What patterns are you talking about? Nothing specific to React, as far as I know, helps with maintaining a large codebase.
Though, perhaps you mean the larger React ecosystem. But still, what patterns are you talking about? TEA/Redux? There's no reason why you can't use the same patterns with Svelte.
Though, perhaps you mean the larger React ecosystem. But still, what patterns are you talking about? TEA/Redux? There's no reason why you can't use the same patterns with Svelte.