npm install --save @types/jest
This package contains type definitions for Jest (https://jestjs.io/).
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/jest.
afterAll, afterEach, beforeAll, beforeEach, describe, expect, fail, fdescribe, fit, it, jasmine, jest, pending, spyOn, test, xdescribe, xit, xtestThese definitions were written by Asana (https://asana.com)
// Ivo Stratev (https://github.com/NoHomey), jwbay (https://github.com/jwbay), Alexey Svetliakov (https://github.com/asvetliakov), Alex Jover Morales (https://github.com/alexjoverm), Allan Lukwago (https://github.com/epicallan), Ika (https://github.com/ikatyang), Waseem Dahman (https://github.com/wsmd), Jamie Mason (https://github.com/JamieMason), Douglas Duteil (https://github.com/douglasduteil), Ahn (https://github.com/ahnpnl), Josh Goldberg (https://github.com/joshuakgoldberg), Jeff Lau (https://github.com/UselessPickles), Andrew Makarov (https://github.com/r3nya), Martin Hochel (https://github.com/hotell), Sebastian Sebald (https://github.com/sebald), Andy (https://github.com/andys8), Antoine Brault (https://github.com/antoinebrault), Jeroen Claassens (https://github.com/favna), Gregor Stamać (https://github.com/gstamac), ExE Boss (https://github.com/ExE-Boss), Alex Bolenok (https://github.com/quassnoi), Mario Beltrán Alarcón (https://github.com/Belco90), Tony Hallett (https://github.com/tonyhallett), Jason Yu (https://github.com/ycmjason), and Devansh Jethmalani (https://github.com/devanshj).