fs-syncer

file-fixture-factory

Declaratively create real file system fixtures in Node.js

neodx

A collection of frontend-focused tools aimed at enhancing your development experience

inline-fixture-files

A utility to write filesystem fixtures inline.

cli-testing-library

Small but powerful library for testing CLI the way it is used by people.

snapshot-fixtures

Snapshot fixtures for node:test

to-mock

The to-mock module help you with creating mocked classes and objects

expect-type

Compile-time tests for types. Useful to make sure types don't regress into being overly-permissiv...

dts-jest

A preprocessor for Jest to snapshot test TypeScript declaration (.d.ts) files

connect-four