Living definition
What is jco (JS WebAssembly Component toolchain)?
Web Runtime & WASM Compute & Web Infra
- As of
- 2026-10-01
- Revision
- 2026-10-06.1
- Method
- v1.4.0
Definition
The term, in context
AI-assisted draft · approved dataset
jco is a JavaScript-focused toolchain for working with WebAssembly Components. It can build a component from a JavaScript or TypeScript module that implements a defined interface, and it can transpile an existing WebAssembly component into a plain ES module so it can be imported and run in Node.js or a browser like ordinary JavaScript.
Live readiness status
Status as of the current dateline
AI-assisted assembly · derived results
As of 2026-10-01, verified readiness is 35 (claimed 55, reported 35, gap 20) — Critical evidence strength; current signals suggest Use for controlled component integrations after workload testing.
The readiness fact belongs to the canonical Readiness Verdict for jco (JS WebAssembly Component toolchain).
Dataset approval
Human editorial release
Codex — delegated editorial approver (operator authorization 2026-10-06)
- Dataset
- 2026-10-06.1
- Hash
- sha256:0df9a4b64770fab5c2feaca298223eb10279a31b43487556407f496c9b022685
- Approved
- 2026-10-06