ow

Function argument validation for humans

by sindresorhus

javascript nodejs npm-package type-checking validation

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TypeScript

3.9k stars 111 forks 38 contributorsQuiet · 8mo agoSince 2017 v3.1.1MIT

Meet the team

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sindresorhus156 contributions

SamVerschueren62 contributions

hanshsieh3 contributions

itaisteinherz3 contributions

transitive-bullshit2 contributions

vladfrangu2 contributions

ilkerceng2 contributions

alexdriaguine1 contribution

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TypeScript99.8%

JavaScript0.2%

Commit activity

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Community health

4 of 6 standards met

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Recent fixes

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ow.any() validation returns true for all inputs in v3.1.0ClosedIssue

After upgrading from ow v2.0.0 to v3.1.0, appears to be broken and returns true for all inputs, regardless of whether they match any of the specified validators. Reproduction Results with ow v2.0.0 Results with ow v3.1.0

josendf-basetis · 8mo ago

Run TS as a require hook for tests instead of precompileClosedIssue

I tried to do it in https://github.com/sindresorhus/ow/pull/131, but I could not make it work.

sindresorhus · 8mo ago

Async validatorClosedIssue

Is it possible to have async validator? Ex. check if a value exists in DB.

msuntharesan · 8mo ago

Structured data for AI agents

Repository: sindresorhus/ow. Description: Function argument validation for humans Stars: 3868, Forks: 111. Primary language: TypeScript. Languages: TypeScript (99.8%), JavaScript (0.2%). License: MIT. Homepage: https://sindresorhus.com/ow/ Topics: javascript, nodejs, npm-package, type-checking, validation. Latest release: v3.1.1 (8mo ago). Open PRs: 0, open issues: 0. Last activity: 8mo ago. Community health: 85%. Top contributors: sindresorhus, SamVerschueren, hanshsieh, itaisteinherz, transitive-bullshit, vladfrangu, ilkerceng, alexdriaguine, reed665, hafffe and others.