Packages npm @arktype/attest Package · npm
@arktype/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.
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Install npm install @arktype/attestCopy Adoption
Downloads (30 days) 10.6K Observed downloads / 30 days
Popularity Lower half on npm Derived 13th percentile within npm
Dependents Collecting history Collecting
Maintenance 0.98 Derived Release cadence and recency, 0 to 1
Releases per year 40 128 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 +10.6% · 7d Derived +1K downloads / 30 days, SEP 30 → OCT 7
30 days +20.9% · 30d Derived +1.8K downloads / 30 days, SEP 7 → OCT 7
90 days −16.6% · 90d Derived −2.1K downloads / 30 days, JUL 6 → OCT 7
1 year +128.3% · 1y Derived +6K downloads / 30 days, OCT 6 → OCT 7 Adoption history Adoption historydownloads / 30 days · 31 observations
30d 90d 1y 2y 10.8K 8.1K SEP 7, 2026: 8,797 downloads / 30 days SEP 8, 2026: 8,708 downloads / 30 days SEP 9, 2026: 8,504 downloads / 30 days SEP 10, 2026: 8,586 downloads / 30 days SEP 11, 2026: 8,243 downloads / 30 days SEP 12, 2026: 8,098 downloads / 30 days SEP 13, 2026: 8,394 downloads / 30 days SEP 14, 2026: 8,822 downloads / 30 days SEP 15, 2026: 8,684 downloads / 30 days SEP 16, 2026: 8,839 downloads / 30 days SEP 17, 2026: 8,176 downloads / 30 days SEP 18, 2026: 8,292 downloads / 30 days SEP 19, 2026: 8,444 downloads / 30 days SEP 20, 2026: 8,277 downloads / 30 days SEP 21, 2026: 8,521 downloads / 30 days SEP 22, 2026: 8,848 downloads / 30 days SEP 23, 2026: 9,143 downloads / 30 days SEP 24, 2026: 9,369 downloads / 30 days SEP 25, 2026: 9,352 downloads / 30 days SEP 26, 2026: 9,166 downloads / 30 days SEP 27, 2026: 8,823 downloads / 30 days SEP 28, 2026: 9,259 downloads / 30 days SEP 29, 2026: 9,429 downloads / 30 days SEP 30, 2026: 9,620 downloads / 30 days OCT 1, 2026: 10,138 downloads / 30 days OCT 2, 2026: 10,226 downloads / 30 days OCT 3, 2026: 10,789 downloads / 30 days OCT 4, 2026: 10,671 downloads / 30 days OCT 5, 2026: 10,833 downloads / 30 days OCT 6, 2026: 10,636 downloads / 30 days OCT 7, 2026: 10,636 downloads / 30 days SEP 7 SEP 22 OCT 7
Table of observations (31) Day downloads / 30 days Dependents OCT 7, 2026 10,636 Not observed OCT 6, 2026 10,636 Not observed OCT 5, 2026 10,833 Not observed OCT 4, 2026 10,671 Not observed OCT 3, 2026 10,789 Not observed OCT 2, 2026 10,226 Not observed OCT 1, 2026 10,138 Not observed SEP 30, 2026 9,620 Not observed SEP 29, 2026 9,429 Not observed SEP 28, 2026 9,259 Not observed SEP 27, 2026 8,823 Not observed SEP 26, 2026 9,166 Not observed SEP 25, 2026 9,352 Not observed SEP 24, 2026 9,369 Not observed SEP 23, 2026 9,143 Not observed SEP 22, 2026 8,848 Not observed SEP 21, 2026 8,521 Not observed SEP 20, 2026 8,277 Not observed SEP 19, 2026 8,444 Not observed SEP 18, 2026 8,292 Not observed SEP 17, 2026 8,176 Not observed SEP 16, 2026 8,839 Not observed SEP 15, 2026 8,684 Not observed SEP 14, 2026 8,822 Not observed SEP 13, 2026 8,394 Not observed SEP 12, 2026 8,098 Not observed SEP 11, 2026 8,243 Not observed SEP 10, 2026 8,586 Not observed SEP 9, 2026 8,504 Not observed SEP 8, 2026 8,708 Not observed SEP 7, 2026 8,797 Not observed
Facts from the registry
Latest version v0.56.7 128 versions
First published AUG 3, 2023
Last release OCT 1, 2026 23d ago
Licence MIT Repository In the Crest catalog
TypeScript's 1:1 validator, optimized from editor to runtime
Language TypeScript
Last push 23d ago
Last release 23d ago Dependencies latest version · v0.56.7 Runtime 8 @ark/fs 0.56.6@ark/schema 0.56.6@ark/util 0.56.6@prettier/sync 0.6.1@typescript/analyze-trace 0.10.1@typescript/vfs 1.6.1arktype 2.2.7prettier 3.6.2Related news No published news event mentions this package or its repository yet.
