
JavaScript
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'use strict';
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module.exports = function sort(fn) {
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var collection = [].concat(this.items);
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if (fn === undefined) {
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if (this.every(function (item) {
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return typeof item === 'number';
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})) {
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collection.sort(function (a, b) {
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return a - b;
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});
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} else {
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collection.sort();
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}
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} else {
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collection.sort(fn);
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}
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return new this.constructor(collection);
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};
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