26 lines
425 B
JavaScript
26 lines
425 B
JavaScript
const numeric = /^[0-9]+$/;
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const compareIdentifiers = (a, b) => {
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const anum = numeric.test(a);
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const bnum = numeric.test(b);
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if (anum && bnum) {
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a = +a;
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b = +b;
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}
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return (
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a === b ? 0
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: anum && !bnum ? -1
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: bnum && !anum ? 1
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: a < b ? -1
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: 1
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);
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};
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const rcompareIdentifiers = (a, b) => compareIdentifiers(b, a);
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module.exports = {
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compareIdentifiers,
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rcompareIdentifiers,
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};
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