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| "use strict"; |
| 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; |
| } |
| var getCurrentTime; |
| if ("object" === typeof performance && "function" === typeof performance.now) { |
| var localPerformance = performance; |
| 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; |
| 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; |
| } |
| var isMessageLoopRunning = !1, |
| taskTimeoutID = -1, |
| startTime = -1; |
| function shouldYieldToHost() { |
| return needsPaint ? !0 : 5 > getCurrentTime() - startTime ? !1 : !0; |
| } |
| function requestPaint() { |
| needsPaint = !0; |
| } |
| 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); |
| } |
| } |
| } |
| var schedulePerformWorkUntilDeadline; |
| if ("function" === typeof localSetImmediate) |
| 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); |
| }; |
| function requestHostTimeout(callback, ms) { |
| taskTimeoutID = localSetTimeout(function () { |
| callback(getCurrentTime()); |
| }, ms); |
| } |
| var unstable_UserBlockingPriority = |
| "undefined" !== typeof nativeRuntimeScheduler |
| ? nativeRuntimeScheduler.unstable_UserBlockingPriority |
| : 2, |
| 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; |
| function throwNotImplemented() { |
| throw Error("Not implemented."); |
| } |
| 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 = unstable_UserBlockingPriority; |
| 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; |
|
|