Function updateSimpleMemoComponent

docs/external/js/react-dom.development.js:17053–17108

(current, workInProgress, Component, nextProps, updateExpirationTime, renderExpirationTime)

  }

  function updateSimpleMemoComponent(current, workInProgress, Component, nextProps, updateExpirationTime, renderExpirationTime) {
    // TODO: current can be non-null here even if the component
    // hasn't yet mounted. This happens when the inner render suspends.
    // We'll need to figure out if this is fine or can cause issues.
    {
      if (workInProgress.type !== workInProgress.elementType) {
        // Lazy component props can't be validated in createElement
        // because they're only guaranteed to be resolved here.
        var outerMemoType = workInProgress.elementType;

        if (outerMemoType.$$typeof === REACT_LAZY_TYPE) {
          // We warn when you define propTypes on lazy()
          // so let's just skip over it to find memo() outer wrapper.
          // Inner props for memo are validated later.
          outerMemoType = refineResolvedLazyComponent(outerMemoType);
        }

        var outerPropTypes = outerMemoType && outerMemoType.propTypes;

        if (outerPropTypes) {
          checkPropTypes_1(outerPropTypes, nextProps, // Resolved (SimpleMemoComponent has no defaultProps)
          'prop', getComponentName(outerMemoType), getCurrentFiberStackInDev);
        } // Inner propTypes will be validated in the function component path.

      }
    }

    if (current !== null) {
      var prevProps = current.memoizedProps;

      if (shallowEqual(prevProps, nextProps) && current.ref === workInProgress.ref && ( // Prevent bailout if the implementation changed due to hot reload.
       workInProgress.type === current.type )) {
        didReceiveUpdate = false;

        if (updateExpirationTime < renderExpirationTime) {
          // The pending update priority was cleared at the beginning of
          // beginWork. We're about to bail out, but there might be additional
          // updates at a lower priority. Usually, the priority level of the
          // remaining updates is accumlated during the evaluation of the
          // component (i.e. when processing the update queue). But since since
          // we're bailing out early *without* evaluating the component, we need
          // to account for it here, too. Reset to the value of the current fiber.
          // NOTE: This only applies to SimpleMemoComponent, not MemoComponent,
          // because a MemoComponent fiber does not have hooks or an update queue;
          // rather, it wraps around an inner component, which may or may not
          // contains hooks.
          // TODO: Move the reset at in beginWork out of the common path so that
          // this is no longer necessary.
          workInProgress.expirationTime = current.expirationTime;
          return bailoutOnAlreadyFinishedWork(current, workInProgress, renderExpirationTime);
        }
      }
    }

    return updateFunctionComponent(current, workInProgress, Component, nextProps, renderExpirationTime);
  }

  function updateFragment(current, workInProgress, renderExpirationTime) {