Thapa Technical

May Bappa remove every obstacle and inspire you to learn, grow, and follow your dreams. 🙏✨

3 days ago | [YT] | 158

Thapa Technical

🚀 Vitest 5 is officially OUT! — September 3, 2026

Vitest just got a major update, with a huge focus on performance and developer experience. ⚡

Here are the biggest changes:

⚡ Faster tests — large projects can run around 15–25% faster, with dependency-heavy projects seeing even bigger improvements.

💾 Smarter caching — transformed files can be reused across reruns, helping tests start and run faster.

🔍 New Trace View — when a browser test fails, you can replay what happened step-by-step: clicks, assertions, DOM state and more.

🎭 New vi.when() — easily return different mocked values depending on the arguments passed.

🧹 clearMocks is now ON by default — mock call history is automatically cleared between tests.

🔁 New --repeats option — run tests multiple times to help catch flaky tests.

📊 Better reports & benchmarks — improved HTML reports, cleaner output, and benchmarks now work more naturally with regular tests.

⚠️ Before you upgrade

Vitest 5 requires:

→ Node.js 22.12+
→ Vite 6.4+

Also, forgetting to await resolves / rejects will now FAIL the test instead of only showing a warning.

So if you already have a Vitest project, don’t upgrade blindly — check the migration guide first.

🔗 Full update: vitest.dev/blog/vitest-5

Which Vitest 5 feature are you most excited to try? 👀

#Vitest #Vitest5 #JavaScript #TypeScript #Testing #WebDevelopment #FrontendDevelopment #Vite #Programming #Coding #ThapaTechnical

1 week ago | [YT] | 31

Thapa Technical

⚡ What is useOptimistic() in React 19?

useOptimistic() lets you update the UI instantly before the API response comes back.

Example 👇

A user has:

120 Followers
[ Follow ]

When you click Follow, instead of waiting for the API:

120 → 121 Followers instantly ⚡
Follow → Following

Meanwhile, the API request continues in the background.

✅ If the API succeeds → keep 121
❌ If the API fails → go back to 120

So the flow becomes:

Click → UI updates instantly → API runs → Confirm/Revert

That’s called an Optimistic UI Update.

Perfect for:
❤️ Likes
👤 Follow/Unfollow
💬 Comments
🛒 Cart updates
📩 Messages

2 weeks ago | [YT] | 56

Thapa Technical

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3 weeks ago | [YT] | 18

Thapa Technical

React 19 makes Promise handling much easier to understand with use() + Suspense 🚀

Here’s the simple flow:

👉 fetch() returns a Promise
👉 use(promise) reads that Promise
👉 If the Promise is still pending, use() suspends the component
👉 <Suspense> shows the loading UI / fallback
👉 When the Promise resolves, use() returns the data
👉 React then shows the actual UI

Remember this difference 👇

lazy() + Suspense
📦 Waiting for the component code to load

use() + Suspense
🌐 Waiting for the Promise/data to resolve

And in both cases:

Suspense is responsible for showing the fallback/loading UI.

Simple mental model:

fetch() → Promise → use() → Suspend → Suspense fallback → Promise resolves → Real UI ✅

This image will help you remember the complete flow visually. Save it for revision! 🔥

#ReactJS #React19 #ReactSuspense #ReactUseAPI #ReactUse #JavaScript #WebDevelopment #FrontendDevelopment #ReactTutorial #ReactJSTutorial #ReactDeveloper #LazyLoading #Promises #AsyncJavaScript #FullStackDevelopment #MERNStack #Coding #Programming #ThapaTechnical #Kodyfier

3 weeks ago | [YT] | 24

Thapa Technical

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3 weeks ago | [YT] | 28

Thapa Technical

Just watched this video from my bhai ❤️
This trek wasn’t just about reaching the village… it was about the memories, the laughs, and the moments we’ll never forget.

Proud of you for capturing it so beautifully 🙌

Go watch it guys and show some love 💯
👉 Drop a ❤️ if you’ve ever done a trek like this
👉 And comment your dream village/travel destination 🌄

4 months ago | [YT] | 9

Thapa Technical

Happy Nepali New Year 2083 💻🇳🇵
More coding, more learning, more building. Let’s level up 🚀🔥

5 months ago | [YT] | 377

Thapa Technical

AI is no longer a side tool in web development — it’s becoming part of the workflow itself. Developers are using tools like GitHub Copilot, Cursor, Tabnine, Gemini Code Assist, Amazon Q Developer, Replit Ghostwriter, and Vercel v0 to write code faster, improve UX, and speed up testing. 2026 is clearly shaping up to be the year of AI-first development. #WebDevelopment #AI #FrontendDev #JavaScript #WebDev2026

5 months ago | [YT] | 80

Thapa Technical

I’ll be away for a few days, so there won’t be any new videos for a short while.
In the meantime, feel free to explore my previous videos and keep practicing — I truly appreciate your support 😊

5 months ago | [YT] | 71