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jest-validate

npmv30.5.1TypeScript

Generic configuration validation tool that helps you with warnings, errors and deprecation messages as well as showing users examples of correct configuration.

Safe to adopt

Yes — jest-validate scores well across adoption, maintenance, weight, supply chain, and licensing. 52.7M downloads per week and 6 known dependents. Last published 9 days ago. 18 releases in the last 2 years.

  • AAdoption: grade A, Excellent.

    52.7M downloads per week and 6 known dependents.

  • AMaintenance: grade A, Excellent.

    Last published 9 days ago. 18 releases in the last 2 years.

  • BWeight: grade B, Good.

    Pulls in 20 transitive packages, about 2.8 MB installed (at least — some of the tree is still being crawled).

  • ASupply chain: grade A, Excellent.

    No install scripts, 5 maintainers, and a contained dependency surface.

  • ALicense: grade A, Excellent.

    MIT — permissive, with no copyleft found in the dependency tree.

Grades are computed deterministically from registry metadata collected by PackageGraph — downloads, dependents, publish dates, the resolved dependency tree, maintainer count, and declared licenses. No third-party scores are used.

Install cost

What you actually take on by adding jest-validate to a project.

6
Direct dependencies

Runtime packages this one declares itself.

20
Total installed

Distinct packages in the full runtime tree, deduplicated the way a package manager would.

2.8 MB
Install size

Unpacked size of this package plus its entire runtime tree.

3
Tree depth

Longest resolved dependency chain below this package.

Part of this dependency tree has not been crawled yet, so these figures are a lower bound rather than a final total.

Licenses in the dependency tree

MIT

Every license you inherit by installing jest-validate, not just its own. Check this before a legal review, not after.

Compatibility

Node.js
node ^18.14.0 || ^20.0.0 || ^22.0.0 || >=24.0.0
Module format
ESM + CommonJS
TypeScript
Types included
Install scripts
None

Quick start

A usage example from the jest-validate README.

jsFull README ↗
import {validate} from 'jest-validate';

validate(config, validationOptions); // => {hasDeprecationWarnings: boolean, isValid: boolean}

Dependencies

Declared by jest-validate v30.5.1. Runtime dependencies are installed with the package; dev dependencies are not.

Runtime (6)

@jest/get-type 30.5.0@jest/types 30.5.1camelcase ^6.3.0chalk ^4.1.2leven ^3.1.0pretty-format 30.5.1

Dev (1)

@types/yargs ^17.0.33

Used by

Popular packages that depend on jest-validate.

jest-clinpm

Delightful JavaScript Testing.

↓ 0/wk◈ 3 dependents⚖ MITTS
@jest/corenpm

Delightful JavaScript Testing.

↓ 0/wk◈ 2 dependents⚖ MITTS
jest-resolvenpm

No description provided.

↓ 0/wk◈ 9 dependents⚖ MITTS
jest-confignpm

No description provided.

↓ 0/wk◈ 2 dependents⚖ MITTS
jest-environment-nodenpm

No description provided.

↓ 0/wk◈ 6 dependents⚖ MITTS
metro-confignpm

🚇 Config parser for Metro.

↓ 0/wk◈ 4 dependents⚖ MITTS

Relationship graph

Dependencies (left) and dependents (right) of jest-validate.

pretty-format@jest/get-typelevencamelcase@jest/typesjest-cli@jest/corejest-resolvejest-configjest-environment-…metro-configjest-validate
jest-validate dependencies dependents

Frequently installed together

jest-utilnpm

This packages is a collection of utilities and helper functions

↓ 104M/wk◈ 23 dependents⚖ MITTS
@jest/typesnpm

This package contains shared types of Jest's packages.

↓ 0/wk◈ 26 dependents⚖ MITTS
slashnpm

Convert Windows backslash paths to slash paths

↓ 0/wk◈ 14 dependents⚖ MITTS
@types/nodenpm

TypeScript definitions for node

↓ 0/wk◈ 327 dependents⚖ MITTS
graceful-fsnpm

A drop-in replacement for fs, making various improvements.

↓ 0/wk◈ 24 dependents⚖ ISC
pretty-formatnpm

Stringify any JavaScript value.

↓ 0/wk◈ 20 dependents⚖ MITTS
jest-runnernpm

No description provided.

↓ 43.7M/wk◈ 2 dependents⚖ MITTS
ts-nodenpm

TypeScript execution environment and REPL for node.js, with source map support

↓ 42.2M/wk◈ 38 dependents⚖ MITTS
node-notifiernpm

A Node.js module for sending notifications on native Mac, Windows (post and pre 8) and Linux (or Growl as fallback)

↓ 3.8M/wk◈ 4 dependents⚖ MIT
jest-haste-mapnpm

`jest-haste-map` is a module used by Jest, a popular JavaScript testing framework, to create a fast lookup of files in a project. It helps Jest efficiently locate and track changes in files during testing, making it particularly useful for large projects

↓ 0/wk◈ 8 dependents⚖ MITTS
@jest/patternnpm

`@jest/pattern` is a helper library for the jest library that implements the logic for parsing and matching patterns.

↓ 0/wk◈ 4 dependents⚖ MITTS
jest-resolvenpm

No description provided.

↓ 0/wk◈ 9 dependents⚖ MITTS

Release history

18 releases in the last two years, typically about 9 days apart.

Recent versions of jest-validate
VersionPublishedSizeLicense
30.5.1latest9 days ago29 KBMIT
30.5.012 days ago29 KBMIT
30.4.14 months ago29 KBMIT
30.4.04 months ago29 KBMIT
30.3.06 months ago29 KBMIT
30.2.011 months ago32 KBMIT
30.1.01 year ago32 KBMIT
30.0.51 year ago32 KBMIT
30.0.21 year ago29 KBMIT
30.0.11 year ago29 KBMIT
30.0.01 year ago29 KBMIT
30.0.0-rc.11 year ago29 KBMIT
30.0.0-beta.81 year ago29 KBMIT
30.0.0-beta.71 year ago29 KBMIT
30.0.0-beta.61 year ago29 KBMIT

Overview

jest-validate is an npm package that generic configuration validation tool that helps you with warnings, errors and deprecation messages as well as showing users examples of correct configuration. It is extremely widely used, with about 52.7M downloads per week and 6 known dependents in the graph. The latest version is 30.5.1, released under the MIT license.

Who should use it

Teams working in the npm ecosystem who need generic configuration validation tool that helps you with warnings, errors and deprecation messages as well as showing users examples of correct configuration and value a battle-tested, widely-adopted solution.

When not to use it

Consider an alternative if you need to or if a more actively-maintained option better fits your npm stack.

Pros

  • Large, well-established user base (52.7M weekly downloads).
  • Ships TypeScript type definitions.
  • Clear open-source license (MIT).

Cons

  • No significant drawbacks detected from available metadata.

Auto-generated from collected registry metadata. No external claims are inferred.

Maintainers

aaronabramovcpojeropenjs-operationsrickhanloniisimenb

Frequently asked questions

Should I use jest-validate?

Yes — jest-validate scores well across adoption, maintenance, weight, supply chain, and licensing. 52.7M downloads per week and 6 known dependents. Last published 9 days ago. 18 releases in the last 2 years.

How do I install jest-validate?

Run `npm install jest-validate` to add jest-validate to your npm project.

How many dependencies does jest-validate have?

jest-validate declares 7 direct dependencies and pulls in 20 packages in total once its runtime tree is resolved totalling about 2.8 MB on disk.

What license is jest-validate released under?

jest-validate is distributed under the MIT license.

How popular is jest-validate?

jest-validate has approximately 52,735,774 downloads per week and 6 known dependent packages.

Is jest-validate still maintained?

The most recent release of jest-validate (v30.5.1) was published 9 days ago.

Does jest-validate run install scripts?

No. jest-validate does not define preinstall, install, or postinstall scripts, so installing it does not execute publisher-supplied code.