Add preconnect and prefetchDNS to rendering-stub (#26265)
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@ -18,6 +18,8 @@ export {default as __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED} from './s
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export {
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createPortal,
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flushSync,
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prefetchDNS,
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preconnect,
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preload,
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preinit,
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} from './src/server/ReactDOMServerRenderingStub';
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@ -53,6 +53,18 @@ describe('react-dom-server-rendering-stub', () => {
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);
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});
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it('provides preconnect and prefetchDNS exports', async () => {
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function App() {
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ReactDOM.preconnect('foo', {crossOrigin: 'use-credentials'});
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ReactDOM.prefetchDNS('bar');
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return <div>foo</div>;
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}
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const html = ReactDOMFizzServer.renderToString(<App />);
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expect(html).toEqual(
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'<link rel="preconnect" href="foo" crossorigin="use-credentials"/><link href="bar" rel="dns-prefetch"/><div>foo</div>',
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);
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});
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it('provides a stub for createPortal', async () => {
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expect(() => {
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ReactDOM.createPortal();
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@ -7,7 +7,12 @@
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* @flow
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*/
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export {preinit, preload} from 'react-dom-bindings/src/shared/ReactDOMFloat';
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export {
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preinit,
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preload,
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preconnect,
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prefetchDNS,
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} from 'react-dom-bindings/src/shared/ReactDOMFloat';
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export function createPortal() {
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throw new Error(
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