Scott and Wes break down how they built SynHax, the real-time CSS Battle app powering the upcoming Mad CSS tournament. From SvelteKit and Zero to diffing algorithms, sync conflicts, and a last-minute hackweek glow-up, this one’s a deep dive into shipping ambitious web apps fast.

Show Notes

00:00 Welcome to Syntax!
00:50 March Mad CSS Tournament.
03:19 Brought to you by Sentry.io.
03:59 What the heck is a CSS Battle?
05:34 The tech stack.
- 06:30 Svelte Kit.
- 06:44 Zero Sync.
  - Zero Docs
  - Zero Svelte.
- 07:32 Drizzle.
- 07:58 Supabase.
- 08:23 Graffiti.
- 10:45 Sync Server.
- 12:10 Cloudflare Workers.
- 12:23 Local File System.
13:26 How Zero Works.
- 13:48 Zero Sync Client.
- 15:39 API server.
19:34 Dealing with states and conflicts.
24:25 The Hackweek Project.
25:29 The Diffing Algorithm.
35:22 The bugs.

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