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Package

assemblyscript

A TypeScript-like language for WebAssembly.

v0.28.20, 22 Jul 2026Apache-2.0ESM + CommonJSTypes: BundledTypeScript toolingBuild tools
$ npm install assemblyscript

Key numbers

As of 25 Sept 2026
Weekly downloads
128.9k
+127% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
2
Direct, from package.json
Last release
2 months ago
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.

128,881 downloads last week, 617,558 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, 22 Jul 20262 months ago
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
159

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-react367.4k-4 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.