QuickJS curated list

Updates

(2024/3/4) The development was continued in early 2024. On 2024/1/13 Bellard released a new version on the project website.
(2023/11/28) There is a community-maintained fork live at https://github.com/quickjs-ng/quickjs!

Warning:

• QuickJS's last official commit is on 2022/3/7. Consider it no longer community maintained.
• There are a couple of sereve bugs (infinite loop, segfaults, …) remaining unpatched.
• The latest discussions on community effort happens at
  https://github.com/bellard/quickjs/issues/188.

• https://github.com/saghul/txiki.js: full ecosystem; including a TLA patch
• https://github.com/koush/quickjs: vscode debugger!
• https://github.com/hsiaosiyuan0/slowjs: dissect; debugger & GC dump
• https://github.com/suchipi/quickjs: ES2022?
• https://github.com/frida/quickjs: A meson.build for library; some useful patches
• https://github.com/openwebf/quickjs:
  • poly. inline caching & column number from some china guys

Tutorials

• https://blogs.igalia.com/compilers/2023/06/12/quickjs-an-overview-and-guide-to-adding-a-new-feature/

Modules

• https://github.com/rsenn/qjs-modules

Unpatched bugs

AFAIK…

• [quickjs-devel] GC fails with os.setTimeout
• AddressSanitizer: stack-overflow (CVE-2023-31922)
• [quickjs-devel] A Bug 100% causing SIGSEGV related to async function and closure
• Can quickjs be used in multithreading?: to-be-fixed with https://github.com/quickjs-ng/quickjs/commit/5ce2957e.

Meta

• https://github.com/kaosat-dev/awesome-quickjs

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https://github.com/PetterS/quickjs/pull/82/files

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Upstream release

• new: CONFIG_COSMO -> LDFLAGS
• -fwrapv
• _OPT -fPIC
• new: CONFIG_SHARED_LIBS if !COSMO && !DARWIN

Bump unicode def

#	Input	Output	Remark
1.	unicode_gen.host.o cutils.o libunicode.c unicode_gen_def.h	unicode_gen.o	For cross-compilation
2.	unicode_gen.o	libunicode-table.h
3.	unicode_gen_def.h	libunicode.o .m32, .m32s, .nolto

Original TODOs

• If unicode/UnicodeData.txt exists, update libunicode-table.h; else copy from source tree
• handle missing test262{,o}

Support table

As of https://github.com/bellard/quickjs/blob/3f81070e/Makefile:

Feature	Makefile flag	Meson flag
LTO	CONFIG_LTO	b_lto == true
Werror	CONFIG_WERROR	werror == true
ASAN	CONFIG_ASAN	b_sanitize == address
Profiler	CONFIG_PROFILE	b_pgo == generate or use?