@plteam/chat-ui/dist/utils/stringUtils/getDeclension.js

CUI Kit is a free and open-source library for creating AI assistant chat interfaces, built with React, Material UI, and TypeScript

import { lng } from '../lng';
export const getDeclension = (int, nouns, insertNumFirst) => {
    const [one, two, five] = nouns;
    let n = Math.abs(int);
    n %= 100;
    let res;
    if (n >= 5 && n <= 20) {
        res = five;
    }
    n %= 10;
    if (!res && n === 1) {
        res = one;
    }
    if (!res && n >= 2 && n <= 4) {
        res = two;
    }
    if (!res)
        res = five;
    return insertNumFirst ? `${int} ${res}` : res;
};
export const getLangDeclension = (int, langArray, replaceKey) => {
    return lng([
        getDeclension(int, langArray[0]),
        getDeclension(int, langArray[1])
    ], replaceKey ? {
        [replaceKey]: int,
    } : undefined);
};
export const getDaysText = (daysCount) => {
    return lng([
        getDeclension(daysCount, [`${daysCount} день`, `${daysCount} дня`, `${daysCount} дней`]),
        getDeclension(daysCount, [`${daysCount} day`, `${daysCount} days`, `${daysCount} days`])
    ]);
};