Function create

packages/tests/utils.js:57–83

(el: React.Element<*>)

};

export const create = (el: React.Element<*>) => {
  const container = document.createElement("div");
  const root = createRoot(container);
  let instance = null;

  function render(element) {
    flushSync(() => {
      root.render(
        React.cloneElement(element, {
          ref: (r) => {
            instance = r;
          },
        })
      );
    });
  }

  render(el);

  return {
    getInstance: () => instance,
    update: (newEl) => render(newEl),
    unmount: () => {
      flushSync(() => root.unmount());
    },
  };
};

type SurfaceCounters = {
  onSurfaceDrawEnd: number,