Engineering notes
Articles for people who
ship the stack
Rewrites on React, Node.js, TypeScript and AI. A translated body is shown when it exists. If it does not, you see the English text and a note that says so.
Tagged: AWS Lambda
Moving a Node.js Project to Bun: Runtime Internals, Lambda and Migration
Understand what Bun replaces in a Node.js toolchain, why it starts fast, how it runs TypeScript and on AWS Lambda, and how to migrate a project step by step.
6 min readCoordinating LLM Tool Calls in Node.js with Promise.withResolvers()
See how Promise.withResolvers() untangles tool-call orchestration in a Node.js Lambda calling Claude on Bedrock, plus the timeouts, retries and limits it does not cover.
13 min read
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Yes. Each piece is an original English rewrite prepared for this site. Structure and code examples follow the source material; prose is rewritten and checked for overlap before export.
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