<![CDATA[Stories by Kevin - MERN Stack Developer on Medium]]> https://medium.com/@mernstackdevbykevin?source=rss-c1b7196ed51c------2 https://cdn-images-1.medium.com/fit/c/150/150/1*aUGBohBB1VAnsoGAdjEZoQ.png Stories by Kevin - MERN Stack Developer on Medium https://medium.com/@mernstackdevbykevin?source=rss-c1b7196ed51c------2 Medium Fri, 13 Nov 2026 21:13:00 GMT <![CDATA[React Query With MERN Stack — Why I Stopped Using useEffect For Fetching Data]]>

A practical guide to managing server state more efficiently in Full-Stack JavaScript applications.

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]]> https://medium.com/@mernstackdevbykevin/react-query-with-mern-stack-why-i-stopped-using-useeffect-for-fetching-data-10ed692fb34c?source=rss-c1b7196ed51c------2 https://medium.com/p/10ed692fb34c Fri, 13 Nov 2026 07:11:01 GMT 2026-11-13T07:11:01.512Z <![CDATA[I removed 200 try/catch blocks from my API. Express 5 & TypeScript 7 have made them obsolete.]]>

How to implement a type safe CRUD API using MongoDB, Zod & the fastest ever TypeScript compiler.

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]]> https://medium.com/@mernstackdevbykevin/i-removed-200-try-catch-blocks-from-my-api-express-5-typescript-7-have-made-them-obsolete-bf12b446034d?source=rss-c1b7196ed51c------2 https://medium.com/p/bf12b446034d Thu, 12 Nov 2026 07:11:01 GMT 2026-11-12T07:11:01.661Z <![CDATA[Stop doing maths in React! Here are 10 MongoDB Aggregation Queries that I actually use.]]>

MongoDB aggregation recipes that you can use in your MERN applications.

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]]> https://medium.com/@mernstackdevbykevin/stop-doing-maths-in-react-here-are-10-mongodb-aggregation-queries-that-i-actually-use-98ddf4ff8e66?source=rss-c1b7196ed51c------2 https://medium.com/p/98ddf4ff8e66 Wed, 11 Nov 2026 07:11:01 GMT 2026-11-11T07:11:01.632Z <![CDATA[Do You Still Need To Use Memoization With React Compiler in 2026?]]>

I had removed dozens of manual memo hooks from a codebase. Here’s what I removed and what I left.

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]]> https://medium.com/@mernstackdevbykevin/do-you-still-need-to-use-memoization-with-react-compiler-in-2026-93f3960fcf60?source=rss-c1b7196ed51c------2 https://medium.com/p/93f3960fcf60 Tue, 10 Nov 2026 07:11:01 GMT 2026-11-10T07:11:01.575Z <![CDATA[React 19.3 View Transitions Now Stabilised!]]>

How to create fluid and type safe page/component transitions using and TypeScript without needing any animation libraries.

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]]> https://medium.com/@mernstackdevbykevin/react-19-3-view-transitions-now-stabilised-25132793a384?source=rss-c1b7196ed51c------2 https://medium.com/p/25132793a384 Mon, 09 Nov 2026 07:11:01 GMT 2026-11-09T07:11:01.483Z <![CDATA[Your .css Module Declaration Is Lying To TypeScript (7.1 Finally Fixes It)]]>

TypeScript 7.1 Beta now allows ambient modules to recognise import attributes — Important to React.js and Next.js projects.

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]]> https://medium.com/@mernstackdevbykevin/your-css-module-declaration-is-lying-to-typescript-7-1-finally-fixes-it-c3168600deff?source=rss-c1b7196ed51c------2 https://medium.com/p/c3168600deff Sun, 08 Nov 2026 07:11:01 GMT 2026-11-08T07:11:01.549Z <![CDATA[TypeScript 7.1 is almost here!]]>

A faster, more compact compiler, actual API and Vue/Svelte content mappers.

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]]> https://medium.com/@mernstackdevbykevin/typescript-7-1-is-almost-here-7216b5699ebc?source=rss-c1b7196ed51c------2 https://medium.com/p/7216b5699ebc Sat, 07 Nov 2026 07:11:01 GMT 2026-11-07T07:11:01.481Z <![CDATA[TypeScript 7.1 vs 7.0: The Native Compiler Matures]]>

7.0 improved the speed of tsc by 10x! 7.1 is when the tooling catches up.

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]]> https://medium.com/@mernstackdevbykevin/typescript-7-1-vs-7-0-the-native-compiler-matures-b8db02023202?source=rss-c1b7196ed51c------2 https://medium.com/p/b8db02023202 Fri, 06 Nov 2026 07:11:01 GMT 2026-11-06T07:11:01.445Z <![CDATA[I Ran My Biggest Repo on TypeScript 7 Microsoft Go Rewrite!]]>

What is this? TypeScript 7.0 ships a native Go compiler with 8–12x faster builds.

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]]> https://medium.com/@mernstackdevbykevin/i-ran-my-biggest-repo-on-typescript-7-microsoft-go-rewrite-4d919ab48b1a?source=rss-c1b7196ed51c------2 https://medium.com/p/4d919ab48b1a Thu, 05 Nov 2026 05:24:45 GMT 2026-11-05T05:24:45.275Z <![CDATA[I Built a Full-Stack AI Chatbot using MERN and TypeScript — What Actually Works in 2026!]]>

Streaming responses, typing, 3 mistakes that lost me time

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]]> https://medium.com/@mernstackdevbykevin/i-built-a-full-stack-ai-chatbot-using-mern-and-typescript-what-actually-works-in-2026-34d8513eb539?source=rss-c1b7196ed51c------2 https://medium.com/p/34d8513eb539 Tue, 03 Nov 2026 18:01:02 GMT 2026-11-03T18:01:02.925Z