React 深度学习：ReactCore—其他

ReactCurrentOwner

packages/react/src/ReactCurrentOwner.js

import type {Fiber} from 'react-reconciler/src/ReactFiber';

/**
 * 跟踪当前 owner。
 *
 * The current owner is the component who should own any components that are
 * currently being constructed.
 * 当前所有者是应该拥有当前正在构建的任何组件的组件。
 */
const ReactCurrentOwner = {
  /**
   * @internal
   * @type {ReactComponent}
   */
  current: (null: null | Fiber),
};

export default ReactCurrentOwner;