jest-serializer(latest: 27.5.1) Module for serializing and deserializing object into memory and disk. By default, the `v8` implementations are used, but if not present, it defaults to `JSON` implementation. Both serializers have the advantage of being able to serialize `Map`, `Set`, `un
jest-changed-files(latest: 29.2.0) A module used internally by Jest to check which files have changed since you last committed in git or hg.
babel-preset-jest(latest: 29.2.0) > Babel preset for all Jest plugins. This preset is automatically included when using [babel-jest](https://github.com/facebook/jest/tree/main/packages/babel-jest).
babel-plugin-jest-hoist(latest: 29.2.0) 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/facebook/jest/tree/main/packages/babel-jest)
jest-get-type(latest: 29.2.0) A utility function to get the type of a value
jest-docblock(latest: 29.2.0) `jest-docblock` is a package that can extract and parse a specially-formatted comment called a "docblock" at the top of a file.
babel-jest(latest: 29.3.1) Jest plugin to use babel for transformation.
jest-validate(latest: 29.3.1) Generic configuration validation tool that helps you with warnings, errors and deprecation messages as well as showing users examples of correct configuration.
jest-leak-detector(latest: 29.3.1) Module for verifying whether an object has been garbage collected or not.
expect(latest: 29.3.1) 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).
jest-diff(latest: 29.3.1) Display differences clearly so people can review changes confidently.
jest-matcher-utils(latest: 29.3.1) A set of utility functions for expect and related packages
jest-each(latest: 29.3.1) Parameterised tests for Jest
jest-mock(latest: 29.6.0) **Note:** More details on user side API can be found in [Jest documentation](https://jestjs.io/docs/mock-function-api).
jest-worker(latest: 29.6.1) Module for executing heavy tasks under forked processes in parallel, by providing a `Promise` based interface, minimum overhead, and bound workers.