9 lines
261 B
TypeScript
9 lines
261 B
TypeScript
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export function declension(number: number, titles: [string, string, string]): string {
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const cases = [2, 0, 1, 1, 1, 2];
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const idx = number % 100 > 4 && number % 100 < 20
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? 2
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: cases[Math.min(number % 10, 5)];
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return titles[idx];
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}
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