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https://github.com/morluto/rea
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morluto
15 lines
623 B
TypeScript
15 lines
623 B
TypeScript
/** Compare strings lexicographically by Unicode code point, independent of locale. */
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export const compareUnicodeCodePoints = (
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left: string,
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right: string,
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): number => {
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const leftPoints = [...left].map((value) => value.codePointAt(0) ?? 0);
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const rightPoints = [...right].map((value) => value.codePointAt(0) ?? 0);
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const length = Math.min(leftPoints.length, rightPoints.length);
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for (let index = 0; index < length; index += 1) {
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const difference = (leftPoints[index] ?? 0) - (rightPoints[index] ?? 0);
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if (difference !== 0) return difference;
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}
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return leftPoints.length - rightPoints.length;
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};
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