/*! * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ 'use strict'; const spyOn = jest.spyOn; // Spying on console methods in production builds can mask errors. // This is why we added an explicit spyOnDev() helper. // It's too easy to accidentally use the more familiar spyOn() helper though, // So we disable it entirely. // Spying on both dev and prod will require using both spyOnDev() and spyOnProd(). global.spyOn = function () { throw new Error('Do not use spyOn(). ' + 'It can accidentally hide unexpected errors in production builds. ' + 'Use spyOnDev(), spyOnProd(), or spyOnDevAndProd() instead.'); }; global.spyOnDev = function (...args) { if (__DEV__) { return spyOn(...args); } }; global.spyOnDevAndProd = spyOn; global.spyOnProd = function (...args) { if (!__DEV__) { return spyOn(...args); } }; ({ ...('../matchers/reactTestMatchers' |> require(%)), ...('../matchers/toThrow' |> require(%)), ...('../matchers/toWarnDev' |> require(%)) }) |> expect.extend(%);