Function performSyncWorkOnRoot

docs/index.js:14987–14990

(root, lanes)

    : null;
}
function performSyncWorkOnRoot(root, lanes) {
  if (flushPassiveEffects()) return null;
  performWorkOnRoot(root, lanes, !0);
}
function scheduleImmediateTask(cb) {
  scheduleMicrotask(function () {
    0 !== (executionContext & 6)