| 1 | /**
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| 2 | * @license React
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| 3 | * scheduler-unstable_mock.development.js
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| 4 | *
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| 5 | * Copyright (c) Meta Platforms, Inc. and affiliates.
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| 6 | *
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| 7 | * This source code is licensed under the MIT license found in the
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| 8 | * LICENSE file in the root directory of this source tree.
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| 9 | */
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| 10 |
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| 11 | "use strict";
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| 12 | "production" !== process.env.NODE_ENV &&
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| 13 | (function () {
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| 14 | function push(heap, node) {
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| 15 | var index = heap.length;
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| 16 | heap.push(node);
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| 17 | a: for (; 0 < index; ) {
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| 18 | var parentIndex = (index - 1) >>> 1,
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| 19 | parent = heap[parentIndex];
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| 20 | if (0 < compare(parent, node))
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| 21 | (heap[parentIndex] = node),
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| 22 | (heap[index] = parent),
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| 23 | (index = parentIndex);
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| 24 | else break a;
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| 25 | }
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| 26 | }
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| 27 | function peek(heap) {
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| 28 | return 0 === heap.length ? null : heap[0];
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| 29 | }
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| 30 | function pop(heap) {
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| 31 | if (0 === heap.length) return null;
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| 32 | var first = heap[0],
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| 33 | last = heap.pop();
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| 34 | if (last !== first) {
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| 35 | heap[0] = last;
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| 36 | a: for (
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| 37 | var index = 0, length = heap.length, halfLength = length >>> 1;
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| 38 | index < halfLength;
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| 39 |
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| 40 | ) {
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| 41 | var leftIndex = 2 * (index + 1) - 1,
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| 42 | left = heap[leftIndex],
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| 43 | rightIndex = leftIndex + 1,
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| 44 | right = heap[rightIndex];
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| 45 | if (0 > compare(left, last))
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| 46 | rightIndex < length && 0 > compare(right, left)
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| 47 | ? ((heap[index] = right),
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| 48 | (heap[rightIndex] = last),
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| 49 | (index = rightIndex))
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| 50 | : ((heap[index] = left),
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| 51 | (heap[leftIndex] = last),
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| 52 | (index = leftIndex));
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| 53 | else if (rightIndex < length && 0 > compare(right, last))
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| 54 | (heap[index] = right),
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| 55 | (heap[rightIndex] = last),
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| 56 | (index = rightIndex);
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| 57 | else break a;
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| 58 | }
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| 59 | }
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| 60 | return first;
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| 61 | }
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| 62 | function compare(a, b) {
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| 63 | var diff = a.sortIndex - b.sortIndex;
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| 64 | return 0 !== diff ? diff : a.id - b.id;
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| 65 | }
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| 66 | function advanceTimers(currentTime) {
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| 67 | for (var timer = peek(timerQueue); null !== timer; ) {
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| 68 | if (null === timer.callback) pop(timerQueue);
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| 69 | else if (timer.startTime <= currentTime)
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| 70 | pop(timerQueue),
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| 71 | (timer.sortIndex = timer.expirationTime),
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| 72 | push(taskQueue, timer);
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| 73 | else break;
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| 74 | timer = peek(timerQueue);
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| 75 | }
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| 76 | }
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| 77 | function handleTimeout(currentTime) {
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| 78 | isHostTimeoutScheduled = !1;
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| 79 | advanceTimers(currentTime);
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| 80 | if (!isHostCallbackScheduled)
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| 81 | if (null !== peek(taskQueue))
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| 82 | (isHostCallbackScheduled = !0), (scheduledCallback = flushWork);
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| 83 | else {
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| 84 | var firstTimer = peek(timerQueue);
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| 85 | null !== firstTimer &&
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| 86 | ((currentTime = firstTimer.startTime - currentTime),
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| 87 | (scheduledTimeout = handleTimeout),
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| 88 | (timeoutTime = currentMockTime + currentTime));
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| 89 | }
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| 90 | }
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| 91 | function flushWork(hasTimeRemaining, initialTime) {
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| 92 | isHostCallbackScheduled = !1;
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| 93 | isHostTimeoutScheduled &&
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| 94 | ((isHostTimeoutScheduled = !1),
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| 95 | (scheduledTimeout = null),
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| 96 | (timeoutTime = -1));
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| 97 | isPerformingWork = !0;
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| 98 | var previousPriorityLevel = currentPriorityLevel;
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| 99 | try {
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| 100 | a: {
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| 101 | advanceTimers(initialTime);
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| 102 | for (
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| 103 | currentTask = peek(taskQueue);
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| 104 | null !== currentTask &&
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| 105 | (!(currentTask.expirationTime > initialTime) ||
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| 106 | (hasTimeRemaining && !shouldYieldToHost()));
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| 107 |
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| 108 | ) {
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| 109 | var callback = currentTask.callback;
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| 110 | if ("function" === typeof callback) {
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| 111 | currentTask.callback = null;
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| 112 | currentPriorityLevel = currentTask.priorityLevel;
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| 113 | var continuationCallback = callback(
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| 114 | currentTask.expirationTime <= initialTime
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| 115 | );
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| 116 | initialTime = currentMockTime;
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| 117 | if ("function" === typeof continuationCallback) {
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| 118 | if (
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| 119 | ((currentTask.callback = continuationCallback),
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| 120 | advanceTimers(initialTime),
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| 121 | shouldYieldForPaint)
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| 122 | ) {
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| 123 | var JSCompiler_inline_result = (needsPaint = !0);
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| 124 | break a;
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| 125 | }
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| 126 | } else
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| 127 | currentTask === peek(taskQueue) && pop(taskQueue),
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| 128 | advanceTimers(initialTime);
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| 129 | } else pop(taskQueue);
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| 130 | currentTask = peek(taskQueue);
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| 131 | }
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| 132 | if (null !== currentTask) JSCompiler_inline_result = !0;
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| 133 | else {
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| 134 | var firstTimer = peek(timerQueue);
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| 135 | if (null !== firstTimer) {
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| 136 | var ms = firstTimer.startTime - initialTime;
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| 137 | scheduledTimeout = handleTimeout;
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| 138 | timeoutTime = currentMockTime + ms;
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| 139 | }
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| 140 | JSCompiler_inline_result = !1;
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| 141 | }
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| 142 | }
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| 143 | return JSCompiler_inline_result;
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| 144 | } finally {
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| 145 | (currentTask = null),
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| 146 | (currentPriorityLevel = previousPriorityLevel),
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| 147 | (isPerformingWork = !1);
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| 148 | }
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| 149 | }
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| 150 | function shouldYieldToHost() {
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| 151 | return (0 === expectedNumberOfYields && null === yieldedValues) ||
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| 152 | (-1 !== expectedNumberOfYields &&
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| 153 | null !== yieldedValues &&
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| 154 | yieldedValues.length >= expectedNumberOfYields) ||
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| 155 | (shouldYieldForPaint && needsPaint)
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| 156 | ? (didStop = !0)
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| 157 | : !1;
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| 158 | }
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| 159 | function unstable_flushAllWithoutAsserting() {
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| 160 | if (isFlushing) throw Error("Already flushing work.");
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| 161 | if (null !== scheduledCallback) {
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| 162 | var cb = scheduledCallback;
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| 163 | isFlushing = !0;
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| 164 | try {
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| 165 | var hasMoreWork = !0;
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| 166 | do hasMoreWork = cb(!0, currentMockTime);
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| 167 | while (hasMoreWork);
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| 168 | hasMoreWork || (scheduledCallback = null);
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| 169 | return !0;
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| 170 | } finally {
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| 171 | isFlushing = !1;
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| 172 | }
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| 173 | } else return !1;
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| 174 | }
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| 175 | var taskQueue = [],
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| 176 | timerQueue = [],
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| 177 | taskIdCounter = 1,
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| 178 | currentTask = null,
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| 179 | currentPriorityLevel = 3,
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| 180 | isPerformingWork = !1,
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| 181 | isHostCallbackScheduled = !1,
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| 182 | isHostTimeoutScheduled = !1,
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| 183 | currentMockTime = 0,
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| 184 | scheduledCallback = null,
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| 185 | scheduledTimeout = null,
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| 186 | timeoutTime = -1,
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| 187 | yieldedValues = null,
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| 188 | expectedNumberOfYields = -1,
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| 189 | didStop = !1,
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| 190 | isFlushing = !1,
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| 191 | needsPaint = !1,
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| 192 | shouldYieldForPaint = !1,
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| 193 | disableYieldValue = !1;
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| 194 | exports.log = function (value) {
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| 195 | "disabledLog" === console.log.name ||
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| 196 | disableYieldValue ||
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| 197 | (null === yieldedValues
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| 198 | ? (yieldedValues = [value])
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| 199 | : yieldedValues.push(value));
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| 200 | };
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| 201 | exports.reset = function () {
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| 202 | if (isFlushing) throw Error("Cannot reset while already flushing work.");
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| 203 | currentMockTime = 0;
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| 204 | scheduledTimeout = scheduledCallback = null;
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| 205 | timeoutTime = -1;
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| 206 | yieldedValues = null;
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| 207 | expectedNumberOfYields = -1;
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| 208 | needsPaint = isFlushing = didStop = !1;
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| 209 | };
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| 210 | exports.unstable_IdlePriority = 5;
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| 211 | exports.unstable_ImmediatePriority = 1;
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| 212 | exports.unstable_LowPriority = 4;
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| 213 | exports.unstable_NormalPriority = 3;
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| 214 | exports.unstable_Profiling = null;
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| 215 | exports.unstable_UserBlockingPriority = 2;
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| 216 | exports.unstable_advanceTime = function (ms) {
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| 217 | "disabledLog" === console.log.name ||
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| 218 | disableYieldValue ||
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| 219 | ((currentMockTime += ms),
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| 220 | null !== scheduledTimeout &&
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| 221 | timeoutTime <= currentMockTime &&
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| 222 | (scheduledTimeout(currentMockTime),
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| 223 | (timeoutTime = -1),
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| 224 | (scheduledTimeout = null)));
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| 225 | };
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| 226 | exports.unstable_cancelCallback = function (task) {
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| 227 | task.callback = null;
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| 228 | };
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| 229 | exports.unstable_clearLog = function () {
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| 230 | if (null === yieldedValues) return [];
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| 231 | var values = yieldedValues;
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| 232 | yieldedValues = null;
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| 233 | return values;
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| 234 | };
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| 235 | exports.unstable_flushAll = function () {
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| 236 | if (null !== yieldedValues)
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| 237 | throw Error(
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| 238 | "Log is not empty. Assert on the log of yielded values before flushing additional work."
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| 239 | );
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| 240 | unstable_flushAllWithoutAsserting();
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| 241 | if (null !== yieldedValues)
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| 242 | throw Error(
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| 243 | "While flushing work, something yielded a value. Use an assertion helper to assert on the log of yielded values, e.g. expect(Scheduler).toFlushAndYield([...])"
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| 244 | );
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| 245 | };
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| 246 | exports.unstable_flushAllWithoutAsserting =
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| 247 | unstable_flushAllWithoutAsserting;
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| 248 | exports.unstable_flushExpired = function () {
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| 249 | if (isFlushing) throw Error("Already flushing work.");
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| 250 | if (null !== scheduledCallback) {
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| 251 | isFlushing = !0;
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| 252 | try {
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| 253 | scheduledCallback(!1, currentMockTime) || (scheduledCallback = null);
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| 254 | } finally {
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| 255 | isFlushing = !1;
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| 256 | }
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| 257 | }
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| 258 | };
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| 259 | exports.unstable_flushNumberOfYields = function (count) {
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| 260 | if (isFlushing) throw Error("Already flushing work.");
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| 261 | if (null !== scheduledCallback) {
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| 262 | var cb = scheduledCallback;
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| 263 | expectedNumberOfYields = count;
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| 264 | isFlushing = !0;
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| 265 | try {
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| 266 | count = !0;
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| 267 | do count = cb(!0, currentMockTime);
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| 268 | while (count && !didStop);
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| 269 | count || (scheduledCallback = null);
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| 270 | } finally {
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| 271 | (expectedNumberOfYields = -1), (isFlushing = didStop = !1);
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| 272 | }
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| 273 | }
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| 274 | };
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| 275 | exports.unstable_flushUntilNextPaint = function () {
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| 276 | if (isFlushing) throw Error("Already flushing work.");
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| 277 | if (null !== scheduledCallback) {
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| 278 | var cb = scheduledCallback;
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| 279 | shouldYieldForPaint = !0;
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| 280 | needsPaint = !1;
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| 281 | isFlushing = !0;
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| 282 | try {
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| 283 | var hasMoreWork = !0;
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| 284 | do hasMoreWork = cb(!0, currentMockTime);
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| 285 | while (hasMoreWork && !didStop);
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| 286 | hasMoreWork || (scheduledCallback = null);
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| 287 | } finally {
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| 288 | isFlushing = didStop = shouldYieldForPaint = !1;
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| 289 | }
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| 290 | }
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| 291 | return !1;
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| 292 | };
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| 293 | exports.unstable_forceFrameRate = function () {};
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| 294 | exports.unstable_getCurrentPriorityLevel = function () {
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| 295 | return currentPriorityLevel;
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| 296 | };
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| 297 | exports.unstable_hasPendingWork = function () {
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| 298 | return null !== scheduledCallback;
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| 299 | };
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| 300 | exports.unstable_next = function (eventHandler) {
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| 301 | switch (currentPriorityLevel) {
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| 302 | case 1:
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| 303 | case 2:
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| 304 | case 3:
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| 305 | var priorityLevel = 3;
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| 306 | break;
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| 307 | default:
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| 308 | priorityLevel = currentPriorityLevel;
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| 309 | }
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| 310 | var previousPriorityLevel = currentPriorityLevel;
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| 311 | currentPriorityLevel = priorityLevel;
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| 312 | try {
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| 313 | return eventHandler();
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| 314 | } finally {
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| 315 | currentPriorityLevel = previousPriorityLevel;
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| 316 | }
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| 317 | };
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| 318 | exports.unstable_now = function () {
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| 319 | return currentMockTime;
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| 320 | };
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| 321 | exports.unstable_requestPaint = function () {
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| 322 | needsPaint = !0;
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| 323 | };
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| 324 | exports.unstable_runWithPriority = function (priorityLevel, eventHandler) {
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| 325 | switch (priorityLevel) {
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| 326 | case 1:
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| 327 | case 2:
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| 328 | case 3:
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| 329 | case 4:
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| 330 | case 5:
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| 331 | break;
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| 332 | default:
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| 333 | priorityLevel = 3;
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| 334 | }
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| 335 | var previousPriorityLevel = currentPriorityLevel;
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| 336 | currentPriorityLevel = priorityLevel;
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| 337 | try {
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| 338 | return eventHandler();
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| 339 | } finally {
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| 340 | currentPriorityLevel = previousPriorityLevel;
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| 341 | }
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| 342 | };
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| 343 | exports.unstable_scheduleCallback = function (
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| 344 | priorityLevel,
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| 345 | callback,
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| 346 | options
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| 347 | ) {
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| 348 | var currentTime = currentMockTime;
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| 349 | "object" === typeof options && null !== options
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| 350 | ? ((options = options.delay),
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| 351 | (options =
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| 352 | "number" === typeof options && 0 < options
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| 353 | ? currentTime + options
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| 354 | : currentTime))
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| 355 | : (options = currentTime);
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| 356 | switch (priorityLevel) {
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| 357 | case 1:
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| 358 | var timeout = -1;
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| 359 | break;
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| 360 | case 2:
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| 361 | timeout = 250;
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| 362 | break;
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| 363 | case 5:
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| 364 | timeout = 1073741823;
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| 365 | break;
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| 366 | case 4:
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| 367 | timeout = 1e4;
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| 368 | break;
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| 369 | default:
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| 370 | timeout = 5e3;
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| 371 | }
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| 372 | timeout = options + timeout;
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| 373 | priorityLevel = {
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| 374 | id: taskIdCounter++,
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| 375 | callback: callback,
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| 376 | priorityLevel: priorityLevel,
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| 377 | startTime: options,
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| 378 | expirationTime: timeout,
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| 379 | sortIndex: -1
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| 380 | };
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| 381 | options > currentTime
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| 382 | ? ((priorityLevel.sortIndex = options),
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| 383 | push(timerQueue, priorityLevel),
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| 384 | null === peek(taskQueue) &&
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| 385 | priorityLevel === peek(timerQueue) &&
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| 386 | (isHostTimeoutScheduled
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| 387 | ? ((scheduledTimeout = null), (timeoutTime = -1))
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| 388 | : (isHostTimeoutScheduled = !0),
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| 389 | (scheduledTimeout = handleTimeout),
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| 390 | (timeoutTime = currentMockTime + (options - currentTime))))
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| 391 | : ((priorityLevel.sortIndex = timeout),
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| 392 | push(taskQueue, priorityLevel),
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| 393 | isHostCallbackScheduled ||
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| 394 | isPerformingWork ||
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| 395 | ((isHostCallbackScheduled = !0), (scheduledCallback = flushWork)));
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| 396 | return priorityLevel;
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| 397 | };
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| 398 | exports.unstable_setDisableYieldValue = function (newValue) {
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| 399 | disableYieldValue = newValue;
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| 400 | };
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| 401 | exports.unstable_shouldYield = shouldYieldToHost;
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| 402 | exports.unstable_wrapCallback = function (callback) {
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| 403 | var parentPriorityLevel = currentPriorityLevel;
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| 404 | return function () {
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| 405 | var previousPriorityLevel = currentPriorityLevel;
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| 406 | currentPriorityLevel = parentPriorityLevel;
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| 407 | try {
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| 408 | return callback.apply(this, arguments);
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| 409 | } finally {
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| 410 | currentPriorityLevel = previousPriorityLevel;
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| 411 | }
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| 412 | };
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| 413 | };
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| 414 | })();
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