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typescript-is

TypeScript transformer that generates run-time type-checks.

v0.20.0, 17 Jul 2023MITCommonJSTypes: NoneTypeScript tooling
$ npm install typescript-is

Key numbers

As of 25 Sept 2026
Weekly downloads
5k
+73% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
3
Direct, from package.json
Last release
3 years ago
v0.20.0
GitHub stars
959
33 forks
Open issues / PRs
41 / 6
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
02k4k6k8kSept 2025Mar 2026Sept 2026High 6.9k (8 Sept 2026)Low 1.1k (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

4,981 downloads last week, 19,517 in the last month. The 12-month change of +73% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
0.20.0, 17 Jul 20233 years ago
First published
-
Last push to GitHub
17 Jul 20231,165 days before the snapshot
Repository archived
No
Open issues
41
Open pull requests
6
Commits, last 52 weeks
0
Dependents on npm
40

Major versions

-

Recent releases

-

Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
>=6.14.4
Runtimes
-
Unpacked size (npm)
264 kB
Dependencies (3)
tsutilsreflect-metadatanested-error-stacks
Peer dependencies (1)
typescript
npm install typescript-is
  • jsDelivrhttps://cdn.jsdelivr.net/npm/typescript-is@0.20.0/
  • unpkghttps://unpkg.com/typescript-is@0.20.0/
  • esm.shhttps://esm.sh/typescript-is@0.20.0
PackageWeekly downloadsGzipLast releaseModuleComparison
ts-node34.3m-2 years agoCommonJS-
runtypes186.3k-1 month agoESM + CommonJS-
@isaacs/ts-node-temp-fork-for-pr-200976.3k-2 years agoCommonJS-
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): downloads_week 4981 < 10000.