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expo-constants

npmv57.0.17TypeScript

Provides system information that remains constant throughout the lifetime of your app.

Safe to adopt

Yes — expo-constants scores well across adoption, maintenance, weight, supply chain, and licensing. No download data reported for this package yet. Last published 8 days ago. 50 releases in the last 2 years.

  • ?Adoption: grade ?, Not reported by this registry.

    No download data reported for this package yet.

  • AMaintenance: grade A, Excellent.

    Last published 8 days ago. 50 releases in the last 2 years.

  • AWeight: grade A, Excellent.

    Pulls in 5 transitive packages, about 277 KB installed (at least — some of the tree is still being crawled).

  • ASupply chain: grade A, Excellent.

    No install scripts, 16 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 expo-constants to a project.

1
Direct dependencies

Runtime packages this one declares itself.

5
Total installed

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

277 KB
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 expo-constants, not just its own. Check this before a legal review, not after.

Compatibility

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

expo-constants vs the alternatives

Packages solving a similar problem in the npm ecosystem, compared on the signals that drive an adoption decision.

PackageWeekly downloadsDependentsLicenseLast release
expo-constantsthis page06MIT8 days ago
@expo/config9.1M5MIT1 day ago
expo-file-system8.4M1MIT1 day ago
@expo/dom-webview02MIT1 day ago
@expo/local-build-cache-provider01MIT1 day ago
babel-preset-expo01MIT1 day ago

Dependencies

Declared by expo-constants v57.0.17. Runtime dependencies are installed with the package; dev dependencies are not.

Runtime (1)

@expo/env ~2.4.3

Peer (2)

expo *react-native *

Dev (5)

@types/node ^22.14.0expo 57.0.19expo-manifests 57.0.1expo-module-scripts 56.0.3expo-updates 57.0.20

Used by

Popular packages that depend on expo-constants.

exponpm

The Expo SDK

↓ 0/wk◈ 18 dependents⚖ MITTS
expo-assetnpm

An Expo universal module to download assets and pass them into other APIs

↓ 0/wk◈ 1 dependents⚖ MITTS
@expo/metro-runtimenpm

Tools for making advanced Metro bundler features work

↓ 0/wk◈ 3 dependents⚖ MITTS
@expo/router-servernpm

Expo Router is a file-based router for React Native and web applications.

↓ 0/wk◈ 1 dependents⚖ MITTS
expo-routernpm

Expo Router is a file-based router for React Native and web applications.

↓ 0/wk◈ 2 dependents⚖ MITTS
expo-linkingnpm

Create and open deep links universally

↓ 0/wk◈ 1 dependents⚖ MITTS

Relationship graph

Dependencies (left) and dependents (right) of expo-constants.

@expo/envexporeact-nativeexpo-asset@expo/metro-runti…@expo/router-serv…expo-routerexpo-linkingexpo-constants
expo-constants dependencies dependents

Frequently installed together

exponpm

The Expo SDK

↓ 0/wk◈ 18 dependents⚖ MITTS
reactnpm

React is a JavaScript library for building user interfaces.

↓ 152.8M/wk◈ 82 dependents⚖ MIT
react-nativenpm

A framework for building native apps using React

↓ 0/wk◈ 30 dependents⚖ MIT
react-domnpm

React package for working with the DOM.

↓ 143.7M/wk◈ 47 dependents⚖ MIT
@expo/metro-runtimenpm

Tools for making advanced Metro bundler features work

↓ 0/wk◈ 3 dependents⚖ MITTS
@types/reactnpm

TypeScript definitions for react

↓ 0/wk◈ 71 dependents⚖ MITTS
@expo/log-boxnpm

Error overlay for universal Expo apps.

↓ 0/wk◈ 4 dependents⚖ MIT
@types/nodenpm

TypeScript definitions for node

↓ 0/wk◈ 327 dependents⚖ MITTS
@expo/dom-webviewnpm

A WebView specifically designed for Expo DOM components

↓ 0/wk◈ 2 dependents⚖ MITTS
react-native-webnpm

React Native for Web

↓ 0/wk◈ 4 dependents⚖ MIT
react-server-dom-webpacknpm

React Server Components bindings for DOM using Webpack. This is intended to be integrated into meta-frameworks. It is not intended to be imported directly.

↓ 0/wk◈ 2 dependents⚖ MIT
react-native-screensnpm

Native navigation primitives for your React Native app.

↓ 0/wk◈ 1 dependents⚖ MITTS

Release history

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

Recent versions of expo-constants
VersionPublishedSizeLicense
58.0.0-canary-20260902-26df09e7 days ago105 KBMIT
58.0.0-canary-20260901-2164f248 days ago105 KBMIT
57.0.17latest8 days ago133 KBMIT
57.0.1612 days ago133 KBMIT
56.0.2512 days ago132 KBMIT
57.0.1514 days ago133 KBMIT
57.0.1417 days ago133 KBMIT
57.0.1320 days ago133 KBMIT
18.0.1423 days ago126 KBMIT
56.0.2423 days ago132 KBMIT
57.0.1223 days ago133 KBMIT
57.0.1126 days ago133 KBMIT
58.0.0-canary-20260812-27f94d428 days ago104 KBMIT
57.0.101 month ago133 KBMIT
58.0.0-canary-20260806-8c2d0071 month ago104 KBMIT

Overview

expo-constants is an npm package that provides system information that remains constant throughout the lifetime of your app. It has 6 known dependents in the graph. The latest version is 57.0.17, released under the MIT license.

Who should use it

Teams working in the npm ecosystem who need provides system information that remains constant throughout the lifetime of your app 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.

Maintainers

alanhughesbrentvatnebycedricccheeveresamelsonexpo-botexpoadminexponentidejesseruderkudochienphilplsjchmielaterriblebentsapetawschurman

Keywords

constantsexporeact-native

Frequently asked questions

Should I use expo-constants?

Yes — expo-constants scores well across adoption, maintenance, weight, supply chain, and licensing. No download data reported for this package yet. Last published 8 days ago. 50 releases in the last 2 years.

How do I install expo-constants?

Run `npm install expo-constants` to add expo-constants to your npm project.

How many dependencies does expo-constants have?

expo-constants declares 8 direct dependencies and pulls in 5 packages in total once its runtime tree is resolved totalling about 277 KB on disk.

What license is expo-constants released under?

expo-constants is distributed under the MIT license.

How popular is expo-constants?

npm does not publish download counts. Within PackageGraph's crawl, 6 known packages depend on expo-constants.

Is expo-constants still maintained?

The most recent release of expo-constants (v57.0.17) was published 8 days ago.

Does expo-constants run install scripts?

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