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Andrew ClarkandGitHub
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* Don't call idle callback unless there's time remaining * Expiration fixture Fixture that demonstrates how async work expires after a certain interval. The fixture clogs the main thread with animation work, so it only works if the `timeout` option is provided to `requestIdleCallback`. * Pass timeout option to requestIdleCallback Forces `requestIdleCallback` to fire if too much time has elapsed, even if the main thread is busy. Required to make expiration times work properly. Otherwise, async work can expire, but React never has a chance to flush it because the browser never calls into React.
51 lines
2.0 KiB
HTML
51 lines
2.0 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
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<meta name="theme-color" content="#000000">
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<!--
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manifest.json provides metadata used when your web app is added to the
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homescreen on Android. See https://developers.google.com/web/fundamentals/engage-and-retain/web-app-manifest/
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-->
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<link rel="manifest" href="%PUBLIC_URL%/manifest.json">
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<link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
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<!--
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Notice the use of %PUBLIC_URL% in the tags above.
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It will be replaced with the URL of the `public` folder during the build.
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Only files inside the `public` folder can be referenced from the HTML.
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Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
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work correctly both with client-side routing and a non-root public URL.
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Learn how to configure a non-root public URL by running `npm run build`.
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-->
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<script src="/react.development.js"></script>
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<script src="/react-dom.development.js"></script>
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<title>Expiration Example</title>
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</head>
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<body>
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<h1>Expiration Example</h1>
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<p>This fixture demonstrates expiration using the
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<code>timeout</code> option of
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<code>requestIdleCallback</code>. If it's working correctly, you should see below a number that increments approximately once every second (the expiration
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time of a low priority update.) If there is no counter, or if it increases too slowly or quickly, something is broken.
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</p>
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<noscript>
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You need to enable JavaScript to run this app.
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</noscript>
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<div id="root"></div>
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<!--
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This HTML file is a template.
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If you open it directly in the browser, you will see an empty page.
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You can add webfonts, meta tags, or analytics to this file.
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The build step will place the bundled scripts into the <body> tag.
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To begin the development, run `npm start` or `yarn start`.
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To create a production bundle, use `npm run build` or `yarn build`.
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-->
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</body>
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</html> |