892a62f4e5
To be followed by tests and `npm run build`, obviously! Reviewed-on: #1 Co-authored-by: Jack Jackson <scubbojj@gmail.com> Co-committed-by: Jack Jackson <scubbojj@gmail.com>
24 lines
410 B
JavaScript
24 lines
410 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 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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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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