Function getNextLanes

docs/index.js:4106–4146

(root, wipLanes)

  }
}
function getNextLanes(root, wipLanes) {
  var pendingLanes = root.pendingLanes;
  if (0 === pendingLanes) return 0;
  var nextLanes = 0,
    suspendedLanes = root.suspendedLanes,
    pingedLanes = root.pingedLanes,
    warmLanes = root.warmLanes;
  root = 0 !== root.finishedLanes;
  var nonIdlePendingLanes = pendingLanes & 134217727;
  0 !== nonIdlePendingLanes
    ? ((pendingLanes = nonIdlePendingLanes & ~suspendedLanes),
      0 !== pendingLanes
        ? (nextLanes = getHighestPriorityLanes(pendingLanes))
        : ((pingedLanes &= nonIdlePendingLanes),
          0 !== pingedLanes
            ? (nextLanes = getHighestPriorityLanes(pingedLanes))
            : root ||
              ((warmLanes = nonIdlePendingLanes & ~warmLanes),
              0 !== warmLanes &&
                (nextLanes = getHighestPriorityLanes(warmLanes)))))
    : ((nonIdlePendingLanes = pendingLanes & ~suspendedLanes),
      0 !== nonIdlePendingLanes
        ? (nextLanes = getHighestPriorityLanes(nonIdlePendingLanes))
        : 0 !== pingedLanes
          ? (nextLanes = getHighestPriorityLanes(pingedLanes))
          : root ||
            ((warmLanes = pendingLanes & ~warmLanes),
            0 !== warmLanes &&
              (nextLanes = getHighestPriorityLanes(warmLanes))));
  return 0 === nextLanes
    ? 0
    : 0 !== wipLanes &&
        wipLanes !== nextLanes &&
        0 === (wipLanes & suspendedLanes) &&
        ((suspendedLanes = nextLanes & -nextLanes),
        (warmLanes = wipLanes & -wipLanes),
        suspendedLanes >= warmLanes ||
          (32 === suspendedLanes && 0 !== (warmLanes & 4194176)))
      ? wipLanes
      : nextLanes;
}
function checkIfRootIsPrerendering(root, renderLanes) {
  return (
    0 ===