'use strict'; // We want to globally mock this but jest doesn't let us do that by default // for a file that already exists. So we have to explicitly mock it. jest.mock('ReactDOMFeatureFlags', () => { const flags = require.requireActual('ReactDOMFeatureFlags'); return Object.assign({}, flags, { useFiber: false, }); }); jest.mock('ReactNativeFeatureFlags', () => { const flags = require.requireActual('ReactNativeFeatureFlags'); return Object.assign({}, flags, { useFiber: false, }); }); // Error logging varies between Fiber and Stack; // Rather than fork dozens of tests, mock the error-logging file by default. jest.mock('ReactFiberErrorLogger');