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undici-types

npmv8.10.2TypeScript

A stand-alone types package for Undici

Safe to adopt

Yes — undici-types scores well across adoption, maintenance, weight, supply chain, and licensing. 284M downloads per week and 3 known dependents. Last published 5 days ago. 50 releases in the last 2 years.

  • AAdoption: grade A, Excellent.

    284M downloads per week and 3 known dependents.

  • AMaintenance: grade A, Excellent.

    Last published 5 days ago. 50 releases in the last 2 years.

  • AWeight: grade A, Excellent.

    Zero runtime dependencies, about 120 KB installed.

  • ASupply chain: grade A, Excellent.

    No install scripts, 2 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 undici-types to a project.

0
Direct dependencies

Runtime packages this one declares itself.

0
Total installed

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

120 KB
Install size

Unpacked size of this package plus its entire runtime tree.

—
Tree depth

Longest resolved dependency chain below this package.

Compatibility

Node.js
No constraint declared
Module format
CommonJS only
TypeScript
Types included
Install scripts
None

Used by

Popular packages that depend on undici-types.

@types/nodenpm

TypeScript definitions for node

↓ 0/wk◈ 327 dependents⚖ MITTS
gaxiosnpm

A simple common HTTP client specifically for Google APIs and services.

↓ 0/wk◈ 1 dependents⚖ Apache-2.0TS
fetch-nodeshimnpm

A Node.js fetch shim using built-in Request, Response, and Headers (but without native fetch)

↓ 0/wk◈ 2 dependents⚖ MITTS

Relationship graph

Dependencies (left) and dependents (right) of undici-types.

@types/nodegaxiosfetch-nodeshimundici-types
undici-types dependencies dependents

Frequently installed together

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↓ 0/wk◈ 327 dependents⚖ MITTS
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extendnpm

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webpacknpm

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@types/corsnpm

TypeScript definitions for cors

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is-dockernpm

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vitestnpm

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form-datanpm

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Release history

50 releases in the last two years, typically about 2 days apart.

Recent versions of undici-types
VersionPublishedSizeLicense
6.28.15 days ago83 KBMIT
7.29.15 days ago116 KBMIT
8.10.2latest5 days ago120 KBMIT
8.10.19 days ago120 KBMIT
8.10.01 month ago119 KBMIT
6.28.01 month ago83 KBMIT
7.29.01 month ago116 KBMIT
8.9.01 month ago118 KBMIT
8.8.01 month ago118 KBMIT
8.7.02 months ago117 KBMIT
8.6.02 months ago117 KBMIT
6.27.02 months ago83 KBMIT
7.28.02 months ago116 KBMIT
8.5.02 months ago116 KBMIT
8.4.13 months ago116 KBMIT

Overview

undici-types is an npm package that a stand-alone types package for Undici. It is extremely widely used, with about 284M downloads per week and 3 known dependents in the graph. The latest version is 8.10.2, released under the MIT license.

Who should use it

Teams working in the npm ecosystem who need a stand-alone types package for Undici 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 (284M weekly downloads).
  • Ships TypeScript type definitions.
  • Clear open-source license (MIT).
  • Zero runtime dependencies — minimal footprint.

Cons

  • No significant drawbacks detected from available metadata.

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

Maintainers

ethan_arrowoodmatteo.collina

Frequently asked questions

Should I use undici-types?

Yes — undici-types scores well across adoption, maintenance, weight, supply chain, and licensing. 284M downloads per week and 3 known dependents. Last published 5 days ago. 50 releases in the last 2 years.

How do I install undici-types?

Run `npm install undici-types` to add undici-types to your npm project.

What license is undici-types released under?

undici-types is distributed under the MIT license.

How popular is undici-types?

undici-types has approximately 283,958,317 downloads per week and 3 known dependent packages.

Is undici-types still maintained?

The most recent release of undici-types (v8.10.2) was published 5 days ago.

Does undici-types run install scripts?

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