Resolve "Finish handling of internationalization in vuejs: handling translation of "translatable string""

src/Bundle/ChillMainBundle/Resources/public/lib/localizationHelper/localizationHelper.ts

@@ -0,0 +1,41 @@
+import { TranslatableString } from "ChillMainAssets/types";
+
+/**
+ * Localizes a translatable string object based on the current locale.
+ * A fallback logic is implemented in case no translation is available for the current locale.
+ *
+ * @param translatableString Object containing translations for different locales
+ * @param locale defaults to browser locale
+ * @returns The localized string or null if no translation is available
+ */
+export function localizeString(
+    translatableString: TranslatableString | null | undefined,
+    locale?: string,
+): string {
+    if (!translatableString || Object.keys(translatableString).length === 0) {
+        return "";
+    }
+
+    const currentLocale = locale || navigator.language.split("-")[0] || "fr";
+
+    if (translatableString[currentLocale]) {
+        return translatableString[currentLocale];
+    }
+
+    // Define fallback locales
+    const fallbackLocales: string[] = ["fr", "en"];
+
+    for (const fallbackLocale of fallbackLocales) {
+        if (translatableString[fallbackLocale]) {
+            return translatableString[fallbackLocale];
+        }
+    }
+
+    // No fallback translation found, use the first available
+    const availableLocales = Object.keys(translatableString);
+    if (availableLocales.length > 0) {
+        return translatableString[availableLocales[0]];
+    }
+
+    return "";
+}