openjs-operations

jest

Delightful JavaScript Testing.

expect

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).

babel-jest

Jest plugin to use babel for transformation.

jest-cli

Delightful JavaScript Testing.

pretty-format

Stringify any JavaScript value.

jest-util

This packages is a collection of utilities and helper functions

babel-preset-jest

> Babel preset for all Jest plugins. This preset is automatically included when using [babel-jest](https://github.com/jestjs/jest/tree/main/packages/babel-jest).

babel-plugin-jest-hoist

Babel plugin to hoist `jest.disableAutomock`, `jest.enableAutomock`, `jest.unmock`, `jest.mock`, calls above `import` statements. This plugin is automatically included when using [babel-jest](https://github.com/jestjs/jest/tree/main/packages/babel-jest).

jest-mock

**Note:** More details on user side API can be found in [Jest documentation](https://jestjs.io/docs/mock-function-api).

jest-changed-files

A module used internally by Jest to check which files have changed since you last committed in git or hg.

jest-diff

Display differences clearly so people can review changes confidently.

jest-matcher-utils

A set of utility functions for expect and related packages

jest-phabricator

This Repo contains the testResultsProcessor needed to create the coverage map needed by Phabricator to show inline coverage at diff time.

jest-validate

Generic configuration validation tool that helps you with warnings, errors and deprecation messages as well as showing users examples of correct configuration.