Function startWorkTimer

docs/external/js/react-dom.development.js:10511–10526

(fiber)

    }
  }
  function startWorkTimer(fiber) {
    {
      if (!supportsUserTiming || shouldIgnoreFiber(fiber)) {
        return;
      } // If we pause, this is the fiber to unwind from.


      currentFiber = fiber;

      if (!beginFiberMark(fiber, null)) {
        return;
      }

      fiber._debugIsCurrentlyTiming = true;
    }
  }
  function cancelWorkTimer(fiber) {
    {
      if (!supportsUserTiming || shouldIgnoreFiber(fiber)) {