/home/mrjunejune/zenbu: third_party/bun/node_modules/scheduler/cjs/scheduler.development.js comparison

comparison third_party/bun/node_modules/scheduler/cjs/scheduler.development.js @ 12:de54585a40f1

Adding bun and node modules.

author	June Park <parkjune1995@gmail.com>
date	Thu, 02 Oct 2025 14:39:48 -0700
parents
children

comparison

equal deleted inserted replaced

-:f33d9ff8b6e8
+:de54585a40f1
+/**
+* @license React
+* scheduler.development.js
+*
+* Copyright (c) Facebook, Inc. and its 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';
+if (process.env.NODE_ENV !== "production") {
+(function() {
+'use strict';
+/* global __REACT_DEVTOOLS_GLOBAL_HOOK__ */
+if (
+typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ !== 'undefined' &&
+typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStart ===
+'function'
+) {
+__REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStart(new Error());
+}
+var enableSchedulerDebugging = false;
+var enableProfiling = false;
+var frameYieldMs = 5;
+function push(heap, node) {
+var index = heap.length;
+heap.push(node);
+siftUp(heap, node, index);
+}
+function peek(heap) {
+return heap.length === 0 ? null : heap[0];
+}
+function pop(heap) {
+if (heap.length === 0) {
+return null;
+}
+var first = heap[0];
+var last = heap.pop();
+if (last !== first) {
+heap[0] = last;
+siftDown(heap, last, 0);
+}
+return first;
+}
+function siftUp(heap, node, i) {
+var index = i;
+while (index > 0) {
+var parentIndex = index - 1 >>> 1;
+var parent = heap[parentIndex];
+if (compare(parent, node) > 0) {
+// The parent is larger. Swap positions.
+heap[parentIndex] = node;
+heap[index] = parent;
+index = parentIndex;
+} else {
+// The parent is smaller. Exit.
+return;
+}
+}
+}
+function siftDown(heap, node, i) {
+var index = i;
+var length = heap.length;
+var halfLength = length >>> 1;
+while (index < halfLength) {
+var leftIndex = (index + 1) * 2 - 1;
+var left = heap[leftIndex];
+var rightIndex = leftIndex + 1;
+var right = heap[rightIndex]; // If the left or right node is smaller, swap with the smaller of those.
+if (compare(left, node) < 0) {
+if (rightIndex < length && compare(right, left) < 0) {
+heap[index] = right;
+heap[rightIndex] = node;
+index = rightIndex;
+} else {
+heap[index] = left;
+heap[leftIndex] = node;
+index = leftIndex;
+}
+} else if (rightIndex < length && compare(right, node) < 0) {
+heap[index] = right;
+heap[rightIndex] = node;
+index = rightIndex;
+} else {
+// Neither child is smaller. Exit.
+return;
+}
+}
+}
+function compare(a, b) {
+// Compare sort index first, then task id.
+var diff = a.sortIndex - b.sortIndex;
+return diff !== 0 ? diff : a.id - b.id;
+}
+// TODO: Use symbols?
+var ImmediatePriority = 1;
+var UserBlockingPriority = 2;
+var NormalPriority = 3;
+var LowPriority = 4;
+var IdlePriority = 5;
+function markTaskErrored(task, ms) {
+}
+/* eslint-disable no-var */
+var hasPerformanceNow = typeof performance === 'object' && typeof performance.now === 'function';
+if (hasPerformanceNow) {
+var localPerformance = performance;
+exports.unstable_now = function () {
+return localPerformance.now();
+};
+} else {
+var localDate = Date;
+var initialTime = localDate.now();
+exports.unstable_now = function () {
+return localDate.now() - initialTime;
+};
+} // Max 31 bit integer. The max integer size in V8 for 32-bit systems.
+// Math.pow(2, 30) - 1
+// 0b111111111111111111111111111111
+var maxSigned31BitInt = 1073741823; // Times out immediately
+var IMMEDIATE_PRIORITY_TIMEOUT = -1; // Eventually times out
+var USER_BLOCKING_PRIORITY_TIMEOUT = 250;
+var NORMAL_PRIORITY_TIMEOUT = 5000;
+var LOW_PRIORITY_TIMEOUT = 10000; // Never times out
+var IDLE_PRIORITY_TIMEOUT = maxSigned31BitInt; // Tasks are stored on a min heap
+var taskQueue = [];
+var timerQueue = []; // Incrementing id counter. Used to maintain insertion order.
+var taskIdCounter = 1; // Pausing the scheduler is useful for debugging.
+var currentTask = null;
+var currentPriorityLevel = NormalPriority; // This is set while performing work, to prevent re-entrance.
+var isPerformingWork = false;
+var isHostCallbackScheduled = false;
+var isHostTimeoutScheduled = false; // Capture local references to native APIs, in case a polyfill overrides them.
+var localSetTimeout = typeof setTimeout === 'function' ? setTimeout : null;
+var localClearTimeout = typeof clearTimeout === 'function' ? clearTimeout : null;
+var localSetImmediate = typeof setImmediate !== 'undefined' ? setImmediate : null; // IE and Node.js + jsdom
+var isInputPending = typeof navigator !== 'undefined' && navigator.scheduling !== undefined && navigator.scheduling.isInputPending !== undefined ? navigator.scheduling.isInputPending.bind(navigator.scheduling) : null;
+function advanceTimers(currentTime) {
+// Check for tasks that are no longer delayed and add them to the queue.
+var timer = peek(timerQueue);
+while (timer !== null) {
+if (timer.callback === null) {
+// Timer was cancelled.
+pop(timerQueue);
+} else if (timer.startTime <= currentTime) {
+// Timer fired. Transfer to the task queue.
+pop(timerQueue);
+timer.sortIndex = timer.expirationTime;
+push(taskQueue, timer);
+} else {
+// Remaining timers are pending.
+return;
+}
+timer = peek(timerQueue);
+}
+}
+function handleTimeout(currentTime) {
+isHostTimeoutScheduled = false;
+advanceTimers(currentTime);
+if (!isHostCallbackScheduled) {
+if (peek(taskQueue) !== null) {
+isHostCallbackScheduled = true;
+requestHostCallback(flushWork);
+} else {
+var firstTimer = peek(timerQueue);
+if (firstTimer !== null) {
+requestHostTimeout(handleTimeout, firstTimer.startTime - currentTime);
+}
+}
+}
+}
+function flushWork(hasTimeRemaining, initialTime) {
+isHostCallbackScheduled = false;
+if (isHostTimeoutScheduled) {
+// We scheduled a timeout but it's no longer needed. Cancel it.
+isHostTimeoutScheduled = false;
+cancelHostTimeout();
+}
+isPerformingWork = true;
+var previousPriorityLevel = currentPriorityLevel;
+try {
+if (enableProfiling) {
+try {
+return workLoop(hasTimeRemaining, initialTime);
+} catch (error) {
+if (currentTask !== null) {
+var currentTime = exports.unstable_now();
+markTaskErrored(currentTask, currentTime);
+currentTask.isQueued = false;
+}
+throw error;
+}
+} else {
+// No catch in prod code path.
+return workLoop(hasTimeRemaining, initialTime);
+}
+} finally {
+currentTask = null;
+currentPriorityLevel = previousPriorityLevel;
+isPerformingWork = false;
+}
+}
+function workLoop(hasTimeRemaining, initialTime) {
+var currentTime = initialTime;
+advanceTimers(currentTime);
+currentTask = peek(taskQueue);
+while (currentTask !== null && !(enableSchedulerDebugging )) {
+if (currentTask.expirationTime > currentTime && (!hasTimeRemaining || shouldYieldToHost())) {
+// This currentTask hasn't expired, and we've reached the deadline.
+break;
+}
+var callback = currentTask.callback;
+if (typeof callback === 'function') {
+currentTask.callback = null;
+currentPriorityLevel = currentTask.priorityLevel;
+var didUserCallbackTimeout = currentTask.expirationTime <= currentTime;
+var continuationCallback = callback(didUserCallbackTimeout);
+currentTime = exports.unstable_now();
+if (typeof continuationCallback === 'function') {
+currentTask.callback = continuationCallback;
+} else {
+if (currentTask === peek(taskQueue)) {
+pop(taskQueue);
+}
+}
+advanceTimers(currentTime);
+} else {
+pop(taskQueue);
+}
+currentTask = peek(taskQueue);
+} // Return whether there's additional work
+if (currentTask !== null) {
+return true;
+} else {
+var firstTimer = peek(timerQueue);
+if (firstTimer !== null) {
+requestHostTimeout(handleTimeout, firstTimer.startTime - currentTime);
+}
+return false;
+}
+}
+function unstable_runWithPriority(priorityLevel, eventHandler) {
+switch (priorityLevel) {
+case ImmediatePriority:
+case UserBlockingPriority:
+case NormalPriority:
+case LowPriority:
+case IdlePriority:
+break;
+default:
+priorityLevel = NormalPriority;
+}
+var previousPriorityLevel = currentPriorityLevel;
+currentPriorityLevel = priorityLevel;
+try {
+return eventHandler();
+} finally {
+currentPriorityLevel = previousPriorityLevel;
+}
+}
+function unstable_next(eventHandler) {
+var priorityLevel;
+switch (currentPriorityLevel) {
+case ImmediatePriority:
+case UserBlockingPriority:
+case NormalPriority:
+// Shift down to normal priority
+priorityLevel = NormalPriority;
+break;
+default:
+// Anything lower than normal priority should remain at the current level.
+priorityLevel = currentPriorityLevel;
+break;
+}
+var previousPriorityLevel = currentPriorityLevel;
+currentPriorityLevel = priorityLevel;
+try {
+return eventHandler();
+} finally {
+currentPriorityLevel = previousPriorityLevel;
+}
+}
+function unstable_wrapCallback(callback) {
+var parentPriorityLevel = currentPriorityLevel;
+return function () {
+// This is a fork of runWithPriority, inlined for performance.
+var previousPriorityLevel = currentPriorityLevel;
+currentPriorityLevel = parentPriorityLevel;
+try {
+return callback.apply(this, arguments);
+} finally {
+currentPriorityLevel = previousPriorityLevel;
+}
+};
+}
+function unstable_scheduleCallback(priorityLevel, callback, options) {
+var currentTime = exports.unstable_now();
+var startTime;
+if (typeof options === 'object' && options !== null) {
+var delay = options.delay;
+if (typeof delay === 'number' && delay > 0) {
+startTime = currentTime + delay;
+} else {
+startTime = currentTime;
+}
+} else {
+startTime = currentTime;
+}
+var timeout;
+switch (priorityLevel) {
+case ImmediatePriority:
+timeout = IMMEDIATE_PRIORITY_TIMEOUT;
+break;
+case UserBlockingPriority:
+timeout = USER_BLOCKING_PRIORITY_TIMEOUT;
+break;
+case IdlePriority:
+timeout = IDLE_PRIORITY_TIMEOUT;
+break;
+case LowPriority:
+timeout = LOW_PRIORITY_TIMEOUT;
+break;
+case NormalPriority:
+default:
+timeout = NORMAL_PRIORITY_TIMEOUT;
+break;
+}
+var expirationTime = startTime + timeout;
+var newTask = {
+id: taskIdCounter++,
+callback: callback,
+priorityLevel: priorityLevel,
+startTime: startTime,
+expirationTime: expirationTime,
+sortIndex: -1
+};
+if (startTime > currentTime) {
+// This is a delayed task.
+newTask.sortIndex = startTime;
+push(timerQueue, newTask);
+if (peek(taskQueue) === null && newTask === peek(timerQueue)) {
+// All tasks are delayed, and this is the task with the earliest delay.
+if (isHostTimeoutScheduled) {
+// Cancel an existing timeout.
+cancelHostTimeout();
+} else {
+isHostTimeoutScheduled = true;
+} // Schedule a timeout.
+requestHostTimeout(handleTimeout, startTime - currentTime);
+}
+} else {
+newTask.sortIndex = expirationTime;
+push(taskQueue, newTask);
+// wait until the next time we yield.
+if (!isHostCallbackScheduled && !isPerformingWork) {
+isHostCallbackScheduled = true;
+requestHostCallback(flushWork);
+}
+}
+return newTask;
+}
+function unstable_pauseExecution() {
+}
+function unstable_continueExecution() {
+if (!isHostCallbackScheduled && !isPerformingWork) {
+isHostCallbackScheduled = true;
+requestHostCallback(flushWork);
+}
+}
+function unstable_getFirstCallbackNode() {
+return peek(taskQueue);
+}
+function unstable_cancelCallback(task) {
+// remove from the queue because you can't remove arbitrary nodes from an
+// array based heap, only the first one.)
+task.callback = null;
+}
+function unstable_getCurrentPriorityLevel() {
+return currentPriorityLevel;
+}
+var isMessageLoopRunning = false;
+var scheduledHostCallback = null;
+var taskTimeoutID = -1; // Scheduler periodically yields in case there is other work on the main
+// thread, like user events. By default, it yields multiple times per frame.
+// It does not attempt to align with frame boundaries, since most tasks don't
+// need to be frame aligned; for those that do, use requestAnimationFrame.
+var frameInterval = frameYieldMs;
+var startTime = -1;
+function shouldYieldToHost() {
+var timeElapsed = exports.unstable_now() - startTime;
+if (timeElapsed < frameInterval) {
+// The main thread has only been blocked for a really short amount of time;
+// smaller than a single frame. Don't yield yet.
+return false;
+} // The main thread has been blocked for a non-negligible amount of time. We
+return true;
+}
+function requestPaint() {
+}
+function forceFrameRate(fps) {
+if (fps < 0 || fps > 125) {
+// Using console['error'] to evade Babel and ESLint
+console['error']('forceFrameRate takes a positive int between 0 and 125, ' + 'forcing frame rates higher than 125 fps is not supported');
+return;
+}
+if (fps > 0) {
+frameInterval = Math.floor(1000 / fps);
+} else {
+// reset the framerate
+frameInterval = frameYieldMs;
+}
+}
+var performWorkUntilDeadline = function () {
+if (scheduledHostCallback !== null) {
+var currentTime = exports.unstable_now(); // Keep track of the start time so we can measure how long the main thread
+// has been blocked.
+startTime = currentTime;
+var hasTimeRemaining = true; // If a scheduler task throws, exit the current browser task so the
+// error can be observed.
+//
+// Intentionally not using a try-catch, since that makes some debugging
+// techniques harder. Instead, if `scheduledHostCallback` errors, then
+// `hasMoreWork` will remain true, and we'll continue the work loop.
+var hasMoreWork = true;
+try {
+hasMoreWork = scheduledHostCallback(hasTimeRemaining, currentTime);
+} finally {
+if (hasMoreWork) {
+// If there's more work, schedule the next message event at the end
+// of the preceding one.
+schedulePerformWorkUntilDeadline();
+} else {
+isMessageLoopRunning = false;
+scheduledHostCallback = null;
+}
+}
+} else {
+isMessageLoopRunning = false;
+} // Yielding to the browser will give it a chance to paint, so we can
+};
+var schedulePerformWorkUntilDeadline;
+if (typeof localSetImmediate === 'function') {
+// Node.js and old IE.
+// There's a few reasons for why we prefer setImmediate.
+//
+// Unlike MessageChannel, it doesn't prevent a Node.js process from exiting.
+// (Even though this is a DOM fork of the Scheduler, you could get here
+// with a mix of Node.js 15+, which has a MessageChannel, and jsdom.)
+// https://github.com/facebook/react/issues/20756
+//
+// But also, it runs earlier which is the semantic we want.
+// If other browsers ever implement it, it's better to use it.
+// Although both of these would be inferior to native scheduling.
+schedulePerformWorkUntilDeadline = function () {
+localSetImmediate(performWorkUntilDeadline);
+};
+} else if (typeof MessageChannel !== 'undefined') {
+// DOM and Worker environments.
+// We prefer MessageChannel because of the 4ms setTimeout clamping.
+var channel = new MessageChannel();
+var port = channel.port2;
+channel.port1.onmessage = performWorkUntilDeadline;
+schedulePerformWorkUntilDeadline = function () {
+port.postMessage(null);
+};
+} else {
+// We should only fallback here in non-browser environments.
+schedulePerformWorkUntilDeadline = function () {
+localSetTimeout(performWorkUntilDeadline, 0);
+};
+}
+function requestHostCallback(callback) {
+scheduledHostCallback = callback;
+if (!isMessageLoopRunning) {
+isMessageLoopRunning = true;
+schedulePerformWorkUntilDeadline();
+}
+}
+function requestHostTimeout(callback, ms) {
+taskTimeoutID = localSetTimeout(function () {
+callback(exports.unstable_now());
+}, ms);
+}
+function cancelHostTimeout() {
+localClearTimeout(taskTimeoutID);
+taskTimeoutID = -1;
+}
+var unstable_requestPaint = requestPaint;
+var unstable_Profiling =  null;
+exports.unstable_IdlePriority = IdlePriority;
+exports.unstable_ImmediatePriority = ImmediatePriority;
+exports.unstable_LowPriority = LowPriority;
+exports.unstable_NormalPriority = NormalPriority;
+exports.unstable_Profiling = unstable_Profiling;
+exports.unstable_UserBlockingPriority = UserBlockingPriority;
+exports.unstable_cancelCallback = unstable_cancelCallback;
+exports.unstable_continueExecution = unstable_continueExecution;
+exports.unstable_forceFrameRate = forceFrameRate;
+exports.unstable_getCurrentPriorityLevel = unstable_getCurrentPriorityLevel;
+exports.unstable_getFirstCallbackNode = unstable_getFirstCallbackNode;
+exports.unstable_next = unstable_next;
+exports.unstable_pauseExecution = unstable_pauseExecution;
+exports.unstable_requestPaint = unstable_requestPaint;
+exports.unstable_runWithPriority = unstable_runWithPriority;
+exports.unstable_scheduleCallback = unstable_scheduleCallback;
+exports.unstable_shouldYield = shouldYieldToHost;
+exports.unstable_wrapCallback = unstable_wrapCallback;
+/* global __REACT_DEVTOOLS_GLOBAL_HOOK__ */
+if (
+typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ !== 'undefined' &&
+typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop ===
+'function'
+) {
+__REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop(new Error());
+}
+})();
+}