{ "version": 3, "sources": ["../../scheduler/cjs/scheduler.development.js", "../../scheduler/index.js", "../../react-dom/cjs/react-dom.development.js", "../../react-dom/index.js"], "sourcesContent": ["/**\n * @license React\n * scheduler.development.js\n *\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n'use strict';\n\nif (process.env.NODE_ENV !== \"production\") {\n (function() {\n\n 'use strict';\n\n/* global __REACT_DEVTOOLS_GLOBAL_HOOK__ */\nif (\n typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ !== 'undefined' &&\n typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStart ===\n 'function'\n) {\n __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStart(new Error());\n}\n var enableSchedulerDebugging = false;\nvar enableProfiling = false;\nvar frameYieldMs = 5;\n\nfunction push(heap, node) {\n var index = heap.length;\n heap.push(node);\n siftUp(heap, node, index);\n}\nfunction peek(heap) {\n return heap.length === 0 ? null : heap[0];\n}\nfunction pop(heap) {\n if (heap.length === 0) {\n return null;\n }\n\n var first = heap[0];\n var last = heap.pop();\n\n if (last !== first) {\n heap[0] = last;\n siftDown(heap, last, 0);\n }\n\n return first;\n}\n\nfunction siftUp(heap, node, i) {\n var index = i;\n\n while (index > 0) {\n var parentIndex = index - 1 >>> 1;\n var parent = heap[parentIndex];\n\n if (compare(parent, node) > 0) {\n // The parent is larger. Swap positions.\n heap[parentIndex] = node;\n heap[index] = parent;\n index = parentIndex;\n } else {\n // The parent is smaller. Exit.\n return;\n }\n }\n}\n\nfunction siftDown(heap, node, i) {\n var index = i;\n var length = heap.length;\n var halfLength = length >>> 1;\n\n while (index < halfLength) {\n var leftIndex = (index + 1) * 2 - 1;\n var left = heap[leftIndex];\n var rightIndex = leftIndex + 1;\n var right = heap[rightIndex]; // If the left or right node is smaller, swap with the smaller of those.\n\n if (compare(left, node) < 0) {\n if (rightIndex < length && compare(right, left) < 0) {\n heap[index] = right;\n heap[rightIndex] = node;\n index = rightIndex;\n } else {\n heap[index] = left;\n heap[leftIndex] = node;\n index = leftIndex;\n }\n } else if (rightIndex < length && compare(right, node) < 0) {\n heap[index] = right;\n heap[rightIndex] = node;\n index = rightIndex;\n } else {\n // Neither child is smaller. Exit.\n return;\n }\n }\n}\n\nfunction compare(a, b) {\n // Compare sort index first, then task id.\n var diff = a.sortIndex - b.sortIndex;\n return diff !== 0 ? diff : a.id - b.id;\n}\n\n// TODO: Use symbols?\nvar ImmediatePriority = 1;\nvar UserBlockingPriority = 2;\nvar NormalPriority = 3;\nvar LowPriority = 4;\nvar IdlePriority = 5;\n\nfunction markTaskErrored(task, ms) {\n}\n\n/* eslint-disable no-var */\n\nvar hasPerformanceNow = typeof performance === 'object' && typeof performance.now === 'function';\n\nif (hasPerformanceNow) {\n var localPerformance = performance;\n\n exports.unstable_now = function () {\n return localPerformance.now();\n };\n} else {\n var localDate = Date;\n var initialTime = localDate.now();\n\n exports.unstable_now = function () {\n return localDate.now() - initialTime;\n };\n} // Max 31 bit integer. The max integer size in V8 for 32-bit systems.\n// Math.pow(2, 30) - 1\n// 0b111111111111111111111111111111\n\n\nvar maxSigned31BitInt = 1073741823; // Times out immediately\n\nvar IMMEDIATE_PRIORITY_TIMEOUT = -1; // Eventually times out\n\nvar USER_BLOCKING_PRIORITY_TIMEOUT = 250;\nvar NORMAL_PRIORITY_TIMEOUT = 5000;\nvar LOW_PRIORITY_TIMEOUT = 10000; // Never times out\n\nvar IDLE_PRIORITY_TIMEOUT = maxSigned31BitInt; // Tasks are stored on a min heap\n\nvar taskQueue = [];\nvar timerQueue = []; // Incrementing id counter. Used to maintain insertion order.\n\nvar taskIdCounter = 1; // Pausing the scheduler is useful for debugging.\nvar currentTask = null;\nvar currentPriorityLevel = NormalPriority; // This is set while performing work, to prevent re-entrance.\n\nvar isPerformingWork = false;\nvar isHostCallbackScheduled = false;\nvar isHostTimeoutScheduled = false; // Capture local references to native APIs, in case a polyfill overrides them.\n\nvar localSetTimeout = typeof setTimeout === 'function' ? setTimeout : null;\nvar localClearTimeout = typeof clearTimeout === 'function' ? clearTimeout : null;\nvar localSetImmediate = typeof setImmediate !== 'undefined' ? setImmediate : null; // IE and Node.js + jsdom\n\nvar isInputPending = typeof navigator !== 'undefined' && navigator.scheduling !== undefined && navigator.scheduling.isInputPending !== undefined ? navigator.scheduling.isInputPending.bind(navigator.scheduling) : null;\n\nfunction advanceTimers(currentTime) {\n // Check for tasks that are no longer delayed and add them to the queue.\n var timer = peek(timerQueue);\n\n while (timer !== null) {\n if (timer.callback === null) {\n // Timer was cancelled.\n pop(timerQueue);\n } else if (timer.startTime <= currentTime) {\n // Timer fired. Transfer to the task queue.\n pop(timerQueue);\n timer.sortIndex = timer.expirationTime;\n push(taskQueue, timer);\n } else {\n // Remaining timers are pending.\n return;\n }\n\n timer = peek(timerQueue);\n }\n}\n\nfunction handleTimeout(currentTime) {\n isHostTimeoutScheduled = false;\n advanceTimers(currentTime);\n\n if (!isHostCallbackScheduled) {\n if (peek(taskQueue) !== null) {\n isHostCallbackScheduled = true;\n requestHostCallback(flushWork);\n } else {\n var firstTimer = peek(timerQueue);\n\n if (firstTimer !== null) {\n requestHostTimeout(handleTimeout, firstTimer.startTime - currentTime);\n }\n }\n }\n}\n\nfunction flushWork(hasTimeRemaining, initialTime) {\n\n\n isHostCallbackScheduled = false;\n\n if (isHostTimeoutScheduled) {\n // We scheduled a timeout but it's no longer needed. Cancel it.\n isHostTimeoutScheduled = false;\n cancelHostTimeout();\n }\n\n isPerformingWork = true;\n var previousPriorityLevel = currentPriorityLevel;\n\n try {\n if (enableProfiling) {\n try {\n return workLoop(hasTimeRemaining, initialTime);\n } catch (error) {\n if (currentTask !== null) {\n var currentTime = exports.unstable_now();\n markTaskErrored(currentTask, currentTime);\n currentTask.isQueued = false;\n }\n\n throw error;\n }\n } else {\n // No catch in prod code path.\n return workLoop(hasTimeRemaining, initialTime);\n }\n } finally {\n currentTask = null;\n currentPriorityLevel = previousPriorityLevel;\n isPerformingWork = false;\n }\n}\n\nfunction workLoop(hasTimeRemaining, initialTime) {\n var currentTime = initialTime;\n advanceTimers(currentTime);\n currentTask = peek(taskQueue);\n\n while (currentTask !== null && !(enableSchedulerDebugging )) {\n if (currentTask.expirationTime > currentTime && (!hasTimeRemaining || shouldYieldToHost())) {\n // This currentTask hasn't expired, and we've reached the deadline.\n break;\n }\n\n var callback = currentTask.callback;\n\n if (typeof callback === 'function') {\n currentTask.callback = null;\n currentPriorityLevel = currentTask.priorityLevel;\n var didUserCallbackTimeout = currentTask.expirationTime <= currentTime;\n\n var continuationCallback = callback(didUserCallbackTimeout);\n currentTime = exports.unstable_now();\n\n if (typeof continuationCallback === 'function') {\n currentTask.callback = continuationCallback;\n } else {\n\n if (currentTask === peek(taskQueue)) {\n pop(taskQueue);\n }\n }\n\n advanceTimers(currentTime);\n } else {\n pop(taskQueue);\n }\n\n currentTask = peek(taskQueue);\n } // Return whether there's additional work\n\n\n if (currentTask !== null) {\n return true;\n } else {\n var firstTimer = peek(timerQueue);\n\n if (firstTimer !== null) {\n requestHostTimeout(handleTimeout, firstTimer.startTime - currentTime);\n }\n\n return false;\n }\n}\n\nfunction unstable_runWithPriority(priorityLevel, eventHandler) {\n switch (priorityLevel) {\n case ImmediatePriority:\n case UserBlockingPriority:\n case NormalPriority:\n case LowPriority:\n case IdlePriority:\n break;\n\n default:\n priorityLevel = NormalPriority;\n }\n\n var previousPriorityLevel = currentPriorityLevel;\n currentPriorityLevel = priorityLevel;\n\n try {\n return eventHandler();\n } finally {\n currentPriorityLevel = previousPriorityLevel;\n }\n}\n\nfunction unstable_next(eventHandler) {\n var priorityLevel;\n\n switch (currentPriorityLevel) {\n case ImmediatePriority:\n case UserBlockingPriority:\n case NormalPriority:\n // Shift down to normal priority\n priorityLevel = NormalPriority;\n break;\n\n default:\n // Anything lower than normal priority should remain at the current level.\n priorityLevel = currentPriorityLevel;\n break;\n }\n\n var previousPriorityLevel = currentPriorityLevel;\n currentPriorityLevel = priorityLevel;\n\n try {\n return eventHandler();\n } finally {\n currentPriorityLevel = previousPriorityLevel;\n }\n}\n\nfunction unstable_wrapCallback(callback) {\n var parentPriorityLevel = currentPriorityLevel;\n return function () {\n // This is a fork of runWithPriority, inlined for performance.\n var previousPriorityLevel = currentPriorityLevel;\n currentPriorityLevel = parentPriorityLevel;\n\n try {\n return callback.apply(this, arguments);\n } finally {\n currentPriorityLevel = previousPriorityLevel;\n }\n };\n}\n\nfunction unstable_scheduleCallback(priorityLevel, callback, options) {\n var currentTime = exports.unstable_now();\n var startTime;\n\n if (typeof options === 'object' && options !== null) {\n var delay = options.delay;\n\n if (typeof delay === 'number' && delay > 0) {\n startTime = currentTime + delay;\n } else {\n startTime = currentTime;\n }\n } else {\n startTime = currentTime;\n }\n\n var timeout;\n\n switch (priorityLevel) {\n case ImmediatePriority:\n timeout = IMMEDIATE_PRIORITY_TIMEOUT;\n break;\n\n case UserBlockingPriority:\n timeout = USER_BLOCKING_PRIORITY_TIMEOUT;\n break;\n\n case IdlePriority:\n timeout = IDLE_PRIORITY_TIMEOUT;\n break;\n\n case LowPriority:\n timeout = LOW_PRIORITY_TIMEOUT;\n break;\n\n case NormalPriority:\n default:\n timeout = NORMAL_PRIORITY_TIMEOUT;\n break;\n }\n\n var expirationTime = startTime + timeout;\n var newTask = {\n id: taskIdCounter++,\n callback: callback,\n priorityLevel: priorityLevel,\n startTime: startTime,\n expirationTime: expirationTime,\n sortIndex: -1\n };\n\n if (startTime > currentTime) {\n // This is a delayed task.\n newTask.sortIndex = startTime;\n push(timerQueue, newTask);\n\n if (peek(taskQueue) === null && newTask === peek(timerQueue)) {\n // All tasks are delayed, and this is the task with the earliest delay.\n if (isHostTimeoutScheduled) {\n // Cancel an existing timeout.\n cancelHostTimeout();\n } else {\n isHostTimeoutScheduled = true;\n } // Schedule a timeout.\n\n\n requestHostTimeout(handleTimeout, startTime - currentTime);\n }\n } else {\n newTask.sortIndex = expirationTime;\n push(taskQueue, newTask);\n // wait until the next time we yield.\n\n\n if (!isHostCallbackScheduled && !isPerformingWork) {\n isHostCallbackScheduled = true;\n requestHostCallback(flushWork);\n }\n }\n\n return newTask;\n}\n\nfunction unstable_pauseExecution() {\n}\n\nfunction unstable_continueExecution() {\n\n if (!isHostCallbackScheduled && !isPerformingWork) {\n isHostCallbackScheduled = true;\n requestHostCallback(flushWork);\n }\n}\n\nfunction unstable_getFirstCallbackNode() {\n return peek(taskQueue);\n}\n\nfunction unstable_cancelCallback(task) {\n // remove from the queue because you can't remove arbitrary nodes from an\n // array based heap, only the first one.)\n\n\n task.callback = null;\n}\n\nfunction unstable_getCurrentPriorityLevel() {\n return currentPriorityLevel;\n}\n\nvar isMessageLoopRunning = false;\nvar scheduledHostCallback = null;\nvar taskTimeoutID = -1; // Scheduler periodically yields in case there is other work on the main\n// thread, like user events. By default, it yields multiple times per frame.\n// It does not attempt to align with frame boundaries, since most tasks don't\n// need to be frame aligned; for those that do, use requestAnimationFrame.\n\nvar frameInterval = frameYieldMs;\nvar startTime = -1;\n\nfunction shouldYieldToHost() {\n var timeElapsed = exports.unstable_now() - startTime;\n\n if (timeElapsed < frameInterval) {\n // The main thread has only been blocked for a really short amount of time;\n // smaller than a single frame. Don't yield yet.\n return false;\n } // The main thread has been blocked for a non-negligible amount of time. We\n\n\n return true;\n}\n\nfunction requestPaint() {\n\n}\n\nfunction forceFrameRate(fps) {\n if (fps < 0 || fps > 125) {\n // Using console['error'] to evade Babel and ESLint\n console['error']('forceFrameRate takes a positive int between 0 and 125, ' + 'forcing frame rates higher than 125 fps is not supported');\n return;\n }\n\n if (fps > 0) {\n frameInterval = Math.floor(1000 / fps);\n } else {\n // reset the framerate\n frameInterval = frameYieldMs;\n }\n}\n\nvar performWorkUntilDeadline = function () {\n if (scheduledHostCallback !== null) {\n var currentTime = exports.unstable_now(); // Keep track of the start time so we can measure how long the main thread\n // has been blocked.\n\n startTime = currentTime;\n var hasTimeRemaining = true; // If a scheduler task throws, exit the current browser task so the\n // error can be observed.\n //\n // Intentionally not using a try-catch, since that makes some debugging\n // techniques harder. Instead, if `scheduledHostCallback` errors, then\n // `hasMoreWork` will remain true, and we'll continue the work loop.\n\n var hasMoreWork = true;\n\n try {\n hasMoreWork = scheduledHostCallback(hasTimeRemaining, currentTime);\n } finally {\n if (hasMoreWork) {\n // If there's more work, schedule the next message event at the end\n // of the preceding one.\n schedulePerformWorkUntilDeadline();\n } else {\n isMessageLoopRunning = false;\n scheduledHostCallback = null;\n }\n }\n } else {\n isMessageLoopRunning = false;\n } // Yielding to the browser will give it a chance to paint, so we can\n};\n\nvar schedulePerformWorkUntilDeadline;\n\nif (typeof localSetImmediate === 'function') {\n // Node.js and old IE.\n // There's a few reasons for why we prefer setImmediate.\n //\n // Unlike MessageChannel, it doesn't prevent a Node.js process from exiting.\n // (Even though this is a DOM fork of the Scheduler, you could get here\n // with a mix of Node.js 15+, which has a MessageChannel, and jsdom.)\n // https://github.com/facebook/react/issues/20756\n //\n // But also, it runs earlier which is the semantic we want.\n // If other browsers ever implement it, it's better to use it.\n // Although both of these would be inferior to native scheduling.\n schedulePerformWorkUntilDeadline = function () {\n localSetImmediate(performWorkUntilDeadline);\n };\n} else if (typeof MessageChannel !== 'undefined') {\n // DOM and Worker environments.\n // We prefer MessageChannel because of the 4ms setTimeout clamping.\n var channel = new MessageChannel();\n var port = channel.port2;\n channel.port1.onmessage = performWorkUntilDeadline;\n\n schedulePerformWorkUntilDeadline = function () {\n port.postMessage(null);\n };\n} else {\n // We should only fallback here in non-browser environments.\n schedulePerformWorkUntilDeadline = function () {\n localSetTimeout(performWorkUntilDeadline, 0);\n };\n}\n\nfunction requestHostCallback(callback) {\n scheduledHostCallback = callback;\n\n if (!isMessageLoopRunning) {\n isMessageLoopRunning = true;\n schedulePerformWorkUntilDeadline();\n }\n}\n\nfunction requestHostTimeout(callback, ms) {\n taskTimeoutID = localSetTimeout(function () {\n callback(exports.unstable_now());\n }, ms);\n}\n\nfunction cancelHostTimeout() {\n localClearTimeout(taskTimeoutID);\n taskTimeoutID = -1;\n}\n\nvar unstable_requestPaint = requestPaint;\nvar unstable_Profiling = null;\n\nexports.unstable_IdlePriority = IdlePriority;\nexports.unstable_ImmediatePriority = ImmediatePriority;\nexports.unstable_LowPriority = LowPriority;\nexports.unstable_NormalPriority = NormalPriority;\nexports.unstable_Profiling = unstable_Profiling;\nexports.unstable_UserBlockingPriority = UserBlockingPriority;\nexports.unstable_cancelCallback = unstable_cancelCallback;\nexports.unstable_continueExecution = unstable_continueExecution;\nexports.unstable_forceFrameRate = forceFrameRate;\nexports.unstable_getCurrentPriorityLevel = unstable_getCurrentPriorityLevel;\nexports.unstable_getFirstCallbackNode = unstable_getFirstCallbackNode;\nexports.unstable_next = unstable_next;\nexports.unstable_pauseExecution = unstable_pauseExecution;\nexports.unstable_requestPaint = unstable_requestPaint;\nexports.unstable_runWithPriority = unstable_runWithPriority;\nexports.unstable_scheduleCallback = unstable_scheduleCallback;\nexports.unstable_shouldYield = shouldYieldToHost;\nexports.unstable_wrapCallback = unstable_wrapCallback;\n /* global __REACT_DEVTOOLS_GLOBAL_HOOK__ */\nif (\n typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ !== 'undefined' &&\n typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop ===\n 'function'\n) {\n __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop(new Error());\n}\n \n })();\n}\n", "'use strict';\n\nif (process.env.NODE_ENV === 'production') {\n module.exports = require('./cjs/scheduler.production.min.js');\n} else {\n module.exports = require('./cjs/scheduler.development.js');\n}\n", "/**\n * @license React\n * react-dom.development.js\n *\n * Copyright (c) Facebook, Inc. and its affiliates.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n'use strict';\n\nif (process.env.NODE_ENV !== \"production\") {\n (function() {\n\n 'use strict';\n\n/* global __REACT_DEVTOOLS_GLOBAL_HOOK__ */\nif (\n typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ !== 'undefined' &&\n typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStart ===\n 'function'\n) {\n __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStart(new Error());\n}\n var React = require('react');\nvar Scheduler = require('scheduler');\n\nvar ReactSharedInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;\n\nvar suppressWarning = false;\nfunction setSuppressWarning(newSuppressWarning) {\n {\n suppressWarning = newSuppressWarning;\n }\n} // In DEV, calls to console.warn and console.error get replaced\n// by calls to these methods by a Babel plugin.\n//\n// In PROD (or in packages without access to React internals),\n// they are left as they are instead.\n\nfunction warn(format) {\n {\n if (!suppressWarning) {\n for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n args[_key - 1] = arguments[_key];\n }\n\n printWarning('warn', format, args);\n }\n }\n}\nfunction error(format) {\n {\n if (!suppressWarning) {\n for (var _len2 = arguments.length, args = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {\n args[_key2 - 1] = arguments[_key2];\n }\n\n printWarning('error', format, args);\n }\n }\n}\n\nfunction printWarning(level, format, args) {\n // When changing this logic, you might want to also\n // update consoleWithStackDev.www.js as well.\n {\n var ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame;\n var stack = ReactDebugCurrentFrame.getStackAddendum();\n\n if (stack !== '') {\n format += '%s';\n args = args.concat([stack]);\n } // eslint-disable-next-line react-internal/safe-string-coercion\n\n\n var argsWithFormat = args.map(function (item) {\n return String(item);\n }); // Careful: RN currently depends on this prefix\n\n argsWithFormat.unshift('Warning: ' + format); // We intentionally don't use spread (or .apply) directly because it\n // breaks IE9: https://github.com/facebook/react/issues/13610\n // eslint-disable-next-line react-internal/no-production-logging\n\n Function.prototype.apply.call(console[level], console, argsWithFormat);\n }\n}\n\nvar FunctionComponent = 0;\nvar ClassComponent = 1;\nvar IndeterminateComponent = 2; // Before we know whether it is function or class\n\nvar HostRoot = 3; // Root of a host tree. Could be nested inside another node.\n\nvar HostPortal = 4; // A subtree. Could be an entry point to a different renderer.\n\nvar HostComponent = 5;\nvar HostText = 6;\nvar Fragment = 7;\nvar Mode = 8;\nvar ContextConsumer = 9;\nvar ContextProvider = 10;\nvar ForwardRef = 11;\nvar Profiler = 12;\nvar SuspenseComponent = 13;\nvar MemoComponent = 14;\nvar SimpleMemoComponent = 15;\nvar LazyComponent = 16;\nvar IncompleteClassComponent = 17;\nvar DehydratedFragment = 18;\nvar SuspenseListComponent = 19;\nvar ScopeComponent = 21;\nvar OffscreenComponent = 22;\nvar LegacyHiddenComponent = 23;\nvar CacheComponent = 24;\nvar TracingMarkerComponent = 25;\n\n// -----------------------------------------------------------------------------\n\nvar enableClientRenderFallbackOnTextMismatch = true; // TODO: Need to review this code one more time before landing\n// the react-reconciler package.\n\nvar enableNewReconciler = false; // Support legacy Primer support on internal FB www\n\nvar enableLazyContextPropagation = false; // FB-only usage. The new API has different semantics.\n\nvar enableLegacyHidden = false; // Enables unstable_avoidThisFallback feature in Fiber\n\nvar enableSuspenseAvoidThisFallback = false; // Enables unstable_avoidThisFallback feature in Fizz\n// React DOM Chopping Block\n//\n// Similar to main Chopping Block but only flags related to React DOM. These are\n// grouped because we will likely batch all of them into a single major release.\n// -----------------------------------------------------------------------------\n// Disable support for comment nodes as React DOM containers. Already disabled\n// in open source, but www codebase still relies on it. Need to remove.\n\nvar disableCommentsAsDOMContainers = true; // Disable javascript: URL strings in href for XSS protection.\n// and client rendering, mostly to allow JSX attributes to apply to the custom\n// element's object properties instead of only HTML attributes.\n// https://github.com/facebook/react/issues/11347\n\nvar enableCustomElementPropertySupport = false; // Disables children for