Syméon Smith
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Syméon Smith
@symeon.dev
5 followers 51 following 7 posts
symeon.dev
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Inspecting the Active Element in Chrome Devtools —
symeon.dev/blog/inspect...
Inspecting the Active Element in Chrome Devtools — Syméon Smith
I recently picked up a nice trick to debug the active element in Chrome, in order to get better focus management.
symeon.dev
November 20, 2025 at 6:00 PM
Reposted by Syméon Smith
rich-harris.dev
A couple of weeks ago at @perfnow.nl I gave a talk called "Fine-grained everything". It's about @svelte.dev (obviously), and the new frontiers of framework-land, but it's also about some stubborn misconceptions in web performance circles

Gift link: conffab.com/presentation...
Fine-grained everything
<p>Modern frameworks like Svelte are fast thanks to signal‑based fine‑grained reactivity, but performance is more than 60fps. This talk covers new approaches to build fast, reliable, data‑efficient ap...
conffab.com
November 13, 2025 at 9:03 PM
Collecting Test Coverage in Playwright —
symeon.dev/blog/playwri...
Collecting Test Coverage in Playwright — Syméon Smith
Test coverage collection is a good tool to evaluate how much of your code is being tested. It can help you identify untested parts of your codebase and improve your test suite. I recently had to imple...
symeon.dev
May 31, 2025 at 10:05 AM
Find and Replace with Regex Groups in VS Code —
symeon.dev/blog/find-an...
Find and Replace with Regex Groups in VS Code — Syméon Smith
I sometimes need to search and replace across some code, but with parts of the search left untouched. Every time, I forget how to do it in VS Code.
symeon.dev
May 8, 2025 at 11:18 AM
Handling Complex React State with usePatchedState —
symeon.dev/blog/use-pat...
Handling Complex React State with usePatchedState — Syméon Smith
usePatchedState is a nice hook to simplify complex state management in React with TypeScript. Instead of many indivual, atomic useState calls, you define your initial state and then get a “patch” func...
symeon.dev
May 8, 2025 at 11:17 AM
Custom Prettier Options for Markdown Code Blocks —
symeon.dev/blog/prettie...
Custom Prettier Options for Markdown Code Blocks — Syméon Smith
A Prettier feature that I love is that it formats files, but also code blocks in Markdown files. I wanted to customize the maximum line length for the code in my articles, but not have the same option...
symeon.dev
May 3, 2025 at 1:58 PM
Propagating Errors with Redux Toolkit —
symeon.dev/blog/redux-t...
Propagating Errors with Redux Toolkit — Syméon Smith
I recently started migrating my company’s codebase to Redux Toolkit, after many years using bare Redux with manually (painfully) written action creators and reducers. After some time, I realized that ...
symeon.dev
May 2, 2025 at 3:37 PM