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/**
* @license React
* scheduler.native.development.js
*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
"use strict";
"production" !== process.env.NODE_ENV &&
(function () {
function performWorkUntilDeadline() {
needsPaint = !1;
if (isMessageLoopRunning) {
var currentTime = getCurrentTime();
startTime = currentTime;
var hasMoreWork = !0;
try {
a: {
isHostCallbackScheduled = !1;
isHostTimeoutScheduled &&
((isHostTimeoutScheduled = !1),
localClearTimeout(taskTimeoutID),
(taskTimeoutID = -1));
isPerformingWork = !0;
var previousPriorityLevel = currentPriorityLevel;
try {
b: {
advanceTimers(currentTime);
for (
currentTask = peek(taskQueue);
null !== currentTask &&
!(
currentTask.expirationTime > currentTime &&
shouldYieldToHost()
);
) {
var callback = currentTask.callback;
if ("function" === typeof callback) {
currentTask.callback = null;
currentPriorityLevel = currentTask.priorityLevel;
var continuationCallback = callback(
currentTask.expirationTime <= currentTime
);
currentTime = getCurrentTime();
if ("function" === typeof continuationCallback) {
currentTask.callback = continuationCallback;
advanceTimers(currentTime);
hasMoreWork = !0;
break b;
}
currentTask === peek(taskQueue) && pop(taskQueue);
advanceTimers(currentTime);
} else pop(taskQueue);
currentTask = peek(taskQueue);
}
if (null !== currentTask) hasMoreWork = !0;
else {
var firstTimer = peek(timerQueue);
null !== firstTimer &&
requestHostTimeout(
handleTimeout,
firstTimer.startTime - currentTime
);
hasMoreWork = !1;
}
}
break a;
} finally {
(currentTask = null),
(currentPriorityLevel = previousPriorityLevel),
(isPerformingWork = !1);
}
hasMoreWork = void 0;
}
} finally {
hasMoreWork
? schedulePerformWorkUntilDeadline()
: (isMessageLoopRunning = !1);
}
}
}
function push(heap, node) {
var index = heap.length;
heap.push(node);
a: for (; 0 < index; ) {
var parentIndex = (index - 1) >>> 1,
parent = heap[parentIndex];
if (0 < compare(parent, node))
(heap[parentIndex] = node),
(heap[index] = parent),
(index = parentIndex);
else break a;
}
}
function peek(heap) {
return 0 === heap.length ? null : heap[0];
}
function pop(heap) {
if (0 === heap.length) return null;
var first = heap[0],
last = heap.pop();
if (last !== first) {
heap[0] = last;
a: for (
var index = 0, length = heap.length, halfLength = length >>> 1;
index < halfLength;
) {
var leftIndex = 2 * (index + 1) - 1,
left = heap[leftIndex],
rightIndex = leftIndex + 1,
right = heap[rightIndex];
if (0 > compare(left, last))
rightIndex < length && 0 > compare(right, left)
? ((heap[index] = right),
(heap[rightIndex] = last),
(index = rightIndex))
: ((heap[index] = left),
(heap[leftIndex] = last),
(index = leftIndex));
else if (rightIndex < length && 0 > compare(right, last))
(heap[index] = right),
(heap[rightIndex] = last),
(index = rightIndex);
else break a;
}
}
return first;
}
function compare(a, b) {
var diff = a.sortIndex - b.sortIndex;
return 0 !== diff ? diff : a.id - b.id;
}
function advanceTimers(currentTime) {
for (var timer = peek(timerQueue); null !== timer; ) {
if (null === timer.callback) pop(timerQueue);
else if (timer.startTime <= currentTime)
pop(timerQueue),
(timer.sortIndex = timer.expirationTime),
push(taskQueue, timer);
else break;
timer = peek(timerQueue);
}
}
function handleTimeout(currentTime) {
isHostTimeoutScheduled = !1;
advanceTimers(currentTime);
if (!isHostCallbackScheduled)
if (null !== peek(taskQueue))
(isHostCallbackScheduled = !0),
isMessageLoopRunning ||
((isMessageLoopRunning = !0), schedulePerformWorkUntilDeadline());
else {
var firstTimer = peek(timerQueue);
null !== firstTimer &&
requestHostTimeout(
handleTimeout,
firstTimer.startTime - currentTime
);
}
}
function unstable_scheduleCallback$1(priorityLevel, callback, options) {
var currentTime = getCurrentTime();
"object" === typeof options && null !== options
? ((options = options.delay),
(options =
"number" === typeof options && 0 < options
? currentTime + options
: currentTime))
: (options = currentTime);
switch (priorityLevel) {
case 1:
var timeout = -1;
break;
case 2:
timeout = 250;
break;
case 5:
timeout = 1073741823;
break;
case 4:
timeout = 1e4;
break;
default:
timeout = 5e3;
}
timeout = options + timeout;
priorityLevel = {
id: taskIdCounter++,
callback: callback,
priorityLevel: priorityLevel,
startTime: options,
expirationTime: timeout,
sortIndex: -1
};
options > currentTime
? ((priorityLevel.sortIndex = options),
push(timerQueue, priorityLevel),
null === peek(taskQueue) &&
priorityLevel === peek(timerQueue) &&
(isHostTimeoutScheduled
? (localClearTimeout(taskTimeoutID), (taskTimeoutID = -1))
: (isHostTimeoutScheduled = !0),
requestHostTimeout(handleTimeout, options - currentTime)))
: ((priorityLevel.sortIndex = timeout),
push(taskQueue, priorityLevel),
isHostCallbackScheduled ||
isPerformingWork ||
((isHostCallbackScheduled = !0),
isMessageLoopRunning ||
((isMessageLoopRunning = !0),
schedulePerformWorkUntilDeadline())));
return priorityLevel;
}
function unstable_cancelCallback$1(task) {
task.callback = null;
}
function unstable_getCurrentPriorityLevel$1() {
return currentPriorityLevel;
}
function shouldYieldToHost() {
return needsPaint
? !0
: getCurrentTime() - startTime < frameInterval
? !1
: !0;
}
function requestPaint() {
needsPaint = !0;
}
function requestHostTimeout(callback, ms) {
taskTimeoutID = localSetTimeout(function () {
callback(getCurrentTime());
}, ms);
}
function throwNotImplemented() {
throw Error("Not implemented.");
}
if (
"object" === typeof performance &&
"function" === typeof performance.now
) {
var localPerformance = performance;
var getCurrentTime = function () {
return localPerformance.now();
};
} else {
var localDate = Date,
initialTime = localDate.now();
getCurrentTime = function () {
return localDate.now() - initialTime;
};
}
var taskQueue = [],
timerQueue = [],
taskIdCounter = 1,
currentTask = null,
currentPriorityLevel = 3,
isPerformingWork = !1,
isHostCallbackScheduled = !1,
isHostTimeoutScheduled = !1,
needsPaint = !1,
localSetTimeout = "function" === typeof setTimeout ? setTimeout : null,
localClearTimeout =
"function" === typeof clearTimeout ? clearTimeout : null,
localSetImmediate =
"undefined" !== typeof setImmediate ? setImmediate : null,
isMessageLoopRunning = !1,
taskTimeoutID = -1,
frameInterval = 5,
startTime = -1;
if ("function" === typeof localSetImmediate)
var schedulePerformWorkUntilDeadline = function () {
localSetImmediate(performWorkUntilDeadline);
};
else if ("undefined" !== typeof MessageChannel) {
var channel = new MessageChannel(),
port = channel.port2;
channel.port1.onmessage = performWorkUntilDeadline;
schedulePerformWorkUntilDeadline = function () {
port.postMessage(null);
};
} else
schedulePerformWorkUntilDeadline = function () {
localSetTimeout(performWorkUntilDeadline, 0);
};
channel =
"undefined" !== typeof nativeRuntimeScheduler
? nativeRuntimeScheduler.unstable_UserBlockingPriority
: 2;
var unstable_NormalPriority =
"undefined" !== typeof nativeRuntimeScheduler
? nativeRuntimeScheduler.unstable_NormalPriority
: 3,
unstable_LowPriority =
"undefined" !== typeof nativeRuntimeScheduler
? nativeRuntimeScheduler.unstable_LowPriority
: 4,
unstable_ImmediatePriority =
"undefined" !== typeof nativeRuntimeScheduler
? nativeRuntimeScheduler.unstable_ImmediatePriority
: 1,
unstable_scheduleCallback =
"undefined" !== typeof nativeRuntimeScheduler
? nativeRuntimeScheduler.unstable_scheduleCallback
: unstable_scheduleCallback$1,
unstable_cancelCallback =
"undefined" !== typeof nativeRuntimeScheduler
? nativeRuntimeScheduler.unstable_cancelCallback
: unstable_cancelCallback$1,
unstable_getCurrentPriorityLevel =
"undefined" !== typeof nativeRuntimeScheduler
? nativeRuntimeScheduler.unstable_getCurrentPriorityLevel
: unstable_getCurrentPriorityLevel$1,
unstable_shouldYield =
"undefined" !== typeof nativeRuntimeScheduler
? nativeRuntimeScheduler.unstable_shouldYield
: shouldYieldToHost,
unstable_requestPaint =
"undefined" !== typeof nativeRuntimeScheduler
? nativeRuntimeScheduler.unstable_requestPaint
: requestPaint,
unstable_now =
"undefined" !== typeof nativeRuntimeScheduler
? nativeRuntimeScheduler.unstable_now
: getCurrentTime;
exports.unstable_IdlePriority =
"undefined" !== typeof nativeRuntimeScheduler
? nativeRuntimeScheduler.unstable_IdlePriority
: 5;
exports.unstable_ImmediatePriority = unstable_ImmediatePriority;
exports.unstable_LowPriority = unstable_LowPriority;
exports.unstable_NormalPriority = unstable_NormalPriority;
exports.unstable_Profiling = null;
exports.unstable_UserBlockingPriority = channel;
exports.unstable_cancelCallback = unstable_cancelCallback;
exports.unstable_forceFrameRate = throwNotImplemented;
exports.unstable_getCurrentPriorityLevel = unstable_getCurrentPriorityLevel;
exports.unstable_next = throwNotImplemented;
exports.unstable_now = unstable_now;
exports.unstable_requestPaint = unstable_requestPaint;
exports.unstable_runWithPriority = throwNotImplemented;
exports.unstable_scheduleCallback = unstable_scheduleCallback;
exports.unstable_shouldYield = unstable_shouldYield;
exports.unstable_wrapCallback = throwNotImplemented;
})();
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