diff --git a/Libraries/ReactNative/FabricUIManager.js b/Libraries/ReactNative/FabricUIManager.js new file mode 100644 index 00000000000000..e5989b3304980e --- /dev/null +++ b/Libraries/ReactNative/FabricUIManager.js @@ -0,0 +1,16 @@ +/** + * Copyright (c) 2015-present, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + * + * @providesModule FabricUIManager + * @flow + * @format + */ +'use strict'; + +// TODO @sema Fix me +module.exports = {}; diff --git a/Libraries/Renderer/ReactFabric-dev.js b/Libraries/Renderer/ReactFabric-dev.js new file mode 100644 index 00000000000000..08e0c16af49767 --- /dev/null +++ b/Libraries/Renderer/ReactFabric-dev.js @@ -0,0 +1,13611 @@ +/** + * Copyright (c) 2013-present, Facebook, Inc. + * + * This source code is licensed under the MIT license found in the + * LICENSE file in the root directory of this source tree. + * + * @noflow + * @providesModule ReactFabric-dev + * @preventMunge + */ + +'use strict'; + +if (__DEV__) { + (function() { +"use strict"; + +require("InitializeCore"); +var invariant = require("fbjs/lib/invariant"); +var warning = require("fbjs/lib/warning"); +var emptyFunction = require("fbjs/lib/emptyFunction"); +var RCTEventEmitter = require("RCTEventEmitter"); +var UIManager = require("UIManager"); +var React = require("react"); +var TextInputState = require("TextInputState"); +var deepDiffer = require("deepDiffer"); +var flattenStyle = require("flattenStyle"); +var emptyObject = require("fbjs/lib/emptyObject"); +var checkPropTypes = require("prop-types/checkPropTypes"); +var shallowEqual = require("fbjs/lib/shallowEqual"); +var deepFreezeAndThrowOnMutationInDev = require("deepFreezeAndThrowOnMutationInDev"); +var FabricUIManager = require("FabricUIManager"); + +var invokeGuardedCallback = function(name, func, context, a, b, c, d, e, f) { + this._hasCaughtError = false; + this._caughtError = null; + var funcArgs = Array.prototype.slice.call(arguments, 3); + try { + func.apply(context, funcArgs); + } catch (error) { + this._caughtError = error; + this._hasCaughtError = true; + } +}; + +{ + // In DEV mode, we swap out invokeGuardedCallback for a special version + // that plays more nicely with the browser's DevTools. The idea is to preserve + // "Pause on exceptions" behavior. Because React wraps all user-provided + // functions in invokeGuardedCallback, and the production version of + // invokeGuardedCallback uses a try-catch, all user exceptions are treated + // like caught exceptions, and the DevTools won't pause unless the developer + // takes the extra step of enabling pause on caught exceptions. This is + // untintuitive, though, because even though React has caught the error, from + // the developer's perspective, the error is uncaught. + // + // To preserve the expected "Pause on exceptions" behavior, we don't use a + // try-catch in DEV. Instead, we synchronously dispatch a fake event to a fake + // DOM node, and call the user-provided callback from inside an event handler + // for that fake event. If the callback throws, the error is "captured" using + // a global event handler. But because the error happens in a different + // event loop context, it does not interrupt the normal program flow. + // Effectively, this gives us try-catch behavior without actually using + // try-catch. Neat! + + // Check that the browser supports the APIs we need to implement our special + // DEV version of invokeGuardedCallback + if ( + typeof window !== "undefined" && + typeof window.dispatchEvent === "function" && + typeof document !== "undefined" && + typeof document.createEvent === "function" + ) { + var fakeNode = document.createElement("react"); + + var invokeGuardedCallbackDev = function( + name, + func, + context, + a, + b, + c, + d, + e, + f + ) { + // If document doesn't exist we know for sure we will crash in this method + // when we call document.createEvent(). However this can cause confusing + // errors: https://github.com/facebookincubator/create-react-app/issues/3482 + // So we preemptively throw with a better message instead. + invariant( + typeof document !== "undefined", + "The `document` global was defined when React was initialized, but is not " + + "defined anymore. This can happen in a test environment if a component " + + "schedules an update from an asynchronous callback, but the test has already " + + "finished running. To solve this, you can either unmount the component at " + + "the end of your test (and ensure that any asynchronous operations get " + + "canceled in `componentWillUnmount`), or you can change the test itself " + + "to be asynchronous." + ); + var evt = document.createEvent("Event"); + + // Keeps track of whether the user-provided callback threw an error. We + // set this to true at the beginning, then set it to false right after + // calling the function. If the function errors, `didError` will never be + // set to false. This strategy works even if the browser is flaky and + // fails to call our global error handler, because it doesn't rely on + // the error event at all. + var didError = true; + + // Create an event handler for our fake event. We will synchronously + // dispatch our fake event using `dispatchEvent`. Inside the handler, we + // call the user-provided callback. + var funcArgs = Array.prototype.slice.call(arguments, 3); + function callCallback() { + // We immediately remove the callback from event listeners so that + // nested `invokeGuardedCallback` calls do not clash. Otherwise, a + // nested call would trigger the fake event handlers of any call higher + // in the stack. + fakeNode.removeEventListener(evtType, callCallback, false); + func.apply(context, funcArgs); + didError = false; + } + + // Create a global error event handler. We use this to capture the value + // that was thrown. It's possible that this error handler will fire more + // than once; for example, if non-React code also calls `dispatchEvent` + // and a handler for that event throws. We should be resilient to most of + // those cases. Even if our error event handler fires more than once, the + // last error event is always used. If the callback actually does error, + // we know that the last error event is the correct one, because it's not + // possible for anything else to have happened in between our callback + // erroring and the code that follows the `dispatchEvent` call below. If + // the callback doesn't error, but the error event was fired, we know to + // ignore it because `didError` will be false, as described above. + var error = void 0; + // Use this to track whether the error event is ever called. + var didSetError = false; + var isCrossOriginError = false; + + function onError(event) { + error = event.error; + didSetError = true; + if (error === null && event.colno === 0 && event.lineno === 0) { + isCrossOriginError = true; + } + } + + // Create a fake event type. + var evtType = "react-" + (name ? name : "invokeguardedcallback"); + + // Attach our event handlers + window.addEventListener("error", onError); + fakeNode.addEventListener(evtType, callCallback, false); + + // Synchronously dispatch our fake event. If the user-provided function + // errors, it will trigger our global error handler. + evt.initEvent(evtType, false, false); + fakeNode.dispatchEvent(evt); + + if (didError) { + if (!didSetError) { + // The callback errored, but the error event never fired. + error = new Error( + "An error was thrown inside one of your components, but React " + + "doesn't know what it was. This is likely due to browser " + + 'flakiness. React does its best to preserve the "Pause on ' + + 'exceptions" behavior of the DevTools, which requires some ' + + "DEV-mode only tricks. It's possible that these don't work in " + + "your browser. Try triggering the error in production mode, " + + "or switching to a modern browser. If you suspect that this is " + + "actually an issue with React, please file an issue." + ); + } else if (isCrossOriginError) { + error = new Error( + "A cross-origin error was thrown. React doesn't have access to " + + "the actual error object in development. " + + "See https://fb.me/react-crossorigin-error for more information." + ); + } + this._hasCaughtError = true; + this._caughtError = error; + } else { + this._hasCaughtError = false; + this._caughtError = null; + } + + // Remove our event listeners + window.removeEventListener("error", onError); + }; + + invokeGuardedCallback = invokeGuardedCallbackDev; + } +} + +var invokeGuardedCallback$1 = invokeGuardedCallback; + +var ReactErrorUtils = { + // Used by Fiber to simulate a try-catch. + _caughtError: null, + _hasCaughtError: false, + + // Used by event system to capture/rethrow the first error. + _rethrowError: null, + _hasRethrowError: false, + + /** + * Call a function while guarding against errors that happens within it. + * Returns an error if it throws, otherwise null. + * + * In production, this is implemented using a try-catch. The reason we don't + * use a try-catch directly is so that we can swap out a different + * implementation in DEV mode. + * + * @param {String} name of the guard to use for logging or debugging + * @param {Function} func The function to invoke + * @param {*} context The context to use when calling the function + * @param {...*} args Arguments for function + */ + invokeGuardedCallback: function(name, func, context, a, b, c, d, e, f) { + invokeGuardedCallback$1.apply(ReactErrorUtils, arguments); + }, + + /** + * Same as invokeGuardedCallback, but instead of returning an error, it stores + * it in a global so it can be rethrown by `rethrowCaughtError` later. + * TODO: See if _caughtError and _rethrowError can be unified. + * + * @param {String} name of the guard to use for logging or debugging + * @param {Function} func The function to invoke + * @param {*} context The context to use when calling the function + * @param {...*} args Arguments for function + */ + invokeGuardedCallbackAndCatchFirstError: function( + name, + func, + context, + a, + b, + c, + d, + e, + f + ) { + ReactErrorUtils.invokeGuardedCallback.apply(this, arguments); + if (ReactErrorUtils.hasCaughtError()) { + var error = ReactErrorUtils.clearCaughtError(); + if (!ReactErrorUtils._hasRethrowError) { + ReactErrorUtils._hasRethrowError = true; + ReactErrorUtils._rethrowError = error; + } + } + }, + + /** + * During execution of guarded functions we will capture the first error which + * we will rethrow to be handled by the top level error handler. + */ + rethrowCaughtError: function() { + return rethrowCaughtError.apply(ReactErrorUtils, arguments); + }, + + hasCaughtError: function() { + return ReactErrorUtils._hasCaughtError; + }, + + clearCaughtError: function() { + if (ReactErrorUtils._hasCaughtError) { + var error = ReactErrorUtils._caughtError; + ReactErrorUtils._caughtError = null; + ReactErrorUtils._hasCaughtError = false; + return error; + } else { + invariant( + false, + "clearCaughtError was called but no error was captured. This error " + + "is likely caused by a bug in React. Please file an issue." + ); + } + } +}; + +var rethrowCaughtError = function() { + if (ReactErrorUtils._hasRethrowError) { + var error = ReactErrorUtils._rethrowError; + ReactErrorUtils._rethrowError = null; + ReactErrorUtils._hasRethrowError = false; + throw error; + } +}; + +/** + * Forked from fbjs/warning: + * https://github.com/facebook/fbjs/blob/e66ba20ad5be433eb54423f2b097d829324d9de6/packages/fbjs/src/__forks__/warning.js + * + * Only change is we use console.warn instead of console.error, + * and do nothing when 'console' is not supported. + * This really simplifies the code. + * --- + * Similar to invariant but only logs a warning if the condition is not met. + * This can be used to log issues in development environments in critical + * paths. Removing the logging code for production environments will keep the + * same logic and follow the same code paths. + */ + +var lowPriorityWarning = function() {}; + +{ + var printWarning = function(format) { + for ( + var _len = arguments.length, + args = Array(_len > 1 ? _len - 1 : 0), + _key = 1; + _key < _len; + _key++ + ) { + args[_key - 1] = arguments[_key]; + } + + var argIndex = 0; + var message = + "Warning: " + + format.replace(/%s/g, function() { + return args[argIndex++]; + }); + if (typeof console !== "undefined") { + console.warn(message); + } + try { + // --- Welcome to debugging React --- + // This error was thrown as a convenience so that you can use this stack + // to find the callsite that caused this warning to fire. + throw new Error(message); + } catch (x) {} + }; + + lowPriorityWarning = function(condition, format) { + if (format === undefined) { + throw new Error( + "`warning(condition, format, ...args)` requires a warning " + + "message argument" + ); + } + if (!condition) { + for ( + var _len2 = arguments.length, + args = Array(_len2 > 2 ? _len2 - 2 : 0), + _key2 = 2; + _key2 < _len2; + _key2++ + ) { + args[_key2 - 2] = arguments[_key2]; + } + + printWarning.apply(undefined, [format].concat(args)); + } + }; +} + +var lowPriorityWarning$1 = lowPriorityWarning; + +var shouldWarnOnInjection = false; + +/** + * Injectable ordering of event plugins. + */ +var eventPluginOrder = null; + +/** + * Injectable mapping from names to event plugin modules. + */ +var namesToPlugins = {}; + +/** + * Recomputes the plugin list using the injected plugins and plugin ordering. + * + * @private + */ +function recomputePluginOrdering() { + if (!eventPluginOrder) { + // Wait until an `eventPluginOrder` is injected. + return; + } + for (var pluginName in namesToPlugins) { + var pluginModule = namesToPlugins[pluginName]; + var pluginIndex = eventPluginOrder.indexOf(pluginName); + invariant( + pluginIndex > -1, + "EventPluginRegistry: Cannot inject event plugins that do not exist in " + + "the plugin ordering, `%s`.", + pluginName + ); + if (plugins[pluginIndex]) { + continue; + } + invariant( + pluginModule.extractEvents, + "EventPluginRegistry: Event plugins must implement an `extractEvents` " + + "method, but `%s` does not.", + pluginName + ); + plugins[pluginIndex] = pluginModule; + var publishedEvents = pluginModule.eventTypes; + for (var eventName in publishedEvents) { + invariant( + publishEventForPlugin( + publishedEvents[eventName], + pluginModule, + eventName + ), + "EventPluginRegistry: Failed to publish event `%s` for plugin `%s`.", + eventName, + pluginName + ); + } + } +} + +/** + * Publishes an event so that it can be dispatched by the supplied plugin. + * + * @param {object} dispatchConfig Dispatch configuration for the event. + * @param {object} PluginModule Plugin publishing the event. + * @return {boolean} True if the event was successfully published. + * @private + */ +function publishEventForPlugin(dispatchConfig, pluginModule, eventName) { + invariant( + !eventNameDispatchConfigs.hasOwnProperty(eventName), + "EventPluginHub: More than one plugin attempted to publish the same " + + "event name, `%s`.", + eventName + ); + eventNameDispatchConfigs[eventName] = dispatchConfig; + + var phasedRegistrationNames = dispatchConfig.phasedRegistrationNames; + if (phasedRegistrationNames) { + for (var phaseName in phasedRegistrationNames) { + if (phasedRegistrationNames.hasOwnProperty(phaseName)) { + var phasedRegistrationName = phasedRegistrationNames[phaseName]; + publishRegistrationName( + phasedRegistrationName, + pluginModule, + eventName + ); + } + } + return true; + } else if (dispatchConfig.registrationName) { + publishRegistrationName( + dispatchConfig.registrationName, + pluginModule, + eventName + ); + return true; + } + return false; +} + +/** + * Publishes a registration name that is used to identify dispatched events. + * + * @param {string} registrationName Registration name to add. + * @param {object} PluginModule Plugin publishing the event. + * @private + */ +function publishRegistrationName(registrationName, pluginModule, eventName) { + invariant( + !registrationNameModules[registrationName], + "EventPluginHub: More than one plugin attempted to publish the same " + + "registration name, `%s`.", + registrationName + ); + registrationNameModules[registrationName] = pluginModule; + registrationNameDependencies[registrationName] = + pluginModule.eventTypes[eventName].dependencies; + + { + var lowerCasedName = registrationName.toLowerCase(); + } +} + +/** + * Registers plugins so that they can extract and dispatch events. + * + * @see {EventPluginHub} + */ + +/** + * Ordered list of injected plugins. + */ +var plugins = []; + +/** + * Mapping from event name to dispatch config + */ +var eventNameDispatchConfigs = {}; + +/** + * Mapping from registration name to plugin module + */ +var registrationNameModules = {}; + +/** + * Mapping from registration name to event name + */ +var registrationNameDependencies = {}; + +/** + * Mapping from lowercase registration names to the properly cased version, + * used to warn in the case of missing event handlers. Available + * only in true. + * @type {Object} + */ + +// Trust the developer to only use possibleRegistrationNames in true + +/** + * Injects an ordering of plugins (by plugin name). This allows the ordering + * to be decoupled from injection of the actual plugins so that ordering is + * always deterministic regardless of packaging, on-the-fly injection, etc. + * + * @param {array} InjectedEventPluginOrder + * @internal + * @see {EventPluginHub.injection.injectEventPluginOrder} + */ +function injectEventPluginOrder(injectedEventPluginOrder) { + invariant( + !eventPluginOrder, + "EventPluginRegistry: Cannot inject event plugin ordering more than " + + "once. You are likely trying to load more than one copy of React." + ); + // Clone the ordering so it cannot be dynamically mutated. + eventPluginOrder = Array.prototype.slice.call(injectedEventPluginOrder); + recomputePluginOrdering(); +} + +/** + * Injects plugins to be used by `EventPluginHub`. The plugin names must be + * in the ordering injected by `injectEventPluginOrder`. + * + * Plugins can be injected as part of page initialization or on-the-fly. + * + * @param {object} injectedNamesToPlugins Map from names to plugin modules. + * @internal + * @see {EventPluginHub.injection.injectEventPluginsByName} + */ +function injectEventPluginsByName(injectedNamesToPlugins) { + { + if (shouldWarnOnInjection) { + var names = Object.keys(injectedNamesToPlugins).join(", "); + lowPriorityWarning$1( + false, + "Injecting custom event plugins (%s) is deprecated " + + "and will not work in React 17+. Please update your code " + + "to not depend on React internals. The stack trace for this " + + "warning should reveal the library that is using them. " + + "See https://github.com/facebook/react/issues/11689 for a discussion.", + names + ); + } + } + + var isOrderingDirty = false; + for (var pluginName in injectedNamesToPlugins) { + if (!injectedNamesToPlugins.hasOwnProperty(pluginName)) { + continue; + } + var pluginModule = injectedNamesToPlugins[pluginName]; + if ( + !namesToPlugins.hasOwnProperty(pluginName) || + namesToPlugins[pluginName] !== pluginModule + ) { + invariant( + !namesToPlugins[pluginName], + "EventPluginRegistry: Cannot inject two different event plugins " + + "using the same name, `%s`.", + pluginName + ); + namesToPlugins[pluginName] = pluginModule; + isOrderingDirty = true; + } + } + if (isOrderingDirty) { + recomputePluginOrdering(); + } +} + +var getFiberCurrentPropsFromNode = null; +var getInstanceFromNode = null; +var getNodeFromInstance = null; + +var injection$1 = { + injectComponentTree: function(Injected) { + getFiberCurrentPropsFromNode = Injected.getFiberCurrentPropsFromNode; + getInstanceFromNode = Injected.getInstanceFromNode; + getNodeFromInstance = Injected.getNodeFromInstance; + + { + warning( + getNodeFromInstance && getInstanceFromNode, + "EventPluginUtils.injection.injectComponentTree(...): Injected " + + "module is missing getNodeFromInstance or getInstanceFromNode." + ); + } + } +}; + +function isEndish(topLevelType) { + return ( + topLevelType === "topMouseUp" || + topLevelType === "topTouchEnd" || + topLevelType === "topTouchCancel" + ); +} + +function isMoveish(topLevelType) { + return topLevelType === "topMouseMove" || topLevelType === "topTouchMove"; +} +function isStartish(topLevelType) { + return topLevelType === "topMouseDown" || topLevelType === "topTouchStart"; +} + +var validateEventDispatches = void 0; +{ + validateEventDispatches = function(event) { + var dispatchListeners = event._dispatchListeners; + var dispatchInstances = event._dispatchInstances; + + var listenersIsArr = Array.isArray(dispatchListeners); + var listenersLen = listenersIsArr + ? dispatchListeners.length + : dispatchListeners ? 1 : 0; + + var instancesIsArr = Array.isArray(dispatchInstances); + var instancesLen = instancesIsArr + ? dispatchInstances.length + : dispatchInstances ? 1 : 0; + + warning( + instancesIsArr === listenersIsArr && instancesLen === listenersLen, + "EventPluginUtils: Invalid `event`." + ); + }; +} + +/** + * Dispatch the event to the listener. + * @param {SyntheticEvent} event SyntheticEvent to handle + * @param {boolean} simulated If the event is simulated (changes exn behavior) + * @param {function} listener Application-level callback + * @param {*} inst Internal component instance + */ +function executeDispatch(event, simulated, listener, inst) { + var type = event.type || "unknown-event"; + event.currentTarget = getNodeFromInstance(inst); + ReactErrorUtils.invokeGuardedCallbackAndCatchFirstError( + type, + listener, + undefined, + event + ); + event.currentTarget = null; +} + +/** + * Standard/simple iteration through an event's collected dispatches. + */ +function executeDispatchesInOrder(event, simulated) { + var dispatchListeners = event._dispatchListeners; + var dispatchInstances = event._dispatchInstances; + { + validateEventDispatches(event); + } + if (Array.isArray(dispatchListeners)) { + for (var i = 0; i < dispatchListeners.length; i++) { + if (event.isPropagationStopped()) { + break; + } + // Listeners and Instances are two parallel arrays that are always in sync. + executeDispatch( + event, + simulated, + dispatchListeners[i], + dispatchInstances[i] + ); + } + } else if (dispatchListeners) { + executeDispatch(event, simulated, dispatchListeners, dispatchInstances); + } + event._dispatchListeners = null; + event._dispatchInstances = null; +} + +/** + * Standard/simple iteration through an event's collected dispatches, but stops + * at the first dispatch execution returning true, and returns that id. + * + * @return {?string} id of the first dispatch execution who's listener returns + * true, or null if no listener returned true. + */ +function executeDispatchesInOrderStopAtTrueImpl(event) { + var dispatchListeners = event._dispatchListeners; + var dispatchInstances = event._dispatchInstances; + { + validateEventDispatches(event); + } + if (Array.isArray(dispatchListeners)) { + for (var i = 0; i < dispatchListeners.length; i++) { + if (event.isPropagationStopped()) { + break; + } + // Listeners and Instances are two parallel arrays that are always in sync. + if (dispatchListeners[i](event, dispatchInstances[i])) { + return dispatchInstances[i]; + } + } + } else if (dispatchListeners) { + if (dispatchListeners(event, dispatchInstances)) { + return dispatchInstances; + } + } + return null; +} + +/** + * @see executeDispatchesInOrderStopAtTrueImpl + */ +function executeDispatchesInOrderStopAtTrue(event) { + var ret = executeDispatchesInOrderStopAtTrueImpl(event); + event._dispatchInstances = null; + event._dispatchListeners = null; + return ret; +} + +/** + * Execution of a "direct" dispatch - there must be at most one dispatch + * accumulated on the event or it is considered an error. It doesn't really make + * sense for an event with multiple dispatches (bubbled) to keep track of the + * return values at each dispatch execution, but it does tend to make sense when + * dealing with "direct" dispatches. + * + * @return {*} The return value of executing the single dispatch. + */ +function executeDirectDispatch(event) { + { + validateEventDispatches(event); + } + var dispatchListener = event._dispatchListeners; + var dispatchInstance = event._dispatchInstances; + invariant( + !Array.isArray(dispatchListener), + "executeDirectDispatch(...): Invalid `event`." + ); + event.currentTarget = dispatchListener + ? getNodeFromInstance(dispatchInstance) + : null; + var res = dispatchListener ? dispatchListener(event) : null; + event.currentTarget = null; + event._dispatchListeners = null; + event._dispatchInstances = null; + return res; +} + +/** + * @param {SyntheticEvent} event + * @return {boolean} True iff number of dispatches accumulated is greater than 0. + */ +function hasDispatches(event) { + return !!event._dispatchListeners; +} + +/** + * Accumulates items that must not be null or undefined into the first one. This + * is used to conserve memory by avoiding array allocations, and thus sacrifices + * API cleanness. Since `current` can be null before being passed in and not + * null after this function, make sure to assign it back to `current`: + * + * `a = accumulateInto(a, b);` + * + * This API should be sparingly used. Try `accumulate` for something cleaner. + * + * @return {*|array<*>} An accumulation of items. + */ + +function accumulateInto(current, next) { + invariant( + next != null, + "accumulateInto(...): Accumulated items must not be null or undefined." + ); + + if (current == null) { + return next; + } + + // Both are not empty. Warning: Never call x.concat(y) when you are not + // certain that x is an Array (x could be a string with concat method). + if (Array.isArray(current)) { + if (Array.isArray(next)) { + current.push.apply(current, next); + return current; + } + current.push(next); + return current; + } + + if (Array.isArray(next)) { + // A bit too dangerous to mutate `next`. + return [current].concat(next); + } + + return [current, next]; +} + +/** + * @param {array} arr an "accumulation" of items which is either an Array or + * a single item. Useful when paired with the `accumulate` module. This is a + * simple utility that allows us to reason about a collection of items, but + * handling the case when there is exactly one item (and we do not need to + * allocate an array). + * @param {function} cb Callback invoked with each element or a collection. + * @param {?} [scope] Scope used as `this` in a callback. + */ +function forEachAccumulated(arr, cb, scope) { + if (Array.isArray(arr)) { + arr.forEach(cb, scope); + } else if (arr) { + cb.call(scope, arr); + } +} + +/** + * Internal queue of events that have accumulated their dispatches and are + * waiting to have their dispatches executed. + */ +var eventQueue = null; + +/** + * Dispatches an event and releases it back into the pool, unless persistent. + * + * @param {?object} event Synthetic event to be dispatched. + * @param {boolean} simulated If the event is simulated (changes exn behavior) + * @private + */ +var executeDispatchesAndRelease = function(event, simulated) { + if (event) { + executeDispatchesInOrder(event, simulated); + + if (!event.isPersistent()) { + event.constructor.release(event); + } + } +}; +var executeDispatchesAndReleaseSimulated = function(e) { + return executeDispatchesAndRelease(e, true); +}; +var executeDispatchesAndReleaseTopLevel = function(e) { + return executeDispatchesAndRelease(e, false); +}; + +function isInteractive(tag) { + return ( + tag === "button" || + tag === "input" || + tag === "select" || + tag === "textarea" + ); +} + +function shouldPreventMouseEvent(name, type, props) { + switch (name) { + case "onClick": + case "onClickCapture": + case "onDoubleClick": + case "onDoubleClickCapture": + case "onMouseDown": + case "onMouseDownCapture": + case "onMouseMove": + case "onMouseMoveCapture": + case "onMouseUp": + case "onMouseUpCapture": + return !!(props.disabled && isInteractive(type)); + default: + return false; + } +} + +/** + * This is a unified interface for event plugins to be installed and configured. + * + * Event plugins can implement the following properties: + * + * `extractEvents` {function(string, DOMEventTarget, string, object): *} + * Required. When a top-level event is fired, this method is expected to + * extract synthetic events that will in turn be queued and dispatched. + * + * `eventTypes` {object} + * Optional, plugins that fire events must publish a mapping of registration + * names that are used to register listeners. Values of this mapping must + * be objects that contain `registrationName` or `phasedRegistrationNames`. + * + * `executeDispatch` {function(object, function, string)} + * Optional, allows plugins to override how an event gets dispatched. By + * default, the listener is simply invoked. + * + * Each plugin that is injected into `EventsPluginHub` is immediately operable. + * + * @public + */ + +/** + * Methods for injecting dependencies. + */ +var injection = { + /** + * @param {array} InjectedEventPluginOrder + * @public + */ + injectEventPluginOrder: injectEventPluginOrder, + + /** + * @param {object} injectedNamesToPlugins Map from names to plugin modules. + */ + injectEventPluginsByName: injectEventPluginsByName +}; + +/** + * @param {object} inst The instance, which is the source of events. + * @param {string} registrationName Name of listener (e.g. `onClick`). + * @return {?function} The stored callback. + */ +function getListener(inst, registrationName) { + var listener = void 0; + + // TODO: shouldPreventMouseEvent is DOM-specific and definitely should not + // live here; needs to be moved to a better place soon + var stateNode = inst.stateNode; + if (!stateNode) { + // Work in progress (ex: onload events in incremental mode). + return null; + } + var props = getFiberCurrentPropsFromNode(stateNode); + if (!props) { + // Work in progress. + return null; + } + listener = props[registrationName]; + if (shouldPreventMouseEvent(registrationName, inst.type, props)) { + return null; + } + invariant( + !listener || typeof listener === "function", + "Expected `%s` listener to be a function, instead got a value of `%s` type.", + registrationName, + typeof listener + ); + return listener; +} + +/** + * Allows registered plugins an opportunity to extract events from top-level + * native browser events. + * + * @return {*} An accumulation of synthetic events. + * @internal + */ +function extractEvents( + topLevelType, + targetInst, + nativeEvent, + nativeEventTarget +) { + var events = null; + for (var i = 0; i < plugins.length; i++) { + // Not every plugin in the ordering may be loaded at runtime. + var possiblePlugin = plugins[i]; + if (possiblePlugin) { + var extractedEvents = possiblePlugin.extractEvents( + topLevelType, + targetInst, + nativeEvent, + nativeEventTarget + ); + if (extractedEvents) { + events = accumulateInto(events, extractedEvents); + } + } + } + return events; +} + +function runEventsInBatch(events, simulated) { + if (events !== null) { + eventQueue = accumulateInto(eventQueue, events); + } + + // Set `eventQueue` to null before processing it so that we can tell if more + // events get enqueued while processing. + var processingEventQueue = eventQueue; + eventQueue = null; + + if (!processingEventQueue) { + return; + } + + if (simulated) { + forEachAccumulated( + processingEventQueue, + executeDispatchesAndReleaseSimulated + ); + } else { + forEachAccumulated( + processingEventQueue, + executeDispatchesAndReleaseTopLevel + ); + } + invariant( + !eventQueue, + "processEventQueue(): Additional events were enqueued while processing " + + "an event queue. Support for this has not yet been implemented." + ); + // This would be a good time to rethrow if any of the event handlers threw. + ReactErrorUtils.rethrowCaughtError(); +} + +function runExtractedEventsInBatch( + topLevelType, + targetInst, + nativeEvent, + nativeEventTarget +) { + var events = extractEvents( + topLevelType, + targetInst, + nativeEvent, + nativeEventTarget + ); + runEventsInBatch(events, false); +} + +var IndeterminateComponent = 0; // Before we know whether it is functional or class +var FunctionalComponent = 1; +var ClassComponent = 2; +var HostRoot = 3; // Root of a host tree. Could be nested inside another node. +var HostPortal = 4; // A subtree. Could be an entry point to a different renderer. +var HostComponent = 5; +var HostText = 6; +var CallComponent = 7; +var CallHandlerPhase = 8; +var ReturnComponent = 9; +var Fragment = 10; +var Mode = 11; +var ContextConsumer = 12; +var ContextProvider = 13; + +function getParent(inst) { + do { + inst = inst["return"]; + // TODO: If this is a HostRoot we might want to bail out. + // That is depending on if we want nested subtrees (layers) to bubble + // events to their parent. We could also go through parentNode on the + // host node but that wouldn't work for React Native and doesn't let us + // do the portal feature. + } while (inst && inst.tag !== HostComponent); + if (inst) { + return inst; + } + return null; +} + +/** + * Return the lowest common ancestor of A and B, or null if they are in + * different trees. + */ +function getLowestCommonAncestor(instA, instB) { + var depthA = 0; + for (var tempA = instA; tempA; tempA = getParent(tempA)) { + depthA++; + } + var depthB = 0; + for (var tempB = instB; tempB; tempB = getParent(tempB)) { + depthB++; + } + + // If A is deeper, crawl up. + while (depthA - depthB > 0) { + instA = getParent(instA); + depthA--; + } + + // If B is deeper, crawl up. + while (depthB - depthA > 0) { + instB = getParent(instB); + depthB--; + } + + // Walk in lockstep until we find a match. + var depth = depthA; + while (depth--) { + if (instA === instB || instA === instB.alternate) { + return instA; + } + instA = getParent(instA); + instB = getParent(instB); + } + return null; +} + +/** + * Return if A is an ancestor of B. + */ +function isAncestor(instA, instB) { + while (instB) { + if (instA === instB || instA === instB.alternate) { + return true; + } + instB = getParent(instB); + } + return false; +} + +/** + * Return the parent instance of the passed-in instance. + */ +function getParentInstance(inst) { + return getParent(inst); +} + +/** + * Simulates the traversal of a two-phase, capture/bubble event dispatch. + */ +function traverseTwoPhase(inst, fn, arg) { + var path = []; + while (inst) { + path.push(inst); + inst = getParent(inst); + } + var i = void 0; + for (i = path.length; i-- > 0; ) { + fn(path[i], "captured", arg); + } + for (i = 0; i < path.length; i++) { + fn(path[i], "bubbled", arg); + } +} + +/** + * Traverses the ID hierarchy and invokes the supplied `cb` on any IDs that + * should would receive a `mouseEnter` or `mouseLeave` event. + * + * Does not invoke the callback on the nearest common ancestor because nothing + * "entered" or "left" that element. + */ + +/** + * Some event types have a notion of different registration names for different + * "phases" of propagation. This finds listeners by a given phase. + */ +function listenerAtPhase(inst, event, propagationPhase) { + var registrationName = + event.dispatchConfig.phasedRegistrationNames[propagationPhase]; + return getListener(inst, registrationName); +} + +/** + * A small set of propagation patterns, each of which will accept a small amount + * of information, and generate a set of "dispatch ready event objects" - which + * are sets of events that have already been annotated with a set of dispatched + * listener functions/ids. The API is designed this way to discourage these + * propagation strategies from actually executing the dispatches, since we + * always want to collect the entire set of dispatches before executing even a + * single one. + */ + +/** + * Tags a `SyntheticEvent` with dispatched listeners. Creating this function + * here, allows us to not have to bind or create functions for each event. + * Mutating the event's members allows us to not have to create a wrapping + * "dispatch" object that pairs the event with the listener. + */ +function accumulateDirectionalDispatches(inst, phase, event) { + { + warning(inst, "Dispatching inst must not be null"); + } + var listener = listenerAtPhase(inst, event, phase); + if (listener) { + event._dispatchListeners = accumulateInto( + event._dispatchListeners, + listener + ); + event._dispatchInstances = accumulateInto(event._dispatchInstances, inst); + } +} + +/** + * Collect dispatches (must be entirely collected before dispatching - see unit + * tests). Lazily allocate the array to conserve memory. We must loop through + * each event and perform the traversal for each one. We cannot perform a + * single traversal for the entire collection of events because each event may + * have a different target. + */ +function accumulateTwoPhaseDispatchesSingle(event) { + if (event && event.dispatchConfig.phasedRegistrationNames) { + traverseTwoPhase(event._targetInst, accumulateDirectionalDispatches, event); + } +} + +/** + * Same as `accumulateTwoPhaseDispatchesSingle`, but skips over the targetID. + */ +function accumulateTwoPhaseDispatchesSingleSkipTarget(event) { + if (event && event.dispatchConfig.phasedRegistrationNames) { + var targetInst = event._targetInst; + var parentInst = targetInst ? getParentInstance(targetInst) : null; + traverseTwoPhase(parentInst, accumulateDirectionalDispatches, event); + } +} + +/** + * Accumulates without regard to direction, does not look for phased + * registration names. Same as `accumulateDirectDispatchesSingle` but without + * requiring that the `dispatchMarker` be the same as the dispatched ID. + */ +function accumulateDispatches(inst, ignoredDirection, event) { + if (inst && event && event.dispatchConfig.registrationName) { + var registrationName = event.dispatchConfig.registrationName; + var listener = getListener(inst, registrationName); + if (listener) { + event._dispatchListeners = accumulateInto( + event._dispatchListeners, + listener + ); + event._dispatchInstances = accumulateInto(event._dispatchInstances, inst); + } + } +} + +/** + * Accumulates dispatches on an `SyntheticEvent`, but only for the + * `dispatchMarker`. + * @param {SyntheticEvent} event + */ +function accumulateDirectDispatchesSingle(event) { + if (event && event.dispatchConfig.registrationName) { + accumulateDispatches(event._targetInst, null, event); + } +} + +function accumulateTwoPhaseDispatches(events) { + forEachAccumulated(events, accumulateTwoPhaseDispatchesSingle); +} + +function accumulateTwoPhaseDispatchesSkipTarget(events) { + forEachAccumulated(events, accumulateTwoPhaseDispatchesSingleSkipTarget); +} + +function accumulateDirectDispatches(events) { + forEachAccumulated(events, accumulateDirectDispatchesSingle); +} + +/* eslint valid-typeof: 0 */ + +var didWarnForAddedNewProperty = false; +var EVENT_POOL_SIZE = 10; + +var shouldBeReleasedProperties = [ + "dispatchConfig", + "_targetInst", + "nativeEvent", + "isDefaultPrevented", + "isPropagationStopped", + "_dispatchListeners", + "_dispatchInstances" +]; + +/** + * @interface Event + * @see http://www.w3.org/TR/DOM-Level-3-Events/ + */ +var EventInterface = { + type: null, + target: null, + // currentTarget is set when dispatching; no use in copying it here + currentTarget: emptyFunction.thatReturnsNull, + eventPhase: null, + bubbles: null, + cancelable: null, + timeStamp: function(event) { + return event.timeStamp || Date.now(); + }, + defaultPrevented: null, + isTrusted: null +}; + +/** + * Synthetic events are dispatched by event plugins, typically in response to a + * top-level event delegation handler. + * + * These systems should generally use pooling to reduce the frequency of garbage + * collection. The system should check `isPersistent` to determine whether the + * event should be released into the pool after being dispatched. Users that + * need a persisted event should invoke `persist`. + * + * Synthetic events (and subclasses) implement the DOM Level 3 Events API by + * normalizing browser quirks. Subclasses do not necessarily have to implement a + * DOM interface; custom application-specific events can also subclass this. + * + * @param {object} dispatchConfig Configuration used to dispatch this event. + * @param {*} targetInst Marker identifying the event target. + * @param {object} nativeEvent Native browser event. + * @param {DOMEventTarget} nativeEventTarget Target node. + */ +function SyntheticEvent( + dispatchConfig, + targetInst, + nativeEvent, + nativeEventTarget +) { + { + // these have a getter/setter for warnings + delete this.nativeEvent; + delete this.preventDefault; + delete this.stopPropagation; + } + + this.dispatchConfig = dispatchConfig; + this._targetInst = targetInst; + this.nativeEvent = nativeEvent; + + var Interface = this.constructor.Interface; + for (var propName in Interface) { + if (!Interface.hasOwnProperty(propName)) { + continue; + } + { + delete this[propName]; // this has a getter/setter for warnings + } + var normalize = Interface[propName]; + if (normalize) { + this[propName] = normalize(nativeEvent); + } else { + if (propName === "target") { + this.target = nativeEventTarget; + } else { + this[propName] = nativeEvent[propName]; + } + } + } + + var defaultPrevented = + nativeEvent.defaultPrevented != null + ? nativeEvent.defaultPrevented + : nativeEvent.returnValue === false; + if (defaultPrevented) { + this.isDefaultPrevented = emptyFunction.thatReturnsTrue; + } else { + this.isDefaultPrevented = emptyFunction.thatReturnsFalse; + } + this.isPropagationStopped = emptyFunction.thatReturnsFalse; + return this; +} + +Object.assign(SyntheticEvent.prototype, { + preventDefault: function() { + this.defaultPrevented = true; + var event = this.nativeEvent; + if (!event) { + return; + } + + if (event.preventDefault) { + event.preventDefault(); + } else if (typeof event.returnValue !== "unknown") { + event.returnValue = false; + } + this.isDefaultPrevented = emptyFunction.thatReturnsTrue; + }, + + stopPropagation: function() { + var event = this.nativeEvent; + if (!event) { + return; + } + + if (event.stopPropagation) { + event.stopPropagation(); + } else if (typeof event.cancelBubble !== "unknown") { + // The ChangeEventPlugin registers a "propertychange" event for + // IE. This event does not support bubbling or cancelling, and + // any references to cancelBubble throw "Member not found". A + // typeof check of "unknown" circumvents this issue (and is also + // IE specific). + event.cancelBubble = true; + } + + this.isPropagationStopped = emptyFunction.thatReturnsTrue; + }, + + /** + * We release all dispatched `SyntheticEvent`s after each event loop, adding + * them back into the pool. This allows a way to hold onto a reference that + * won't be added back into the pool. + */ + persist: function() { + this.isPersistent = emptyFunction.thatReturnsTrue; + }, + + /** + * Checks if this event should be released back into the pool. + * + * @return {boolean} True if this should not be released, false otherwise. + */ + isPersistent: emptyFunction.thatReturnsFalse, + + /** + * `PooledClass` looks for `destructor` on each instance it releases. + */ + destructor: function() { + var Interface = this.constructor.Interface; + for (var propName in Interface) { + { + Object.defineProperty( + this, + propName, + getPooledWarningPropertyDefinition(propName, Interface[propName]) + ); + } + } + for (var i = 0; i < shouldBeReleasedProperties.length; i++) { + this[shouldBeReleasedProperties[i]] = null; + } + { + Object.defineProperty( + this, + "nativeEvent", + getPooledWarningPropertyDefinition("nativeEvent", null) + ); + Object.defineProperty( + this, + "preventDefault", + getPooledWarningPropertyDefinition("preventDefault", emptyFunction) + ); + Object.defineProperty( + this, + "stopPropagation", + getPooledWarningPropertyDefinition("stopPropagation", emptyFunction) + ); + } + } +}); + +SyntheticEvent.Interface = EventInterface; + +/** + * Helper to reduce boilerplate when creating subclasses. + */ +SyntheticEvent.extend = function(Interface) { + var Super = this; + + var E = function() {}; + E.prototype = Super.prototype; + var prototype = new E(); + + function Class() { + return Super.apply(this, arguments); + } + Object.assign(prototype, Class.prototype); + Class.prototype = prototype; + Class.prototype.constructor = Class; + + Class.Interface = Object.assign({}, Super.Interface, Interface); + Class.extend = Super.extend; + addEventPoolingTo(Class); + + return Class; +}; + +/** Proxying after everything set on SyntheticEvent + * to resolve Proxy issue on some WebKit browsers + * in which some Event properties are set to undefined (GH#10010) + */ +{ + var isProxySupported = + typeof Proxy === "function" && + // https://github.com/facebook/react/issues/12011 + !Object.isSealed(new Proxy({}, {})); + + if (isProxySupported) { + /*eslint-disable no-func-assign */ + SyntheticEvent = new Proxy(SyntheticEvent, { + construct: function(target, args) { + return this.apply(target, Object.create(target.prototype), args); + }, + apply: function(constructor, that, args) { + return new Proxy(constructor.apply(that, args), { + set: function(target, prop, value) { + if ( + prop !== "isPersistent" && + !target.constructor.Interface.hasOwnProperty(prop) && + shouldBeReleasedProperties.indexOf(prop) === -1 + ) { + warning( + didWarnForAddedNewProperty || target.isPersistent(), + "This synthetic event is reused for performance reasons. If you're " + + "seeing this, you're adding a new property in the synthetic event object. " + + "The property is never released. See " + + "https://fb.me/react-event-pooling for more information." + ); + didWarnForAddedNewProperty = true; + } + target[prop] = value; + return true; + } + }); + } + }); + /*eslint-enable no-func-assign */ + } +} + +addEventPoolingTo(SyntheticEvent); + +/** + * Helper to nullify syntheticEvent instance properties when destructing + * + * @param {String} propName + * @param {?object} getVal + * @return {object} defineProperty object + */ +function getPooledWarningPropertyDefinition(propName, getVal) { + var isFunction = typeof getVal === "function"; + return { + configurable: true, + set: set, + get: get + }; + + function set(val) { + var action = isFunction ? "setting the method" : "setting the property"; + warn(action, "This is effectively a no-op"); + return val; + } + + function get() { + var action = isFunction ? "accessing the method" : "accessing the property"; + var result = isFunction + ? "This is a no-op function" + : "This is set to null"; + warn(action, result); + return getVal; + } + + function warn(action, result) { + var warningCondition = false; + warning( + warningCondition, + "This synthetic event is reused for performance reasons. If you're seeing this, " + + "you're %s `%s` on a released/nullified synthetic event. %s. " + + "If you must keep the original synthetic event around, use event.persist(). " + + "See https://fb.me/react-event-pooling for more information.", + action, + propName, + result + ); + } +} + +function getPooledEvent(dispatchConfig, targetInst, nativeEvent, nativeInst) { + var EventConstructor = this; + if (EventConstructor.eventPool.length) { + var instance = EventConstructor.eventPool.pop(); + EventConstructor.call( + instance, + dispatchConfig, + targetInst, + nativeEvent, + nativeInst + ); + return instance; + } + return new EventConstructor( + dispatchConfig, + targetInst, + nativeEvent, + nativeInst + ); +} + +function releasePooledEvent(event) { + var EventConstructor = this; + invariant( + event instanceof EventConstructor, + "Trying to release an event instance into a pool of a different type." + ); + event.destructor(); + if (EventConstructor.eventPool.length < EVENT_POOL_SIZE) { + EventConstructor.eventPool.push(event); + } +} + +function addEventPoolingTo(EventConstructor) { + EventConstructor.eventPool = []; + EventConstructor.getPooled = getPooledEvent; + EventConstructor.release = releasePooledEvent; +} + +var SyntheticEvent$1 = SyntheticEvent; + +/** + * `touchHistory` isn't actually on the native event, but putting it in the + * interface will ensure that it is cleaned up when pooled/destroyed. The + * `ResponderEventPlugin` will populate it appropriately. + */ +var ResponderSyntheticEvent = SyntheticEvent$1.extend({ + touchHistory: function(nativeEvent) { + return null; // Actually doesn't even look at the native event. + } +}); + +/** + * Tracks the position and time of each active touch by `touch.identifier`. We + * should typically only see IDs in the range of 1-20 because IDs get recycled + * when touches end and start again. + */ + +var MAX_TOUCH_BANK = 20; +var touchBank = []; +var touchHistory = { + touchBank: touchBank, + numberActiveTouches: 0, + // If there is only one active touch, we remember its location. This prevents + // us having to loop through all of the touches all the time in the most + // common case. + indexOfSingleActiveTouch: -1, + mostRecentTimeStamp: 0 +}; + +function timestampForTouch(touch) { + // The legacy internal implementation provides "timeStamp", which has been + // renamed to "timestamp". Let both work for now while we iron it out + // TODO (evv): rename timeStamp to timestamp in internal code + return touch.timeStamp || touch.timestamp; +} + +/** + * TODO: Instead of making gestures recompute filtered velocity, we could + * include a built in velocity computation that can be reused globally. + */ +function createTouchRecord(touch) { + return { + touchActive: true, + startPageX: touch.pageX, + startPageY: touch.pageY, + startTimeStamp: timestampForTouch(touch), + currentPageX: touch.pageX, + currentPageY: touch.pageY, + currentTimeStamp: timestampForTouch(touch), + previousPageX: touch.pageX, + previousPageY: touch.pageY, + previousTimeStamp: timestampForTouch(touch) + }; +} + +function resetTouchRecord(touchRecord, touch) { + touchRecord.touchActive = true; + touchRecord.startPageX = touch.pageX; + touchRecord.startPageY = touch.pageY; + touchRecord.startTimeStamp = timestampForTouch(touch); + touchRecord.currentPageX = touch.pageX; + touchRecord.currentPageY = touch.pageY; + touchRecord.currentTimeStamp = timestampForTouch(touch); + touchRecord.previousPageX = touch.pageX; + touchRecord.previousPageY = touch.pageY; + touchRecord.previousTimeStamp = timestampForTouch(touch); +} + +function getTouchIdentifier(_ref) { + var identifier = _ref.identifier; + + invariant(identifier != null, "Touch object is missing identifier."); + { + warning( + identifier <= MAX_TOUCH_BANK, + "Touch identifier %s is greater than maximum supported %s which causes " + + "performance issues backfilling array locations for all of the indices.", + identifier, + MAX_TOUCH_BANK + ); + } + return identifier; +} + +function recordTouchStart(touch) { + var identifier = getTouchIdentifier(touch); + var touchRecord = touchBank[identifier]; + if (touchRecord) { + resetTouchRecord(touchRecord, touch); + } else { + touchBank[identifier] = createTouchRecord(touch); + } + touchHistory.mostRecentTimeStamp = timestampForTouch(touch); +} + +function recordTouchMove(touch) { + var touchRecord = touchBank[getTouchIdentifier(touch)]; + if (touchRecord) { + touchRecord.touchActive = true; + touchRecord.previousPageX = touchRecord.currentPageX; + touchRecord.previousPageY = touchRecord.currentPageY; + touchRecord.previousTimeStamp = touchRecord.currentTimeStamp; + touchRecord.currentPageX = touch.pageX; + touchRecord.currentPageY = touch.pageY; + touchRecord.currentTimeStamp = timestampForTouch(touch); + touchHistory.mostRecentTimeStamp = timestampForTouch(touch); + } else { + console.error( + "Cannot record touch move without a touch start.\n" + "Touch Move: %s\n", + "Touch Bank: %s", + printTouch(touch), + printTouchBank() + ); + } +} + +function recordTouchEnd(touch) { + var touchRecord = touchBank[getTouchIdentifier(touch)]; + if (touchRecord) { + touchRecord.touchActive = false; + touchRecord.previousPageX = touchRecord.currentPageX; + touchRecord.previousPageY = touchRecord.currentPageY; + touchRecord.previousTimeStamp = touchRecord.currentTimeStamp; + touchRecord.currentPageX = touch.pageX; + touchRecord.currentPageY = touch.pageY; + touchRecord.currentTimeStamp = timestampForTouch(touch); + touchHistory.mostRecentTimeStamp = timestampForTouch(touch); + } else { + console.error( + "Cannot record touch end without a touch start.\n" + "Touch End: %s\n", + "Touch Bank: %s", + printTouch(touch), + printTouchBank() + ); + } +} + +function printTouch(touch) { + return JSON.stringify({ + identifier: touch.identifier, + pageX: touch.pageX, + pageY: touch.pageY, + timestamp: timestampForTouch(touch) + }); +} + +function printTouchBank() { + var printed = JSON.stringify(touchBank.slice(0, MAX_TOUCH_BANK)); + if (touchBank.length > MAX_TOUCH_BANK) { + printed += " (original size: " + touchBank.length + ")"; + } + return printed; +} + +var ResponderTouchHistoryStore = { + recordTouchTrack: function(topLevelType, nativeEvent) { + if (isMoveish(topLevelType)) { + nativeEvent.changedTouches.forEach(recordTouchMove); + } else if (isStartish(topLevelType)) { + nativeEvent.changedTouches.forEach(recordTouchStart); + touchHistory.numberActiveTouches = nativeEvent.touches.length; + if (touchHistory.numberActiveTouches === 1) { + touchHistory.indexOfSingleActiveTouch = + nativeEvent.touches[0].identifier; + } + } else if (isEndish(topLevelType)) { + nativeEvent.changedTouches.forEach(recordTouchEnd); + touchHistory.numberActiveTouches = nativeEvent.touches.length; + if (touchHistory.numberActiveTouches === 1) { + for (var i = 0; i < touchBank.length; i++) { + var touchTrackToCheck = touchBank[i]; + if (touchTrackToCheck != null && touchTrackToCheck.touchActive) { + touchHistory.indexOfSingleActiveTouch = i; + break; + } + } + { + var activeRecord = touchBank[touchHistory.indexOfSingleActiveTouch]; + warning( + activeRecord != null && activeRecord.touchActive, + "Cannot find single active touch." + ); + } + } + } + }, + + touchHistory: touchHistory +}; + +/** + * Accumulates items that must not be null or undefined. + * + * This is used to conserve memory by avoiding array allocations. + * + * @return {*|array<*>} An accumulation of items. + */ +function accumulate(current, next) { + invariant( + next != null, + "accumulate(...): Accumulated items must be not be null or undefined." + ); + + if (current == null) { + return next; + } + + // Both are not empty. Warning: Never call x.concat(y) when you are not + // certain that x is an Array (x could be a string with concat method). + if (Array.isArray(current)) { + return current.concat(next); + } + + if (Array.isArray(next)) { + return [current].concat(next); + } + + return [current, next]; +} + +/** + * Instance of element that should respond to touch/move types of interactions, + * as indicated explicitly by relevant callbacks. + */ +var responderInst = null; + +/** + * Count of current touches. A textInput should become responder iff the + * selection changes while there is a touch on the screen. + */ +var trackedTouchCount = 0; + +/** + * Last reported number of active touches. + */ +var previousActiveTouches = 0; + +var changeResponder = function(nextResponderInst, blockHostResponder) { + var oldResponderInst = responderInst; + responderInst = nextResponderInst; + if (ResponderEventPlugin.GlobalResponderHandler !== null) { + ResponderEventPlugin.GlobalResponderHandler.onChange( + oldResponderInst, + nextResponderInst, + blockHostResponder + ); + } +}; + +var eventTypes = { + /** + * On a `touchStart`/`mouseDown`, is it desired that this element become the + * responder? + */ + startShouldSetResponder: { + phasedRegistrationNames: { + bubbled: "onStartShouldSetResponder", + captured: "onStartShouldSetResponderCapture" + } + }, + + /** + * On a `scroll`, is it desired that this element become the responder? This + * is usually not needed, but should be used to retroactively infer that a + * `touchStart` had occurred during momentum scroll. During a momentum scroll, + * a touch start will be immediately followed by a scroll event if the view is + * currently scrolling. + * + * TODO: This shouldn't bubble. + */ + scrollShouldSetResponder: { + phasedRegistrationNames: { + bubbled: "onScrollShouldSetResponder", + captured: "onScrollShouldSetResponderCapture" + } + }, + + /** + * On text selection change, should this element become the responder? This + * is needed for text inputs or other views with native selection, so the + * JS view can claim the responder. + * + * TODO: This shouldn't bubble. + */ + selectionChangeShouldSetResponder: { + phasedRegistrationNames: { + bubbled: "onSelectionChangeShouldSetResponder", + captured: "onSelectionChangeShouldSetResponderCapture" + } + }, + + /** + * On a `touchMove`/`mouseMove`, is it desired that this element become the + * responder? + */ + moveShouldSetResponder: { + phasedRegistrationNames: { + bubbled: "onMoveShouldSetResponder", + captured: "onMoveShouldSetResponderCapture" + } + }, + + /** + * Direct responder events dispatched directly to responder. Do not bubble. + */ + responderStart: { registrationName: "onResponderStart" }, + responderMove: { registrationName: "onResponderMove" }, + responderEnd: { registrationName: "onResponderEnd" }, + responderRelease: { registrationName: "onResponderRelease" }, + responderTerminationRequest: { + registrationName: "onResponderTerminationRequest" + }, + responderGrant: { registrationName: "onResponderGrant" }, + responderReject: { registrationName: "onResponderReject" }, + responderTerminate: { registrationName: "onResponderTerminate" } +}; + +/** + * + * Responder System: + * ---------------- + * + * - A global, solitary "interaction lock" on a view. + * - If a node becomes the responder, it should convey visual feedback + * immediately to indicate so, either by highlighting or moving accordingly. + * - To be the responder means, that touches are exclusively important to that + * responder view, and no other view. + * - While touches are still occurring, the responder lock can be transferred to + * a new view, but only to increasingly "higher" views (meaning ancestors of + * the current responder). + * + * Responder being granted: + * ------------------------ + * + * - Touch starts, moves, and scrolls can cause an ID to become the responder. + * - We capture/bubble `startShouldSetResponder`/`moveShouldSetResponder` to + * the "appropriate place". + * - If nothing is currently the responder, the "appropriate place" is the + * initiating event's `targetID`. + * - If something *is* already the responder, the "appropriate place" is the + * first common ancestor of the event target and the current `responderInst`. + * - Some negotiation happens: See the timing diagram below. + * - Scrolled views automatically become responder. The reasoning is that a + * platform scroll view that isn't built on top of the responder system has + * began scrolling, and the active responder must now be notified that the + * interaction is no longer locked to it - the system has taken over. + * + * - Responder being released: + * As soon as no more touches that *started* inside of descendants of the + * *current* responderInst, an `onResponderRelease` event is dispatched to the + * current responder, and the responder lock is released. + * + * TODO: + * - on "end", a callback hook for `onResponderEndShouldRemainResponder` that + * determines if the responder lock should remain. + * - If a view shouldn't "remain" the responder, any active touches should by + * default be considered "dead" and do not influence future negotiations or + * bubble paths. It should be as if those touches do not exist. + * -- For multitouch: Usually a translate-z will choose to "remain" responder + * after one out of many touches ended. For translate-y, usually the view + * doesn't wish to "remain" responder after one of many touches end. + * - Consider building this on top of a `stopPropagation` model similar to + * `W3C` events. + * - Ensure that `onResponderTerminate` is called on touch cancels, whether or + * not `onResponderTerminationRequest` returns `true` or `false`. + * + */ + +/* Negotiation Performed + +-----------------------+ + / \ +Process low level events to + Current Responder + wantsResponderID +determine who to perform negot-| (if any exists at all) | +iation/transition | Otherwise just pass through| +-------------------------------+----------------------------+------------------+ +Bubble to find first ID | | +to return true:wantsResponderID| | + | | + +-------------+ | | + | onTouchStart| | | + +------+------+ none | | + | return| | ++-----------v-------------+true| +------------------------+ | +|onStartShouldSetResponder|----->|onResponderStart (cur) |<-----------+ ++-----------+-------------+ | +------------------------+ | | + | | | +--------+-------+ + | returned true for| false:REJECT +-------->|onResponderReject + | wantsResponderID | | | +----------------+ + | (now attempt | +------------------+-----+ | + | handoff) | | onResponder | | + +------------------->| TerminationRequest| | + | +------------------+-----+ | + | | | +----------------+ + | true:GRANT +-------->|onResponderGrant| + | | +--------+-------+ + | +------------------------+ | | + | | onResponderTerminate |<-----------+ + | +------------------+-----+ | + | | | +----------------+ + | +-------->|onResponderStart| + | | +----------------+ +Bubble to find first ID | | +to return true:wantsResponderID| | + | | + +-------------+ | | + | onTouchMove | | | + +------+------+ none | | + | return| | ++-----------v-------------+true| +------------------------+ | +|onMoveShouldSetResponder |----->|onResponderMove (cur) |<-----------+ ++-----------+-------------+ | +------------------------+ | | + | | | +--------+-------+ + | returned true for| false:REJECT +-------->|onResponderRejec| + | wantsResponderID | | | +----------------+ + | (now attempt | +------------------+-----+ | + | handoff) | | onResponder | | + +------------------->| TerminationRequest| | + | +------------------+-----+ | + | | | +----------------+ + | true:GRANT +-------->|onResponderGrant| + | | +--------+-------+ + | +------------------------+ | | + | | onResponderTerminate |<-----------+ + | +------------------+-----+ | + | | | +----------------+ + | +-------->|onResponderMove | + | | +----------------+ + | | + | | + Some active touch started| | + inside current responder | +------------------------+ | + +------------------------->| onResponderEnd | | + | | +------------------------+ | + +---+---------+ | | + | onTouchEnd | | | + +---+---------+ | | + | | +------------------------+ | + +------------------------->| onResponderEnd | | + No active touches started| +-----------+------------+ | + inside current responder | | | + | v | + | +------------------------+ | + | | onResponderRelease | | + | +------------------------+ | + | | + + + */ + +/** + * A note about event ordering in the `EventPluginHub`. + * + * Suppose plugins are injected in the following order: + * + * `[R, S, C]` + * + * To help illustrate the example, assume `S` is `SimpleEventPlugin` (for + * `onClick` etc) and `R` is `ResponderEventPlugin`. + * + * "Deferred-Dispatched Events": + * + * - The current event plugin system will traverse the list of injected plugins, + * in order, and extract events by collecting the plugin's return value of + * `extractEvents()`. + * - These events that are returned from `extractEvents` are "deferred + * dispatched events". + * - When returned from `extractEvents`, deferred-dispatched events contain an + * "accumulation" of deferred dispatches. + * - These deferred dispatches are accumulated/collected before they are + * returned, but processed at a later time by the `EventPluginHub` (hence the + * name deferred). + * + * In the process of returning their deferred-dispatched events, event plugins + * themselves can dispatch events on-demand without returning them from + * `extractEvents`. Plugins might want to do this, so that they can use event + * dispatching as a tool that helps them decide which events should be extracted + * in the first place. + * + * "On-Demand-Dispatched Events": + * + * - On-demand-dispatched events are not returned from `extractEvents`. + * - On-demand-dispatched events are dispatched during the process of returning + * the deferred-dispatched events. + * - They should not have side effects. + * - They should be avoided, and/or eventually be replaced with another + * abstraction that allows event plugins to perform multiple "rounds" of event + * extraction. + * + * Therefore, the sequence of event dispatches becomes: + * + * - `R`s on-demand events (if any) (dispatched by `R` on-demand) + * - `S`s on-demand events (if any) (dispatched by `S` on-demand) + * - `C`s on-demand events (if any) (dispatched by `C` on-demand) + * - `R`s extracted events (if any) (dispatched by `EventPluginHub`) + * - `S`s extracted events (if any) (dispatched by `EventPluginHub`) + * - `C`s extracted events (if any) (dispatched by `EventPluginHub`) + * + * In the case of `ResponderEventPlugin`: If the `startShouldSetResponder` + * on-demand dispatch returns `true` (and some other details are satisfied) the + * `onResponderGrant` deferred dispatched event is returned from + * `extractEvents`. The sequence of dispatch executions in this case + * will appear as follows: + * + * - `startShouldSetResponder` (`ResponderEventPlugin` dispatches on-demand) + * - `touchStartCapture` (`EventPluginHub` dispatches as usual) + * - `touchStart` (`EventPluginHub` dispatches as usual) + * - `responderGrant/Reject` (`EventPluginHub` dispatches as usual) + */ + +function setResponderAndExtractTransfer( + topLevelType, + targetInst, + nativeEvent, + nativeEventTarget +) { + var shouldSetEventType = isStartish(topLevelType) + ? eventTypes.startShouldSetResponder + : isMoveish(topLevelType) + ? eventTypes.moveShouldSetResponder + : topLevelType === "topSelectionChange" + ? eventTypes.selectionChangeShouldSetResponder + : eventTypes.scrollShouldSetResponder; + + // TODO: stop one short of the current responder. + var bubbleShouldSetFrom = !responderInst + ? targetInst + : getLowestCommonAncestor(responderInst, targetInst); + + // When capturing/bubbling the "shouldSet" event, we want to skip the target + // (deepest ID) if it happens to be the current responder. The reasoning: + // It's strange to get an `onMoveShouldSetResponder` when you're *already* + // the responder. + var skipOverBubbleShouldSetFrom = bubbleShouldSetFrom === responderInst; + var shouldSetEvent = ResponderSyntheticEvent.getPooled( + shouldSetEventType, + bubbleShouldSetFrom, + nativeEvent, + nativeEventTarget + ); + shouldSetEvent.touchHistory = ResponderTouchHistoryStore.touchHistory; + if (skipOverBubbleShouldSetFrom) { + accumulateTwoPhaseDispatchesSkipTarget(shouldSetEvent); + } else { + accumulateTwoPhaseDispatches(shouldSetEvent); + } + var wantsResponderInst = executeDispatchesInOrderStopAtTrue(shouldSetEvent); + if (!shouldSetEvent.isPersistent()) { + shouldSetEvent.constructor.release(shouldSetEvent); + } + + if (!wantsResponderInst || wantsResponderInst === responderInst) { + return null; + } + var extracted = void 0; + var grantEvent = ResponderSyntheticEvent.getPooled( + eventTypes.responderGrant, + wantsResponderInst, + nativeEvent, + nativeEventTarget + ); + grantEvent.touchHistory = ResponderTouchHistoryStore.touchHistory; + + accumulateDirectDispatches(grantEvent); + var blockHostResponder = executeDirectDispatch(grantEvent) === true; + if (responderInst) { + var terminationRequestEvent = ResponderSyntheticEvent.getPooled( + eventTypes.responderTerminationRequest, + responderInst, + nativeEvent, + nativeEventTarget + ); + terminationRequestEvent.touchHistory = + ResponderTouchHistoryStore.touchHistory; + accumulateDirectDispatches(terminationRequestEvent); + var shouldSwitch = + !hasDispatches(terminationRequestEvent) || + executeDirectDispatch(terminationRequestEvent); + if (!terminationRequestEvent.isPersistent()) { + terminationRequestEvent.constructor.release(terminationRequestEvent); + } + + if (shouldSwitch) { + var terminateEvent = ResponderSyntheticEvent.getPooled( + eventTypes.responderTerminate, + responderInst, + nativeEvent, + nativeEventTarget + ); + terminateEvent.touchHistory = ResponderTouchHistoryStore.touchHistory; + accumulateDirectDispatches(terminateEvent); + extracted = accumulate(extracted, [grantEvent, terminateEvent]); + changeResponder(wantsResponderInst, blockHostResponder); + } else { + var rejectEvent = ResponderSyntheticEvent.getPooled( + eventTypes.responderReject, + wantsResponderInst, + nativeEvent, + nativeEventTarget + ); + rejectEvent.touchHistory = ResponderTouchHistoryStore.touchHistory; + accumulateDirectDispatches(rejectEvent); + extracted = accumulate(extracted, rejectEvent); + } + } else { + extracted = accumulate(extracted, grantEvent); + changeResponder(wantsResponderInst, blockHostResponder); + } + return extracted; +} + +/** + * A transfer is a negotiation between a currently set responder and the next + * element to claim responder status. Any start event could trigger a transfer + * of responderInst. Any move event could trigger a transfer. + * + * @param {string} topLevelType Record from `BrowserEventConstants`. + * @return {boolean} True if a transfer of responder could possibly occur. + */ +function canTriggerTransfer(topLevelType, topLevelInst, nativeEvent) { + return ( + topLevelInst && + // responderIgnoreScroll: We are trying to migrate away from specifically + // tracking native scroll events here and responderIgnoreScroll indicates we + // will send topTouchCancel to handle canceling touch events instead + ((topLevelType === "topScroll" && !nativeEvent.responderIgnoreScroll) || + (trackedTouchCount > 0 && topLevelType === "topSelectionChange") || + isStartish(topLevelType) || + isMoveish(topLevelType)) + ); +} + +/** + * Returns whether or not this touch end event makes it such that there are no + * longer any touches that started inside of the current `responderInst`. + * + * @param {NativeEvent} nativeEvent Native touch end event. + * @return {boolean} Whether or not this touch end event ends the responder. + */ +function noResponderTouches(nativeEvent) { + var touches = nativeEvent.touches; + if (!touches || touches.length === 0) { + return true; + } + for (var i = 0; i < touches.length; i++) { + var activeTouch = touches[i]; + var target = activeTouch.target; + if (target !== null && target !== undefined && target !== 0) { + // Is the original touch location inside of the current responder? + var targetInst = getInstanceFromNode(target); + if (isAncestor(responderInst, targetInst)) { + return false; + } + } + } + return true; +} + +var ResponderEventPlugin = { + /* For unit testing only */ + _getResponder: function() { + return responderInst; + }, + + eventTypes: eventTypes, + + /** + * We must be resilient to `targetInst` being `null` on `touchMove` or + * `touchEnd`. On certain platforms, this means that a native scroll has + * assumed control and the original touch targets are destroyed. + */ + extractEvents: function( + topLevelType, + targetInst, + nativeEvent, + nativeEventTarget + ) { + if (isStartish(topLevelType)) { + trackedTouchCount += 1; + } else if (isEndish(topLevelType)) { + if (trackedTouchCount >= 0) { + trackedTouchCount -= 1; + } else { + console.error( + "Ended a touch event which was not counted in `trackedTouchCount`." + ); + return null; + } + } + + ResponderTouchHistoryStore.recordTouchTrack(topLevelType, nativeEvent); + + var extracted = canTriggerTransfer(topLevelType, targetInst, nativeEvent) + ? setResponderAndExtractTransfer( + topLevelType, + targetInst, + nativeEvent, + nativeEventTarget + ) + : null; + // Responder may or may not have transferred on a new touch start/move. + // Regardless, whoever is the responder after any potential transfer, we + // direct all touch start/move/ends to them in the form of + // `onResponderMove/Start/End`. These will be called for *every* additional + // finger that move/start/end, dispatched directly to whoever is the + // current responder at that moment, until the responder is "released". + // + // These multiple individual change touch events are are always bookended + // by `onResponderGrant`, and one of + // (`onResponderRelease/onResponderTerminate`). + var isResponderTouchStart = responderInst && isStartish(topLevelType); + var isResponderTouchMove = responderInst && isMoveish(topLevelType); + var isResponderTouchEnd = responderInst && isEndish(topLevelType); + var incrementalTouch = isResponderTouchStart + ? eventTypes.responderStart + : isResponderTouchMove + ? eventTypes.responderMove + : isResponderTouchEnd ? eventTypes.responderEnd : null; + + if (incrementalTouch) { + var gesture = ResponderSyntheticEvent.getPooled( + incrementalTouch, + responderInst, + nativeEvent, + nativeEventTarget + ); + gesture.touchHistory = ResponderTouchHistoryStore.touchHistory; + accumulateDirectDispatches(gesture); + extracted = accumulate(extracted, gesture); + } + + var isResponderTerminate = + responderInst && topLevelType === "topTouchCancel"; + var isResponderRelease = + responderInst && + !isResponderTerminate && + isEndish(topLevelType) && + noResponderTouches(nativeEvent); + var finalTouch = isResponderTerminate + ? eventTypes.responderTerminate + : isResponderRelease ? eventTypes.responderRelease : null; + if (finalTouch) { + var finalEvent = ResponderSyntheticEvent.getPooled( + finalTouch, + responderInst, + nativeEvent, + nativeEventTarget + ); + finalEvent.touchHistory = ResponderTouchHistoryStore.touchHistory; + accumulateDirectDispatches(finalEvent); + extracted = accumulate(extracted, finalEvent); + changeResponder(null); + } + + var numberActiveTouches = + ResponderTouchHistoryStore.touchHistory.numberActiveTouches; + if ( + ResponderEventPlugin.GlobalInteractionHandler && + numberActiveTouches !== previousActiveTouches + ) { + ResponderEventPlugin.GlobalInteractionHandler.onChange( + numberActiveTouches + ); + } + previousActiveTouches = numberActiveTouches; + + return extracted; + }, + + GlobalResponderHandler: null, + GlobalInteractionHandler: null, + + injection: { + /** + * @param {{onChange: (ReactID, ReactID) => void} GlobalResponderHandler + * Object that handles any change in responder. Use this to inject + * integration with an existing touch handling system etc. + */ + injectGlobalResponderHandler: function(GlobalResponderHandler) { + ResponderEventPlugin.GlobalResponderHandler = GlobalResponderHandler; + }, + + /** + * @param {{onChange: (numberActiveTouches) => void} GlobalInteractionHandler + * Object that handles any change in the number of active touches. + */ + injectGlobalInteractionHandler: function(GlobalInteractionHandler) { + ResponderEventPlugin.GlobalInteractionHandler = GlobalInteractionHandler; + } + } +}; + +var customBubblingEventTypes = {}; +var customDirectEventTypes = {}; + +var ReactNativeBridgeEventPlugin = { + eventTypes: {}, + + /** + * @see {EventPluginHub.extractEvents} + */ + extractEvents: function( + topLevelType, + targetInst, + nativeEvent, + nativeEventTarget + ) { + var bubbleDispatchConfig = customBubblingEventTypes[topLevelType]; + var directDispatchConfig = customDirectEventTypes[topLevelType]; + invariant( + bubbleDispatchConfig || directDispatchConfig, + 'Unsupported top level event type "%s" dispatched', + topLevelType + ); + var event = SyntheticEvent$1.getPooled( + bubbleDispatchConfig || directDispatchConfig, + targetInst, + nativeEvent, + nativeEventTarget + ); + if (bubbleDispatchConfig) { + accumulateTwoPhaseDispatches(event); + } else if (directDispatchConfig) { + accumulateDirectDispatches(event); + } else { + return null; + } + return event; + }, + + processEventTypes: function(viewConfig) { + var bubblingEventTypes = viewConfig.bubblingEventTypes, + directEventTypes = viewConfig.directEventTypes; + + { + if (bubblingEventTypes != null && directEventTypes != null) { + for (var topLevelType in directEventTypes) { + invariant( + bubblingEventTypes[topLevelType] == null, + "Event cannot be both direct and bubbling: %s", + topLevelType + ); + } + } + } + + if (bubblingEventTypes != null) { + for (var _topLevelType in bubblingEventTypes) { + if (customBubblingEventTypes[_topLevelType] == null) { + ReactNativeBridgeEventPlugin.eventTypes[ + _topLevelType + ] = customBubblingEventTypes[_topLevelType] = + bubblingEventTypes[_topLevelType]; + } + } + } + + if (directEventTypes != null) { + for (var _topLevelType2 in directEventTypes) { + if (customDirectEventTypes[_topLevelType2] == null) { + ReactNativeBridgeEventPlugin.eventTypes[ + _topLevelType2 + ] = customDirectEventTypes[_topLevelType2] = + directEventTypes[_topLevelType2]; + } + } + } + } +}; + +var instanceCache = {}; +var instanceProps = {}; + +function precacheFiberNode(hostInst, tag) { + instanceCache[tag] = hostInst; +} + +function uncacheFiberNode(tag) { + delete instanceCache[tag]; + delete instanceProps[tag]; +} + +function getInstanceFromTag(tag) { + if (typeof tag === "number") { + return instanceCache[tag] || null; + } else { + // Fabric will invoke event emitters on a direct fiber reference + return tag; + } +} + +function getTagFromInstance(inst) { + var tag = inst.stateNode._nativeTag; + if (tag === undefined) { + tag = inst.stateNode.canonical._nativeTag; + } + invariant(tag, "All native instances should have a tag."); + return tag; +} + +function getFiberCurrentPropsFromNode$1(stateNode) { + return instanceProps[stateNode._nativeTag] || null; +} + +function updateFiberProps(tag, props) { + instanceProps[tag] = props; +} + +var ReactNativeComponentTree = Object.freeze({ + precacheFiberNode: precacheFiberNode, + uncacheFiberNode: uncacheFiberNode, + getClosestInstanceFromNode: getInstanceFromTag, + getInstanceFromNode: getInstanceFromTag, + getNodeFromInstance: getTagFromInstance, + getFiberCurrentPropsFromNode: getFiberCurrentPropsFromNode$1, + updateFiberProps: updateFiberProps +}); + +// Use to restore controlled state after a change event has fired. + +var fiberHostComponent = null; + +var restoreTarget = null; +var restoreQueue = null; + +function restoreStateOfTarget(target) { + // We perform this translation at the end of the event loop so that we + // always receive the correct fiber here + var internalInstance = getInstanceFromNode(target); + if (!internalInstance) { + // Unmounted + return; + } + invariant( + fiberHostComponent && + typeof fiberHostComponent.restoreControlledState === "function", + "Fiber needs to be injected to handle a fiber target for controlled " + + "events. This error is likely caused by a bug in React. Please file an issue." + ); + var props = getFiberCurrentPropsFromNode(internalInstance.stateNode); + fiberHostComponent.restoreControlledState( + internalInstance.stateNode, + internalInstance.type, + props + ); +} + +function restoreStateIfNeeded() { + if (!restoreTarget) { + return; + } + var target = restoreTarget; + var queuedTargets = restoreQueue; + restoreTarget = null; + restoreQueue = null; + + restoreStateOfTarget(target); + if (queuedTargets) { + for (var i = 0; i < queuedTargets.length; i++) { + restoreStateOfTarget(queuedTargets[i]); + } + } +} + +// Used as a way to call batchedUpdates when we don't have a reference to +// the renderer. Such as when we're dispatching events or if third party +// libraries need to call batchedUpdates. Eventually, this API will go away when +// everything is batched by default. We'll then have a similar API to opt-out of +// scheduled work and instead do synchronous work. + +// Defaults +var fiberBatchedUpdates = function(fn, bookkeeping) { + return fn(bookkeeping); +}; + +var isNestingBatched = false; +function batchedUpdates(fn, bookkeeping) { + if (isNestingBatched) { + // If we are currently inside another batch, we need to wait until it + // fully completes before restoring state. Therefore, we add the target to + // a queue of work. + return fiberBatchedUpdates(fn, bookkeeping); + } + isNestingBatched = true; + try { + return fiberBatchedUpdates(fn, bookkeeping); + } finally { + // Here we wait until all updates have propagated, which is important + // when using controlled components within layers: + // https://github.com/facebook/react/issues/1698 + // Then we restore state of any controlled component. + isNestingBatched = false; + restoreStateIfNeeded(); + } +} + +var ReactGenericBatchingInjection = { + injectFiberBatchedUpdates: function(_batchedUpdates) { + fiberBatchedUpdates = _batchedUpdates; + } +}; + +var injection$2 = ReactGenericBatchingInjection; + +/** + * Keeps track of allocating and associating native "tags" which are numeric, + * unique view IDs. All the native tags are negative numbers, to avoid + * collisions, but in the JS we keep track of them as positive integers to store + * them effectively in Arrays. So we must refer to them as "inverses" of the + * native tags (that are * normally negative). + * + * It *must* be the case that every `rootNodeID` always maps to the exact same + * `tag` forever. The easiest way to accomplish this is to never delete + * anything from this table. + * Why: Because `dangerouslyReplaceNodeWithMarkupByID` relies on being able to + * unmount a component with a `rootNodeID`, then mount a new one in its place, + */ +var INITIAL_TAG_COUNT = 1; +var ReactNativeTagHandles = { + tagsStartAt: INITIAL_TAG_COUNT, + tagCount: INITIAL_TAG_COUNT, + + allocateTag: function() { + // Skip over root IDs as those are reserved for native + while (this.reactTagIsNativeTopRootID(ReactNativeTagHandles.tagCount)) { + ReactNativeTagHandles.tagCount++; + } + var tag = ReactNativeTagHandles.tagCount; + ReactNativeTagHandles.tagCount++; + return tag; + }, + + assertRootTag: function(tag) { + invariant( + this.reactTagIsNativeTopRootID(tag), + "Expect a native root tag, instead got %s", + tag + ); + }, + + reactTagIsNativeTopRootID: function(reactTag) { + // We reserve all tags that are 1 mod 10 for native root views + return reactTag % 10 === 1; + } +}; + +/** + * Version of `ReactBrowserEventEmitter` that works on the receiving side of a + * serialized worker boundary. + */ + +// Shared default empty native event - conserve memory. +var EMPTY_NATIVE_EVENT = {}; + +/** + * Selects a subsequence of `Touch`es, without destroying `touches`. + * + * @param {Array} touches Deserialized touch objects. + * @param {Array} indices Indices by which to pull subsequence. + * @return {Array} Subsequence of touch objects. + */ +var touchSubsequence = function(touches, indices) { + var ret = []; + for (var i = 0; i < indices.length; i++) { + ret.push(touches[indices[i]]); + } + return ret; +}; + +/** + * TODO: Pool all of this. + * + * Destroys `touches` by removing touch objects at indices `indices`. This is + * to maintain compatibility with W3C touch "end" events, where the active + * touches don't include the set that has just been "ended". + * + * @param {Array} touches Deserialized touch objects. + * @param {Array} indices Indices to remove from `touches`. + * @return {Array} Subsequence of removed touch objects. + */ +var removeTouchesAtIndices = function(touches, indices) { + var rippedOut = []; + // use an unsafe downcast to alias to nullable elements, + // so we can delete and then compact. + var temp = touches; + for (var i = 0; i < indices.length; i++) { + var index = indices[i]; + rippedOut.push(touches[index]); + temp[index] = null; + } + var fillAt = 0; + for (var j = 0; j < temp.length; j++) { + var cur = temp[j]; + if (cur !== null) { + temp[fillAt++] = cur; + } + } + temp.length = fillAt; + return rippedOut; +}; + +/** + * Internal version of `receiveEvent` in terms of normalized (non-tag) + * `rootNodeID`. + * + * @see receiveEvent. + * + * @param {rootNodeID} rootNodeID React root node ID that event occurred on. + * @param {TopLevelType} topLevelType Top level type of event. + * @param {?object} nativeEventParam Object passed from native. + */ +function _receiveRootNodeIDEvent(rootNodeID, topLevelType, nativeEventParam) { + var nativeEvent = nativeEventParam || EMPTY_NATIVE_EVENT; + var inst = getInstanceFromTag(rootNodeID); + batchedUpdates(function() { + runExtractedEventsInBatch( + topLevelType, + inst, + nativeEvent, + nativeEvent.target + ); + }); + // React Native doesn't use ReactControlledComponent but if it did, here's + // where it would do it. +} + +/** + * Publicly exposed method on module for native objc to invoke when a top + * level event is extracted. + * @param {rootNodeID} rootNodeID React root node ID that event occurred on. + * @param {TopLevelType} topLevelType Top level type of event. + * @param {object} nativeEventParam Object passed from native. + */ +function receiveEvent(rootNodeID, topLevelType, nativeEventParam) { + _receiveRootNodeIDEvent(rootNodeID, topLevelType, nativeEventParam); +} + +/** + * Simple multi-wrapper around `receiveEvent` that is intended to receive an + * efficient representation of `Touch` objects, and other information that + * can be used to construct W3C compliant `Event` and `Touch` lists. + * + * This may create dispatch behavior that differs than web touch handling. We + * loop through each of the changed touches and receive it as a single event. + * So two `touchStart`/`touchMove`s that occur simultaneously are received as + * two separate touch event dispatches - when they arguably should be one. + * + * This implementation reuses the `Touch` objects themselves as the `Event`s + * since we dispatch an event for each touch (though that might not be spec + * compliant). The main purpose of reusing them is to save allocations. + * + * TODO: Dispatch multiple changed touches in one event. The bubble path + * could be the first common ancestor of all the `changedTouches`. + * + * One difference between this behavior and W3C spec: cancelled touches will + * not appear in `.touches`, or in any future `.touches`, though they may + * still be "actively touching the surface". + * + * Web desktop polyfills only need to construct a fake touch event with + * identifier 0, also abandoning traditional click handlers. + */ +function receiveTouches(eventTopLevelType, touches, changedIndices) { + var changedTouches = + eventTopLevelType === "topTouchEnd" || + eventTopLevelType === "topTouchCancel" + ? removeTouchesAtIndices(touches, changedIndices) + : touchSubsequence(touches, changedIndices); + + for (var jj = 0; jj < changedTouches.length; jj++) { + var touch = changedTouches[jj]; + // Touch objects can fulfill the role of `DOM` `Event` objects if we set + // the `changedTouches`/`touches`. This saves allocations. + touch.changedTouches = changedTouches; + touch.touches = touches; + var nativeEvent = touch; + var rootNodeID = null; + var target = nativeEvent.target; + if (target !== null && target !== undefined) { + if (target < ReactNativeTagHandles.tagsStartAt) { + { + warning( + false, + "A view is reporting that a touch occurred on tag zero." + ); + } + } else { + rootNodeID = target; + } + } + // $FlowFixMe Shouldn't we *not* call it if rootNodeID is null? + _receiveRootNodeIDEvent(rootNodeID, eventTopLevelType, nativeEvent); + } +} + +var ReactNativeEventEmitter = Object.freeze({ + getListener: getListener, + registrationNames: registrationNameModules, + _receiveRootNodeIDEvent: _receiveRootNodeIDEvent, + receiveEvent: receiveEvent, + receiveTouches: receiveTouches +}); + +var ReactNativeEventPluginOrder = [ + "ResponderEventPlugin", + "ReactNativeBridgeEventPlugin" +]; + +// Module provided by RN: +var ReactNativeGlobalResponderHandler = { + onChange: function(from, to, blockNativeResponder) { + if (to !== null) { + var tag = to.stateNode._nativeTag; + UIManager.setJSResponder(tag, blockNativeResponder); + } else { + UIManager.clearJSResponder(); + } + } +}; + +/** + * Make sure essential globals are available and are patched correctly. Please don't remove this + * line. Bundles created by react-packager `require` it before executing any application code. This + * ensures it exists in the dependency graph and can be `require`d. + * TODO: require this in packager, not in React #10932517 + */ +// Module provided by RN: +// Module provided by RN: +/** + * Register the event emitter with the native bridge + */ +RCTEventEmitter.register(ReactNativeEventEmitter); + +/** + * Inject module for resolving DOM hierarchy and plugin ordering. + */ +injection.injectEventPluginOrder(ReactNativeEventPluginOrder); +injection$1.injectComponentTree(ReactNativeComponentTree); + +ResponderEventPlugin.injection.injectGlobalResponderHandler( + ReactNativeGlobalResponderHandler +); + +/** + * Some important event plugins included by default (without having to require + * them). + */ +injection.injectEventPluginsByName({ + ResponderEventPlugin: ResponderEventPlugin, + ReactNativeBridgeEventPlugin: ReactNativeBridgeEventPlugin +}); + +// The Symbol used to tag the ReactElement-like types. If there is no native Symbol +// nor polyfill, then a plain number is used for performance. +var hasSymbol = typeof Symbol === "function" && Symbol["for"]; + +var REACT_ELEMENT_TYPE = hasSymbol ? Symbol["for"]("react.element") : 0xeac7; +var REACT_CALL_TYPE = hasSymbol ? Symbol["for"]("react.call") : 0xeac8; +var REACT_RETURN_TYPE = hasSymbol ? Symbol["for"]("react.return") : 0xeac9; +var REACT_PORTAL_TYPE = hasSymbol ? Symbol["for"]("react.portal") : 0xeaca; +var REACT_FRAGMENT_TYPE = hasSymbol ? Symbol["for"]("react.fragment") : 0xeacb; +var REACT_STRICT_MODE_TYPE = hasSymbol + ? Symbol["for"]("react.strict_mode") + : 0xeacc; +var REACT_PROVIDER_TYPE = hasSymbol ? Symbol["for"]("react.provider") : 0xeacd; +var REACT_CONTEXT_TYPE = hasSymbol ? Symbol["for"]("react.context") : 0xeace; + +var MAYBE_ITERATOR_SYMBOL = typeof Symbol === "function" && Symbol.iterator; +var FAUX_ITERATOR_SYMBOL = "@@iterator"; + +function getIteratorFn(maybeIterable) { + if (maybeIterable === null || typeof maybeIterable === "undefined") { + return null; + } + var maybeIterator = + (MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL]) || + maybeIterable[FAUX_ITERATOR_SYMBOL]; + if (typeof maybeIterator === "function") { + return maybeIterator; + } + return null; +} + +function createPortal( + children, + containerInfo, + // TODO: figure out the API for cross-renderer implementation. + implementation +) { + var key = + arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null; + + return { + // This tag allow us to uniquely identify this as a React Portal + $$typeof: REACT_PORTAL_TYPE, + key: key == null ? null : "" + key, + children: children, + containerInfo: containerInfo, + implementation: implementation + }; +} + +var TouchHistoryMath = { + /** + * This code is optimized and not intended to look beautiful. This allows + * computing of touch centroids that have moved after `touchesChangedAfter` + * timeStamp. You can compute the current centroid involving all touches + * moves after `touchesChangedAfter`, or you can compute the previous + * centroid of all touches that were moved after `touchesChangedAfter`. + * + * @param {TouchHistoryMath} touchHistory Standard Responder touch track + * data. + * @param {number} touchesChangedAfter timeStamp after which moved touches + * are considered "actively moving" - not just "active". + * @param {boolean} isXAxis Consider `x` dimension vs. `y` dimension. + * @param {boolean} ofCurrent Compute current centroid for actively moving + * touches vs. previous centroid of now actively moving touches. + * @return {number} value of centroid in specified dimension. + */ + centroidDimension: function( + touchHistory, + touchesChangedAfter, + isXAxis, + ofCurrent + ) { + var touchBank = touchHistory.touchBank; + var total = 0; + var count = 0; + + var oneTouchData = + touchHistory.numberActiveTouches === 1 + ? touchHistory.touchBank[touchHistory.indexOfSingleActiveTouch] + : null; + + if (oneTouchData !== null) { + if ( + oneTouchData.touchActive && + oneTouchData.currentTimeStamp > touchesChangedAfter + ) { + total += + ofCurrent && isXAxis + ? oneTouchData.currentPageX + : ofCurrent && !isXAxis + ? oneTouchData.currentPageY + : !ofCurrent && isXAxis + ? oneTouchData.previousPageX + : oneTouchData.previousPageY; + count = 1; + } + } else { + for (var i = 0; i < touchBank.length; i++) { + var touchTrack = touchBank[i]; + if ( + touchTrack !== null && + touchTrack !== undefined && + touchTrack.touchActive && + touchTrack.currentTimeStamp >= touchesChangedAfter + ) { + var toAdd = void 0; // Yuck, program temporarily in invalid state. + if (ofCurrent && isXAxis) { + toAdd = touchTrack.currentPageX; + } else if (ofCurrent && !isXAxis) { + toAdd = touchTrack.currentPageY; + } else if (!ofCurrent && isXAxis) { + toAdd = touchTrack.previousPageX; + } else { + toAdd = touchTrack.previousPageY; + } + total += toAdd; + count++; + } + } + } + return count > 0 ? total / count : TouchHistoryMath.noCentroid; + }, + + currentCentroidXOfTouchesChangedAfter: function( + touchHistory, + touchesChangedAfter + ) { + return TouchHistoryMath.centroidDimension( + touchHistory, + touchesChangedAfter, + true, // isXAxis + true + ); + }, + + currentCentroidYOfTouchesChangedAfter: function( + touchHistory, + touchesChangedAfter + ) { + return TouchHistoryMath.centroidDimension( + touchHistory, + touchesChangedAfter, + false, // isXAxis + true + ); + }, + + previousCentroidXOfTouchesChangedAfter: function( + touchHistory, + touchesChangedAfter + ) { + return TouchHistoryMath.centroidDimension( + touchHistory, + touchesChangedAfter, + true, // isXAxis + false + ); + }, + + previousCentroidYOfTouchesChangedAfter: function( + touchHistory, + touchesChangedAfter + ) { + return TouchHistoryMath.centroidDimension( + touchHistory, + touchesChangedAfter, + false, // isXAxis + false + ); + }, + + currentCentroidX: function(touchHistory) { + return TouchHistoryMath.centroidDimension( + touchHistory, + 0, // touchesChangedAfter + true, // isXAxis + true + ); + }, + + currentCentroidY: function(touchHistory) { + return TouchHistoryMath.centroidDimension( + touchHistory, + 0, // touchesChangedAfter + false, // isXAxis + true + ); + }, + + noCentroid: -1 +}; + +var ReactInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED; + +var ReactCurrentOwner = ReactInternals.ReactCurrentOwner; +var ReactDebugCurrentFrame = ReactInternals.ReactDebugCurrentFrame; + +var ReactGlobalSharedState = Object.freeze({ + ReactCurrentOwner: ReactCurrentOwner, + ReactDebugCurrentFrame: ReactDebugCurrentFrame +}); + +// TODO: this is special because it gets imported during build. + +var ReactVersion = "16.2.0"; + +function _classCallCheck(instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } +} + +var objects = {}; +var uniqueID = 1; +var emptyObject$2 = {}; + +var ReactNativePropRegistry = (function() { + function ReactNativePropRegistry() { + _classCallCheck(this, ReactNativePropRegistry); + } + + ReactNativePropRegistry.register = function register(object) { + var id = ++uniqueID; + { + Object.freeze(object); + } + objects[id] = object; + return id; + }; + + ReactNativePropRegistry.getByID = function getByID(id) { + if (!id) { + // Used in the style={[condition && id]} pattern, + // we want it to be a no-op when the value is false or null + return emptyObject$2; + } + + var object = objects[id]; + if (!object) { + console.warn("Invalid style with id `" + id + "`. Skipping ..."); + return emptyObject$2; + } + return object; + }; + + return ReactNativePropRegistry; +})(); + +// Modules provided by RN: +var emptyObject$1 = {}; + +/** + * Create a payload that contains all the updates between two sets of props. + * + * These helpers are all encapsulated into a single module, because they use + * mutation as a performance optimization which leads to subtle shared + * dependencies between the code paths. To avoid this mutable state leaking + * across modules, I've kept them isolated to this module. + */ + +// Tracks removed keys +var removedKeys = null; +var removedKeyCount = 0; + +function defaultDiffer(prevProp, nextProp) { + if (typeof nextProp !== "object" || nextProp === null) { + // Scalars have already been checked for equality + return true; + } else { + // For objects and arrays, the default diffing algorithm is a deep compare + return deepDiffer(prevProp, nextProp); + } +} + +function resolveObject(idOrObject) { + if (typeof idOrObject === "number") { + return ReactNativePropRegistry.getByID(idOrObject); + } + return idOrObject; +} + +function restoreDeletedValuesInNestedArray( + updatePayload, + node, + validAttributes +) { + if (Array.isArray(node)) { + var i = node.length; + while (i-- && removedKeyCount > 0) { + restoreDeletedValuesInNestedArray( + updatePayload, + node[i], + validAttributes + ); + } + } else if (node && removedKeyCount > 0) { + var obj = resolveObject(node); + for (var propKey in removedKeys) { + if (!removedKeys[propKey]) { + continue; + } + var _nextProp = obj[propKey]; + if (_nextProp === undefined) { + continue; + } + + var attributeConfig = validAttributes[propKey]; + if (!attributeConfig) { + continue; // not a valid native prop + } + + if (typeof _nextProp === "function") { + _nextProp = true; + } + if (typeof _nextProp === "undefined") { + _nextProp = null; + } + + if (typeof attributeConfig !== "object") { + // case: !Object is the default case + updatePayload[propKey] = _nextProp; + } else if ( + typeof attributeConfig.diff === "function" || + typeof attributeConfig.process === "function" + ) { + // case: CustomAttributeConfiguration + var nextValue = + typeof attributeConfig.process === "function" + ? attributeConfig.process(_nextProp) + : _nextProp; + updatePayload[propKey] = nextValue; + } + removedKeys[propKey] = false; + removedKeyCount--; + } + } +} + +function diffNestedArrayProperty( + updatePayload, + prevArray, + nextArray, + validAttributes +) { + var minLength = + prevArray.length < nextArray.length ? prevArray.length : nextArray.length; + var i = void 0; + for (i = 0; i < minLength; i++) { + // Diff any items in the array in the forward direction. Repeated keys + // will be overwritten by later values. + updatePayload = diffNestedProperty( + updatePayload, + prevArray[i], + nextArray[i], + validAttributes + ); + } + for (; i < prevArray.length; i++) { + // Clear out all remaining properties. + updatePayload = clearNestedProperty( + updatePayload, + prevArray[i], + validAttributes + ); + } + for (; i < nextArray.length; i++) { + // Add all remaining properties. + updatePayload = addNestedProperty( + updatePayload, + nextArray[i], + validAttributes + ); + } + return updatePayload; +} + +function diffNestedProperty( + updatePayload, + prevProp, + nextProp, + validAttributes +) { + if (!updatePayload && prevProp === nextProp) { + // If no properties have been added, then we can bail out quickly on object + // equality. + return updatePayload; + } + + if (!prevProp || !nextProp) { + if (nextProp) { + return addNestedProperty(updatePayload, nextProp, validAttributes); + } + if (prevProp) { + return clearNestedProperty(updatePayload, prevProp, validAttributes); + } + return updatePayload; + } + + if (!Array.isArray(prevProp) && !Array.isArray(nextProp)) { + // Both are leaves, we can diff the leaves. + return diffProperties( + updatePayload, + resolveObject(prevProp), + resolveObject(nextProp), + validAttributes + ); + } + + if (Array.isArray(prevProp) && Array.isArray(nextProp)) { + // Both are arrays, we can diff the arrays. + return diffNestedArrayProperty( + updatePayload, + prevProp, + nextProp, + validAttributes + ); + } + + if (Array.isArray(prevProp)) { + return diffProperties( + updatePayload, + // $FlowFixMe - We know that this is always an object when the input is. + flattenStyle(prevProp), + // $FlowFixMe - We know that this isn't an array because of above flow. + resolveObject(nextProp), + validAttributes + ); + } + + return diffProperties( + updatePayload, + resolveObject(prevProp), + // $FlowFixMe - We know that this is always an object when the input is. + flattenStyle(nextProp), + validAttributes + ); +} + +/** + * addNestedProperty takes a single set of props and valid attribute + * attribute configurations. It processes each prop and adds it to the + * updatePayload. + */ +function addNestedProperty(updatePayload, nextProp, validAttributes) { + if (!nextProp) { + return updatePayload; + } + + if (!Array.isArray(nextProp)) { + // Add each property of the leaf. + return addProperties( + updatePayload, + resolveObject(nextProp), + validAttributes + ); + } + + for (var i = 0; i < nextProp.length; i++) { + // Add all the properties of the array. + updatePayload = addNestedProperty( + updatePayload, + nextProp[i], + validAttributes + ); + } + + return updatePayload; +} + +/** + * clearNestedProperty takes a single set of props and valid attributes. It + * adds a null sentinel to the updatePayload, for each prop key. + */ +function clearNestedProperty(updatePayload, prevProp, validAttributes) { + if (!prevProp) { + return updatePayload; + } + + if (!Array.isArray(prevProp)) { + // Add each property of the leaf. + return clearProperties( + updatePayload, + resolveObject(prevProp), + validAttributes + ); + } + + for (var i = 0; i < prevProp.length; i++) { + // Add all the properties of the array. + updatePayload = clearNestedProperty( + updatePayload, + prevProp[i], + validAttributes + ); + } + return updatePayload; +} + +/** + * diffProperties takes two sets of props and a set of valid attributes + * and write to updatePayload the values that changed or were deleted. + * If no updatePayload is provided, a new one is created and returned if + * anything changed. + */ +function diffProperties(updatePayload, prevProps, nextProps, validAttributes) { + var attributeConfig = void 0; + var nextProp = void 0; + var prevProp = void 0; + + for (var propKey in nextProps) { + attributeConfig = validAttributes[propKey]; + if (!attributeConfig) { + continue; // not a valid native prop + } + + prevProp = prevProps[propKey]; + nextProp = nextProps[propKey]; + + // functions are converted to booleans as markers that the associated + // events should be sent from native. + if (typeof nextProp === "function") { + nextProp = true; + // If nextProp is not a function, then don't bother changing prevProp + // since nextProp will win and go into the updatePayload regardless. + if (typeof prevProp === "function") { + prevProp = true; + } + } + + // An explicit value of undefined is treated as a null because it overrides + // any other preceding value. + if (typeof nextProp === "undefined") { + nextProp = null; + if (typeof prevProp === "undefined") { + prevProp = null; + } + } + + if (removedKeys) { + removedKeys[propKey] = false; + } + + if (updatePayload && updatePayload[propKey] !== undefined) { + // Something else already triggered an update to this key because another + // value diffed. Since we're now later in the nested arrays our value is + // more important so we need to calculate it and override the existing + // value. It doesn't matter if nothing changed, we'll set it anyway. + + // Pattern match on: attributeConfig + if (typeof attributeConfig !== "object") { + // case: !Object is the default case + updatePayload[propKey] = nextProp; + } else if ( + typeof attributeConfig.diff === "function" || + typeof attributeConfig.process === "function" + ) { + // case: CustomAttributeConfiguration + var nextValue = + typeof attributeConfig.process === "function" + ? attributeConfig.process(nextProp) + : nextProp; + updatePayload[propKey] = nextValue; + } + continue; + } + + if (prevProp === nextProp) { + continue; // nothing changed + } + + // Pattern match on: attributeConfig + if (typeof attributeConfig !== "object") { + // case: !Object is the default case + if (defaultDiffer(prevProp, nextProp)) { + // a normal leaf has changed + (updatePayload || (updatePayload = {}))[propKey] = nextProp; + } + } else if ( + typeof attributeConfig.diff === "function" || + typeof attributeConfig.process === "function" + ) { + // case: CustomAttributeConfiguration + var shouldUpdate = + prevProp === undefined || + (typeof attributeConfig.diff === "function" + ? attributeConfig.diff(prevProp, nextProp) + : defaultDiffer(prevProp, nextProp)); + if (shouldUpdate) { + var _nextValue = + typeof attributeConfig.process === "function" + ? attributeConfig.process(nextProp) + : nextProp; + (updatePayload || (updatePayload = {}))[propKey] = _nextValue; + } + } else { + // default: fallthrough case when nested properties are defined + removedKeys = null; + removedKeyCount = 0; + // We think that attributeConfig is not CustomAttributeConfiguration at + // this point so we assume it must be AttributeConfiguration. + updatePayload = diffNestedProperty( + updatePayload, + prevProp, + nextProp, + attributeConfig + ); + if (removedKeyCount > 0 && updatePayload) { + restoreDeletedValuesInNestedArray( + updatePayload, + nextProp, + attributeConfig + ); + removedKeys = null; + } + } + } + + // Also iterate through all the previous props to catch any that have been + // removed and make sure native gets the signal so it can reset them to the + // default. + for (var _propKey in prevProps) { + if (nextProps[_propKey] !== undefined) { + continue; // we've already covered this key in the previous pass + } + attributeConfig = validAttributes[_propKey]; + if (!attributeConfig) { + continue; // not a valid native prop + } + + if (updatePayload && updatePayload[_propKey] !== undefined) { + // This was already updated to a diff result earlier. + continue; + } + + prevProp = prevProps[_propKey]; + if (prevProp === undefined) { + continue; // was already empty anyway + } + // Pattern match on: attributeConfig + if ( + typeof attributeConfig !== "object" || + typeof attributeConfig.diff === "function" || + typeof attributeConfig.process === "function" + ) { + // case: CustomAttributeConfiguration | !Object + // Flag the leaf property for removal by sending a sentinel. + (updatePayload || (updatePayload = {}))[_propKey] = null; + if (!removedKeys) { + removedKeys = {}; + } + if (!removedKeys[_propKey]) { + removedKeys[_propKey] = true; + removedKeyCount++; + } + } else { + // default: + // This is a nested attribute configuration where all the properties + // were removed so we need to go through and clear out all of them. + updatePayload = clearNestedProperty( + updatePayload, + prevProp, + attributeConfig + ); + } + } + return updatePayload; +} + +/** + * addProperties adds all the valid props to the payload after being processed. + */ +function addProperties(updatePayload, props, validAttributes) { + // TODO: Fast path + return diffProperties(updatePayload, emptyObject$1, props, validAttributes); +} + +/** + * clearProperties clears all the previous props by adding a null sentinel + * to the payload for each valid key. + */ +function clearProperties(updatePayload, prevProps, validAttributes) { + // TODO: Fast path + return diffProperties( + updatePayload, + prevProps, + emptyObject$1, + validAttributes + ); +} + +function create(props, validAttributes) { + return addProperties( + null, // updatePayload + props, + validAttributes + ); +} + +function diff(prevProps, nextProps, validAttributes) { + return diffProperties( + null, // updatePayload + prevProps, + nextProps, + validAttributes + ); +} + +/** + * In the future, we should cleanup callbacks by cancelling them instead of + * using this. + */ +function mountSafeCallback(context, callback) { + return function() { + if (!callback) { + return undefined; + } + if (typeof context.__isMounted === "boolean") { + // TODO(gaearon): this is gross and should be removed. + // It is currently necessary because View uses createClass, + // and so any measure() calls on View (which are done by React + // DevTools) trigger the isMounted() deprecation warning. + if (!context.__isMounted) { + return undefined; + } + // The else branch is important so that we don't + // trigger the deprecation warning by calling isMounted. + } else if (typeof context.isMounted === "function") { + if (!context.isMounted()) { + return undefined; + } + } + return callback.apply(context, arguments); + }; +} + +function throwOnStylesProp(component, props) { + if (props.styles !== undefined) { + var owner = component._owner || null; + var name = component.constructor.displayName; + var msg = + "`styles` is not a supported property of `" + + name + + "`, did " + + "you mean `style` (singular)?"; + if (owner && owner.constructor && owner.constructor.displayName) { + msg += + "\n\nCheck the `" + + owner.constructor.displayName + + "` parent " + + " component."; + } + throw new Error(msg); + } +} + +function warnForStyleProps(props, validAttributes) { + for (var key in validAttributes.style) { + if (!(validAttributes[key] || props[key] === undefined)) { + console.error( + "You are setting the style `{ " + + key + + ": ... }` as a prop. You " + + "should nest it in a style object. " + + "E.g. `{ style: { " + + key + + ": ... } }`" + ); + } + } +} + +/** + * `ReactInstanceMap` maintains a mapping from a public facing stateful + * instance (key) and the internal representation (value). This allows public + * methods to accept the user facing instance as an argument and map them back + * to internal methods. + * + * Note that this module is currently shared and assumed to be stateless. + * If this becomes an actual Map, that will break. + */ + +/** + * This API should be called `delete` but we'd have to make sure to always + * transform these to strings for IE support. When this transform is fully + * supported we can rename it. + */ + +function get(key) { + return key._reactInternalFiber; +} + +function set(key, value) { + key._reactInternalFiber = value; +} + +function getComponentName(fiber) { + var type = fiber.type; + + if (typeof type === "function") { + return type.displayName || type.name; + } + if (typeof type === "string") { + return type; + } + switch (type) { + case REACT_FRAGMENT_TYPE: + return "ReactFragment"; + case REACT_PORTAL_TYPE: + return "ReactPortal"; + case REACT_CALL_TYPE: + return "ReactCall"; + case REACT_RETURN_TYPE: + return "ReactReturn"; + } + return null; +} + +// TODO: Share this module between Fabric and React Native renderers +// so that both can be used in the same tree. + +var findHostInstance = function(fiber) { + return null; +}; + +var findHostInstanceFabric = function(fiber) { + return null; +}; + +function injectFindHostInstanceFabric(impl) { + findHostInstanceFabric = impl; +} + +/** + * ReactNative vs ReactWeb + * ----------------------- + * React treats some pieces of data opaquely. This means that the information + * is first class (it can be passed around), but cannot be inspected. This + * allows us to build infrastructure that reasons about resources, without + * making assumptions about the nature of those resources, and this allows that + * infra to be shared across multiple platforms, where the resources are very + * different. General infra (such as `ReactMultiChild`) reasons opaquely about + * the data, but platform specific code (such as `ReactNativeBaseComponent`) can + * make assumptions about the data. + * + * + * `rootNodeID`, uniquely identifies a position in the generated native view + * tree. Many layers of composite components (created with `React.createClass`) + * can all share the same `rootNodeID`. + * + * `nodeHandle`: A sufficiently unambiguous way to refer to a lower level + * resource (dom node, native view etc). The `rootNodeID` is sufficient for web + * `nodeHandle`s, because the position in a tree is always enough to uniquely + * identify a DOM node (we never have nodes in some bank outside of the + * document). The same would be true for `ReactNative`, but we must maintain a + * mapping that we can send efficiently serializable + * strings across native boundaries. + * + * Opaque name TodaysWebReact FutureWebWorkerReact ReactNative + * ---------------------------------------------------------------------------- + * nodeHandle N/A rootNodeID tag + */ + +// TODO (bvaughn) Rename the findNodeHandle module to something more descriptive +// eg findInternalHostInstance. This will reduce the likelihood of someone +// accidentally deep-requiring this version. +function findNodeHandle(componentOrHandle) { + { + var owner = ReactCurrentOwner.current; + if (owner !== null && owner.stateNode !== null) { + warning( + owner.stateNode._warnedAboutRefsInRender, + "%s is accessing findNodeHandle inside its render(). " + + "render() should be a pure function of props and state. It should " + + "never access something that requires stale data from the previous " + + "render, such as refs. Move this logic to componentDidMount and " + + "componentDidUpdate instead.", + getComponentName(owner) || "A component" + ); + + owner.stateNode._warnedAboutRefsInRender = true; + } + } + if (componentOrHandle == null) { + return null; + } + if (typeof componentOrHandle === "number") { + // Already a node handle + return componentOrHandle; + } + + var component = componentOrHandle; + + // TODO (balpert): Wrap iOS native components in a composite wrapper, then + // ReactInstanceMap.get here will always succeed for mounted components + var internalInstance = get(component); + if (internalInstance) { + return ( + findHostInstance(internalInstance) || + findHostInstanceFabric(internalInstance) + ); + } else { + if (component) { + return component; + } else { + invariant( + // Native + (typeof component === "object" && "_nativeTag" in component) || + // Composite + (component.render != null && typeof component.render === "function"), + "findNodeHandle(...): Argument is not a component " + + "(type: %s, keys: %s)", + typeof component, + Object.keys(component) + ); + invariant( + false, + "findNodeHandle(...): Unable to find node handle for unmounted " + + "component." + ); + } + } +} + +/** + * External users of findNodeHandle() expect the host tag number return type. + * The injected findNodeHandle() strategy returns the instance wrapper though. + * See NativeMethodsMixin#setNativeProps for more info on why this is done. + */ +function findNumericNodeHandleFiber(componentOrHandle) { + var instance = findNodeHandle(componentOrHandle); + if (instance == null || typeof instance === "number") { + return instance; + } + return instance._nativeTag; +} + +// Modules provided by RN: +/** + * `NativeMethodsMixin` provides methods to access the underlying native + * component directly. This can be useful in cases when you want to focus + * a view or measure its on-screen dimensions, for example. + * + * The methods described here are available on most of the default components + * provided by React Native. Note, however, that they are *not* available on + * composite components that aren't directly backed by a native view. This will + * generally include most components that you define in your own app. For more + * information, see [Direct + * Manipulation](docs/direct-manipulation.html). + * + * Note the Flow $Exact<> syntax is required to support mixins. + * React createClass mixins can only be used with exact types. + */ +var NativeMethodsMixin = { + /** + * Determines the location on screen, width, and height of the given view and + * returns the values via an async callback. If successful, the callback will + * be called with the following arguments: + * + * - x + * - y + * - width + * - height + * - pageX + * - pageY + * + * Note that these measurements are not available until after the rendering + * has been completed in native. If you need the measurements as soon as + * possible, consider using the [`onLayout` + * prop](docs/view.html#onlayout) instead. + */ + measure: function(callback) { + UIManager.measure( + findNumericNodeHandleFiber(this), + mountSafeCallback(this, callback) + ); + }, + + /** + * Determines the location of the given view in the window and returns the + * values via an async callback. If the React root view is embedded in + * another native view, this will give you the absolute coordinates. If + * successful, the callback will be called with the following + * arguments: + * + * - x + * - y + * - width + * - height + * + * Note that these measurements are not available until after the rendering + * has been completed in native. + */ + measureInWindow: function(callback) { + UIManager.measureInWindow( + findNumericNodeHandleFiber(this), + mountSafeCallback(this, callback) + ); + }, + + /** + * Like [`measure()`](#measure), but measures the view relative an ancestor, + * specified as `relativeToNativeNode`. This means that the returned x, y + * are relative to the origin x, y of the ancestor view. + * + * As always, to obtain a native node handle for a component, you can use + * `findNumericNodeHandle(component)`. + */ + measureLayout: function( + relativeToNativeNode, + onSuccess, + onFail /* currently unused */ + ) { + UIManager.measureLayout( + findNumericNodeHandleFiber(this), + relativeToNativeNode, + mountSafeCallback(this, onFail), + mountSafeCallback(this, onSuccess) + ); + }, + + /** + * This function sends props straight to native. They will not participate in + * future diff process - this means that if you do not include them in the + * next render, they will remain active (see [Direct + * Manipulation](docs/direct-manipulation.html)). + */ + setNativeProps: function(nativeProps) { + // Class components don't have viewConfig -> validateAttributes. + // Nor does it make sense to set native props on a non-native component. + // Instead, find the nearest host component and set props on it. + // Use findNodeHandle() rather than findNumericNodeHandle() because + // We want the instance/wrapper (not the native tag). + var maybeInstance = void 0; + + // Fiber errors if findNodeHandle is called for an umounted component. + // Tests using ReactTestRenderer will trigger this case indirectly. + // Mimicking stack behavior, we should silently ignore this case. + // TODO Fix ReactTestRenderer so we can remove this try/catch. + try { + maybeInstance = findNodeHandle(this); + } catch (error) {} + + // If there is no host component beneath this we should fail silently. + // This is not an error; it could mean a class component rendered null. + if (maybeInstance == null) { + return; + } + + var viewConfig = maybeInstance.viewConfig; + + { + warnForStyleProps(nativeProps, viewConfig.validAttributes); + } + + var updatePayload = create(nativeProps, viewConfig.validAttributes); + + // Avoid the overhead of bridge calls if there's no update. + // This is an expensive no-op for Android, and causes an unnecessary + // view invalidation for certain components (eg RCTTextInput) on iOS. + if (updatePayload != null) { + UIManager.updateView( + maybeInstance._nativeTag, + viewConfig.uiViewClassName, + updatePayload + ); + } + }, + + /** + * Requests focus for the given input or view. The exact behavior triggered + * will depend on the platform and type of view. + */ + focus: function() { + TextInputState.focusTextInput(findNumericNodeHandleFiber(this)); + }, + + /** + * Removes focus from an input or view. This is the opposite of `focus()`. + */ + blur: function() { + TextInputState.blurTextInput(findNumericNodeHandleFiber(this)); + } +}; + +{ + // hide this from Flow since we can't define these properties outside of + // true without actually implementing them (setting them to undefined + // isn't allowed by ReactClass) + var NativeMethodsMixin_DEV = NativeMethodsMixin; + invariant( + !NativeMethodsMixin_DEV.componentWillMount && + !NativeMethodsMixin_DEV.componentWillReceiveProps && + !NativeMethodsMixin_DEV.UNSAFE_componentWillMount && + !NativeMethodsMixin_DEV.UNSAFE_componentWillReceiveProps, + "Do not override existing functions." + ); + NativeMethodsMixin_DEV.componentWillMount = function() { + throwOnStylesProp(this, this.props); + }; + NativeMethodsMixin_DEV.componentWillReceiveProps = function(newProps) { + throwOnStylesProp(this, newProps); + }; + NativeMethodsMixin_DEV.UNSAFE_componentWillMount = function() { + throwOnStylesProp(this, this.props); + }; + NativeMethodsMixin_DEV.UNSAFE_componentWillReceiveProps = function(newProps) { + throwOnStylesProp(this, newProps); + }; +} + +function _classCallCheck$1(instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } +} + +function _possibleConstructorReturn(self, call) { + if (!self) { + throw new ReferenceError( + "this hasn't been initialised - super() hasn't been called" + ); + } + return call && (typeof call === "object" || typeof call === "function") + ? call + : self; +} + +function _inherits(subClass, superClass) { + if (typeof superClass !== "function" && superClass !== null) { + throw new TypeError( + "Super expression must either be null or a function, not " + + typeof superClass + ); + } + subClass.prototype = Object.create(superClass && superClass.prototype, { + constructor: { + value: subClass, + enumerable: false, + writable: true, + configurable: true + } + }); + if (superClass) + Object.setPrototypeOf + ? Object.setPrototypeOf(subClass, superClass) + : (subClass.__proto__ = superClass); +} + +// Modules provided by RN: +/** + * Superclass that provides methods to access the underlying native component. + * This can be useful when you want to focus a view or measure its dimensions. + * + * Methods implemented by this class are available on most default components + * provided by React Native. However, they are *not* available on composite + * components that are not directly backed by a native view. For more + * information, see [Direct Manipulation](docs/direct-manipulation.html). + * + * @abstract + */ + +var ReactNativeComponent = (function(_React$Component) { + _inherits(ReactNativeComponent, _React$Component); + + function ReactNativeComponent() { + _classCallCheck$1(this, ReactNativeComponent); + + return _possibleConstructorReturn( + this, + _React$Component.apply(this, arguments) + ); + } + + /** + * Removes focus. This is the opposite of `focus()`. + */ + ReactNativeComponent.prototype.blur = function blur() { + TextInputState.blurTextInput(findNumericNodeHandleFiber(this)); + }; + + /** + * Requests focus. The exact behavior depends on the platform and view. + */ + + ReactNativeComponent.prototype.focus = function focus() { + TextInputState.focusTextInput(findNumericNodeHandleFiber(this)); + }; + + /** + * Measures the on-screen location and dimensions. If successful, the callback + * will be called asynchronously with the following arguments: + * + * - x + * - y + * - width + * - height + * - pageX + * - pageY + * + * These values are not available until after natives rendering completes. If + * you need the measurements as soon as possible, consider using the + * [`onLayout` prop](docs/view.html#onlayout) instead. + */ + + ReactNativeComponent.prototype.measure = function measure(callback) { + UIManager.measure( + findNumericNodeHandleFiber(this), + mountSafeCallback(this, callback) + ); + }; + + /** + * Measures the on-screen location and dimensions. Even if the React Native + * root view is embedded within another native view, this method will give you + * the absolute coordinates measured from the window. If successful, the + * callback will be called asynchronously with the following arguments: + * + * - x + * - y + * - width + * - height + * + * These values are not available until after natives rendering completes. + */ + + ReactNativeComponent.prototype.measureInWindow = function measureInWindow( + callback + ) { + UIManager.measureInWindow( + findNumericNodeHandleFiber(this), + mountSafeCallback(this, callback) + ); + }; + + /** + * Similar to [`measure()`](#measure), but the resulting location will be + * relative to the supplied ancestor's location. + * + * Obtain a native node handle with `ReactNative.findNodeHandle(component)`. + */ + + ReactNativeComponent.prototype.measureLayout = function measureLayout( + relativeToNativeNode, + onSuccess, + onFail /* currently unused */ + ) { + UIManager.measureLayout( + findNumericNodeHandleFiber(this), + relativeToNativeNode, + mountSafeCallback(this, onFail), + mountSafeCallback(this, onSuccess) + ); + }; + + /** + * This function sends props straight to native. They will not participate in + * future diff process - this means that if you do not include them in the + * next render, they will remain active (see [Direct + * Manipulation](docs/direct-manipulation.html)). + */ + + ReactNativeComponent.prototype.setNativeProps = function setNativeProps( + nativeProps + ) { + // Class components don't have viewConfig -> validateAttributes. + // Nor does it make sense to set native props on a non-native component. + // Instead, find the nearest host component and set props on it. + // Use findNodeHandle() rather than ReactNative.findNodeHandle() because + // We want the instance/wrapper (not the native tag). + var maybeInstance = void 0; + + // Fiber errors if findNodeHandle is called for an umounted component. + // Tests using ReactTestRenderer will trigger this case indirectly. + // Mimicking stack behavior, we should silently ignore this case. + // TODO Fix ReactTestRenderer so we can remove this try/catch. + try { + maybeInstance = findNodeHandle(this); + } catch (error) {} + + // If there is no host component beneath this we should fail silently. + // This is not an error; it could mean a class component rendered null. + if (maybeInstance == null) { + return; + } + + var viewConfig = + maybeInstance.viewConfig || maybeInstance.canonical.viewConfig; + + var updatePayload = create(nativeProps, viewConfig.validAttributes); + + // Avoid the overhead of bridge calls if there's no update. + // This is an expensive no-op for Android, and causes an unnecessary + // view invalidation for certain components (eg RCTTextInput) on iOS. + if (updatePayload != null) { + UIManager.updateView( + maybeInstance._nativeTag, + viewConfig.uiViewClassName, + updatePayload + ); + } + }; + + return ReactNativeComponent; +})(React.Component); + +var hasNativePerformanceNow = + typeof performance === "object" && typeof performance.now === "function"; + +var now = hasNativePerformanceNow + ? function() { + return performance.now(); + } + : function() { + return Date.now(); + }; + +var scheduledCallback = null; +var frameDeadline = 0; + +var frameDeadlineObject = { + timeRemaining: function() { + return frameDeadline - now(); + } +}; + +function setTimeoutCallback() { + // TODO (bvaughn) Hard-coded 5ms unblocks initial async testing. + // React API probably changing to boolean rather than time remaining. + // Longer-term plan is to rewrite this using shared memory, + // And just return the value of the bit as the boolean. + frameDeadline = now() + 5; + + var callback = scheduledCallback; + scheduledCallback = null; + if (callback !== null) { + callback(frameDeadlineObject); + } +} + +// RN has a poor polyfill for requestIdleCallback so we aren't using it. +// This implementation is only intended for short-term use anyway. +// We also don't implement cancel functionality b'c Fiber doesn't currently need it. +function scheduleDeferredCallback(callback) { + // We assume only one callback is scheduled at a time b'c that's how Fiber works. + scheduledCallback = callback; + return setTimeout(setTimeoutCallback, 1); +} + +function cancelDeferredCallback(callbackID) { + scheduledCallback = null; + clearTimeout(callbackID); +} + +var viewConfigCallbacks = new Map(); +var viewConfigs = new Map(); + +/** + * Registers a native view/component by name. + * A callback is provided to load the view config from UIManager. + * The callback is deferred until the view is actually rendered. + * This is done to avoid causing Prepack deopts. + */ +function register(name, callback) { + invariant( + !viewConfigCallbacks.has(name), + "Tried to register two views with the same name %s", + name + ); + viewConfigCallbacks.set(name, callback); + return name; +} + +/** + * Retrieves a config for the specified view. + * If this is the first time the view has been used, + * This configuration will be lazy-loaded from UIManager. + */ +function get$1(name) { + var viewConfig = void 0; + if (!viewConfigs.has(name)) { + var callback = viewConfigCallbacks.get(name); + invariant( + typeof callback === "function", + "View config not found for name %s", + name + ); + viewConfigCallbacks.set(name, null); + viewConfig = callback(); + viewConfigs.set(name, viewConfig); + } else { + viewConfig = viewConfigs.get(name); + } + invariant(viewConfig, "View config not found for name %s", name); + return viewConfig; +} + +// Don't change these two values: +var NoEffect = 0; +var PerformedWork = 1; + +// You can change the rest (and add more). +var Placement = 2; +var Update = 4; +var PlacementAndUpdate = 6; +var Deletion = 8; +var ContentReset = 16; +var Callback = 32; +var Err = 64; +var Ref = 128; + +var MOUNTING = 1; +var MOUNTED = 2; +var UNMOUNTED = 3; + +function isFiberMountedImpl(fiber) { + var node = fiber; + if (!fiber.alternate) { + // If there is no alternate, this might be a new tree that isn't inserted + // yet. If it is, then it will have a pending insertion effect on it. + if ((node.effectTag & Placement) !== NoEffect) { + return MOUNTING; + } + while (node["return"]) { + node = node["return"]; + if ((node.effectTag & Placement) !== NoEffect) { + return MOUNTING; + } + } + } else { + while (node["return"]) { + node = node["return"]; + } + } + if (node.tag === HostRoot) { + // TODO: Check if this was a nested HostRoot when used with + // renderContainerIntoSubtree. + return MOUNTED; + } + // If we didn't hit the root, that means that we're in an disconnected tree + // that has been unmounted. + return UNMOUNTED; +} + +function isFiberMounted(fiber) { + return isFiberMountedImpl(fiber) === MOUNTED; +} + +function isMounted(component) { + { + var owner = ReactCurrentOwner.current; + if (owner !== null && owner.tag === ClassComponent) { + var ownerFiber = owner; + var instance = ownerFiber.stateNode; + warning( + instance._warnedAboutRefsInRender, + "%s is accessing isMounted inside its render() function. " + + "render() should be a pure function of props and state. It should " + + "never access something that requires stale data from the previous " + + "render, such as refs. Move this logic to componentDidMount and " + + "componentDidUpdate instead.", + getComponentName(ownerFiber) || "A component" + ); + instance._warnedAboutRefsInRender = true; + } + } + + var fiber = get(component); + if (!fiber) { + return false; + } + return isFiberMountedImpl(fiber) === MOUNTED; +} + +function assertIsMounted(fiber) { + invariant( + isFiberMountedImpl(fiber) === MOUNTED, + "Unable to find node on an unmounted component." + ); +} + +function findCurrentFiberUsingSlowPath(fiber) { + var alternate = fiber.alternate; + if (!alternate) { + // If there is no alternate, then we only need to check if it is mounted. + var state = isFiberMountedImpl(fiber); + invariant( + state !== UNMOUNTED, + "Unable to find node on an unmounted component." + ); + if (state === MOUNTING) { + return null; + } + return fiber; + } + // If we have two possible branches, we'll walk backwards up to the root + // to see what path the root points to. On the way we may hit one of the + // special cases and we'll deal with them. + var a = fiber; + var b = alternate; + while (true) { + var parentA = a["return"]; + var parentB = parentA ? parentA.alternate : null; + if (!parentA || !parentB) { + // We're at the root. + break; + } + + // If both copies of the parent fiber point to the same child, we can + // assume that the child is current. This happens when we bailout on low + // priority: the bailed out fiber's child reuses the current child. + if (parentA.child === parentB.child) { + var child = parentA.child; + while (child) { + if (child === a) { + // We've determined that A is the current branch. + assertIsMounted(parentA); + return fiber; + } + if (child === b) { + // We've determined that B is the current branch. + assertIsMounted(parentA); + return alternate; + } + child = child.sibling; + } + // We should never have an alternate for any mounting node. So the only + // way this could possibly happen is if this was unmounted, if at all. + invariant(false, "Unable to find node on an unmounted component."); + } + + if (a["return"] !== b["return"]) { + // The return pointer of A and the return pointer of B point to different + // fibers. We assume that return pointers never criss-cross, so A must + // belong to the child set of A.return, and B must belong to the child + // set of B.return. + a = parentA; + b = parentB; + } else { + // The return pointers point to the same fiber. We'll have to use the + // default, slow path: scan the child sets of each parent alternate to see + // which child belongs to which set. + // + // Search parent A's child set + var didFindChild = false; + var _child = parentA.child; + while (_child) { + if (_child === a) { + didFindChild = true; + a = parentA; + b = parentB; + break; + } + if (_child === b) { + didFindChild = true; + b = parentA; + a = parentB; + break; + } + _child = _child.sibling; + } + if (!didFindChild) { + // Search parent B's child set + _child = parentB.child; + while (_child) { + if (_child === a) { + didFindChild = true; + a = parentB; + b = parentA; + break; + } + if (_child === b) { + didFindChild = true; + b = parentB; + a = parentA; + break; + } + _child = _child.sibling; + } + invariant( + didFindChild, + "Child was not found in either parent set. This indicates a bug " + + "in React related to the return pointer. Please file an issue." + ); + } + } + + invariant( + a.alternate === b, + "Return fibers should always be each others' alternates. " + + "This error is likely caused by a bug in React. Please file an issue." + ); + } + // If the root is not a host container, we're in a disconnected tree. I.e. + // unmounted. + invariant( + a.tag === HostRoot, + "Unable to find node on an unmounted component." + ); + if (a.stateNode.current === a) { + // We've determined that A is the current branch. + return fiber; + } + // Otherwise B has to be current branch. + return alternate; +} + +function findCurrentHostFiber(parent) { + var currentParent = findCurrentFiberUsingSlowPath(parent); + if (!currentParent) { + return null; + } + + // Next we'll drill down this component to find the first HostComponent/Text. + var node = currentParent; + while (true) { + if (node.tag === HostComponent || node.tag === HostText) { + return node; + } else if (node.child) { + node.child["return"] = node; + node = node.child; + continue; + } + if (node === currentParent) { + return null; + } + while (!node.sibling) { + if (!node["return"] || node["return"] === currentParent) { + return null; + } + node = node["return"]; + } + node.sibling["return"] = node["return"]; + node = node.sibling; + } + // Flow needs the return null here, but ESLint complains about it. + // eslint-disable-next-line no-unreachable + return null; +} + +function findCurrentHostFiberWithNoPortals(parent) { + var currentParent = findCurrentFiberUsingSlowPath(parent); + if (!currentParent) { + return null; + } + + // Next we'll drill down this component to find the first HostComponent/Text. + var node = currentParent; + while (true) { + if (node.tag === HostComponent || node.tag === HostText) { + return node; + } else if (node.child && node.tag !== HostPortal) { + node.child["return"] = node; + node = node.child; + continue; + } + if (node === currentParent) { + return null; + } + while (!node.sibling) { + if (!node["return"] || node["return"] === currentParent) { + return null; + } + node = node["return"]; + } + node.sibling["return"] = node["return"]; + node = node.sibling; + } + // Flow needs the return null here, but ESLint complains about it. + // eslint-disable-next-line no-unreachable + return null; +} + +var valueStack = []; + +var fiberStack = void 0; + +{ + fiberStack = []; +} + +var index = -1; + +function createCursor(defaultValue) { + return { + current: defaultValue + }; +} + +function pop(cursor, fiber) { + if (index < 0) { + { + warning(false, "Unexpected pop."); + } + return; + } + + { + if (fiber !== fiberStack[index]) { + warning(false, "Unexpected Fiber popped."); + } + } + + cursor.current = valueStack[index]; + + valueStack[index] = null; + + { + fiberStack[index] = null; + } + + index--; +} + +function push(cursor, value, fiber) { + index++; + + valueStack[index] = cursor.current; + + { + fiberStack[index] = fiber; + } + + cursor.current = value; +} + +function reset() { + while (index > -1) { + valueStack[index] = null; + + { + fiberStack[index] = null; + } + + index--; + } +} + +var describeComponentFrame = function(name, source, ownerName) { + return ( + "\n in " + + (name || "Unknown") + + (source + ? " (at " + + source.fileName.replace(/^.*[\\\/]/, "") + + ":" + + source.lineNumber + + ")" + : ownerName ? " (created by " + ownerName + ")" : "") + ); +}; + +function describeFiber(fiber) { + switch (fiber.tag) { + case IndeterminateComponent: + case FunctionalComponent: + case ClassComponent: + case HostComponent: + var owner = fiber._debugOwner; + var source = fiber._debugSource; + var name = getComponentName(fiber); + var ownerName = null; + if (owner) { + ownerName = getComponentName(owner); + } + return describeComponentFrame(name, source, ownerName); + default: + return ""; + } +} + +// This function can only be called with a work-in-progress fiber and +// only during begin or complete phase. Do not call it under any other +// circumstances. +function getStackAddendumByWorkInProgressFiber(workInProgress) { + var info = ""; + var node = workInProgress; + do { + info += describeFiber(node); + // Otherwise this return pointer might point to the wrong tree: + node = node["return"]; + } while (node); + return info; +} + +function getCurrentFiberOwnerName() { + { + var fiber = ReactDebugCurrentFiber.current; + if (fiber === null) { + return null; + } + var owner = fiber._debugOwner; + if (owner !== null && typeof owner !== "undefined") { + return getComponentName(owner); + } + } + return null; +} + +function getCurrentFiberStackAddendum() { + { + var fiber = ReactDebugCurrentFiber.current; + if (fiber === null) { + return null; + } + // Safe because if current fiber exists, we are reconciling, + // and it is guaranteed to be the work-in-progress version. + return getStackAddendumByWorkInProgressFiber(fiber); + } + return null; +} + +function resetCurrentFiber() { + ReactDebugCurrentFrame.getCurrentStack = null; + ReactDebugCurrentFiber.current = null; + ReactDebugCurrentFiber.phase = null; +} + +function setCurrentFiber(fiber) { + ReactDebugCurrentFrame.getCurrentStack = getCurrentFiberStackAddendum; + ReactDebugCurrentFiber.current = fiber; + ReactDebugCurrentFiber.phase = null; +} + +function setCurrentPhase(phase) { + ReactDebugCurrentFiber.phase = phase; +} + +var ReactDebugCurrentFiber = { + current: null, + phase: null, + resetCurrentFiber: resetCurrentFiber, + setCurrentFiber: setCurrentFiber, + setCurrentPhase: setCurrentPhase, + getCurrentFiberOwnerName: getCurrentFiberOwnerName, + getCurrentFiberStackAddendum: getCurrentFiberStackAddendum +}; + +var enableAsyncSubtreeAPI = true; +// Exports ReactDOM.createRoot + +var enableUserTimingAPI = true; + +// Mutating mode (React DOM, React ART, React Native): +var enableMutatingReconciler = true; +// Experimental noop mode (currently unused): +var enableNoopReconciler = false; +// Experimental persistent mode (Fabric): +var enablePersistentReconciler = false; +// Support for new context API +var enableNewContextAPI = false; + +// Helps identify side effects in begin-phase lifecycle hooks and setState reducers: +var debugRenderPhaseSideEffects = false; + +// In some cases, StrictMode should also double-render lifecycles. +// This can be confusing for tests though, +// And it can be bad for performance in production. +// This feature flag can be used to control the behavior: +var debugRenderPhaseSideEffectsForStrictMode = true; + +// Warn about deprecated, async-unsafe lifecycles; relates to RFC #6: +var warnAboutDeprecatedLifecycles = false; + +// Only used in www builds. + +// Prefix measurements so that it's possible to filter them. +// Longer prefixes are hard to read in DevTools. +var reactEmoji = "\u269B"; +var warningEmoji = "\u26D4"; +var supportsUserTiming = + typeof performance !== "undefined" && + typeof performance.mark === "function" && + typeof performance.clearMarks === "function" && + typeof performance.measure === "function" && + typeof performance.clearMeasures === "function"; + +// Keep track of current fiber so that we know the path to unwind on pause. +// TODO: this looks the same as nextUnitOfWork in scheduler. Can we unify them? +var currentFiber = null; +// If we're in the middle of user code, which fiber and method is it? +// Reusing `currentFiber` would be confusing for this because user code fiber +// can change during commit phase too, but we don't need to unwind it (since +// lifecycles in the commit phase don't resemble a tree). +var currentPhase = null; +var currentPhaseFiber = null; +// Did lifecycle hook schedule an update? This is often a performance problem, +// so we will keep track of it, and include it in the report. +// Track commits caused by cascading updates. +var isCommitting = false; +var hasScheduledUpdateInCurrentCommit = false; +var hasScheduledUpdateInCurrentPhase = false; +var commitCountInCurrentWorkLoop = 0; +var effectCountInCurrentCommit = 0; +var isWaitingForCallback = false; +// During commits, we only show a measurement once per method name +// to avoid stretch the commit phase with measurement overhead. +var labelsInCurrentCommit = new Set(); + +var formatMarkName = function(markName) { + return reactEmoji + " " + markName; +}; + +var formatLabel = function(label, warning$$1) { + var prefix = warning$$1 ? warningEmoji + " " : reactEmoji + " "; + var suffix = warning$$1 ? " Warning: " + warning$$1 : ""; + return "" + prefix + label + suffix; +}; + +var beginMark = function(markName) { + performance.mark(formatMarkName(markName)); +}; + +var clearMark = function(markName) { + performance.clearMarks(formatMarkName(markName)); +}; + +var endMark = function(label, markName, warning$$1) { + var formattedMarkName = formatMarkName(markName); + var formattedLabel = formatLabel(label, warning$$1); + try { + performance.measure(formattedLabel, formattedMarkName); + } catch (err) {} + // If previous mark was missing for some reason, this will throw. + // This could only happen if React crashed in an unexpected place earlier. + // Don't pile on with more errors. + + // Clear marks immediately to avoid growing buffer. + performance.clearMarks(formattedMarkName); + performance.clearMeasures(formattedLabel); +}; + +var getFiberMarkName = function(label, debugID) { + return label + " (#" + debugID + ")"; +}; + +var getFiberLabel = function(componentName, isMounted, phase) { + if (phase === null) { + // These are composite component total time measurements. + return componentName + " [" + (isMounted ? "update" : "mount") + "]"; + } else { + // Composite component methods. + return componentName + "." + phase; + } +}; + +var beginFiberMark = function(fiber, phase) { + var componentName = getComponentName(fiber) || "Unknown"; + var debugID = fiber._debugID; + var isMounted = fiber.alternate !== null; + var label = getFiberLabel(componentName, isMounted, phase); + + if (isCommitting && labelsInCurrentCommit.has(label)) { + // During the commit phase, we don't show duplicate labels because + // there is a fixed overhead for every measurement, and we don't + // want to stretch the commit phase beyond necessary. + return false; + } + labelsInCurrentCommit.add(label); + + var markName = getFiberMarkName(label, debugID); + beginMark(markName); + return true; +}; + +var clearFiberMark = function(fiber, phase) { + var componentName = getComponentName(fiber) || "Unknown"; + var debugID = fiber._debugID; + var isMounted = fiber.alternate !== null; + var label = getFiberLabel(componentName, isMounted, phase); + var markName = getFiberMarkName(label, debugID); + clearMark(markName); +}; + +var endFiberMark = function(fiber, phase, warning$$1) { + var componentName = getComponentName(fiber) || "Unknown"; + var debugID = fiber._debugID; + var isMounted = fiber.alternate !== null; + var label = getFiberLabel(componentName, isMounted, phase); + var markName = getFiberMarkName(label, debugID); + endMark(label, markName, warning$$1); +}; + +var shouldIgnoreFiber = function(fiber) { + // Host components should be skipped in the timeline. + // We could check typeof fiber.type, but does this work with RN? + switch (fiber.tag) { + case HostRoot: + case HostComponent: + case HostText: + case HostPortal: + case CallComponent: + case ReturnComponent: + case Fragment: + return true; + default: + return false; + } +}; + +var clearPendingPhaseMeasurement = function() { + if (currentPhase !== null && currentPhaseFiber !== null) { + clearFiberMark(currentPhaseFiber, currentPhase); + } + currentPhaseFiber = null; + currentPhase = null; + hasScheduledUpdateInCurrentPhase = false; +}; + +var pauseTimers = function() { + // Stops all currently active measurements so that they can be resumed + // if we continue in a later deferred loop from the same unit of work. + var fiber = currentFiber; + while (fiber) { + if (fiber._debugIsCurrentlyTiming) { + endFiberMark(fiber, null, null); + } + fiber = fiber["return"]; + } +}; + +var resumeTimersRecursively = function(fiber) { + if (fiber["return"] !== null) { + resumeTimersRecursively(fiber["return"]); + } + if (fiber._debugIsCurrentlyTiming) { + beginFiberMark(fiber, null); + } +}; + +var resumeTimers = function() { + // Resumes all measurements that were active during the last deferred loop. + if (currentFiber !== null) { + resumeTimersRecursively(currentFiber); + } +}; + +function recordEffect() { + if (enableUserTimingAPI) { + effectCountInCurrentCommit++; + } +} + +function recordScheduleUpdate() { + if (enableUserTimingAPI) { + if (isCommitting) { + hasScheduledUpdateInCurrentCommit = true; + } + if ( + currentPhase !== null && + currentPhase !== "componentWillMount" && + currentPhase !== "componentWillReceiveProps" + ) { + hasScheduledUpdateInCurrentPhase = true; + } + } +} + +function startRequestCallbackTimer() { + if (enableUserTimingAPI) { + if (supportsUserTiming && !isWaitingForCallback) { + isWaitingForCallback = true; + beginMark("(Waiting for async callback...)"); + } + } +} + +function stopRequestCallbackTimer(didExpire) { + if (enableUserTimingAPI) { + if (supportsUserTiming) { + isWaitingForCallback = false; + var warning$$1 = didExpire ? "React was blocked by main thread" : null; + endMark( + "(Waiting for async callback...)", + "(Waiting for async callback...)", + warning$$1 + ); + } + } +} + +function startWorkTimer(fiber) { + if (enableUserTimingAPI) { + if (!supportsUserTiming || shouldIgnoreFiber(fiber)) { + return; + } + // If we pause, this is the fiber to unwind from. + currentFiber = fiber; + if (!beginFiberMark(fiber, null)) { + return; + } + fiber._debugIsCurrentlyTiming = true; + } +} + +function cancelWorkTimer(fiber) { + if (enableUserTimingAPI) { + if (!supportsUserTiming || shouldIgnoreFiber(fiber)) { + return; + } + // Remember we shouldn't complete measurement for this fiber. + // Otherwise flamechart will be deep even for small updates. + fiber._debugIsCurrentlyTiming = false; + clearFiberMark(fiber, null); + } +} + +function stopWorkTimer(fiber) { + if (enableUserTimingAPI) { + if (!supportsUserTiming || shouldIgnoreFiber(fiber)) { + return; + } + // If we pause, its parent is the fiber to unwind from. + currentFiber = fiber["return"]; + if (!fiber._debugIsCurrentlyTiming) { + return; + } + fiber._debugIsCurrentlyTiming = false; + endFiberMark(fiber, null, null); + } +} + +function stopFailedWorkTimer(fiber) { + if (enableUserTimingAPI) { + if (!supportsUserTiming || shouldIgnoreFiber(fiber)) { + return; + } + // If we pause, its parent is the fiber to unwind from. + currentFiber = fiber["return"]; + if (!fiber._debugIsCurrentlyTiming) { + return; + } + fiber._debugIsCurrentlyTiming = false; + var warning$$1 = "An error was thrown inside this error boundary"; + endFiberMark(fiber, null, warning$$1); + } +} + +function startPhaseTimer(fiber, phase) { + if (enableUserTimingAPI) { + if (!supportsUserTiming) { + return; + } + clearPendingPhaseMeasurement(); + if (!beginFiberMark(fiber, phase)) { + return; + } + currentPhaseFiber = fiber; + currentPhase = phase; + } +} + +function stopPhaseTimer() { + if (enableUserTimingAPI) { + if (!supportsUserTiming) { + return; + } + if (currentPhase !== null && currentPhaseFiber !== null) { + var warning$$1 = hasScheduledUpdateInCurrentPhase + ? "Scheduled a cascading update" + : null; + endFiberMark(currentPhaseFiber, currentPhase, warning$$1); + } + currentPhase = null; + currentPhaseFiber = null; + } +} + +function startWorkLoopTimer(nextUnitOfWork) { + if (enableUserTimingAPI) { + currentFiber = nextUnitOfWork; + if (!supportsUserTiming) { + return; + } + commitCountInCurrentWorkLoop = 0; + // This is top level call. + // Any other measurements are performed within. + beginMark("(React Tree Reconciliation)"); + // Resume any measurements that were in progress during the last loop. + resumeTimers(); + } +} + +function stopWorkLoopTimer(interruptedBy) { + if (enableUserTimingAPI) { + if (!supportsUserTiming) { + return; + } + var warning$$1 = null; + if (interruptedBy !== null) { + if (interruptedBy.tag === HostRoot) { + warning$$1 = "A top-level update interrupted the previous render"; + } else { + var componentName = getComponentName(interruptedBy) || "Unknown"; + warning$$1 = + "An update to " + componentName + " interrupted the previous render"; + } + } else if (commitCountInCurrentWorkLoop > 1) { + warning$$1 = "There were cascading updates"; + } + commitCountInCurrentWorkLoop = 0; + // Pause any measurements until the next loop. + pauseTimers(); + endMark( + "(React Tree Reconciliation)", + "(React Tree Reconciliation)", + warning$$1 + ); + } +} + +function startCommitTimer() { + if (enableUserTimingAPI) { + if (!supportsUserTiming) { + return; + } + isCommitting = true; + hasScheduledUpdateInCurrentCommit = false; + labelsInCurrentCommit.clear(); + beginMark("(Committing Changes)"); + } +} + +function stopCommitTimer() { + if (enableUserTimingAPI) { + if (!supportsUserTiming) { + return; + } + + var warning$$1 = null; + if (hasScheduledUpdateInCurrentCommit) { + warning$$1 = "Lifecycle hook scheduled a cascading update"; + } else if (commitCountInCurrentWorkLoop > 0) { + warning$$1 = "Caused by a cascading update in earlier commit"; + } + hasScheduledUpdateInCurrentCommit = false; + commitCountInCurrentWorkLoop++; + isCommitting = false; + labelsInCurrentCommit.clear(); + + endMark("(Committing Changes)", "(Committing Changes)", warning$$1); + } +} + +function startCommitHostEffectsTimer() { + if (enableUserTimingAPI) { + if (!supportsUserTiming) { + return; + } + effectCountInCurrentCommit = 0; + beginMark("(Committing Host Effects)"); + } +} + +function stopCommitHostEffectsTimer() { + if (enableUserTimingAPI) { + if (!supportsUserTiming) { + return; + } + var count = effectCountInCurrentCommit; + effectCountInCurrentCommit = 0; + endMark( + "(Committing Host Effects: " + count + " Total)", + "(Committing Host Effects)", + null + ); + } +} + +function startCommitLifeCyclesTimer() { + if (enableUserTimingAPI) { + if (!supportsUserTiming) { + return; + } + effectCountInCurrentCommit = 0; + beginMark("(Calling Lifecycle Methods)"); + } +} + +function stopCommitLifeCyclesTimer() { + if (enableUserTimingAPI) { + if (!supportsUserTiming) { + return; + } + var count = effectCountInCurrentCommit; + effectCountInCurrentCommit = 0; + endMark( + "(Calling Lifecycle Methods: " + count + " Total)", + "(Calling Lifecycle Methods)", + null + ); + } +} + +var warnedAboutMissingGetChildContext = void 0; + +{ + warnedAboutMissingGetChildContext = {}; +} + +// A cursor to the current merged context object on the stack. +var contextStackCursor = createCursor(emptyObject); +// A cursor to a boolean indicating whether the context has changed. +var didPerformWorkStackCursor = createCursor(false); +// Keep track of the previous context object that was on the stack. +// We use this to get access to the parent context after we have already +// pushed the next context provider, and now need to merge their contexts. +var previousContext = emptyObject; + +function getUnmaskedContext(workInProgress) { + var hasOwnContext = isContextProvider(workInProgress); + if (hasOwnContext) { + // If the fiber is a context provider itself, when we read its context + // we have already pushed its own child context on the stack. A context + // provider should not "see" its own child context. Therefore we read the + // previous (parent) context instead for a context provider. + return previousContext; + } + return contextStackCursor.current; +} + +function cacheContext(workInProgress, unmaskedContext, maskedContext) { + var instance = workInProgress.stateNode; + instance.__reactInternalMemoizedUnmaskedChildContext = unmaskedContext; + instance.__reactInternalMemoizedMaskedChildContext = maskedContext; +} + +function getMaskedContext(workInProgress, unmaskedContext) { + var type = workInProgress.type; + var contextTypes = type.contextTypes; + if (!contextTypes) { + return emptyObject; + } + + // Avoid recreating masked context unless unmasked context has changed. + // Failing to do this will result in unnecessary calls to componentWillReceiveProps. + // This may trigger infinite loops if componentWillReceiveProps calls setState. + var instance = workInProgress.stateNode; + if ( + instance && + instance.__reactInternalMemoizedUnmaskedChildContext === unmaskedContext + ) { + return instance.__reactInternalMemoizedMaskedChildContext; + } + + var context = {}; + for (var key in contextTypes) { + context[key] = unmaskedContext[key]; + } + + { + var name = getComponentName(workInProgress) || "Unknown"; + checkPropTypes( + contextTypes, + context, + "context", + name, + ReactDebugCurrentFiber.getCurrentFiberStackAddendum + ); + } + + // Cache unmasked context so we can avoid recreating masked context unless necessary. + // Context is created before the class component is instantiated so check for instance. + if (instance) { + cacheContext(workInProgress, unmaskedContext, context); + } + + return context; +} + +function hasContextChanged() { + return didPerformWorkStackCursor.current; +} + +function isContextConsumer(fiber) { + return fiber.tag === ClassComponent && fiber.type.contextTypes != null; +} + +function isContextProvider(fiber) { + return fiber.tag === ClassComponent && fiber.type.childContextTypes != null; +} + +function popContextProvider(fiber) { + if (!isContextProvider(fiber)) { + return; + } + + pop(didPerformWorkStackCursor, fiber); + pop(contextStackCursor, fiber); +} + +function popTopLevelContextObject(fiber) { + pop(didPerformWorkStackCursor, fiber); + pop(contextStackCursor, fiber); +} + +function pushTopLevelContextObject(fiber, context, didChange) { + invariant( + contextStackCursor.cursor == null, + "Unexpected context found on stack. " + + "This error is likely caused by a bug in React. Please file an issue." + ); + + push(contextStackCursor, context, fiber); + push(didPerformWorkStackCursor, didChange, fiber); +} + +function processChildContext(fiber, parentContext) { + var instance = fiber.stateNode; + var childContextTypes = fiber.type.childContextTypes; + + // TODO (bvaughn) Replace this behavior with an invariant() in the future. + // It has only been added in Fiber to match the (unintentional) behavior in Stack. + if (typeof instance.getChildContext !== "function") { + { + var componentName = getComponentName(fiber) || "Unknown"; + + if (!warnedAboutMissingGetChildContext[componentName]) { + warnedAboutMissingGetChildContext[componentName] = true; + warning( + false, + "%s.childContextTypes is specified but there is no getChildContext() method " + + "on the instance. You can either define getChildContext() on %s or remove " + + "childContextTypes from it.", + componentName, + componentName + ); + } + } + return parentContext; + } + + var childContext = void 0; + { + ReactDebugCurrentFiber.setCurrentPhase("getChildContext"); + } + startPhaseTimer(fiber, "getChildContext"); + childContext = instance.getChildContext(); + stopPhaseTimer(); + { + ReactDebugCurrentFiber.setCurrentPhase(null); + } + for (var contextKey in childContext) { + invariant( + contextKey in childContextTypes, + '%s.getChildContext(): key "%s" is not defined in childContextTypes.', + getComponentName(fiber) || "Unknown", + contextKey + ); + } + { + var name = getComponentName(fiber) || "Unknown"; + checkPropTypes( + childContextTypes, + childContext, + "child context", + name, + // In practice, there is one case in which we won't get a stack. It's when + // somebody calls unstable_renderSubtreeIntoContainer() and we process + // context from the parent component instance. The stack will be missing + // because it's outside of the reconciliation, and so the pointer has not + // been set. This is rare and doesn't matter. We'll also remove that API. + ReactDebugCurrentFiber.getCurrentFiberStackAddendum + ); + } + + return Object.assign({}, parentContext, childContext); +} + +function pushContextProvider(workInProgress) { + if (!isContextProvider(workInProgress)) { + return false; + } + + var instance = workInProgress.stateNode; + // We push the context as early as possible to ensure stack integrity. + // If the instance does not exist yet, we will push null at first, + // and replace it on the stack later when invalidating the context. + var memoizedMergedChildContext = + (instance && instance.__reactInternalMemoizedMergedChildContext) || + emptyObject; + + // Remember the parent context so we can merge with it later. + // Inherit the parent's did-perform-work value to avoid inadvertently blocking updates. + previousContext = contextStackCursor.current; + push(contextStackCursor, memoizedMergedChildContext, workInProgress); + push( + didPerformWorkStackCursor, + didPerformWorkStackCursor.current, + workInProgress + ); + + return true; +} + +function invalidateContextProvider(workInProgress, didChange) { + var instance = workInProgress.stateNode; + invariant( + instance, + "Expected to have an instance by this point. " + + "This error is likely caused by a bug in React. Please file an issue." + ); + + if (didChange) { + // Merge parent and own context. + // Skip this if we're not updating due to sCU. + // This avoids unnecessarily recomputing memoized values. + var mergedContext = processChildContext(workInProgress, previousContext); + instance.__reactInternalMemoizedMergedChildContext = mergedContext; + + // Replace the old (or empty) context with the new one. + // It is important to unwind the context in the reverse order. + pop(didPerformWorkStackCursor, workInProgress); + pop(contextStackCursor, workInProgress); + // Now push the new context and mark that it has changed. + push(contextStackCursor, mergedContext, workInProgress); + push(didPerformWorkStackCursor, didChange, workInProgress); + } else { + pop(didPerformWorkStackCursor, workInProgress); + push(didPerformWorkStackCursor, didChange, workInProgress); + } +} + +function resetContext() { + previousContext = emptyObject; + contextStackCursor.current = emptyObject; + didPerformWorkStackCursor.current = false; +} + +function findCurrentUnmaskedContext(fiber) { + // Currently this is only used with renderSubtreeIntoContainer; not sure if it + // makes sense elsewhere + invariant( + isFiberMounted(fiber) && fiber.tag === ClassComponent, + "Expected subtree parent to be a mounted class component. " + + "This error is likely caused by a bug in React. Please file an issue." + ); + + var node = fiber; + while (node.tag !== HostRoot) { + if (isContextProvider(node)) { + return node.stateNode.__reactInternalMemoizedMergedChildContext; + } + var parent = node["return"]; + invariant( + parent, + "Found unexpected detached subtree parent. " + + "This error is likely caused by a bug in React. Please file an issue." + ); + node = parent; + } + return node.stateNode.context; +} + +// Max 31 bit integer. The max integer size in V8 for 32-bit systems. +// Math.pow(2, 30) - 1 +// 0b111111111111111111111111111111 +var MAX_SIGNED_31_BIT_INT = 1073741823; + +// TODO: Use an opaque type once ESLint et al support the syntax + +var NoWork = 0; +var Sync = 1; +var Never = MAX_SIGNED_31_BIT_INT; + +var UNIT_SIZE = 10; +var MAGIC_NUMBER_OFFSET = 2; + +// 1 unit of expiration time represents 10ms. +function msToExpirationTime(ms) { + // Always add an offset so that we don't clash with the magic number for NoWork. + return ((ms / UNIT_SIZE) | 0) + MAGIC_NUMBER_OFFSET; +} + +function expirationTimeToMs(expirationTime) { + return (expirationTime - MAGIC_NUMBER_OFFSET) * UNIT_SIZE; +} + +function ceiling(num, precision) { + return (((num / precision) | 0) + 1) * precision; +} + +function computeExpirationBucket(currentTime, expirationInMs, bucketSizeMs) { + return ceiling( + currentTime + expirationInMs / UNIT_SIZE, + bucketSizeMs / UNIT_SIZE + ); +} + +var NoContext = 0; +var AsyncUpdates = 1; +var StrictMode = 2; + +var hasBadMapPolyfill = void 0; + +{ + hasBadMapPolyfill = false; + try { + var nonExtensibleObject = Object.preventExtensions({}); + var testMap = new Map([[nonExtensibleObject, null]]); + var testSet = new Set([nonExtensibleObject]); + // This is necessary for Rollup to not consider these unused. + // https://github.com/rollup/rollup/issues/1771 + // TODO: we can remove these if Rollup fixes the bug. + testMap.set(0, 0); + testSet.add(0); + } catch (e) { + // TODO: Consider warning about bad polyfills + hasBadMapPolyfill = true; + } +} + +// A Fiber is work on a Component that needs to be done or was done. There can +// be more than one per component. + +var debugCounter = void 0; + +{ + debugCounter = 1; +} + +function FiberNode(tag, pendingProps, key, internalContextTag) { + // Instance + this.tag = tag; + this.key = key; + this.type = null; + this.stateNode = null; + + // Fiber + this["return"] = null; + this.child = null; + this.sibling = null; + this.index = 0; + + this.ref = null; + + this.pendingProps = pendingProps; + this.memoizedProps = null; + this.updateQueue = null; + this.memoizedState = null; + + this.internalContextTag = internalContextTag; + + // Effects + this.effectTag = NoEffect; + this.nextEffect = null; + + this.firstEffect = null; + this.lastEffect = null; + + this.expirationTime = NoWork; + + this.alternate = null; + + { + this._debugID = debugCounter++; + this._debugSource = null; + this._debugOwner = null; + this._debugIsCurrentlyTiming = false; + if (!hasBadMapPolyfill && typeof Object.preventExtensions === "function") { + Object.preventExtensions(this); + } + } +} + +// This is a constructor function, rather than a POJO constructor, still +// please ensure we do the following: +// 1) Nobody should add any instance methods on this. Instance methods can be +// more difficult to predict when they get optimized and they are almost +// never inlined properly in static compilers. +// 2) Nobody should rely on `instanceof Fiber` for type testing. We should +// always know when it is a fiber. +// 3) We might want to experiment with using numeric keys since they are easier +// to optimize in a non-JIT environment. +// 4) We can easily go from a constructor to a createFiber object literal if that +// is faster. +// 5) It should be easy to port this to a C struct and keep a C implementation +// compatible. +var createFiber = function(tag, pendingProps, key, internalContextTag) { + // $FlowFixMe: the shapes are exact here but Flow doesn't like constructors + return new FiberNode(tag, pendingProps, key, internalContextTag); +}; + +function shouldConstruct(Component) { + return !!(Component.prototype && Component.prototype.isReactComponent); +} + +// This is used to create an alternate fiber to do work on. +function createWorkInProgress(current, pendingProps, expirationTime) { + var workInProgress = current.alternate; + if (workInProgress === null) { + // We use a double buffering pooling technique because we know that we'll + // only ever need at most two versions of a tree. We pool the "other" unused + // node that we're free to reuse. This is lazily created to avoid allocating + // extra objects for things that are never updated. It also allow us to + // reclaim the extra memory if needed. + workInProgress = createFiber( + current.tag, + pendingProps, + current.key, + current.internalContextTag + ); + workInProgress.type = current.type; + workInProgress.stateNode = current.stateNode; + + { + // DEV-only fields + workInProgress._debugID = current._debugID; + workInProgress._debugSource = current._debugSource; + workInProgress._debugOwner = current._debugOwner; + } + + workInProgress.alternate = current; + current.alternate = workInProgress; + } else { + workInProgress.pendingProps = pendingProps; + + // We already have an alternate. + // Reset the effect tag. + workInProgress.effectTag = NoEffect; + + // The effect list is no longer valid. + workInProgress.nextEffect = null; + workInProgress.firstEffect = null; + workInProgress.lastEffect = null; + } + + workInProgress.expirationTime = expirationTime; + + workInProgress.child = current.child; + workInProgress.memoizedProps = current.memoizedProps; + workInProgress.memoizedState = current.memoizedState; + workInProgress.updateQueue = current.updateQueue; + + // These will be overridden during the parent's reconciliation + workInProgress.sibling = current.sibling; + workInProgress.index = current.index; + workInProgress.ref = current.ref; + + return workInProgress; +} + +function createHostRootFiber(isAsync) { + var internalContextTag = isAsync ? AsyncUpdates | StrictMode : NoContext; + return createFiber(HostRoot, null, null, internalContextTag); +} + +function createFiberFromElement(element, internalContextTag, expirationTime) { + var owner = null; + { + owner = element._owner; + } + + var fiber = void 0; + var type = element.type; + var key = element.key; + var pendingProps = element.props; + + var fiberTag = void 0; + if (typeof type === "function") { + fiberTag = shouldConstruct(type) ? ClassComponent : IndeterminateComponent; + } else if (typeof type === "string") { + fiberTag = HostComponent; + } else { + switch (type) { + case REACT_FRAGMENT_TYPE: + return createFiberFromFragment( + pendingProps.children, + internalContextTag, + expirationTime, + key + ); + case REACT_STRICT_MODE_TYPE: + fiberTag = Mode; + internalContextTag |= StrictMode; + break; + case REACT_CALL_TYPE: + fiberTag = CallComponent; + break; + case REACT_RETURN_TYPE: + fiberTag = ReturnComponent; + break; + default: { + if (typeof type === "object" && type !== null) { + switch (type.$$typeof) { + case REACT_PROVIDER_TYPE: + fiberTag = ContextProvider; + break; + case REACT_CONTEXT_TYPE: + // This is a consumer + fiberTag = ContextConsumer; + break; + default: + if (typeof type.tag === "number") { + // Currently assumed to be a continuation and therefore is a + // fiber already. + // TODO: The yield system is currently broken for updates in + // some cases. The reified yield stores a fiber, but we don't + // know which fiber that is; the current or a workInProgress? + // When the continuation gets rendered here we don't know if we + // can reuse that fiber or if we need to clone it. There is + // probably a clever way to restructure this. + fiber = type; + fiber.pendingProps = pendingProps; + fiber.expirationTime = expirationTime; + return fiber; + } else { + throwOnInvalidElementType(type, owner); + } + break; + } + } else { + throwOnInvalidElementType(type, owner); + } + } + } + } + + fiber = createFiber(fiberTag, pendingProps, key, internalContextTag); + fiber.type = type; + fiber.expirationTime = expirationTime; + + { + fiber._debugSource = element._source; + fiber._debugOwner = element._owner; + } + + return fiber; +} + +function throwOnInvalidElementType(type, owner) { + var info = ""; + { + if ( + type === undefined || + (typeof type === "object" && + type !== null && + Object.keys(type).length === 0) + ) { + info += + " You likely forgot to export your component from the file " + + "it's defined in, or you might have mixed up default and " + + "named imports."; + } + var ownerName = owner ? getComponentName(owner) : null; + if (ownerName) { + info += "\n\nCheck the render method of `" + ownerName + "`."; + } + } + invariant( + false, + "Element type is invalid: expected a string (for built-in " + + "components) or a class/function (for composite components) " + + "but got: %s.%s", + type == null ? type : typeof type, + info + ); +} + +function createFiberFromFragment( + elements, + internalContextTag, + expirationTime, + key +) { + var fiber = createFiber(Fragment, elements, key, internalContextTag); + fiber.expirationTime = expirationTime; + return fiber; +} + +function createFiberFromText(content, internalContextTag, expirationTime) { + var fiber = createFiber(HostText, content, null, internalContextTag); + fiber.expirationTime = expirationTime; + return fiber; +} + +function createFiberFromHostInstanceForDeletion() { + var fiber = createFiber(HostComponent, null, null, NoContext); + fiber.type = "DELETED"; + return fiber; +} + +function createFiberFromPortal(portal, internalContextTag, expirationTime) { + var pendingProps = portal.children !== null ? portal.children : []; + var fiber = createFiber( + HostPortal, + pendingProps, + portal.key, + internalContextTag + ); + fiber.expirationTime = expirationTime; + fiber.stateNode = { + containerInfo: portal.containerInfo, + pendingChildren: null, // Used by persistent updates + implementation: portal.implementation + }; + return fiber; +} + +// TODO: This should be lifted into the renderer. + +function createFiberRoot(containerInfo, isAsync, hydrate) { + // Cyclic construction. This cheats the type system right now because + // stateNode is any. + var uninitializedFiber = createHostRootFiber(isAsync); + var root = { + current: uninitializedFiber, + containerInfo: containerInfo, + pendingChildren: null, + remainingExpirationTime: NoWork, + isReadyForCommit: false, + finishedWork: null, + context: null, + pendingContext: null, + hydrate: hydrate, + firstBatch: null, + nextScheduledRoot: null + }; + uninitializedFiber.stateNode = root; + return root; +} + +var onCommitFiberRoot = null; +var onCommitFiberUnmount = null; +var hasLoggedError = false; + +function catchErrors(fn) { + return function(arg) { + try { + return fn(arg); + } catch (err) { + if (true && !hasLoggedError) { + hasLoggedError = true; + warning(false, "React DevTools encountered an error: %s", err); + } + } + }; +} + +function injectInternals(internals) { + if (typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ === "undefined") { + // No DevTools + return false; + } + var hook = __REACT_DEVTOOLS_GLOBAL_HOOK__; + if (hook.isDisabled) { + // This isn't a real property on the hook, but it can be set to opt out + // of DevTools integration and associated warnings and logs. + // https://github.com/facebook/react/issues/3877 + return true; + } + if (!hook.supportsFiber) { + { + warning( + false, + "The installed version of React DevTools is too old and will not work " + + "with the current version of React. Please update React DevTools. " + + "https://fb.me/react-devtools" + ); + } + // DevTools exists, even though it doesn't support Fiber. + return true; + } + try { + var rendererID = hook.inject(internals); + // We have successfully injected, so now it is safe to set up hooks. + onCommitFiberRoot = catchErrors(function(root) { + return hook.onCommitFiberRoot(rendererID, root); + }); + onCommitFiberUnmount = catchErrors(function(fiber) { + return hook.onCommitFiberUnmount(rendererID, fiber); + }); + } catch (err) { + // Catch all errors because it is unsafe to throw during initialization. + { + warning(false, "React DevTools encountered an error: %s.", err); + } + } + // DevTools exists + return true; +} + +function onCommitRoot(root) { + if (typeof onCommitFiberRoot === "function") { + onCommitFiberRoot(root); + } +} + +function onCommitUnmount(fiber) { + if (typeof onCommitFiberUnmount === "function") { + onCommitFiberUnmount(fiber); + } +} + +var ReactStrictModeWarnings = { + discardPendingWarnings: function() {}, + flushPendingDeprecationWarnings: function() {}, + flushPendingUnsafeLifecycleWarnings: function() {}, + recordDeprecationWarnings: function(fiber, instance) {}, + recordUnsafeLifecycleWarnings: function(fiber, instance) {} +}; + +{ + var LIFECYCLE_SUGGESTIONS = { + UNSAFE_componentWillMount: "componentDidMount", + UNSAFE_componentWillReceiveProps: "static getDerivedStateFromProps", + UNSAFE_componentWillUpdate: "componentDidUpdate" + }; + + var pendingComponentWillMountWarnings = []; + var pendingComponentWillReceivePropsWarnings = []; + var pendingComponentWillUpdateWarnings = []; + var pendingUnsafeLifecycleWarnings = new Map(); + + // Tracks components we have already warned about. + var didWarnAboutDeprecatedLifecycles = new Set(); + var didWarnAboutUnsafeLifecycles = new Set(); + + ReactStrictModeWarnings.discardPendingWarnings = function() { + pendingComponentWillMountWarnings = []; + pendingComponentWillReceivePropsWarnings = []; + pendingComponentWillUpdateWarnings = []; + pendingUnsafeLifecycleWarnings = new Map(); + }; + + ReactStrictModeWarnings.flushPendingUnsafeLifecycleWarnings = function() { + pendingUnsafeLifecycleWarnings.forEach(function( + lifecycleWarningsMap, + strictRoot + ) { + var lifecyclesWarningMesages = []; + + Object.keys(lifecycleWarningsMap).forEach(function(lifecycle) { + var lifecycleWarnings = lifecycleWarningsMap[lifecycle]; + if (lifecycleWarnings.length > 0) { + var componentNames = new Set(); + lifecycleWarnings.forEach(function(fiber) { + componentNames.add(getComponentName(fiber) || "Component"); + didWarnAboutUnsafeLifecycles.add(fiber.type); + }); + + var formatted = lifecycle.replace("UNSAFE_", ""); + var suggestion = LIFECYCLE_SUGGESTIONS[lifecycle]; + var sortedComponentNames = Array.from(componentNames) + .sort() + .join(", "); + + lifecyclesWarningMesages.push( + formatted + + ": Please update the following components to use " + + (suggestion + " instead: " + sortedComponentNames) + ); + } + }); + + if (lifecyclesWarningMesages.length > 0) { + var strictRootComponentStack = getStackAddendumByWorkInProgressFiber( + strictRoot + ); + + warning( + false, + "Unsafe lifecycle methods were found within a strict-mode tree:%s" + + "\n\n%s" + + "\n\nLearn more about this warning here:" + + "\nhttps://fb.me/react-strict-mode-warnings", + strictRootComponentStack, + lifecyclesWarningMesages.join("\n\n") + ); + } + }); + + pendingUnsafeLifecycleWarnings = new Map(); + }; + + var getStrictRoot = function(fiber) { + var maybeStrictRoot = null; + + while (fiber !== null) { + if (fiber.internalContextTag & StrictMode) { + maybeStrictRoot = fiber; + } + + fiber = fiber["return"]; + } + + return maybeStrictRoot; + }; + + ReactStrictModeWarnings.flushPendingDeprecationWarnings = function() { + if (pendingComponentWillMountWarnings.length > 0) { + var uniqueNames = new Set(); + pendingComponentWillMountWarnings.forEach(function(fiber) { + uniqueNames.add(getComponentName(fiber) || "Component"); + didWarnAboutDeprecatedLifecycles.add(fiber.type); + }); + + var sortedNames = Array.from(uniqueNames) + .sort() + .join(", "); + + warning( + false, + "componentWillMount is deprecated and will be removed in the next major version. " + + "Use componentDidMount instead. As a temporary workaround, " + + "you can rename to UNSAFE_componentWillMount." + + "\n\nPlease update the following components: %s" + + "\n\nLearn more about this warning here:" + + "\nhttps://fb.me/react-async-component-lifecycle-hooks", + sortedNames + ); + + pendingComponentWillMountWarnings = []; + } + + if (pendingComponentWillReceivePropsWarnings.length > 0) { + var _uniqueNames = new Set(); + pendingComponentWillReceivePropsWarnings.forEach(function(fiber) { + _uniqueNames.add(getComponentName(fiber) || "Component"); + didWarnAboutDeprecatedLifecycles.add(fiber.type); + }); + + var _sortedNames = Array.from(_uniqueNames) + .sort() + .join(", "); + + warning( + false, + "componentWillReceiveProps is deprecated and will be removed in the next major version. " + + "Use static getDerivedStateFromProps instead." + + "\n\nPlease update the following components: %s" + + "\n\nLearn more about this warning here:" + + "\nhttps://fb.me/react-async-component-lifecycle-hooks", + _sortedNames + ); + + pendingComponentWillReceivePropsWarnings = []; + } + + if (pendingComponentWillUpdateWarnings.length > 0) { + var _uniqueNames2 = new Set(); + pendingComponentWillUpdateWarnings.forEach(function(fiber) { + _uniqueNames2.add(getComponentName(fiber) || "Component"); + didWarnAboutDeprecatedLifecycles.add(fiber.type); + }); + + var _sortedNames2 = Array.from(_uniqueNames2) + .sort() + .join(", "); + + warning( + false, + "componentWillUpdate is deprecated and will be removed in the next major version. " + + "Use componentDidUpdate instead. As a temporary workaround, " + + "you can rename to UNSAFE_componentWillUpdate." + + "\n\nPlease update the following components: %s" + + "\n\nLearn more about this warning here:" + + "\nhttps://fb.me/react-async-component-lifecycle-hooks", + _sortedNames2 + ); + + pendingComponentWillUpdateWarnings = []; + } + }; + + ReactStrictModeWarnings.recordDeprecationWarnings = function( + fiber, + instance + ) { + // Dedup strategy: Warn once per component. + if (didWarnAboutDeprecatedLifecycles.has(fiber.type)) { + return; + } + + // Don't warn about react-lifecycles-compat polyfilled components. + // Note that it is sufficient to check for the presence of a + // single lifecycle, componentWillMount, with the polyfill flag. + if ( + typeof instance.componentWillMount === "function" && + instance.componentWillMount.__suppressDeprecationWarning === true + ) { + return; + } + + if (typeof instance.componentWillMount === "function") { + pendingComponentWillMountWarnings.push(fiber); + } + if (typeof instance.componentWillReceiveProps === "function") { + pendingComponentWillReceivePropsWarnings.push(fiber); + } + if (typeof instance.componentWillUpdate === "function") { + pendingComponentWillUpdateWarnings.push(fiber); + } + }; + + ReactStrictModeWarnings.recordUnsafeLifecycleWarnings = function( + fiber, + instance + ) { + var strictRoot = getStrictRoot(fiber); + + // Dedup strategy: Warn once per component. + // This is difficult to track any other way since component names + // are often vague and are likely to collide between 3rd party libraries. + // An expand property is probably okay to use here since it's DEV-only, + // and will only be set in the event of serious warnings. + if (didWarnAboutUnsafeLifecycles.has(fiber.type)) { + return; + } + + // Don't warn about react-lifecycles-compat polyfilled components. + // Note that it is sufficient to check for the presence of a + // single lifecycle, componentWillMount, with the polyfill flag. + if ( + typeof instance.componentWillMount === "function" && + instance.componentWillMount.__suppressDeprecationWarning === true + ) { + return; + } + + var warningsForRoot = void 0; + if (!pendingUnsafeLifecycleWarnings.has(strictRoot)) { + warningsForRoot = { + UNSAFE_componentWillMount: [], + UNSAFE_componentWillReceiveProps: [], + UNSAFE_componentWillUpdate: [] + }; + + pendingUnsafeLifecycleWarnings.set(strictRoot, warningsForRoot); + } else { + warningsForRoot = pendingUnsafeLifecycleWarnings.get(strictRoot); + } + + var unsafeLifecycles = []; + if ( + typeof instance.componentWillMount === "function" || + typeof instance.UNSAFE_componentWillMount === "function" + ) { + unsafeLifecycles.push("UNSAFE_componentWillMount"); + } + if ( + typeof instance.componentWillReceiveProps === "function" || + typeof instance.UNSAFE_componentWillReceiveProps === "function" + ) { + unsafeLifecycles.push("UNSAFE_componentWillReceiveProps"); + } + if ( + typeof instance.componentWillUpdate === "function" || + typeof instance.UNSAFE_componentWillUpdate === "function" + ) { + unsafeLifecycles.push("UNSAFE_componentWillUpdate"); + } + + if (unsafeLifecycles.length > 0) { + unsafeLifecycles.forEach(function(lifecycle) { + warningsForRoot[lifecycle].push(fiber); + }); + } + }; +} + +var didWarnUpdateInsideUpdate = void 0; + +{ + didWarnUpdateInsideUpdate = false; +} + +// Callbacks are not validated until invocation + +// Singly linked-list of updates. When an update is scheduled, it is added to +// the queue of the current fiber and the work-in-progress fiber. The two queues +// are separate but they share a persistent structure. +// +// During reconciliation, updates are removed from the work-in-progress fiber, +// but they remain on the current fiber. That ensures that if a work-in-progress +// is aborted, the aborted updates are recovered by cloning from current. +// +// The work-in-progress queue is always a subset of the current queue. +// +// When the tree is committed, the work-in-progress becomes the current. + +function createUpdateQueue(baseState) { + var queue = { + baseState: baseState, + expirationTime: NoWork, + first: null, + last: null, + callbackList: null, + hasForceUpdate: false, + isInitialized: false + }; + { + queue.isProcessing = false; + } + return queue; +} + +function insertUpdateIntoQueue(queue, update) { + // Append the update to the end of the list. + if (queue.last === null) { + // Queue is empty + queue.first = queue.last = update; + } else { + queue.last.next = update; + queue.last = update; + } + if ( + queue.expirationTime === NoWork || + queue.expirationTime > update.expirationTime + ) { + queue.expirationTime = update.expirationTime; + } +} + +function insertUpdateIntoFiber(fiber, update) { + // We'll have at least one and at most two distinct update queues. + var alternateFiber = fiber.alternate; + var queue1 = fiber.updateQueue; + if (queue1 === null) { + // TODO: We don't know what the base state will be until we begin work. + // It depends on which fiber is the next current. Initialize with an empty + // base state, then set to the memoizedState when rendering. Not super + // happy with this approach. + queue1 = fiber.updateQueue = createUpdateQueue(null); + } + + var queue2 = void 0; + if (alternateFiber !== null) { + queue2 = alternateFiber.updateQueue; + if (queue2 === null) { + queue2 = alternateFiber.updateQueue = createUpdateQueue(null); + } + } else { + queue2 = null; + } + queue2 = queue2 !== queue1 ? queue2 : null; + + // Warn if an update is scheduled from inside an updater function. + { + if ( + (queue1.isProcessing || (queue2 !== null && queue2.isProcessing)) && + !didWarnUpdateInsideUpdate + ) { + warning( + false, + "An update (setState, replaceState, or forceUpdate) was scheduled " + + "from inside an update function. Update functions should be pure, " + + "with zero side-effects. Consider using componentDidUpdate or a " + + "callback." + ); + didWarnUpdateInsideUpdate = true; + } + } + + // If there's only one queue, add the update to that queue and exit. + if (queue2 === null) { + insertUpdateIntoQueue(queue1, update); + return; + } + + // If either queue is empty, we need to add to both queues. + if (queue1.last === null || queue2.last === null) { + insertUpdateIntoQueue(queue1, update); + insertUpdateIntoQueue(queue2, update); + return; + } + + // If both lists are not empty, the last update is the same for both lists + // because of structural sharing. So, we should only append to one of + // the lists. + insertUpdateIntoQueue(queue1, update); + // But we still need to update the `last` pointer of queue2. + queue2.last = update; +} + +function getUpdateExpirationTime(fiber) { + if (fiber.tag !== ClassComponent && fiber.tag !== HostRoot) { + return NoWork; + } + var updateQueue = fiber.updateQueue; + if (updateQueue === null) { + return NoWork; + } + return updateQueue.expirationTime; +} + +function getStateFromUpdate(update, instance, prevState, props) { + var partialState = update.partialState; + if (typeof partialState === "function") { + return partialState.call(instance, prevState, props); + } else { + return partialState; + } +} + +function processUpdateQueue( + current, + workInProgress, + queue, + instance, + props, + renderExpirationTime +) { + if (current !== null && current.updateQueue === queue) { + // We need to create a work-in-progress queue, by cloning the current queue. + var currentQueue = queue; + queue = workInProgress.updateQueue = { + baseState: currentQueue.baseState, + expirationTime: currentQueue.expirationTime, + first: currentQueue.first, + last: currentQueue.last, + isInitialized: currentQueue.isInitialized, + // These fields are no longer valid because they were already committed. + // Reset them. + callbackList: null, + hasForceUpdate: false + }; + } + + { + // Set this flag so we can warn if setState is called inside the update + // function of another setState. + queue.isProcessing = true; + } + + // Reset the remaining expiration time. If we skip over any updates, we'll + // increase this accordingly. + queue.expirationTime = NoWork; + + // TODO: We don't know what the base state will be until we begin work. + // It depends on which fiber is the next current. Initialize with an empty + // base state, then set to the memoizedState when rendering. Not super + // happy with this approach. + var state = void 0; + if (queue.isInitialized) { + state = queue.baseState; + } else { + state = queue.baseState = workInProgress.memoizedState; + queue.isInitialized = true; + } + var dontMutatePrevState = true; + var update = queue.first; + var didSkip = false; + while (update !== null) { + var updateExpirationTime = update.expirationTime; + if (updateExpirationTime > renderExpirationTime) { + // This update does not have sufficient priority. Skip it. + var remainingExpirationTime = queue.expirationTime; + if ( + remainingExpirationTime === NoWork || + remainingExpirationTime > updateExpirationTime + ) { + // Update the remaining expiration time. + queue.expirationTime = updateExpirationTime; + } + if (!didSkip) { + didSkip = true; + queue.baseState = state; + } + // Continue to the next update. + update = update.next; + continue; + } + + // This update does have sufficient priority. + + // If no previous updates were skipped, drop this update from the queue by + // advancing the head of the list. + if (!didSkip) { + queue.first = update.next; + if (queue.first === null) { + queue.last = null; + } + } + + // Invoke setState callback an extra time to help detect side-effects. + // Ignore the return value in this case. + if ( + debugRenderPhaseSideEffects || + (debugRenderPhaseSideEffectsForStrictMode && + workInProgress.internalContextTag & StrictMode) + ) { + getStateFromUpdate(update, instance, state, props); + } + + // Process the update + var _partialState = void 0; + if (update.isReplace) { + state = getStateFromUpdate(update, instance, state, props); + dontMutatePrevState = true; + } else { + _partialState = getStateFromUpdate(update, instance, state, props); + if (_partialState) { + if (dontMutatePrevState) { + // $FlowFixMe: Idk how to type this properly. + state = Object.assign({}, state, _partialState); + } else { + state = Object.assign(state, _partialState); + } + dontMutatePrevState = false; + } + } + if (update.isForced) { + queue.hasForceUpdate = true; + } + if (update.callback !== null) { + // Append to list of callbacks. + var _callbackList = queue.callbackList; + if (_callbackList === null) { + _callbackList = queue.callbackList = []; + } + _callbackList.push(update); + } + update = update.next; + } + + if (queue.callbackList !== null) { + workInProgress.effectTag |= Callback; + } else if (queue.first === null && !queue.hasForceUpdate) { + // The queue is empty. We can reset it. + workInProgress.updateQueue = null; + } + + if (!didSkip) { + didSkip = true; + queue.baseState = state; + } + + { + // No longer processing. + queue.isProcessing = false; + } + + return state; +} + +function commitCallbacks(queue, context) { + var callbackList = queue.callbackList; + if (callbackList === null) { + return; + } + // Set the list to null to make sure they don't get called more than once. + queue.callbackList = null; + for (var i = 0; i < callbackList.length; i++) { + var update = callbackList[i]; + var _callback = update.callback; + // This update might be processed again. Clear the callback so it's only + // called once. + update.callback = null; + invariant( + typeof _callback === "function", + "Invalid argument passed as callback. Expected a function. Instead " + + "received: %s", + _callback + ); + _callback.call(context); + } +} + +var fakeInternalInstance = {}; +var isArray = Array.isArray; + +var didWarnAboutStateAssignmentForComponent = void 0; +var didWarnAboutUndefinedDerivedState = void 0; +var didWarnAboutUninitializedState = void 0; +var didWarnAboutWillReceivePropsAndDerivedState = void 0; +var warnOnInvalidCallback = void 0; + +{ + didWarnAboutStateAssignmentForComponent = {}; + didWarnAboutUndefinedDerivedState = {}; + didWarnAboutUninitializedState = {}; + didWarnAboutWillReceivePropsAndDerivedState = {}; + + var didWarnOnInvalidCallback = {}; + + warnOnInvalidCallback = function(callback, callerName) { + if (callback === null || typeof callback === "function") { + return; + } + var key = callerName + "_" + callback; + if (!didWarnOnInvalidCallback[key]) { + warning( + false, + "%s(...): Expected the last optional `callback` argument to be a " + + "function. Instead received: %s.", + callerName, + callback + ); + didWarnOnInvalidCallback[key] = true; + } + }; + + // This is so gross but it's at least non-critical and can be removed if + // it causes problems. This is meant to give a nicer error message for + // ReactDOM15.unstable_renderSubtreeIntoContainer(reactDOM16Component, + // ...)) which otherwise throws a "_processChildContext is not a function" + // exception. + Object.defineProperty(fakeInternalInstance, "_processChildContext", { + enumerable: false, + value: function() { + invariant( + false, + "_processChildContext is not available in React 16+. This likely " + + "means you have multiple copies of React and are attempting to nest " + + "a React 15 tree inside a React 16 tree using " + + "unstable_renderSubtreeIntoContainer, which isn't supported. Try " + + "to make sure you have only one copy of React (and ideally, switch " + + "to ReactDOM.createPortal)." + ); + } + }); + Object.freeze(fakeInternalInstance); +} + +var ReactFiberClassComponent = function( + scheduleWork, + computeExpirationForFiber, + memoizeProps, + memoizeState +) { + // Class component state updater + var updater = { + isMounted: isMounted, + enqueueSetState: function(instance, partialState, callback) { + var fiber = get(instance); + callback = callback === undefined ? null : callback; + { + warnOnInvalidCallback(callback, "setState"); + } + var expirationTime = computeExpirationForFiber(fiber); + var update = { + expirationTime: expirationTime, + partialState: partialState, + callback: callback, + isReplace: false, + isForced: false, + nextCallback: null, + next: null + }; + insertUpdateIntoFiber(fiber, update); + scheduleWork(fiber, expirationTime); + }, + enqueueReplaceState: function(instance, state, callback) { + var fiber = get(instance); + callback = callback === undefined ? null : callback; + { + warnOnInvalidCallback(callback, "replaceState"); + } + var expirationTime = computeExpirationForFiber(fiber); + var update = { + expirationTime: expirationTime, + partialState: state, + callback: callback, + isReplace: true, + isForced: false, + nextCallback: null, + next: null + }; + insertUpdateIntoFiber(fiber, update); + scheduleWork(fiber, expirationTime); + }, + enqueueForceUpdate: function(instance, callback) { + var fiber = get(instance); + callback = callback === undefined ? null : callback; + { + warnOnInvalidCallback(callback, "forceUpdate"); + } + var expirationTime = computeExpirationForFiber(fiber); + var update = { + expirationTime: expirationTime, + partialState: null, + callback: callback, + isReplace: false, + isForced: true, + nextCallback: null, + next: null + }; + insertUpdateIntoFiber(fiber, update); + scheduleWork(fiber, expirationTime); + } + }; + + function checkShouldComponentUpdate( + workInProgress, + oldProps, + newProps, + oldState, + newState, + newContext + ) { + if ( + oldProps === null || + (workInProgress.updateQueue !== null && + workInProgress.updateQueue.hasForceUpdate) + ) { + // If the workInProgress already has an Update effect, return true + return true; + } + + var instance = workInProgress.stateNode; + var type = workInProgress.type; + if (typeof instance.shouldComponentUpdate === "function") { + startPhaseTimer(workInProgress, "shouldComponentUpdate"); + var shouldUpdate = instance.shouldComponentUpdate( + newProps, + newState, + newContext + ); + stopPhaseTimer(); + + { + warning( + shouldUpdate !== undefined, + "%s.shouldComponentUpdate(): Returned undefined instead of a " + + "boolean value. Make sure to return true or false.", + getComponentName(workInProgress) || "Unknown" + ); + } + + return shouldUpdate; + } + + if (type.prototype && type.prototype.isPureReactComponent) { + return ( + !shallowEqual(oldProps, newProps) || !shallowEqual(oldState, newState) + ); + } + + return true; + } + + function checkClassInstance(workInProgress) { + var instance = workInProgress.stateNode; + var type = workInProgress.type; + { + var name = getComponentName(workInProgress); + var renderPresent = instance.render; + + if (!renderPresent) { + if (type.prototype && typeof type.prototype.render === "function") { + warning( + false, + "%s(...): No `render` method found on the returned component " + + "instance: did you accidentally return an object from the constructor?", + name + ); + } else { + warning( + false, + "%s(...): No `render` method found on the returned component " + + "instance: you may have forgotten to define `render`.", + name + ); + } + } + + var noGetInitialStateOnES6 = + !instance.getInitialState || + instance.getInitialState.isReactClassApproved || + instance.state; + warning( + noGetInitialStateOnES6, + "getInitialState was defined on %s, a plain JavaScript class. " + + "This is only supported for classes created using React.createClass. " + + "Did you mean to define a state property instead?", + name + ); + var noGetDefaultPropsOnES6 = + !instance.getDefaultProps || + instance.getDefaultProps.isReactClassApproved; + warning( + noGetDefaultPropsOnES6, + "getDefaultProps was defined on %s, a plain JavaScript class. " + + "This is only supported for classes created using React.createClass. " + + "Use a static property to define defaultProps instead.", + name + ); + var noInstancePropTypes = !instance.propTypes; + warning( + noInstancePropTypes, + "propTypes was defined as an instance property on %s. Use a static " + + "property to define propTypes instead.", + name + ); + var noInstanceContextTypes = !instance.contextTypes; + warning( + noInstanceContextTypes, + "contextTypes was defined as an instance property on %s. Use a static " + + "property to define contextTypes instead.", + name + ); + var noComponentShouldUpdate = + typeof instance.componentShouldUpdate !== "function"; + warning( + noComponentShouldUpdate, + "%s has a method called " + + "componentShouldUpdate(). Did you mean shouldComponentUpdate()? " + + "The name is phrased as a question because the function is " + + "expected to return a value.", + name + ); + if ( + type.prototype && + type.prototype.isPureReactComponent && + typeof instance.shouldComponentUpdate !== "undefined" + ) { + warning( + false, + "%s has a method called shouldComponentUpdate(). " + + "shouldComponentUpdate should not be used when extending React.PureComponent. " + + "Please extend React.Component if shouldComponentUpdate is used.", + getComponentName(workInProgress) || "A pure component" + ); + } + var noComponentDidUnmount = + typeof instance.componentDidUnmount !== "function"; + warning( + noComponentDidUnmount, + "%s has a method called " + + "componentDidUnmount(). But there is no such lifecycle method. " + + "Did you mean componentWillUnmount()?", + name + ); + var noComponentDidReceiveProps = + typeof instance.componentDidReceiveProps !== "function"; + warning( + noComponentDidReceiveProps, + "%s has a method called " + + "componentDidReceiveProps(). But there is no such lifecycle method. " + + "If you meant to update the state in response to changing props, " + + "use componentWillReceiveProps(). If you meant to fetch data or " + + "run side-effects or mutations after React has updated the UI, use componentDidUpdate().", + name + ); + var noComponentWillRecieveProps = + typeof instance.componentWillRecieveProps !== "function"; + warning( + noComponentWillRecieveProps, + "%s has a method called " + + "componentWillRecieveProps(). Did you mean componentWillReceiveProps()?", + name + ); + var noUnsafeComponentWillRecieveProps = + typeof instance.UNSAFE_componentWillRecieveProps !== "function"; + warning( + noUnsafeComponentWillRecieveProps, + "%s has a method called " + + "UNSAFE_componentWillRecieveProps(). Did you mean UNSAFE_componentWillReceiveProps()?", + name + ); + var hasMutatedProps = instance.props !== workInProgress.pendingProps; + warning( + instance.props === undefined || !hasMutatedProps, + "%s(...): When calling super() in `%s`, make sure to pass " + + "up the same props that your component's constructor was passed.", + name, + name + ); + var noInstanceDefaultProps = !instance.defaultProps; + warning( + noInstanceDefaultProps, + "Setting defaultProps as an instance property on %s is not supported and will be ignored." + + " Instead, define defaultProps as a static property on %s.", + name, + name + ); + } + + var state = instance.state; + if (state && (typeof state !== "object" || isArray(state))) { + warning( + false, + "%s.state: must be set to an object or null", + getComponentName(workInProgress) + ); + } + if (typeof instance.getChildContext === "function") { + warning( + typeof workInProgress.type.childContextTypes === "object", + "%s.getChildContext(): childContextTypes must be defined in order to " + + "use getChildContext().", + getComponentName(workInProgress) + ); + } + } + + function resetInputPointers(workInProgress, instance) { + instance.props = workInProgress.memoizedProps; + instance.state = workInProgress.memoizedState; + } + + function adoptClassInstance(workInProgress, instance) { + instance.updater = updater; + workInProgress.stateNode = instance; + // The instance needs access to the fiber so that it can schedule updates + set(instance, workInProgress); + { + instance._reactInternalInstance = fakeInternalInstance; + } + } + + function constructClassInstance(workInProgress, props) { + var ctor = workInProgress.type; + var unmaskedContext = getUnmaskedContext(workInProgress); + var needsContext = isContextConsumer(workInProgress); + var context = needsContext + ? getMaskedContext(workInProgress, unmaskedContext) + : emptyObject; + + // Instantiate twice to help detect side-effects. + if ( + debugRenderPhaseSideEffects || + (debugRenderPhaseSideEffectsForStrictMode && + workInProgress.internalContextTag & StrictMode) + ) { + new ctor(props, context); // eslint-disable-line no-new + } + + var instance = new ctor(props, context); + var state = + instance.state !== null && instance.state !== undefined + ? instance.state + : null; + adoptClassInstance(workInProgress, instance); + + { + if ( + typeof ctor.getDerivedStateFromProps === "function" && + state === null + ) { + var componentName = getComponentName(workInProgress) || "Unknown"; + if (!didWarnAboutUninitializedState[componentName]) { + warning( + false, + "%s: Did not properly initialize state during construction. " + + "Expected state to be an object, but it was %s.", + componentName, + instance.state === null ? "null" : "undefined" + ); + didWarnAboutUninitializedState[componentName] = true; + } + } + } + + workInProgress.memoizedState = state; + + var partialState = callGetDerivedStateFromProps( + workInProgress, + instance, + props + ); + + if (partialState !== null && partialState !== undefined) { + // Render-phase updates (like this) should not be added to the update queue, + // So that multiple render passes do not enqueue multiple updates. + // Instead, just synchronously merge the returned state into the instance. + workInProgress.memoizedState = Object.assign( + {}, + workInProgress.memoizedState, + partialState + ); + } + + // Cache unmasked context so we can avoid recreating masked context unless necessary. + // ReactFiberContext usually updates this cache but can't for newly-created instances. + if (needsContext) { + cacheContext(workInProgress, unmaskedContext, context); + } + + return instance; + } + + function callComponentWillMount(workInProgress, instance) { + startPhaseTimer(workInProgress, "componentWillMount"); + var oldState = instance.state; + + if (typeof instance.componentWillMount === "function") { + instance.componentWillMount(); + } else { + instance.UNSAFE_componentWillMount(); + } + + stopPhaseTimer(); + + if (oldState !== instance.state) { + { + warning( + false, + "%s.componentWillMount(): Assigning directly to this.state is " + + "deprecated (except inside a component's " + + "constructor). Use setState instead.", + getComponentName(workInProgress) + ); + } + updater.enqueueReplaceState(instance, instance.state, null); + } + } + + function callComponentWillReceiveProps( + workInProgress, + instance, + newProps, + newContext + ) { + var oldState = instance.state; + if (typeof instance.componentWillReceiveProps === "function") { + startPhaseTimer(workInProgress, "componentWillReceiveProps"); + instance.componentWillReceiveProps(newProps, newContext); + stopPhaseTimer(); + } else { + startPhaseTimer(workInProgress, "componentWillReceiveProps"); + instance.UNSAFE_componentWillReceiveProps(newProps, newContext); + stopPhaseTimer(); + } + + if (instance.state !== oldState) { + { + var componentName = getComponentName(workInProgress) || "Component"; + if (!didWarnAboutStateAssignmentForComponent[componentName]) { + warning( + false, + "%s.componentWillReceiveProps(): Assigning directly to " + + "this.state is deprecated (except inside a component's " + + "constructor). Use setState instead.", + componentName + ); + didWarnAboutStateAssignmentForComponent[componentName] = true; + } + } + updater.enqueueReplaceState(instance, instance.state, null); + } + } + + function callGetDerivedStateFromProps(workInProgress, instance, props) { + var type = workInProgress.type; + + if (typeof type.getDerivedStateFromProps === "function") { + { + // Don't warn about react-lifecycles-compat polyfilled components + if ( + (typeof instance.componentWillReceiveProps === "function" && + instance.componentWillReceiveProps.__suppressDeprecationWarning !== + true) || + typeof instance.UNSAFE_componentWillReceiveProps === "function" + ) { + var componentName = getComponentName(workInProgress) || "Unknown"; + if (!didWarnAboutWillReceivePropsAndDerivedState[componentName]) { + warning( + false, + "%s: Defines both componentWillReceiveProps() and static " + + "getDerivedStateFromProps() methods. We recommend using " + + "only getDerivedStateFromProps().", + componentName + ); + didWarnAboutWillReceivePropsAndDerivedState[componentName] = true; + } + } + } + + if ( + debugRenderPhaseSideEffects || + (debugRenderPhaseSideEffectsForStrictMode && + workInProgress.internalContextTag & StrictMode) + ) { + // Invoke method an extra time to help detect side-effects. + type.getDerivedStateFromProps.call( + null, + props, + workInProgress.memoizedState + ); + } + + var partialState = type.getDerivedStateFromProps.call( + null, + props, + workInProgress.memoizedState + ); + + { + if (partialState === undefined) { + var _componentName = getComponentName(workInProgress) || "Unknown"; + if (!didWarnAboutUndefinedDerivedState[_componentName]) { + warning( + false, + "%s.getDerivedStateFromProps(): A valid state object (or null) must be returned. " + + "You have returned undefined.", + _componentName + ); + didWarnAboutUndefinedDerivedState[_componentName] = _componentName; + } + } + } + + return partialState; + } + } + + // Invokes the mount life-cycles on a previously never rendered instance. + function mountClassInstance(workInProgress, renderExpirationTime) { + var current = workInProgress.alternate; + + { + checkClassInstance(workInProgress); + } + + var instance = workInProgress.stateNode; + var props = workInProgress.pendingProps; + var unmaskedContext = getUnmaskedContext(workInProgress); + + instance.props = props; + instance.state = workInProgress.memoizedState; + instance.refs = emptyObject; + instance.context = getMaskedContext(workInProgress, unmaskedContext); + + if (workInProgress.type != null && workInProgress.type.prototype != null) { + var prototype = workInProgress.type.prototype; + + if (enableAsyncSubtreeAPI) { + if (prototype.unstable_isAsyncReactComponent === true) { + workInProgress.internalContextTag |= AsyncUpdates; + workInProgress.internalContextTag |= StrictMode; + } + } + } + + { + if (workInProgress.internalContextTag & StrictMode) { + ReactStrictModeWarnings.recordUnsafeLifecycleWarnings( + workInProgress, + instance + ); + } + + if (warnAboutDeprecatedLifecycles) { + ReactStrictModeWarnings.recordDeprecationWarnings( + workInProgress, + instance + ); + } + } + + // In order to support react-lifecycles-compat polyfilled components, + // Unsafe lifecycles should not be invoked for any component with the new gDSFP. + if ( + (typeof instance.UNSAFE_componentWillMount === "function" || + typeof instance.componentWillMount === "function") && + typeof workInProgress.type.getDerivedStateFromProps !== "function" + ) { + callComponentWillMount(workInProgress, instance); + // If we had additional state updates during this life-cycle, let's + // process them now. + var updateQueue = workInProgress.updateQueue; + if (updateQueue !== null) { + instance.state = processUpdateQueue( + current, + workInProgress, + updateQueue, + instance, + props, + renderExpirationTime + ); + } + } + if (typeof instance.componentDidMount === "function") { + workInProgress.effectTag |= Update; + } + } + + // Called on a preexisting class instance. Returns false if a resumed render + // could be reused. + // function resumeMountClassInstance( + // workInProgress: Fiber, + // priorityLevel: PriorityLevel, + // ): boolean { + // const instance = workInProgress.stateNode; + // resetInputPointers(workInProgress, instance); + + // let newState = workInProgress.memoizedState; + // let newProps = workInProgress.pendingProps; + // if (!newProps) { + // // If there isn't any new props, then we'll reuse the memoized props. + // // This could be from already completed work. + // newProps = workInProgress.memoizedProps; + // invariant( + // newProps != null, + // 'There should always be pending or memoized props. This error is ' + + // 'likely caused by a bug in React. Please file an issue.', + // ); + // } + // const newUnmaskedContext = getUnmaskedContext(workInProgress); + // const newContext = getMaskedContext(workInProgress, newUnmaskedContext); + + // const oldContext = instance.context; + // const oldProps = workInProgress.memoizedProps; + + // if ( + // typeof instance.componentWillReceiveProps === 'function' && + // (oldProps !== newProps || oldContext !== newContext) + // ) { + // callComponentWillReceiveProps( + // workInProgress, + // instance, + // newProps, + // newContext, + // ); + // } + + // // Process the update queue before calling shouldComponentUpdate + // const updateQueue = workInProgress.updateQueue; + // if (updateQueue !== null) { + // newState = processUpdateQueue( + // workInProgress, + // updateQueue, + // instance, + // newState, + // newProps, + // priorityLevel, + // ); + // } + + // // TODO: Should we deal with a setState that happened after the last + // // componentWillMount and before this componentWillMount? Probably + // // unsupported anyway. + + // if ( + // !checkShouldComponentUpdate( + // workInProgress, + // workInProgress.memoizedProps, + // newProps, + // workInProgress.memoizedState, + // newState, + // newContext, + // ) + // ) { + // // Update the existing instance's state, props, and context pointers even + // // though we're bailing out. + // instance.props = newProps; + // instance.state = newState; + // instance.context = newContext; + // return false; + // } + + // // Update the input pointers now so that they are correct when we call + // // componentWillMount + // instance.props = newProps; + // instance.state = newState; + // instance.context = newContext; + + // if (typeof instance.componentWillMount === 'function') { + // callComponentWillMount(workInProgress, instance); + // // componentWillMount may have called setState. Process the update queue. + // const newUpdateQueue = workInProgress.updateQueue; + // if (newUpdateQueue !== null) { + // newState = processUpdateQueue( + // workInProgress, + // newUpdateQueue, + // instance, + // newState, + // newProps, + // priorityLevel, + // ); + // } + // } + + // if (typeof instance.componentDidMount === 'function') { + // workInProgress.effectTag |= Update; + // } + + // instance.state = newState; + + // return true; + // } + + // Invokes the update life-cycles and returns false if it shouldn't rerender. + function updateClassInstance(current, workInProgress, renderExpirationTime) { + var instance = workInProgress.stateNode; + resetInputPointers(workInProgress, instance); + + var oldProps = workInProgress.memoizedProps; + var newProps = workInProgress.pendingProps; + var oldContext = instance.context; + var newUnmaskedContext = getUnmaskedContext(workInProgress); + var newContext = getMaskedContext(workInProgress, newUnmaskedContext); + + // Note: During these life-cycles, instance.props/instance.state are what + // ever the previously attempted to render - not the "current". However, + // during componentDidUpdate we pass the "current" props. + + // In order to support react-lifecycles-compat polyfilled components, + // Unsafe lifecycles should not be invoked for any component with the new gDSFP. + if ( + (typeof instance.UNSAFE_componentWillReceiveProps === "function" || + typeof instance.componentWillReceiveProps === "function") && + typeof workInProgress.type.getDerivedStateFromProps !== "function" + ) { + if (oldProps !== newProps || oldContext !== newContext) { + callComponentWillReceiveProps( + workInProgress, + instance, + newProps, + newContext + ); + } + } + + var partialState = void 0; + if (oldProps !== newProps) { + partialState = callGetDerivedStateFromProps( + workInProgress, + instance, + newProps + ); + } + + // Compute the next state using the memoized state and the update queue. + var oldState = workInProgress.memoizedState; + // TODO: Previous state can be null. + var newState = void 0; + if (workInProgress.updateQueue !== null) { + newState = processUpdateQueue( + current, + workInProgress, + workInProgress.updateQueue, + instance, + newProps, + renderExpirationTime + ); + } else { + newState = oldState; + } + + if (partialState !== null && partialState !== undefined) { + // Render-phase updates (like this) should not be added to the update queue, + // So that multiple render passes do not enqueue multiple updates. + // Instead, just synchronously merge the returned state into the instance. + newState = + newState === null || newState === undefined + ? partialState + : Object.assign({}, newState, partialState); + } + + if ( + oldProps === newProps && + oldState === newState && + !hasContextChanged() && + !( + workInProgress.updateQueue !== null && + workInProgress.updateQueue.hasForceUpdate + ) + ) { + // If an update was already in progress, we should schedule an Update + // effect even though we're bailing out, so that cWU/cDU are called. + if (typeof instance.componentDidUpdate === "function") { + if ( + oldProps !== current.memoizedProps || + oldState !== current.memoizedState + ) { + workInProgress.effectTag |= Update; + } + } + return false; + } + + var shouldUpdate = checkShouldComponentUpdate( + workInProgress, + oldProps, + newProps, + oldState, + newState, + newContext + ); + + if (shouldUpdate) { + // In order to support react-lifecycles-compat polyfilled components, + // Unsafe lifecycles should not be invoked for any component with the new gDSFP. + if ( + (typeof instance.UNSAFE_componentWillUpdate === "function" || + typeof instance.componentWillUpdate === "function") && + typeof workInProgress.type.getDerivedStateFromProps !== "function" + ) { + if (typeof instance.componentWillUpdate === "function") { + startPhaseTimer(workInProgress, "componentWillUpdate"); + instance.componentWillUpdate(newProps, newState, newContext); + stopPhaseTimer(); + } else { + startPhaseTimer(workInProgress, "componentWillUpdate"); + instance.UNSAFE_componentWillUpdate(newProps, newState, newContext); + stopPhaseTimer(); + } + } + if (typeof instance.componentDidUpdate === "function") { + workInProgress.effectTag |= Update; + } + } else { + // If an update was already in progress, we should schedule an Update + // effect even though we're bailing out, so that cWU/cDU are called. + if (typeof instance.componentDidUpdate === "function") { + if ( + oldProps !== current.memoizedProps || + oldState !== current.memoizedState + ) { + workInProgress.effectTag |= Update; + } + } + + // If shouldComponentUpdate returned false, we should still update the + // memoized props/state to indicate that this work can be reused. + memoizeProps(workInProgress, newProps); + memoizeState(workInProgress, newState); + } + + // Update the existing instance's state, props, and context pointers even + // if shouldComponentUpdate returns false. + instance.props = newProps; + instance.state = newState; + instance.context = newContext; + + return shouldUpdate; + } + + return { + adoptClassInstance: adoptClassInstance, + callGetDerivedStateFromProps: callGetDerivedStateFromProps, + constructClassInstance: constructClassInstance, + mountClassInstance: mountClassInstance, + // resumeMountClassInstance, + updateClassInstance: updateClassInstance + }; +}; + +var getCurrentFiberStackAddendum$1 = + ReactDebugCurrentFiber.getCurrentFiberStackAddendum; + +var didWarnAboutMaps = void 0; +var ownerHasKeyUseWarning = void 0; +var ownerHasFunctionTypeWarning = void 0; +var warnForMissingKey = function(child) {}; + +{ + didWarnAboutMaps = false; + /** + * Warn if there's no key explicitly set on dynamic arrays of children or + * object keys are not valid. This allows us to keep track of children between + * updates. + */ + ownerHasKeyUseWarning = {}; + ownerHasFunctionTypeWarning = {}; + + warnForMissingKey = function(child) { + if (child === null || typeof child !== "object") { + return; + } + if (!child._store || child._store.validated || child.key != null) { + return; + } + invariant( + typeof child._store === "object", + "React Component in warnForMissingKey should have a _store. " + + "This error is likely caused by a bug in React. Please file an issue." + ); + child._store.validated = true; + + var currentComponentErrorInfo = + "Each child in an array or iterator should have a unique " + + '"key" prop. See https://fb.me/react-warning-keys for ' + + "more information." + + (getCurrentFiberStackAddendum$1() || ""); + if (ownerHasKeyUseWarning[currentComponentErrorInfo]) { + return; + } + ownerHasKeyUseWarning[currentComponentErrorInfo] = true; + + warning( + false, + "Each child in an array or iterator should have a unique " + + '"key" prop. See https://fb.me/react-warning-keys for ' + + "more information.%s", + getCurrentFiberStackAddendum$1() + ); + }; +} + +var isArray$1 = Array.isArray; + +function coerceRef(current, element) { + var mixedRef = element.ref; + if (mixedRef !== null && typeof mixedRef !== "function") { + if (element._owner) { + var owner = element._owner; + var inst = void 0; + if (owner) { + var ownerFiber = owner; + invariant( + ownerFiber.tag === ClassComponent, + "Stateless function components cannot have refs." + ); + inst = ownerFiber.stateNode; + } + invariant( + inst, + "Missing owner for string ref %s. This error is likely caused by a " + + "bug in React. Please file an issue.", + mixedRef + ); + var stringRef = "" + mixedRef; + // Check if previous string ref matches new string ref + if ( + current !== null && + current.ref !== null && + current.ref._stringRef === stringRef + ) { + return current.ref; + } + var ref = function(value) { + var refs = inst.refs === emptyObject ? (inst.refs = {}) : inst.refs; + if (value === null) { + delete refs[stringRef]; + } else { + refs[stringRef] = value; + } + }; + ref._stringRef = stringRef; + return ref; + } else { + invariant( + typeof mixedRef === "string", + "Expected ref to be a function or a string." + ); + invariant( + element._owner, + "Element ref was specified as a string (%s) but no owner was set. This could happen for one of" + + " the following reasons:\n" + + "1. You may be adding a ref to a functional component\n" + + "2. You may be adding a ref to a component that was not created inside a component's render method\n" + + "3. You have multiple copies of React loaded\n" + + "See https://fb.me/react-refs-must-have-owner for more information.", + mixedRef + ); + } + } + return mixedRef; +} + +function throwOnInvalidObjectType(returnFiber, newChild) { + if (returnFiber.type !== "textarea") { + var addendum = ""; + { + addendum = + " If you meant to render a collection of children, use an array " + + "instead." + + (getCurrentFiberStackAddendum$1() || ""); + } + invariant( + false, + "Objects are not valid as a React child (found: %s).%s", + Object.prototype.toString.call(newChild) === "[object Object]" + ? "object with keys {" + Object.keys(newChild).join(", ") + "}" + : newChild, + addendum + ); + } +} + +function warnOnFunctionType() { + var currentComponentErrorInfo = + "Functions are not valid as a React child. This may happen if " + + "you return a Component instead of from render. " + + "Or maybe you meant to call this function rather than return it." + + (getCurrentFiberStackAddendum$1() || ""); + + if (ownerHasFunctionTypeWarning[currentComponentErrorInfo]) { + return; + } + ownerHasFunctionTypeWarning[currentComponentErrorInfo] = true; + + warning( + false, + "Functions are not valid as a React child. This may happen if " + + "you return a Component instead of from render. " + + "Or maybe you meant to call this function rather than return it.%s", + getCurrentFiberStackAddendum$1() || "" + ); +} + +// This wrapper function exists because I expect to clone the code in each path +// to be able to optimize each path individually by branching early. This needs +// a compiler or we can do it manually. Helpers that don't need this branching +// live outside of this function. +function ChildReconciler(shouldTrackSideEffects) { + function deleteChild(returnFiber, childToDelete) { + if (!shouldTrackSideEffects) { + // Noop. + return; + } + // Deletions are added in reversed order so we add it to the front. + // At this point, the return fiber's effect list is empty except for + // deletions, so we can just append the deletion to the list. The remaining + // effects aren't added until the complete phase. Once we implement + // resuming, this may not be true. + var last = returnFiber.lastEffect; + if (last !== null) { + last.nextEffect = childToDelete; + returnFiber.lastEffect = childToDelete; + } else { + returnFiber.firstEffect = returnFiber.lastEffect = childToDelete; + } + childToDelete.nextEffect = null; + childToDelete.effectTag = Deletion; + } + + function deleteRemainingChildren(returnFiber, currentFirstChild) { + if (!shouldTrackSideEffects) { + // Noop. + return null; + } + + // TODO: For the shouldClone case, this could be micro-optimized a bit by + // assuming that after the first child we've already added everything. + var childToDelete = currentFirstChild; + while (childToDelete !== null) { + deleteChild(returnFiber, childToDelete); + childToDelete = childToDelete.sibling; + } + return null; + } + + function mapRemainingChildren(returnFiber, currentFirstChild) { + // Add the remaining children to a temporary map so that we can find them by + // keys quickly. Implicit (null) keys get added to this set with their index + var existingChildren = new Map(); + + var existingChild = currentFirstChild; + while (existingChild !== null) { + if (existingChild.key !== null) { + existingChildren.set(existingChild.key, existingChild); + } else { + existingChildren.set(existingChild.index, existingChild); + } + existingChild = existingChild.sibling; + } + return existingChildren; + } + + function useFiber(fiber, pendingProps, expirationTime) { + // We currently set sibling to null and index to 0 here because it is easy + // to forget to do before returning it. E.g. for the single child case. + var clone = createWorkInProgress(fiber, pendingProps, expirationTime); + clone.index = 0; + clone.sibling = null; + return clone; + } + + function placeChild(newFiber, lastPlacedIndex, newIndex) { + newFiber.index = newIndex; + if (!shouldTrackSideEffects) { + // Noop. + return lastPlacedIndex; + } + var current = newFiber.alternate; + if (current !== null) { + var oldIndex = current.index; + if (oldIndex < lastPlacedIndex) { + // This is a move. + newFiber.effectTag = Placement; + return lastPlacedIndex; + } else { + // This item can stay in place. + return oldIndex; + } + } else { + // This is an insertion. + newFiber.effectTag = Placement; + return lastPlacedIndex; + } + } + + function placeSingleChild(newFiber) { + // This is simpler for the single child case. We only need to do a + // placement for inserting new children. + if (shouldTrackSideEffects && newFiber.alternate === null) { + newFiber.effectTag = Placement; + } + return newFiber; + } + + function updateTextNode(returnFiber, current, textContent, expirationTime) { + if (current === null || current.tag !== HostText) { + // Insert + var created = createFiberFromText( + textContent, + returnFiber.internalContextTag, + expirationTime + ); + created["return"] = returnFiber; + return created; + } else { + // Update + var existing = useFiber(current, textContent, expirationTime); + existing["return"] = returnFiber; + return existing; + } + } + + function updateElement(returnFiber, current, element, expirationTime) { + if (current !== null && current.type === element.type) { + // Move based on index + var existing = useFiber(current, element.props, expirationTime); + existing.ref = coerceRef(current, element); + existing["return"] = returnFiber; + { + existing._debugSource = element._source; + existing._debugOwner = element._owner; + } + return existing; + } else { + // Insert + var created = createFiberFromElement( + element, + returnFiber.internalContextTag, + expirationTime + ); + created.ref = coerceRef(current, element); + created["return"] = returnFiber; + return created; + } + } + + function updatePortal(returnFiber, current, portal, expirationTime) { + if ( + current === null || + current.tag !== HostPortal || + current.stateNode.containerInfo !== portal.containerInfo || + current.stateNode.implementation !== portal.implementation + ) { + // Insert + var created = createFiberFromPortal( + portal, + returnFiber.internalContextTag, + expirationTime + ); + created["return"] = returnFiber; + return created; + } else { + // Update + var existing = useFiber(current, portal.children || [], expirationTime); + existing["return"] = returnFiber; + return existing; + } + } + + function updateFragment(returnFiber, current, fragment, expirationTime, key) { + if (current === null || current.tag !== Fragment) { + // Insert + var created = createFiberFromFragment( + fragment, + returnFiber.internalContextTag, + expirationTime, + key + ); + created["return"] = returnFiber; + return created; + } else { + // Update + var existing = useFiber(current, fragment, expirationTime); + existing["return"] = returnFiber; + return existing; + } + } + + function createChild(returnFiber, newChild, expirationTime) { + if (typeof newChild === "string" || typeof newChild === "number") { + // Text nodes don't have keys. If the previous node is implicitly keyed + // we can continue to replace it without aborting even if it is not a text + // node. + var created = createFiberFromText( + "" + newChild, + returnFiber.internalContextTag, + expirationTime + ); + created["return"] = returnFiber; + return created; + } + + if (typeof newChild === "object" && newChild !== null) { + switch (newChild.$$typeof) { + case REACT_ELEMENT_TYPE: { + var _created = createFiberFromElement( + newChild, + returnFiber.internalContextTag, + expirationTime + ); + _created.ref = coerceRef(null, newChild); + _created["return"] = returnFiber; + return _created; + } + case REACT_PORTAL_TYPE: { + var _created2 = createFiberFromPortal( + newChild, + returnFiber.internalContextTag, + expirationTime + ); + _created2["return"] = returnFiber; + return _created2; + } + } + + if (isArray$1(newChild) || getIteratorFn(newChild)) { + var _created3 = createFiberFromFragment( + newChild, + returnFiber.internalContextTag, + expirationTime, + null + ); + _created3["return"] = returnFiber; + return _created3; + } + + throwOnInvalidObjectType(returnFiber, newChild); + } + + { + if (typeof newChild === "function") { + warnOnFunctionType(); + } + } + + return null; + } + + function updateSlot(returnFiber, oldFiber, newChild, expirationTime) { + // Update the fiber if the keys match, otherwise return null. + + var key = oldFiber !== null ? oldFiber.key : null; + + if (typeof newChild === "string" || typeof newChild === "number") { + // Text nodes don't have keys. If the previous node is implicitly keyed + // we can continue to replace it without aborting even if it is not a text + // node. + if (key !== null) { + return null; + } + return updateTextNode( + returnFiber, + oldFiber, + "" + newChild, + expirationTime + ); + } + + if (typeof newChild === "object" && newChild !== null) { + switch (newChild.$$typeof) { + case REACT_ELEMENT_TYPE: { + if (newChild.key === key) { + if (newChild.type === REACT_FRAGMENT_TYPE) { + return updateFragment( + returnFiber, + oldFiber, + newChild.props.children, + expirationTime, + key + ); + } + return updateElement( + returnFiber, + oldFiber, + newChild, + expirationTime + ); + } else { + return null; + } + } + case REACT_PORTAL_TYPE: { + if (newChild.key === key) { + return updatePortal( + returnFiber, + oldFiber, + newChild, + expirationTime + ); + } else { + return null; + } + } + } + + if (isArray$1(newChild) || getIteratorFn(newChild)) { + if (key !== null) { + return null; + } + + return updateFragment( + returnFiber, + oldFiber, + newChild, + expirationTime, + null + ); + } + + throwOnInvalidObjectType(returnFiber, newChild); + } + + { + if (typeof newChild === "function") { + warnOnFunctionType(); + } + } + + return null; + } + + function updateFromMap( + existingChildren, + returnFiber, + newIdx, + newChild, + expirationTime + ) { + if (typeof newChild === "string" || typeof newChild === "number") { + // Text nodes don't have keys, so we neither have to check the old nor + // new node for the key. If both are text nodes, they match. + var matchedFiber = existingChildren.get(newIdx) || null; + return updateTextNode( + returnFiber, + matchedFiber, + "" + newChild, + expirationTime + ); + } + + if (typeof newChild === "object" && newChild !== null) { + switch (newChild.$$typeof) { + case REACT_ELEMENT_TYPE: { + var _matchedFiber = + existingChildren.get( + newChild.key === null ? newIdx : newChild.key + ) || null; + if (newChild.type === REACT_FRAGMENT_TYPE) { + return updateFragment( + returnFiber, + _matchedFiber, + newChild.props.children, + expirationTime, + newChild.key + ); + } + return updateElement( + returnFiber, + _matchedFiber, + newChild, + expirationTime + ); + } + case REACT_PORTAL_TYPE: { + var _matchedFiber2 = + existingChildren.get( + newChild.key === null ? newIdx : newChild.key + ) || null; + return updatePortal( + returnFiber, + _matchedFiber2, + newChild, + expirationTime + ); + } + } + + if (isArray$1(newChild) || getIteratorFn(newChild)) { + var _matchedFiber3 = existingChildren.get(newIdx) || null; + return updateFragment( + returnFiber, + _matchedFiber3, + newChild, + expirationTime, + null + ); + } + + throwOnInvalidObjectType(returnFiber, newChild); + } + + { + if (typeof newChild === "function") { + warnOnFunctionType(); + } + } + + return null; + } + + /** + * Warns if there is a duplicate or missing key + */ + function warnOnInvalidKey(child, knownKeys) { + { + if (typeof child !== "object" || child === null) { + return knownKeys; + } + switch (child.$$typeof) { + case REACT_ELEMENT_TYPE: + case REACT_PORTAL_TYPE: + warnForMissingKey(child); + var key = child.key; + if (typeof key !== "string") { + break; + } + if (knownKeys === null) { + knownKeys = new Set(); + knownKeys.add(key); + break; + } + if (!knownKeys.has(key)) { + knownKeys.add(key); + break; + } + warning( + false, + "Encountered two children with the same key, `%s`. " + + "Keys should be unique so that components maintain their identity " + + "across updates. Non-unique keys may cause children to be " + + "duplicated and/or omitted — the behavior is unsupported and " + + "could change in a future version.%s", + key, + getCurrentFiberStackAddendum$1() + ); + break; + default: + break; + } + } + return knownKeys; + } + + function reconcileChildrenArray( + returnFiber, + currentFirstChild, + newChildren, + expirationTime + ) { + // This algorithm can't optimize by searching from boths ends since we + // don't have backpointers on fibers. I'm trying to see how far we can get + // with that model. If it ends up not being worth the tradeoffs, we can + // add it later. + + // Even with a two ended optimization, we'd want to optimize for the case + // where there are few changes and brute force the comparison instead of + // going for the Map. It'd like to explore hitting that path first in + // forward-only mode and only go for the Map once we notice that we need + // lots of look ahead. This doesn't handle reversal as well as two ended + // search but that's unusual. Besides, for the two ended optimization to + // work on Iterables, we'd need to copy the whole set. + + // In this first iteration, we'll just live with hitting the bad case + // (adding everything to a Map) in for every insert/move. + + // If you change this code, also update reconcileChildrenIterator() which + // uses the same algorithm. + + { + // First, validate keys. + var knownKeys = null; + for (var i = 0; i < newChildren.length; i++) { + var child = newChildren[i]; + knownKeys = warnOnInvalidKey(child, knownKeys); + } + } + + var resultingFirstChild = null; + var previousNewFiber = null; + + var oldFiber = currentFirstChild; + var lastPlacedIndex = 0; + var newIdx = 0; + var nextOldFiber = null; + for (; oldFiber !== null && newIdx < newChildren.length; newIdx++) { + if (oldFiber.index > newIdx) { + nextOldFiber = oldFiber; + oldFiber = null; + } else { + nextOldFiber = oldFiber.sibling; + } + var newFiber = updateSlot( + returnFiber, + oldFiber, + newChildren[newIdx], + expirationTime + ); + if (newFiber === null) { + // TODO: This breaks on empty slots like null children. That's + // unfortunate because it triggers the slow path all the time. We need + // a better way to communicate whether this was a miss or null, + // boolean, undefined, etc. + if (oldFiber === null) { + oldFiber = nextOldFiber; + } + break; + } + if (shouldTrackSideEffects) { + if (oldFiber && newFiber.alternate === null) { + // We matched the slot, but we didn't reuse the existing fiber, so we + // need to delete the existing child. + deleteChild(returnFiber, oldFiber); + } + } + lastPlacedIndex = placeChild(newFiber, lastPlacedIndex, newIdx); + if (previousNewFiber === null) { + // TODO: Move out of the loop. This only happens for the first run. + resultingFirstChild = newFiber; + } else { + // TODO: Defer siblings if we're not at the right index for this slot. + // I.e. if we had null values before, then we want to defer this + // for each null value. However, we also don't want to call updateSlot + // with the previous one. + previousNewFiber.sibling = newFiber; + } + previousNewFiber = newFiber; + oldFiber = nextOldFiber; + } + + if (newIdx === newChildren.length) { + // We've reached the end of the new children. We can delete the rest. + deleteRemainingChildren(returnFiber, oldFiber); + return resultingFirstChild; + } + + if (oldFiber === null) { + // If we don't have any more existing children we can choose a fast path + // since the rest will all be insertions. + for (; newIdx < newChildren.length; newIdx++) { + var _newFiber = createChild( + returnFiber, + newChildren[newIdx], + expirationTime + ); + if (!_newFiber) { + continue; + } + lastPlacedIndex = placeChild(_newFiber, lastPlacedIndex, newIdx); + if (previousNewFiber === null) { + // TODO: Move out of the loop. This only happens for the first run. + resultingFirstChild = _newFiber; + } else { + previousNewFiber.sibling = _newFiber; + } + previousNewFiber = _newFiber; + } + return resultingFirstChild; + } + + // Add all children to a key map for quick lookups. + var existingChildren = mapRemainingChildren(returnFiber, oldFiber); + + // Keep scanning and use the map to restore deleted items as moves. + for (; newIdx < newChildren.length; newIdx++) { + var _newFiber2 = updateFromMap( + existingChildren, + returnFiber, + newIdx, + newChildren[newIdx], + expirationTime + ); + if (_newFiber2) { + if (shouldTrackSideEffects) { + if (_newFiber2.alternate !== null) { + // The new fiber is a work in progress, but if there exists a + // current, that means that we reused the fiber. We need to delete + // it from the child list so that we don't add it to the deletion + // list. + existingChildren["delete"]( + _newFiber2.key === null ? newIdx : _newFiber2.key + ); + } + } + lastPlacedIndex = placeChild(_newFiber2, lastPlacedIndex, newIdx); + if (previousNewFiber === null) { + resultingFirstChild = _newFiber2; + } else { + previousNewFiber.sibling = _newFiber2; + } + previousNewFiber = _newFiber2; + } + } + + if (shouldTrackSideEffects) { + // Any existing children that weren't consumed above were deleted. We need + // to add them to the deletion list. + existingChildren.forEach(function(child) { + return deleteChild(returnFiber, child); + }); + } + + return resultingFirstChild; + } + + function reconcileChildrenIterator( + returnFiber, + currentFirstChild, + newChildrenIterable, + expirationTime + ) { + // This is the same implementation as reconcileChildrenArray(), + // but using the iterator instead. + + var iteratorFn = getIteratorFn(newChildrenIterable); + invariant( + typeof iteratorFn === "function", + "An object is not an iterable. This error is likely caused by a bug in " + + "React. Please file an issue." + ); + + { + // Warn about using Maps as children + if (typeof newChildrenIterable.entries === "function") { + var possibleMap = newChildrenIterable; + if (possibleMap.entries === iteratorFn) { + warning( + didWarnAboutMaps, + "Using Maps as children is unsupported and will likely yield " + + "unexpected results. Convert it to a sequence/iterable of keyed " + + "ReactElements instead.%s", + getCurrentFiberStackAddendum$1() + ); + didWarnAboutMaps = true; + } + } + + // First, validate keys. + // We'll get a different iterator later for the main pass. + var _newChildren = iteratorFn.call(newChildrenIterable); + if (_newChildren) { + var knownKeys = null; + var _step = _newChildren.next(); + for (; !_step.done; _step = _newChildren.next()) { + var child = _step.value; + knownKeys = warnOnInvalidKey(child, knownKeys); + } + } + } + + var newChildren = iteratorFn.call(newChildrenIterable); + invariant(newChildren != null, "An iterable object provided no iterator."); + + var resultingFirstChild = null; + var previousNewFiber = null; + + var oldFiber = currentFirstChild; + var lastPlacedIndex = 0; + var newIdx = 0; + var nextOldFiber = null; + + var step = newChildren.next(); + for ( + ; + oldFiber !== null && !step.done; + newIdx++, step = newChildren.next() + ) { + if (oldFiber.index > newIdx) { + nextOldFiber = oldFiber; + oldFiber = null; + } else { + nextOldFiber = oldFiber.sibling; + } + var newFiber = updateSlot( + returnFiber, + oldFiber, + step.value, + expirationTime + ); + if (newFiber === null) { + // TODO: This breaks on empty slots like null children. That's + // unfortunate because it triggers the slow path all the time. We need + // a better way to communicate whether this was a miss or null, + // boolean, undefined, etc. + if (!oldFiber) { + oldFiber = nextOldFiber; + } + break; + } + if (shouldTrackSideEffects) { + if (oldFiber && newFiber.alternate === null) { + // We matched the slot, but we didn't reuse the existing fiber, so we + // need to delete the existing child. + deleteChild(returnFiber, oldFiber); + } + } + lastPlacedIndex = placeChild(newFiber, lastPlacedIndex, newIdx); + if (previousNewFiber === null) { + // TODO: Move out of the loop. This only happens for the first run. + resultingFirstChild = newFiber; + } else { + // TODO: Defer siblings if we're not at the right index for this slot. + // I.e. if we had null values before, then we want to defer this + // for each null value. However, we also don't want to call updateSlot + // with the previous one. + previousNewFiber.sibling = newFiber; + } + previousNewFiber = newFiber; + oldFiber = nextOldFiber; + } + + if (step.done) { + // We've reached the end of the new children. We can delete the rest. + deleteRemainingChildren(returnFiber, oldFiber); + return resultingFirstChild; + } + + if (oldFiber === null) { + // If we don't have any more existing children we can choose a fast path + // since the rest will all be insertions. + for (; !step.done; newIdx++, step = newChildren.next()) { + var _newFiber3 = createChild(returnFiber, step.value, expirationTime); + if (_newFiber3 === null) { + continue; + } + lastPlacedIndex = placeChild(_newFiber3, lastPlacedIndex, newIdx); + if (previousNewFiber === null) { + // TODO: Move out of the loop. This only happens for the first run. + resultingFirstChild = _newFiber3; + } else { + previousNewFiber.sibling = _newFiber3; + } + previousNewFiber = _newFiber3; + } + return resultingFirstChild; + } + + // Add all children to a key map for quick lookups. + var existingChildren = mapRemainingChildren(returnFiber, oldFiber); + + // Keep scanning and use the map to restore deleted items as moves. + for (; !step.done; newIdx++, step = newChildren.next()) { + var _newFiber4 = updateFromMap( + existingChildren, + returnFiber, + newIdx, + step.value, + expirationTime + ); + if (_newFiber4 !== null) { + if (shouldTrackSideEffects) { + if (_newFiber4.alternate !== null) { + // The new fiber is a work in progress, but if there exists a + // current, that means that we reused the fiber. We need to delete + // it from the child list so that we don't add it to the deletion + // list. + existingChildren["delete"]( + _newFiber4.key === null ? newIdx : _newFiber4.key + ); + } + } + lastPlacedIndex = placeChild(_newFiber4, lastPlacedIndex, newIdx); + if (previousNewFiber === null) { + resultingFirstChild = _newFiber4; + } else { + previousNewFiber.sibling = _newFiber4; + } + previousNewFiber = _newFiber4; + } + } + + if (shouldTrackSideEffects) { + // Any existing children that weren't consumed above were deleted. We need + // to add them to the deletion list. + existingChildren.forEach(function(child) { + return deleteChild(returnFiber, child); + }); + } + + return resultingFirstChild; + } + + function reconcileSingleTextNode( + returnFiber, + currentFirstChild, + textContent, + expirationTime + ) { + // There's no need to check for keys on text nodes since we don't have a + // way to define them. + if (currentFirstChild !== null && currentFirstChild.tag === HostText) { + // We already have an existing node so let's just update it and delete + // the rest. + deleteRemainingChildren(returnFiber, currentFirstChild.sibling); + var existing = useFiber(currentFirstChild, textContent, expirationTime); + existing["return"] = returnFiber; + return existing; + } + // The existing first child is not a text node so we need to create one + // and delete the existing ones. + deleteRemainingChildren(returnFiber, currentFirstChild); + var created = createFiberFromText( + textContent, + returnFiber.internalContextTag, + expirationTime + ); + created["return"] = returnFiber; + return created; + } + + function reconcileSingleElement( + returnFiber, + currentFirstChild, + element, + expirationTime + ) { + var key = element.key; + var child = currentFirstChild; + while (child !== null) { + // TODO: If key === null and child.key === null, then this only applies to + // the first item in the list. + if (child.key === key) { + if ( + child.tag === Fragment + ? element.type === REACT_FRAGMENT_TYPE + : child.type === element.type + ) { + deleteRemainingChildren(returnFiber, child.sibling); + var existing = useFiber( + child, + element.type === REACT_FRAGMENT_TYPE + ? element.props.children + : element.props, + expirationTime + ); + existing.ref = coerceRef(child, element); + existing["return"] = returnFiber; + { + existing._debugSource = element._source; + existing._debugOwner = element._owner; + } + return existing; + } else { + deleteRemainingChildren(returnFiber, child); + break; + } + } else { + deleteChild(returnFiber, child); + } + child = child.sibling; + } + + if (element.type === REACT_FRAGMENT_TYPE) { + var created = createFiberFromFragment( + element.props.children, + returnFiber.internalContextTag, + expirationTime, + element.key + ); + created["return"] = returnFiber; + return created; + } else { + var _created4 = createFiberFromElement( + element, + returnFiber.internalContextTag, + expirationTime + ); + _created4.ref = coerceRef(currentFirstChild, element); + _created4["return"] = returnFiber; + return _created4; + } + } + + function reconcileSinglePortal( + returnFiber, + currentFirstChild, + portal, + expirationTime + ) { + var key = portal.key; + var child = currentFirstChild; + while (child !== null) { + // TODO: If key === null and child.key === null, then this only applies to + // the first item in the list. + if (child.key === key) { + if ( + child.tag === HostPortal && + child.stateNode.containerInfo === portal.containerInfo && + child.stateNode.implementation === portal.implementation + ) { + deleteRemainingChildren(returnFiber, child.sibling); + var existing = useFiber(child, portal.children || [], expirationTime); + existing["return"] = returnFiber; + return existing; + } else { + deleteRemainingChildren(returnFiber, child); + break; + } + } else { + deleteChild(returnFiber, child); + } + child = child.sibling; + } + + var created = createFiberFromPortal( + portal, + returnFiber.internalContextTag, + expirationTime + ); + created["return"] = returnFiber; + return created; + } + + // This API will tag the children with the side-effect of the reconciliation + // itself. They will be added to the side-effect list as we pass through the + // children and the parent. + function reconcileChildFibers( + returnFiber, + currentFirstChild, + newChild, + expirationTime + ) { + // This function is not recursive. + // If the top level item is an array, we treat it as a set of children, + // not as a fragment. Nested arrays on the other hand will be treated as + // fragment nodes. Recursion happens at the normal flow. + + // Handle top level unkeyed fragments as if they were arrays. + // This leads to an ambiguity between <>{[...]} and <>.... + // We treat the ambiguous cases above the same. + if ( + typeof newChild === "object" && + newChild !== null && + newChild.type === REACT_FRAGMENT_TYPE && + newChild.key === null + ) { + newChild = newChild.props.children; + } + + // Handle object types + var isObject = typeof newChild === "object" && newChild !== null; + + if (isObject) { + switch (newChild.$$typeof) { + case REACT_ELEMENT_TYPE: + return placeSingleChild( + reconcileSingleElement( + returnFiber, + currentFirstChild, + newChild, + expirationTime + ) + ); + case REACT_PORTAL_TYPE: + return placeSingleChild( + reconcileSinglePortal( + returnFiber, + currentFirstChild, + newChild, + expirationTime + ) + ); + } + } + + if (typeof newChild === "string" || typeof newChild === "number") { + return placeSingleChild( + reconcileSingleTextNode( + returnFiber, + currentFirstChild, + "" + newChild, + expirationTime + ) + ); + } + + if (isArray$1(newChild)) { + return reconcileChildrenArray( + returnFiber, + currentFirstChild, + newChild, + expirationTime + ); + } + + if (getIteratorFn(newChild)) { + return reconcileChildrenIterator( + returnFiber, + currentFirstChild, + newChild, + expirationTime + ); + } + + if (isObject) { + throwOnInvalidObjectType(returnFiber, newChild); + } + + { + if (typeof newChild === "function") { + warnOnFunctionType(); + } + } + if (typeof newChild === "undefined") { + // If the new child is undefined, and the return fiber is a composite + // component, throw an error. If Fiber return types are disabled, + // we already threw above. + switch (returnFiber.tag) { + case ClassComponent: { + { + var instance = returnFiber.stateNode; + if (instance.render._isMockFunction) { + // We allow auto-mocks to proceed as if they're returning null. + break; + } + } + } + // Intentionally fall through to the next case, which handles both + // functions and classes + // eslint-disable-next-lined no-fallthrough + case FunctionalComponent: { + var Component = returnFiber.type; + invariant( + false, + "%s(...): Nothing was returned from render. This usually means a " + + "return statement is missing. Or, to render nothing, " + + "return null.", + Component.displayName || Component.name || "Component" + ); + } + } + } + + // Remaining cases are all treated as empty. + return deleteRemainingChildren(returnFiber, currentFirstChild); + } + + return reconcileChildFibers; +} + +var reconcileChildFibers = ChildReconciler(true); +var mountChildFibers = ChildReconciler(false); + +function cloneChildFibers(current, workInProgress) { + invariant( + current === null || workInProgress.child === current.child, + "Resuming work not yet implemented." + ); + + if (workInProgress.child === null) { + return; + } + + var currentChild = workInProgress.child; + var newChild = createWorkInProgress( + currentChild, + currentChild.pendingProps, + currentChild.expirationTime + ); + workInProgress.child = newChild; + + newChild["return"] = workInProgress; + while (currentChild.sibling !== null) { + currentChild = currentChild.sibling; + newChild = newChild.sibling = createWorkInProgress( + currentChild, + currentChild.pendingProps, + currentChild.expirationTime + ); + newChild["return"] = workInProgress; + } + newChild.sibling = null; +} + +var stack = []; +var index$1 = -1; + +var rendererSigil = void 0; +{ + // Use this to detect multiple renderers using the same context + rendererSigil = {}; +} + +function pushProvider(providerFiber) { + index$1 += 1; + stack[index$1] = providerFiber; + var context = providerFiber.type.context; + context.currentValue = providerFiber.pendingProps.value; + context.changedBits = providerFiber.stateNode; + + { + warning( + context._currentRenderer === null || + context._currentRenderer === rendererSigil, + "Detected multiple renderers concurrently rendering the " + + "same context provider. This is currently unsupported." + ); + context._currentRenderer = rendererSigil; + } +} + +function popProvider(providerFiber) { + { + warning( + index$1 > -1 && providerFiber === stack[index$1], + "Unexpected pop." + ); + } + stack[index$1] = null; + index$1 -= 1; + var context = providerFiber.type.context; + if (index$1 < 0) { + context.currentValue = context.defaultValue; + context.changedBits = 0; + } else { + var previousProviderFiber = stack[index$1]; + context.currentValue = previousProviderFiber.pendingProps.value; + context.changedBits = previousProviderFiber.stateNode; + } +} + +function resetProviderStack() { + for (var i = index$1; i > -1; i--) { + var providerFiber = stack[i]; + var context = providerFiber.type.context; + context.currentValue = context.defaultValue; + context.changedBits = 0; + stack[i] = null; + { + context._currentRenderer = null; + } + } +} + +var didWarnAboutBadClass = void 0; +var didWarnAboutGetDerivedStateOnFunctionalComponent = void 0; +var didWarnAboutStatelessRefs = void 0; + +{ + didWarnAboutBadClass = {}; + didWarnAboutGetDerivedStateOnFunctionalComponent = {}; + didWarnAboutStatelessRefs = {}; +} + +var ReactFiberBeginWork = function( + config, + hostContext, + hydrationContext, + scheduleWork, + computeExpirationForFiber +) { + var shouldSetTextContent = config.shouldSetTextContent, + shouldDeprioritizeSubtree = config.shouldDeprioritizeSubtree; + var pushHostContext = hostContext.pushHostContext, + pushHostContainer = hostContext.pushHostContainer; + var enterHydrationState = hydrationContext.enterHydrationState, + resetHydrationState = hydrationContext.resetHydrationState, + tryToClaimNextHydratableInstance = + hydrationContext.tryToClaimNextHydratableInstance; + + var _ReactFiberClassCompo = ReactFiberClassComponent( + scheduleWork, + computeExpirationForFiber, + memoizeProps, + memoizeState + ), + adoptClassInstance = _ReactFiberClassCompo.adoptClassInstance, + callGetDerivedStateFromProps = + _ReactFiberClassCompo.callGetDerivedStateFromProps, + constructClassInstance = _ReactFiberClassCompo.constructClassInstance, + mountClassInstance = _ReactFiberClassCompo.mountClassInstance, + updateClassInstance = _ReactFiberClassCompo.updateClassInstance; + + // TODO: Remove this and use reconcileChildrenAtExpirationTime directly. + + function reconcileChildren(current, workInProgress, nextChildren) { + reconcileChildrenAtExpirationTime( + current, + workInProgress, + nextChildren, + workInProgress.expirationTime + ); + } + + function reconcileChildrenAtExpirationTime( + current, + workInProgress, + nextChildren, + renderExpirationTime + ) { + if (current === null) { + // If this is a fresh new component that hasn't been rendered yet, we + // won't update its child set by applying minimal side-effects. Instead, + // we will add them all to the child before it gets rendered. That means + // we can optimize this reconciliation pass by not tracking side-effects. + workInProgress.child = mountChildFibers( + workInProgress, + null, + nextChildren, + renderExpirationTime + ); + } else { + // If the current child is the same as the work in progress, it means that + // we haven't yet started any work on these children. Therefore, we use + // the clone algorithm to create a copy of all the current children. + + // If we had any progressed work already, that is invalid at this point so + // let's throw it out. + workInProgress.child = reconcileChildFibers( + workInProgress, + current.child, + nextChildren, + renderExpirationTime + ); + } + } + + function updateFragment(current, workInProgress) { + var nextChildren = workInProgress.pendingProps; + if (hasContextChanged()) { + // Normally we can bail out on props equality but if context has changed + // we don't do the bailout and we have to reuse existing props instead. + } else if (workInProgress.memoizedProps === nextChildren) { + return bailoutOnAlreadyFinishedWork(current, workInProgress); + } + reconcileChildren(current, workInProgress, nextChildren); + memoizeProps(workInProgress, nextChildren); + return workInProgress.child; + } + + function updateMode(current, workInProgress) { + var nextChildren = workInProgress.pendingProps.children; + if (hasContextChanged()) { + // Normally we can bail out on props equality but if context has changed + // we don't do the bailout and we have to reuse existing props instead. + } else if ( + nextChildren === null || + workInProgress.memoizedProps === nextChildren + ) { + return bailoutOnAlreadyFinishedWork(current, workInProgress); + } + reconcileChildren(current, workInProgress, nextChildren); + memoizeProps(workInProgress, nextChildren); + return workInProgress.child; + } + + function markRef(current, workInProgress) { + var ref = workInProgress.ref; + if (ref !== null && (!current || current.ref !== ref)) { + // Schedule a Ref effect + workInProgress.effectTag |= Ref; + } + } + + function updateFunctionalComponent(current, workInProgress) { + var fn = workInProgress.type; + var nextProps = workInProgress.pendingProps; + + if (hasContextChanged()) { + // Normally we can bail out on props equality but if context has changed + // we don't do the bailout and we have to reuse existing props instead. + } else { + if (workInProgress.memoizedProps === nextProps) { + return bailoutOnAlreadyFinishedWork(current, workInProgress); + } + // TODO: consider bringing fn.shouldComponentUpdate() back. + // It used to be here. + } + + var unmaskedContext = getUnmaskedContext(workInProgress); + var context = getMaskedContext(workInProgress, unmaskedContext); + + var nextChildren = void 0; + + { + ReactCurrentOwner.current = workInProgress; + ReactDebugCurrentFiber.setCurrentPhase("render"); + nextChildren = fn(nextProps, context); + ReactDebugCurrentFiber.setCurrentPhase(null); + } + // React DevTools reads this flag. + workInProgress.effectTag |= PerformedWork; + reconcileChildren(current, workInProgress, nextChildren); + memoizeProps(workInProgress, nextProps); + return workInProgress.child; + } + + function updateClassComponent(current, workInProgress, renderExpirationTime) { + // Push context providers early to prevent context stack mismatches. + // During mounting we don't know the child context yet as the instance doesn't exist. + // We will invalidate the child context in finishClassComponent() right after rendering. + var hasContext = pushContextProvider(workInProgress); + + var shouldUpdate = void 0; + if (current === null) { + if (!workInProgress.stateNode) { + // In the initial pass we might need to construct the instance. + constructClassInstance(workInProgress, workInProgress.pendingProps); + mountClassInstance(workInProgress, renderExpirationTime); + + shouldUpdate = true; + } else { + invariant(false, "Resuming work not yet implemented."); + // In a resume, we'll already have an instance we can reuse. + // shouldUpdate = resumeMountClassInstance(workInProgress, renderExpirationTime); + } + } else { + shouldUpdate = updateClassInstance( + current, + workInProgress, + renderExpirationTime + ); + } + return finishClassComponent( + current, + workInProgress, + shouldUpdate, + hasContext + ); + } + + function finishClassComponent( + current, + workInProgress, + shouldUpdate, + hasContext + ) { + // Refs should update even if shouldComponentUpdate returns false + markRef(current, workInProgress); + + if (!shouldUpdate) { + // Context providers should defer to sCU for rendering + if (hasContext) { + invalidateContextProvider(workInProgress, false); + } + + return bailoutOnAlreadyFinishedWork(current, workInProgress); + } + + var instance = workInProgress.stateNode; + + // Rerender + ReactCurrentOwner.current = workInProgress; + var nextChildren = void 0; + { + ReactDebugCurrentFiber.setCurrentPhase("render"); + nextChildren = instance.render(); + if ( + debugRenderPhaseSideEffects || + (debugRenderPhaseSideEffectsForStrictMode && + workInProgress.internalContextTag & StrictMode) + ) { + instance.render(); + } + ReactDebugCurrentFiber.setCurrentPhase(null); + } + // React DevTools reads this flag. + workInProgress.effectTag |= PerformedWork; + reconcileChildren(current, workInProgress, nextChildren); + // Memoize props and state using the values we just used to render. + // TODO: Restructure so we never read values from the instance. + memoizeState(workInProgress, instance.state); + memoizeProps(workInProgress, instance.props); + + // The context might have changed so we need to recalculate it. + if (hasContext) { + invalidateContextProvider(workInProgress, true); + } + + return workInProgress.child; + } + + function pushHostRootContext(workInProgress) { + var root = workInProgress.stateNode; + if (root.pendingContext) { + pushTopLevelContextObject( + workInProgress, + root.pendingContext, + root.pendingContext !== root.context + ); + } else if (root.context) { + // Should always be set + pushTopLevelContextObject(workInProgress, root.context, false); + } + pushHostContainer(workInProgress, root.containerInfo); + } + + function updateHostRoot(current, workInProgress, renderExpirationTime) { + pushHostRootContext(workInProgress); + var updateQueue = workInProgress.updateQueue; + if (updateQueue !== null) { + var prevState = workInProgress.memoizedState; + var state = processUpdateQueue( + current, + workInProgress, + updateQueue, + null, + null, + renderExpirationTime + ); + if (prevState === state) { + // If the state is the same as before, that's a bailout because we had + // no work that expires at this time. + resetHydrationState(); + return bailoutOnAlreadyFinishedWork(current, workInProgress); + } + var element = state.element; + var root = workInProgress.stateNode; + if ( + (current === null || current.child === null) && + root.hydrate && + enterHydrationState(workInProgress) + ) { + // If we don't have any current children this might be the first pass. + // We always try to hydrate. If this isn't a hydration pass there won't + // be any children to hydrate which is effectively the same thing as + // not hydrating. + + // This is a bit of a hack. We track the host root as a placement to + // know that we're currently in a mounting state. That way isMounted + // works as expected. We must reset this before committing. + // TODO: Delete this when we delete isMounted and findDOMNode. + workInProgress.effectTag |= Placement; + + // Ensure that children mount into this root without tracking + // side-effects. This ensures that we don't store Placement effects on + // nodes that will be hydrated. + workInProgress.child = mountChildFibers( + workInProgress, + null, + element, + renderExpirationTime + ); + } else { + // Otherwise reset hydration state in case we aborted and resumed another + // root. + resetHydrationState(); + reconcileChildren(current, workInProgress, element); + } + memoizeState(workInProgress, state); + return workInProgress.child; + } + resetHydrationState(); + // If there is no update queue, that's a bailout because the root has no props. + return bailoutOnAlreadyFinishedWork(current, workInProgress); + } + + function updateHostComponent(current, workInProgress, renderExpirationTime) { + pushHostContext(workInProgress); + + if (current === null) { + tryToClaimNextHydratableInstance(workInProgress); + } + + var type = workInProgress.type; + var memoizedProps = workInProgress.memoizedProps; + var nextProps = workInProgress.pendingProps; + var prevProps = current !== null ? current.memoizedProps : null; + + if (hasContextChanged()) { + // Normally we can bail out on props equality but if context has changed + // we don't do the bailout and we have to reuse existing props instead. + } else if (memoizedProps === nextProps) { + return bailoutOnAlreadyFinishedWork(current, workInProgress); + } + + var nextChildren = nextProps.children; + var isDirectTextChild = shouldSetTextContent(type, nextProps); + + if (isDirectTextChild) { + // We special case a direct text child of a host node. This is a common + // case. We won't handle it as a reified child. We will instead handle + // this in the host environment that also have access to this prop. That + // avoids allocating another HostText fiber and traversing it. + nextChildren = null; + } else if (prevProps && shouldSetTextContent(type, prevProps)) { + // If we're switching from a direct text child to a normal child, or to + // empty, we need to schedule the text content to be reset. + workInProgress.effectTag |= ContentReset; + } + + markRef(current, workInProgress); + + // Check the host config to see if the children are offscreen/hidden. + if ( + renderExpirationTime !== Never && + workInProgress.internalContextTag & AsyncUpdates && + shouldDeprioritizeSubtree(type, nextProps) + ) { + // Down-prioritize the children. + workInProgress.expirationTime = Never; + // Bailout and come back to this fiber later. + return null; + } + + reconcileChildren(current, workInProgress, nextChildren); + memoizeProps(workInProgress, nextProps); + return workInProgress.child; + } + + function updateHostText(current, workInProgress) { + if (current === null) { + tryToClaimNextHydratableInstance(workInProgress); + } + var nextProps = workInProgress.pendingProps; + memoizeProps(workInProgress, nextProps); + // Nothing to do here. This is terminal. We'll do the completion step + // immediately after. + return null; + } + + function mountIndeterminateComponent( + current, + workInProgress, + renderExpirationTime + ) { + invariant( + current === null, + "An indeterminate component should never have mounted. This error is " + + "likely caused by a bug in React. Please file an issue." + ); + var fn = workInProgress.type; + var props = workInProgress.pendingProps; + var unmaskedContext = getUnmaskedContext(workInProgress); + var context = getMaskedContext(workInProgress, unmaskedContext); + + var value = void 0; + + { + if (fn.prototype && typeof fn.prototype.render === "function") { + var componentName = getComponentName(workInProgress) || "Unknown"; + + if (!didWarnAboutBadClass[componentName]) { + warning( + false, + "The <%s /> component appears to have a render method, but doesn't extend React.Component. " + + "This is likely to cause errors. Change %s to extend React.Component instead.", + componentName, + componentName + ); + didWarnAboutBadClass[componentName] = true; + } + } + ReactCurrentOwner.current = workInProgress; + value = fn(props, context); + } + // React DevTools reads this flag. + workInProgress.effectTag |= PerformedWork; + + if ( + typeof value === "object" && + value !== null && + typeof value.render === "function" && + value.$$typeof === undefined + ) { + var Component = workInProgress.type; + + // Proceed under the assumption that this is a class instance + workInProgress.tag = ClassComponent; + + workInProgress.memoizedState = + value.state !== null && value.state !== undefined ? value.state : null; + + if (typeof Component.getDerivedStateFromProps === "function") { + var partialState = callGetDerivedStateFromProps( + workInProgress, + value, + props + ); + + if (partialState !== null && partialState !== undefined) { + workInProgress.memoizedState = Object.assign( + {}, + workInProgress.memoizedState, + partialState + ); + } + } + + // Push context providers early to prevent context stack mismatches. + // During mounting we don't know the child context yet as the instance doesn't exist. + // We will invalidate the child context in finishClassComponent() right after rendering. + var hasContext = pushContextProvider(workInProgress); + adoptClassInstance(workInProgress, value); + mountClassInstance(workInProgress, renderExpirationTime); + return finishClassComponent(current, workInProgress, true, hasContext); + } else { + // Proceed under the assumption that this is a functional component + workInProgress.tag = FunctionalComponent; + { + var _Component = workInProgress.type; + + if (_Component) { + warning( + !_Component.childContextTypes, + "%s(...): childContextTypes cannot be defined on a functional component.", + _Component.displayName || _Component.name || "Component" + ); + } + if (workInProgress.ref !== null) { + var info = ""; + var ownerName = ReactDebugCurrentFiber.getCurrentFiberOwnerName(); + if (ownerName) { + info += "\n\nCheck the render method of `" + ownerName + "`."; + } + + var warningKey = ownerName || workInProgress._debugID || ""; + var debugSource = workInProgress._debugSource; + if (debugSource) { + warningKey = debugSource.fileName + ":" + debugSource.lineNumber; + } + if (!didWarnAboutStatelessRefs[warningKey]) { + didWarnAboutStatelessRefs[warningKey] = true; + warning( + false, + "Stateless function components cannot be given refs. " + + "Attempts to access this ref will fail.%s%s", + info, + ReactDebugCurrentFiber.getCurrentFiberStackAddendum() + ); + } + } + + if (typeof fn.getDerivedStateFromProps === "function") { + var _componentName = getComponentName(workInProgress) || "Unknown"; + + if ( + !didWarnAboutGetDerivedStateOnFunctionalComponent[_componentName] + ) { + warning( + false, + "%s: Stateless functional components do not support getDerivedStateFromProps.", + _componentName + ); + didWarnAboutGetDerivedStateOnFunctionalComponent[ + _componentName + ] = true; + } + } + } + reconcileChildren(current, workInProgress, value); + memoizeProps(workInProgress, props); + return workInProgress.child; + } + } + + function updateCallComponent(current, workInProgress, renderExpirationTime) { + var nextProps = workInProgress.pendingProps; + if (hasContextChanged()) { + // Normally we can bail out on props equality but if context has changed + // we don't do the bailout and we have to reuse existing props instead. + } else if (workInProgress.memoizedProps === nextProps) { + nextProps = workInProgress.memoizedProps; + // TODO: When bailing out, we might need to return the stateNode instead + // of the child. To check it for work. + // return bailoutOnAlreadyFinishedWork(current, workInProgress); + } + + var nextChildren = nextProps.children; + + // The following is a fork of reconcileChildrenAtExpirationTime but using + // stateNode to store the child. + if (current === null) { + workInProgress.stateNode = mountChildFibers( + workInProgress, + workInProgress.stateNode, + nextChildren, + renderExpirationTime + ); + } else { + workInProgress.stateNode = reconcileChildFibers( + workInProgress, + current.stateNode, + nextChildren, + renderExpirationTime + ); + } + + memoizeProps(workInProgress, nextProps); + // This doesn't take arbitrary time so we could synchronously just begin + // eagerly do the work of workInProgress.child as an optimization. + return workInProgress.stateNode; + } + + function updatePortalComponent( + current, + workInProgress, + renderExpirationTime + ) { + pushHostContainer(workInProgress, workInProgress.stateNode.containerInfo); + var nextChildren = workInProgress.pendingProps; + if (hasContextChanged()) { + // Normally we can bail out on props equality but if context has changed + // we don't do the bailout and we have to reuse existing props instead. + } else if (workInProgress.memoizedProps === nextChildren) { + return bailoutOnAlreadyFinishedWork(current, workInProgress); + } + + if (current === null) { + // Portals are special because we don't append the children during mount + // but at commit. Therefore we need to track insertions which the normal + // flow doesn't do during mount. This doesn't happen at the root because + // the root always starts with a "current" with a null child. + // TODO: Consider unifying this with how the root works. + workInProgress.child = reconcileChildFibers( + workInProgress, + null, + nextChildren, + renderExpirationTime + ); + memoizeProps(workInProgress, nextChildren); + } else { + reconcileChildren(current, workInProgress, nextChildren); + memoizeProps(workInProgress, nextChildren); + } + return workInProgress.child; + } + + function propagateContextChange( + workInProgress, + context, + changedBits, + renderExpirationTime + ) { + if (enableNewContextAPI) { + var _fiber = workInProgress.child; + while (_fiber !== null) { + var nextFiber = void 0; + // Visit this fiber. + switch (_fiber.tag) { + case ContextConsumer: + // Check if the context matches. + var observedBits = _fiber.stateNode | 0; + if (_fiber.type === context && (observedBits & changedBits) !== 0) { + // Update the expiration time of all the ancestors, including + // the alternates. + var node = _fiber; + while (node !== null) { + var alternate = node.alternate; + if ( + node.expirationTime === NoWork || + node.expirationTime > renderExpirationTime + ) { + node.expirationTime = renderExpirationTime; + if ( + alternate !== null && + (alternate.expirationTime === NoWork || + alternate.expirationTime > renderExpirationTime) + ) { + alternate.expirationTime = renderExpirationTime; + } + } else if ( + alternate !== null && + (alternate.expirationTime === NoWork || + alternate.expirationTime > renderExpirationTime) + ) { + alternate.expirationTime = renderExpirationTime; + } else { + // Neither alternate was updated, which means the rest of the + // ancestor path already has sufficient priority. + break; + } + node = node["return"]; + } + // Don't scan deeper than a matching consumer. When we render the + // consumer, we'll continue scanning from that point. This way the + // scanning work is time-sliced. + nextFiber = null; + } else { + // Traverse down. + nextFiber = _fiber.child; + } + break; + case ContextProvider: + // Don't scan deeper if this is a matching provider + nextFiber = + _fiber.type === workInProgress.type ? null : _fiber.child; + break; + default: + // Traverse down. + nextFiber = _fiber.child; + break; + } + if (nextFiber !== null) { + // Set the return pointer of the child to the work-in-progress fiber. + nextFiber["return"] = _fiber; + } else { + // No child. Traverse to next sibling. + nextFiber = _fiber; + while (nextFiber !== null) { + if (nextFiber === workInProgress) { + // We're back to the root of this subtree. Exit. + nextFiber = null; + break; + } + var sibling = nextFiber.sibling; + if (sibling !== null) { + nextFiber = sibling; + break; + } + // No more siblings. Traverse up. + nextFiber = nextFiber["return"]; + } + } + _fiber = nextFiber; + } + } + } + + function updateContextProvider( + current, + workInProgress, + renderExpirationTime + ) { + if (enableNewContextAPI) { + var providerType = workInProgress.type; + var context = providerType.context; + + var newProps = workInProgress.pendingProps; + var oldProps = workInProgress.memoizedProps; + + if (hasContextChanged()) { + // Normally we can bail out on props equality but if context has changed + // we don't do the bailout and we have to reuse existing props instead. + } else if (oldProps === newProps) { + workInProgress.stateNode = 0; + pushProvider(workInProgress); + return bailoutOnAlreadyFinishedWork(current, workInProgress); + } + workInProgress.memoizedProps = newProps; + + var newValue = newProps.value; + + var changedBits = void 0; + if (oldProps === null) { + // Initial render + changedBits = MAX_SIGNED_31_BIT_INT; + } else { + var oldValue = oldProps.value; + // Use Object.is to compare the new context value to the old value. + // Inlined Object.is polyfill. + // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is + if ( + (oldValue === newValue && + (oldValue !== 0 || 1 / oldValue === 1 / newValue)) || + (oldValue !== oldValue && newValue !== newValue) // eslint-disable-line no-self-compare + ) { + // No change. + changedBits = 0; + } else { + changedBits = + context.calculateChangedBits !== null + ? context.calculateChangedBits(oldValue, newValue) + : MAX_SIGNED_31_BIT_INT; + { + warning( + (changedBits & MAX_SIGNED_31_BIT_INT) === changedBits, + "calculateChangedBits: Expected the return value to be a " + + "31-bit integer. Instead received: %s", + changedBits + ); + } + changedBits |= 0; + + if (changedBits !== 0) { + propagateContextChange( + workInProgress, + context, + changedBits, + renderExpirationTime + ); + } + } + } + + workInProgress.stateNode = changedBits; + pushProvider(workInProgress); + + if (oldProps !== null && oldProps.children === newProps.children) { + return bailoutOnAlreadyFinishedWork(current, workInProgress); + } + var newChildren = newProps.children; + reconcileChildren(current, workInProgress, newChildren); + return workInProgress.child; + } else { + return null; + } + } + + function updateContextConsumer( + current, + workInProgress, + renderExpirationTime + ) { + if (enableNewContextAPI) { + var context = workInProgress.type; + var newProps = workInProgress.pendingProps; + + var newValue = context.currentValue; + var changedBits = context.changedBits; + + if (changedBits !== 0) { + // Context change propagation stops at matching consumers, for time- + // slicing. Continue the propagation here. + propagateContextChange( + workInProgress, + context, + changedBits, + renderExpirationTime + ); + } + + // Store the observedBits on the fiber's stateNode for quick access. + var observedBits = newProps.observedBits; + if (observedBits === undefined || observedBits === null) { + // Subscribe to all changes by default + observedBits = MAX_SIGNED_31_BIT_INT; + } + workInProgress.stateNode = observedBits; + + var newChildren = newProps.render(newValue); + reconcileChildren(current, workInProgress, newChildren); + return workInProgress.child; + } else { + return null; + } + } + + /* + function reuseChildrenEffects(returnFiber : Fiber, firstChild : Fiber) { + let child = firstChild; + do { + // Ensure that the first and last effect of the parent corresponds + // to the children's first and last effect. + if (!returnFiber.firstEffect) { + returnFiber.firstEffect = child.firstEffect; + } + if (child.lastEffect) { + if (returnFiber.lastEffect) { + returnFiber.lastEffect.nextEffect = child.firstEffect; + } + returnFiber.lastEffect = child.lastEffect; + } + } while (child = child.sibling); + } + */ + + function bailoutOnAlreadyFinishedWork(current, workInProgress) { + cancelWorkTimer(workInProgress); + + // TODO: We should ideally be able to bail out early if the children have no + // more work to do. However, since we don't have a separation of this + // Fiber's priority and its children yet - we don't know without doing lots + // of the same work we do anyway. Once we have that separation we can just + // bail out here if the children has no more work at this priority level. + // if (workInProgress.priorityOfChildren <= priorityLevel) { + // // If there are side-effects in these children that have not yet been + // // committed we need to ensure that they get properly transferred up. + // if (current && current.child !== workInProgress.child) { + // reuseChildrenEffects(workInProgress, child); + // } + // return null; + // } + + cloneChildFibers(current, workInProgress); + return workInProgress.child; + } + + function bailoutOnLowPriority(current, workInProgress) { + cancelWorkTimer(workInProgress); + + // TODO: Handle HostComponent tags here as well and call pushHostContext()? + // See PR 8590 discussion for context + switch (workInProgress.tag) { + case HostRoot: + pushHostRootContext(workInProgress); + break; + case ClassComponent: + pushContextProvider(workInProgress); + break; + case HostPortal: + pushHostContainer( + workInProgress, + workInProgress.stateNode.containerInfo + ); + break; + case ContextProvider: + pushProvider(workInProgress); + break; + } + // TODO: What if this is currently in progress? + // How can that happen? How is this not being cloned? + return null; + } + + // TODO: Delete memoizeProps/State and move to reconcile/bailout instead + function memoizeProps(workInProgress, nextProps) { + workInProgress.memoizedProps = nextProps; + } + + function memoizeState(workInProgress, nextState) { + workInProgress.memoizedState = nextState; + // Don't reset the updateQueue, in case there are pending updates. Resetting + // is handled by processUpdateQueue. + } + + function beginWork(current, workInProgress, renderExpirationTime) { + if ( + workInProgress.expirationTime === NoWork || + workInProgress.expirationTime > renderExpirationTime + ) { + return bailoutOnLowPriority(current, workInProgress); + } + + switch (workInProgress.tag) { + case IndeterminateComponent: + return mountIndeterminateComponent( + current, + workInProgress, + renderExpirationTime + ); + case FunctionalComponent: + return updateFunctionalComponent(current, workInProgress); + case ClassComponent: + return updateClassComponent( + current, + workInProgress, + renderExpirationTime + ); + case HostRoot: + return updateHostRoot(current, workInProgress, renderExpirationTime); + case HostComponent: + return updateHostComponent( + current, + workInProgress, + renderExpirationTime + ); + case HostText: + return updateHostText(current, workInProgress); + case CallHandlerPhase: + // This is a restart. Reset the tag to the initial phase. + workInProgress.tag = CallComponent; + // Intentionally fall through since this is now the same. + case CallComponent: + return updateCallComponent( + current, + workInProgress, + renderExpirationTime + ); + case ReturnComponent: + // A return component is just a placeholder, we can just run through the + // next one immediately. + return null; + case HostPortal: + return updatePortalComponent( + current, + workInProgress, + renderExpirationTime + ); + case Fragment: + return updateFragment(current, workInProgress); + case Mode: + return updateMode(current, workInProgress); + case ContextProvider: + return updateContextProvider( + current, + workInProgress, + renderExpirationTime + ); + case ContextConsumer: + return updateContextConsumer( + current, + workInProgress, + renderExpirationTime + ); + default: + invariant( + false, + "Unknown unit of work tag. This error is likely caused by a bug in " + + "React. Please file an issue." + ); + } + } + + function beginFailedWork(current, workInProgress, renderExpirationTime) { + // Push context providers here to avoid a push/pop context mismatch. + switch (workInProgress.tag) { + case ClassComponent: + pushContextProvider(workInProgress); + break; + case HostRoot: + pushHostRootContext(workInProgress); + break; + default: + invariant( + false, + "Invalid type of work. This error is likely caused by a bug in React. " + + "Please file an issue." + ); + } + + // Add an error effect so we can handle the error during the commit phase + workInProgress.effectTag |= Err; + + // This is a weird case where we do "resume" work — work that failed on + // our first attempt. Because we no longer have a notion of "progressed + // deletions," reset the child to the current child to make sure we delete + // it again. TODO: Find a better way to handle this, perhaps during a more + // general overhaul of error handling. + if (current === null) { + workInProgress.child = null; + } else if (workInProgress.child !== current.child) { + workInProgress.child = current.child; + } + + if ( + workInProgress.expirationTime === NoWork || + workInProgress.expirationTime > renderExpirationTime + ) { + return bailoutOnLowPriority(current, workInProgress); + } + + // If we don't bail out, we're going be recomputing our children so we need + // to drop our effect list. + workInProgress.firstEffect = null; + workInProgress.lastEffect = null; + + // Unmount the current children as if the component rendered null + var nextChildren = null; + reconcileChildrenAtExpirationTime( + current, + workInProgress, + nextChildren, + renderExpirationTime + ); + + if (workInProgress.tag === ClassComponent) { + var instance = workInProgress.stateNode; + workInProgress.memoizedProps = instance.props; + workInProgress.memoizedState = instance.state; + } + + return workInProgress.child; + } + + return { + beginWork: beginWork, + beginFailedWork: beginFailedWork + }; +}; + +var ReactFiberCompleteWork = function(config, hostContext, hydrationContext) { + var createInstance = config.createInstance, + createTextInstance = config.createTextInstance, + appendInitialChild = config.appendInitialChild, + finalizeInitialChildren = config.finalizeInitialChildren, + prepareUpdate = config.prepareUpdate, + mutation = config.mutation, + persistence = config.persistence; + var getRootHostContainer = hostContext.getRootHostContainer, + popHostContext = hostContext.popHostContext, + getHostContext = hostContext.getHostContext, + popHostContainer = hostContext.popHostContainer; + var prepareToHydrateHostInstance = + hydrationContext.prepareToHydrateHostInstance, + prepareToHydrateHostTextInstance = + hydrationContext.prepareToHydrateHostTextInstance, + popHydrationState = hydrationContext.popHydrationState; + + function markUpdate(workInProgress) { + // Tag the fiber with an update effect. This turns a Placement into + // an UpdateAndPlacement. + workInProgress.effectTag |= Update; + } + + function markRef(workInProgress) { + workInProgress.effectTag |= Ref; + } + + function appendAllReturns(returns, workInProgress) { + var node = workInProgress.stateNode; + if (node) { + node["return"] = workInProgress; + } + while (node !== null) { + if ( + node.tag === HostComponent || + node.tag === HostText || + node.tag === HostPortal + ) { + invariant(false, "A call cannot have host component children."); + } else if (node.tag === ReturnComponent) { + returns.push(node.pendingProps.value); + } else if (node.child !== null) { + node.child["return"] = node; + node = node.child; + continue; + } + while (node.sibling === null) { + if (node["return"] === null || node["return"] === workInProgress) { + return; + } + node = node["return"]; + } + node.sibling["return"] = node["return"]; + node = node.sibling; + } + } + + function moveCallToHandlerPhase( + current, + workInProgress, + renderExpirationTime + ) { + var props = workInProgress.memoizedProps; + invariant( + props, + "Should be resolved by now. This error is likely caused by a bug in " + + "React. Please file an issue." + ); + + // First step of the call has completed. Now we need to do the second. + // TODO: It would be nice to have a multi stage call represented by a + // single component, or at least tail call optimize nested ones. Currently + // that requires additional fields that we don't want to add to the fiber. + // So this requires nested handlers. + // Note: This doesn't mutate the alternate node. I don't think it needs to + // since this stage is reset for every pass. + workInProgress.tag = CallHandlerPhase; + + // Build up the returns. + // TODO: Compare this to a generator or opaque helpers like Children. + var returns = []; + appendAllReturns(returns, workInProgress); + var fn = props.handler; + var childProps = props.props; + var nextChildren = fn(childProps, returns); + + var currentFirstChild = current !== null ? current.child : null; + workInProgress.child = reconcileChildFibers( + workInProgress, + currentFirstChild, + nextChildren, + renderExpirationTime + ); + return workInProgress.child; + } + + function appendAllChildren(parent, workInProgress) { + // We only have the top Fiber that was created but we need recurse down its + // children to find all the terminal nodes. + var node = workInProgress.child; + while (node !== null) { + if (node.tag === HostComponent || node.tag === HostText) { + appendInitialChild(parent, node.stateNode); + } else if (node.tag === HostPortal) { + // If we have a portal child, then we don't want to traverse + // down its children. Instead, we'll get insertions from each child in + // the portal directly. + } else if (node.child !== null) { + node.child["return"] = node; + node = node.child; + continue; + } + if (node === workInProgress) { + return; + } + while (node.sibling === null) { + if (node["return"] === null || node["return"] === workInProgress) { + return; + } + node = node["return"]; + } + node.sibling["return"] = node["return"]; + node = node.sibling; + } + } + + var updateHostContainer = void 0; + var updateHostComponent = void 0; + var updateHostText = void 0; + if (mutation) { + if (enableMutatingReconciler) { + // Mutation mode + updateHostContainer = function(workInProgress) { + // Noop + }; + updateHostComponent = function( + current, + workInProgress, + updatePayload, + type, + oldProps, + newProps, + rootContainerInstance, + currentHostContext + ) { + // TODO: Type this specific to this type of component. + workInProgress.updateQueue = updatePayload; + // If the update payload indicates that there is a change or if there + // is a new ref we mark this as an update. All the work is done in commitWork. + if (updatePayload) { + markUpdate(workInProgress); + } + }; + updateHostText = function(current, workInProgress, oldText, newText) { + // If the text differs, mark it as an update. All the work in done in commitWork. + if (oldText !== newText) { + markUpdate(workInProgress); + } + }; + } else { + invariant(false, "Mutating reconciler is disabled."); + } + } else if (persistence) { + if (enablePersistentReconciler) { + // Persistent host tree mode + var cloneInstance = persistence.cloneInstance, + createContainerChildSet = persistence.createContainerChildSet, + appendChildToContainerChildSet = + persistence.appendChildToContainerChildSet, + finalizeContainerChildren = persistence.finalizeContainerChildren; + + // An unfortunate fork of appendAllChildren because we have two different parent types. + + var appendAllChildrenToContainer = function( + containerChildSet, + workInProgress + ) { + // We only have the top Fiber that was created but we need recurse down its + // children to find all the terminal nodes. + var node = workInProgress.child; + while (node !== null) { + if (node.tag === HostComponent || node.tag === HostText) { + appendChildToContainerChildSet(containerChildSet, node.stateNode); + } else if (node.tag === HostPortal) { + // If we have a portal child, then we don't want to traverse + // down its children. Instead, we'll get insertions from each child in + // the portal directly. + } else if (node.child !== null) { + node.child["return"] = node; + node = node.child; + continue; + } + if (node === workInProgress) { + return; + } + while (node.sibling === null) { + if (node["return"] === null || node["return"] === workInProgress) { + return; + } + node = node["return"]; + } + node.sibling["return"] = node["return"]; + node = node.sibling; + } + }; + updateHostContainer = function(workInProgress) { + var portalOrRoot = workInProgress.stateNode; + var childrenUnchanged = workInProgress.firstEffect === null; + if (childrenUnchanged) { + // No changes, just reuse the existing instance. + } else { + var container = portalOrRoot.containerInfo; + var newChildSet = createContainerChildSet(container); + if (finalizeContainerChildren(container, newChildSet)) { + markUpdate(workInProgress); + } + portalOrRoot.pendingChildren = newChildSet; + // If children might have changed, we have to add them all to the set. + appendAllChildrenToContainer(newChildSet, workInProgress); + // Schedule an update on the container to swap out the container. + markUpdate(workInProgress); + } + }; + updateHostComponent = function( + current, + workInProgress, + updatePayload, + type, + oldProps, + newProps, + rootContainerInstance, + currentHostContext + ) { + // If there are no effects associated with this node, then none of our children had any updates. + // This guarantees that we can reuse all of them. + var childrenUnchanged = workInProgress.firstEffect === null; + var currentInstance = current.stateNode; + if (childrenUnchanged && updatePayload === null) { + // No changes, just reuse the existing instance. + // Note that this might release a previous clone. + workInProgress.stateNode = currentInstance; + } else { + var recyclableInstance = workInProgress.stateNode; + var newInstance = cloneInstance( + currentInstance, + updatePayload, + type, + oldProps, + newProps, + workInProgress, + childrenUnchanged, + recyclableInstance + ); + if ( + finalizeInitialChildren( + newInstance, + type, + newProps, + rootContainerInstance, + currentHostContext + ) + ) { + markUpdate(workInProgress); + } + workInProgress.stateNode = newInstance; + if (childrenUnchanged) { + // If there are no other effects in this tree, we need to flag this node as having one. + // Even though we're not going to use it for anything. + // Otherwise parents won't know that there are new children to propagate upwards. + markUpdate(workInProgress); + } else { + // If children might have changed, we have to add them all to the set. + appendAllChildren(newInstance, workInProgress); + } + } + }; + updateHostText = function(current, workInProgress, oldText, newText) { + if (oldText !== newText) { + // If the text content differs, we'll create a new text instance for it. + var rootContainerInstance = getRootHostContainer(); + var currentHostContext = getHostContext(); + workInProgress.stateNode = createTextInstance( + newText, + rootContainerInstance, + currentHostContext, + workInProgress + ); + // We'll have to mark it as having an effect, even though we won't use the effect for anything. + // This lets the parents know that at least one of their children has changed. + markUpdate(workInProgress); + } + }; + } else { + invariant(false, "Persistent reconciler is disabled."); + } + } else { + if (enableNoopReconciler) { + // No host operations + updateHostContainer = function(workInProgress) { + // Noop + }; + updateHostComponent = function( + current, + workInProgress, + updatePayload, + type, + oldProps, + newProps, + rootContainerInstance, + currentHostContext + ) { + // Noop + }; + updateHostText = function(current, workInProgress, oldText, newText) { + // Noop + }; + } else { + invariant(false, "Noop reconciler is disabled."); + } + } + + function completeWork(current, workInProgress, renderExpirationTime) { + var newProps = workInProgress.pendingProps; + switch (workInProgress.tag) { + case FunctionalComponent: + return null; + case ClassComponent: { + // We are leaving this subtree, so pop context if any. + popContextProvider(workInProgress); + return null; + } + case HostRoot: { + popHostContainer(workInProgress); + popTopLevelContextObject(workInProgress); + var fiberRoot = workInProgress.stateNode; + if (fiberRoot.pendingContext) { + fiberRoot.context = fiberRoot.pendingContext; + fiberRoot.pendingContext = null; + } + + if (current === null || current.child === null) { + // If we hydrated, pop so that we can delete any remaining children + // that weren't hydrated. + popHydrationState(workInProgress); + // This resets the hacky state to fix isMounted before committing. + // TODO: Delete this when we delete isMounted and findDOMNode. + workInProgress.effectTag &= ~Placement; + } + updateHostContainer(workInProgress); + return null; + } + case HostComponent: { + popHostContext(workInProgress); + var rootContainerInstance = getRootHostContainer(); + var type = workInProgress.type; + if (current !== null && workInProgress.stateNode != null) { + // If we have an alternate, that means this is an update and we need to + // schedule a side-effect to do the updates. + var oldProps = current.memoizedProps; + // If we get updated because one of our children updated, we don't + // have newProps so we'll have to reuse them. + // TODO: Split the update API as separate for the props vs. children. + // Even better would be if children weren't special cased at all tho. + var instance = workInProgress.stateNode; + var currentHostContext = getHostContext(); + var updatePayload = prepareUpdate( + instance, + type, + oldProps, + newProps, + rootContainerInstance, + currentHostContext + ); + + updateHostComponent( + current, + workInProgress, + updatePayload, + type, + oldProps, + newProps, + rootContainerInstance, + currentHostContext + ); + + if (current.ref !== workInProgress.ref) { + markRef(workInProgress); + } + } else { + if (!newProps) { + invariant( + workInProgress.stateNode !== null, + "We must have new props for new mounts. This error is likely " + + "caused by a bug in React. Please file an issue." + ); + // This can happen when we abort work. + return null; + } + + var _currentHostContext = getHostContext(); + // TODO: Move createInstance to beginWork and keep it on a context + // "stack" as the parent. Then append children as we go in beginWork + // or completeWork depending on we want to add then top->down or + // bottom->up. Top->down is faster in IE11. + var wasHydrated = popHydrationState(workInProgress); + if (wasHydrated) { + // TODO: Move this and createInstance step into the beginPhase + // to consolidate. + if ( + prepareToHydrateHostInstance( + workInProgress, + rootContainerInstance, + _currentHostContext + ) + ) { + // If changes to the hydrated node needs to be applied at the + // commit-phase we mark this as such. + markUpdate(workInProgress); + } + } else { + var _instance = createInstance( + type, + newProps, + rootContainerInstance, + _currentHostContext, + workInProgress + ); + + appendAllChildren(_instance, workInProgress); + + // Certain renderers require commit-time effects for initial mount. + // (eg DOM renderer supports auto-focus for certain elements). + // Make sure such renderers get scheduled for later work. + if ( + finalizeInitialChildren( + _instance, + type, + newProps, + rootContainerInstance, + _currentHostContext + ) + ) { + markUpdate(workInProgress); + } + workInProgress.stateNode = _instance; + } + + if (workInProgress.ref !== null) { + // If there is a ref on a host node we need to schedule a callback + markRef(workInProgress); + } + } + return null; + } + case HostText: { + var newText = newProps; + if (current && workInProgress.stateNode != null) { + var oldText = current.memoizedProps; + // If we have an alternate, that means this is an update and we need + // to schedule a side-effect to do the updates. + updateHostText(current, workInProgress, oldText, newText); + } else { + if (typeof newText !== "string") { + invariant( + workInProgress.stateNode !== null, + "We must have new props for new mounts. This error is likely " + + "caused by a bug in React. Please file an issue." + ); + // This can happen when we abort work. + return null; + } + var _rootContainerInstance = getRootHostContainer(); + var _currentHostContext2 = getHostContext(); + var _wasHydrated = popHydrationState(workInProgress); + if (_wasHydrated) { + if (prepareToHydrateHostTextInstance(workInProgress)) { + markUpdate(workInProgress); + } + } else { + workInProgress.stateNode = createTextInstance( + newText, + _rootContainerInstance, + _currentHostContext2, + workInProgress + ); + } + } + return null; + } + case CallComponent: + return moveCallToHandlerPhase( + current, + workInProgress, + renderExpirationTime + ); + case CallHandlerPhase: + // Reset the tag to now be a first phase call. + workInProgress.tag = CallComponent; + return null; + case ReturnComponent: + // Does nothing. + return null; + case Fragment: + return null; + case Mode: + return null; + case HostPortal: + popHostContainer(workInProgress); + updateHostContainer(workInProgress); + return null; + case ContextProvider: + // Pop provider fiber + popProvider(workInProgress); + return null; + case ContextConsumer: + return null; + // Error cases + case IndeterminateComponent: + invariant( + false, + "An indeterminate component should have become determinate before " + + "completing. This error is likely caused by a bug in React. Please " + + "file an issue." + ); + // eslint-disable-next-line no-fallthrough + default: + invariant( + false, + "Unknown unit of work tag. This error is likely caused by a bug in " + + "React. Please file an issue." + ); + } + } + + return { + completeWork: completeWork + }; +}; + +var invokeGuardedCallback$3 = ReactErrorUtils.invokeGuardedCallback; +var hasCaughtError$1 = ReactErrorUtils.hasCaughtError; +var clearCaughtError$1 = ReactErrorUtils.clearCaughtError; + +var ReactFiberCommitWork = function(config, captureError) { + var getPublicInstance = config.getPublicInstance, + mutation = config.mutation, + persistence = config.persistence; + + var callComponentWillUnmountWithTimer = function(current, instance) { + startPhaseTimer(current, "componentWillUnmount"); + instance.props = current.memoizedProps; + instance.state = current.memoizedState; + instance.componentWillUnmount(); + stopPhaseTimer(); + }; + + // Capture errors so they don't interrupt unmounting. + function safelyCallComponentWillUnmount(current, instance) { + { + invokeGuardedCallback$3( + null, + callComponentWillUnmountWithTimer, + null, + current, + instance + ); + if (hasCaughtError$1()) { + var unmountError = clearCaughtError$1(); + captureError(current, unmountError); + } + } + } + + function safelyDetachRef(current) { + var ref = current.ref; + if (ref !== null) { + { + invokeGuardedCallback$3(null, ref, null, null); + if (hasCaughtError$1()) { + var refError = clearCaughtError$1(); + captureError(current, refError); + } + } + } + } + + function commitLifeCycles(current, finishedWork) { + switch (finishedWork.tag) { + case ClassComponent: { + var instance = finishedWork.stateNode; + if (finishedWork.effectTag & Update) { + if (current === null) { + startPhaseTimer(finishedWork, "componentDidMount"); + instance.props = finishedWork.memoizedProps; + instance.state = finishedWork.memoizedState; + instance.componentDidMount(); + stopPhaseTimer(); + } else { + var prevProps = current.memoizedProps; + var prevState = current.memoizedState; + startPhaseTimer(finishedWork, "componentDidUpdate"); + instance.props = finishedWork.memoizedProps; + instance.state = finishedWork.memoizedState; + instance.componentDidUpdate(prevProps, prevState); + stopPhaseTimer(); + } + } + var updateQueue = finishedWork.updateQueue; + if (updateQueue !== null) { + commitCallbacks(updateQueue, instance); + } + return; + } + case HostRoot: { + var _updateQueue = finishedWork.updateQueue; + if (_updateQueue !== null) { + var _instance = null; + if (finishedWork.child !== null) { + switch (finishedWork.child.tag) { + case HostComponent: + _instance = getPublicInstance(finishedWork.child.stateNode); + break; + case ClassComponent: + _instance = finishedWork.child.stateNode; + break; + } + } + commitCallbacks(_updateQueue, _instance); + } + return; + } + case HostComponent: { + var _instance2 = finishedWork.stateNode; + + // Renderers may schedule work to be done after host components are mounted + // (eg DOM renderer may schedule auto-focus for inputs and form controls). + // These effects should only be committed when components are first mounted, + // aka when there is no current/alternate. + if (current === null && finishedWork.effectTag & Update) { + var type = finishedWork.type; + var props = finishedWork.memoizedProps; + commitMount(_instance2, type, props, finishedWork); + } + + return; + } + case HostText: { + // We have no life-cycles associated with text. + return; + } + case HostPortal: { + // We have no life-cycles associated with portals. + return; + } + default: { + invariant( + false, + "This unit of work tag should not have side-effects. This error is " + + "likely caused by a bug in React. Please file an issue." + ); + } + } + } + + function commitAttachRef(finishedWork) { + var ref = finishedWork.ref; + if (ref !== null) { + var instance = finishedWork.stateNode; + switch (finishedWork.tag) { + case HostComponent: + ref(getPublicInstance(instance)); + break; + default: + ref(instance); + } + } + } + + function commitDetachRef(current) { + var currentRef = current.ref; + if (currentRef !== null) { + currentRef(null); + } + } + + // User-originating errors (lifecycles and refs) should not interrupt + // deletion, so don't let them throw. Host-originating errors should + // interrupt deletion, so it's okay + function commitUnmount(current) { + if (typeof onCommitUnmount === "function") { + onCommitUnmount(current); + } + + switch (current.tag) { + case ClassComponent: { + safelyDetachRef(current); + var instance = current.stateNode; + if (typeof instance.componentWillUnmount === "function") { + safelyCallComponentWillUnmount(current, instance); + } + return; + } + case HostComponent: { + safelyDetachRef(current); + return; + } + case CallComponent: { + commitNestedUnmounts(current.stateNode); + return; + } + case HostPortal: { + // TODO: this is recursive. + // We are also not using this parent because + // the portal will get pushed immediately. + if (enableMutatingReconciler && mutation) { + unmountHostComponents(current); + } else if (enablePersistentReconciler && persistence) { + emptyPortalContainer(current); + } + return; + } + } + } + + function commitNestedUnmounts(root) { + // While we're inside a removed host node we don't want to call + // removeChild on the inner nodes because they're removed by the top + // call anyway. We also want to call componentWillUnmount on all + // composites before this host node is removed from the tree. Therefore + var node = root; + while (true) { + commitUnmount(node); + // Visit children because they may contain more composite or host nodes. + // Skip portals because commitUnmount() currently visits them recursively. + if ( + node.child !== null && + // If we use mutation we drill down into portals using commitUnmount above. + // If we don't use mutation we drill down into portals here instead. + (!mutation || node.tag !== HostPortal) + ) { + node.child["return"] = node; + node = node.child; + continue; + } + if (node === root) { + return; + } + while (node.sibling === null) { + if (node["return"] === null || node["return"] === root) { + return; + } + node = node["return"]; + } + node.sibling["return"] = node["return"]; + node = node.sibling; + } + } + + function detachFiber(current) { + // Cut off the return pointers to disconnect it from the tree. Ideally, we + // should clear the child pointer of the parent alternate to let this + // get GC:ed but we don't know which for sure which parent is the current + // one so we'll settle for GC:ing the subtree of this child. This child + // itself will be GC:ed when the parent updates the next time. + current["return"] = null; + current.child = null; + if (current.alternate) { + current.alternate.child = null; + current.alternate["return"] = null; + } + } + + var emptyPortalContainer = void 0; + + if (!mutation) { + var commitContainer = void 0; + if (persistence) { + var replaceContainerChildren = persistence.replaceContainerChildren, + createContainerChildSet = persistence.createContainerChildSet; + + emptyPortalContainer = function(current) { + var portal = current.stateNode; + var containerInfo = portal.containerInfo; + + var emptyChildSet = createContainerChildSet(containerInfo); + replaceContainerChildren(containerInfo, emptyChildSet); + }; + commitContainer = function(finishedWork) { + switch (finishedWork.tag) { + case ClassComponent: { + return; + } + case HostComponent: { + return; + } + case HostText: { + return; + } + case HostRoot: + case HostPortal: { + var portalOrRoot = finishedWork.stateNode; + var containerInfo = portalOrRoot.containerInfo, + _pendingChildren = portalOrRoot.pendingChildren; + + replaceContainerChildren(containerInfo, _pendingChildren); + return; + } + default: { + invariant( + false, + "This unit of work tag should not have side-effects. This error is " + + "likely caused by a bug in React. Please file an issue." + ); + } + } + }; + } else { + commitContainer = function(finishedWork) { + // Noop + }; + } + if (enablePersistentReconciler || enableNoopReconciler) { + return { + commitResetTextContent: function(finishedWork) {}, + commitPlacement: function(finishedWork) {}, + commitDeletion: function(current) { + // Detach refs and call componentWillUnmount() on the whole subtree. + commitNestedUnmounts(current); + detachFiber(current); + }, + commitWork: function(current, finishedWork) { + commitContainer(finishedWork); + }, + + commitLifeCycles: commitLifeCycles, + commitAttachRef: commitAttachRef, + commitDetachRef: commitDetachRef + }; + } else if (persistence) { + invariant(false, "Persistent reconciler is disabled."); + } else { + invariant(false, "Noop reconciler is disabled."); + } + } + var commitMount = mutation.commitMount, + commitUpdate = mutation.commitUpdate, + resetTextContent = mutation.resetTextContent, + commitTextUpdate = mutation.commitTextUpdate, + appendChild = mutation.appendChild, + appendChildToContainer = mutation.appendChildToContainer, + insertBefore = mutation.insertBefore, + insertInContainerBefore = mutation.insertInContainerBefore, + removeChild = mutation.removeChild, + removeChildFromContainer = mutation.removeChildFromContainer; + + function getHostParentFiber(fiber) { + var parent = fiber["return"]; + while (parent !== null) { + if (isHostParent(parent)) { + return parent; + } + parent = parent["return"]; + } + invariant( + false, + "Expected to find a host parent. This error is likely caused by a bug " + + "in React. Please file an issue." + ); + } + + function isHostParent(fiber) { + return ( + fiber.tag === HostComponent || + fiber.tag === HostRoot || + fiber.tag === HostPortal + ); + } + + function getHostSibling(fiber) { + // We're going to search forward into the tree until we find a sibling host + // node. Unfortunately, if multiple insertions are done in a row we have to + // search past them. This leads to exponential search for the next sibling. + var node = fiber; + siblings: while (true) { + // If we didn't find anything, let's try the next sibling. + while (node.sibling === null) { + if (node["return"] === null || isHostParent(node["return"])) { + // If we pop out of the root or hit the parent the fiber we are the + // last sibling. + return null; + } + node = node["return"]; + } + node.sibling["return"] = node["return"]; + node = node.sibling; + while (node.tag !== HostComponent && node.tag !== HostText) { + // If it is not host node and, we might have a host node inside it. + // Try to search down until we find one. + if (node.effectTag & Placement) { + // If we don't have a child, try the siblings instead. + continue siblings; + } + // If we don't have a child, try the siblings instead. + // We also skip portals because they are not part of this host tree. + if (node.child === null || node.tag === HostPortal) { + continue siblings; + } else { + node.child["return"] = node; + node = node.child; + } + } + // Check if this host node is stable or about to be placed. + if (!(node.effectTag & Placement)) { + // Found it! + return node.stateNode; + } + } + } + + function commitPlacement(finishedWork) { + // Recursively insert all host nodes into the parent. + var parentFiber = getHostParentFiber(finishedWork); + var parent = void 0; + var isContainer = void 0; + switch (parentFiber.tag) { + case HostComponent: + parent = parentFiber.stateNode; + isContainer = false; + break; + case HostRoot: + parent = parentFiber.stateNode.containerInfo; + isContainer = true; + break; + case HostPortal: + parent = parentFiber.stateNode.containerInfo; + isContainer = true; + break; + default: + invariant( + false, + "Invalid host parent fiber. This error is likely caused by a bug " + + "in React. Please file an issue." + ); + } + if (parentFiber.effectTag & ContentReset) { + // Reset the text content of the parent before doing any insertions + resetTextContent(parent); + // Clear ContentReset from the effect tag + parentFiber.effectTag &= ~ContentReset; + } + + var before = getHostSibling(finishedWork); + // We only have the top Fiber that was inserted but we need recurse down its + // children to find all the terminal nodes. + var node = finishedWork; + while (true) { + if (node.tag === HostComponent || node.tag === HostText) { + if (before) { + if (isContainer) { + insertInContainerBefore(parent, node.stateNode, before); + } else { + insertBefore(parent, node.stateNode, before); + } + } else { + if (isContainer) { + appendChildToContainer(parent, node.stateNode); + } else { + appendChild(parent, node.stateNode); + } + } + } else if (node.tag === HostPortal) { + // If the insertion itself is a portal, then we don't want to traverse + // down its children. Instead, we'll get insertions from each child in + // the portal directly. + } else if (node.child !== null) { + node.child["return"] = node; + node = node.child; + continue; + } + if (node === finishedWork) { + return; + } + while (node.sibling === null) { + if (node["return"] === null || node["return"] === finishedWork) { + return; + } + node = node["return"]; + } + node.sibling["return"] = node["return"]; + node = node.sibling; + } + } + + function unmountHostComponents(current) { + // We only have the top Fiber that was inserted but we need recurse down its + var node = current; + + // Each iteration, currentParent is populated with node's host parent if not + // currentParentIsValid. + var currentParentIsValid = false; + var currentParent = void 0; + var currentParentIsContainer = void 0; + + while (true) { + if (!currentParentIsValid) { + var parent = node["return"]; + findParent: while (true) { + invariant( + parent !== null, + "Expected to find a host parent. This error is likely caused by " + + "a bug in React. Please file an issue." + ); + switch (parent.tag) { + case HostComponent: + currentParent = parent.stateNode; + currentParentIsContainer = false; + break findParent; + case HostRoot: + currentParent = parent.stateNode.containerInfo; + currentParentIsContainer = true; + break findParent; + case HostPortal: + currentParent = parent.stateNode.containerInfo; + currentParentIsContainer = true; + break findParent; + } + parent = parent["return"]; + } + currentParentIsValid = true; + } + + if (node.tag === HostComponent || node.tag === HostText) { + commitNestedUnmounts(node); + // After all the children have unmounted, it is now safe to remove the + // node from the tree. + if (currentParentIsContainer) { + removeChildFromContainer(currentParent, node.stateNode); + } else { + removeChild(currentParent, node.stateNode); + } + // Don't visit children because we already visited them. + } else if (node.tag === HostPortal) { + // When we go into a portal, it becomes the parent to remove from. + // We will reassign it back when we pop the portal on the way up. + currentParent = node.stateNode.containerInfo; + // Visit children because portals might contain host components. + if (node.child !== null) { + node.child["return"] = node; + node = node.child; + continue; + } + } else { + commitUnmount(node); + // Visit children because we may find more host components below. + if (node.child !== null) { + node.child["return"] = node; + node = node.child; + continue; + } + } + if (node === current) { + return; + } + while (node.sibling === null) { + if (node["return"] === null || node["return"] === current) { + return; + } + node = node["return"]; + if (node.tag === HostPortal) { + // When we go out of the portal, we need to restore the parent. + // Since we don't keep a stack of them, we will search for it. + currentParentIsValid = false; + } + } + node.sibling["return"] = node["return"]; + node = node.sibling; + } + } + + function commitDeletion(current) { + // Recursively delete all host nodes from the parent. + // Detach refs and call componentWillUnmount() on the whole subtree. + unmountHostComponents(current); + detachFiber(current); + } + + function commitWork(current, finishedWork) { + switch (finishedWork.tag) { + case ClassComponent: { + return; + } + case HostComponent: { + var instance = finishedWork.stateNode; + if (instance != null) { + // Commit the work prepared earlier. + var newProps = finishedWork.memoizedProps; + // For hydration we reuse the update path but we treat the oldProps + // as the newProps. The updatePayload will contain the real change in + // this case. + var oldProps = current !== null ? current.memoizedProps : newProps; + var type = finishedWork.type; + // TODO: Type the updateQueue to be specific to host components. + var updatePayload = finishedWork.updateQueue; + finishedWork.updateQueue = null; + if (updatePayload !== null) { + commitUpdate( + instance, + updatePayload, + type, + oldProps, + newProps, + finishedWork + ); + } + } + return; + } + case HostText: { + invariant( + finishedWork.stateNode !== null, + "This should have a text node initialized. This error is likely " + + "caused by a bug in React. Please file an issue." + ); + var textInstance = finishedWork.stateNode; + var newText = finishedWork.memoizedProps; + // For hydration we reuse the update path but we treat the oldProps + // as the newProps. The updatePayload will contain the real change in + // this case. + var oldText = current !== null ? current.memoizedProps : newText; + commitTextUpdate(textInstance, oldText, newText); + return; + } + case HostRoot: { + return; + } + default: { + invariant( + false, + "This unit of work tag should not have side-effects. This error is " + + "likely caused by a bug in React. Please file an issue." + ); + } + } + } + + function commitResetTextContent(current) { + resetTextContent(current.stateNode); + } + + if (enableMutatingReconciler) { + return { + commitResetTextContent: commitResetTextContent, + commitPlacement: commitPlacement, + commitDeletion: commitDeletion, + commitWork: commitWork, + commitLifeCycles: commitLifeCycles, + commitAttachRef: commitAttachRef, + commitDetachRef: commitDetachRef + }; + } else { + invariant(false, "Mutating reconciler is disabled."); + } +}; + +var NO_CONTEXT = {}; + +var ReactFiberHostContext = function(config) { + var getChildHostContext = config.getChildHostContext, + getRootHostContext = config.getRootHostContext; + + var contextStackCursor = createCursor(NO_CONTEXT); + var contextFiberStackCursor = createCursor(NO_CONTEXT); + var rootInstanceStackCursor = createCursor(NO_CONTEXT); + + function requiredContext(c) { + invariant( + c !== NO_CONTEXT, + "Expected host context to exist. This error is likely caused by a bug " + + "in React. Please file an issue." + ); + return c; + } + + function getRootHostContainer() { + var rootInstance = requiredContext(rootInstanceStackCursor.current); + return rootInstance; + } + + function pushHostContainer(fiber, nextRootInstance) { + // Push current root instance onto the stack; + // This allows us to reset root when portals are popped. + push(rootInstanceStackCursor, nextRootInstance, fiber); + + var nextRootContext = getRootHostContext(nextRootInstance); + + // Track the context and the Fiber that provided it. + // This enables us to pop only Fibers that provide unique contexts. + push(contextFiberStackCursor, fiber, fiber); + push(contextStackCursor, nextRootContext, fiber); + } + + function popHostContainer(fiber) { + pop(contextStackCursor, fiber); + pop(contextFiberStackCursor, fiber); + pop(rootInstanceStackCursor, fiber); + } + + function getHostContext() { + var context = requiredContext(contextStackCursor.current); + return context; + } + + function pushHostContext(fiber) { + var rootInstance = requiredContext(rootInstanceStackCursor.current); + var context = requiredContext(contextStackCursor.current); + var nextContext = getChildHostContext(context, fiber.type, rootInstance); + + // Don't push this Fiber's context unless it's unique. + if (context === nextContext) { + return; + } + + // Track the context and the Fiber that provided it. + // This enables us to pop only Fibers that provide unique contexts. + push(contextFiberStackCursor, fiber, fiber); + push(contextStackCursor, nextContext, fiber); + } + + function popHostContext(fiber) { + // Do not pop unless this Fiber provided the current context. + // pushHostContext() only pushes Fibers that provide unique contexts. + if (contextFiberStackCursor.current !== fiber) { + return; + } + + pop(contextStackCursor, fiber); + pop(contextFiberStackCursor, fiber); + } + + function resetHostContainer() { + contextStackCursor.current = NO_CONTEXT; + rootInstanceStackCursor.current = NO_CONTEXT; + } + + return { + getHostContext: getHostContext, + getRootHostContainer: getRootHostContainer, + popHostContainer: popHostContainer, + popHostContext: popHostContext, + pushHostContainer: pushHostContainer, + pushHostContext: pushHostContext, + resetHostContainer: resetHostContainer + }; +}; + +var ReactFiberHydrationContext = function(config) { + var shouldSetTextContent = config.shouldSetTextContent, + hydration = config.hydration; + + // If this doesn't have hydration mode. + + if (!hydration) { + return { + enterHydrationState: function() { + return false; + }, + resetHydrationState: function() {}, + tryToClaimNextHydratableInstance: function() {}, + prepareToHydrateHostInstance: function() { + invariant( + false, + "Expected prepareToHydrateHostInstance() to never be called. " + + "This error is likely caused by a bug in React. Please file an issue." + ); + }, + prepareToHydrateHostTextInstance: function() { + invariant( + false, + "Expected prepareToHydrateHostTextInstance() to never be called. " + + "This error is likely caused by a bug in React. Please file an issue." + ); + }, + popHydrationState: function(fiber) { + return false; + } + }; + } + + var canHydrateInstance = hydration.canHydrateInstance, + canHydrateTextInstance = hydration.canHydrateTextInstance, + getNextHydratableSibling = hydration.getNextHydratableSibling, + getFirstHydratableChild = hydration.getFirstHydratableChild, + hydrateInstance = hydration.hydrateInstance, + hydrateTextInstance = hydration.hydrateTextInstance, + didNotMatchHydratedContainerTextInstance = + hydration.didNotMatchHydratedContainerTextInstance, + didNotMatchHydratedTextInstance = hydration.didNotMatchHydratedTextInstance, + didNotHydrateContainerInstance = hydration.didNotHydrateContainerInstance, + didNotHydrateInstance = hydration.didNotHydrateInstance, + didNotFindHydratableContainerInstance = + hydration.didNotFindHydratableContainerInstance, + didNotFindHydratableContainerTextInstance = + hydration.didNotFindHydratableContainerTextInstance, + didNotFindHydratableInstance = hydration.didNotFindHydratableInstance, + didNotFindHydratableTextInstance = + hydration.didNotFindHydratableTextInstance; + + // The deepest Fiber on the stack involved in a hydration context. + // This may have been an insertion or a hydration. + + var hydrationParentFiber = null; + var nextHydratableInstance = null; + var isHydrating = false; + + function enterHydrationState(fiber) { + var parentInstance = fiber.stateNode.containerInfo; + nextHydratableInstance = getFirstHydratableChild(parentInstance); + hydrationParentFiber = fiber; + isHydrating = true; + return true; + } + + function deleteHydratableInstance(returnFiber, instance) { + { + switch (returnFiber.tag) { + case HostRoot: + didNotHydrateContainerInstance( + returnFiber.stateNode.containerInfo, + instance + ); + break; + case HostComponent: + didNotHydrateInstance( + returnFiber.type, + returnFiber.memoizedProps, + returnFiber.stateNode, + instance + ); + break; + } + } + + var childToDelete = createFiberFromHostInstanceForDeletion(); + childToDelete.stateNode = instance; + childToDelete["return"] = returnFiber; + childToDelete.effectTag = Deletion; + + // This might seem like it belongs on progressedFirstDeletion. However, + // these children are not part of the reconciliation list of children. + // Even if we abort and rereconcile the children, that will try to hydrate + // again and the nodes are still in the host tree so these will be + // recreated. + if (returnFiber.lastEffect !== null) { + returnFiber.lastEffect.nextEffect = childToDelete; + returnFiber.lastEffect = childToDelete; + } else { + returnFiber.firstEffect = returnFiber.lastEffect = childToDelete; + } + } + + function insertNonHydratedInstance(returnFiber, fiber) { + fiber.effectTag |= Placement; + { + switch (returnFiber.tag) { + case HostRoot: { + var parentContainer = returnFiber.stateNode.containerInfo; + switch (fiber.tag) { + case HostComponent: + var type = fiber.type; + var props = fiber.pendingProps; + didNotFindHydratableContainerInstance( + parentContainer, + type, + props + ); + break; + case HostText: + var text = fiber.pendingProps; + didNotFindHydratableContainerTextInstance(parentContainer, text); + break; + } + break; + } + case HostComponent: { + var parentType = returnFiber.type; + var parentProps = returnFiber.memoizedProps; + var parentInstance = returnFiber.stateNode; + switch (fiber.tag) { + case HostComponent: + var _type = fiber.type; + var _props = fiber.pendingProps; + didNotFindHydratableInstance( + parentType, + parentProps, + parentInstance, + _type, + _props + ); + break; + case HostText: + var _text = fiber.pendingProps; + didNotFindHydratableTextInstance( + parentType, + parentProps, + parentInstance, + _text + ); + break; + } + break; + } + default: + return; + } + } + } + + function tryHydrate(fiber, nextInstance) { + switch (fiber.tag) { + case HostComponent: { + var type = fiber.type; + var props = fiber.pendingProps; + var instance = canHydrateInstance(nextInstance, type, props); + if (instance !== null) { + fiber.stateNode = instance; + return true; + } + return false; + } + case HostText: { + var text = fiber.pendingProps; + var textInstance = canHydrateTextInstance(nextInstance, text); + if (textInstance !== null) { + fiber.stateNode = textInstance; + return true; + } + return false; + } + default: + return false; + } + } + + function tryToClaimNextHydratableInstance(fiber) { + if (!isHydrating) { + return; + } + var nextInstance = nextHydratableInstance; + if (!nextInstance) { + // Nothing to hydrate. Make it an insertion. + insertNonHydratedInstance(hydrationParentFiber, fiber); + isHydrating = false; + hydrationParentFiber = fiber; + return; + } + if (!tryHydrate(fiber, nextInstance)) { + // If we can't hydrate this instance let's try the next one. + // We use this as a heuristic. It's based on intuition and not data so it + // might be flawed or unnecessary. + nextInstance = getNextHydratableSibling(nextInstance); + if (!nextInstance || !tryHydrate(fiber, nextInstance)) { + // Nothing to hydrate. Make it an insertion. + insertNonHydratedInstance(hydrationParentFiber, fiber); + isHydrating = false; + hydrationParentFiber = fiber; + return; + } + // We matched the next one, we'll now assume that the first one was + // superfluous and we'll delete it. Since we can't eagerly delete it + // we'll have to schedule a deletion. To do that, this node needs a dummy + // fiber associated with it. + deleteHydratableInstance(hydrationParentFiber, nextHydratableInstance); + } + hydrationParentFiber = fiber; + nextHydratableInstance = getFirstHydratableChild(nextInstance); + } + + function prepareToHydrateHostInstance( + fiber, + rootContainerInstance, + hostContext + ) { + var instance = fiber.stateNode; + var updatePayload = hydrateInstance( + instance, + fiber.type, + fiber.memoizedProps, + rootContainerInstance, + hostContext, + fiber + ); + // TODO: Type this specific to this type of component. + fiber.updateQueue = updatePayload; + // If the update payload indicates that there is a change or if there + // is a new ref we mark this as an update. + if (updatePayload !== null) { + return true; + } + return false; + } + + function prepareToHydrateHostTextInstance(fiber) { + var textInstance = fiber.stateNode; + var textContent = fiber.memoizedProps; + var shouldUpdate = hydrateTextInstance(textInstance, textContent, fiber); + { + if (shouldUpdate) { + // We assume that prepareToHydrateHostTextInstance is called in a context where the + // hydration parent is the parent host component of this host text. + var returnFiber = hydrationParentFiber; + if (returnFiber !== null) { + switch (returnFiber.tag) { + case HostRoot: { + var parentContainer = returnFiber.stateNode.containerInfo; + didNotMatchHydratedContainerTextInstance( + parentContainer, + textInstance, + textContent + ); + break; + } + case HostComponent: { + var parentType = returnFiber.type; + var parentProps = returnFiber.memoizedProps; + var parentInstance = returnFiber.stateNode; + didNotMatchHydratedTextInstance( + parentType, + parentProps, + parentInstance, + textInstance, + textContent + ); + break; + } + } + } + } + } + return shouldUpdate; + } + + function popToNextHostParent(fiber) { + var parent = fiber["return"]; + while ( + parent !== null && + parent.tag !== HostComponent && + parent.tag !== HostRoot + ) { + parent = parent["return"]; + } + hydrationParentFiber = parent; + } + + function popHydrationState(fiber) { + if (fiber !== hydrationParentFiber) { + // We're deeper than the current hydration context, inside an inserted + // tree. + return false; + } + if (!isHydrating) { + // If we're not currently hydrating but we're in a hydration context, then + // we were an insertion and now need to pop up reenter hydration of our + // siblings. + popToNextHostParent(fiber); + isHydrating = true; + return false; + } + + var type = fiber.type; + + // If we have any remaining hydratable nodes, we need to delete them now. + // We only do this deeper than head and body since they tend to have random + // other nodes in them. We also ignore components with pure text content in + // side of them. + // TODO: Better heuristic. + if ( + fiber.tag !== HostComponent || + (type !== "head" && + type !== "body" && + !shouldSetTextContent(type, fiber.memoizedProps)) + ) { + var nextInstance = nextHydratableInstance; + while (nextInstance) { + deleteHydratableInstance(fiber, nextInstance); + nextInstance = getNextHydratableSibling(nextInstance); + } + } + + popToNextHostParent(fiber); + nextHydratableInstance = hydrationParentFiber + ? getNextHydratableSibling(fiber.stateNode) + : null; + return true; + } + + function resetHydrationState() { + hydrationParentFiber = null; + nextHydratableInstance = null; + isHydrating = false; + } + + return { + enterHydrationState: enterHydrationState, + resetHydrationState: resetHydrationState, + tryToClaimNextHydratableInstance: tryToClaimNextHydratableInstance, + prepareToHydrateHostInstance: prepareToHydrateHostInstance, + prepareToHydrateHostTextInstance: prepareToHydrateHostTextInstance, + popHydrationState: popHydrationState + }; +}; + +// This lets us hook into Fiber to debug what it's doing. +// See https://github.com/facebook/react/pull/8033. +// This is not part of the public API, not even for React DevTools. +// You may only inject a debugTool if you work on React Fiber itself. +var ReactFiberInstrumentation = { + debugTool: null +}; + +var ReactFiberInstrumentation_1 = ReactFiberInstrumentation; + +// This module is forked in different environments. +// By default, return `true` to log errors to the console. +// Forks can return `false` if this isn't desirable. +function showErrorDialog(capturedError) { + return true; +} + +function logCapturedError(capturedError) { + var logError = showErrorDialog(capturedError); + + // Allow injected showErrorDialog() to prevent default console.error logging. + // This enables renderers like ReactNative to better manage redbox behavior. + if (logError === false) { + return; + } + + var error = capturedError.error; + var suppressLogging = error && error.suppressReactErrorLogging; + if (suppressLogging) { + return; + } + + { + var componentName = capturedError.componentName, + componentStack = capturedError.componentStack, + errorBoundaryName = capturedError.errorBoundaryName, + errorBoundaryFound = capturedError.errorBoundaryFound, + willRetry = capturedError.willRetry; + + var componentNameMessage = componentName + ? "The above error occurred in the <" + componentName + "> component:" + : "The above error occurred in one of your React components:"; + + var errorBoundaryMessage = void 0; + // errorBoundaryFound check is sufficient; errorBoundaryName check is to satisfy Flow. + if (errorBoundaryFound && errorBoundaryName) { + if (willRetry) { + errorBoundaryMessage = + "React will try to recreate this component tree from scratch " + + ("using the error boundary you provided, " + errorBoundaryName + "."); + } else { + errorBoundaryMessage = + "This error was initially handled by the error boundary " + + errorBoundaryName + + ".\n" + + "Recreating the tree from scratch failed so React will unmount the tree."; + } + } else { + errorBoundaryMessage = + "Consider adding an error boundary to your tree to customize error handling behavior.\n" + + "Visit https://fb.me/react-error-boundaries to learn more about error boundaries."; + } + var combinedMessage = + "" + + componentNameMessage + + componentStack + + "\n\n" + + ("" + errorBoundaryMessage); + + // In development, we provide our own message with just the component stack. + // We don't include the original error message and JS stack because the browser + // has already printed it. Even if the application swallows the error, it is still + // displayed by the browser thanks to the DEV-only fake event trick in ReactErrorUtils. + console.error(combinedMessage); + } +} + +var invokeGuardedCallback$2 = ReactErrorUtils.invokeGuardedCallback; +var hasCaughtError = ReactErrorUtils.hasCaughtError; +var clearCaughtError = ReactErrorUtils.clearCaughtError; + +var didWarnAboutStateTransition = void 0; +var didWarnSetStateChildContext = void 0; +var warnAboutUpdateOnUnmounted = void 0; +var warnAboutInvalidUpdates = void 0; + +{ + didWarnAboutStateTransition = false; + didWarnSetStateChildContext = false; + var didWarnStateUpdateForUnmountedComponent = {}; + + warnAboutUpdateOnUnmounted = function(fiber) { + var componentName = getComponentName(fiber) || "ReactClass"; + if (didWarnStateUpdateForUnmountedComponent[componentName]) { + return; + } + warning( + false, + "Can only update a mounted or mounting " + + "component. This usually means you called setState, replaceState, " + + "or forceUpdate on an unmounted component. This is a no-op.\n\nPlease " + + "check the code for the %s component.", + componentName + ); + didWarnStateUpdateForUnmountedComponent[componentName] = true; + }; + + warnAboutInvalidUpdates = function(instance) { + switch (ReactDebugCurrentFiber.phase) { + case "getChildContext": + if (didWarnSetStateChildContext) { + return; + } + warning( + false, + "setState(...): Cannot call setState() inside getChildContext()" + ); + didWarnSetStateChildContext = true; + break; + case "render": + if (didWarnAboutStateTransition) { + return; + } + warning( + false, + "Cannot update during an existing state transition (such as within " + + "`render` or another component's constructor). Render methods should " + + "be a pure function of props and state; constructor side-effects are " + + "an anti-pattern, but can be moved to `componentWillMount`." + ); + didWarnAboutStateTransition = true; + break; + } + }; +} + +var ReactFiberScheduler = function(config) { + var hostContext = ReactFiberHostContext(config); + var hydrationContext = ReactFiberHydrationContext(config); + var popHostContainer = hostContext.popHostContainer, + popHostContext = hostContext.popHostContext, + resetHostContainer = hostContext.resetHostContainer; + + var _ReactFiberBeginWork = ReactFiberBeginWork( + config, + hostContext, + hydrationContext, + scheduleWork, + computeExpirationForFiber + ), + beginWork = _ReactFiberBeginWork.beginWork, + beginFailedWork = _ReactFiberBeginWork.beginFailedWork; + + var _ReactFiberCompleteWo = ReactFiberCompleteWork( + config, + hostContext, + hydrationContext + ), + completeWork = _ReactFiberCompleteWo.completeWork; + + var _ReactFiberCommitWork = ReactFiberCommitWork(config, captureError), + commitResetTextContent = _ReactFiberCommitWork.commitResetTextContent, + commitPlacement = _ReactFiberCommitWork.commitPlacement, + commitDeletion = _ReactFiberCommitWork.commitDeletion, + commitWork = _ReactFiberCommitWork.commitWork, + commitLifeCycles = _ReactFiberCommitWork.commitLifeCycles, + commitAttachRef = _ReactFiberCommitWork.commitAttachRef, + commitDetachRef = _ReactFiberCommitWork.commitDetachRef; + + var now = config.now, + scheduleDeferredCallback = config.scheduleDeferredCallback, + cancelDeferredCallback = config.cancelDeferredCallback, + prepareForCommit = config.prepareForCommit, + resetAfterCommit = config.resetAfterCommit; + + // Represents the current time in ms. + + var startTime = now(); + var mostRecentCurrentTime = msToExpirationTime(0); + + // Used to ensure computeUniqueAsyncExpiration is monotonically increases. + var lastUniqueAsyncExpiration = 0; + + // Represents the expiration time that incoming updates should use. (If this + // is NoWork, use the default strategy: async updates in async mode, sync + // updates in sync mode.) + var expirationContext = NoWork; + + var isWorking = false; + + // The next work in progress fiber that we're currently working on. + var nextUnitOfWork = null; + var nextRoot = null; + // The time at which we're currently rendering work. + var nextRenderExpirationTime = NoWork; + + // The next fiber with an effect that we're currently committing. + var nextEffect = null; + + // Keep track of which fibers have captured an error that need to be handled. + // Work is removed from this collection after componentDidCatch is called. + var capturedErrors = null; + // Keep track of which fibers have failed during the current batch of work. + // This is a different set than capturedErrors, because it is not reset until + // the end of the batch. This is needed to propagate errors correctly if a + // subtree fails more than once. + var failedBoundaries = null; + // Error boundaries that captured an error during the current commit. + var commitPhaseBoundaries = null; + var firstUncaughtError = null; + var didFatal = false; + + var isCommitting = false; + var isUnmounting = false; + + // Used for performance tracking. + var interruptedBy = null; + + function resetContextStack() { + // Reset the stack + reset(); + // Reset the cursors + resetContext(); + resetProviderStack(); + resetHostContainer(); + } + + function commitAllHostEffects() { + while (nextEffect !== null) { + { + ReactDebugCurrentFiber.setCurrentFiber(nextEffect); + } + recordEffect(); + + var effectTag = nextEffect.effectTag; + if (effectTag & ContentReset) { + commitResetTextContent(nextEffect); + } + + if (effectTag & Ref) { + var current = nextEffect.alternate; + if (current !== null) { + commitDetachRef(current); + } + } + + // The following switch statement is only concerned about placement, + // updates, and deletions. To avoid needing to add a case for every + // possible bitmap value, we remove the secondary effects from the + // effect tag and switch on that value. + var primaryEffectTag = + effectTag & ~(Callback | Err | ContentReset | Ref | PerformedWork); + switch (primaryEffectTag) { + case Placement: { + commitPlacement(nextEffect); + // Clear the "placement" from effect tag so that we know that this is inserted, before + // any life-cycles like componentDidMount gets called. + // TODO: findDOMNode doesn't rely on this any more but isMounted + // does and isMounted is deprecated anyway so we should be able + // to kill this. + nextEffect.effectTag &= ~Placement; + break; + } + case PlacementAndUpdate: { + // Placement + commitPlacement(nextEffect); + // Clear the "placement" from effect tag so that we know that this is inserted, before + // any life-cycles like componentDidMount gets called. + nextEffect.effectTag &= ~Placement; + + // Update + var _current = nextEffect.alternate; + commitWork(_current, nextEffect); + break; + } + case Update: { + var _current2 = nextEffect.alternate; + commitWork(_current2, nextEffect); + break; + } + case Deletion: { + isUnmounting = true; + commitDeletion(nextEffect); + isUnmounting = false; + break; + } + } + nextEffect = nextEffect.nextEffect; + } + + { + ReactDebugCurrentFiber.resetCurrentFiber(); + } + } + + function commitAllLifeCycles() { + { + ReactStrictModeWarnings.flushPendingUnsafeLifecycleWarnings(); + + if (warnAboutDeprecatedLifecycles) { + ReactStrictModeWarnings.flushPendingDeprecationWarnings(); + } + } + + while (nextEffect !== null) { + var effectTag = nextEffect.effectTag; + + if (effectTag & (Update | Callback)) { + recordEffect(); + var current = nextEffect.alternate; + commitLifeCycles(current, nextEffect); + } + + if (effectTag & Ref) { + recordEffect(); + commitAttachRef(nextEffect); + } + + if (effectTag & Err) { + recordEffect(); + commitErrorHandling(nextEffect); + } + + var next = nextEffect.nextEffect; + // Ensure that we clean these up so that we don't accidentally keep them. + // I'm not actually sure this matters because we can't reset firstEffect + // and lastEffect since they're on every node, not just the effectful + // ones. So we have to clean everything as we reuse nodes anyway. + nextEffect.nextEffect = null; + // Ensure that we reset the effectTag here so that we can rely on effect + // tags to reason about the current life-cycle. + nextEffect = next; + } + } + + function commitRoot(finishedWork) { + // We keep track of this so that captureError can collect any boundaries + // that capture an error during the commit phase. The reason these aren't + // local to this function is because errors that occur during cWU are + // captured elsewhere, to prevent the unmount from being interrupted. + isWorking = true; + isCommitting = true; + startCommitTimer(); + + var root = finishedWork.stateNode; + invariant( + root.current !== finishedWork, + "Cannot commit the same tree as before. This is probably a bug " + + "related to the return field. This error is likely caused by a bug " + + "in React. Please file an issue." + ); + root.isReadyForCommit = false; + + // Reset this to null before calling lifecycles + ReactCurrentOwner.current = null; + + var firstEffect = void 0; + if (finishedWork.effectTag > PerformedWork) { + // A fiber's effect list consists only of its children, not itself. So if + // the root has an effect, we need to add it to the end of the list. The + // resulting list is the set that would belong to the root's parent, if + // it had one; that is, all the effects in the tree including the root. + if (finishedWork.lastEffect !== null) { + finishedWork.lastEffect.nextEffect = finishedWork; + firstEffect = finishedWork.firstEffect; + } else { + firstEffect = finishedWork; + } + } else { + // There is no effect on the root. + firstEffect = finishedWork.firstEffect; + } + + prepareForCommit(); + + // Commit all the side-effects within a tree. We'll do this in two passes. + // The first pass performs all the host insertions, updates, deletions and + // ref unmounts. + nextEffect = firstEffect; + startCommitHostEffectsTimer(); + while (nextEffect !== null) { + var didError = false; + var _error = void 0; + { + invokeGuardedCallback$2(null, commitAllHostEffects, null); + if (hasCaughtError()) { + didError = true; + _error = clearCaughtError(); + } + } + if (didError) { + invariant( + nextEffect !== null, + "Should have next effect. This error is likely caused by a bug " + + "in React. Please file an issue." + ); + captureError(nextEffect, _error); + // Clean-up + if (nextEffect !== null) { + nextEffect = nextEffect.nextEffect; + } + } + } + stopCommitHostEffectsTimer(); + + resetAfterCommit(); + + // The work-in-progress tree is now the current tree. This must come after + // the first pass of the commit phase, so that the previous tree is still + // current during componentWillUnmount, but before the second pass, so that + // the finished work is current during componentDidMount/Update. + root.current = finishedWork; + + // In the second pass we'll perform all life-cycles and ref callbacks. + // Life-cycles happen as a separate pass so that all placements, updates, + // and deletions in the entire tree have already been invoked. + // This pass also triggers any renderer-specific initial effects. + nextEffect = firstEffect; + startCommitLifeCyclesTimer(); + while (nextEffect !== null) { + var _didError = false; + var _error2 = void 0; + { + invokeGuardedCallback$2(null, commitAllLifeCycles, null); + if (hasCaughtError()) { + _didError = true; + _error2 = clearCaughtError(); + } + } + if (_didError) { + invariant( + nextEffect !== null, + "Should have next effect. This error is likely caused by a bug " + + "in React. Please file an issue." + ); + captureError(nextEffect, _error2); + if (nextEffect !== null) { + nextEffect = nextEffect.nextEffect; + } + } + } + + isCommitting = false; + isWorking = false; + stopCommitLifeCyclesTimer(); + stopCommitTimer(); + if (typeof onCommitRoot === "function") { + onCommitRoot(finishedWork.stateNode); + } + if (true && ReactFiberInstrumentation_1.debugTool) { + ReactFiberInstrumentation_1.debugTool.onCommitWork(finishedWork); + } + + // If we caught any errors during this commit, schedule their boundaries + // to update. + if (commitPhaseBoundaries) { + commitPhaseBoundaries.forEach(scheduleErrorRecovery); + commitPhaseBoundaries = null; + } + + if (firstUncaughtError !== null) { + var _error3 = firstUncaughtError; + firstUncaughtError = null; + onUncaughtError(_error3); + } + + var remainingTime = root.current.expirationTime; + + if (remainingTime === NoWork) { + capturedErrors = null; + failedBoundaries = null; + } + + return remainingTime; + } + + function resetExpirationTime(workInProgress, renderTime) { + if (renderTime !== Never && workInProgress.expirationTime === Never) { + // The children of this component are hidden. Don't bubble their + // expiration times. + return; + } + + // Check for pending updates. + var newExpirationTime = getUpdateExpirationTime(workInProgress); + + // TODO: Calls need to visit stateNode + + // Bubble up the earliest expiration time. + var child = workInProgress.child; + while (child !== null) { + if ( + child.expirationTime !== NoWork && + (newExpirationTime === NoWork || + newExpirationTime > child.expirationTime) + ) { + newExpirationTime = child.expirationTime; + } + child = child.sibling; + } + workInProgress.expirationTime = newExpirationTime; + } + + function completeUnitOfWork(workInProgress) { + while (true) { + // The current, flushed, state of this fiber is the alternate. + // Ideally nothing should rely on this, but relying on it here + // means that we don't need an additional field on the work in + // progress. + var current = workInProgress.alternate; + { + ReactDebugCurrentFiber.setCurrentFiber(workInProgress); + } + var next = completeWork( + current, + workInProgress, + nextRenderExpirationTime + ); + { + ReactDebugCurrentFiber.resetCurrentFiber(); + } + + var returnFiber = workInProgress["return"]; + var siblingFiber = workInProgress.sibling; + + resetExpirationTime(workInProgress, nextRenderExpirationTime); + + if (next !== null) { + stopWorkTimer(workInProgress); + if (true && ReactFiberInstrumentation_1.debugTool) { + ReactFiberInstrumentation_1.debugTool.onCompleteWork(workInProgress); + } + // If completing this work spawned new work, do that next. We'll come + // back here again. + return next; + } + + if (returnFiber !== null) { + // Append all the effects of the subtree and this fiber onto the effect + // list of the parent. The completion order of the children affects the + // side-effect order. + if (returnFiber.firstEffect === null) { + returnFiber.firstEffect = workInProgress.firstEffect; + } + if (workInProgress.lastEffect !== null) { + if (returnFiber.lastEffect !== null) { + returnFiber.lastEffect.nextEffect = workInProgress.firstEffect; + } + returnFiber.lastEffect = workInProgress.lastEffect; + } + + // If this fiber had side-effects, we append it AFTER the children's + // side-effects. We can perform certain side-effects earlier if + // needed, by doing multiple passes over the effect list. We don't want + // to schedule our own side-effect on our own list because if end up + // reusing children we'll schedule this effect onto itself since we're + // at the end. + var effectTag = workInProgress.effectTag; + // Skip both NoWork and PerformedWork tags when creating the effect list. + // PerformedWork effect is read by React DevTools but shouldn't be committed. + if (effectTag > PerformedWork) { + if (returnFiber.lastEffect !== null) { + returnFiber.lastEffect.nextEffect = workInProgress; + } else { + returnFiber.firstEffect = workInProgress; + } + returnFiber.lastEffect = workInProgress; + } + } + + stopWorkTimer(workInProgress); + if (true && ReactFiberInstrumentation_1.debugTool) { + ReactFiberInstrumentation_1.debugTool.onCompleteWork(workInProgress); + } + + if (siblingFiber !== null) { + // If there is more work to do in this returnFiber, do that next. + return siblingFiber; + } else if (returnFiber !== null) { + // If there's no more work in this returnFiber. Complete the returnFiber. + workInProgress = returnFiber; + continue; + } else { + // We've reached the root. + var root = workInProgress.stateNode; + root.isReadyForCommit = true; + return null; + } + } + + // Without this explicit null return Flow complains of invalid return type + // TODO Remove the above while(true) loop + // eslint-disable-next-line no-unreachable + return null; + } + + function performUnitOfWork(workInProgress) { + // The current, flushed, state of this fiber is the alternate. + // Ideally nothing should rely on this, but relying on it here + // means that we don't need an additional field on the work in + // progress. + var current = workInProgress.alternate; + + // See if beginning this work spawns more work. + startWorkTimer(workInProgress); + { + ReactDebugCurrentFiber.setCurrentFiber(workInProgress); + } + + var next = beginWork(current, workInProgress, nextRenderExpirationTime); + { + ReactDebugCurrentFiber.resetCurrentFiber(); + } + if (true && ReactFiberInstrumentation_1.debugTool) { + ReactFiberInstrumentation_1.debugTool.onBeginWork(workInProgress); + } + + if (next === null) { + // If this doesn't spawn new work, complete the current work. + next = completeUnitOfWork(workInProgress); + } + + ReactCurrentOwner.current = null; + + return next; + } + + function performFailedUnitOfWork(workInProgress) { + { + ReactStrictModeWarnings.discardPendingWarnings(); + } + + // The current, flushed, state of this fiber is the alternate. + // Ideally nothing should rely on this, but relying on it here + // means that we don't need an additional field on the work in + // progress. + var current = workInProgress.alternate; + + // See if beginning this work spawns more work. + startWorkTimer(workInProgress); + { + ReactDebugCurrentFiber.setCurrentFiber(workInProgress); + } + var next = beginFailedWork( + current, + workInProgress, + nextRenderExpirationTime + ); + { + ReactDebugCurrentFiber.resetCurrentFiber(); + } + if (true && ReactFiberInstrumentation_1.debugTool) { + ReactFiberInstrumentation_1.debugTool.onBeginWork(workInProgress); + } + + if (next === null) { + // If this doesn't spawn new work, complete the current work. + next = completeUnitOfWork(workInProgress); + } + + ReactCurrentOwner.current = null; + + return next; + } + + function workLoop(expirationTime) { + if (capturedErrors !== null) { + // If there are unhandled errors, switch to the slow work loop. + // TODO: How to avoid this check in the fast path? Maybe the renderer + // could keep track of which roots have unhandled errors and call a + // forked version of renderRoot. + slowWorkLoopThatChecksForFailedWork(expirationTime); + return; + } + if ( + nextRenderExpirationTime === NoWork || + nextRenderExpirationTime > expirationTime + ) { + return; + } + + if (nextRenderExpirationTime <= mostRecentCurrentTime) { + // Flush all expired work. + while (nextUnitOfWork !== null) { + nextUnitOfWork = performUnitOfWork(nextUnitOfWork); + } + } else { + // Flush asynchronous work until the deadline runs out of time. + while (nextUnitOfWork !== null && !shouldYield()) { + nextUnitOfWork = performUnitOfWork(nextUnitOfWork); + } + } + } + + function slowWorkLoopThatChecksForFailedWork(expirationTime) { + if ( + nextRenderExpirationTime === NoWork || + nextRenderExpirationTime > expirationTime + ) { + return; + } + + if (nextRenderExpirationTime <= mostRecentCurrentTime) { + // Flush all expired work. + while (nextUnitOfWork !== null) { + if (hasCapturedError(nextUnitOfWork)) { + // Use a forked version of performUnitOfWork + nextUnitOfWork = performFailedUnitOfWork(nextUnitOfWork); + } else { + nextUnitOfWork = performUnitOfWork(nextUnitOfWork); + } + } + } else { + // Flush asynchronous work until the deadline runs out of time. + while (nextUnitOfWork !== null && !shouldYield()) { + if (hasCapturedError(nextUnitOfWork)) { + // Use a forked version of performUnitOfWork + nextUnitOfWork = performFailedUnitOfWork(nextUnitOfWork); + } else { + nextUnitOfWork = performUnitOfWork(nextUnitOfWork); + } + } + } + } + + function renderRootCatchBlock(root, failedWork, boundary, expirationTime) { + // We're going to restart the error boundary that captured the error. + // Conceptually, we're unwinding the stack. We need to unwind the + // context stack, too. + unwindContexts(failedWork, boundary); + + // Restart the error boundary using a forked version of + // performUnitOfWork that deletes the boundary's children. The entire + // failed subree will be unmounted. During the commit phase, a special + // lifecycle method is called on the error boundary, which triggers + // a re-render. + nextUnitOfWork = performFailedUnitOfWork(boundary); + + // Continue working. + workLoop(expirationTime); + } + + function renderRoot(root, expirationTime) { + invariant( + !isWorking, + "renderRoot was called recursively. This error is likely caused " + + "by a bug in React. Please file an issue." + ); + isWorking = true; + + // We're about to mutate the work-in-progress tree. If the root was pending + // commit, it no longer is: we'll need to complete it again. + root.isReadyForCommit = false; + + // Check if we're starting from a fresh stack, or if we're resuming from + // previously yielded work. + if ( + root !== nextRoot || + expirationTime !== nextRenderExpirationTime || + nextUnitOfWork === null + ) { + // Reset the stack and start working from the root. + resetContextStack(); + nextRoot = root; + nextRenderExpirationTime = expirationTime; + nextUnitOfWork = createWorkInProgress( + nextRoot.current, + null, + expirationTime + ); + } + + startWorkLoopTimer(nextUnitOfWork); + + var didError = false; + var error = null; + { + invokeGuardedCallback$2(null, workLoop, null, expirationTime); + if (hasCaughtError()) { + didError = true; + error = clearCaughtError(); + } + } + + // An error was thrown during the render phase. + while (didError) { + if (didFatal) { + // This was a fatal error. Don't attempt to recover from it. + firstUncaughtError = error; + break; + } + + var failedWork = nextUnitOfWork; + if (failedWork === null) { + // An error was thrown but there's no current unit of work. This can + // happen during the commit phase if there's a bug in the renderer. + didFatal = true; + continue; + } + + // "Capture" the error by finding the nearest boundary. If there is no + // error boundary, we use the root. + var boundary = captureError(failedWork, error); + invariant( + boundary !== null, + "Should have found an error boundary. This error is likely " + + "caused by a bug in React. Please file an issue." + ); + + if (didFatal) { + // The error we just captured was a fatal error. This happens + // when the error propagates to the root more than once. + continue; + } + + didError = false; + error = null; + { + invokeGuardedCallback$2( + null, + renderRootCatchBlock, + null, + root, + failedWork, + boundary, + expirationTime + ); + if (hasCaughtError()) { + didError = true; + error = clearCaughtError(); + continue; + } + } + // We're finished working. Exit the error loop. + break; + } + + var uncaughtError = firstUncaughtError; + + // We're done performing work. Time to clean up. + stopWorkLoopTimer(interruptedBy); + interruptedBy = null; + isWorking = false; + didFatal = false; + firstUncaughtError = null; + + if (uncaughtError !== null) { + onUncaughtError(uncaughtError); + } + + return root.isReadyForCommit ? root.current.alternate : null; + } + + // Returns the boundary that captured the error, or null if the error is ignored + function captureError(failedWork, error) { + // It is no longer valid because we exited the user code. + ReactCurrentOwner.current = null; + { + ReactDebugCurrentFiber.resetCurrentFiber(); + } + + // Search for the nearest error boundary. + var boundary = null; + + // Passed to logCapturedError() + var errorBoundaryFound = false; + var willRetry = false; + var errorBoundaryName = null; + + // Host containers are a special case. If the failed work itself is a host + // container, then it acts as its own boundary. In all other cases, we + // ignore the work itself and only search through the parents. + if (failedWork.tag === HostRoot) { + boundary = failedWork; + + if (isFailedBoundary(failedWork)) { + // If this root already failed, there must have been an error when + // attempting to unmount it. This is a worst-case scenario and + // should only be possible if there's a bug in the renderer. + didFatal = true; + } + } else { + var node = failedWork["return"]; + while (node !== null && boundary === null) { + if (node.tag === ClassComponent) { + var instance = node.stateNode; + if (typeof instance.componentDidCatch === "function") { + errorBoundaryFound = true; + errorBoundaryName = getComponentName(node); + + // Found an error boundary! + boundary = node; + willRetry = true; + } + } else if (node.tag === HostRoot) { + // Treat the root like a no-op error boundary + boundary = node; + } + + if (isFailedBoundary(node)) { + // This boundary is already in a failed state. + + // If we're currently unmounting, that means this error was + // thrown while unmounting a failed subtree. We should ignore + // the error. + if (isUnmounting) { + return null; + } + + // If we're in the commit phase, we should check to see if + // this boundary already captured an error during this commit. + // This case exists because multiple errors can be thrown during + // a single commit without interruption. + if ( + commitPhaseBoundaries !== null && + (commitPhaseBoundaries.has(node) || + (node.alternate !== null && + commitPhaseBoundaries.has(node.alternate))) + ) { + // If so, we should ignore this error. + return null; + } + + // The error should propagate to the next boundary -— we keep looking. + boundary = null; + willRetry = false; + } + + node = node["return"]; + } + } + + if (boundary !== null) { + // Add to the collection of failed boundaries. This lets us know that + // subsequent errors in this subtree should propagate to the next boundary. + if (failedBoundaries === null) { + failedBoundaries = new Set(); + } + failedBoundaries.add(boundary); + + // This method is unsafe outside of the begin and complete phases. + // We might be in the commit phase when an error is captured. + // The risk is that the return path from this Fiber may not be accurate. + // That risk is acceptable given the benefit of providing users more context. + var _componentStack = getStackAddendumByWorkInProgressFiber(failedWork); + var _componentName = getComponentName(failedWork); + + // Add to the collection of captured errors. This is stored as a global + // map of errors and their component stack location keyed by the boundaries + // that capture them. We mostly use this Map as a Set; it's a Map only to + // avoid adding a field to Fiber to store the error. + if (capturedErrors === null) { + capturedErrors = new Map(); + } + + var capturedError = { + componentName: _componentName, + componentStack: _componentStack, + error: error, + errorBoundary: errorBoundaryFound ? boundary.stateNode : null, + errorBoundaryFound: errorBoundaryFound, + errorBoundaryName: errorBoundaryName, + willRetry: willRetry + }; + + capturedErrors.set(boundary, capturedError); + + try { + logCapturedError(capturedError); + } catch (e) { + // Prevent cycle if logCapturedError() throws. + // A cycle may still occur if logCapturedError renders a component that throws. + var suppressLogging = e && e.suppressReactErrorLogging; + if (!suppressLogging) { + console.error(e); + } + } + + // If we're in the commit phase, defer scheduling an update on the + // boundary until after the commit is complete + if (isCommitting) { + if (commitPhaseBoundaries === null) { + commitPhaseBoundaries = new Set(); + } + commitPhaseBoundaries.add(boundary); + } else { + // Otherwise, schedule an update now. + // TODO: Is this actually necessary during the render phase? Is it + // possible to unwind and continue rendering at the same priority, + // without corrupting internal state? + scheduleErrorRecovery(boundary); + } + return boundary; + } else if (firstUncaughtError === null) { + // If no boundary is found, we'll need to throw the error + firstUncaughtError = error; + } + return null; + } + + function hasCapturedError(fiber) { + // TODO: capturedErrors should store the boundary instance, to avoid needing + // to check the alternate. + return ( + capturedErrors !== null && + (capturedErrors.has(fiber) || + (fiber.alternate !== null && capturedErrors.has(fiber.alternate))) + ); + } + + function isFailedBoundary(fiber) { + // TODO: failedBoundaries should store the boundary instance, to avoid + // needing to check the alternate. + return ( + failedBoundaries !== null && + (failedBoundaries.has(fiber) || + (fiber.alternate !== null && failedBoundaries.has(fiber.alternate))) + ); + } + + function commitErrorHandling(effectfulFiber) { + var capturedError = void 0; + if (capturedErrors !== null) { + capturedError = capturedErrors.get(effectfulFiber); + capturedErrors["delete"](effectfulFiber); + if (capturedError == null) { + if (effectfulFiber.alternate !== null) { + effectfulFiber = effectfulFiber.alternate; + capturedError = capturedErrors.get(effectfulFiber); + capturedErrors["delete"](effectfulFiber); + } + } + } + + invariant( + capturedError != null, + "No error for given unit of work. This error is likely caused by a " + + "bug in React. Please file an issue." + ); + + switch (effectfulFiber.tag) { + case ClassComponent: + var instance = effectfulFiber.stateNode; + + var info = { + componentStack: capturedError.componentStack + }; + + // Allow the boundary to handle the error, usually by scheduling + // an update to itself + instance.componentDidCatch(capturedError.error, info); + return; + case HostRoot: + if (firstUncaughtError === null) { + firstUncaughtError = capturedError.error; + } + return; + default: + invariant( + false, + "Invalid type of work. This error is likely caused by a bug in " + + "React. Please file an issue." + ); + } + } + + function unwindContexts(from, to) { + var node = from; + while (node !== null) { + switch (node.tag) { + case ClassComponent: + popContextProvider(node); + break; + case HostComponent: + popHostContext(node); + break; + case HostRoot: + popHostContainer(node); + break; + case HostPortal: + popHostContainer(node); + break; + case ContextProvider: + popProvider(node); + break; + } + if (node === to || node.alternate === to) { + stopFailedWorkTimer(node); + break; + } else { + stopWorkTimer(node); + } + node = node["return"]; + } + } + + function computeAsyncExpiration() { + // Given the current clock time, returns an expiration time. We use rounding + // to batch like updates together. + // Should complete within ~1000ms. 1200ms max. + var currentTime = recalculateCurrentTime(); + var expirationMs = 1000; + var bucketSizeMs = 200; + return computeExpirationBucket(currentTime, expirationMs, bucketSizeMs); + } + + // Creates a unique async expiration time. + function computeUniqueAsyncExpiration() { + var result = computeAsyncExpiration(); + if (result <= lastUniqueAsyncExpiration) { + // Since we assume the current time monotonically increases, we only hit + // this branch when computeUniqueAsyncExpiration is fired multiple times + // within a 200ms window (or whatever the async bucket size is). + result = lastUniqueAsyncExpiration + 1; + } + lastUniqueAsyncExpiration = result; + return lastUniqueAsyncExpiration; + } + + function computeExpirationForFiber(fiber) { + var expirationTime = void 0; + if (expirationContext !== NoWork) { + // An explicit expiration context was set; + expirationTime = expirationContext; + } else if (isWorking) { + if (isCommitting) { + // Updates that occur during the commit phase should have sync priority + // by default. + expirationTime = Sync; + } else { + // Updates during the render phase should expire at the same time as + // the work that is being rendered. + expirationTime = nextRenderExpirationTime; + } + } else { + // No explicit expiration context was set, and we're not currently + // performing work. Calculate a new expiration time. + if (fiber.internalContextTag & AsyncUpdates) { + // This is an async update + expirationTime = computeAsyncExpiration(); + } else { + // This is a sync update + expirationTime = Sync; + } + } + return expirationTime; + } + + function scheduleWork(fiber, expirationTime) { + return scheduleWorkImpl(fiber, expirationTime, false); + } + + function checkRootNeedsClearing(root, fiber, expirationTime) { + if ( + !isWorking && + root === nextRoot && + expirationTime < nextRenderExpirationTime + ) { + // Restart the root from the top. + if (nextUnitOfWork !== null) { + // This is an interruption. (Used for performance tracking.) + interruptedBy = fiber; + } + nextRoot = null; + nextUnitOfWork = null; + nextRenderExpirationTime = NoWork; + } + } + + function scheduleWorkImpl(fiber, expirationTime, isErrorRecovery) { + recordScheduleUpdate(); + + { + if (!isErrorRecovery && fiber.tag === ClassComponent) { + var instance = fiber.stateNode; + warnAboutInvalidUpdates(instance); + } + } + + var node = fiber; + while (node !== null) { + // Walk the parent path to the root and update each node's + // expiration time. + if ( + node.expirationTime === NoWork || + node.expirationTime > expirationTime + ) { + node.expirationTime = expirationTime; + } + if (node.alternate !== null) { + if ( + node.alternate.expirationTime === NoWork || + node.alternate.expirationTime > expirationTime + ) { + node.alternate.expirationTime = expirationTime; + } + } + if (node["return"] === null) { + if (node.tag === HostRoot) { + var root = node.stateNode; + + checkRootNeedsClearing(root, fiber, expirationTime); + requestWork(root, expirationTime); + checkRootNeedsClearing(root, fiber, expirationTime); + } else { + { + if (!isErrorRecovery && fiber.tag === ClassComponent) { + warnAboutUpdateOnUnmounted(fiber); + } + } + return; + } + } + node = node["return"]; + } + } + + function scheduleErrorRecovery(fiber) { + scheduleWorkImpl(fiber, Sync, true); + } + + function recalculateCurrentTime() { + // Subtract initial time so it fits inside 32bits + var ms = now() - startTime; + mostRecentCurrentTime = msToExpirationTime(ms); + return mostRecentCurrentTime; + } + + function deferredUpdates(fn) { + var previousExpirationContext = expirationContext; + expirationContext = computeAsyncExpiration(); + try { + return fn(); + } finally { + expirationContext = previousExpirationContext; + } + } + + function syncUpdates(fn) { + var previousExpirationContext = expirationContext; + expirationContext = Sync; + try { + return fn(); + } finally { + expirationContext = previousExpirationContext; + } + } + + // TODO: Everything below this is written as if it has been lifted to the + // renderers. I'll do this in a follow-up. + + // Linked-list of roots + var firstScheduledRoot = null; + var lastScheduledRoot = null; + + var callbackExpirationTime = NoWork; + var callbackID = -1; + var isRendering = false; + var nextFlushedRoot = null; + var nextFlushedExpirationTime = NoWork; + var deadlineDidExpire = false; + var hasUnhandledError = false; + var unhandledError = null; + var deadline = null; + + var isBatchingUpdates = false; + var isUnbatchingUpdates = false; + + var completedBatches = null; + + // Use these to prevent an infinite loop of nested updates + var NESTED_UPDATE_LIMIT = 1000; + var nestedUpdateCount = 0; + + var timeHeuristicForUnitOfWork = 1; + + function scheduleCallbackWithExpiration(expirationTime) { + if (callbackExpirationTime !== NoWork) { + // A callback is already scheduled. Check its expiration time (timeout). + if (expirationTime > callbackExpirationTime) { + // Existing callback has sufficient timeout. Exit. + return; + } else { + // Existing callback has insufficient timeout. Cancel and schedule a + // new one. + cancelDeferredCallback(callbackID); + } + // The request callback timer is already running. Don't start a new one. + } else { + startRequestCallbackTimer(); + } + + // Compute a timeout for the given expiration time. + var currentMs = now() - startTime; + var expirationMs = expirationTimeToMs(expirationTime); + var timeout = expirationMs - currentMs; + + callbackExpirationTime = expirationTime; + callbackID = scheduleDeferredCallback(performAsyncWork, { + timeout: timeout + }); + } + + // requestWork is called by the scheduler whenever a root receives an update. + // It's up to the renderer to call renderRoot at some point in the future. + function requestWork(root, expirationTime) { + if (nestedUpdateCount > NESTED_UPDATE_LIMIT) { + invariant( + false, + "Maximum update depth exceeded. This can happen when a " + + "component repeatedly calls setState inside componentWillUpdate or " + + "componentDidUpdate. React limits the number of nested updates to " + + "prevent infinite loops." + ); + } + + // Add the root to the schedule. + // Check if this root is already part of the schedule. + if (root.nextScheduledRoot === null) { + // This root is not already scheduled. Add it. + root.remainingExpirationTime = expirationTime; + if (lastScheduledRoot === null) { + firstScheduledRoot = lastScheduledRoot = root; + root.nextScheduledRoot = root; + } else { + lastScheduledRoot.nextScheduledRoot = root; + lastScheduledRoot = root; + lastScheduledRoot.nextScheduledRoot = firstScheduledRoot; + } + } else { + // This root is already scheduled, but its priority may have increased. + var remainingExpirationTime = root.remainingExpirationTime; + if ( + remainingExpirationTime === NoWork || + expirationTime < remainingExpirationTime + ) { + // Update the priority. + root.remainingExpirationTime = expirationTime; + } + } + + if (isRendering) { + // Prevent reentrancy. Remaining work will be scheduled at the end of + // the currently rendering batch. + return; + } + + if (isBatchingUpdates) { + // Flush work at the end of the batch. + if (isUnbatchingUpdates) { + // ...unless we're inside unbatchedUpdates, in which case we should + // flush it now. + nextFlushedRoot = root; + nextFlushedExpirationTime = Sync; + performWorkOnRoot(root, Sync, recalculateCurrentTime()); + } + return; + } + + // TODO: Get rid of Sync and use current time? + if (expirationTime === Sync) { + performWork(Sync, null); + } else { + scheduleCallbackWithExpiration(expirationTime); + } + } + + function findHighestPriorityRoot() { + var highestPriorityWork = NoWork; + var highestPriorityRoot = null; + + if (lastScheduledRoot !== null) { + var previousScheduledRoot = lastScheduledRoot; + var root = firstScheduledRoot; + while (root !== null) { + var remainingExpirationTime = root.remainingExpirationTime; + if (remainingExpirationTime === NoWork) { + // This root no longer has work. Remove it from the scheduler. + + // TODO: This check is redudant, but Flow is confused by the branch + // below where we set lastScheduledRoot to null, even though we break + // from the loop right after. + invariant( + previousScheduledRoot !== null && lastScheduledRoot !== null, + "Should have a previous and last root. This error is likely " + + "caused by a bug in React. Please file an issue." + ); + if (root === root.nextScheduledRoot) { + // This is the only root in the list. + root.nextScheduledRoot = null; + firstScheduledRoot = lastScheduledRoot = null; + break; + } else if (root === firstScheduledRoot) { + // This is the first root in the list. + var next = root.nextScheduledRoot; + firstScheduledRoot = next; + lastScheduledRoot.nextScheduledRoot = next; + root.nextScheduledRoot = null; + } else if (root === lastScheduledRoot) { + // This is the last root in the list. + lastScheduledRoot = previousScheduledRoot; + lastScheduledRoot.nextScheduledRoot = firstScheduledRoot; + root.nextScheduledRoot = null; + break; + } else { + previousScheduledRoot.nextScheduledRoot = root.nextScheduledRoot; + root.nextScheduledRoot = null; + } + root = previousScheduledRoot.nextScheduledRoot; + } else { + if ( + highestPriorityWork === NoWork || + remainingExpirationTime < highestPriorityWork + ) { + // Update the priority, if it's higher + highestPriorityWork = remainingExpirationTime; + highestPriorityRoot = root; + } + if (root === lastScheduledRoot) { + break; + } + previousScheduledRoot = root; + root = root.nextScheduledRoot; + } + } + } + + // If the next root is the same as the previous root, this is a nested + // update. To prevent an infinite loop, increment the nested update count. + var previousFlushedRoot = nextFlushedRoot; + if ( + previousFlushedRoot !== null && + previousFlushedRoot === highestPriorityRoot + ) { + nestedUpdateCount++; + } else { + // Reset whenever we switch roots. + nestedUpdateCount = 0; + } + nextFlushedRoot = highestPriorityRoot; + nextFlushedExpirationTime = highestPriorityWork; + } + + function performAsyncWork(dl) { + performWork(NoWork, dl); + } + + function performWork(minExpirationTime, dl) { + deadline = dl; + + // Keep working on roots until there's no more work, or until the we reach + // the deadline. + findHighestPriorityRoot(); + + if (enableUserTimingAPI && deadline !== null) { + var didExpire = nextFlushedExpirationTime < recalculateCurrentTime(); + stopRequestCallbackTimer(didExpire); + } + + while ( + nextFlushedRoot !== null && + nextFlushedExpirationTime !== NoWork && + (minExpirationTime === NoWork || + nextFlushedExpirationTime <= minExpirationTime) && + !deadlineDidExpire + ) { + performWorkOnRoot( + nextFlushedRoot, + nextFlushedExpirationTime, + recalculateCurrentTime() + ); + // Find the next highest priority work. + findHighestPriorityRoot(); + } + + // We're done flushing work. Either we ran out of time in this callback, + // or there's no more work left with sufficient priority. + + // If we're inside a callback, set this to false since we just completed it. + if (deadline !== null) { + callbackExpirationTime = NoWork; + callbackID = -1; + } + // If there's work left over, schedule a new callback. + if (nextFlushedExpirationTime !== NoWork) { + scheduleCallbackWithExpiration(nextFlushedExpirationTime); + } + + // Clean-up. + deadline = null; + deadlineDidExpire = false; + nestedUpdateCount = 0; + + finishRendering(); + } + + function flushRoot(root, expirationTime) { + invariant( + !isRendering, + "work.commit(): Cannot commit while already rendering. This likely " + + "means you attempted to commit from inside a lifecycle method." + ); + // Perform work on root as if the given expiration time is the current time. + // This has the effect of synchronously flushing all work up to and + // including the given time. + performWorkOnRoot(root, expirationTime, expirationTime); + finishRendering(); + } + + function finishRendering() { + if (completedBatches !== null) { + var batches = completedBatches; + completedBatches = null; + for (var i = 0; i < batches.length; i++) { + var batch = batches[i]; + try { + batch._onComplete(); + } catch (error) { + if (!hasUnhandledError) { + hasUnhandledError = true; + unhandledError = error; + } + } + } + } + + if (hasUnhandledError) { + var _error4 = unhandledError; + unhandledError = null; + hasUnhandledError = false; + throw _error4; + } + } + + function performWorkOnRoot(root, expirationTime, currentTime) { + invariant( + !isRendering, + "performWorkOnRoot was called recursively. This error is likely caused " + + "by a bug in React. Please file an issue." + ); + + isRendering = true; + + // Check if this is async work or sync/expired work. + if (expirationTime <= currentTime) { + // Flush sync work. + var finishedWork = root.finishedWork; + if (finishedWork !== null) { + // This root is already complete. We can commit it. + completeRoot(root, finishedWork, expirationTime); + } else { + root.finishedWork = null; + finishedWork = renderRoot(root, expirationTime); + if (finishedWork !== null) { + // We've completed the root. Commit it. + completeRoot(root, finishedWork, expirationTime); + } + } + } else { + // Flush async work. + var _finishedWork = root.finishedWork; + if (_finishedWork !== null) { + // This root is already complete. We can commit it. + completeRoot(root, _finishedWork, expirationTime); + } else { + root.finishedWork = null; + _finishedWork = renderRoot(root, expirationTime); + if (_finishedWork !== null) { + // We've completed the root. Check the deadline one more time + // before committing. + if (!shouldYield()) { + // Still time left. Commit the root. + completeRoot(root, _finishedWork, expirationTime); + } else { + // There's no time left. Mark this root as complete. We'll come + // back and commit it later. + root.finishedWork = _finishedWork; + } + } + } + } + + isRendering = false; + } + + function completeRoot(root, finishedWork, expirationTime) { + // Check if there's a batch that matches this expiration time. + var firstBatch = root.firstBatch; + if (firstBatch !== null && firstBatch._expirationTime <= expirationTime) { + if (completedBatches === null) { + completedBatches = [firstBatch]; + } else { + completedBatches.push(firstBatch); + } + if (firstBatch._defer) { + // This root is blocked from committing by a batch. Unschedule it until + // we receive another update. + root.finishedWork = finishedWork; + root.remainingExpirationTime = NoWork; + return; + } + } + + // Commit the root. + root.finishedWork = null; + root.remainingExpirationTime = commitRoot(finishedWork); + } + + // When working on async work, the reconciler asks the renderer if it should + // yield execution. For DOM, we implement this with requestIdleCallback. + function shouldYield() { + if (deadline === null) { + return false; + } + if (deadline.timeRemaining() > timeHeuristicForUnitOfWork) { + // Disregard deadline.didTimeout. Only expired work should be flushed + // during a timeout. This path is only hit for non-expired work. + return false; + } + deadlineDidExpire = true; + return true; + } + + // TODO: Not happy about this hook. Conceptually, renderRoot should return a + // tuple of (isReadyForCommit, didError, error) + function onUncaughtError(error) { + invariant( + nextFlushedRoot !== null, + "Should be working on a root. This error is likely caused by a bug in " + + "React. Please file an issue." + ); + // Unschedule this root so we don't work on it again until there's + // another update. + nextFlushedRoot.remainingExpirationTime = NoWork; + if (!hasUnhandledError) { + hasUnhandledError = true; + unhandledError = error; + } + } + + // TODO: Batching should be implemented at the renderer level, not inside + // the reconciler. + function batchedUpdates(fn, a) { + var previousIsBatchingUpdates = isBatchingUpdates; + isBatchingUpdates = true; + try { + return fn(a); + } finally { + isBatchingUpdates = previousIsBatchingUpdates; + if (!isBatchingUpdates && !isRendering) { + performWork(Sync, null); + } + } + } + + // TODO: Batching should be implemented at the renderer level, not inside + // the reconciler. + function unbatchedUpdates(fn) { + if (isBatchingUpdates && !isUnbatchingUpdates) { + isUnbatchingUpdates = true; + try { + return fn(); + } finally { + isUnbatchingUpdates = false; + } + } + return fn(); + } + + // TODO: Batching should be implemented at the renderer level, not within + // the reconciler. + function flushSync(fn) { + var previousIsBatchingUpdates = isBatchingUpdates; + isBatchingUpdates = true; + try { + return syncUpdates(fn); + } finally { + isBatchingUpdates = previousIsBatchingUpdates; + invariant( + !isRendering, + "flushSync was called from inside a lifecycle method. It cannot be " + + "called when React is already rendering." + ); + performWork(Sync, null); + } + } + + return { + computeExpirationForFiber: computeExpirationForFiber, + scheduleWork: scheduleWork, + requestWork: requestWork, + flushRoot: flushRoot, + batchedUpdates: batchedUpdates, + unbatchedUpdates: unbatchedUpdates, + flushSync: flushSync, + deferredUpdates: deferredUpdates, + computeUniqueAsyncExpiration: computeUniqueAsyncExpiration + }; +}; + +var didWarnAboutNestedUpdates = void 0; + +{ + didWarnAboutNestedUpdates = false; +} + +// 0 is PROD, 1 is DEV. +// Might add PROFILE later. + +function getContextForSubtree(parentComponent) { + if (!parentComponent) { + return emptyObject; + } + + var fiber = get(parentComponent); + var parentContext = findCurrentUnmaskedContext(fiber); + return isContextProvider(fiber) + ? processChildContext(fiber, parentContext) + : parentContext; +} + +var ReactFiberReconciler$1 = function(config) { + var getPublicInstance = config.getPublicInstance; + + var _ReactFiberScheduler = ReactFiberScheduler(config), + computeUniqueAsyncExpiration = + _ReactFiberScheduler.computeUniqueAsyncExpiration, + computeExpirationForFiber = _ReactFiberScheduler.computeExpirationForFiber, + scheduleWork = _ReactFiberScheduler.scheduleWork, + requestWork = _ReactFiberScheduler.requestWork, + flushRoot = _ReactFiberScheduler.flushRoot, + batchedUpdates = _ReactFiberScheduler.batchedUpdates, + unbatchedUpdates = _ReactFiberScheduler.unbatchedUpdates, + flushSync = _ReactFiberScheduler.flushSync, + deferredUpdates = _ReactFiberScheduler.deferredUpdates; + + function scheduleRootUpdate(current, element, expirationTime, callback) { + { + if ( + ReactDebugCurrentFiber.phase === "render" && + ReactDebugCurrentFiber.current !== null && + !didWarnAboutNestedUpdates + ) { + didWarnAboutNestedUpdates = true; + warning( + false, + "Render methods should be a pure function of props and state; " + + "triggering nested component updates from render is not allowed. " + + "If necessary, trigger nested updates in componentDidUpdate.\n\n" + + "Check the render method of %s.", + getComponentName(ReactDebugCurrentFiber.current) || "Unknown" + ); + } + } + + callback = callback === undefined ? null : callback; + { + warning( + callback === null || typeof callback === "function", + "render(...): Expected the last optional `callback` argument to be a " + + "function. Instead received: %s.", + callback + ); + } + + var update = { + expirationTime: expirationTime, + partialState: { element: element }, + callback: callback, + isReplace: false, + isForced: false, + next: null + }; + insertUpdateIntoFiber(current, update); + scheduleWork(current, expirationTime); + + return expirationTime; + } + + function updateContainerAtExpirationTime( + element, + container, + parentComponent, + expirationTime, + callback + ) { + // TODO: If this is a nested container, this won't be the root. + var current = container.current; + + { + if (ReactFiberInstrumentation_1.debugTool) { + if (current.alternate === null) { + ReactFiberInstrumentation_1.debugTool.onMountContainer(container); + } else if (element === null) { + ReactFiberInstrumentation_1.debugTool.onUnmountContainer(container); + } else { + ReactFiberInstrumentation_1.debugTool.onUpdateContainer(container); + } + } + } + + var context = getContextForSubtree(parentComponent); + if (container.context === null) { + container.context = context; + } else { + container.pendingContext = context; + } + + return scheduleRootUpdate(current, element, expirationTime, callback); + } + + function findHostInstance(fiber) { + var hostFiber = findCurrentHostFiber(fiber); + if (hostFiber === null) { + return null; + } + return hostFiber.stateNode; + } + + return { + createContainer: function(containerInfo, isAsync, hydrate) { + return createFiberRoot(containerInfo, isAsync, hydrate); + }, + updateContainer: function(element, container, parentComponent, callback) { + var current = container.current; + var expirationTime = computeExpirationForFiber(current); + return updateContainerAtExpirationTime( + element, + container, + parentComponent, + expirationTime, + callback + ); + }, + + updateContainerAtExpirationTime: updateContainerAtExpirationTime, + + flushRoot: flushRoot, + + requestWork: requestWork, + + computeUniqueAsyncExpiration: computeUniqueAsyncExpiration, + + batchedUpdates: batchedUpdates, + + unbatchedUpdates: unbatchedUpdates, + + deferredUpdates: deferredUpdates, + + flushSync: flushSync, + + getPublicRootInstance: function(container) { + var containerFiber = container.current; + if (!containerFiber.child) { + return null; + } + switch (containerFiber.child.tag) { + case HostComponent: + return getPublicInstance(containerFiber.child.stateNode); + default: + return containerFiber.child.stateNode; + } + }, + + findHostInstance: findHostInstance, + + findHostInstanceWithNoPortals: function(fiber) { + var hostFiber = findCurrentHostFiberWithNoPortals(fiber); + if (hostFiber === null) { + return null; + } + return hostFiber.stateNode; + }, + injectIntoDevTools: function(devToolsConfig) { + var findFiberByHostInstance = devToolsConfig.findFiberByHostInstance; + + return injectInternals( + Object.assign({}, devToolsConfig, { + findHostInstanceByFiber: function(fiber) { + return findHostInstance(fiber); + }, + findFiberByHostInstance: function(instance) { + if (!findFiberByHostInstance) { + // Might not be implemented by the renderer. + return null; + } + return findFiberByHostInstance(instance); + } + }) + ); + } + }; +}; + +var ReactFiberReconciler$2 = Object.freeze({ + default: ReactFiberReconciler$1 +}); + +var ReactFiberReconciler$3 = + (ReactFiberReconciler$2 && ReactFiberReconciler$1) || ReactFiberReconciler$2; + +// TODO: bundle Flow types with the package. + +// TODO: decide on the top-level export form. +// This is hacky but makes it work with both Rollup and Jest. +var reactReconciler = ReactFiberReconciler$3["default"] + ? ReactFiberReconciler$3["default"] + : ReactFiberReconciler$3; + +function _classCallCheck$2(instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } +} + +// Modules provided by RN: +/** + * This is used for refs on host components. + */ + +var ReactFabricHostComponent = (function() { + function ReactFabricHostComponent(tag, viewConfig, props) { + _classCallCheck$2(this, ReactFabricHostComponent); + + this._nativeTag = tag; + this.viewConfig = viewConfig; + this.currentProps = props; + } + + ReactFabricHostComponent.prototype.blur = function blur() { + TextInputState.blurTextInput(this._nativeTag); + }; + + ReactFabricHostComponent.prototype.focus = function focus() { + TextInputState.focusTextInput(this._nativeTag); + }; + + ReactFabricHostComponent.prototype.measure = function measure(callback) { + UIManager.measure(this._nativeTag, mountSafeCallback(this, callback)); + }; + + ReactFabricHostComponent.prototype.measureInWindow = function measureInWindow( + callback + ) { + UIManager.measureInWindow( + this._nativeTag, + mountSafeCallback(this, callback) + ); + }; + + ReactFabricHostComponent.prototype.measureLayout = function measureLayout( + relativeToNativeNode, + onSuccess, + onFail /* currently unused */ + ) { + UIManager.measureLayout( + this._nativeTag, + relativeToNativeNode, + mountSafeCallback(this, onFail), + mountSafeCallback(this, onSuccess) + ); + }; + + ReactFabricHostComponent.prototype.setNativeProps = function setNativeProps( + nativeProps + ) { + { + warnForStyleProps(nativeProps, this.viewConfig.validAttributes); + } + + var updatePayload = create(nativeProps, this.viewConfig.validAttributes); + + // Avoid the overhead of bridge calls if there's no update. + // This is an expensive no-op for Android, and causes an unnecessary + // view invalidation for certain components (eg RCTTextInput) on iOS. + if (updatePayload != null) { + UIManager.updateView( + this._nativeTag, + this.viewConfig.uiViewClassName, + updatePayload + ); + } + }; + + return ReactFabricHostComponent; +})(); + +var ReactFabricRenderer = reactReconciler({ + appendInitialChild: function(parentInstance, child) { + FabricUIManager.appendChild(parentInstance.node, child.node); + }, + createInstance: function( + type, + props, + rootContainerInstance, + hostContext, + internalInstanceHandle + ) { + var tag = ReactNativeTagHandles.allocateTag(); + var viewConfig = get$1(type); + + { + for (var key in viewConfig.validAttributes) { + if (props.hasOwnProperty(key)) { + deepFreezeAndThrowOnMutationInDev(props[key]); + } + } + } + + var updatePayload = create(props, viewConfig.validAttributes); + + var node = FabricUIManager.createNode( + tag, // reactTag + viewConfig.uiViewClassName, // viewName + rootContainerInstance, // rootTag + updatePayload, // props + internalInstanceHandle + ); + + var component = new ReactFabricHostComponent(tag, viewConfig, props); + + return { + node: node, + canonical: component + }; + }, + createTextInstance: function( + text, + rootContainerInstance, + hostContext, + internalInstanceHandle + ) { + var tag = ReactNativeTagHandles.allocateTag(); + + var node = FabricUIManager.createNode( + tag, // reactTag + "RCTRawText", // viewName + rootContainerInstance, // rootTag + { text: text }, // props + internalInstanceHandle + ); + + return { + node: node + }; + }, + finalizeInitialChildren: function( + parentInstance, + type, + props, + rootContainerInstance + ) { + return false; + }, + getRootHostContext: function() { + return emptyObject; + }, + getChildHostContext: function() { + return emptyObject; + }, + getPublicInstance: function(instance) { + return instance.canonical; + }, + + now: now, + + prepareForCommit: function() { + // Noop + }, + prepareUpdate: function( + instance, + type, + oldProps, + newProps, + rootContainerInstance, + hostContext + ) { + var viewConfig = instance.canonical.viewConfig; + var updatePayload = diff(oldProps, newProps, viewConfig.validAttributes); + // TODO: If the event handlers have changed, we need to update the current props + // in the commit phase but there is no host config hook to do it yet. + return updatePayload; + }, + resetAfterCommit: function() { + // Noop + }, + + scheduleDeferredCallback: scheduleDeferredCallback, + cancelDeferredCallback: cancelDeferredCallback, + + shouldDeprioritizeSubtree: function(type, props) { + return false; + }, + shouldSetTextContent: function(type, props) { + // TODO (bvaughn) Revisit this decision. + // Always returning false simplifies the createInstance() implementation, + // But creates an additional child Fiber for raw text children. + // No additional native views are created though. + // It's not clear to me which is better so I'm deferring for now. + // More context @ github.com/facebook/react/pull/8560#discussion_r92111303 + return false; + }, + + persistence: { + cloneInstance: function( + instance, + updatePayload, + type, + oldProps, + newProps, + internalInstanceHandle, + keepChildren, + recyclableInstance + ) { + var node = instance.node; + var clone = void 0; + if (keepChildren) { + if (updatePayload !== null) { + clone = FabricUIManager.cloneNodeWithNewProps(node, updatePayload); + } else { + clone = FabricUIManager.cloneNode(node); + } + } else { + if (updatePayload !== null) { + clone = FabricUIManager.cloneNodeWithNewChildrenAndProps( + node, + updatePayload + ); + } else { + clone = FabricUIManager.cloneNodeWithNewChildren(node); + } + } + return { + node: clone, + canonical: instance.canonical + }; + }, + createContainerChildSet: function(container) { + return FabricUIManager.createChildSet(container); + }, + appendChildToContainerChildSet: function(childSet, child) { + FabricUIManager.appendChildToSet(childSet, child.node); + }, + finalizeContainerChildren: function(container, newChildren) { + FabricUIManager.completeRoot(container, newChildren); + }, + replaceContainerChildren: function(container, newChildren) {} + } +}); + +injection$2.injectFiberBatchedUpdates(ReactFabricRenderer.batchedUpdates); + +// Module provided by RN: +var getInspectorDataForViewTag = void 0; + +{ + var traverseOwnerTreeUp = function(hierarchy, instance) { + if (instance) { + hierarchy.unshift(instance); + traverseOwnerTreeUp(hierarchy, instance._debugOwner); + } + }; + + var getOwnerHierarchy = function(instance) { + var hierarchy = []; + traverseOwnerTreeUp(hierarchy, instance); + return hierarchy; + }; + + var lastNonHostInstance = function(hierarchy) { + for (var i = hierarchy.length - 1; i > 1; i--) { + var instance = hierarchy[i]; + + if (instance.tag !== HostComponent) { + return instance; + } + } + return hierarchy[0]; + }; + + var getHostProps = function(fiber) { + var host = findCurrentHostFiber(fiber); + if (host) { + return host.memoizedProps || emptyObject; + } + return emptyObject; + }; + + var getHostNode = function(fiber, findNodeHandle) { + var hostNode = void 0; + // look for children first for the hostNode + // as composite fibers do not have a hostNode + while (fiber) { + if (fiber.stateNode !== null && fiber.tag === HostComponent) { + hostNode = findNodeHandle(fiber.stateNode); + } + if (hostNode) { + return hostNode; + } + fiber = fiber.child; + } + return null; + }; + + var createHierarchy = function(fiberHierarchy) { + return fiberHierarchy.map(function(fiber) { + return { + name: getComponentName(fiber), + getInspectorData: function(findNodeHandle) { + return { + measure: function(callback) { + return UIManager.measure( + getHostNode(fiber, findNodeHandle), + callback + ); + }, + props: getHostProps(fiber), + source: fiber._debugSource + }; + } + }; + }); + }; + + getInspectorDataForViewTag = function(viewTag) { + var closestInstance = getInstanceFromTag(viewTag); + + // Handle case where user clicks outside of ReactNative + if (!closestInstance) { + return { + hierarchy: [], + props: emptyObject, + selection: null, + source: null + }; + } + + var fiber = findCurrentFiberUsingSlowPath(closestInstance); + var fiberHierarchy = getOwnerHierarchy(fiber); + var instance = lastNonHostInstance(fiberHierarchy); + var hierarchy = createHierarchy(fiberHierarchy); + var props = getHostProps(instance); + var source = instance._debugSource; + var selection = fiberHierarchy.indexOf(instance); + + return { + hierarchy: hierarchy, + props: props, + selection: selection, + source: source + }; + }; +} + +/** + * Creates a renderable ReactNative host component. + * Use this method for view configs that are loaded from UIManager. + * Use createReactNativeComponentClass() for view configs defined within JavaScript. + * + * @param {string} config iOS View configuration. + * @private + */ +var createReactNativeComponentClass = function(name, callback) { + return register(name, callback); +}; + +// Module provided by RN: +/** + * Capture an image of the screen, window or an individual view. The image + * will be stored in a temporary file that will only exist for as long as the + * app is running. + * + * The `view` argument can be the literal string `window` if you want to + * capture the entire window, or it can be a reference to a specific + * React Native component. + * + * The `options` argument may include: + * - width/height (number) - the width and height of the image to capture. + * - format (string) - either 'png' or 'jpeg'. Defaults to 'png'. + * - quality (number) - the quality when using jpeg. 0.0 - 1.0 (default). + * + * Returns a Promise. + * @platform ios + */ +function takeSnapshot(view, options) { + if (typeof view !== "number" && view !== "window") { + view = findNumericNodeHandleFiber(view) || "window"; + } + + // Call the hidden '__takeSnapshot' method; the main one throws an error to + // prevent accidental backwards-incompatible usage. + return UIManager.__takeSnapshot(view, options); +} + +injectFindHostInstanceFabric(ReactFabricRenderer.findHostInstance); + +injection$2.injectFiberBatchedUpdates(ReactFabricRenderer.batchedUpdates); + +var roots = new Map(); + +var ReactFabric = { + NativeComponent: ReactNativeComponent, + + findNodeHandle: findNumericNodeHandleFiber, + + render: function(element, containerTag, callback) { + var root = roots.get(containerTag); + + if (!root) { + // TODO (bvaughn): If we decide to keep the wrapper component, + // We could create a wrapper for containerTag as well to reduce special casing. + root = ReactFabricRenderer.createContainer(containerTag, false, false); + roots.set(containerTag, root); + } + ReactFabricRenderer.updateContainer(element, root, null, callback); + + return ReactFabricRenderer.getPublicRootInstance(root); + }, + unmountComponentAtNode: function(containerTag) { + var root = roots.get(containerTag); + if (root) { + // TODO: Is it safe to reset this now or should I wait since this unmount could be deferred? + ReactFabricRenderer.updateContainer(null, root, null, function() { + roots["delete"](containerTag); + }); + } + }, + unmountComponentAtNodeAndRemoveContainer: function(containerTag) { + ReactFabric.unmountComponentAtNode(containerTag); + }, + createPortal: function(children, containerTag) { + var key = + arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null; + + return createPortal(children, containerTag, null, key); + }, + + unstable_batchedUpdates: batchedUpdates, + + flushSync: ReactFabricRenderer.flushSync, + + __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: { + // Used as a mixin in many createClass-based components + NativeMethodsMixin: NativeMethodsMixin, + // Used by react-native-github/Libraries/ components + ReactNativeBridgeEventPlugin: ReactNativeBridgeEventPlugin, // requireNativeComponent + ReactGlobalSharedState: ReactGlobalSharedState, // Systrace + ReactNativeComponentTree: ReactNativeComponentTree, // InspectorUtils, ScrollResponder + ReactNativePropRegistry: ReactNativePropRegistry, // flattenStyle, Stylesheet + TouchHistoryMath: TouchHistoryMath, // PanResponder + createReactNativeComponentClass: createReactNativeComponentClass, // RCTText, RCTView, ReactNativeART + takeSnapshot: takeSnapshot + } +}; + +{ + // $FlowFixMe + Object.assign( + ReactFabric.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED, + { + // TODO: none of these work since Fiber. Remove these dependencies. + // Used by RCTRenderingPerf, Systrace: + ReactDebugTool: { + addHook: function() {}, + removeHook: function() {} + }, + // Used by ReactPerfStallHandler, RCTRenderingPerf: + ReactPerf: { + start: function() {}, + stop: function() {}, + printInclusive: function() {}, + printWasted: function() {} + } + } + ); +} + +ReactFabricRenderer.injectIntoDevTools({ + findFiberByHostInstance: getInstanceFromTag, + getInspectorDataForViewTag: getInspectorDataForViewTag, + bundleType: 1, + version: ReactVersion, + rendererPackageName: "react-native-renderer" +}); + +var ReactFabric$2 = Object.freeze({ + default: ReactFabric +}); + +var ReactFabric$3 = (ReactFabric$2 && ReactFabric) || ReactFabric$2; + +// TODO: decide on the top-level export form. +// This is hacky but makes it work with both Rollup and Jest. +var fabric = ReactFabric$3["default"] + ? ReactFabric$3["default"] + : ReactFabric$3; + +module.exports = fabric; + + })(); +} diff --git a/Libraries/Renderer/ReactFabric-prod.js b/Libraries/Renderer/ReactFabric-prod.js new file mode 100644 index 00000000000000..0b83b840338c9d --- /dev/null +++ b/Libraries/Renderer/ReactFabric-prod.js @@ -0,0 +1,5692 @@ +/** + * Copyright (c) 2013-present, Facebook, Inc. + * + * This source code is licensed under the MIT license found in the + * LICENSE file in the root directory of this source tree. + * + * @noflow + * @providesModule ReactFabric-prod + * @preventMunge + */ + +"use strict"; +require("InitializeCore"); +var invariant = require("fbjs/lib/invariant"), + emptyFunction = require("fbjs/lib/emptyFunction"), + RCTEventEmitter = require("RCTEventEmitter"), + UIManager = require("UIManager"), + React = require("react"), + TextInputState = require("TextInputState"), + deepDiffer = require("deepDiffer"), + flattenStyle = require("flattenStyle"), + emptyObject = require("fbjs/lib/emptyObject"), + shallowEqual = require("fbjs/lib/shallowEqual"), + FabricUIManager = require("FabricUIManager"); +function invokeGuardedCallback(name, func, context, a, b, c, d, e, f) { + this._hasCaughtError = !1; + this._caughtError = null; + var funcArgs = Array.prototype.slice.call(arguments, 3); + try { + func.apply(context, funcArgs); + } catch (error) { + (this._caughtError = error), (this._hasCaughtError = !0); + } +} +var ReactErrorUtils = { + _caughtError: null, + _hasCaughtError: !1, + _rethrowError: null, + _hasRethrowError: !1, + invokeGuardedCallback: function(name, func, context, a, b, c, d, e, f) { + invokeGuardedCallback.apply(ReactErrorUtils, arguments); + }, + invokeGuardedCallbackAndCatchFirstError: function( + name, + func, + context, + a, + b, + c, + d, + e, + f + ) { + ReactErrorUtils.invokeGuardedCallback.apply(this, arguments); + if (ReactErrorUtils.hasCaughtError()) { + var error = ReactErrorUtils.clearCaughtError(); + ReactErrorUtils._hasRethrowError || + ((ReactErrorUtils._hasRethrowError = !0), + (ReactErrorUtils._rethrowError = error)); + } + }, + rethrowCaughtError: function() { + return rethrowCaughtError.apply(ReactErrorUtils, arguments); + }, + hasCaughtError: function() { + return ReactErrorUtils._hasCaughtError; + }, + clearCaughtError: function() { + if (ReactErrorUtils._hasCaughtError) { + var error = ReactErrorUtils._caughtError; + ReactErrorUtils._caughtError = null; + ReactErrorUtils._hasCaughtError = !1; + return error; + } + invariant( + !1, + "clearCaughtError was called but no error was captured. This error is likely caused by a bug in React. Please file an issue." + ); + } +}; +function rethrowCaughtError() { + if (ReactErrorUtils._hasRethrowError) { + var error = ReactErrorUtils._rethrowError; + ReactErrorUtils._rethrowError = null; + ReactErrorUtils._hasRethrowError = !1; + throw error; + } +} +var eventPluginOrder = null, + namesToPlugins = {}; +function recomputePluginOrdering() { + if (eventPluginOrder) + for (var pluginName in namesToPlugins) { + var pluginModule = namesToPlugins[pluginName], + pluginIndex = eventPluginOrder.indexOf(pluginName); + invariant( + -1 < pluginIndex, + "EventPluginRegistry: Cannot inject event plugins that do not exist in the plugin ordering, `%s`.", + pluginName + ); + if (!plugins[pluginIndex]) { + invariant( + pluginModule.extractEvents, + "EventPluginRegistry: Event plugins must implement an `extractEvents` method, but `%s` does not.", + pluginName + ); + plugins[pluginIndex] = pluginModule; + pluginIndex = pluginModule.eventTypes; + for (var eventName in pluginIndex) { + var JSCompiler_inline_result = void 0; + var dispatchConfig = pluginIndex[eventName], + pluginModule$jscomp$0 = pluginModule, + eventName$jscomp$0 = eventName; + invariant( + !eventNameDispatchConfigs.hasOwnProperty(eventName$jscomp$0), + "EventPluginHub: More than one plugin attempted to publish the same event name, `%s`.", + eventName$jscomp$0 + ); + eventNameDispatchConfigs[eventName$jscomp$0] = dispatchConfig; + var phasedRegistrationNames = dispatchConfig.phasedRegistrationNames; + if (phasedRegistrationNames) { + for (JSCompiler_inline_result in phasedRegistrationNames) + phasedRegistrationNames.hasOwnProperty( + JSCompiler_inline_result + ) && + publishRegistrationName( + phasedRegistrationNames[JSCompiler_inline_result], + pluginModule$jscomp$0, + eventName$jscomp$0 + ); + JSCompiler_inline_result = !0; + } else + dispatchConfig.registrationName + ? (publishRegistrationName( + dispatchConfig.registrationName, + pluginModule$jscomp$0, + eventName$jscomp$0 + ), + (JSCompiler_inline_result = !0)) + : (JSCompiler_inline_result = !1); + invariant( + JSCompiler_inline_result, + "EventPluginRegistry: Failed to publish event `%s` for plugin `%s`.", + eventName, + pluginName + ); + } + } + } +} +function publishRegistrationName(registrationName, pluginModule) { + invariant( + !registrationNameModules[registrationName], + "EventPluginHub: More than one plugin attempted to publish the same registration name, `%s`.", + registrationName + ); + registrationNameModules[registrationName] = pluginModule; +} +var plugins = [], + eventNameDispatchConfigs = {}, + registrationNameModules = {}, + getFiberCurrentPropsFromNode = null, + getInstanceFromNode = null, + getNodeFromInstance = null; +function isEndish(topLevelType) { + return ( + "topMouseUp" === topLevelType || + "topTouchEnd" === topLevelType || + "topTouchCancel" === topLevelType + ); +} +function isMoveish(topLevelType) { + return "topMouseMove" === topLevelType || "topTouchMove" === topLevelType; +} +function isStartish(topLevelType) { + return "topMouseDown" === topLevelType || "topTouchStart" === topLevelType; +} +function executeDispatch(event, simulated, listener, inst) { + simulated = event.type || "unknown-event"; + event.currentTarget = getNodeFromInstance(inst); + ReactErrorUtils.invokeGuardedCallbackAndCatchFirstError( + simulated, + listener, + void 0, + event + ); + event.currentTarget = null; +} +function executeDirectDispatch(event) { + var dispatchListener = event._dispatchListeners, + dispatchInstance = event._dispatchInstances; + invariant( + !Array.isArray(dispatchListener), + "executeDirectDispatch(...): Invalid `event`." + ); + event.currentTarget = dispatchListener + ? getNodeFromInstance(dispatchInstance) + : null; + dispatchListener = dispatchListener ? dispatchListener(event) : null; + event.currentTarget = null; + event._dispatchListeners = null; + event._dispatchInstances = null; + return dispatchListener; +} +function accumulateInto(current, next) { + invariant( + null != next, + "accumulateInto(...): Accumulated items must not be null or undefined." + ); + if (null == current) return next; + if (Array.isArray(current)) { + if (Array.isArray(next)) return current.push.apply(current, next), current; + current.push(next); + return current; + } + return Array.isArray(next) ? [current].concat(next) : [current, next]; +} +function forEachAccumulated(arr, cb, scope) { + Array.isArray(arr) ? arr.forEach(cb, scope) : arr && cb.call(scope, arr); +} +var eventQueue = null; +function executeDispatchesAndReleaseTopLevel(e) { + if (e) { + var dispatchListeners = e._dispatchListeners, + dispatchInstances = e._dispatchInstances; + if (Array.isArray(dispatchListeners)) + for ( + var i = 0; + i < dispatchListeners.length && !e.isPropagationStopped(); + i++ + ) + executeDispatch(e, !1, dispatchListeners[i], dispatchInstances[i]); + else + dispatchListeners && + executeDispatch(e, !1, dispatchListeners, dispatchInstances); + e._dispatchListeners = null; + e._dispatchInstances = null; + e.isPersistent() || e.constructor.release(e); + } +} +var injection = { + injectEventPluginOrder: function(injectedEventPluginOrder) { + invariant( + !eventPluginOrder, + "EventPluginRegistry: Cannot inject event plugin ordering more than once. You are likely trying to load more than one copy of React." + ); + eventPluginOrder = Array.prototype.slice.call(injectedEventPluginOrder); + recomputePluginOrdering(); + }, + injectEventPluginsByName: function(injectedNamesToPlugins) { + var isOrderingDirty = !1, + pluginName; + for (pluginName in injectedNamesToPlugins) + if (injectedNamesToPlugins.hasOwnProperty(pluginName)) { + var pluginModule = injectedNamesToPlugins[pluginName]; + (namesToPlugins.hasOwnProperty(pluginName) && + namesToPlugins[pluginName] === pluginModule) || + (invariant( + !namesToPlugins[pluginName], + "EventPluginRegistry: Cannot inject two different event plugins using the same name, `%s`.", + pluginName + ), + (namesToPlugins[pluginName] = pluginModule), + (isOrderingDirty = !0)); + } + isOrderingDirty && recomputePluginOrdering(); + } +}; +function getListener(inst, registrationName) { + var listener = inst.stateNode; + if (!listener) return null; + var props = getFiberCurrentPropsFromNode(listener); + if (!props) return null; + listener = props[registrationName]; + a: switch (registrationName) { + case "onClick": + case "onClickCapture": + case "onDoubleClick": + case "onDoubleClickCapture": + case "onMouseDown": + case "onMouseDownCapture": + case "onMouseMove": + case "onMouseMoveCapture": + case "onMouseUp": + case "onMouseUpCapture": + (props = !props.disabled) || + ((inst = inst.type), + (props = !( + "button" === inst || + "input" === inst || + "select" === inst || + "textarea" === inst + ))); + inst = !props; + break a; + default: + inst = !1; + } + if (inst) return null; + invariant( + !listener || "function" === typeof listener, + "Expected `%s` listener to be a function, instead got a value of `%s` type.", + registrationName, + typeof listener + ); + return listener; +} +function getParent(inst) { + do inst = inst["return"]; + while (inst && 5 !== inst.tag); + return inst ? inst : null; +} +function traverseTwoPhase(inst, fn, arg) { + for (var path = []; inst; ) path.push(inst), (inst = getParent(inst)); + for (inst = path.length; 0 < inst--; ) fn(path[inst], "captured", arg); + for (inst = 0; inst < path.length; inst++) fn(path[inst], "bubbled", arg); +} +function accumulateDirectionalDispatches(inst, phase, event) { + if ( + (phase = getListener( + inst, + event.dispatchConfig.phasedRegistrationNames[phase] + )) + ) + (event._dispatchListeners = accumulateInto( + event._dispatchListeners, + phase + )), + (event._dispatchInstances = accumulateInto( + event._dispatchInstances, + inst + )); +} +function accumulateTwoPhaseDispatchesSingle(event) { + event && + event.dispatchConfig.phasedRegistrationNames && + traverseTwoPhase(event._targetInst, accumulateDirectionalDispatches, event); +} +function accumulateTwoPhaseDispatchesSingleSkipTarget(event) { + if (event && event.dispatchConfig.phasedRegistrationNames) { + var targetInst = event._targetInst; + targetInst = targetInst ? getParent(targetInst) : null; + traverseTwoPhase(targetInst, accumulateDirectionalDispatches, event); + } +} +function accumulateDirectDispatchesSingle(event) { + if (event && event.dispatchConfig.registrationName) { + var inst = event._targetInst; + if (inst && event && event.dispatchConfig.registrationName) { + var listener = getListener(inst, event.dispatchConfig.registrationName); + listener && + ((event._dispatchListeners = accumulateInto( + event._dispatchListeners, + listener + )), + (event._dispatchInstances = accumulateInto( + event._dispatchInstances, + inst + ))); + } + } +} +var shouldBeReleasedProperties = "dispatchConfig _targetInst nativeEvent isDefaultPrevented isPropagationStopped _dispatchListeners _dispatchInstances".split( + " " + ), + EventInterface = { + type: null, + target: null, + currentTarget: emptyFunction.thatReturnsNull, + eventPhase: null, + bubbles: null, + cancelable: null, + timeStamp: function(event) { + return event.timeStamp || Date.now(); + }, + defaultPrevented: null, + isTrusted: null + }; +function SyntheticEvent( + dispatchConfig, + targetInst, + nativeEvent, + nativeEventTarget +) { + this.dispatchConfig = dispatchConfig; + this._targetInst = targetInst; + this.nativeEvent = nativeEvent; + dispatchConfig = this.constructor.Interface; + for (var propName in dispatchConfig) + dispatchConfig.hasOwnProperty(propName) && + ((targetInst = dispatchConfig[propName]) + ? (this[propName] = targetInst(nativeEvent)) + : "target" === propName + ? (this.target = nativeEventTarget) + : (this[propName] = nativeEvent[propName])); + this.isDefaultPrevented = (null != nativeEvent.defaultPrevented + ? nativeEvent.defaultPrevented + : !1 === nativeEvent.returnValue) + ? emptyFunction.thatReturnsTrue + : emptyFunction.thatReturnsFalse; + this.isPropagationStopped = emptyFunction.thatReturnsFalse; + return this; +} +Object.assign(SyntheticEvent.prototype, { + preventDefault: function() { + this.defaultPrevented = !0; + var event = this.nativeEvent; + event && + (event.preventDefault + ? event.preventDefault() + : "unknown" !== typeof event.returnValue && (event.returnValue = !1), + (this.isDefaultPrevented = emptyFunction.thatReturnsTrue)); + }, + stopPropagation: function() { + var event = this.nativeEvent; + event && + (event.stopPropagation + ? event.stopPropagation() + : "unknown" !== typeof event.cancelBubble && (event.cancelBubble = !0), + (this.isPropagationStopped = emptyFunction.thatReturnsTrue)); + }, + persist: function() { + this.isPersistent = emptyFunction.thatReturnsTrue; + }, + isPersistent: emptyFunction.thatReturnsFalse, + destructor: function() { + var Interface = this.constructor.Interface, + propName; + for (propName in Interface) this[propName] = null; + for ( + Interface = 0; + Interface < shouldBeReleasedProperties.length; + Interface++ + ) + this[shouldBeReleasedProperties[Interface]] = null; + } +}); +SyntheticEvent.Interface = EventInterface; +SyntheticEvent.extend = function(Interface) { + function E() {} + function Class() { + return Super.apply(this, arguments); + } + var Super = this; + E.prototype = Super.prototype; + var prototype = new E(); + Object.assign(prototype, Class.prototype); + Class.prototype = prototype; + Class.prototype.constructor = Class; + Class.Interface = Object.assign({}, Super.Interface, Interface); + Class.extend = Super.extend; + addEventPoolingTo(Class); + return Class; +}; +addEventPoolingTo(SyntheticEvent); +function getPooledEvent(dispatchConfig, targetInst, nativeEvent, nativeInst) { + if (this.eventPool.length) { + var instance = this.eventPool.pop(); + this.call(instance, dispatchConfig, targetInst, nativeEvent, nativeInst); + return instance; + } + return new this(dispatchConfig, targetInst, nativeEvent, nativeInst); +} +function releasePooledEvent(event) { + invariant( + event instanceof this, + "Trying to release an event instance into a pool of a different type." + ); + event.destructor(); + 10 > this.eventPool.length && this.eventPool.push(event); +} +function addEventPoolingTo(EventConstructor) { + EventConstructor.eventPool = []; + EventConstructor.getPooled = getPooledEvent; + EventConstructor.release = releasePooledEvent; +} +var ResponderSyntheticEvent = SyntheticEvent.extend({ + touchHistory: function() { + return null; + } + }), + touchBank = [], + touchHistory = { + touchBank: touchBank, + numberActiveTouches: 0, + indexOfSingleActiveTouch: -1, + mostRecentTimeStamp: 0 + }; +function timestampForTouch(touch) { + return touch.timeStamp || touch.timestamp; +} +function getTouchIdentifier(_ref) { + _ref = _ref.identifier; + invariant(null != _ref, "Touch object is missing identifier."); + return _ref; +} +function recordTouchStart(touch) { + var identifier = getTouchIdentifier(touch), + touchRecord = touchBank[identifier]; + touchRecord + ? ((touchRecord.touchActive = !0), + (touchRecord.startPageX = touch.pageX), + (touchRecord.startPageY = touch.pageY), + (touchRecord.startTimeStamp = timestampForTouch(touch)), + (touchRecord.currentPageX = touch.pageX), + (touchRecord.currentPageY = touch.pageY), + (touchRecord.currentTimeStamp = timestampForTouch(touch)), + (touchRecord.previousPageX = touch.pageX), + (touchRecord.previousPageY = touch.pageY), + (touchRecord.previousTimeStamp = timestampForTouch(touch))) + : ((touchRecord = { + touchActive: !0, + startPageX: touch.pageX, + startPageY: touch.pageY, + startTimeStamp: timestampForTouch(touch), + currentPageX: touch.pageX, + currentPageY: touch.pageY, + currentTimeStamp: timestampForTouch(touch), + previousPageX: touch.pageX, + previousPageY: touch.pageY, + previousTimeStamp: timestampForTouch(touch) + }), + (touchBank[identifier] = touchRecord)); + touchHistory.mostRecentTimeStamp = timestampForTouch(touch); +} +function recordTouchMove(touch) { + var touchRecord = touchBank[getTouchIdentifier(touch)]; + touchRecord + ? ((touchRecord.touchActive = !0), + (touchRecord.previousPageX = touchRecord.currentPageX), + (touchRecord.previousPageY = touchRecord.currentPageY), + (touchRecord.previousTimeStamp = touchRecord.currentTimeStamp), + (touchRecord.currentPageX = touch.pageX), + (touchRecord.currentPageY = touch.pageY), + (touchRecord.currentTimeStamp = timestampForTouch(touch)), + (touchHistory.mostRecentTimeStamp = timestampForTouch(touch))) + : console.error( + "Cannot record touch move without a touch start.\nTouch Move: %s\n", + "Touch Bank: %s", + printTouch(touch), + printTouchBank() + ); +} +function recordTouchEnd(touch) { + var touchRecord = touchBank[getTouchIdentifier(touch)]; + touchRecord + ? ((touchRecord.touchActive = !1), + (touchRecord.previousPageX = touchRecord.currentPageX), + (touchRecord.previousPageY = touchRecord.currentPageY), + (touchRecord.previousTimeStamp = touchRecord.currentTimeStamp), + (touchRecord.currentPageX = touch.pageX), + (touchRecord.currentPageY = touch.pageY), + (touchRecord.currentTimeStamp = timestampForTouch(touch)), + (touchHistory.mostRecentTimeStamp = timestampForTouch(touch))) + : console.error( + "Cannot record touch end without a touch start.\nTouch End: %s\n", + "Touch Bank: %s", + printTouch(touch), + printTouchBank() + ); +} +function printTouch(touch) { + return JSON.stringify({ + identifier: touch.identifier, + pageX: touch.pageX, + pageY: touch.pageY, + timestamp: timestampForTouch(touch) + }); +} +function printTouchBank() { + var printed = JSON.stringify(touchBank.slice(0, 20)); + 20 < touchBank.length && + (printed += " (original size: " + touchBank.length + ")"); + return printed; +} +var ResponderTouchHistoryStore = { + recordTouchTrack: function(topLevelType, nativeEvent) { + if (isMoveish(topLevelType)) + nativeEvent.changedTouches.forEach(recordTouchMove); + else if (isStartish(topLevelType)) + nativeEvent.changedTouches.forEach(recordTouchStart), + (touchHistory.numberActiveTouches = nativeEvent.touches.length), + 1 === touchHistory.numberActiveTouches && + (touchHistory.indexOfSingleActiveTouch = + nativeEvent.touches[0].identifier); + else if ( + isEndish(topLevelType) && + (nativeEvent.changedTouches.forEach(recordTouchEnd), + (touchHistory.numberActiveTouches = nativeEvent.touches.length), + 1 === touchHistory.numberActiveTouches) + ) + for (topLevelType = 0; topLevelType < touchBank.length; topLevelType++) + if ( + ((nativeEvent = touchBank[topLevelType]), + null != nativeEvent && nativeEvent.touchActive) + ) { + touchHistory.indexOfSingleActiveTouch = topLevelType; + break; + } + }, + touchHistory: touchHistory +}; +function accumulate(current, next) { + invariant( + null != next, + "accumulate(...): Accumulated items must be not be null or undefined." + ); + return null == current + ? next + : Array.isArray(current) + ? current.concat(next) + : Array.isArray(next) ? [current].concat(next) : [current, next]; +} +var responderInst = null, + trackedTouchCount = 0, + previousActiveTouches = 0; +function changeResponder(nextResponderInst, blockHostResponder) { + var oldResponderInst = responderInst; + responderInst = nextResponderInst; + if (null !== ResponderEventPlugin.GlobalResponderHandler) + ResponderEventPlugin.GlobalResponderHandler.onChange( + oldResponderInst, + nextResponderInst, + blockHostResponder + ); +} +var eventTypes = { + startShouldSetResponder: { + phasedRegistrationNames: { + bubbled: "onStartShouldSetResponder", + captured: "onStartShouldSetResponderCapture" + } + }, + scrollShouldSetResponder: { + phasedRegistrationNames: { + bubbled: "onScrollShouldSetResponder", + captured: "onScrollShouldSetResponderCapture" + } + }, + selectionChangeShouldSetResponder: { + phasedRegistrationNames: { + bubbled: "onSelectionChangeShouldSetResponder", + captured: "onSelectionChangeShouldSetResponderCapture" + } + }, + moveShouldSetResponder: { + phasedRegistrationNames: { + bubbled: "onMoveShouldSetResponder", + captured: "onMoveShouldSetResponderCapture" + } + }, + responderStart: { registrationName: "onResponderStart" }, + responderMove: { registrationName: "onResponderMove" }, + responderEnd: { registrationName: "onResponderEnd" }, + responderRelease: { registrationName: "onResponderRelease" }, + responderTerminationRequest: { + registrationName: "onResponderTerminationRequest" + }, + responderGrant: { registrationName: "onResponderGrant" }, + responderReject: { registrationName: "onResponderReject" }, + responderTerminate: { registrationName: "onResponderTerminate" } + }, + ResponderEventPlugin = { + _getResponder: function() { + return responderInst; + }, + eventTypes: eventTypes, + extractEvents: function( + topLevelType, + targetInst, + nativeEvent, + nativeEventTarget + ) { + if (isStartish(topLevelType)) trackedTouchCount += 1; + else if (isEndish(topLevelType)) + if (0 <= trackedTouchCount) --trackedTouchCount; + else + return ( + console.error( + "Ended a touch event which was not counted in `trackedTouchCount`." + ), + null + ); + ResponderTouchHistoryStore.recordTouchTrack(topLevelType, nativeEvent); + if ( + targetInst && + (("topScroll" === topLevelType && !nativeEvent.responderIgnoreScroll) || + (0 < trackedTouchCount && "topSelectionChange" === topLevelType) || + isStartish(topLevelType) || + isMoveish(topLevelType)) + ) { + var JSCompiler_temp = isStartish(topLevelType) + ? eventTypes.startShouldSetResponder + : isMoveish(topLevelType) + ? eventTypes.moveShouldSetResponder + : "topSelectionChange" === topLevelType + ? eventTypes.selectionChangeShouldSetResponder + : eventTypes.scrollShouldSetResponder; + if (responderInst) + b: { + var JSCompiler_temp$jscomp$0 = responderInst; + for ( + var depthA = 0, tempA = JSCompiler_temp$jscomp$0; + tempA; + tempA = getParent(tempA) + ) + depthA++; + tempA = 0; + for (var tempB = targetInst; tempB; tempB = getParent(tempB)) + tempA++; + for (; 0 < depthA - tempA; ) + (JSCompiler_temp$jscomp$0 = getParent(JSCompiler_temp$jscomp$0)), + depthA--; + for (; 0 < tempA - depthA; ) + (targetInst = getParent(targetInst)), tempA--; + for (; depthA--; ) { + if ( + JSCompiler_temp$jscomp$0 === targetInst || + JSCompiler_temp$jscomp$0 === targetInst.alternate + ) + break b; + JSCompiler_temp$jscomp$0 = getParent(JSCompiler_temp$jscomp$0); + targetInst = getParent(targetInst); + } + JSCompiler_temp$jscomp$0 = null; + } + else JSCompiler_temp$jscomp$0 = targetInst; + targetInst = JSCompiler_temp$jscomp$0 === responderInst; + JSCompiler_temp$jscomp$0 = ResponderSyntheticEvent.getPooled( + JSCompiler_temp, + JSCompiler_temp$jscomp$0, + nativeEvent, + nativeEventTarget + ); + JSCompiler_temp$jscomp$0.touchHistory = + ResponderTouchHistoryStore.touchHistory; + targetInst + ? forEachAccumulated( + JSCompiler_temp$jscomp$0, + accumulateTwoPhaseDispatchesSingleSkipTarget + ) + : forEachAccumulated( + JSCompiler_temp$jscomp$0, + accumulateTwoPhaseDispatchesSingle + ); + b: { + JSCompiler_temp = JSCompiler_temp$jscomp$0._dispatchListeners; + targetInst = JSCompiler_temp$jscomp$0._dispatchInstances; + if (Array.isArray(JSCompiler_temp)) + for ( + depthA = 0; + depthA < JSCompiler_temp.length && + !JSCompiler_temp$jscomp$0.isPropagationStopped(); + depthA++ + ) { + if ( + JSCompiler_temp[depthA]( + JSCompiler_temp$jscomp$0, + targetInst[depthA] + ) + ) { + JSCompiler_temp = targetInst[depthA]; + break b; + } + } + else if ( + JSCompiler_temp && + JSCompiler_temp(JSCompiler_temp$jscomp$0, targetInst) + ) { + JSCompiler_temp = targetInst; + break b; + } + JSCompiler_temp = null; + } + JSCompiler_temp$jscomp$0._dispatchInstances = null; + JSCompiler_temp$jscomp$0._dispatchListeners = null; + JSCompiler_temp$jscomp$0.isPersistent() || + JSCompiler_temp$jscomp$0.constructor.release( + JSCompiler_temp$jscomp$0 + ); + JSCompiler_temp && JSCompiler_temp !== responderInst + ? ((JSCompiler_temp$jscomp$0 = void 0), + (targetInst = ResponderSyntheticEvent.getPooled( + eventTypes.responderGrant, + JSCompiler_temp, + nativeEvent, + nativeEventTarget + )), + (targetInst.touchHistory = ResponderTouchHistoryStore.touchHistory), + forEachAccumulated(targetInst, accumulateDirectDispatchesSingle), + (depthA = !0 === executeDirectDispatch(targetInst)), + responderInst + ? ((tempA = ResponderSyntheticEvent.getPooled( + eventTypes.responderTerminationRequest, + responderInst, + nativeEvent, + nativeEventTarget + )), + (tempA.touchHistory = ResponderTouchHistoryStore.touchHistory), + forEachAccumulated(tempA, accumulateDirectDispatchesSingle), + (tempB = + !tempA._dispatchListeners || executeDirectDispatch(tempA)), + tempA.isPersistent() || tempA.constructor.release(tempA), + tempB + ? ((tempA = ResponderSyntheticEvent.getPooled( + eventTypes.responderTerminate, + responderInst, + nativeEvent, + nativeEventTarget + )), + (tempA.touchHistory = + ResponderTouchHistoryStore.touchHistory), + forEachAccumulated(tempA, accumulateDirectDispatchesSingle), + (JSCompiler_temp$jscomp$0 = accumulate( + JSCompiler_temp$jscomp$0, + [targetInst, tempA] + )), + changeResponder(JSCompiler_temp, depthA)) + : ((JSCompiler_temp = ResponderSyntheticEvent.getPooled( + eventTypes.responderReject, + JSCompiler_temp, + nativeEvent, + nativeEventTarget + )), + (JSCompiler_temp.touchHistory = + ResponderTouchHistoryStore.touchHistory), + forEachAccumulated( + JSCompiler_temp, + accumulateDirectDispatchesSingle + ), + (JSCompiler_temp$jscomp$0 = accumulate( + JSCompiler_temp$jscomp$0, + JSCompiler_temp + )))) + : ((JSCompiler_temp$jscomp$0 = accumulate( + JSCompiler_temp$jscomp$0, + targetInst + )), + changeResponder(JSCompiler_temp, depthA)), + (JSCompiler_temp = JSCompiler_temp$jscomp$0)) + : (JSCompiler_temp = null); + } else JSCompiler_temp = null; + JSCompiler_temp$jscomp$0 = responderInst && isStartish(topLevelType); + targetInst = responderInst && isMoveish(topLevelType); + depthA = responderInst && isEndish(topLevelType); + if ( + (JSCompiler_temp$jscomp$0 = JSCompiler_temp$jscomp$0 + ? eventTypes.responderStart + : targetInst + ? eventTypes.responderMove + : depthA ? eventTypes.responderEnd : null) + ) + (JSCompiler_temp$jscomp$0 = ResponderSyntheticEvent.getPooled( + JSCompiler_temp$jscomp$0, + responderInst, + nativeEvent, + nativeEventTarget + )), + (JSCompiler_temp$jscomp$0.touchHistory = + ResponderTouchHistoryStore.touchHistory), + forEachAccumulated( + JSCompiler_temp$jscomp$0, + accumulateDirectDispatchesSingle + ), + (JSCompiler_temp = accumulate( + JSCompiler_temp, + JSCompiler_temp$jscomp$0 + )); + JSCompiler_temp$jscomp$0 = + responderInst && "topTouchCancel" === topLevelType; + if ( + (topLevelType = + responderInst && !JSCompiler_temp$jscomp$0 && isEndish(topLevelType)) + ) + a: { + if ((topLevelType = nativeEvent.touches) && 0 !== topLevelType.length) + for (targetInst = 0; targetInst < topLevelType.length; targetInst++) + if ( + ((depthA = topLevelType[targetInst].target), + null !== depthA && void 0 !== depthA && 0 !== depthA) + ) { + tempA = getInstanceFromNode(depthA); + b: { + for (depthA = responderInst; tempA; ) { + if (depthA === tempA || depthA === tempA.alternate) { + depthA = !0; + break b; + } + tempA = getParent(tempA); + } + depthA = !1; + } + if (depthA) { + topLevelType = !1; + break a; + } + } + topLevelType = !0; + } + if ( + (topLevelType = JSCompiler_temp$jscomp$0 + ? eventTypes.responderTerminate + : topLevelType ? eventTypes.responderRelease : null) + ) + (nativeEvent = ResponderSyntheticEvent.getPooled( + topLevelType, + responderInst, + nativeEvent, + nativeEventTarget + )), + (nativeEvent.touchHistory = ResponderTouchHistoryStore.touchHistory), + forEachAccumulated(nativeEvent, accumulateDirectDispatchesSingle), + (JSCompiler_temp = accumulate(JSCompiler_temp, nativeEvent)), + changeResponder(null); + nativeEvent = ResponderTouchHistoryStore.touchHistory.numberActiveTouches; + if ( + ResponderEventPlugin.GlobalInteractionHandler && + nativeEvent !== previousActiveTouches + ) + ResponderEventPlugin.GlobalInteractionHandler.onChange(nativeEvent); + previousActiveTouches = nativeEvent; + return JSCompiler_temp; + }, + GlobalResponderHandler: null, + GlobalInteractionHandler: null, + injection: { + injectGlobalResponderHandler: function(GlobalResponderHandler) { + ResponderEventPlugin.GlobalResponderHandler = GlobalResponderHandler; + }, + injectGlobalInteractionHandler: function(GlobalInteractionHandler) { + ResponderEventPlugin.GlobalInteractionHandler = GlobalInteractionHandler; + } + } + }, + customBubblingEventTypes = {}, + customDirectEventTypes = {}, + ReactNativeBridgeEventPlugin = { + eventTypes: {}, + extractEvents: function( + topLevelType, + targetInst, + nativeEvent, + nativeEventTarget + ) { + var bubbleDispatchConfig = customBubblingEventTypes[topLevelType], + directDispatchConfig = customDirectEventTypes[topLevelType]; + invariant( + bubbleDispatchConfig || directDispatchConfig, + 'Unsupported top level event type "%s" dispatched', + topLevelType + ); + topLevelType = SyntheticEvent.getPooled( + bubbleDispatchConfig || directDispatchConfig, + targetInst, + nativeEvent, + nativeEventTarget + ); + if (bubbleDispatchConfig) + forEachAccumulated(topLevelType, accumulateTwoPhaseDispatchesSingle); + else if (directDispatchConfig) + forEachAccumulated(topLevelType, accumulateDirectDispatchesSingle); + else return null; + return topLevelType; + }, + processEventTypes: function(viewConfig) { + var bubblingEventTypes = viewConfig.bubblingEventTypes; + viewConfig = viewConfig.directEventTypes; + if (null != bubblingEventTypes) + for (var _topLevelType in bubblingEventTypes) + null == customBubblingEventTypes[_topLevelType] && + (ReactNativeBridgeEventPlugin.eventTypes[ + _topLevelType + ] = customBubblingEventTypes[_topLevelType] = + bubblingEventTypes[_topLevelType]); + if (null != viewConfig) + for (var _topLevelType2 in viewConfig) + null == customDirectEventTypes[_topLevelType2] && + (ReactNativeBridgeEventPlugin.eventTypes[ + _topLevelType2 + ] = customDirectEventTypes[_topLevelType2] = + viewConfig[_topLevelType2]); + } + }, + instanceCache = {}, + instanceProps = {}; +function getInstanceFromTag(tag) { + return "number" === typeof tag ? instanceCache[tag] || null : tag; +} +var ReactNativeComponentTree = Object.freeze({ + precacheFiberNode: function(hostInst, tag) { + instanceCache[tag] = hostInst; + }, + uncacheFiberNode: function(tag) { + delete instanceCache[tag]; + delete instanceProps[tag]; + }, + getClosestInstanceFromNode: getInstanceFromTag, + getInstanceFromNode: getInstanceFromTag, + getNodeFromInstance: function(inst) { + var tag = inst.stateNode._nativeTag; + void 0 === tag && (tag = inst.stateNode.canonical._nativeTag); + invariant(tag, "All native instances should have a tag."); + return tag; + }, + getFiberCurrentPropsFromNode: function(stateNode) { + return instanceProps[stateNode._nativeTag] || null; + }, + updateFiberProps: function(tag, props) { + instanceProps[tag] = props; + } + }), + restoreTarget = null, + restoreQueue = null; +function restoreStateOfTarget(target) { + if ((target = getInstanceFromNode(target))) { + invariant( + null, + "Fiber needs to be injected to handle a fiber target for controlled events. This error is likely caused by a bug in React. Please file an issue." + ); + var props = getFiberCurrentPropsFromNode(target.stateNode); + null.restoreControlledState(target.stateNode, target.type, props); + } +} +function fiberBatchedUpdates(fn, bookkeeping) { + return fn(bookkeeping); +} +var isNestingBatched = !1; +function batchedUpdates(fn, bookkeeping) { + if (isNestingBatched) return fiberBatchedUpdates(fn, bookkeeping); + isNestingBatched = !0; + try { + return fiberBatchedUpdates(fn, bookkeeping); + } finally { + if ( + ((isNestingBatched = !1), + restoreTarget && + ((bookkeeping = restoreTarget), + (fn = restoreQueue), + (restoreQueue = restoreTarget = null), + restoreStateOfTarget(bookkeeping), + fn)) + ) + for (bookkeeping = 0; bookkeeping < fn.length; bookkeeping++) + restoreStateOfTarget(fn[bookkeeping]); + } +} +var injection$2 = { + injectFiberBatchedUpdates: function(_batchedUpdates) { + fiberBatchedUpdates = _batchedUpdates; + } + }, + ReactNativeTagHandles = { + tagsStartAt: 1, + tagCount: 1, + allocateTag: function() { + for (; this.reactTagIsNativeTopRootID(ReactNativeTagHandles.tagCount); ) + ReactNativeTagHandles.tagCount++; + var tag = ReactNativeTagHandles.tagCount; + ReactNativeTagHandles.tagCount++; + return tag; + }, + assertRootTag: function(tag) { + invariant( + this.reactTagIsNativeTopRootID(tag), + "Expect a native root tag, instead got %s", + tag + ); + }, + reactTagIsNativeTopRootID: function(reactTag) { + return 1 === reactTag % 10; + } + }, + EMPTY_NATIVE_EVENT = {}; +function _receiveRootNodeIDEvent(rootNodeID, topLevelType, nativeEventParam) { + var nativeEvent = nativeEventParam || EMPTY_NATIVE_EVENT, + inst = getInstanceFromTag(rootNodeID); + batchedUpdates(function() { + var events = nativeEvent.target; + for (var events$jscomp$0 = null, i = 0; i < plugins.length; i++) { + var possiblePlugin = plugins[i]; + possiblePlugin && + (possiblePlugin = possiblePlugin.extractEvents( + topLevelType, + inst, + nativeEvent, + events + )) && + (events$jscomp$0 = accumulateInto(events$jscomp$0, possiblePlugin)); + } + events = events$jscomp$0; + null !== events && (eventQueue = accumulateInto(eventQueue, events)); + events = eventQueue; + eventQueue = null; + events && + (forEachAccumulated(events, executeDispatchesAndReleaseTopLevel), + invariant( + !eventQueue, + "processEventQueue(): Additional events were enqueued while processing an event queue. Support for this has not yet been implemented." + ), + ReactErrorUtils.rethrowCaughtError()); + }); +} +var ReactNativeEventEmitter = Object.freeze({ + getListener: getListener, + registrationNames: registrationNameModules, + _receiveRootNodeIDEvent: _receiveRootNodeIDEvent, + receiveEvent: function(rootNodeID, topLevelType, nativeEventParam) { + _receiveRootNodeIDEvent(rootNodeID, topLevelType, nativeEventParam); + }, + receiveTouches: function(eventTopLevelType, touches, changedIndices) { + if ( + "topTouchEnd" === eventTopLevelType || + "topTouchCancel" === eventTopLevelType + ) { + var JSCompiler_temp = []; + for (var i = 0; i < changedIndices.length; i++) { + var index = changedIndices[i]; + JSCompiler_temp.push(touches[index]); + touches[index] = null; + } + for (i = changedIndices = 0; i < touches.length; i++) + (index = touches[i]), + null !== index && (touches[changedIndices++] = index); + touches.length = changedIndices; + } else + for (JSCompiler_temp = [], i = 0; i < changedIndices.length; i++) + JSCompiler_temp.push(touches[changedIndices[i]]); + for ( + changedIndices = 0; + changedIndices < JSCompiler_temp.length; + changedIndices++ + ) { + i = JSCompiler_temp[changedIndices]; + i.changedTouches = JSCompiler_temp; + i.touches = touches; + index = null; + var target = i.target; + null === target || + void 0 === target || + target < ReactNativeTagHandles.tagsStartAt || + (index = target); + _receiveRootNodeIDEvent(index, eventTopLevelType, i); + } + } +}); +RCTEventEmitter.register(ReactNativeEventEmitter); +injection.injectEventPluginOrder([ + "ResponderEventPlugin", + "ReactNativeBridgeEventPlugin" +]); +getFiberCurrentPropsFromNode = + ReactNativeComponentTree.getFiberCurrentPropsFromNode; +getInstanceFromNode = ReactNativeComponentTree.getInstanceFromNode; +getNodeFromInstance = ReactNativeComponentTree.getNodeFromInstance; +ResponderEventPlugin.injection.injectGlobalResponderHandler({ + onChange: function(from, to, blockNativeResponder) { + null !== to + ? UIManager.setJSResponder(to.stateNode._nativeTag, blockNativeResponder) + : UIManager.clearJSResponder(); + } +}); +injection.injectEventPluginsByName({ + ResponderEventPlugin: ResponderEventPlugin, + ReactNativeBridgeEventPlugin: ReactNativeBridgeEventPlugin +}); +var hasSymbol = "function" === typeof Symbol && Symbol["for"], + REACT_ELEMENT_TYPE = hasSymbol ? Symbol["for"]("react.element") : 60103, + REACT_CALL_TYPE = hasSymbol ? Symbol["for"]("react.call") : 60104, + REACT_RETURN_TYPE = hasSymbol ? Symbol["for"]("react.return") : 60105, + REACT_PORTAL_TYPE = hasSymbol ? Symbol["for"]("react.portal") : 60106, + REACT_FRAGMENT_TYPE = hasSymbol ? Symbol["for"]("react.fragment") : 60107, + REACT_STRICT_MODE_TYPE = hasSymbol + ? Symbol["for"]("react.strict_mode") + : 60108, + REACT_PROVIDER_TYPE = hasSymbol ? Symbol["for"]("react.provider") : 60109, + REACT_CONTEXT_TYPE = hasSymbol ? Symbol["for"]("react.context") : 60110, + MAYBE_ITERATOR_SYMBOL = "function" === typeof Symbol && Symbol.iterator; +function getIteratorFn(maybeIterable) { + if (null === maybeIterable || "undefined" === typeof maybeIterable) + return null; + maybeIterable = + (MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL]) || + maybeIterable["@@iterator"]; + return "function" === typeof maybeIterable ? maybeIterable : null; +} +function createPortal(children, containerInfo, implementation) { + var key = + 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : null; + return { + $$typeof: REACT_PORTAL_TYPE, + key: null == key ? null : "" + key, + children: children, + containerInfo: containerInfo, + implementation: implementation + }; +} +var TouchHistoryMath = { + centroidDimension: function( + touchHistory, + touchesChangedAfter, + isXAxis, + ofCurrent + ) { + var touchBank = touchHistory.touchBank, + total = 0, + count = 0; + touchHistory = + 1 === touchHistory.numberActiveTouches + ? touchHistory.touchBank[touchHistory.indexOfSingleActiveTouch] + : null; + if (null !== touchHistory) + touchHistory.touchActive && + touchHistory.currentTimeStamp > touchesChangedAfter && + ((total += + ofCurrent && isXAxis + ? touchHistory.currentPageX + : ofCurrent && !isXAxis + ? touchHistory.currentPageY + : !ofCurrent && isXAxis + ? touchHistory.previousPageX + : touchHistory.previousPageY), + (count = 1)); + else + for ( + touchHistory = 0; + touchHistory < touchBank.length; + touchHistory++ + ) { + var touchTrack = touchBank[touchHistory]; + null !== touchTrack && + void 0 !== touchTrack && + touchTrack.touchActive && + touchTrack.currentTimeStamp >= touchesChangedAfter && + ((total += + ofCurrent && isXAxis + ? touchTrack.currentPageX + : ofCurrent && !isXAxis + ? touchTrack.currentPageY + : !ofCurrent && isXAxis + ? touchTrack.previousPageX + : touchTrack.previousPageY), + count++); + } + return 0 < count ? total / count : TouchHistoryMath.noCentroid; + }, + currentCentroidXOfTouchesChangedAfter: function( + touchHistory, + touchesChangedAfter + ) { + return TouchHistoryMath.centroidDimension( + touchHistory, + touchesChangedAfter, + !0, + !0 + ); + }, + currentCentroidYOfTouchesChangedAfter: function( + touchHistory, + touchesChangedAfter + ) { + return TouchHistoryMath.centroidDimension( + touchHistory, + touchesChangedAfter, + !1, + !0 + ); + }, + previousCentroidXOfTouchesChangedAfter: function( + touchHistory, + touchesChangedAfter + ) { + return TouchHistoryMath.centroidDimension( + touchHistory, + touchesChangedAfter, + !0, + !1 + ); + }, + previousCentroidYOfTouchesChangedAfter: function( + touchHistory, + touchesChangedAfter + ) { + return TouchHistoryMath.centroidDimension( + touchHistory, + touchesChangedAfter, + !1, + !1 + ); + }, + currentCentroidX: function(touchHistory) { + return TouchHistoryMath.centroidDimension(touchHistory, 0, !0, !0); + }, + currentCentroidY: function(touchHistory) { + return TouchHistoryMath.centroidDimension(touchHistory, 0, !1, !0); + }, + noCentroid: -1 + }, + ReactCurrentOwner = + React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED.ReactCurrentOwner, + ReactGlobalSharedState = Object.freeze({ + ReactCurrentOwner: ReactCurrentOwner, + ReactDebugCurrentFrame: null + }), + objects = {}, + uniqueID = 1, + emptyObject$2 = {}, + ReactNativePropRegistry = (function() { + function ReactNativePropRegistry() { + if (!(this instanceof ReactNativePropRegistry)) + throw new TypeError("Cannot call a class as a function"); + } + ReactNativePropRegistry.register = function(object) { + var id = ++uniqueID; + objects[id] = object; + return id; + }; + ReactNativePropRegistry.getByID = function(id) { + if (!id) return emptyObject$2; + var object = objects[id]; + return object + ? object + : (console.warn("Invalid style with id `" + id + "`. Skipping ..."), + emptyObject$2); + }; + return ReactNativePropRegistry; + })(), + emptyObject$1 = {}, + removedKeys = null, + removedKeyCount = 0; +function resolveObject(idOrObject) { + return "number" === typeof idOrObject + ? ReactNativePropRegistry.getByID(idOrObject) + : idOrObject; +} +function restoreDeletedValuesInNestedArray( + updatePayload, + node, + validAttributes +) { + if (Array.isArray(node)) + for (var i = node.length; i-- && 0 < removedKeyCount; ) + restoreDeletedValuesInNestedArray( + updatePayload, + node[i], + validAttributes + ); + else if (node && 0 < removedKeyCount) + for (i in ((node = resolveObject(node)), removedKeys)) + if (removedKeys[i]) { + var _nextProp = node[i]; + if (void 0 !== _nextProp) { + var attributeConfig = validAttributes[i]; + if (attributeConfig) { + "function" === typeof _nextProp && (_nextProp = !0); + "undefined" === typeof _nextProp && (_nextProp = null); + if ("object" !== typeof attributeConfig) + updatePayload[i] = _nextProp; + else if ( + "function" === typeof attributeConfig.diff || + "function" === typeof attributeConfig.process + ) + (_nextProp = + "function" === typeof attributeConfig.process + ? attributeConfig.process(_nextProp) + : _nextProp), + (updatePayload[i] = _nextProp); + removedKeys[i] = !1; + removedKeyCount--; + } + } + } +} +function diffNestedProperty( + updatePayload, + prevProp, + nextProp, + validAttributes +) { + if (!updatePayload && prevProp === nextProp) return updatePayload; + if (!prevProp || !nextProp) + return nextProp + ? addNestedProperty(updatePayload, nextProp, validAttributes) + : prevProp + ? clearNestedProperty(updatePayload, prevProp, validAttributes) + : updatePayload; + if (!Array.isArray(prevProp) && !Array.isArray(nextProp)) + return diffProperties( + updatePayload, + resolveObject(prevProp), + resolveObject(nextProp), + validAttributes + ); + if (Array.isArray(prevProp) && Array.isArray(nextProp)) { + var minLength = + prevProp.length < nextProp.length ? prevProp.length : nextProp.length, + i; + for (i = 0; i < minLength; i++) + updatePayload = diffNestedProperty( + updatePayload, + prevProp[i], + nextProp[i], + validAttributes + ); + for (; i < prevProp.length; i++) + updatePayload = clearNestedProperty( + updatePayload, + prevProp[i], + validAttributes + ); + for (; i < nextProp.length; i++) + updatePayload = addNestedProperty( + updatePayload, + nextProp[i], + validAttributes + ); + return updatePayload; + } + return Array.isArray(prevProp) + ? diffProperties( + updatePayload, + flattenStyle(prevProp), + resolveObject(nextProp), + validAttributes + ) + : diffProperties( + updatePayload, + resolveObject(prevProp), + flattenStyle(nextProp), + validAttributes + ); +} +function addNestedProperty(updatePayload, nextProp, validAttributes) { + if (!nextProp) return updatePayload; + if (!Array.isArray(nextProp)) + return ( + (nextProp = resolveObject(nextProp)), + diffProperties(updatePayload, emptyObject$1, nextProp, validAttributes) + ); + for (var i = 0; i < nextProp.length; i++) + updatePayload = addNestedProperty( + updatePayload, + nextProp[i], + validAttributes + ); + return updatePayload; +} +function clearNestedProperty(updatePayload, prevProp, validAttributes) { + if (!prevProp) return updatePayload; + if (!Array.isArray(prevProp)) + return ( + (prevProp = resolveObject(prevProp)), + diffProperties(updatePayload, prevProp, emptyObject$1, validAttributes) + ); + for (var i = 0; i < prevProp.length; i++) + updatePayload = clearNestedProperty( + updatePayload, + prevProp[i], + validAttributes + ); + return updatePayload; +} +function diffProperties(updatePayload, prevProps, nextProps, validAttributes) { + var attributeConfig, propKey; + for (propKey in nextProps) + if ((attributeConfig = validAttributes[propKey])) { + var prevProp = prevProps[propKey]; + var nextProp = nextProps[propKey]; + "function" === typeof nextProp && + ((nextProp = !0), "function" === typeof prevProp && (prevProp = !0)); + "undefined" === typeof nextProp && + ((nextProp = null), + "undefined" === typeof prevProp && (prevProp = null)); + removedKeys && (removedKeys[propKey] = !1); + if (updatePayload && void 0 !== updatePayload[propKey]) + if ("object" !== typeof attributeConfig) + updatePayload[propKey] = nextProp; + else { + if ( + "function" === typeof attributeConfig.diff || + "function" === typeof attributeConfig.process + ) + (attributeConfig = + "function" === typeof attributeConfig.process + ? attributeConfig.process(nextProp) + : nextProp), + (updatePayload[propKey] = attributeConfig); + } + else if (prevProp !== nextProp) + if ("object" !== typeof attributeConfig) + ("object" !== typeof nextProp || + null === nextProp || + deepDiffer(prevProp, nextProp)) && + ((updatePayload || (updatePayload = {}))[propKey] = nextProp); + else if ( + "function" === typeof attributeConfig.diff || + "function" === typeof attributeConfig.process + ) { + if ( + void 0 === prevProp || + ("function" === typeof attributeConfig.diff + ? attributeConfig.diff(prevProp, nextProp) + : "object" !== typeof nextProp || + null === nextProp || + deepDiffer(prevProp, nextProp)) + ) + (attributeConfig = + "function" === typeof attributeConfig.process + ? attributeConfig.process(nextProp) + : nextProp), + ((updatePayload || (updatePayload = {}))[ + propKey + ] = attributeConfig); + } else + (removedKeys = null), + (removedKeyCount = 0), + (updatePayload = diffNestedProperty( + updatePayload, + prevProp, + nextProp, + attributeConfig + )), + 0 < removedKeyCount && + updatePayload && + (restoreDeletedValuesInNestedArray( + updatePayload, + nextProp, + attributeConfig + ), + (removedKeys = null)); + } + for (var _propKey in prevProps) + void 0 === nextProps[_propKey] && + (!(attributeConfig = validAttributes[_propKey]) || + (updatePayload && void 0 !== updatePayload[_propKey]) || + ((prevProp = prevProps[_propKey]), + void 0 !== prevProp && + ("object" !== typeof attributeConfig || + "function" === typeof attributeConfig.diff || + "function" === typeof attributeConfig.process + ? (((updatePayload || (updatePayload = {}))[_propKey] = null), + removedKeys || (removedKeys = {}), + removedKeys[_propKey] || + ((removedKeys[_propKey] = !0), removedKeyCount++)) + : (updatePayload = clearNestedProperty( + updatePayload, + prevProp, + attributeConfig + ))))); + return updatePayload; +} +function mountSafeCallback(context, callback) { + return function() { + if (callback) { + if ("boolean" === typeof context.__isMounted) { + if (!context.__isMounted) return; + } else if ( + "function" === typeof context.isMounted && + !context.isMounted() + ) + return; + return callback.apply(context, arguments); + } + }; +} +function getComponentName(fiber) { + fiber = fiber.type; + if ("function" === typeof fiber) return fiber.displayName || fiber.name; + if ("string" === typeof fiber) return fiber; + switch (fiber) { + case REACT_FRAGMENT_TYPE: + return "ReactFragment"; + case REACT_PORTAL_TYPE: + return "ReactPortal"; + case REACT_CALL_TYPE: + return "ReactCall"; + case REACT_RETURN_TYPE: + return "ReactReturn"; + } + return null; +} +function findHostInstanceFabric() { + return null; +} +function findNodeHandle(componentOrHandle) { + if (null == componentOrHandle) return null; + if ("number" === typeof componentOrHandle) return componentOrHandle; + var internalInstance = componentOrHandle._reactInternalFiber; + if (internalInstance) return findHostInstanceFabric(internalInstance); + if (componentOrHandle) return componentOrHandle; + invariant( + ("object" === typeof componentOrHandle && + "_nativeTag" in componentOrHandle) || + (null != componentOrHandle.render && + "function" === typeof componentOrHandle.render), + "findNodeHandle(...): Argument is not a component (type: %s, keys: %s)", + typeof componentOrHandle, + Object.keys(componentOrHandle) + ); + invariant( + !1, + "findNodeHandle(...): Unable to find node handle for unmounted component." + ); +} +function findNumericNodeHandleFiber(componentOrHandle) { + componentOrHandle = findNodeHandle(componentOrHandle); + return null == componentOrHandle || "number" === typeof componentOrHandle + ? componentOrHandle + : componentOrHandle._nativeTag; +} +function _inherits(subClass, superClass) { + if ("function" !== typeof superClass && null !== superClass) + throw new TypeError( + "Super expression must either be null or a function, not " + + typeof superClass + ); + subClass.prototype = Object.create(superClass && superClass.prototype, { + constructor: { + value: subClass, + enumerable: !1, + writable: !0, + configurable: !0 + } + }); + superClass && + (Object.setPrototypeOf + ? Object.setPrototypeOf(subClass, superClass) + : (subClass.__proto__ = superClass)); +} +var ReactNativeComponent = (function(_React$Component) { + function ReactNativeComponent() { + if (!(this instanceof ReactNativeComponent)) + throw new TypeError("Cannot call a class as a function"); + var call = _React$Component.apply(this, arguments); + if (!this) + throw new ReferenceError( + "this hasn't been initialised - super() hasn't been called" + ); + return !call || ("object" !== typeof call && "function" !== typeof call) + ? this + : call; + } + _inherits(ReactNativeComponent, _React$Component); + ReactNativeComponent.prototype.blur = function() { + TextInputState.blurTextInput(findNumericNodeHandleFiber(this)); + }; + ReactNativeComponent.prototype.focus = function() { + TextInputState.focusTextInput(findNumericNodeHandleFiber(this)); + }; + ReactNativeComponent.prototype.measure = function(callback) { + UIManager.measure( + findNumericNodeHandleFiber(this), + mountSafeCallback(this, callback) + ); + }; + ReactNativeComponent.prototype.measureInWindow = function(callback) { + UIManager.measureInWindow( + findNumericNodeHandleFiber(this), + mountSafeCallback(this, callback) + ); + }; + ReactNativeComponent.prototype.measureLayout = function( + relativeToNativeNode, + onSuccess, + onFail + ) { + UIManager.measureLayout( + findNumericNodeHandleFiber(this), + relativeToNativeNode, + mountSafeCallback(this, onFail), + mountSafeCallback(this, onSuccess) + ); + }; + ReactNativeComponent.prototype.setNativeProps = function(nativeProps) { + var maybeInstance = void 0; + try { + maybeInstance = findNodeHandle(this); + } catch (error) {} + if (null != maybeInstance) { + var viewConfig = + maybeInstance.viewConfig || maybeInstance.canonical.viewConfig; + nativeProps = diffProperties( + null, + emptyObject$1, + nativeProps, + viewConfig.validAttributes + ); + null != nativeProps && + UIManager.updateView( + maybeInstance._nativeTag, + viewConfig.uiViewClassName, + nativeProps + ); + } + }; + return ReactNativeComponent; + })(React.Component), + now = + "object" === typeof performance && "function" === typeof performance.now + ? function() { + return performance.now(); + } + : function() { + return Date.now(); + }, + scheduledCallback = null, + frameDeadline = 0, + frameDeadlineObject = { + timeRemaining: function() { + return frameDeadline - now(); + } + }; +function setTimeoutCallback() { + frameDeadline = now() + 5; + var callback = scheduledCallback; + scheduledCallback = null; + null !== callback && callback(frameDeadlineObject); +} +var viewConfigCallbacks = new Map(), + viewConfigs = new Map(); +function isFiberMountedImpl(fiber) { + var node = fiber; + if (fiber.alternate) for (; node["return"]; ) node = node["return"]; + else { + if (0 !== (node.effectTag & 2)) return 1; + for (; node["return"]; ) + if (((node = node["return"]), 0 !== (node.effectTag & 2))) return 1; + } + return 3 === node.tag ? 2 : 3; +} +function isMounted(component) { + return (component = component._reactInternalFiber) + ? 2 === isFiberMountedImpl(component) + : !1; +} +function assertIsMounted(fiber) { + invariant( + 2 === isFiberMountedImpl(fiber), + "Unable to find node on an unmounted component." + ); +} +function findCurrentFiberUsingSlowPath(fiber) { + var alternate = fiber.alternate; + if (!alternate) + return ( + (alternate = isFiberMountedImpl(fiber)), + invariant( + 3 !== alternate, + "Unable to find node on an unmounted component." + ), + 1 === alternate ? null : fiber + ); + for (var a = fiber, b = alternate; ; ) { + var parentA = a["return"], + parentB = parentA ? parentA.alternate : null; + if (!parentA || !parentB) break; + if (parentA.child === parentB.child) { + for (var child = parentA.child; child; ) { + if (child === a) return assertIsMounted(parentA), fiber; + if (child === b) return assertIsMounted(parentA), alternate; + child = child.sibling; + } + invariant(!1, "Unable to find node on an unmounted component."); + } + if (a["return"] !== b["return"]) (a = parentA), (b = parentB); + else { + child = !1; + for (var _child = parentA.child; _child; ) { + if (_child === a) { + child = !0; + a = parentA; + b = parentB; + break; + } + if (_child === b) { + child = !0; + b = parentA; + a = parentB; + break; + } + _child = _child.sibling; + } + if (!child) { + for (_child = parentB.child; _child; ) { + if (_child === a) { + child = !0; + a = parentB; + b = parentA; + break; + } + if (_child === b) { + child = !0; + b = parentB; + a = parentA; + break; + } + _child = _child.sibling; + } + invariant( + child, + "Child was not found in either parent set. This indicates a bug in React related to the return pointer. Please file an issue." + ); + } + } + invariant( + a.alternate === b, + "Return fibers should always be each others' alternates. This error is likely caused by a bug in React. Please file an issue." + ); + } + invariant(3 === a.tag, "Unable to find node on an unmounted component."); + return a.stateNode.current === a ? fiber : alternate; +} +function findCurrentHostFiber(parent) { + parent = findCurrentFiberUsingSlowPath(parent); + if (!parent) return null; + for (var node = parent; ; ) { + if (5 === node.tag || 6 === node.tag) return node; + if (node.child) (node.child["return"] = node), (node = node.child); + else { + if (node === parent) break; + for (; !node.sibling; ) { + if (!node["return"] || node["return"] === parent) return null; + node = node["return"]; + } + node.sibling["return"] = node["return"]; + node = node.sibling; + } + } + return null; +} +function findCurrentHostFiberWithNoPortals(parent) { + parent = findCurrentFiberUsingSlowPath(parent); + if (!parent) return null; + for (var node = parent; ; ) { + if (5 === node.tag || 6 === node.tag) return node; + if (node.child && 4 !== node.tag) + (node.child["return"] = node), (node = node.child); + else { + if (node === parent) break; + for (; !node.sibling; ) { + if (!node["return"] || node["return"] === parent) return null; + node = node["return"]; + } + node.sibling["return"] = node["return"]; + node = node.sibling; + } + } + return null; +} +var valueStack = [], + index = -1; +function pop(cursor) { + 0 > index || + ((cursor.current = valueStack[index]), (valueStack[index] = null), index--); +} +function push(cursor, value) { + index++; + valueStack[index] = cursor.current; + cursor.current = value; +} +new Set(); +var contextStackCursor = { current: emptyObject }, + didPerformWorkStackCursor = { current: !1 }, + previousContext = emptyObject; +function getUnmaskedContext(workInProgress) { + return isContextProvider(workInProgress) + ? previousContext + : contextStackCursor.current; +} +function getMaskedContext(workInProgress, unmaskedContext) { + var contextTypes = workInProgress.type.contextTypes; + if (!contextTypes) return emptyObject; + var instance = workInProgress.stateNode; + if ( + instance && + instance.__reactInternalMemoizedUnmaskedChildContext === unmaskedContext + ) + return instance.__reactInternalMemoizedMaskedChildContext; + var context = {}, + key; + for (key in contextTypes) context[key] = unmaskedContext[key]; + instance && + ((workInProgress = workInProgress.stateNode), + (workInProgress.__reactInternalMemoizedUnmaskedChildContext = unmaskedContext), + (workInProgress.__reactInternalMemoizedMaskedChildContext = context)); + return context; +} +function isContextProvider(fiber) { + return 2 === fiber.tag && null != fiber.type.childContextTypes; +} +function popContextProvider(fiber) { + isContextProvider(fiber) && + (pop(didPerformWorkStackCursor, fiber), pop(contextStackCursor, fiber)); +} +function pushTopLevelContextObject(fiber, context, didChange) { + invariant( + null == contextStackCursor.cursor, + "Unexpected context found on stack. This error is likely caused by a bug in React. Please file an issue." + ); + push(contextStackCursor, context, fiber); + push(didPerformWorkStackCursor, didChange, fiber); +} +function processChildContext(fiber, parentContext) { + var instance = fiber.stateNode, + childContextTypes = fiber.type.childContextTypes; + if ("function" !== typeof instance.getChildContext) return parentContext; + instance = instance.getChildContext(); + for (var contextKey in instance) + invariant( + contextKey in childContextTypes, + '%s.getChildContext(): key "%s" is not defined in childContextTypes.', + getComponentName(fiber) || "Unknown", + contextKey + ); + return Object.assign({}, parentContext, instance); +} +function pushContextProvider(workInProgress) { + if (!isContextProvider(workInProgress)) return !1; + var instance = workInProgress.stateNode; + instance = + (instance && instance.__reactInternalMemoizedMergedChildContext) || + emptyObject; + previousContext = contextStackCursor.current; + push(contextStackCursor, instance, workInProgress); + push( + didPerformWorkStackCursor, + didPerformWorkStackCursor.current, + workInProgress + ); + return !0; +} +function invalidateContextProvider(workInProgress, didChange) { + var instance = workInProgress.stateNode; + invariant( + instance, + "Expected to have an instance by this point. This error is likely caused by a bug in React. Please file an issue." + ); + if (didChange) { + var mergedContext = processChildContext(workInProgress, previousContext); + instance.__reactInternalMemoizedMergedChildContext = mergedContext; + pop(didPerformWorkStackCursor, workInProgress); + pop(contextStackCursor, workInProgress); + push(contextStackCursor, mergedContext, workInProgress); + } else pop(didPerformWorkStackCursor, workInProgress); + push(didPerformWorkStackCursor, didChange, workInProgress); +} +function FiberNode(tag, pendingProps, key, internalContextTag) { + this.tag = tag; + this.key = key; + this.stateNode = this.type = null; + this.sibling = this.child = this["return"] = null; + this.index = 0; + this.ref = null; + this.pendingProps = pendingProps; + this.memoizedState = this.updateQueue = this.memoizedProps = null; + this.internalContextTag = internalContextTag; + this.effectTag = 0; + this.lastEffect = this.firstEffect = this.nextEffect = null; + this.expirationTime = 0; + this.alternate = null; +} +function createWorkInProgress(current, pendingProps, expirationTime) { + var workInProgress = current.alternate; + null === workInProgress + ? ((workInProgress = new FiberNode( + current.tag, + pendingProps, + current.key, + current.internalContextTag + )), + (workInProgress.type = current.type), + (workInProgress.stateNode = current.stateNode), + (workInProgress.alternate = current), + (current.alternate = workInProgress)) + : ((workInProgress.pendingProps = pendingProps), + (workInProgress.effectTag = 0), + (workInProgress.nextEffect = null), + (workInProgress.firstEffect = null), + (workInProgress.lastEffect = null)); + workInProgress.expirationTime = expirationTime; + workInProgress.child = current.child; + workInProgress.memoizedProps = current.memoizedProps; + workInProgress.memoizedState = current.memoizedState; + workInProgress.updateQueue = current.updateQueue; + workInProgress.sibling = current.sibling; + workInProgress.index = current.index; + workInProgress.ref = current.ref; + return workInProgress; +} +function createFiberFromElement(element, internalContextTag, expirationTime) { + var type = element.type, + key = element.key; + element = element.props; + var fiberTag = void 0; + if ("function" === typeof type) + fiberTag = type.prototype && type.prototype.isReactComponent ? 2 : 0; + else if ("string" === typeof type) fiberTag = 5; + else + switch (type) { + case REACT_FRAGMENT_TYPE: + return createFiberFromFragment( + element.children, + internalContextTag, + expirationTime, + key + ); + case REACT_STRICT_MODE_TYPE: + fiberTag = 11; + internalContextTag |= 2; + break; + case REACT_CALL_TYPE: + fiberTag = 7; + break; + case REACT_RETURN_TYPE: + fiberTag = 9; + break; + default: + if ("object" === typeof type && null !== type) + switch (type.$$typeof) { + case REACT_PROVIDER_TYPE: + fiberTag = 13; + break; + case REACT_CONTEXT_TYPE: + fiberTag = 12; + break; + default: + if ("number" === typeof type.tag) + return ( + (internalContextTag = type), + (internalContextTag.pendingProps = element), + (internalContextTag.expirationTime = expirationTime), + internalContextTag + ); + throwOnInvalidElementType(type, null); + } + else throwOnInvalidElementType(type, null); + } + internalContextTag = new FiberNode( + fiberTag, + element, + key, + internalContextTag + ); + internalContextTag.type = type; + internalContextTag.expirationTime = expirationTime; + return internalContextTag; +} +function throwOnInvalidElementType(type) { + invariant( + !1, + "Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: %s.%s", + null == type ? type : typeof type, + "" + ); +} +function createFiberFromFragment( + elements, + internalContextTag, + expirationTime, + key +) { + elements = new FiberNode(10, elements, key, internalContextTag); + elements.expirationTime = expirationTime; + return elements; +} +function createFiberFromText(content, internalContextTag, expirationTime) { + content = new FiberNode(6, content, null, internalContextTag); + content.expirationTime = expirationTime; + return content; +} +function createFiberFromPortal(portal, internalContextTag, expirationTime) { + internalContextTag = new FiberNode( + 4, + null !== portal.children ? portal.children : [], + portal.key, + internalContextTag + ); + internalContextTag.expirationTime = expirationTime; + internalContextTag.stateNode = { + containerInfo: portal.containerInfo, + pendingChildren: null, + implementation: portal.implementation + }; + return internalContextTag; +} +var onCommitFiberRoot = null, + onCommitFiberUnmount = null; +function catchErrors(fn) { + return function(arg) { + try { + return fn(arg); + } catch (err) {} + }; +} +function injectInternals(internals) { + if ("undefined" === typeof __REACT_DEVTOOLS_GLOBAL_HOOK__) return !1; + var hook = __REACT_DEVTOOLS_GLOBAL_HOOK__; + if (hook.isDisabled || !hook.supportsFiber) return !0; + try { + var rendererID = hook.inject(internals); + onCommitFiberRoot = catchErrors(function(root) { + return hook.onCommitFiberRoot(rendererID, root); + }); + onCommitFiberUnmount = catchErrors(function(fiber) { + return hook.onCommitFiberUnmount(rendererID, fiber); + }); + } catch (err) {} + return !0; +} +function onCommitRoot(root) { + "function" === typeof onCommitFiberRoot && onCommitFiberRoot(root); +} +function onCommitUnmount(fiber) { + "function" === typeof onCommitFiberUnmount && onCommitFiberUnmount(fiber); +} +function createUpdateQueue(baseState) { + return { + baseState: baseState, + expirationTime: 0, + first: null, + last: null, + callbackList: null, + hasForceUpdate: !1, + isInitialized: !1 + }; +} +function insertUpdateIntoQueue(queue, update) { + null === queue.last + ? (queue.first = queue.last = update) + : ((queue.last.next = update), (queue.last = update)); + if ( + 0 === queue.expirationTime || + queue.expirationTime > update.expirationTime + ) + queue.expirationTime = update.expirationTime; +} +function insertUpdateIntoFiber(fiber, update) { + var alternateFiber = fiber.alternate, + queue1 = fiber.updateQueue; + null === queue1 && (queue1 = fiber.updateQueue = createUpdateQueue(null)); + null !== alternateFiber + ? ((fiber = alternateFiber.updateQueue), + null === fiber && + (fiber = alternateFiber.updateQueue = createUpdateQueue(null))) + : (fiber = null); + fiber = fiber !== queue1 ? fiber : null; + null === fiber + ? insertUpdateIntoQueue(queue1, update) + : null === queue1.last || null === fiber.last + ? (insertUpdateIntoQueue(queue1, update), + insertUpdateIntoQueue(fiber, update)) + : (insertUpdateIntoQueue(queue1, update), (fiber.last = update)); +} +function getStateFromUpdate(update, instance, prevState, props) { + update = update.partialState; + return "function" === typeof update + ? update.call(instance, prevState, props) + : update; +} +function processUpdateQueue( + current, + workInProgress, + queue, + instance, + props, + renderExpirationTime +) { + null !== current && + current.updateQueue === queue && + (queue = workInProgress.updateQueue = { + baseState: queue.baseState, + expirationTime: queue.expirationTime, + first: queue.first, + last: queue.last, + isInitialized: queue.isInitialized, + callbackList: null, + hasForceUpdate: !1 + }); + queue.expirationTime = 0; + queue.isInitialized + ? (current = queue.baseState) + : ((current = queue.baseState = workInProgress.memoizedState), + (queue.isInitialized = !0)); + for ( + var dontMutatePrevState = !0, update = queue.first, didSkip = !1; + null !== update; + + ) { + var updateExpirationTime = update.expirationTime; + if (updateExpirationTime > renderExpirationTime) { + var remainingExpirationTime = queue.expirationTime; + if ( + 0 === remainingExpirationTime || + remainingExpirationTime > updateExpirationTime + ) + queue.expirationTime = updateExpirationTime; + didSkip || ((didSkip = !0), (queue.baseState = current)); + } else { + didSkip || + ((queue.first = update.next), + null === queue.first && (queue.last = null)); + if (update.isReplace) + (current = getStateFromUpdate(update, instance, current, props)), + (dontMutatePrevState = !0); + else if ( + (updateExpirationTime = getStateFromUpdate( + update, + instance, + current, + props + )) + ) + (current = dontMutatePrevState + ? Object.assign({}, current, updateExpirationTime) + : Object.assign(current, updateExpirationTime)), + (dontMutatePrevState = !1); + update.isForced && (queue.hasForceUpdate = !0); + null !== update.callback && + ((updateExpirationTime = queue.callbackList), + null === updateExpirationTime && + (updateExpirationTime = queue.callbackList = []), + updateExpirationTime.push(update)); + } + update = update.next; + } + null !== queue.callbackList + ? (workInProgress.effectTag |= 32) + : null !== queue.first || + queue.hasForceUpdate || + (workInProgress.updateQueue = null); + didSkip || (queue.baseState = current); + return current; +} +function commitCallbacks(queue, context) { + var callbackList = queue.callbackList; + if (null !== callbackList) + for ( + queue.callbackList = null, queue = 0; + queue < callbackList.length; + queue++ + ) { + var update = callbackList[queue], + _callback = update.callback; + update.callback = null; + invariant( + "function" === typeof _callback, + "Invalid argument passed as callback. Expected a function. Instead received: %s", + _callback + ); + _callback.call(context); + } +} +function ReactFiberClassComponent( + scheduleWork, + computeExpirationForFiber, + memoizeProps, + memoizeState +) { + function adoptClassInstance(workInProgress, instance) { + instance.updater = updater; + workInProgress.stateNode = instance; + instance._reactInternalFiber = workInProgress; + } + function callGetDerivedStateFromProps(workInProgress, instance, props) { + instance = workInProgress.type; + if ("function" === typeof instance.getDerivedStateFromProps) + return instance.getDerivedStateFromProps.call( + null, + props, + workInProgress.memoizedState + ); + } + var updater = { + isMounted: isMounted, + enqueueSetState: function(instance, partialState, callback) { + instance = instance._reactInternalFiber; + callback = void 0 === callback ? null : callback; + var expirationTime = computeExpirationForFiber(instance); + insertUpdateIntoFiber(instance, { + expirationTime: expirationTime, + partialState: partialState, + callback: callback, + isReplace: !1, + isForced: !1, + nextCallback: null, + next: null + }); + scheduleWork(instance, expirationTime); + }, + enqueueReplaceState: function(instance, state, callback) { + instance = instance._reactInternalFiber; + callback = void 0 === callback ? null : callback; + var expirationTime = computeExpirationForFiber(instance); + insertUpdateIntoFiber(instance, { + expirationTime: expirationTime, + partialState: state, + callback: callback, + isReplace: !0, + isForced: !1, + nextCallback: null, + next: null + }); + scheduleWork(instance, expirationTime); + }, + enqueueForceUpdate: function(instance, callback) { + instance = instance._reactInternalFiber; + callback = void 0 === callback ? null : callback; + var expirationTime = computeExpirationForFiber(instance); + insertUpdateIntoFiber(instance, { + expirationTime: expirationTime, + partialState: null, + callback: callback, + isReplace: !1, + isForced: !0, + nextCallback: null, + next: null + }); + scheduleWork(instance, expirationTime); + } + }; + return { + adoptClassInstance: adoptClassInstance, + callGetDerivedStateFromProps: callGetDerivedStateFromProps, + constructClassInstance: function(workInProgress, props) { + var ctor = workInProgress.type, + unmaskedContext = getUnmaskedContext(workInProgress), + needsContext = + 2 === workInProgress.tag && null != workInProgress.type.contextTypes, + context = needsContext + ? getMaskedContext(workInProgress, unmaskedContext) + : emptyObject; + ctor = new ctor(props, context); + var state = + null !== ctor.state && void 0 !== ctor.state ? ctor.state : null; + adoptClassInstance(workInProgress, ctor); + workInProgress.memoizedState = state; + props = callGetDerivedStateFromProps(workInProgress, ctor, props); + null !== props && + void 0 !== props && + (workInProgress.memoizedState = Object.assign( + {}, + workInProgress.memoizedState, + props + )); + needsContext && + ((workInProgress = workInProgress.stateNode), + (workInProgress.__reactInternalMemoizedUnmaskedChildContext = unmaskedContext), + (workInProgress.__reactInternalMemoizedMaskedChildContext = context)); + return ctor; + }, + mountClassInstance: function(workInProgress, renderExpirationTime) { + var current = workInProgress.alternate, + instance = workInProgress.stateNode, + props = workInProgress.pendingProps, + unmaskedContext = getUnmaskedContext(workInProgress); + instance.props = props; + instance.state = workInProgress.memoizedState; + instance.refs = emptyObject; + instance.context = getMaskedContext(workInProgress, unmaskedContext); + null != workInProgress.type && + null != workInProgress.type.prototype && + !0 === workInProgress.type.prototype.unstable_isAsyncReactComponent && + ((workInProgress.internalContextTag |= 1), + (workInProgress.internalContextTag |= 2)); + ("function" !== typeof instance.UNSAFE_componentWillMount && + "function" !== typeof instance.componentWillMount) || + "function" === typeof workInProgress.type.getDerivedStateFromProps || + ((unmaskedContext = instance.state), + "function" === typeof instance.componentWillMount + ? instance.componentWillMount() + : instance.UNSAFE_componentWillMount(), + unmaskedContext !== instance.state && + updater.enqueueReplaceState(instance, instance.state, null), + (unmaskedContext = workInProgress.updateQueue), + null !== unmaskedContext && + (instance.state = processUpdateQueue( + current, + workInProgress, + unmaskedContext, + instance, + props, + renderExpirationTime + ))); + "function" === typeof instance.componentDidMount && + (workInProgress.effectTag |= 4); + }, + updateClassInstance: function( + current, + workInProgress, + renderExpirationTime + ) { + var instance = workInProgress.stateNode; + instance.props = workInProgress.memoizedProps; + instance.state = workInProgress.memoizedState; + var oldProps = workInProgress.memoizedProps, + newProps = workInProgress.pendingProps, + oldContext = instance.context, + newUnmaskedContext = getUnmaskedContext(workInProgress); + newUnmaskedContext = getMaskedContext(workInProgress, newUnmaskedContext); + ("function" !== typeof instance.UNSAFE_componentWillReceiveProps && + "function" !== typeof instance.componentWillReceiveProps) || + "function" === typeof workInProgress.type.getDerivedStateFromProps || + (oldProps === newProps && oldContext === newUnmaskedContext) || + ((oldContext = instance.state), + "function" === typeof instance.componentWillReceiveProps + ? instance.componentWillReceiveProps(newProps, newUnmaskedContext) + : instance.UNSAFE_componentWillReceiveProps( + newProps, + newUnmaskedContext + ), + instance.state !== oldContext && + updater.enqueueReplaceState(instance, instance.state, null)); + var partialState = void 0; + oldProps !== newProps && + (partialState = callGetDerivedStateFromProps( + workInProgress, + instance, + newProps + )); + oldContext = workInProgress.memoizedState; + renderExpirationTime = + null !== workInProgress.updateQueue + ? processUpdateQueue( + current, + workInProgress, + workInProgress.updateQueue, + instance, + newProps, + renderExpirationTime + ) + : oldContext; + null !== partialState && + void 0 !== partialState && + (renderExpirationTime = + null === renderExpirationTime || void 0 === renderExpirationTime + ? partialState + : Object.assign({}, renderExpirationTime, partialState)); + if ( + !( + oldProps !== newProps || + oldContext !== renderExpirationTime || + didPerformWorkStackCursor.current || + (null !== workInProgress.updateQueue && + workInProgress.updateQueue.hasForceUpdate) + ) + ) + return ( + "function" !== typeof instance.componentDidUpdate || + (oldProps === current.memoizedProps && + oldContext === current.memoizedState) || + (workInProgress.effectTag |= 4), + !1 + ); + partialState = renderExpirationTime; + if ( + null === oldProps || + (null !== workInProgress.updateQueue && + workInProgress.updateQueue.hasForceUpdate) + ) + partialState = !0; + else { + var instance$jscomp$0 = workInProgress.stateNode, + type = workInProgress.type; + partialState = + "function" === typeof instance$jscomp$0.shouldComponentUpdate + ? instance$jscomp$0.shouldComponentUpdate( + newProps, + partialState, + newUnmaskedContext + ) + : type.prototype && type.prototype.isPureReactComponent + ? !shallowEqual(oldProps, newProps) || + !shallowEqual(oldContext, partialState) + : !0; + } + partialState + ? (("function" !== typeof instance.UNSAFE_componentWillUpdate && + "function" !== typeof instance.componentWillUpdate) || + "function" === + typeof workInProgress.type.getDerivedStateFromProps || + ("function" === typeof instance.componentWillUpdate + ? instance.componentWillUpdate( + newProps, + renderExpirationTime, + newUnmaskedContext + ) + : instance.UNSAFE_componentWillUpdate( + newProps, + renderExpirationTime, + newUnmaskedContext + )), + "function" === typeof instance.componentDidUpdate && + (workInProgress.effectTag |= 4)) + : ("function" !== typeof instance.componentDidUpdate || + (oldProps === current.memoizedProps && + oldContext === current.memoizedState) || + (workInProgress.effectTag |= 4), + memoizeProps(workInProgress, newProps), + memoizeState(workInProgress, renderExpirationTime)); + instance.props = newProps; + instance.state = renderExpirationTime; + instance.context = newUnmaskedContext; + return partialState; + } + }; +} +var isArray$1 = Array.isArray; +function coerceRef(current, element) { + var mixedRef = element.ref; + if (null !== mixedRef && "function" !== typeof mixedRef) { + if (element._owner) { + element = element._owner; + var inst = void 0; + element && + (invariant( + 2 === element.tag, + "Stateless function components cannot have refs." + ), + (inst = element.stateNode)); + invariant( + inst, + "Missing owner for string ref %s. This error is likely caused by a bug in React. Please file an issue.", + mixedRef + ); + var stringRef = "" + mixedRef; + if ( + null !== current && + null !== current.ref && + current.ref._stringRef === stringRef + ) + return current.ref; + current = function(value) { + var refs = inst.refs === emptyObject ? (inst.refs = {}) : inst.refs; + null === value ? delete refs[stringRef] : (refs[stringRef] = value); + }; + current._stringRef = stringRef; + return current; + } + invariant( + "string" === typeof mixedRef, + "Expected ref to be a function or a string." + ); + invariant( + element._owner, + "Element ref was specified as a string (%s) but no owner was set. This could happen for one of the following reasons:\n1. You may be adding a ref to a functional component\n2. You may be adding a ref to a component that was not created inside a component's render method\n3. You have multiple copies of React loaded\nSee https://fb.me/react-refs-must-have-owner for more information.", + mixedRef + ); + } + return mixedRef; +} +function throwOnInvalidObjectType(returnFiber, newChild) { + "textarea" !== returnFiber.type && + invariant( + !1, + "Objects are not valid as a React child (found: %s).%s", + "[object Object]" === Object.prototype.toString.call(newChild) + ? "object with keys {" + Object.keys(newChild).join(", ") + "}" + : newChild, + "" + ); +} +function ChildReconciler(shouldTrackSideEffects) { + function deleteChild(returnFiber, childToDelete) { + if (shouldTrackSideEffects) { + var last = returnFiber.lastEffect; + null !== last + ? ((last.nextEffect = childToDelete), + (returnFiber.lastEffect = childToDelete)) + : (returnFiber.firstEffect = returnFiber.lastEffect = childToDelete); + childToDelete.nextEffect = null; + childToDelete.effectTag = 8; + } + } + function deleteRemainingChildren(returnFiber, currentFirstChild) { + if (!shouldTrackSideEffects) return null; + for (; null !== currentFirstChild; ) + deleteChild(returnFiber, currentFirstChild), + (currentFirstChild = currentFirstChild.sibling); + return null; + } + function mapRemainingChildren(returnFiber, currentFirstChild) { + for (returnFiber = new Map(); null !== currentFirstChild; ) + null !== currentFirstChild.key + ? returnFiber.set(currentFirstChild.key, currentFirstChild) + : returnFiber.set(currentFirstChild.index, currentFirstChild), + (currentFirstChild = currentFirstChild.sibling); + return returnFiber; + } + function useFiber(fiber, pendingProps, expirationTime) { + fiber = createWorkInProgress(fiber, pendingProps, expirationTime); + fiber.index = 0; + fiber.sibling = null; + return fiber; + } + function placeChild(newFiber, lastPlacedIndex, newIndex) { + newFiber.index = newIndex; + if (!shouldTrackSideEffects) return lastPlacedIndex; + newIndex = newFiber.alternate; + if (null !== newIndex) + return ( + (newIndex = newIndex.index), + newIndex < lastPlacedIndex + ? ((newFiber.effectTag = 2), lastPlacedIndex) + : newIndex + ); + newFiber.effectTag = 2; + return lastPlacedIndex; + } + function placeSingleChild(newFiber) { + shouldTrackSideEffects && + null === newFiber.alternate && + (newFiber.effectTag = 2); + return newFiber; + } + function updateTextNode(returnFiber, current, textContent, expirationTime) { + if (null === current || 6 !== current.tag) + return ( + (current = createFiberFromText( + textContent, + returnFiber.internalContextTag, + expirationTime + )), + (current["return"] = returnFiber), + current + ); + current = useFiber(current, textContent, expirationTime); + current["return"] = returnFiber; + return current; + } + function updateElement(returnFiber, current, element, expirationTime) { + if (null !== current && current.type === element.type) + return ( + (expirationTime = useFiber(current, element.props, expirationTime)), + (expirationTime.ref = coerceRef(current, element)), + (expirationTime["return"] = returnFiber), + expirationTime + ); + expirationTime = createFiberFromElement( + element, + returnFiber.internalContextTag, + expirationTime + ); + expirationTime.ref = coerceRef(current, element); + expirationTime["return"] = returnFiber; + return expirationTime; + } + function updatePortal(returnFiber, current, portal, expirationTime) { + if ( + null === current || + 4 !== current.tag || + current.stateNode.containerInfo !== portal.containerInfo || + current.stateNode.implementation !== portal.implementation + ) + return ( + (current = createFiberFromPortal( + portal, + returnFiber.internalContextTag, + expirationTime + )), + (current["return"] = returnFiber), + current + ); + current = useFiber(current, portal.children || [], expirationTime); + current["return"] = returnFiber; + return current; + } + function updateFragment(returnFiber, current, fragment, expirationTime, key) { + if (null === current || 10 !== current.tag) + return ( + (current = createFiberFromFragment( + fragment, + returnFiber.internalContextTag, + expirationTime, + key + )), + (current["return"] = returnFiber), + current + ); + current = useFiber(current, fragment, expirationTime); + current["return"] = returnFiber; + return current; + } + function createChild(returnFiber, newChild, expirationTime) { + if ("string" === typeof newChild || "number" === typeof newChild) + return ( + (newChild = createFiberFromText( + "" + newChild, + returnFiber.internalContextTag, + expirationTime + )), + (newChild["return"] = returnFiber), + newChild + ); + if ("object" === typeof newChild && null !== newChild) { + switch (newChild.$$typeof) { + case REACT_ELEMENT_TYPE: + return ( + (expirationTime = createFiberFromElement( + newChild, + returnFiber.internalContextTag, + expirationTime + )), + (expirationTime.ref = coerceRef(null, newChild)), + (expirationTime["return"] = returnFiber), + expirationTime + ); + case REACT_PORTAL_TYPE: + return ( + (newChild = createFiberFromPortal( + newChild, + returnFiber.internalContextTag, + expirationTime + )), + (newChild["return"] = returnFiber), + newChild + ); + } + if (isArray$1(newChild) || getIteratorFn(newChild)) + return ( + (newChild = createFiberFromFragment( + newChild, + returnFiber.internalContextTag, + expirationTime, + null + )), + (newChild["return"] = returnFiber), + newChild + ); + throwOnInvalidObjectType(returnFiber, newChild); + } + return null; + } + function updateSlot(returnFiber, oldFiber, newChild, expirationTime) { + var key = null !== oldFiber ? oldFiber.key : null; + if ("string" === typeof newChild || "number" === typeof newChild) + return null !== key + ? null + : updateTextNode(returnFiber, oldFiber, "" + newChild, expirationTime); + if ("object" === typeof newChild && null !== newChild) { + switch (newChild.$$typeof) { + case REACT_ELEMENT_TYPE: + return newChild.key === key + ? newChild.type === REACT_FRAGMENT_TYPE + ? updateFragment( + returnFiber, + oldFiber, + newChild.props.children, + expirationTime, + key + ) + : updateElement(returnFiber, oldFiber, newChild, expirationTime) + : null; + case REACT_PORTAL_TYPE: + return newChild.key === key + ? updatePortal(returnFiber, oldFiber, newChild, expirationTime) + : null; + } + if (isArray$1(newChild) || getIteratorFn(newChild)) + return null !== key + ? null + : updateFragment( + returnFiber, + oldFiber, + newChild, + expirationTime, + null + ); + throwOnInvalidObjectType(returnFiber, newChild); + } + return null; + } + function updateFromMap( + existingChildren, + returnFiber, + newIdx, + newChild, + expirationTime + ) { + if ("string" === typeof newChild || "number" === typeof newChild) + return ( + (existingChildren = existingChildren.get(newIdx) || null), + updateTextNode( + returnFiber, + existingChildren, + "" + newChild, + expirationTime + ) + ); + if ("object" === typeof newChild && null !== newChild) { + switch (newChild.$$typeof) { + case REACT_ELEMENT_TYPE: + return ( + (existingChildren = + existingChildren.get( + null === newChild.key ? newIdx : newChild.key + ) || null), + newChild.type === REACT_FRAGMENT_TYPE + ? updateFragment( + returnFiber, + existingChildren, + newChild.props.children, + expirationTime, + newChild.key + ) + : updateElement( + returnFiber, + existingChildren, + newChild, + expirationTime + ) + ); + case REACT_PORTAL_TYPE: + return ( + (existingChildren = + existingChildren.get( + null === newChild.key ? newIdx : newChild.key + ) || null), + updatePortal( + returnFiber, + existingChildren, + newChild, + expirationTime + ) + ); + } + if (isArray$1(newChild) || getIteratorFn(newChild)) + return ( + (existingChildren = existingChildren.get(newIdx) || null), + updateFragment( + returnFiber, + existingChildren, + newChild, + expirationTime, + null + ) + ); + throwOnInvalidObjectType(returnFiber, newChild); + } + return null; + } + function reconcileChildrenArray( + returnFiber, + currentFirstChild, + newChildren, + expirationTime + ) { + for ( + var resultingFirstChild = null, + previousNewFiber = null, + oldFiber = currentFirstChild, + newIdx = (currentFirstChild = 0), + nextOldFiber = null; + null !== oldFiber && newIdx < newChildren.length; + newIdx++ + ) { + oldFiber.index > newIdx + ? ((nextOldFiber = oldFiber), (oldFiber = null)) + : (nextOldFiber = oldFiber.sibling); + var newFiber = updateSlot( + returnFiber, + oldFiber, + newChildren[newIdx], + expirationTime + ); + if (null === newFiber) { + null === oldFiber && (oldFiber = nextOldFiber); + break; + } + shouldTrackSideEffects && + oldFiber && + null === newFiber.alternate && + deleteChild(returnFiber, oldFiber); + currentFirstChild = placeChild(newFiber, currentFirstChild, newIdx); + null === previousNewFiber + ? (resultingFirstChild = newFiber) + : (previousNewFiber.sibling = newFiber); + previousNewFiber = newFiber; + oldFiber = nextOldFiber; + } + if (newIdx === newChildren.length) + return ( + deleteRemainingChildren(returnFiber, oldFiber), resultingFirstChild + ); + if (null === oldFiber) { + for (; newIdx < newChildren.length; newIdx++) + if ( + (oldFiber = createChild( + returnFiber, + newChildren[newIdx], + expirationTime + )) + ) + (currentFirstChild = placeChild(oldFiber, currentFirstChild, newIdx)), + null === previousNewFiber + ? (resultingFirstChild = oldFiber) + : (previousNewFiber.sibling = oldFiber), + (previousNewFiber = oldFiber); + return resultingFirstChild; + } + for ( + oldFiber = mapRemainingChildren(returnFiber, oldFiber); + newIdx < newChildren.length; + newIdx++ + ) + if ( + (nextOldFiber = updateFromMap( + oldFiber, + returnFiber, + newIdx, + newChildren[newIdx], + expirationTime + )) + ) { + if (shouldTrackSideEffects && null !== nextOldFiber.alternate) + oldFiber["delete"]( + null === nextOldFiber.key ? newIdx : nextOldFiber.key + ); + currentFirstChild = placeChild(nextOldFiber, currentFirstChild, newIdx); + null === previousNewFiber + ? (resultingFirstChild = nextOldFiber) + : (previousNewFiber.sibling = nextOldFiber); + previousNewFiber = nextOldFiber; + } + shouldTrackSideEffects && + oldFiber.forEach(function(child) { + return deleteChild(returnFiber, child); + }); + return resultingFirstChild; + } + function reconcileChildrenIterator( + returnFiber, + currentFirstChild, + newChildrenIterable, + expirationTime + ) { + var iteratorFn = getIteratorFn(newChildrenIterable); + invariant( + "function" === typeof iteratorFn, + "An object is not an iterable. This error is likely caused by a bug in React. Please file an issue." + ); + newChildrenIterable = iteratorFn.call(newChildrenIterable); + invariant( + null != newChildrenIterable, + "An iterable object provided no iterator." + ); + for ( + var previousNewFiber = (iteratorFn = null), + oldFiber = currentFirstChild, + newIdx = (currentFirstChild = 0), + nextOldFiber = null, + step = newChildrenIterable.next(); + null !== oldFiber && !step.done; + newIdx++, step = newChildrenIterable.next() + ) { + oldFiber.index > newIdx + ? ((nextOldFiber = oldFiber), (oldFiber = null)) + : (nextOldFiber = oldFiber.sibling); + var newFiber = updateSlot( + returnFiber, + oldFiber, + step.value, + expirationTime + ); + if (null === newFiber) { + oldFiber || (oldFiber = nextOldFiber); + break; + } + shouldTrackSideEffects && + oldFiber && + null === newFiber.alternate && + deleteChild(returnFiber, oldFiber); + currentFirstChild = placeChild(newFiber, currentFirstChild, newIdx); + null === previousNewFiber + ? (iteratorFn = newFiber) + : (previousNewFiber.sibling = newFiber); + previousNewFiber = newFiber; + oldFiber = nextOldFiber; + } + if (step.done) + return deleteRemainingChildren(returnFiber, oldFiber), iteratorFn; + if (null === oldFiber) { + for (; !step.done; newIdx++, step = newChildrenIterable.next()) + (step = createChild(returnFiber, step.value, expirationTime)), + null !== step && + ((currentFirstChild = placeChild(step, currentFirstChild, newIdx)), + null === previousNewFiber + ? (iteratorFn = step) + : (previousNewFiber.sibling = step), + (previousNewFiber = step)); + return iteratorFn; + } + for ( + oldFiber = mapRemainingChildren(returnFiber, oldFiber); + !step.done; + newIdx++, step = newChildrenIterable.next() + ) + if ( + ((step = updateFromMap( + oldFiber, + returnFiber, + newIdx, + step.value, + expirationTime + )), + null !== step) + ) { + if (shouldTrackSideEffects && null !== step.alternate) + oldFiber["delete"](null === step.key ? newIdx : step.key); + currentFirstChild = placeChild(step, currentFirstChild, newIdx); + null === previousNewFiber + ? (iteratorFn = step) + : (previousNewFiber.sibling = step); + previousNewFiber = step; + } + shouldTrackSideEffects && + oldFiber.forEach(function(child) { + return deleteChild(returnFiber, child); + }); + return iteratorFn; + } + return function(returnFiber, currentFirstChild, newChild, expirationTime) { + "object" === typeof newChild && + null !== newChild && + newChild.type === REACT_FRAGMENT_TYPE && + null === newChild.key && + (newChild = newChild.props.children); + var isObject = "object" === typeof newChild && null !== newChild; + if (isObject) + switch (newChild.$$typeof) { + case REACT_ELEMENT_TYPE: + a: { + var key = newChild.key; + for (isObject = currentFirstChild; null !== isObject; ) { + if (isObject.key === key) + if ( + 10 === isObject.tag + ? newChild.type === REACT_FRAGMENT_TYPE + : isObject.type === newChild.type + ) { + deleteRemainingChildren(returnFiber, isObject.sibling); + currentFirstChild = useFiber( + isObject, + newChild.type === REACT_FRAGMENT_TYPE + ? newChild.props.children + : newChild.props, + expirationTime + ); + currentFirstChild.ref = coerceRef(isObject, newChild); + currentFirstChild["return"] = returnFiber; + returnFiber = currentFirstChild; + break a; + } else { + deleteRemainingChildren(returnFiber, isObject); + break; + } + else deleteChild(returnFiber, isObject); + isObject = isObject.sibling; + } + newChild.type === REACT_FRAGMENT_TYPE + ? ((currentFirstChild = createFiberFromFragment( + newChild.props.children, + returnFiber.internalContextTag, + expirationTime, + newChild.key + )), + (currentFirstChild["return"] = returnFiber), + (returnFiber = currentFirstChild)) + : ((expirationTime = createFiberFromElement( + newChild, + returnFiber.internalContextTag, + expirationTime + )), + (expirationTime.ref = coerceRef(currentFirstChild, newChild)), + (expirationTime["return"] = returnFiber), + (returnFiber = expirationTime)); + } + return placeSingleChild(returnFiber); + case REACT_PORTAL_TYPE: + a: { + for (isObject = newChild.key; null !== currentFirstChild; ) { + if (currentFirstChild.key === isObject) + if ( + 4 === currentFirstChild.tag && + currentFirstChild.stateNode.containerInfo === + newChild.containerInfo && + currentFirstChild.stateNode.implementation === + newChild.implementation + ) { + deleteRemainingChildren( + returnFiber, + currentFirstChild.sibling + ); + currentFirstChild = useFiber( + currentFirstChild, + newChild.children || [], + expirationTime + ); + currentFirstChild["return"] = returnFiber; + returnFiber = currentFirstChild; + break a; + } else { + deleteRemainingChildren(returnFiber, currentFirstChild); + break; + } + else deleteChild(returnFiber, currentFirstChild); + currentFirstChild = currentFirstChild.sibling; + } + currentFirstChild = createFiberFromPortal( + newChild, + returnFiber.internalContextTag, + expirationTime + ); + currentFirstChild["return"] = returnFiber; + returnFiber = currentFirstChild; + } + return placeSingleChild(returnFiber); + } + if ("string" === typeof newChild || "number" === typeof newChild) + return ( + (newChild = "" + newChild), + null !== currentFirstChild && 6 === currentFirstChild.tag + ? (deleteRemainingChildren(returnFiber, currentFirstChild.sibling), + (currentFirstChild = useFiber( + currentFirstChild, + newChild, + expirationTime + ))) + : (deleteRemainingChildren(returnFiber, currentFirstChild), + (currentFirstChild = createFiberFromText( + newChild, + returnFiber.internalContextTag, + expirationTime + ))), + (currentFirstChild["return"] = returnFiber), + (returnFiber = currentFirstChild), + placeSingleChild(returnFiber) + ); + if (isArray$1(newChild)) + return reconcileChildrenArray( + returnFiber, + currentFirstChild, + newChild, + expirationTime + ); + if (getIteratorFn(newChild)) + return reconcileChildrenIterator( + returnFiber, + currentFirstChild, + newChild, + expirationTime + ); + isObject && throwOnInvalidObjectType(returnFiber, newChild); + if ("undefined" === typeof newChild) + switch (returnFiber.tag) { + case 2: + case 1: + (expirationTime = returnFiber.type), + invariant( + !1, + "%s(...): Nothing was returned from render. This usually means a return statement is missing. Or, to render nothing, return null.", + expirationTime.displayName || expirationTime.name || "Component" + ); + } + return deleteRemainingChildren(returnFiber, currentFirstChild); + }; +} +var reconcileChildFibers = ChildReconciler(!0), + mountChildFibers = ChildReconciler(!1), + stack = [], + index$1 = -1; +function popProvider(providerFiber) { + stack[index$1] = null; + --index$1; + providerFiber = providerFiber.type.context; + if (0 > index$1) + (providerFiber.currentValue = providerFiber.defaultValue), + (providerFiber.changedBits = 0); + else { + var previousProviderFiber = stack[index$1]; + providerFiber.currentValue = previousProviderFiber.pendingProps.value; + providerFiber.changedBits = previousProviderFiber.stateNode; + } +} +function ReactFiberBeginWork( + config, + hostContext, + hydrationContext, + scheduleWork, + computeExpirationForFiber +) { + function reconcileChildren(current, workInProgress, nextChildren) { + var renderExpirationTime = workInProgress.expirationTime; + workInProgress.child = + null === current + ? mountChildFibers( + workInProgress, + null, + nextChildren, + renderExpirationTime + ) + : reconcileChildFibers( + workInProgress, + current.child, + nextChildren, + renderExpirationTime + ); + } + function markRef(current, workInProgress) { + var ref = workInProgress.ref; + null === ref || + (current && current.ref === ref) || + (workInProgress.effectTag |= 128); + } + function finishClassComponent( + current, + workInProgress, + shouldUpdate, + hasContext + ) { + markRef(current, workInProgress); + if (!shouldUpdate) + return ( + hasContext && invalidateContextProvider(workInProgress, !1), + bailoutOnAlreadyFinishedWork(current, workInProgress) + ); + shouldUpdate = workInProgress.stateNode; + ReactCurrentOwner.current = workInProgress; + var nextChildren = shouldUpdate.render(); + workInProgress.effectTag |= 1; + reconcileChildren(current, workInProgress, nextChildren); + workInProgress.memoizedState = shouldUpdate.state; + workInProgress.memoizedProps = shouldUpdate.props; + hasContext && invalidateContextProvider(workInProgress, !0); + return workInProgress.child; + } + function pushHostRootContext(workInProgress) { + var root = workInProgress.stateNode; + root.pendingContext + ? pushTopLevelContextObject( + workInProgress, + root.pendingContext, + root.pendingContext !== root.context + ) + : root.context && + pushTopLevelContextObject(workInProgress, root.context, !1); + pushHostContainer(workInProgress, root.containerInfo); + } + function bailoutOnAlreadyFinishedWork(current, workInProgress) { + invariant( + null === current || workInProgress.child === current.child, + "Resuming work not yet implemented." + ); + if (null !== workInProgress.child) { + current = workInProgress.child; + var newChild = createWorkInProgress( + current, + current.pendingProps, + current.expirationTime + ); + workInProgress.child = newChild; + for (newChild["return"] = workInProgress; null !== current.sibling; ) + (current = current.sibling), + (newChild = newChild.sibling = createWorkInProgress( + current, + current.pendingProps, + current.expirationTime + )), + (newChild["return"] = workInProgress); + newChild.sibling = null; + } + return workInProgress.child; + } + function bailoutOnLowPriority(current, workInProgress) { + switch (workInProgress.tag) { + case 3: + pushHostRootContext(workInProgress); + break; + case 2: + pushContextProvider(workInProgress); + break; + case 4: + pushHostContainer( + workInProgress, + workInProgress.stateNode.containerInfo + ); + break; + case 13: + (index$1 += 1), + (stack[index$1] = workInProgress), + (current = workInProgress.type.context), + (current.currentValue = workInProgress.pendingProps.value), + (current.changedBits = workInProgress.stateNode); + } + return null; + } + var shouldSetTextContent = config.shouldSetTextContent, + shouldDeprioritizeSubtree = config.shouldDeprioritizeSubtree, + pushHostContext = hostContext.pushHostContext, + pushHostContainer = hostContext.pushHostContainer, + enterHydrationState = hydrationContext.enterHydrationState, + resetHydrationState = hydrationContext.resetHydrationState, + tryToClaimNextHydratableInstance = + hydrationContext.tryToClaimNextHydratableInstance; + config = ReactFiberClassComponent( + scheduleWork, + computeExpirationForFiber, + function(workInProgress, nextProps) { + workInProgress.memoizedProps = nextProps; + }, + function(workInProgress, nextState) { + workInProgress.memoizedState = nextState; + } + ); + var adoptClassInstance = config.adoptClassInstance, + callGetDerivedStateFromProps = config.callGetDerivedStateFromProps, + constructClassInstance = config.constructClassInstance, + mountClassInstance = config.mountClassInstance, + updateClassInstance = config.updateClassInstance; + return { + beginWork: function(current, workInProgress, renderExpirationTime) { + if ( + 0 === workInProgress.expirationTime || + workInProgress.expirationTime > renderExpirationTime + ) + return bailoutOnLowPriority(current, workInProgress); + switch (workInProgress.tag) { + case 0: + invariant( + null === current, + "An indeterminate component should never have mounted. This error is likely caused by a bug in React. Please file an issue." + ); + var fn = workInProgress.type, + props = workInProgress.pendingProps, + unmaskedContext = getUnmaskedContext(workInProgress); + unmaskedContext = getMaskedContext(workInProgress, unmaskedContext); + fn = fn(props, unmaskedContext); + workInProgress.effectTag |= 1; + "object" === typeof fn && + null !== fn && + "function" === typeof fn.render && + void 0 === fn.$$typeof + ? ((unmaskedContext = workInProgress.type), + (workInProgress.tag = 2), + (workInProgress.memoizedState = + null !== fn.state && void 0 !== fn.state ? fn.state : null), + "function" === typeof unmaskedContext.getDerivedStateFromProps && + ((props = callGetDerivedStateFromProps( + workInProgress, + fn, + props + )), + null !== props && + void 0 !== props && + (workInProgress.memoizedState = Object.assign( + {}, + workInProgress.memoizedState, + props + ))), + (props = pushContextProvider(workInProgress)), + adoptClassInstance(workInProgress, fn), + mountClassInstance(workInProgress, renderExpirationTime), + (current = finishClassComponent( + current, + workInProgress, + !0, + props + ))) + : ((workInProgress.tag = 1), + reconcileChildren(current, workInProgress, fn), + (workInProgress.memoizedProps = props), + (current = workInProgress.child)); + return current; + case 1: + return ( + (props = workInProgress.type), + (renderExpirationTime = workInProgress.pendingProps), + didPerformWorkStackCursor.current || + workInProgress.memoizedProps !== renderExpirationTime + ? ((fn = getUnmaskedContext(workInProgress)), + (fn = getMaskedContext(workInProgress, fn)), + (props = props(renderExpirationTime, fn)), + (workInProgress.effectTag |= 1), + reconcileChildren(current, workInProgress, props), + (workInProgress.memoizedProps = renderExpirationTime), + (current = workInProgress.child)) + : (current = bailoutOnAlreadyFinishedWork( + current, + workInProgress + )), + current + ); + case 2: + return ( + (props = pushContextProvider(workInProgress)), + (fn = void 0), + null === current + ? workInProgress.stateNode + ? invariant(!1, "Resuming work not yet implemented.") + : (constructClassInstance( + workInProgress, + workInProgress.pendingProps + ), + mountClassInstance(workInProgress, renderExpirationTime), + (fn = !0)) + : (fn = updateClassInstance( + current, + workInProgress, + renderExpirationTime + )), + finishClassComponent(current, workInProgress, fn, props) + ); + case 3: + return ( + pushHostRootContext(workInProgress), + (props = workInProgress.updateQueue), + null !== props + ? ((fn = workInProgress.memoizedState), + (props = processUpdateQueue( + current, + workInProgress, + props, + null, + null, + renderExpirationTime + )), + fn === props + ? (resetHydrationState(), + (current = bailoutOnAlreadyFinishedWork( + current, + workInProgress + ))) + : ((fn = props.element), + (unmaskedContext = workInProgress.stateNode), + (null === current || null === current.child) && + unmaskedContext.hydrate && + enterHydrationState(workInProgress) + ? ((workInProgress.effectTag |= 2), + (workInProgress.child = mountChildFibers( + workInProgress, + null, + fn, + renderExpirationTime + ))) + : (resetHydrationState(), + reconcileChildren(current, workInProgress, fn)), + (workInProgress.memoizedState = props), + (current = workInProgress.child))) + : (resetHydrationState(), + (current = bailoutOnAlreadyFinishedWork( + current, + workInProgress + ))), + current + ); + case 5: + pushHostContext(workInProgress); + null === current && tryToClaimNextHydratableInstance(workInProgress); + props = workInProgress.type; + var memoizedProps = workInProgress.memoizedProps; + fn = workInProgress.pendingProps; + unmaskedContext = null !== current ? current.memoizedProps : null; + didPerformWorkStackCursor.current || memoizedProps !== fn + ? ((memoizedProps = fn.children), + shouldSetTextContent(props, fn) + ? (memoizedProps = null) + : unmaskedContext && + shouldSetTextContent(props, unmaskedContext) && + (workInProgress.effectTag |= 16), + markRef(current, workInProgress), + 1073741823 !== renderExpirationTime && + workInProgress.internalContextTag & 1 && + shouldDeprioritizeSubtree(props, fn) + ? ((workInProgress.expirationTime = 1073741823), + (current = null)) + : (reconcileChildren(current, workInProgress, memoizedProps), + (workInProgress.memoizedProps = fn), + (current = workInProgress.child))) + : (current = bailoutOnAlreadyFinishedWork(current, workInProgress)); + return current; + case 6: + return ( + null === current && + tryToClaimNextHydratableInstance(workInProgress), + (workInProgress.memoizedProps = workInProgress.pendingProps), + null + ); + case 8: + workInProgress.tag = 7; + case 7: + return ( + (props = workInProgress.pendingProps), + didPerformWorkStackCursor.current || + workInProgress.memoizedProps !== props || + (props = workInProgress.memoizedProps), + (fn = props.children), + (workInProgress.stateNode = + null === current + ? mountChildFibers( + workInProgress, + workInProgress.stateNode, + fn, + renderExpirationTime + ) + : reconcileChildFibers( + workInProgress, + current.stateNode, + fn, + renderExpirationTime + )), + (workInProgress.memoizedProps = props), + workInProgress.stateNode + ); + case 9: + return null; + case 4: + return ( + pushHostContainer( + workInProgress, + workInProgress.stateNode.containerInfo + ), + (props = workInProgress.pendingProps), + didPerformWorkStackCursor.current || + workInProgress.memoizedProps !== props + ? (null === current + ? (workInProgress.child = reconcileChildFibers( + workInProgress, + null, + props, + renderExpirationTime + )) + : reconcileChildren(current, workInProgress, props), + (workInProgress.memoizedProps = props), + (current = workInProgress.child)) + : (current = bailoutOnAlreadyFinishedWork( + current, + workInProgress + )), + current + ); + case 10: + return ( + (renderExpirationTime = workInProgress.pendingProps), + didPerformWorkStackCursor.current || + workInProgress.memoizedProps !== renderExpirationTime + ? (reconcileChildren( + current, + workInProgress, + renderExpirationTime + ), + (workInProgress.memoizedProps = renderExpirationTime), + (current = workInProgress.child)) + : (current = bailoutOnAlreadyFinishedWork( + current, + workInProgress + )), + current + ); + case 11: + return ( + (renderExpirationTime = workInProgress.pendingProps.children), + didPerformWorkStackCursor.current || + (null !== renderExpirationTime && + workInProgress.memoizedProps !== renderExpirationTime) + ? (reconcileChildren( + current, + workInProgress, + renderExpirationTime + ), + (workInProgress.memoizedProps = renderExpirationTime), + (current = workInProgress.child)) + : (current = bailoutOnAlreadyFinishedWork( + current, + workInProgress + )), + current + ); + case 13: + return null; + case 12: + return null; + default: + invariant( + !1, + "Unknown unit of work tag. This error is likely caused by a bug in React. Please file an issue." + ); + } + }, + beginFailedWork: function(current, workInProgress, renderExpirationTime) { + switch (workInProgress.tag) { + case 2: + pushContextProvider(workInProgress); + break; + case 3: + pushHostRootContext(workInProgress); + break; + default: + invariant( + !1, + "Invalid type of work. This error is likely caused by a bug in React. Please file an issue." + ); + } + workInProgress.effectTag |= 64; + null === current + ? (workInProgress.child = null) + : workInProgress.child !== current.child && + (workInProgress.child = current.child); + if ( + 0 === workInProgress.expirationTime || + workInProgress.expirationTime > renderExpirationTime + ) + return bailoutOnLowPriority(current, workInProgress); + workInProgress.firstEffect = null; + workInProgress.lastEffect = null; + workInProgress.child = + null === current + ? mountChildFibers(workInProgress, null, null, renderExpirationTime) + : reconcileChildFibers( + workInProgress, + current.child, + null, + renderExpirationTime + ); + 2 === workInProgress.tag && + ((current = workInProgress.stateNode), + (workInProgress.memoizedProps = current.props), + (workInProgress.memoizedState = current.state)); + return workInProgress.child; + } + }; +} +function ReactFiberCompleteWork(config, hostContext, hydrationContext) { + function markUpdate(workInProgress) { + workInProgress.effectTag |= 4; + } + var createInstance = config.createInstance, + createTextInstance = config.createTextInstance, + appendInitialChild = config.appendInitialChild, + finalizeInitialChildren = config.finalizeInitialChildren, + prepareUpdate = config.prepareUpdate, + persistence = config.persistence, + getRootHostContainer = hostContext.getRootHostContainer, + popHostContext = hostContext.popHostContext, + getHostContext = hostContext.getHostContext, + popHostContainer = hostContext.popHostContainer, + prepareToHydrateHostInstance = + hydrationContext.prepareToHydrateHostInstance, + prepareToHydrateHostTextInstance = + hydrationContext.prepareToHydrateHostTextInstance, + popHydrationState = hydrationContext.popHydrationState, + updateHostContainer = void 0, + updateHostComponent = void 0, + updateHostText = void 0; + config.mutation + ? ((updateHostContainer = function() {}), + (updateHostComponent = function(current, workInProgress, updatePayload) { + (workInProgress.updateQueue = updatePayload) && + markUpdate(workInProgress); + }), + (updateHostText = function(current, workInProgress, oldText, newText) { + oldText !== newText && markUpdate(workInProgress); + })) + : persistence + ? invariant(!1, "Persistent reconciler is disabled.") + : invariant(!1, "Noop reconciler is disabled."); + return { + completeWork: function(current, workInProgress, renderExpirationTime) { + var newProps = workInProgress.pendingProps; + switch (workInProgress.tag) { + case 1: + return null; + case 2: + return popContextProvider(workInProgress), null; + case 3: + popHostContainer(workInProgress); + pop(didPerformWorkStackCursor, workInProgress); + pop(contextStackCursor, workInProgress); + newProps = workInProgress.stateNode; + newProps.pendingContext && + ((newProps.context = newProps.pendingContext), + (newProps.pendingContext = null)); + if (null === current || null === current.child) + popHydrationState(workInProgress), (workInProgress.effectTag &= -3); + updateHostContainer(workInProgress); + return null; + case 5: + popHostContext(workInProgress); + renderExpirationTime = getRootHostContainer(); + var type = workInProgress.type; + if (null !== current && null != workInProgress.stateNode) { + var oldProps = current.memoizedProps, + instance = workInProgress.stateNode, + currentHostContext = getHostContext(); + instance = prepareUpdate( + instance, + type, + oldProps, + newProps, + renderExpirationTime, + currentHostContext + ); + updateHostComponent( + current, + workInProgress, + instance, + type, + oldProps, + newProps, + renderExpirationTime, + currentHostContext + ); + current.ref !== workInProgress.ref && + (workInProgress.effectTag |= 128); + } else { + if (!newProps) + return ( + invariant( + null !== workInProgress.stateNode, + "We must have new props for new mounts. This error is likely caused by a bug in React. Please file an issue." + ), + null + ); + current = getHostContext(); + if (popHydrationState(workInProgress)) + prepareToHydrateHostInstance( + workInProgress, + renderExpirationTime, + current + ) && markUpdate(workInProgress); + else { + oldProps = createInstance( + type, + newProps, + renderExpirationTime, + current, + workInProgress + ); + a: for ( + currentHostContext = workInProgress.child; + null !== currentHostContext; + + ) { + if ( + 5 === currentHostContext.tag || + 6 === currentHostContext.tag + ) + appendInitialChild(oldProps, currentHostContext.stateNode); + else if ( + 4 !== currentHostContext.tag && + null !== currentHostContext.child + ) { + currentHostContext.child["return"] = currentHostContext; + currentHostContext = currentHostContext.child; + continue; + } + if (currentHostContext === workInProgress) break; + for (; null === currentHostContext.sibling; ) { + if ( + null === currentHostContext["return"] || + currentHostContext["return"] === workInProgress + ) + break a; + currentHostContext = currentHostContext["return"]; + } + currentHostContext.sibling["return"] = + currentHostContext["return"]; + currentHostContext = currentHostContext.sibling; + } + finalizeInitialChildren( + oldProps, + type, + newProps, + renderExpirationTime, + current + ) && markUpdate(workInProgress); + workInProgress.stateNode = oldProps; + } + null !== workInProgress.ref && (workInProgress.effectTag |= 128); + } + return null; + case 6: + if (current && null != workInProgress.stateNode) + updateHostText( + current, + workInProgress, + current.memoizedProps, + newProps + ); + else { + if ("string" !== typeof newProps) + return ( + invariant( + null !== workInProgress.stateNode, + "We must have new props for new mounts. This error is likely caused by a bug in React. Please file an issue." + ), + null + ); + current = getRootHostContainer(); + renderExpirationTime = getHostContext(); + popHydrationState(workInProgress) + ? prepareToHydrateHostTextInstance(workInProgress) && + markUpdate(workInProgress) + : (workInProgress.stateNode = createTextInstance( + newProps, + current, + renderExpirationTime, + workInProgress + )); + } + return null; + case 7: + newProps = workInProgress.memoizedProps; + invariant( + newProps, + "Should be resolved by now. This error is likely caused by a bug in React. Please file an issue." + ); + workInProgress.tag = 8; + type = []; + a: for ( + (oldProps = workInProgress.stateNode) && + (oldProps["return"] = workInProgress); + null !== oldProps; + + ) { + if (5 === oldProps.tag || 6 === oldProps.tag || 4 === oldProps.tag) + invariant(!1, "A call cannot have host component children."); + else if (9 === oldProps.tag) type.push(oldProps.pendingProps.value); + else if (null !== oldProps.child) { + oldProps.child["return"] = oldProps; + oldProps = oldProps.child; + continue; + } + for (; null === oldProps.sibling; ) { + if ( + null === oldProps["return"] || + oldProps["return"] === workInProgress + ) + break a; + oldProps = oldProps["return"]; + } + oldProps.sibling["return"] = oldProps["return"]; + oldProps = oldProps.sibling; + } + oldProps = newProps.handler; + newProps = oldProps(newProps.props, type); + workInProgress.child = reconcileChildFibers( + workInProgress, + null !== current ? current.child : null, + newProps, + renderExpirationTime + ); + return workInProgress.child; + case 8: + return (workInProgress.tag = 7), null; + case 9: + return null; + case 10: + return null; + case 11: + return null; + case 4: + return ( + popHostContainer(workInProgress), + updateHostContainer(workInProgress), + null + ); + case 13: + return popProvider(workInProgress), null; + case 12: + return null; + case 0: + invariant( + !1, + "An indeterminate component should have become determinate before completing. This error is likely caused by a bug in React. Please file an issue." + ); + default: + invariant( + !1, + "Unknown unit of work tag. This error is likely caused by a bug in React. Please file an issue." + ); + } + } + }; +} +function ReactFiberCommitWork(config, captureError) { + function safelyDetachRef(current) { + var ref = current.ref; + if (null !== ref) + try { + ref(null); + } catch (refError) { + captureError(current, refError); + } + } + function commitUnmount(current) { + "function" === typeof onCommitUnmount && onCommitUnmount(current); + switch (current.tag) { + case 2: + safelyDetachRef(current); + var instance = current.stateNode; + if ("function" === typeof instance.componentWillUnmount) + try { + (instance.props = current.memoizedProps), + (instance.state = current.memoizedState), + instance.componentWillUnmount(); + } catch (unmountError) { + captureError(current, unmountError); + } + break; + case 5: + safelyDetachRef(current); + break; + case 7: + commitNestedUnmounts(current.stateNode); + break; + case 4: + mutation && unmountHostComponents(current); + } + } + function commitNestedUnmounts(root) { + for (var node = root; ; ) + if ( + (commitUnmount(node), + null === node.child || (mutation && 4 === node.tag)) + ) { + if (node === root) break; + for (; null === node.sibling; ) { + if (null === node["return"] || node["return"] === root) return; + node = node["return"]; + } + node.sibling["return"] = node["return"]; + node = node.sibling; + } else (node.child["return"] = node), (node = node.child); + } + function isHostParent(fiber) { + return 5 === fiber.tag || 3 === fiber.tag || 4 === fiber.tag; + } + function unmountHostComponents(current) { + for ( + var node = current, + currentParentIsValid = !1, + currentParent = void 0, + currentParentIsContainer = void 0; + ; + + ) { + if (!currentParentIsValid) { + currentParentIsValid = node["return"]; + a: for (;;) { + invariant( + null !== currentParentIsValid, + "Expected to find a host parent. This error is likely caused by a bug in React. Please file an issue." + ); + switch (currentParentIsValid.tag) { + case 5: + currentParent = currentParentIsValid.stateNode; + currentParentIsContainer = !1; + break a; + case 3: + currentParent = currentParentIsValid.stateNode.containerInfo; + currentParentIsContainer = !0; + break a; + case 4: + currentParent = currentParentIsValid.stateNode.containerInfo; + currentParentIsContainer = !0; + break a; + } + currentParentIsValid = currentParentIsValid["return"]; + } + currentParentIsValid = !0; + } + if (5 === node.tag || 6 === node.tag) + commitNestedUnmounts(node), + currentParentIsContainer + ? removeChildFromContainer(currentParent, node.stateNode) + : removeChild(currentParent, node.stateNode); + else if ( + (4 === node.tag + ? (currentParent = node.stateNode.containerInfo) + : commitUnmount(node), + null !== node.child) + ) { + node.child["return"] = node; + node = node.child; + continue; + } + if (node === current) break; + for (; null === node.sibling; ) { + if (null === node["return"] || node["return"] === current) return; + node = node["return"]; + 4 === node.tag && (currentParentIsValid = !1); + } + node.sibling["return"] = node["return"]; + node = node.sibling; + } + } + var getPublicInstance = config.getPublicInstance, + mutation = config.mutation; + config = config.persistence; + mutation || + (config + ? invariant(!1, "Persistent reconciler is disabled.") + : invariant(!1, "Noop reconciler is disabled.")); + var commitMount = mutation.commitMount, + commitUpdate = mutation.commitUpdate, + resetTextContent = mutation.resetTextContent, + commitTextUpdate = mutation.commitTextUpdate, + appendChild = mutation.appendChild, + appendChildToContainer = mutation.appendChildToContainer, + insertBefore = mutation.insertBefore, + insertInContainerBefore = mutation.insertInContainerBefore, + removeChild = mutation.removeChild, + removeChildFromContainer = mutation.removeChildFromContainer; + return { + commitResetTextContent: function(current) { + resetTextContent(current.stateNode); + }, + commitPlacement: function(finishedWork) { + a: { + for (var parent = finishedWork["return"]; null !== parent; ) { + if (isHostParent(parent)) { + var parentFiber = parent; + break a; + } + parent = parent["return"]; + } + invariant( + !1, + "Expected to find a host parent. This error is likely caused by a bug in React. Please file an issue." + ); + parentFiber = void 0; + } + var isContainer = (parent = void 0); + switch (parentFiber.tag) { + case 5: + parent = parentFiber.stateNode; + isContainer = !1; + break; + case 3: + parent = parentFiber.stateNode.containerInfo; + isContainer = !0; + break; + case 4: + parent = parentFiber.stateNode.containerInfo; + isContainer = !0; + break; + default: + invariant( + !1, + "Invalid host parent fiber. This error is likely caused by a bug in React. Please file an issue." + ); + } + parentFiber.effectTag & 16 && + (resetTextContent(parent), (parentFiber.effectTag &= -17)); + a: b: for (parentFiber = finishedWork; ; ) { + for (; null === parentFiber.sibling; ) { + if ( + null === parentFiber["return"] || + isHostParent(parentFiber["return"]) + ) { + parentFiber = null; + break a; + } + parentFiber = parentFiber["return"]; + } + parentFiber.sibling["return"] = parentFiber["return"]; + for ( + parentFiber = parentFiber.sibling; + 5 !== parentFiber.tag && 6 !== parentFiber.tag; + + ) { + if (parentFiber.effectTag & 2) continue b; + if (null === parentFiber.child || 4 === parentFiber.tag) continue b; + else + (parentFiber.child["return"] = parentFiber), + (parentFiber = parentFiber.child); + } + if (!(parentFiber.effectTag & 2)) { + parentFiber = parentFiber.stateNode; + break a; + } + } + for (var node = finishedWork; ; ) { + if (5 === node.tag || 6 === node.tag) + parentFiber + ? isContainer + ? insertInContainerBefore(parent, node.stateNode, parentFiber) + : insertBefore(parent, node.stateNode, parentFiber) + : isContainer + ? appendChildToContainer(parent, node.stateNode) + : appendChild(parent, node.stateNode); + else if (4 !== node.tag && null !== node.child) { + node.child["return"] = node; + node = node.child; + continue; + } + if (node === finishedWork) break; + for (; null === node.sibling; ) { + if (null === node["return"] || node["return"] === finishedWork) + return; + node = node["return"]; + } + node.sibling["return"] = node["return"]; + node = node.sibling; + } + }, + commitDeletion: function(current) { + unmountHostComponents(current); + current["return"] = null; + current.child = null; + current.alternate && + ((current.alternate.child = null), + (current.alternate["return"] = null)); + }, + commitWork: function(current, finishedWork) { + switch (finishedWork.tag) { + case 2: + break; + case 5: + var instance = finishedWork.stateNode; + if (null != instance) { + var newProps = finishedWork.memoizedProps; + current = null !== current ? current.memoizedProps : newProps; + var type = finishedWork.type, + updatePayload = finishedWork.updateQueue; + finishedWork.updateQueue = null; + null !== updatePayload && + commitUpdate( + instance, + updatePayload, + type, + current, + newProps, + finishedWork + ); + } + break; + case 6: + invariant( + null !== finishedWork.stateNode, + "This should have a text node initialized. This error is likely caused by a bug in React. Please file an issue." + ); + instance = finishedWork.memoizedProps; + commitTextUpdate( + finishedWork.stateNode, + null !== current ? current.memoizedProps : instance, + instance + ); + break; + case 3: + break; + default: + invariant( + !1, + "This unit of work tag should not have side-effects. This error is likely caused by a bug in React. Please file an issue." + ); + } + }, + commitLifeCycles: function(current, finishedWork) { + switch (finishedWork.tag) { + case 2: + var instance = finishedWork.stateNode; + if (finishedWork.effectTag & 4) + if (null === current) + (instance.props = finishedWork.memoizedProps), + (instance.state = finishedWork.memoizedState), + instance.componentDidMount(); + else { + var prevProps = current.memoizedProps; + current = current.memoizedState; + instance.props = finishedWork.memoizedProps; + instance.state = finishedWork.memoizedState; + instance.componentDidUpdate(prevProps, current); + } + finishedWork = finishedWork.updateQueue; + null !== finishedWork && commitCallbacks(finishedWork, instance); + break; + case 3: + instance = finishedWork.updateQueue; + if (null !== instance) { + current = null; + if (null !== finishedWork.child) + switch (finishedWork.child.tag) { + case 5: + current = getPublicInstance(finishedWork.child.stateNode); + break; + case 2: + current = finishedWork.child.stateNode; + } + commitCallbacks(instance, current); + } + break; + case 5: + instance = finishedWork.stateNode; + null === current && + finishedWork.effectTag & 4 && + commitMount( + instance, + finishedWork.type, + finishedWork.memoizedProps, + finishedWork + ); + break; + case 6: + break; + case 4: + break; + default: + invariant( + !1, + "This unit of work tag should not have side-effects. This error is likely caused by a bug in React. Please file an issue." + ); + } + }, + commitAttachRef: function(finishedWork) { + var ref = finishedWork.ref; + if (null !== ref) { + var instance = finishedWork.stateNode; + switch (finishedWork.tag) { + case 5: + ref(getPublicInstance(instance)); + break; + default: + ref(instance); + } + } + }, + commitDetachRef: function(current) { + current = current.ref; + null !== current && current(null); + } + }; +} +var NO_CONTEXT = {}; +function ReactFiberHostContext(config) { + function requiredContext(c) { + invariant( + c !== NO_CONTEXT, + "Expected host context to exist. This error is likely caused by a bug in React. Please file an issue." + ); + return c; + } + var getChildHostContext = config.getChildHostContext, + getRootHostContext = config.getRootHostContext, + contextStackCursor = { current: NO_CONTEXT }, + contextFiberStackCursor = { current: NO_CONTEXT }, + rootInstanceStackCursor = { current: NO_CONTEXT }; + return { + getHostContext: function() { + return requiredContext(contextStackCursor.current); + }, + getRootHostContainer: function() { + return requiredContext(rootInstanceStackCursor.current); + }, + popHostContainer: function(fiber) { + pop(contextStackCursor, fiber); + pop(contextFiberStackCursor, fiber); + pop(rootInstanceStackCursor, fiber); + }, + popHostContext: function(fiber) { + contextFiberStackCursor.current === fiber && + (pop(contextStackCursor, fiber), pop(contextFiberStackCursor, fiber)); + }, + pushHostContainer: function(fiber, nextRootInstance) { + push(rootInstanceStackCursor, nextRootInstance, fiber); + nextRootInstance = getRootHostContext(nextRootInstance); + push(contextFiberStackCursor, fiber, fiber); + push(contextStackCursor, nextRootInstance, fiber); + }, + pushHostContext: function(fiber) { + var rootInstance = requiredContext(rootInstanceStackCursor.current), + context = requiredContext(contextStackCursor.current); + rootInstance = getChildHostContext(context, fiber.type, rootInstance); + context !== rootInstance && + (push(contextFiberStackCursor, fiber, fiber), + push(contextStackCursor, rootInstance, fiber)); + }, + resetHostContainer: function() { + contextStackCursor.current = NO_CONTEXT; + rootInstanceStackCursor.current = NO_CONTEXT; + } + }; +} +function ReactFiberHydrationContext(config) { + function deleteHydratableInstance(returnFiber, instance) { + var fiber = new FiberNode(5, null, null, 0); + fiber.type = "DELETED"; + fiber.stateNode = instance; + fiber["return"] = returnFiber; + fiber.effectTag = 8; + null !== returnFiber.lastEffect + ? ((returnFiber.lastEffect.nextEffect = fiber), + (returnFiber.lastEffect = fiber)) + : (returnFiber.firstEffect = returnFiber.lastEffect = fiber); + } + function tryHydrate(fiber, nextInstance) { + switch (fiber.tag) { + case 5: + return ( + (nextInstance = canHydrateInstance( + nextInstance, + fiber.type, + fiber.pendingProps + )), + null !== nextInstance ? ((fiber.stateNode = nextInstance), !0) : !1 + ); + case 6: + return ( + (nextInstance = canHydrateTextInstance( + nextInstance, + fiber.pendingProps + )), + null !== nextInstance ? ((fiber.stateNode = nextInstance), !0) : !1 + ); + default: + return !1; + } + } + function popToNextHostParent(fiber) { + for ( + fiber = fiber["return"]; + null !== fiber && 5 !== fiber.tag && 3 !== fiber.tag; + + ) + fiber = fiber["return"]; + hydrationParentFiber = fiber; + } + var shouldSetTextContent = config.shouldSetTextContent; + config = config.hydration; + if (!config) + return { + enterHydrationState: function() { + return !1; + }, + resetHydrationState: function() {}, + tryToClaimNextHydratableInstance: function() {}, + prepareToHydrateHostInstance: function() { + invariant( + !1, + "Expected prepareToHydrateHostInstance() to never be called. This error is likely caused by a bug in React. Please file an issue." + ); + }, + prepareToHydrateHostTextInstance: function() { + invariant( + !1, + "Expected prepareToHydrateHostTextInstance() to never be called. This error is likely caused by a bug in React. Please file an issue." + ); + }, + popHydrationState: function() { + return !1; + } + }; + var canHydrateInstance = config.canHydrateInstance, + canHydrateTextInstance = config.canHydrateTextInstance, + getNextHydratableSibling = config.getNextHydratableSibling, + getFirstHydratableChild = config.getFirstHydratableChild, + hydrateInstance = config.hydrateInstance, + hydrateTextInstance = config.hydrateTextInstance, + hydrationParentFiber = null, + nextHydratableInstance = null, + isHydrating = !1; + return { + enterHydrationState: function(fiber) { + nextHydratableInstance = getFirstHydratableChild( + fiber.stateNode.containerInfo + ); + hydrationParentFiber = fiber; + return (isHydrating = !0); + }, + resetHydrationState: function() { + nextHydratableInstance = hydrationParentFiber = null; + isHydrating = !1; + }, + tryToClaimNextHydratableInstance: function(fiber) { + if (isHydrating) { + var nextInstance = nextHydratableInstance; + if (nextInstance) { + if (!tryHydrate(fiber, nextInstance)) { + nextInstance = getNextHydratableSibling(nextInstance); + if (!nextInstance || !tryHydrate(fiber, nextInstance)) { + fiber.effectTag |= 2; + isHydrating = !1; + hydrationParentFiber = fiber; + return; + } + deleteHydratableInstance( + hydrationParentFiber, + nextHydratableInstance + ); + } + hydrationParentFiber = fiber; + nextHydratableInstance = getFirstHydratableChild(nextInstance); + } else + (fiber.effectTag |= 2), + (isHydrating = !1), + (hydrationParentFiber = fiber); + } + }, + prepareToHydrateHostInstance: function( + fiber, + rootContainerInstance, + hostContext + ) { + rootContainerInstance = hydrateInstance( + fiber.stateNode, + fiber.type, + fiber.memoizedProps, + rootContainerInstance, + hostContext, + fiber + ); + fiber.updateQueue = rootContainerInstance; + return null !== rootContainerInstance ? !0 : !1; + }, + prepareToHydrateHostTextInstance: function(fiber) { + return hydrateTextInstance(fiber.stateNode, fiber.memoizedProps, fiber); + }, + popHydrationState: function(fiber) { + if (fiber !== hydrationParentFiber) return !1; + if (!isHydrating) + return popToNextHostParent(fiber), (isHydrating = !0), !1; + var type = fiber.type; + if ( + 5 !== fiber.tag || + ("head" !== type && + "body" !== type && + !shouldSetTextContent(type, fiber.memoizedProps)) + ) + for (type = nextHydratableInstance; type; ) + deleteHydratableInstance(fiber, type), + (type = getNextHydratableSibling(type)); + popToNextHostParent(fiber); + nextHydratableInstance = hydrationParentFiber + ? getNextHydratableSibling(fiber.stateNode) + : null; + return !0; + } + }; +} +function ReactFiberScheduler(config) { + function completeUnitOfWork(workInProgress$jscomp$0) { + for (;;) { + var next = completeWork( + workInProgress$jscomp$0.alternate, + workInProgress$jscomp$0, + nextRenderExpirationTime + ), + returnFiber = workInProgress$jscomp$0["return"], + siblingFiber = workInProgress$jscomp$0.sibling; + var workInProgress = workInProgress$jscomp$0; + if ( + 1073741823 === nextRenderExpirationTime || + 1073741823 !== workInProgress.expirationTime + ) { + if (2 !== workInProgress.tag && 3 !== workInProgress.tag) + var newExpirationTime = 0; + else + (newExpirationTime = workInProgress.updateQueue), + (newExpirationTime = + null === newExpirationTime + ? 0 + : newExpirationTime.expirationTime); + for (var child = workInProgress.child; null !== child; ) + 0 !== child.expirationTime && + (0 === newExpirationTime || + newExpirationTime > child.expirationTime) && + (newExpirationTime = child.expirationTime), + (child = child.sibling); + workInProgress.expirationTime = newExpirationTime; + } + if (null !== next) return next; + null !== returnFiber && + (null === returnFiber.firstEffect && + (returnFiber.firstEffect = workInProgress$jscomp$0.firstEffect), + null !== workInProgress$jscomp$0.lastEffect && + (null !== returnFiber.lastEffect && + (returnFiber.lastEffect.nextEffect = + workInProgress$jscomp$0.firstEffect), + (returnFiber.lastEffect = workInProgress$jscomp$0.lastEffect)), + 1 < workInProgress$jscomp$0.effectTag && + (null !== returnFiber.lastEffect + ? (returnFiber.lastEffect.nextEffect = workInProgress$jscomp$0) + : (returnFiber.firstEffect = workInProgress$jscomp$0), + (returnFiber.lastEffect = workInProgress$jscomp$0))); + if (null !== siblingFiber) return siblingFiber; + if (null !== returnFiber) workInProgress$jscomp$0 = returnFiber; + else { + workInProgress$jscomp$0.stateNode.isReadyForCommit = !0; + break; + } + } + return null; + } + function performUnitOfWork(workInProgress) { + var next = beginWork( + workInProgress.alternate, + workInProgress, + nextRenderExpirationTime + ); + null === next && (next = completeUnitOfWork(workInProgress)); + ReactCurrentOwner.current = null; + return next; + } + function performFailedUnitOfWork(workInProgress) { + var next = beginFailedWork( + workInProgress.alternate, + workInProgress, + nextRenderExpirationTime + ); + null === next && (next = completeUnitOfWork(workInProgress)); + ReactCurrentOwner.current = null; + return next; + } + function workLoop(expirationTime) { + if (null !== capturedErrors) { + if ( + !( + 0 === nextRenderExpirationTime || + nextRenderExpirationTime > expirationTime + ) + ) + if (nextRenderExpirationTime <= mostRecentCurrentTime) + for (; null !== nextUnitOfWork; ) + nextUnitOfWork = hasCapturedError(nextUnitOfWork) + ? performFailedUnitOfWork(nextUnitOfWork) + : performUnitOfWork(nextUnitOfWork); + else + for (; null !== nextUnitOfWork && !shouldYield(); ) + nextUnitOfWork = hasCapturedError(nextUnitOfWork) + ? performFailedUnitOfWork(nextUnitOfWork) + : performUnitOfWork(nextUnitOfWork); + } else if ( + !( + 0 === nextRenderExpirationTime || + nextRenderExpirationTime > expirationTime + ) + ) + if (nextRenderExpirationTime <= mostRecentCurrentTime) + for (; null !== nextUnitOfWork; ) + nextUnitOfWork = performUnitOfWork(nextUnitOfWork); + else + for (; null !== nextUnitOfWork && !shouldYield(); ) + nextUnitOfWork = performUnitOfWork(nextUnitOfWork); + } + function renderRoot(root, expirationTime) { + invariant( + !isWorking, + "renderRoot was called recursively. This error is likely caused by a bug in React. Please file an issue." + ); + isWorking = !0; + root.isReadyForCommit = !1; + if ( + root !== nextRoot || + expirationTime !== nextRenderExpirationTime || + null === nextUnitOfWork + ) { + for (; -1 < index; ) (valueStack[index] = null), index--; + previousContext = emptyObject; + contextStackCursor.current = emptyObject; + didPerformWorkStackCursor.current = !1; + for (var i = index$1; -1 < i; i--) { + var context = stack[i].type.context; + context.currentValue = context.defaultValue; + context.changedBits = 0; + stack[i] = null; + } + resetHostContainer(); + nextRoot = root; + nextRenderExpirationTime = expirationTime; + nextUnitOfWork = createWorkInProgress( + nextRoot.current, + null, + expirationTime + ); + } + context = !1; + var error = null; + try { + workLoop(expirationTime); + } catch (e) { + (context = !0), (error = e); + } + for (; context; ) { + if (didFatal) { + firstUncaughtError = error; + break; + } + i = nextUnitOfWork; + if (null === i) didFatal = !0; + else { + var boundary = captureError(i, error); + invariant( + null !== boundary, + "Should have found an error boundary. This error is likely caused by a bug in React. Please file an issue." + ); + if (!didFatal) { + try { + context = boundary; + error = expirationTime; + for (boundary = context; null !== i; ) { + switch (i.tag) { + case 2: + popContextProvider(i); + break; + case 5: + popHostContext(i); + break; + case 3: + popHostContainer(i); + break; + case 4: + popHostContainer(i); + break; + case 13: + popProvider(i); + } + if (i === boundary || i.alternate === boundary) break; + i = i["return"]; + } + nextUnitOfWork = performFailedUnitOfWork(context); + workLoop(error); + } catch (e) { + context = !0; + error = e; + continue; + } + break; + } + } + } + expirationTime = firstUncaughtError; + didFatal = isWorking = !1; + firstUncaughtError = null; + null !== expirationTime && onUncaughtError(expirationTime); + return root.isReadyForCommit ? root.current.alternate : null; + } + function captureError(failedWork, error$jscomp$0) { + var boundary = (ReactCurrentOwner.current = null), + errorBoundaryFound = !1, + willRetry = !1, + errorBoundaryName = null; + if (3 === failedWork.tag) + (boundary = failedWork), isFailedBoundary(failedWork) && (didFatal = !0); + else + for ( + var node = failedWork["return"]; + null !== node && null === boundary; + + ) { + 2 === node.tag + ? "function" === typeof node.stateNode.componentDidCatch && + ((errorBoundaryFound = !0), + (errorBoundaryName = getComponentName(node)), + (boundary = node), + (willRetry = !0)) + : 3 === node.tag && (boundary = node); + if (isFailedBoundary(node)) { + if ( + isUnmounting || + (null !== commitPhaseBoundaries && + (commitPhaseBoundaries.has(node) || + (null !== node.alternate && + commitPhaseBoundaries.has(node.alternate)))) + ) + return null; + boundary = null; + willRetry = !1; + } + node = node["return"]; + } + if (null !== boundary) { + null === failedBoundaries && (failedBoundaries = new Set()); + failedBoundaries.add(boundary); + var info = ""; + node = failedWork; + do { + a: switch (node.tag) { + case 0: + case 1: + case 2: + case 5: + var owner = node._debugOwner, + source = node._debugSource; + var JSCompiler_inline_result = getComponentName(node); + var ownerName = null; + owner && (ownerName = getComponentName(owner)); + owner = source; + JSCompiler_inline_result = + "\n in " + + (JSCompiler_inline_result || "Unknown") + + (owner + ? " (at " + + owner.fileName.replace(/^.*[\\\/]/, "") + + ":" + + owner.lineNumber + + ")" + : ownerName ? " (created by " + ownerName + ")" : ""); + break a; + default: + JSCompiler_inline_result = ""; + } + info += JSCompiler_inline_result; + node = node["return"]; + } while (node); + node = info; + failedWork = getComponentName(failedWork); + null === capturedErrors && (capturedErrors = new Map()); + error$jscomp$0 = { + componentName: failedWork, + componentStack: node, + error: error$jscomp$0, + errorBoundary: errorBoundaryFound ? boundary.stateNode : null, + errorBoundaryFound: errorBoundaryFound, + errorBoundaryName: errorBoundaryName, + willRetry: willRetry + }; + capturedErrors.set(boundary, error$jscomp$0); + try { + var error = error$jscomp$0.error; + (error && error.suppressReactErrorLogging) || console.error(error); + } catch (e) { + (e && e.suppressReactErrorLogging) || console.error(e); + } + isCommitting + ? (null === commitPhaseBoundaries && + (commitPhaseBoundaries = new Set()), + commitPhaseBoundaries.add(boundary)) + : scheduleErrorRecovery(boundary); + return boundary; + } + null === firstUncaughtError && (firstUncaughtError = error$jscomp$0); + return null; + } + function hasCapturedError(fiber) { + return ( + null !== capturedErrors && + (capturedErrors.has(fiber) || + (null !== fiber.alternate && capturedErrors.has(fiber.alternate))) + ); + } + function isFailedBoundary(fiber) { + return ( + null !== failedBoundaries && + (failedBoundaries.has(fiber) || + (null !== fiber.alternate && failedBoundaries.has(fiber.alternate))) + ); + } + function computeAsyncExpiration() { + return 20 * ((((recalculateCurrentTime() + 100) / 20) | 0) + 1); + } + function computeExpirationForFiber(fiber) { + return 0 !== expirationContext + ? expirationContext + : isWorking + ? isCommitting ? 1 : nextRenderExpirationTime + : fiber.internalContextTag & 1 ? computeAsyncExpiration() : 1; + } + function scheduleWork(fiber, expirationTime) { + return scheduleWorkImpl(fiber, expirationTime, !1); + } + function scheduleWorkImpl(fiber, expirationTime) { + for (; null !== fiber; ) { + if (0 === fiber.expirationTime || fiber.expirationTime > expirationTime) + fiber.expirationTime = expirationTime; + null !== fiber.alternate && + (0 === fiber.alternate.expirationTime || + fiber.alternate.expirationTime > expirationTime) && + (fiber.alternate.expirationTime = expirationTime); + if (null === fiber["return"]) + if (3 === fiber.tag) { + var root = fiber.stateNode; + !isWorking && + root === nextRoot && + expirationTime < nextRenderExpirationTime && + ((nextUnitOfWork = nextRoot = null), + (nextRenderExpirationTime = 0)); + requestWork(root, expirationTime); + !isWorking && + root === nextRoot && + expirationTime < nextRenderExpirationTime && + ((nextUnitOfWork = nextRoot = null), + (nextRenderExpirationTime = 0)); + } else break; + fiber = fiber["return"]; + } + } + function scheduleErrorRecovery(fiber) { + scheduleWorkImpl(fiber, 1, !0); + } + function recalculateCurrentTime() { + return (mostRecentCurrentTime = (((now() - startTime) / 10) | 0) + 2); + } + function scheduleCallbackWithExpiration(expirationTime) { + if (0 !== callbackExpirationTime) { + if (expirationTime > callbackExpirationTime) return; + cancelDeferredCallback(callbackID); + } + var currentMs = now() - startTime; + callbackExpirationTime = expirationTime; + callbackID = scheduleDeferredCallback(performAsyncWork, { + timeout: 10 * (expirationTime - 2) - currentMs + }); + } + function requestWork(root, expirationTime) { + nestedUpdateCount > NESTED_UPDATE_LIMIT && + invariant( + !1, + "Maximum update depth exceeded. This can happen when a component repeatedly calls setState inside componentWillUpdate or componentDidUpdate. React limits the number of nested updates to prevent infinite loops." + ); + if (null === root.nextScheduledRoot) + (root.remainingExpirationTime = expirationTime), + null === lastScheduledRoot + ? ((firstScheduledRoot = lastScheduledRoot = root), + (root.nextScheduledRoot = root)) + : ((lastScheduledRoot = lastScheduledRoot.nextScheduledRoot = root), + (lastScheduledRoot.nextScheduledRoot = firstScheduledRoot)); + else { + var remainingExpirationTime = root.remainingExpirationTime; + if ( + 0 === remainingExpirationTime || + expirationTime < remainingExpirationTime + ) + root.remainingExpirationTime = expirationTime; + } + isRendering || + (isBatchingUpdates + ? isUnbatchingUpdates && + ((nextFlushedRoot = root), + (nextFlushedExpirationTime = 1), + performWorkOnRoot(root, 1, recalculateCurrentTime())) + : 1 === expirationTime + ? performWork(1, null) + : scheduleCallbackWithExpiration(expirationTime)); + } + function findHighestPriorityRoot() { + var highestPriorityWork = 0, + highestPriorityRoot = null; + if (null !== lastScheduledRoot) + for ( + var previousScheduledRoot = lastScheduledRoot, + root = firstScheduledRoot; + null !== root; + + ) { + var remainingExpirationTime = root.remainingExpirationTime; + if (0 === remainingExpirationTime) { + invariant( + null !== previousScheduledRoot && null !== lastScheduledRoot, + "Should have a previous and last root. This error is likely caused by a bug in React. Please file an issue." + ); + if (root === root.nextScheduledRoot) { + firstScheduledRoot = lastScheduledRoot = root.nextScheduledRoot = null; + break; + } else if (root === firstScheduledRoot) + (firstScheduledRoot = remainingExpirationTime = + root.nextScheduledRoot), + (lastScheduledRoot.nextScheduledRoot = remainingExpirationTime), + (root.nextScheduledRoot = null); + else if (root === lastScheduledRoot) { + lastScheduledRoot = previousScheduledRoot; + lastScheduledRoot.nextScheduledRoot = firstScheduledRoot; + root.nextScheduledRoot = null; + break; + } else + (previousScheduledRoot.nextScheduledRoot = root.nextScheduledRoot), + (root.nextScheduledRoot = null); + root = previousScheduledRoot.nextScheduledRoot; + } else { + if ( + 0 === highestPriorityWork || + remainingExpirationTime < highestPriorityWork + ) + (highestPriorityWork = remainingExpirationTime), + (highestPriorityRoot = root); + if (root === lastScheduledRoot) break; + previousScheduledRoot = root; + root = root.nextScheduledRoot; + } + } + previousScheduledRoot = nextFlushedRoot; + null !== previousScheduledRoot && + previousScheduledRoot === highestPriorityRoot + ? nestedUpdateCount++ + : (nestedUpdateCount = 0); + nextFlushedRoot = highestPriorityRoot; + nextFlushedExpirationTime = highestPriorityWork; + } + function performAsyncWork(dl) { + performWork(0, dl); + } + function performWork(minExpirationTime, dl) { + deadline = dl; + for ( + findHighestPriorityRoot(); + null !== nextFlushedRoot && + 0 !== nextFlushedExpirationTime && + (0 === minExpirationTime || + nextFlushedExpirationTime <= minExpirationTime) && + !deadlineDidExpire; + + ) + performWorkOnRoot( + nextFlushedRoot, + nextFlushedExpirationTime, + recalculateCurrentTime() + ), + findHighestPriorityRoot(); + null !== deadline && ((callbackExpirationTime = 0), (callbackID = -1)); + 0 !== nextFlushedExpirationTime && + scheduleCallbackWithExpiration(nextFlushedExpirationTime); + deadline = null; + deadlineDidExpire = !1; + nestedUpdateCount = 0; + finishRendering(); + } + function finishRendering() { + if (null !== completedBatches) { + var batches = completedBatches; + completedBatches = null; + for (var i = 0; i < batches.length; i++) { + var batch = batches[i]; + try { + batch._onComplete(); + } catch (error) { + hasUnhandledError || + ((hasUnhandledError = !0), (unhandledError = error)); + } + } + } + if (hasUnhandledError) + throw ((batches = unhandledError), + (unhandledError = null), + (hasUnhandledError = !1), + batches); + } + function performWorkOnRoot(root, expirationTime, currentTime) { + invariant( + !isRendering, + "performWorkOnRoot was called recursively. This error is likely caused by a bug in React. Please file an issue." + ); + isRendering = !0; + expirationTime <= currentTime + ? ((currentTime = root.finishedWork), + null !== currentTime + ? completeRoot(root, currentTime, expirationTime) + : ((root.finishedWork = null), + (currentTime = renderRoot(root, expirationTime)), + null !== currentTime && + completeRoot(root, currentTime, expirationTime))) + : ((currentTime = root.finishedWork), + null !== currentTime + ? completeRoot(root, currentTime, expirationTime) + : ((root.finishedWork = null), + (currentTime = renderRoot(root, expirationTime)), + null !== currentTime && + (shouldYield() + ? (root.finishedWork = currentTime) + : completeRoot(root, currentTime, expirationTime)))); + isRendering = !1; + } + function completeRoot(root, finishedWork, expirationTime) { + var firstBatch = root.firstBatch; + if ( + null !== firstBatch && + firstBatch._expirationTime <= expirationTime && + (null === completedBatches + ? (completedBatches = [firstBatch]) + : completedBatches.push(firstBatch), + firstBatch._defer) + ) { + root.finishedWork = finishedWork; + root.remainingExpirationTime = 0; + return; + } + root.finishedWork = null; + isCommitting = isWorking = !0; + expirationTime = finishedWork.stateNode; + invariant( + expirationTime.current !== finishedWork, + "Cannot commit the same tree as before. This is probably a bug related to the return field. This error is likely caused by a bug in React. Please file an issue." + ); + expirationTime.isReadyForCommit = !1; + ReactCurrentOwner.current = null; + 1 < finishedWork.effectTag + ? null !== finishedWork.lastEffect + ? ((finishedWork.lastEffect.nextEffect = finishedWork), + (firstBatch = finishedWork.firstEffect)) + : (firstBatch = finishedWork) + : (firstBatch = finishedWork.firstEffect); + prepareForCommit(); + for (nextEffect = firstBatch; null !== nextEffect; ) { + var didError = !1, + _error = void 0; + try { + for (; null !== nextEffect; ) { + var effectTag = nextEffect.effectTag; + effectTag & 16 && commitResetTextContent(nextEffect); + if (effectTag & 128) { + var current = nextEffect.alternate; + null !== current && commitDetachRef(current); + } + switch (effectTag & -242) { + case 2: + commitPlacement(nextEffect); + nextEffect.effectTag &= -3; + break; + case 6: + commitPlacement(nextEffect); + nextEffect.effectTag &= -3; + commitWork(nextEffect.alternate, nextEffect); + break; + case 4: + commitWork(nextEffect.alternate, nextEffect); + break; + case 8: + (isUnmounting = !0), + commitDeletion(nextEffect), + (isUnmounting = !1); + } + nextEffect = nextEffect.nextEffect; + } + } catch (e) { + (didError = !0), (_error = e); + } + didError && + (invariant( + null !== nextEffect, + "Should have next effect. This error is likely caused by a bug in React. Please file an issue." + ), + captureError(nextEffect, _error), + null !== nextEffect && (nextEffect = nextEffect.nextEffect)); + } + resetAfterCommit(); + expirationTime.current = finishedWork; + for (nextEffect = firstBatch; null !== nextEffect; ) { + effectTag = !1; + current = void 0; + try { + for (; null !== nextEffect; ) { + var effectTag$jscomp$0 = nextEffect.effectTag; + effectTag$jscomp$0 & 36 && + commitLifeCycles(nextEffect.alternate, nextEffect); + effectTag$jscomp$0 & 128 && commitAttachRef(nextEffect); + if (effectTag$jscomp$0 & 64) + switch (((firstBatch = nextEffect), + (didError = void 0), + null !== capturedErrors && + ((didError = capturedErrors.get(firstBatch)), + capturedErrors["delete"](firstBatch), + null == didError && + null !== firstBatch.alternate && + ((firstBatch = firstBatch.alternate), + (didError = capturedErrors.get(firstBatch)), + capturedErrors["delete"](firstBatch))), + invariant( + null != didError, + "No error for given unit of work. This error is likely caused by a bug in React. Please file an issue." + ), + firstBatch.tag)) { + case 2: + firstBatch.stateNode.componentDidCatch(didError.error, { + componentStack: didError.componentStack + }); + break; + case 3: + null === firstUncaughtError && + (firstUncaughtError = didError.error); + break; + default: + invariant( + !1, + "Invalid type of work. This error is likely caused by a bug in React. Please file an issue." + ); + } + var next = nextEffect.nextEffect; + nextEffect.nextEffect = null; + nextEffect = next; + } + } catch (e) { + (effectTag = !0), (current = e); + } + effectTag && + (invariant( + null !== nextEffect, + "Should have next effect. This error is likely caused by a bug in React. Please file an issue." + ), + captureError(nextEffect, current), + null !== nextEffect && (nextEffect = nextEffect.nextEffect)); + } + isWorking = isCommitting = !1; + "function" === typeof onCommitRoot && onCommitRoot(finishedWork.stateNode); + commitPhaseBoundaries && + (commitPhaseBoundaries.forEach(scheduleErrorRecovery), + (commitPhaseBoundaries = null)); + null !== firstUncaughtError && + ((finishedWork = firstUncaughtError), + (firstUncaughtError = null), + onUncaughtError(finishedWork)); + finishedWork = expirationTime.current.expirationTime; + 0 === finishedWork && (failedBoundaries = capturedErrors = null); + root.remainingExpirationTime = finishedWork; + } + function shouldYield() { + return null === deadline || + deadline.timeRemaining() > timeHeuristicForUnitOfWork + ? !1 + : (deadlineDidExpire = !0); + } + function onUncaughtError(error) { + invariant( + null !== nextFlushedRoot, + "Should be working on a root. This error is likely caused by a bug in React. Please file an issue." + ); + nextFlushedRoot.remainingExpirationTime = 0; + hasUnhandledError || ((hasUnhandledError = !0), (unhandledError = error)); + } + var hostContext = ReactFiberHostContext(config), + hydrationContext = ReactFiberHydrationContext(config), + popHostContainer = hostContext.popHostContainer, + popHostContext = hostContext.popHostContext, + resetHostContainer = hostContext.resetHostContainer, + _ReactFiberBeginWork = ReactFiberBeginWork( + config, + hostContext, + hydrationContext, + scheduleWork, + computeExpirationForFiber + ), + beginWork = _ReactFiberBeginWork.beginWork, + beginFailedWork = _ReactFiberBeginWork.beginFailedWork, + completeWork = ReactFiberCompleteWork(config, hostContext, hydrationContext) + .completeWork; + hostContext = ReactFiberCommitWork(config, captureError); + var commitResetTextContent = hostContext.commitResetTextContent, + commitPlacement = hostContext.commitPlacement, + commitDeletion = hostContext.commitDeletion, + commitWork = hostContext.commitWork, + commitLifeCycles = hostContext.commitLifeCycles, + commitAttachRef = hostContext.commitAttachRef, + commitDetachRef = hostContext.commitDetachRef, + now = config.now, + scheduleDeferredCallback = config.scheduleDeferredCallback, + cancelDeferredCallback = config.cancelDeferredCallback, + prepareForCommit = config.prepareForCommit, + resetAfterCommit = config.resetAfterCommit, + startTime = now(), + mostRecentCurrentTime = 2, + lastUniqueAsyncExpiration = 0, + expirationContext = 0, + isWorking = !1, + nextUnitOfWork = null, + nextRoot = null, + nextRenderExpirationTime = 0, + nextEffect = null, + capturedErrors = null, + failedBoundaries = null, + commitPhaseBoundaries = null, + firstUncaughtError = null, + didFatal = !1, + isCommitting = !1, + isUnmounting = !1, + firstScheduledRoot = null, + lastScheduledRoot = null, + callbackExpirationTime = 0, + callbackID = -1, + isRendering = !1, + nextFlushedRoot = null, + nextFlushedExpirationTime = 0, + deadlineDidExpire = !1, + hasUnhandledError = !1, + unhandledError = null, + deadline = null, + isBatchingUpdates = !1, + isUnbatchingUpdates = !1, + completedBatches = null, + NESTED_UPDATE_LIMIT = 1e3, + nestedUpdateCount = 0, + timeHeuristicForUnitOfWork = 1; + return { + computeExpirationForFiber: computeExpirationForFiber, + scheduleWork: scheduleWork, + requestWork: requestWork, + flushRoot: function(root, expirationTime) { + invariant( + !isRendering, + "work.commit(): Cannot commit while already rendering. This likely means you attempted to commit from inside a lifecycle method." + ); + performWorkOnRoot(root, expirationTime, expirationTime); + finishRendering(); + }, + batchedUpdates: function(fn, a) { + var previousIsBatchingUpdates = isBatchingUpdates; + isBatchingUpdates = !0; + try { + return fn(a); + } finally { + (isBatchingUpdates = previousIsBatchingUpdates) || + isRendering || + performWork(1, null); + } + }, + unbatchedUpdates: function(fn) { + if (isBatchingUpdates && !isUnbatchingUpdates) { + isUnbatchingUpdates = !0; + try { + return fn(); + } finally { + isUnbatchingUpdates = !1; + } + } + return fn(); + }, + flushSync: function(fn) { + var previousIsBatchingUpdates = isBatchingUpdates; + isBatchingUpdates = !0; + try { + a: { + var previousExpirationContext = expirationContext; + expirationContext = 1; + try { + var JSCompiler_inline_result = fn(); + break a; + } finally { + expirationContext = previousExpirationContext; + } + JSCompiler_inline_result = void 0; + } + return JSCompiler_inline_result; + } finally { + (isBatchingUpdates = previousIsBatchingUpdates), + invariant( + !isRendering, + "flushSync was called from inside a lifecycle method. It cannot be called when React is already rendering." + ), + performWork(1, null); + } + }, + deferredUpdates: function(fn) { + var previousExpirationContext = expirationContext; + expirationContext = computeAsyncExpiration(); + try { + return fn(); + } finally { + expirationContext = previousExpirationContext; + } + }, + computeUniqueAsyncExpiration: function() { + var result = computeAsyncExpiration(); + result <= lastUniqueAsyncExpiration && + (result = lastUniqueAsyncExpiration + 1); + return (lastUniqueAsyncExpiration = result); + } + }; +} +function ReactFiberReconciler$1(config) { + function updateContainerAtExpirationTime( + element, + container, + parentComponent, + expirationTime, + callback + ) { + var current = container.current; + if (parentComponent) { + parentComponent = parentComponent._reactInternalFiber; + var parentContext; + b: { + invariant( + 2 === isFiberMountedImpl(parentComponent) && + 2 === parentComponent.tag, + "Expected subtree parent to be a mounted class component. This error is likely caused by a bug in React. Please file an issue." + ); + for (parentContext = parentComponent; 3 !== parentContext.tag; ) { + if (isContextProvider(parentContext)) { + parentContext = + parentContext.stateNode.__reactInternalMemoizedMergedChildContext; + break b; + } + parentContext = parentContext["return"]; + invariant( + parentContext, + "Found unexpected detached subtree parent. This error is likely caused by a bug in React. Please file an issue." + ); + } + parentContext = parentContext.stateNode.context; + } + parentComponent = isContextProvider(parentComponent) + ? processChildContext(parentComponent, parentContext) + : parentContext; + } else parentComponent = emptyObject; + null === container.context + ? (container.context = parentComponent) + : (container.pendingContext = parentComponent); + container = callback; + insertUpdateIntoFiber(current, { + expirationTime: expirationTime, + partialState: { element: element }, + callback: void 0 === container ? null : container, + isReplace: !1, + isForced: !1, + next: null + }); + scheduleWork(current, expirationTime); + return expirationTime; + } + function findHostInstance(fiber) { + fiber = findCurrentHostFiber(fiber); + return null === fiber ? null : fiber.stateNode; + } + var getPublicInstance = config.getPublicInstance; + config = ReactFiberScheduler(config); + var computeExpirationForFiber = config.computeExpirationForFiber, + scheduleWork = config.scheduleWork; + return { + createContainer: function(containerInfo, isAsync, hydrate) { + isAsync = new FiberNode(3, null, null, isAsync ? 3 : 0); + containerInfo = { + current: isAsync, + containerInfo: containerInfo, + pendingChildren: null, + remainingExpirationTime: 0, + isReadyForCommit: !1, + finishedWork: null, + context: null, + pendingContext: null, + hydrate: hydrate, + firstBatch: null, + nextScheduledRoot: null + }; + return (isAsync.stateNode = containerInfo); + }, + updateContainer: function(element, container, parentComponent, callback) { + var expirationTime = computeExpirationForFiber(container.current); + return updateContainerAtExpirationTime( + element, + container, + parentComponent, + expirationTime, + callback + ); + }, + updateContainerAtExpirationTime: updateContainerAtExpirationTime, + flushRoot: config.flushRoot, + requestWork: config.requestWork, + computeUniqueAsyncExpiration: config.computeUniqueAsyncExpiration, + batchedUpdates: config.batchedUpdates, + unbatchedUpdates: config.unbatchedUpdates, + deferredUpdates: config.deferredUpdates, + flushSync: config.flushSync, + getPublicRootInstance: function(container) { + container = container.current; + if (!container.child) return null; + switch (container.child.tag) { + case 5: + return getPublicInstance(container.child.stateNode); + default: + return container.child.stateNode; + } + }, + findHostInstance: findHostInstance, + findHostInstanceWithNoPortals: function(fiber) { + fiber = findCurrentHostFiberWithNoPortals(fiber); + return null === fiber ? null : fiber.stateNode; + }, + injectIntoDevTools: function(devToolsConfig) { + var findFiberByHostInstance = devToolsConfig.findFiberByHostInstance; + return injectInternals( + Object.assign({}, devToolsConfig, { + findHostInstanceByFiber: function(fiber) { + return findHostInstance(fiber); + }, + findFiberByHostInstance: function(instance) { + return findFiberByHostInstance + ? findFiberByHostInstance(instance) + : null; + } + }) + ); + } + }; +} +var ReactFiberReconciler$2 = Object.freeze({ default: ReactFiberReconciler$1 }), + ReactFiberReconciler$3 = + (ReactFiberReconciler$2 && ReactFiberReconciler$1) || + ReactFiberReconciler$2, + reactReconciler = ReactFiberReconciler$3["default"] + ? ReactFiberReconciler$3["default"] + : ReactFiberReconciler$3, + ReactFabricHostComponent = (function() { + function ReactFabricHostComponent(tag, viewConfig, props) { + if (!(this instanceof ReactFabricHostComponent)) + throw new TypeError("Cannot call a class as a function"); + this._nativeTag = tag; + this.viewConfig = viewConfig; + this.currentProps = props; + } + ReactFabricHostComponent.prototype.blur = function() { + TextInputState.blurTextInput(this._nativeTag); + }; + ReactFabricHostComponent.prototype.focus = function() { + TextInputState.focusTextInput(this._nativeTag); + }; + ReactFabricHostComponent.prototype.measure = function(callback) { + UIManager.measure(this._nativeTag, mountSafeCallback(this, callback)); + }; + ReactFabricHostComponent.prototype.measureInWindow = function(callback) { + UIManager.measureInWindow( + this._nativeTag, + mountSafeCallback(this, callback) + ); + }; + ReactFabricHostComponent.prototype.measureLayout = function( + relativeToNativeNode, + onSuccess, + onFail + ) { + UIManager.measureLayout( + this._nativeTag, + relativeToNativeNode, + mountSafeCallback(this, onFail), + mountSafeCallback(this, onSuccess) + ); + }; + ReactFabricHostComponent.prototype.setNativeProps = function(nativeProps) { + nativeProps = diffProperties( + null, + emptyObject$1, + nativeProps, + this.viewConfig.validAttributes + ); + null != nativeProps && + UIManager.updateView( + this._nativeTag, + this.viewConfig.uiViewClassName, + nativeProps + ); + }; + return ReactFabricHostComponent; + })(), + ReactFabricRenderer = reactReconciler({ + appendInitialChild: function(parentInstance, child) { + FabricUIManager.appendChild(parentInstance.node, child.node); + }, + createInstance: function( + type, + props, + rootContainerInstance, + hostContext, + internalInstanceHandle + ) { + hostContext = ReactNativeTagHandles.allocateTag(); + if (viewConfigs.has(type)) var viewConfig = viewConfigs.get(type); + else + (viewConfig = viewConfigCallbacks.get(type)), + invariant( + "function" === typeof viewConfig, + "View config not found for name %s", + type + ), + viewConfigCallbacks.set(type, null), + (viewConfig = viewConfig()), + viewConfigs.set(type, viewConfig); + invariant(viewConfig, "View config not found for name %s", type); + type = viewConfig; + viewConfig = diffProperties( + null, + emptyObject$1, + props, + type.validAttributes + ); + rootContainerInstance = FabricUIManager.createNode( + hostContext, + type.uiViewClassName, + rootContainerInstance, + viewConfig, + internalInstanceHandle + ); + props = new ReactFabricHostComponent(hostContext, type, props); + return { node: rootContainerInstance, canonical: props }; + }, + createTextInstance: function( + text, + rootContainerInstance, + hostContext, + internalInstanceHandle + ) { + hostContext = ReactNativeTagHandles.allocateTag(); + return { + node: FabricUIManager.createNode( + hostContext, + "RCTRawText", + rootContainerInstance, + { text: text }, + internalInstanceHandle + ) + }; + }, + finalizeInitialChildren: function() { + return !1; + }, + getRootHostContext: function() { + return emptyObject; + }, + getChildHostContext: function() { + return emptyObject; + }, + getPublicInstance: function(instance) { + return instance.canonical; + }, + now: now, + prepareForCommit: function() {}, + prepareUpdate: function(instance, type, oldProps, newProps) { + return diffProperties( + null, + oldProps, + newProps, + instance.canonical.viewConfig.validAttributes + ); + }, + resetAfterCommit: function() {}, + scheduleDeferredCallback: function(callback) { + scheduledCallback = callback; + return setTimeout(setTimeoutCallback, 1); + }, + cancelDeferredCallback: function(callbackID) { + scheduledCallback = null; + clearTimeout(callbackID); + }, + shouldDeprioritizeSubtree: function() { + return !1; + }, + shouldSetTextContent: function() { + return !1; + }, + persistence: { + cloneInstance: function( + instance, + updatePayload, + type, + oldProps, + newProps, + internalInstanceHandle, + keepChildren + ) { + type = instance.node; + return { + node: keepChildren + ? null !== updatePayload + ? FabricUIManager.cloneNodeWithNewProps(type, updatePayload) + : FabricUIManager.cloneNode(type) + : null !== updatePayload + ? FabricUIManager.cloneNodeWithNewChildrenAndProps( + type, + updatePayload + ) + : FabricUIManager.cloneNodeWithNewChildren(type), + canonical: instance.canonical + }; + }, + createContainerChildSet: function(container) { + return FabricUIManager.createChildSet(container); + }, + appendChildToContainerChildSet: function(childSet, child) { + FabricUIManager.appendChildToSet(childSet, child.node); + }, + finalizeContainerChildren: function(container, newChildren) { + FabricUIManager.completeRoot(container, newChildren); + }, + replaceContainerChildren: function() {} + } + }); +injection$2.injectFiberBatchedUpdates(ReactFabricRenderer.batchedUpdates); +var getInspectorDataForViewTag = void 0; +getInspectorDataForViewTag = function() { + invariant(!1, "getInspectorDataForViewTag() is not available in production"); +}; +findHostInstanceFabric = ReactFabricRenderer.findHostInstance; +injection$2.injectFiberBatchedUpdates(ReactFabricRenderer.batchedUpdates); +var roots = new Map(), + ReactFabric = { + NativeComponent: ReactNativeComponent, + findNodeHandle: findNumericNodeHandleFiber, + render: function(element, containerTag, callback) { + var root = roots.get(containerTag); + root || + ((root = ReactFabricRenderer.createContainer(containerTag, !1, !1)), + roots.set(containerTag, root)); + ReactFabricRenderer.updateContainer(element, root, null, callback); + return ReactFabricRenderer.getPublicRootInstance(root); + }, + unmountComponentAtNode: function(containerTag) { + var root = roots.get(containerTag); + root && + ReactFabricRenderer.updateContainer(null, root, null, function() { + roots["delete"](containerTag); + }); + }, + unmountComponentAtNodeAndRemoveContainer: function(containerTag) { + ReactFabric.unmountComponentAtNode(containerTag); + }, + createPortal: function(children, containerTag) { + return createPortal( + children, + containerTag, + null, + 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : null + ); + }, + unstable_batchedUpdates: batchedUpdates, + flushSync: ReactFabricRenderer.flushSync, + __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED: { + NativeMethodsMixin: { + measure: function(callback) { + UIManager.measure( + findNumericNodeHandleFiber(this), + mountSafeCallback(this, callback) + ); + }, + measureInWindow: function(callback) { + UIManager.measureInWindow( + findNumericNodeHandleFiber(this), + mountSafeCallback(this, callback) + ); + }, + measureLayout: function(relativeToNativeNode, onSuccess, onFail) { + UIManager.measureLayout( + findNumericNodeHandleFiber(this), + relativeToNativeNode, + mountSafeCallback(this, onFail), + mountSafeCallback(this, onSuccess) + ); + }, + setNativeProps: function(nativeProps) { + var maybeInstance = void 0; + try { + maybeInstance = findNodeHandle(this); + } catch (error) {} + if (null != maybeInstance) { + var viewConfig = maybeInstance.viewConfig; + nativeProps = diffProperties( + null, + emptyObject$1, + nativeProps, + viewConfig.validAttributes + ); + null != nativeProps && + UIManager.updateView( + maybeInstance._nativeTag, + viewConfig.uiViewClassName, + nativeProps + ); + } + }, + focus: function() { + TextInputState.focusTextInput(findNumericNodeHandleFiber(this)); + }, + blur: function() { + TextInputState.blurTextInput(findNumericNodeHandleFiber(this)); + } + }, + ReactNativeBridgeEventPlugin: ReactNativeBridgeEventPlugin, + ReactGlobalSharedState: ReactGlobalSharedState, + ReactNativeComponentTree: ReactNativeComponentTree, + ReactNativePropRegistry: ReactNativePropRegistry, + TouchHistoryMath: TouchHistoryMath, + createReactNativeComponentClass: function(name, callback) { + invariant( + !viewConfigCallbacks.has(name), + "Tried to register two views with the same name %s", + name + ); + viewConfigCallbacks.set(name, callback); + return name; + }, + takeSnapshot: function(view, options) { + "number" !== typeof view && + "window" !== view && + (view = findNumericNodeHandleFiber(view) || "window"); + return UIManager.__takeSnapshot(view, options); + } + } + }; +ReactFabricRenderer.injectIntoDevTools({ + findFiberByHostInstance: getInstanceFromTag, + getInspectorDataForViewTag: getInspectorDataForViewTag, + bundleType: 0, + version: "16.2.0", + rendererPackageName: "react-native-renderer" +}); +var ReactFabric$2 = Object.freeze({ default: ReactFabric }), + ReactFabric$3 = (ReactFabric$2 && ReactFabric) || ReactFabric$2; +module.exports = ReactFabric$3["default"] + ? ReactFabric$3["default"] + : ReactFabric$3; diff --git a/Libraries/Renderer/shims/ReactFeatureFlags.js b/Libraries/Renderer/shims/ReactFeatureFlags.js index ac1f582d08db94..5a2b32e747e601 100644 --- a/Libraries/Renderer/shims/ReactFeatureFlags.js +++ b/Libraries/Renderer/shims/ReactFeatureFlags.js @@ -11,9 +11,7 @@ const ReactFeatureFlags = { debugRenderPhaseSideEffects: false, - // TODO (T25573762) Hook this up to a GK for Facaebook engineers (DEV + prod). - debugRenderPhaseSideEffectsForStrictMode: true, - // TODO (T25573607) Enable this warning once deprecation codemod has been run. + debugRenderPhaseSideEffectsForStrictMode: false, warnAboutDeprecatedLifecycles: false, };