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Check for truthiness of alternate

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This is unfortunate since we agreed on using the `null | Fiber`
convention instead of `?Fiber` but haven't upgraded yet and this
is the pattern I've been using everywhere else so far.
This commit is contained in:
Sebastian Markbage
2016-09-13 15:26:48 -07:00
parent 0ca1cea26a
commit f3a2dc252e
1 changed files with 2 additions and 2 deletions
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src/renderers/shared/fiber/ReactFiberBeginWork.js
+2 -2
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@@ -121,7 +121,7 @@ module.exports = function<T, P, I, C>(config : HostConfig<T, P, I, C>, getSchedu
fiber.updateQueue = updateQueue;
// Schedule update on the alternate as well, since we don't know which tree
// is current.
if (fiber.alternate !== null) {
if (fiber.alternate) {
fiber.alternate.updateQueue = updateQueue;
}
while (true) {
@@ -129,7 +129,7 @@ module.exports = function<T, P, I, C>(config : HostConfig<T, P, I, C>, getSchedu
fiber.pendingWorkPriority >= priorityLevel) {
fiber.pendingWorkPriority = priorityLevel;
}
if (fiber.alternate !== null) {
if (fiber.alternate) {
if (fiber.alternate.pendingWorkPriority === NoWork ||
fiber.alternate.pendingWorkPriority >= priorityLevel) {
fiber.alternate.pendingWorkPriority = priorityLevel;