Localization framework

frontend/src/Utilities/String/translate.js

@@ -0,0 +1,34 @@
+import $ from 'jquery';
+
+function getTranslations() {
+  let localization = null;
+  const ajaxOptions = {
+    async: false,
+    type: 'GET',
+    global: false,
+    dataType: 'json',
+    url: `${window.Readarr.apiRoot}/localization`,
+    success: function(data) {
+      localization = data.Strings;
+    }
+  };
+
+  ajaxOptions.headers = ajaxOptions.headers || {};
+  ajaxOptions.headers['X-Api-Key'] = window.Readarr.apiKey;
+
+  $.ajax(ajaxOptions);
+  return localization;
+}
+
+const translations = getTranslations();
+
+export default function translate(key, args = '') {
+  if (args) {
+    const translatedKey = translate(key);
+    return translatedKey.replace(/\{(\d+)\}/g, (match, index) => {
+      return args[index];
+    });
+  }
+
+  return translations[key] || key;
+}