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act-dom.html — react Source File

Architecture documentation for act-dom.html, a html file in the react codebase.

Entity Profile

Source Code

<!DOCTYPE html>
<html>
  <head>
    <title>sanity test for ReactTestUtils.act</title>
  </head>
  <body>
    this page tests whether act runs properly in a browser.
    <br />
    your console should say "5"
    <script src="scheduler-unstable_mock.development.js"></script>
    <script src="react.development.js"></script>
    <script type="text/javascript">
      window.React.__CLIENT_INTERNALS_DO_NOT_USE_OR_WARN_USERS_THEY_CANNOT_UPGRADE.Scheduler =
        window.SchedulerMock;
    </script>
    <script src="react-dom.development.js"></script>
    <script src="react-dom-test-utils.development.js"></script>
    <script>
      // from ReactTestUtilsAct-test.js
      function App() {
        let [state, setState] = React.useState(0);
        async function ticker() {
          await null;
          setState(x => x + 1);
        }
        React.useEffect(() => {
          ticker();
        }, [Math.min(state, 4)]);
        return state;
      }

      async function testAsyncAct() {
        const el = document.createElement("div");
        await ReactTestUtils.act(async () => {
          ReactDOM.render(React.createElement(App), el);
        });
        // all 5 ticks present and accounted for
        console.log(el.innerHTML);
      }

      testAsyncAct();
    </script>
  </body>
</html>

Frequently Asked Questions

What does act-dom.html do?
act-dom.html is a source file in the react codebase, written in html.
Where is act-dom.html in the architecture?
act-dom.html is located at fixtures/dom/public/act-dom.html (directory: fixtures/dom/public).

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