Skip to content
JS
Package

assemblyscript

A TypeScript-like language for WebAssembly.

v0.28.20Apache-2.0ESM + CommonJSTypes: BundledTypeScript toolingBuild tools
$ npm install assemblyscript

Key numbers

As of 25 Sept 2026
Weekly downloads
125k
+127% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
2
Direct, from package.json
Last release
-
v0.28.20
GitHub stars
18k
690 forks
Open issues / PRs
180 / 23
Contributors
-
Commits, last 52 weeks
31

Downloads

Last week 2026-09-15 to 2026-09-21
050k100k150k200kSept 2025Mar 2026Sept 2026High 183.1k (8 Sept 2026)Low 25.9k (30 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

124,967 downloads last week, 621,893 in the last month. The 12-month change of +127% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
0.28.20
First published
-
Last push to GitHub
14 Sept 202611 days before the snapshot
Repository archived
No
Open issues
180
Open pull requests
23
Commits, last 52 weeks
31
Dependents on npm
-

Major versions

-

Recent releases

-

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
>=20
Runtimes
-
Unpacked size (npm)
7.5 MB
Dependencies (2)
longbinaryen
npm install assemblyscript
  • jsDelivrhttps://cdn.jsdelivr.net/npm/assemblyscript@0.28.20/
  • unpkghttps://unpkg.com/assemblyscript@0.28.20/
  • esm.shhttps://esm.sh/assemblyscript@0.28.20
PackageWeekly downloadsGzipLast releaseModuleComparison
oxc-transform-react369.9k-3 days agoESM only-
sucrase35.6m-10 months agoESM + CommonJSsucrase vs assemblyscript
oxc-transform3.7m-3 days agoESM only-
@microsoft/api-extractor3.4m-2 days agoESM + CommonJS-
esbuild-runner98.3k-3 years agoCommonJS-
@sebastianwessel/quickjs25.3k-3 months agoESM + CommonJS-

Related

Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.