Function pushComponentStack

packages/react-server/src/ReactFizzServer.js:1066–1108

(task: Task)

}

function pushComponentStack(task: Task): void {
  const node = task.node;
  // Create the Component Stack frame for the element we're about to try.
  // It's unfortunate that we need to do this refinement twice. Once for
  // the stack frame and then once again while actually
  if (typeof node === 'object' && node !== null) {
    switch ((node: any).$$typeof) {
      case REACT_ELEMENT_TYPE: {
        const element: any = node;
        const type = element.type;
        const owner = __DEV__ ? element._owner : null;
        const stack = __DEV__ ? element._debugStack : null;
        if (__DEV__) {
          pushServerComponentStack(task, element._debugInfo);
          task.debugTask = element._debugTask;
        }
        task.componentStack = createComponentStackFromType(
          task.componentStack,
          type,
          owner,
          stack,
        );
        break;
      }
      case REACT_LAZY_TYPE: {
        if (__DEV__) {
          const lazyNode: LazyComponentType<any, any> = (node: any);
          pushServerComponentStack(task, lazyNode._debugInfo);
        }
        break;
      }
      default: {
        if (__DEV__) {
          const maybeUsable: Object = node;
          if (typeof maybeUsable.then === 'function') {
            const thenable: Thenable<ReactNodeList> = (maybeUsable: any);
            pushServerComponentStack(task, thenable._debugInfo);
          }
        }
      }
    }
  }
}

function createComponentStackFromType(
  parent: null | ComponentStackNode,