bytecodealliance/ComponentizeJS

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JS -> WebAssembly Component

Stars: 391
Forks: 53
Open beginner issues: 0
Indexed issues: 41
Avg merge: 3d 5h
Merged PRs (30d): 1

Dominant language: Rust
License: Apache-2.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Open All

41 open issues indexed

Rooting array buffers Open

bytecodealliance/ComponentizeJS#1 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
variant errors on top-level errors mask real error Open

bytecodealliance/ComponentizeJS#19 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Question - what happens if my JS is using a emscripten generated wasm file? Open

enhancement

bytecodealliance/ComponentizeJS#39 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Boilerplate generation Open

bytecodealliance/ComponentizeJS#48 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Debugger Integration Open

bytecodealliance/ComponentizeJS#49 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Dynamic Linking of SpiderMonkey Interpreter Open

bytecodealliance/ComponentizeJS#66 · 3 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
Auto-drop borrows Open

bytecodealliance/ComponentizeJS#72 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Repeated calls to an instance start failing Open

bug

bytecodealliance/ComponentizeJS#80 · 12 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
enums not exported? Open

enhancement

bytecodealliance/ComponentizeJS#83 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support for targeting multiple worlds Open

bytecodealliance/ComponentizeJS#100 · 14 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Document how imports work Open

documentation

bytecodealliance/ComponentizeJS#103 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Error: Failed to initialize the compiled Wasm binary with Wizer Open

bytecodealliance/ComponentizeJS#138 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Unable to call method on resource, works in Rust guest but not JS guest Open

bytecodealliance/ComponentizeJS#148 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Better error for `performance` access at Wizer time Open

bytecodealliance/ComponentizeJS#153 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Example should have performance numbers and comparisons Open

bytecodealliance/ComponentizeJS#163 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
TypeScript support Open

bytecodealliance/ComponentizeJS#165 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
wasm engine panic for ProtectedData Open

bytecodealliance/ComponentizeJS#176 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
fails on regular expressions with Unicode property escapes Open

bug good first issue

bytecodealliance/ComponentizeJS#177 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support an "env" and "sockets" feature Open

bytecodealliance/ComponentizeJS#190 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Compile components without a JS runtime Open

bytecodealliance/ComponentizeJS#193 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ReferenceError when resource has no functions Open

bytecodealliance/ComponentizeJS#221 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Write Wizer ENV to file if bindings dir is specified Open

bytecodealliance/ComponentizeJS#225 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Calls to setTimeout during initialization cause build to fail Open

bug feature/wizer js-ecosystem-interop

bytecodealliance/ComponentizeJS#246 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add test for pure components Open

enhancement good first issue tests

bytecodealliance/ComponentizeJS#250 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
More granular features for stubbing Open

enhancement feature/fetch-event feature/wasi

bytecodealliance/ComponentizeJS#274 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
componetize command does not export wasi:http/incoming-handler Open

bug

bytecodealliance/ComponentizeJS#282 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Expose a platform detection mechanism Open

bytecodealliance/ComponentizeJS#286 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Component Size & Performance: JCO/SpiderMonkey vs QuickJS Open

bytecodealliance/ComponentizeJS#291 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Supporting a 'wasm:' prefix on imports Open

bytecodealliance/ComponentizeJS#297 · 23 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support OCI annotations custom metadata tool convention. Open

enhancement

bytecodealliance/ComponentizeJS#301 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Newer versions of wasi:http/incoming-handler are tied to version in StarlingMonkey Open

bug feature/fetch-event feature/wasi project/starlingmonkey

bytecodealliance/ComponentizeJS#313 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Ability to disable wizer Open

bytecodealliance/ComponentizeJS#317 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Export synchronous function with a deferred fetch Open

bytecodealliance/ComponentizeJS#320 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Reproducible builds Open

bytecodealliance/ComponentizeJS#321 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Import return buffers are never freed Open

bytecodealliance/ComponentizeJS#330 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Possible regression in native crypto paths in componentize-js 0.20.0 due to preview1 random_get stubbing Open

bytecodealliance/ComponentizeJS#334 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Async func exports unimplemented in bindgen Open

bytecodealliance/ComponentizeJS#335 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Negative `s64` import argument traps a ComponentizeJS guest with `unreachable` during argument lowering (positive `s64`, `s32`, and `u64`-with-bit-63-set are all fine) Open

bytecodealliance/ComponentizeJS#343 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support component model `map<K, V>` Open

bytecodealliance/ComponentizeJS#344 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Bump oxc-parser to >=0.90.0: 0.76.0 bindings lack build provenance Open

bytecodealliance/ComponentizeJS#347 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Semver aware WASI module resolution when dealing with imports Open

enhancement

bytecodealliance/ComponentizeJS#349 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

bytecodealliance/ComponentizeJS

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