Registry / testing / jest-slow-test-highlighter

jest-slow-test-highlighter

library1.0.2jsnpmunverified

A custom Jest reporter that identifies and reports on the slowest running tests in your test suite. Current stable version is 1.0.2. Release cadence is low, single maintainer. Key differentiator: simple configuration with maxTests and slowSeconds options, integrates seamlessly as a Jest reporter. No major updates since initial release.

testing

npm install jest-slow-test-highlighter

github ↗package ↗

INSTALL

IMPORT

SIG · JEST-SLOW-TEST-HIG

jest-slow-test-highlighter

testingjavascriptv1.0.2

Install

—

Import

—

Disk

—

Pass rate

0/ 6

Env Coverage0 / 6

glibc

18–22

musl

18–22

Install & Compatibility

Where this runs

tested against v? · npm install

Install × environment matrix

Each cell = how many times install + import succeeded across repeated harness runs. Partial = flaky.
glibc = Debian/Ubuntu slim · musl = Alpine Linux

musl

node 18–226 runs

build_error

glibc

node 18–226 runs

build_error

Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

jest-slow-test-highlighter

✓ Added to jest config: reporters: ['default', 'jest-slow-test-highlighter']

✗ Using require() in test file: const reporter = require('jest-slow-test-highlighter')

This is a Jest reporter, not imported in test files. Add to jest.config.js reporters array.

Installs the package and configures Jest to use the reporter with custom settings.

npm install jest-slow-test-highlighter --save-dev // jest.config.js module.exports = { reporters: [ 'default', ['jest-slow-test-highlighter', { maxTests: 5, slowSeconds: 2 }] ] };

Debug

Known issues

gotchaRequires Jest version ^30.1.3; incompatible with older Jest versions.

fix

Upgrade Jest to ^30.1.3 or later.

affects: 1.0.0 - 1.0.2

Errors

Common errors & fixes

TypeError: reporters[1] is not a function or string

Misconfigured reporters array; reporter is not found or wrong format.

fix

Ensure reporters array uses correct string or tuple format: ['jest-slow-test-highlighter', {...}]

Upgrade

Version history

1.0.2latest on npm

Audit

Dependencies

jestrequiredPeer dependency; version ^30.1.3 required

Agent activity

4 hits · last 30 days

node

Resources

githubhttps://github.com/Neizan93/jest-slow-test-highlighter ↗

packagehttps://www.npmjs.com/package/jest-slow-test-highlighter ↗