Initial commit: Tapalka monorepo (bot, front, strapi)

CMyTapper/robucks-front/utils/UpdateFriendAndReferralCount.ts

@@ -0,0 +1,17 @@
+function declension(num: number, words: string[]): string {
+    const cases = [2, 0, 1, 1, 1, 2];
+    return words[num % 100 > 4 && num % 100 < 20 ? 2 : cases[num % 10 < 5 ? num % 10 : 5]];
+}
+
+export function updateFriendAndReferralCounts(
+    referralsLength: number,
+    referralsCount: number,
+): { friendsWord: string; referralWord: string } {
+    const friendWord = declension(referralsLength, ['Друг', 'Друга', 'Друзей']);
+    const referralWord = declension(referralsCount, ['Реферал', 'Реферала', 'Рефералов']);
+
+    return {
+        friendsWord: `${referralsLength} ${friendWord}`,
+        referralWord: `${referralsCount} ${referralWord}`,
+    };
+}