Function act

packages/react-devtools-shared/src/__tests__/utils.js:67–92

(
  callback: Function,
  recursivelyFlush: boolean = true,
)

}

export function act(
  callback: Function,
  recursivelyFlush: boolean = true,
): void {
  // act from react-test-renderer has some side effects on React DevTools
  // it injects the renderer for DevTools, see ReactTestRenderer.js
  const actTestRenderer = getActTestRendererImplementation();
  const actDOM = getActDOMImplementation();

  actDOM(() => {
    actTestRenderer(() => {
      callback();
    });
  });

  if (recursivelyFlush) {
    // Flush Bridge operations
    while (jest.getTimerCount() > 0) {
      actDOM(() => {
        actTestRenderer(() => {
          jest.runAllTimers();
        });
      });
    }
  }
}

export async function actAsync(
  cb: () => *,