mirror of
https://github.com/facebook/react.git
synced 2026-02-23 20:23:02 +00:00
d5c11193e2
* Added profiling bundle * Turned profiling on for React Fabric OSS profiling and dev bundles * Added new global var "__PROFILE__" for profiling DCE
55 lines
1.8 KiB
JavaScript
55 lines
1.8 KiB
JavaScript
/* eslint-disable */
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const NODE_ENV = process.env.NODE_ENV;
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if (NODE_ENV !== 'development' && NODE_ENV !== 'production') {
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throw new Error('NODE_ENV must either be set to development or production.');
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}
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global.__DEV__ = NODE_ENV === 'development';
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global.__PROFILE__ = NODE_ENV === 'development';
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global.requestAnimationFrame = function(callback) {
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setTimeout(callback);
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};
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global.requestIdleCallback = function(callback) {
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return setTimeout(() => {
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callback({
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timeRemaining() {
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return Infinity;
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},
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});
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});
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};
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global.cancelIdleCallback = function(callbackID) {
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clearTimeout(callbackID);
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};
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// By default React console.error()'s any errors, caught or uncaught.
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// However it is annoying to assert that a warning fired each time
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// we assert that there is an exception in our tests. This lets us
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// opt out of extra console error reporting for most tests except
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// for the few that specifically test the logging by shadowing this
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// property. In real apps, it would usually not be defined at all.
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Error.prototype.suppressReactErrorLogging = true;
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if (typeof window !== 'undefined') {
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// Same as above.
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DOMException.prototype.suppressReactErrorLogging = true;
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// Also prevent JSDOM from logging intentionally thrown errors.
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// TODO: it might make sense to do it the other way around.
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// https://github.com/facebook/react/issues/11098#issuecomment-355032539
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window.addEventListener('error', event => {
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if (event.error != null && event.error.suppressReactErrorLogging) {
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event.preventDefault();
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}
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});
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}
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// Preserve the empty object identity across module resets.
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// This is needed for some tests that rely on string refs
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// but reset modules between loading different renderers.
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const obj = require.requireActual('fbjs/lib/emptyObject');
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jest.mock('fbjs/lib/emptyObject', () => obj);
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