Function createContainer

packages/react-devtools-shell/src/app/index.js:52–58

()

const unmountFunctions: Array<() => void | boolean> = [];

function createContainer() {
  const container = document.createElement('div');

  ((document.body: any): HTMLBodyElement).appendChild(container);

  return container;
}

function mountApp(App: () => React$Node) {
  const container = createContainer();