jest-haste-map
npmv30.5.1TypeScript`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
Adopt with care
jest-haste-map is usable, with caveats. Pulls in 32 transitive packages, about 3.5 MB installed (at least — some of the tree is still being crawled).
- ?Adoption: grade ?, Not reported by this registry.
No download data reported for this package yet.
- AMaintenance: grade A, Excellent.
Last published 9 days ago. 20 releases in the last 2 years.
- CWeight: grade C, Fair — worth a look.
Pulls in 32 transitive packages, about 3.5 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-haste-map to a project.
Runtime packages this one declares itself.
Distinct packages in the full runtime tree, deduplicated the way a package manager would.
Unpacked size of this package plus its entire runtime tree.
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
Every license you inherit by installing jest-haste-map, 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-haste-map README.
const map = new HasteMap.default({
// options
});Dependencies
Declared by jest-haste-map v30.5.1. Runtime dependencies are installed with the package; dev dependencies are not.
Runtime (11)
Dev (4)
Used by
Popular packages that depend on jest-haste-map.
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Delightful JavaScript Testing.
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Relationship graph
Dependencies (left) and dependents (right) of jest-haste-map.
Frequently installed together
A drop-in replacement for fs, making various improvements.
This package contains shared types of Jest's packages.
This packages is a collection of utilities and helper functions
Convert Windows backslash paths to slash paths
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TypeScript definitions for node
Release history
20 releases in the last two years, typically about 5 days apart.
| Version | Published | Size | License |
|---|---|---|---|
| 30.5.1latest | 9 days ago | 156 KB | MIT |
| 30.5.0 | 12 days ago | 156 KB | MIT |
| 30.4.1 | 4 months ago | 119 KB | MIT |
| 30.4.0 | 4 months ago | 119 KB | MIT |
| 30.3.0 | 6 months ago | 120 KB | MIT |
| 30.2.0 | 11 months ago | 132 KB | MIT |
| 30.1.0 | 1 year ago | 132 KB | MIT |
| 30.0.5 | 1 year ago | 132 KB | MIT |
| 30.0.2 | 1 year ago | 120 KB | MIT |
| 30.0.1 | 1 year ago | 120 KB | MIT |
| 30.0.0 | 1 year ago | 120 KB | MIT |
| 30.0.0-rc.1 | 1 year ago | 120 KB | MIT |
| 30.0.0-beta.8 | 1 year ago | 120 KB | MIT |
| 30.0.0-beta.7 | 1 year ago | 120 KB | MIT |
| 30.0.0-beta.6 | 1 year ago | 120 KB | MIT |
Overview
jest-haste-map is an npm package that `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. It has 8 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 `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 and value a focused 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
- 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.
Frequently asked questions
Should I use jest-haste-map?
jest-haste-map is usable, with caveats. Pulls in 32 transitive packages, about 3.5 MB installed (at least — some of the tree is still being crawled).
How do I install jest-haste-map?
Run `npm install jest-haste-map` to add jest-haste-map to your npm project.
How many dependencies does jest-haste-map have?
jest-haste-map declares 15 direct dependencies and pulls in 32 packages in total once its runtime tree is resolved totalling about 3.5 MB on disk.
What license is jest-haste-map released under?
jest-haste-map is distributed under the MIT license. Its dependency tree also includes: Apache-2.0, ISC, MIT.
How popular is jest-haste-map?
npm does not publish download counts. Within PackageGraph's crawl, 8 known packages depend on jest-haste-map.
Is jest-haste-map still maintained?
The most recent release of jest-haste-map (v30.5.1) was published 9 days ago.
Does jest-haste-map run install scripts?
No. jest-haste-map does not define preinstall, install, or postinstall scripts, so installing it does not execute publisher-supplied code.