Function legacyRender

packages/react-devtools-shared/src/__tests__/utils.js:349–365

(elements, container)

}

export function legacyRender(elements, container) {
  if (container == null) {
    container = document.createElement('div');
  }

  const ReactDOM = require('react-dom');
  withErrorsOrWarningsIgnored(
    ['ReactDOM.render has not been supported since React 18'],
    () => {
      ReactDOM.render(elements, container);
    },
  );

  return () => {
    ReactDOM.unmountComponentAtNode(container);
  };
}

export function requireTestRenderer(): ReactTestRenderer {
  let hook;