21 lines
501 B
TypeScript
21 lines
501 B
TypeScript
'use strict';
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/**
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* Compare numerical primary keys represented as strings.
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* For example, '10' (as a string) is considered less than '9'
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* when sorted alphabetically. So compare string length first.
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*
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* - `0`: id1 == id2
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* - `1`: id1 > id2
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* - `-1`: id1 < id2
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*/
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export default function compareId(id1: string, id2: string) {
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if (id1 === id2) {
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return 0;
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}
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if (id1.length === id2.length) {
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return id1 > id2 ? 1 : -1;
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} else {
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return id1.length > id2.length ? 1 : -1;
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}
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}
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