Cleaner React Logic: Refactoring My Waitlist Submission Flow

This article is a continuation of the article I wrote on the RLS policy issue I solved with Supabase. After I had fixed the RLS policy issue, I discovered that the way I structured my code was wrong. Semantically, it looked sort of correct but it was logically wrong. Here's a live preview of the project so you get what I mean. When a user clicks the "Join early access" button, a function called subscribeEmail() is fired. This initially didn't look like a problem as I only considered the fact t...