Contributing to the Future of the Steemit Wallet

For a long time, one of my main goals in the blockchain space has been helping strengthen and improve the STEEM ecosystem wherever possible. While exploring ongoing development around the Steemit wallet, I recently noticed something very interesting.

The official wallet team — including @ety001 and contributors from Steemit Inc — has been working on a newer version of the Steemit Wallet built on Next.js.

The original wallet currently in operation was built with React.js, but this new architecture moves toward a more modern SSR-friendly stack using Next.js.

Official repository:
Steemit Wallet Next Branch

After reviewing the codebase and architecture, I decided I wanted to contribute as well. So I forked the repository and started working on hydration stability, rendering consistency, and some optimization improvements.

My fork:
My Fork of the Wallet Repo

Recently, my Pull Request #272 was successfully merged into the official repository.

PR Link:
PR #272

What Was Fixed?

The main focus of this PR was improving hydration safety, SSR consistency, theme synchronization, and long-term React stability.

1. Hydration Mismatch Fixes

One of the biggest issues in SSR applications is hydration mismatch — where the server renders one UI tree while the browser renders another.

In the Header component, I replaced:

useSyncExternalStore

with:

useState + useEffect

This ensures the remembered username is always null during the initial render, matching what the server produces. The actual username is then loaded after hydration.

The same deferred hydration pattern was also applied to useTheme.

Previously, the hook was reading localStorage directly inside the useState initializer — something the server can never access. This caused React to render different trees between server and client.

Now:

• Server render stays deterministic
• Client hydration stays clean
• Hydration warnings are avoided

2. Cross-Tab Theme Synchronization

I also implemented cross-tab theme syncing using:

window.addEventListener('storage', ...)

Now when the theme changes in one tab:

• _theme updates automatically in other tabs
• _notify() triggers subscriber re-renders
• Theme consistency stays synchronized everywhere

3. Preventing Set Mutation Issues

Previously, listeners were iterated directly using Set.forEach().

That can become unsafe if listeners unsubscribe while iteration is happening.

To prevent mutation issues during iteration:

• all listener notifications now pass through _notify()
• _notify() snapshots listeners using:

Array.from(_listeners)

before iterating.

This makes the event system safer and more predictable.

4. Stable cycleTheme Callback

Another optimization involved improving callback stability.

Previously:

cycleTheme

depended on theme, meaning React recreated the callback every theme change.

Now it reads directly from the module-level _theme store instead.

Result:

• stable callback reference
• fewer unnecessary re-renders
• safer future memoization support

5. Preventing FOUC While Keeping Safety Nets

There were also duplicated classList operations related to theme handling.

Instead of removing one entirely, both were intentionally preserved with proper comments explaining their roles:

• changeTheme() applies updates synchronously to prevent FOUC (Flash of Unstyled Content)
• useLayoutEffect() acts as a safety net during hydration and cross-tab sync events

This keeps UI transitions smooth while maintaining consistency.

Why This Matters

Small infrastructure-level improvements often go unnoticed by end users, but they matter a lot for long-term platform stability.

As Steemit continues modernizing its frontend stack, ensuring:

• stable SSR rendering
• hydration correctness
• optimized React behavior
• predictable state synchronization

becomes increasingly important.

I’m happy I could contribute something meaningful to the ecosystem, and I hope to continue helping improve STEEM infrastructure wherever possible.

Big thanks to @ety001 and everyone contributing to the modernization of the Steemit platform.

The future of the STEEM ecosystem depends heavily on continuous development, optimization, and community contribution — and it’s great to see that progress actively happening.

If you think my contributions matter and you want to support further development for the STEEM ecosystem, please consider voting for my witness: blaze.apps

🗳️ Vote Here:
Vote for blaze.apps Witness

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