extract core; add vanilla support

[emaia]

This PR extracts core functionalities, separete React and add a vanilla implementation. No breaking changes expected. I can also work to add docs and vanilla tests if this can be under consideration.

Nothing changes for react use.

Vanilla example:

import { createToaster, toast } from 'sonner/vanilla';

const toaster = createToaster({
  position: 'bottom-right',
  theme: 'system',
  richColors: true,
  closeButton: true,
  expand: false,
  duration: 4000,
  gap: 14,
  visibleToasts: 3,
});

// Use toasts
toast('Hello World!');
toast.success('Operation successful!');
toast.error('Something went wrong!');
toast.info('Did you know?');
toast.warning('Be careful!');
toast.loading('Loading...');

[vercel]

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Project	Deployment	Preview	Comments	Updated (UTC)
sonner	Ready	Preview	Comment	Dec 2, 2025 3:07pm