Merge remote-tracking branch 'origin/main' into router-implementation

src/plugins/i18n.js

@@ -4,6 +4,14 @@ import VueI18n from 'vue-i18n'
 // Languages
 import it from '@/lang/it'
 import en from '@/lang/en'
+import es from '@/lang/es'
+import de from '@/lang/de'
+import fr from '@/lang/fr'
+import id from '@/lang/id'
+import pt from '@/lang/pt-pt'
+import ptBr from '@/lang/pt-br'
+import ru from '@/lang/ru'
+import tr from '@/lang/tr'
 
 Vue.use(VueI18n)
 
@@ -13,13 +21,49 @@ document.querySelector('html').setAttribute('lang', DEFAULT_LANG)
 
 const locales = {
 	it,
-	en
+	en,
+	es,
+	de,
+	fr,
+	id,
+	pt,
+	ptBr,
+	ru,
+	tr
 }
 
 const i18n = new VueI18n({
 	locale: DEFAULT_LANG,
 	fallbackLocale: DEFAULT_LANG,
-	messages: locales
+	messages: locales,
+	pluralizationRules: {
+		/**
+		 * @param choice {number} a choice index given by the input to $tc: `$tc('path.to.rule', choiceIndex)`
+		 * @param choicesLength {number} an overall amount of available choices
+		 * @returns a final choice index to select plural word by
+		 */
+		ru: function(choice, choicesLength) {
+			if (choice === 0) {
+				return 0
+			}
+			var n = Math.abs(choice) % 100
+			var n1 = n % 10
+
+			if (n > 10 && n < 20) {
+				return 3
+			}
+
+			if (n1 > 1 && n1 < 5) {
+				return 2
+			}
+
+			if (n1 == 1) {
+				return 1
+			}
+
+			return 3
+		}
+	}
 })
 
 export default i18n