</>PackageGraphPackageGraph

expect

npmv30.5.1TypeScript

This package exports the `expect` function used in [Jest](https://jestjs.io/). You can find its documentation [on Jest's website](https://jestjs.io/docs/expect).

Adopt with care

expect is usable, with caveats. Pulls in 35 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. 24 releases in the last 2 years.

  • CWeight: grade C, Fair — worth a look.

    Pulls in 35 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 expect to a project.

6
Direct dependencies

Runtime packages this one declares itself.

35
Total installed

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

3.5 MB
Install size

Unpacked size of this package plus its entire runtime tree.

4
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

ISCMIT

Every license you inherit by installing expect, 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

Dependencies

Declared by expect v30.5.1. Runtime dependencies are installed with the package; dev dependencies are not.

Runtime (6)

@jest/expect-utils 30.5.1@jest/get-type 30.5.0jest-matcher-utils 30.5.1jest-message-util 30.5.1jest-mock 30.5.1jest-util 30.5.1

Dev (4)

@fast-check/jest ^2.1.1@jest/test-utils 30.5.1chalk ^4.1.2immutable ^5.1.2

Used by

Popular packages that depend on expect.

@testing-library/jest-domnpm

Custom jest matchers to test the state of the DOM

↓ 56M/wk◈ 6 dependents⚖ MITTS
axobject-querynpm

Programmatic access to information about the AXObject Model

↓ 51.8M/wk◈ 1 dependents⚖ Apache-2.0
ts-nodenpm

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

↓ 42.2M/wk◈ 38 dependents⚖ MITTS
@testing-library/user-eventnpm

Fire events the same way the user does

↓ 35.3M/wk◈ 4 dependents⚖ MITTS
parse-node-versionnpm

Turn node's process.version into something useful.

↓ 0/wk◈ 1 dependents⚖ MIT
rechoirnpm

Prepare a node environment to require files with different extensions.

↓ 0/wk◈ 1 dependents⚖ MIT
@jest/expectnpm

This package extends `expect` library with `jest-snapshot` matchers. It exports `jestExpect` object, which can be used as standalone replacement of `expect`.

↓ 0/wk◈ 2 dependents⚖ MITTS
@expo/clinpm

The Expo CLI

↓ 0/wk◈ 2 dependents⚖ MIT
jest-snapshotnpm

No description provided.

↓ 0/wk◈ 7 dependents⚖ MITTS
glob-parentnpm

Extract the non-magic parent path from a glob string.

↓ 0/wk◈ 2 dependents⚖ ISC
fdirnpm

The fastest directory crawler & globbing alternative to glob, fast-glob, & tiny-glob. Crawls 1m files in < 1s

↓ 0/wk◈ 3 dependents⚖ MITTS

Relationship graph

Dependencies (left) and dependents (right) of expect.

jest-mockjest-util@jest/get-typejest-message-util@jest/expect-utilsjest-matcher-utils@testing-library/…axobject-queryts-node@testing-library/…parse-node-versionrechoir@jest/expect@expo/clijest-snapshotglob-parentfdirexpect
expect dependencies dependents

Frequently installed together

exponpm

The Expo SDK

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

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

↓ 0/wk◈ 2 dependents⚖ MITTS
pretty-formatnpm

Stringify any JavaScript value.

↓ 0/wk◈ 20 dependents⚖ MITTS
semvernpm

The semantic version parser used by npm.

↓ 0/wk◈ 55 dependents⚖ ISC
@types/nodenpm

TypeScript definitions for node

↓ 0/wk◈ 327 dependents⚖ MITTS
jest-matcher-utilsnpm

A set of utility functions for expect and related packages

↓ 0/wk◈ 6 dependents⚖ MITTS
@jest/globalsnpm

No description provided.

↓ 0/wk◈ 7 dependents⚖ MITTS
picomatchnpm

Blazing fast and accurate glob matcher written in JavaScript, with no dependencies and full support for standard and extended Bash glob features, including braces, extglobs, POSIX brackets, and regular expressions.

↓ 0/wk◈ 13 dependents⚖ MIT
globnpm

the most correct and second fastest glob implementation in JavaScript

↓ 0/wk◈ 35 dependents⚖ BlueOak-1.0.0TS
argnpm

Unopinionated, no-frills CLI argument parser

↓ 0/wk◈ 3 dependents⚖ MITTS
zodnpm

TypeScript-first schema declaration and validation library with static type inference

↓ 246.7M/wk◈ 13 dependents⚖ MITTS
sendnpm

Better streaming static file server with Range and conditional-GET support

↓ 127.6M/wk◈ 3 dependents⚖ MIT

Release history

24 releases in the last two years, typically about 6 days apart.

Recent versions of expect
VersionPublishedSizeLicense
30.5.1latest9 days ago125 KBMIT
30.5.012 days ago125 KBMIT
30.4.14 months ago128 KBMIT
30.4.04 months ago128 KBMIT
30.3.06 months ago128 KBMIT
30.2.011 months ago144 KBMIT
30.1.21 year ago144 KBMIT
30.1.11 year ago144 KBMIT
30.1.01 year ago144 KBMIT
30.0.51 year ago144 KBMIT
30.0.41 year ago143 KBMIT
30.0.31 year ago143 KBMIT
30.0.21 year ago128 KBMIT
30.0.11 year ago128 KBMIT
30.0.01 year ago128 KBMIT

Overview

expect is an npm package that this package exports the `expect` function used in [Jest](https://jestjs.io/). You can find its documentation [on Jest's website](https://jestjs.io/docs/expect). It has 11 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 this package exports the `expect` function used in [Jest](https://jestjs.io/). You can find its documentation [on Jest's website](https://jestjs.io/docs/expect) 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

aaronabramovcpojeropenjs-operationsrickhanloniisimenb

Frequently asked questions

Should I use expect?

expect is usable, with caveats. Pulls in 35 transitive packages, about 3.5 MB installed (at least — some of the tree is still being crawled).

How do I install expect?

Run `npm install expect` to add expect to your npm project.

How many dependencies does expect have?

expect declares 10 direct dependencies and pulls in 35 packages in total once its runtime tree is resolved totalling about 3.5 MB on disk.

What license is expect released under?

expect is distributed under the MIT license. Its dependency tree also includes: ISC, MIT.

How popular is expect?

npm does not publish download counts. Within PackageGraph's crawl, 11 known packages depend on expect.

Is expect still maintained?

The most recent release of expect (v30.5.1) was published 9 days ago.

Does expect run install scripts?

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