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Posts tagged #node

A mix of technical deep-dives, career reflections, and dispatches from the road.

Prompt Caching: Your Prompt's Prefix Is a Cache Key thumbnail

AIOct 30, 2026· 4 min

Prompt Caching: Your Prompt's Prefix Is a Cache Key

Prompt caching can cut repeated input costs by around 80%, but only if the stable parts of your prompt come first. Here's how it works and what breaks it.

Nuxt SSR Streaming: Faster TTFB and the Response You Can't Change Later thumbnail

developmentOct 26, 2026· 3 min

Nuxt SSR Streaming: Faster TTFB and the Response You Can't Change Later

Nuxt 4.5 can flush your HTML shell before the page finishes rendering. Here's what experimental SSR streaming speeds up and the status code rule you need first.

JSON.parse Source Text Access: Stop Losing Precision on Big IDs thumbnail

developmentOct 25, 2026· 3 min

JSON.parse Source Text Access: Stop Losing Precision on Big IDs

JSON.parse can now hand your reviver the original source text of numbers, and JSON.rawJSON writes it back exactly. Here's how to round-trip big IDs.

Structured Outputs: Stop Parsing JSON Out of LLM Prose thumbnail

AIOct 23, 2026· 4 min

Structured Outputs: Stop Parsing JSON Out of LLM Prose

Constrained decoding means the model can't return malformed JSON. Here's how structured outputs work with Zod in TypeScript, and the edge cases they miss.

Subpath Imports With #/: The Path Alias Node Actually Understands thumbnail

developmentOct 22, 2026· 4 min

Subpath Imports With #/: The Path Alias Node Actually Understands

Node 24.14 and TypeScript 6.0 allow a bare #/ prefix in package.json imports. Here's how one alias can replace tsconfig paths, Vite aliases, and build rewrites.

Dependency Cooldowns: Make Your Package Manager Wait Before It Trusts New Code thumbnail

developmentOct 12, 2026· 4 min

Dependency Cooldowns: Make Your Package Manager Wait Before It Trusts New Code

npm, pnpm, Yarn, and Bun can all refuse package versions that are only hours old. Here's how each release-age gate works, why units differ, and where CI bites.

Map.getOrInsert: Stop Writing the has/get/set Dance thumbnail

developmentOct 8, 2026· 3 min

Map.getOrInsert: Stop Writing the has/get/set Dance

Map and WeakMap now have getOrInsert and getOrInsertComputed, two methods that replace the check-then-set boilerplate every JavaScript codebase is full of.

Your tsconfig Is Still Written for TypeScript 5. Here's the Cleanup TS 7 Forces thumbnail

developmentOct 1, 2026· 4 min

Your tsconfig Is Still Written for TypeScript 5. Here's the Cleanup TS 7 Forces

TypeScript 6 flipped half a dozen compiler defaults and TypeScript 7 deleted deprecated options. Here's the tsconfig audit for the native compiler.

Node.js Type Stripping: Run TypeScript Without a Build Step thumbnail

developmentSep 28, 2026· 3 min

Node.js Type Stripping: Run TypeScript Without a Build Step

Node.js now runs .ts files by erasing types, not compiling them. Here's what that buys you, what it refuses to do, and the tsconfig that keeps you honest.

Uint8Array toBase64 and toHex: Stop Round-Tripping Bytes Through btoa thumbnail

developmentSep 24, 2026· 3 min

Uint8Array toBase64 and toHex: Stop Round-Tripping Bytes Through btoa

JavaScript can finally turn bytes into base64 and hex without the String.fromCharCode and btoa dance. Here's how Uint8Array's new encoding methods work.

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