Function act

packages/react-dom/src/test-utils/ReactTestUtils.js:13–23

(callback)

let didWarnAboutUsingAct = false;
export function act(callback) {
  if (didWarnAboutUsingAct === false) {
    didWarnAboutUsingAct = true;
    console.error(
      '`ReactDOMTestUtils.act` is deprecated in favor of `React.act`. ' +
        'Import `act` from `react` instead of `react-dom/test-utils`. ' +
        'See https://react.dev/warnings/react-dom-test-utils for more info.',
    );
  }
  return React.act(callback);
}