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quickjs-wasi

npmv3.6.0TypeScript

Snapshotable JavaScript runtime via WebAssembly. QuickJS-NG compiled to WASM with snapshot/restore support.

Safe to adopt

Yes — quickjs-wasi scores well across adoption, maintenance, weight, supply chain, and licensing. No download data reported for this package yet. Last published 15 days ago. 22 releases in the last 2 years.

  • ?Adoption: grade ?, Not reported by this registry.

    No download data reported for this package yet.

  • AMaintenance: grade A, Excellent.

    Last published 15 days ago. 22 releases in the last 2 years.

  • AWeight: grade A, Excellent.

    Zero runtime dependencies, about 1.5 MB installed.

  • ASupply chain: grade A, Excellent.

    No install scripts, 2 maintainers, and a contained dependency surface.

  • ALicense: grade A, Excellent.

    MIT — permissive, with no copyleft found in the dependency tree.

Grades are computed deterministically from registry metadata collected by PackageGraph — downloads, dependents, publish dates, the resolved dependency tree, maintainer count, and declared licenses. No third-party scores are used.

Install cost

What you actually take on by adding quickjs-wasi to a project.

0
Direct dependencies

Runtime packages this one declares itself.

0
Total installed

Distinct packages in the full runtime tree, deduplicated the way a package manager would.

1.5 MB
Install size

Unpacked size of this package plus its entire runtime tree.

—
Tree depth

Longest resolved dependency chain below this package.

Compatibility

Node.js
No constraint declared
Module format
ESM only
TypeScript
Types included
Install scripts
None

Quick start

A usage example from the quickjs-wasi README.

typescriptFull README ↗
import { readFile } from 'node:fs/promises';

const wasmBytes = await readFile(new URL(import.meta.resolve('quickjs-wasi/quickjs.wasm')));
// or with require.resolve in CJS:
//   readFileSync(require.resolve('quickjs-wasi/quickjs.wasm'))

Dependencies

Declared by quickjs-wasi v3.6.0. Runtime dependencies are installed with the package; dev dependencies are not.

Dev (17)

@changesets/changelog-github ^0.6.0@changesets/cli ^2.31.0@types/node ^22.20.0@vercel/nft ^1.10.2binaryen ^130.0.0bun ^1.3.14core-js-pure ^3.49.0degenerator ^5.0.1devalue ^5.9.0esbuild ^0.28.1fast-text-encoding ^1.0.6quickjs-emscripten ^0.32.0tinybench ^6.0.2typescript ^5.9.3vite ^7.3.5vitest ^4.1.9whatwg-fetch ^3.6.20

Used by

Popular packages that depend on quickjs-wasi.

pac-proxy-agentnpm

A PAC file proxy `http.Agent` implementation for HTTP

↓ 0/wk◈ 1 dependents⚖ MIT
pac-resolvernpm

Generates an asynchronous resolver function from a PAC file

↓ 0/wk◈ 1 dependents⚖ MIT
degeneratornpm

Compiles sync functions into async generator functions

↓ 0/wk◈ 2 dependents⚖ MIT

Relationship graph

Dependencies (left) and dependents (right) of quickjs-wasi.

pac-proxy-agentpac-resolverdegeneratorquickjs-wasi
quickjs-wasi dependencies dependents

Frequently installed together

@types/nodenpm

TypeScript definitions for node

↓ 0/wk◈ 323 dependents⚖ MITTS
https-proxy-agentnpm

An HTTP(s) proxy `http.Agent` implementation for HTTPS

↓ 251.8M/wk◈ 10 dependents⚖ MIT
esprimanpm

ECMAScript parsing infrastructure for multipurpose analysis

↓ 110.8M/wk◈ 5 dependents⚖ BSD-2-Clause
netmasknpm

Parse and lookup IP network blocks

↓ 28.4M/wk◈ 1 dependents⚖ MITTS
debugnpm

Lightweight debugging utility for Node.js and the browser

↓ 0/wk◈ 46 dependents⚖ MIT
degeneratornpm

Compiles sync functions into async generator functions

↓ 0/wk◈ 2 dependents⚖ MIT
@types/debugnpm

TypeScript definitions for debug

↓ 0/wk◈ 20 dependents⚖ MITTS
escodegennpm

ECMAScript code generator

↓ 0/wk◈ 1 dependents⚖ BSD-2-Clause
pac-resolvernpm

Generates an asynchronous resolver function from a PAC file

↓ 0/wk◈ 1 dependents⚖ MIT
agent-basenpm

Turn a function into an `http.Agent` instance

↓ 0/wk◈ 6 dependents⚖ MIT
http-proxy-agentnpm

An HTTP(s) proxy `http.Agent` implementation for HTTP

↓ 0/wk◈ 5 dependents⚖ MIT
socks-proxy-agentnpm

A SOCKS proxy `http.Agent` implementation for HTTP and HTTPS

↓ 0/wk◈ 3 dependents⚖ MIT

Release history

22 releases in the last two years, typically about 4 days apart.

Recent versions of quickjs-wasi
VersionPublishedSizeLicense
3.6.0latest15 days ago1.5 MBMIT
3.5.020 days ago1.4 MBMIT
3.4.01 month ago1.4 MBMIT
3.3.11 month ago1.4 MBMIT
3.3.01 month ago1.4 MBMIT
3.2.01 month ago1.4 MBMIT
3.1.01 month ago1.4 MBMIT
3.0.22 months ago1.4 MBMIT
3.0.12 months ago2.9 MBMIT
3.0.03 months ago2.9 MBMIT
2.2.05 months ago2.8 MBMIT
2.1.05 months ago2.8 MBMIT
2.0.15 months ago2.8 MBMIT
2.0.05 months ago2.8 MBMIT
1.3.05 months ago2.7 MBMIT

Overview

quickjs-wasi is an npm package that snapshotable JavaScript runtime via WebAssembly. QuickJS-NG compiled to WASM with snapshot/restore support. It has 3 known dependents in the graph. The latest version is 3.6.0, released under the MIT license.

Who should use it

Teams working in the npm ecosystem who need snapshotable JavaScript runtime via WebAssembly. QuickJS-NG compiled to WASM with snapshot/restore support and value a focused solution.

When not to use it

Consider an alternative if you need to minimize your dependency tree, or if a more actively-maintained option better fits your npm stack.

Pros

  • Ships TypeScript type definitions.
  • Clear open-source license (MIT).

Cons

  • Large dependency tree (17 direct dependencies) increases install size and audit surface.

Auto-generated from collected registry metadata. No external claims are inferred.

Maintainers

adamdongtootallnate

Frequently asked questions

Should I use quickjs-wasi?

Yes — quickjs-wasi scores well across adoption, maintenance, weight, supply chain, and licensing. No download data reported for this package yet. Last published 15 days ago. 22 releases in the last 2 years.

How do I install quickjs-wasi?

Run `npm install quickjs-wasi` to add quickjs-wasi to your npm project.

What license is quickjs-wasi released under?

quickjs-wasi is distributed under the MIT license.

How popular is quickjs-wasi?

npm does not publish download counts. Within PackageGraph's crawl, 3 known packages depend on quickjs-wasi.

Is quickjs-wasi still maintained?

The most recent release of quickjs-wasi (v3.6.0) was published 15 days ago.

Does quickjs-wasi run install scripts?

No. quickjs-wasi does not define preinstall, install, or postinstall scripts, so installing it does not execute publisher-supplied code.