Function showMessage

src/contexts/MessageProvider.tsx:21–26

(msg, sev = "info", dur = 6000)

  const [duration, setDuration] = useState(6000);

  const showMessage: MessageContextType = (msg, sev = "info", dur = 6000) => {
    setMessage(msg);
    setSeverity(sev);
    setDuration(dur);
    setOpen(true);
  };

  return (
    <MessageContext.Provider value={showMessage}>