Function updateMemo

docs/external/js/react-dom.development.js:15582–15601

(nextCreate, deps)

  }

  function updateMemo(nextCreate, deps) {
    var hook = updateWorkInProgressHook();
    var nextDeps = deps === undefined ? null : deps;
    var prevState = hook.memoizedState;

    if (prevState !== null) {
      // Assume these are defined. If they're not, areHookInputsEqual will warn.
      if (nextDeps !== null) {
        var prevDeps = prevState[1];

        if (areHookInputsEqual(nextDeps, prevDeps)) {
          return prevState[0];
        }
      }
    }

    var nextValue = nextCreate();
    hook.memoizedState = [nextValue, nextDeps];
    return nextValue;
  }

  function mountDeferredValue(value, config) {
    var _mountState = mountState(value),