Split authentication & newsletter subscription

src/scripts/api.js

@@ -49,10 +49,13 @@ export default class Api {
 		}
 
 		const oResponse = await oRequest.json();
+		oResponse.descKey = this.lang.getLangKey(oResponse.desc);
 		oResponse.desc = this.lang.parse(oResponse.desc);
 
 		if(oResponse.result == this.errorCode) {
-			throw oResponse.desc;
+			const oError = new Error(oResponse.desc);
+			oError.descKey = oResponse.descKey;
+			throw oError;
 		}
 
 		return oResponse;