Function workLoop

code/styling/public/app.js:13251–13263

(isAsync)

  }

  function workLoop(isAsync) {
    if (!isAsync) {
      // Flush all expired work.
      while (nextUnitOfWork !== null) {
        nextUnitOfWork = performUnitOfWork(nextUnitOfWork);
      }
    } else {
      // Flush asynchronous work until the deadline runs out of time.
      while (nextUnitOfWork !== null && !shouldYield()) {
        nextUnitOfWork = performUnitOfWork(nextUnitOfWork);
      }
    }
  }

  function renderRoot(root, expirationTime, isAsync) {
    !!isWorking ? invariant(false, 'renderRoot was called recursively. This error is likely caused by a bug in React. Please file an issue.') : void 0;