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@ark/attest

npm · v0.56.7 · MIT

Attest is a testing library that makes your TypeScript types available at runtime, giving you access to precise type-level assertions and performance benchmarks.

Tentative categories were assigned with moderate confidence (0.5 to 0.75): they are shown, but they do not count toward a category’s momentum. How categories work

Technologies

Install

npm install @ark/attest

Adoption

Downloads (30 days)
402K
Observeddownloads / 30 days
Popularity
Lower half on npm
Derived32nd percentile within npm
Dependents
Collectinghistory
Collecting
Maintenance
0.98
DerivedRelease cadence and recency, 0 to 1
Releases per year
42
93 versions over its life

Growth by period

Derived by Crest of Tech from two observations of npm’s own figure, a period apart. Nothing is stored or estimated: without an observation near the period’s start, the period is still collecting.

7 days
−5.1% · 7d
Derived−21.5K downloads / 30 days, SEP 30 → OCT 7
30 days
+5.7% · 30d
Derived+21.7K downloads / 30 days, SEP 7 → OCT 7
90 days
+196.9% · 90d
Derived+266.6K downloads / 30 days, JUL 6 → OCT 7
1 year
+653.7% · 1y
Derived+348.7K downloads / 30 days, OCT 6 → OCT 7

Adoption historydownloads / 30 days · 31 observations

SEP 7, 2026: 380,316 downloads / 30 daysSEP 8, 2026: 375,779 downloads / 30 daysSEP 9, 2026: 382,478 downloads / 30 daysSEP 10, 2026: 383,641 downloads / 30 daysSEP 11, 2026: 384,847 downloads / 30 daysSEP 12, 2026: 383,391 downloads / 30 daysSEP 13, 2026: 397,767 downloads / 30 daysSEP 14, 2026: 413,759 downloads / 30 daysSEP 15, 2026: 406,988 downloads / 30 daysSEP 16, 2026: 428,149 downloads / 30 daysSEP 17, 2026: 435,477 downloads / 30 daysSEP 18, 2026: 440,733 downloads / 30 daysSEP 19, 2026: 434,166 downloads / 30 daysSEP 20, 2026: 436,243 downloads / 30 daysSEP 21, 2026: 435,907 downloads / 30 daysSEP 22, 2026: 433,199 downloads / 30 daysSEP 23, 2026: 434,391 downloads / 30 daysSEP 24, 2026: 432,836 downloads / 30 daysSEP 25, 2026: 435,496 downloads / 30 daysSEP 26, 2026: 431,610 downloads / 30 daysSEP 27, 2026: 425,627 downloads / 30 daysSEP 28, 2026: 424,996 downloads / 30 daysSEP 29, 2026: 429,640 downloads / 30 daysSEP 30, 2026: 423,505 downloads / 30 daysOCT 1, 2026: 420,673 downloads / 30 daysOCT 2, 2026: 425,483 downloads / 30 daysOCT 3, 2026: 439,486 downloads / 30 daysOCT 4, 2026: 428,477 downloads / 30 daysOCT 5, 2026: 428,258 downloads / 30 daysOCT 6, 2026: 402,005 downloads / 30 daysOCT 7, 2026: 402,005 downloads / 30 days
Table of observations (31)
Daydownloads / 30 daysDependents
OCT 7, 2026402,005Not observed
OCT 6, 2026402,005Not observed
OCT 5, 2026428,258Not observed
OCT 4, 2026428,477Not observed
OCT 3, 2026439,486Not observed
OCT 2, 2026425,483Not observed
OCT 1, 2026420,673Not observed
SEP 30, 2026423,505Not observed
SEP 29, 2026429,640Not observed
SEP 28, 2026424,996Not observed
SEP 27, 2026425,627Not observed
SEP 26, 2026431,610Not observed
SEP 25, 2026435,496Not observed
SEP 24, 2026432,836Not observed
SEP 23, 2026434,391Not observed
SEP 22, 2026433,199Not observed
SEP 21, 2026435,907Not observed
SEP 20, 2026436,243Not observed
SEP 19, 2026434,166Not observed
SEP 18, 2026440,733Not observed
SEP 17, 2026435,477Not observed
SEP 16, 2026428,149Not observed
SEP 15, 2026406,988Not observed
SEP 14, 2026413,759Not observed
SEP 13, 2026397,767Not observed
SEP 12, 2026383,391Not observed
SEP 11, 2026384,847Not observed
SEP 10, 2026383,641Not observed
SEP 9, 2026382,478Not observed
SEP 8, 2026375,779Not observed
SEP 7, 2026380,316Not observed

Facts from the registry

Latest version
v0.56.7
93 versions
First published
JUL 16, 2024
Last release
OCT 1, 2026
23d ago
Licence
MIT
Links
npm page
Homepage · github.com
Source · github.com

Repository

In the Crest catalog

arktypeio/arktype

TypeScript's 1:1 validator, optimized from editor to runtime

Stars
7.9K
Forks
166
Language
TypeScript
Last push
23d ago
Last release
23d ago

Linked by the package’s own registry metadata.GitHub

Dependencies latest version · v0.56.7

Runtime 8

  • @ark/fs0.56.6
  • @ark/schema0.56.6
  • @ark/util0.56.6
  • @prettier/sync0.6.1
  • @typescript/analyze-trace0.10.1
  • @typescript/vfs1.6.1
  • arktype2.2.7
  • prettier3.6.2

Peer 1

  • typescript*

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