@asmyshlyaev177 — BlogTechnical articles on React, Next.js, TypeScript, testing, and frontend architecture by Aleksandr Smyshliaev.https://asmyshlyaev177.deven-usWhy I built llm-queue: one local model, one queuehttps://asmyshlyaev177.dev/blog/why-i-built-llm-queuehttps://asmyshlyaev177.dev/blog/why-i-built-llm-queueWhy I built llm-queue: one local LLM (Ollama) behind an OpenAI-compatible HTTP API, so every process shares one serialized priority queue instead of thrashing the model.Sun, 28 Jun 2026 00:00:00 GMTLLMOllamaOpen sourceSide projectTypeScriptTesting Next.js SSR with Playwright: record real responses instead of writing mockshttps://asmyshlyaev177.dev/blog/testing-nextjs-ssr-playwright-record-replayhttps://asmyshlyaev177.dev/blog/testing-nextjs-ssr-playwright-record-replayPlaywright can mock browser requests, but not the fetches your Next.js server makes during SSR. Here is how I record real API responses once and replay them deterministically on CI, with the backend turned off.Wed, 17 Jun 2026 00:00:00 GMTPlaywrightTestingNext.jsOpen sourceVCRPolly.jsHow I built state-in-url: turning the URL bar into real React statehttps://asmyshlyaev177.dev/blog/how-i-built-state-in-urlhttps://asmyshlyaev177.dev/blog/how-i-built-state-in-urlThe story of building state-in-url: turning the browser URL bar into real, type-safe React state — the design decisions and trade-offs.Mon, 13 Apr 2026 00:00:00 GMTReactState managementOpen sourceBreakpoint variables with pure CSShttps://asmyshlyaev177.dev/blog/breakpoints-variables-with-pure-csshttps://asmyshlyaev177.dev/blog/breakpoints-variables-with-pure-cssDefine and use responsive breakpoints as variables in pure CSS — no preprocessor or JS — for cleaner, DRY media queries.Thu, 01 May 2025 00:00:00 GMTCSSNext.jsThe first really useful AI tool: AI code reviewhttps://asmyshlyaev177.dev/blog/first-really-useful-ai-tool-ai-code-reviewhttps://asmyshlyaev177.dev/blog/first-really-useful-ai-tool-ai-code-reviewMy experience with CodeRabbit, an AI code review tool that actually adds value to pull requests — what it catches and where it helps.Thu, 14 Nov 2024 00:00:00 GMTAICode reviewAutomating npm package releases with CI/CDhttps://asmyshlyaev177.dev/blog/automating-npm-package-release-with-cicdhttps://asmyshlyaev177.dev/blog/automating-npm-package-release-with-cicdAutomating npm package releases with GitHub Actions: versioning, changelogs, and publishing to npm from CI without manual steps.Fri, 13 Sep 2024 00:00:00 GMTCI/CDGitHub ActionsnpmUse cases for the useInsertionEffect React hookhttps://asmyshlyaev177.dev/blog/use-cases-useinsertioneffect-react-hookhttps://asmyshlyaev177.dev/blog/use-cases-useinsertioneffect-react-hookPractical use cases for React's useInsertionEffect hook — what it's for, how it differs from useEffect and useLayoutEffect, and when to use it.Wed, 21 Aug 2024 00:00:00 GMTReactJavaScriptClean code vs bad codehttps://asmyshlyaev177.dev/blog/clean-code-vs-bad-codehttps://asmyshlyaev177.dev/blog/clean-code-vs-bad-codeWhat actually separates clean code from bad code — practical heuristics and examples, beyond the usual book quotes.Sat, 10 Aug 2024 00:00:00 GMTClean codeTypeScript function overloading: a real-world examplehttps://asmyshlyaev177.dev/blog/ts-function-overloading-real-world-examplehttps://asmyshlyaev177.dev/blog/ts-function-overloading-real-world-exampleTypeScript function overloading explained with a realistic, real-world example — when it beats union types and how to write overloads cleanly.Fri, 09 Aug 2024 00:00:00 GMTTypeScriptSharing state between unrelated React componentshttps://asmyshlyaev177.dev/blog/sharing-state-between-unrelated-react-componentshttps://asmyshlyaev177.dev/blog/sharing-state-between-unrelated-react-componentsHow to share serializable state between unrelated React components — including server and client components in Next.js — without prop drilling.Thu, 11 Jul 2024 00:00:00 GMTReactNext.jsState management