npm install toastrr

import { Toaster } from 'toastrr';

export default function App() {
    return (
        <div>
            <Toaster 
                position="top-right"
                theme="light"
                duration={3000}
                closeButton={true}
            />
            <MyComponent />
            <MyComponent2 />
        </div>
    )
}

import { toast } from 'toastrr';

function showToast() {
    toast.success('This is a success toast', {
        theme: 'dark',
        duration: 'infinite',
        closeButton: true
    });
}