Joyee Cheung

Always learning.

Joyee has been a member of the Node.js Technical Steering Committee since 2017 and a V8 committer since 2019. She is an active contributor to Node.js core, V8 and related projects.

POSTS

Mar 23, 2026

Teaching gdb to Unwind V8 JIT Frames on x64

Recently I landed a custom Python gdb unwinder in V8 that allows gdb to unwind through V8’s JIT-compiled frames on x64

Jan 31, 2026

Tinkering with Node.js Core on ARM64 Windows

A while back, I wrote about Building Node.js on Windows using the new ClangCL support, which was done on an actual x64 Windows machine

Jan 26, 2026

Improving Single Executable Application Building for Node.js

Recently, I landed a change that moves the Single Executable Application (SEA) build process directly into Node.js core - a hobby project I’d been tinkering with for some time

Dec 30, 2025

require(esm) in Node.js: implementer's tales

In earlier posts, I wrote about reviving require(esm) and its iteration process

Media

Evolving the Node.js module loader

Slides (3 MB PDF)

Shipping Node.js packages in 2025

Slides (772 KB PDF)

Bridging CommonJS and ESM in Node.js

Slides (5 MB PDF)

Toots

Mar 25, 2026

Wrote a blog post about how this works: https://joyeecheung.github.io/blog/2026/03/24/teaching-gdb-to-unwind-v8-jit-frames-on-x64/ [contains quote post or other embedded content]

Mar 18, 2026

I will be speaking at #JSNation about the current lifecycle of ESM in Node.js, and the recent changes! Check out...

Mar 10, 2026

This will work with “useCodeCache”: true in the next semver-minor release https://github.com/nodejs/node/pull/62158 [contains quote post or other embedded content]

Feb 18, 2026

Landed initial support for ESM in Node.js SEA: https://github.com/nodejs/node/pull/61813 Similar to CJS entrypoints, it only supports importing builtins, so generally...

Joyee Cheung

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POSTS

Teaching gdb to Unwind V8 JIT Frames on x64

Tinkering with Node.js Core on ARM64 Windows

Improving Single Executable Application Building for Node.js

require(esm) in Node.js: implementer's tales

Media

Evolving the Node.js module loader

Shipping Node.js packages in 2025

Bridging CommonJS and ESM in Node.js

Toots