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Quelle react-dom.js
Sprache: JAVA
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/** @license React v16.6.1
* react-dom.production.min.js
*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
( function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(requir e('resource://devtools/client/shared/vendor/react.js')) :
typeof define === 'function' && define.amd ? define(['resource://devtools/client/shared/vendor/react.js'], factory) :
(global.ReactDOM = factory(global.React));
}(this, (function (React) { 'use strict';
/**
* Use invariant() to assert state which your program assumes to be true.
*
* Provide sprintf-style format (only %s is supported) and arguments
* to provide information about what broke and what you were
* expecting.
*
* The invariant message will be stripped in production, but the invariant
* will remain to ensure logic does not differ in production.
*/
function invariant(condition, format, a, b, c, d, e, f) {
if (!condition) {
var error = void 0;
if (format === undefined) {
error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');
} else {
var args = [a, b, c, d, e, f];
var argIndex = 0;
error = new Error(format.replace(/%s/g, function () {
return args[argIndex++];
}));
error.name = 'Invariant Violation';
}
error.framesToPop = 1; // we don't care about invariant's own frame
throw error;
}
}
// Relying on the `invariant()` implementation lets us
// preserve the format and params in the www builds.
/**
* WARNING: DO NOT manually require this module.
* This is a replacement for `invariant(...)` used by the error code system
* and will _only_ be required by the corresponding babel pass.
* It always throws.
*/
function reactProdInvariant(code) {
var argCount = arguments.length - 1;
var url = 'https://reactjs.org/docs/error-decoder.html?invariant=' + code;
for (var argIdx = 0; argIdx < argCount; argIdx++) {
url += '&args[]=' + encodeURIComponent(arguments[argIdx + 1]);
}
// Rename it so that our build transform doesn't attempt
// to replace this invariant() call with reactProdInvariant().
var i = invariant;
i(false,
// The error code is intentionally part of the message (and
// not the format argument) so that we could deduplicate
// different errors in logs based on the code.
'Minified React error #' + code + '; visit %s ' + 'for the full message or use the non-minified dev environment ' + 'for full errors and additional helpful warnings. ', url);
}
!React ? reactProdInvariant('227') : void 0;
var invokeGuardedCallbackImpl = function (name, func, context, a, b, c, d, e, f) {
var funcArgs = Array.prototype.slice.call(arguments, 3);
try {
func.apply(context, funcArgs);
} catch (error) {
this.onError(error);
}
};
// Used by Fiber to simulate a try-catch.
var hasError = false;
var caughtError = null;
// Used by event system to capture/rethrow the first error.
var hasRethrowError = false;
var rethrowError = null;
var reporter = {
onError: function (error) {
hasError = true;
caughtError = error;
}
};
/**
* 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
*/
function invokeGuardedCallback(name, func, context, a, b, c, d, e, f) {
hasError = false;
caughtError = null;
invokeGuardedCallbackImpl.apply(reporter, 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
*/
function invokeGuardedCallbackAndCatchFirstError(name, func, context, a, b, c, d, e, f) {
invokeGuardedCallback.apply(this, arguments);
if (hasError) {
var error = clearCaughtError();
if (!hasRethrowError) {
hasRethrowError = true;
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.
*/
function rethrowCaughtError() {
if (hasRethrowError) {
var error = rethrowError;
hasRethrowError = false;
rethrowError = null;
throw error;
}
}
function clearCaughtError() {
if (hasError) {
var error = caughtError;
hasError = false;
caughtError = null;
return error;
} else {
reactProdInvariant('198');
}
}
/**
* 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);
!(pluginIndex > -1) ? reactProdInvariant('96', pluginName) : void 0;
if (plugins[pluginIndex]) {
continue;
}
!pluginModule.extractEvents ? reactProdInvariant('97', pluginName) : void 0;
plugins[pluginIndex] = pluginModule;
var publishedEvents = pluginModule.eventTypes;
for (var eventName in publishedEvents) {
!publishEventForPlugin(publishedEvents[eventName], pluginModule, eventName) ? reactProdInvariant('98', eventName, pluginName) : void 0;
}
}
}
/**
* 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) {
!!eventNameDispatchConfigs.hasOwnProperty(eventName) ? reactProdInvariant('99', eventName) : void 0;
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) {
!!registrationNameModules[registrationName] ? reactProdInvariant('100', registrationName) : void 0;
registrationNameModules[registrationName] = pluginModule;
registrationNameDependencies[registrationName] = pluginModule.eventTypes[eventName].dependencies;
}
/**
* 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 false.
* @type {Object}
*/
// Trust the developer to only use possibleRegistrationNames in false
/**
* 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) {
!!eventPluginOrder ? reactProdInvariant('101') : void 0;
// 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) {
var isOrderingDirty = false;
for (var pluginName in injectedNamesToPlugins) {
if (!injectedNamesToPlugins.hasOwnProperty(pluginName)) {
continue;
}
var pluginModule = injectedNamesToPlugins[pluginName];
if (!namesToPlugins.hasOwnProperty(pluginName) || namesToPlugins[pluginName] !== pluginModule) {
!!namesToPlugins[pluginName] ? reactProdInvariant('102', pluginName) : void 0;
namesToPlugins[pluginName] = pluginModule;
isOrderingDirty = true;
}
}
if (isOrderingDirty) {
recomputePluginOrdering();
}
}
/**
* 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 getFiberCurrentPropsFromNode = null;
var getInstanceFromNode = null;
var getNodeFromInstance = null;
function setComponentTree(getFiberCurrentPropsFromNodeImpl, getInstanceFromNodeImpl, getNodeFromInstanceImpl) {
getFiberCurrentPropsFromNode = getFiberCurrentPropsFromNodeImpl;
getInstanceFromNode = getInstanceFromNodeImpl;
getNodeFromInstance = getNodeFromInstanceImpl;
}
/**
* Dispatch the event to the listener.
* @param {SyntheticEvent} event SyntheticEvent to handle
* @param {function} listener Application-level callback
* @param {*} inst Internal component instance
*/
function executeDispatch(event, listener, inst) {
var type = event.type || 'unknown-event';
event.currentTarget = getNodeFromInstance(inst);
invokeGuardedCallbackAndCatchFirstError(type, listener, undefined, event);
event.currentTarget = null;
}
/**
* Standard/simple iteration through an event's collected dispatches.
*/
function executeDispatchesInOrder(event) {
var dispatchListeners = event._dispatchListeners;
var dispatchInstances = event._dispatchInstances;
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, dispatchListeners[i], dispatchInstances[i]);
}
} else if (dispatchListeners) {
executeDispatch(event, dispatchListeners, dispatchInstances);
}
event._dispatchListeners = null;
event._dispatchInstances = null;
}
/**
* @see executeDispatchesInOrderStopAtTrueImpl
*/
/**
* 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.
*/
/**
* @param {SyntheticEvent} event
* @return {boolean} True iff number of dispatches accumulated is greater than 0.
*/
/**
* 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) {
!(next != null) ? reactProdInvariant('30') : void 0;
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.
* @private
*/
var executeDispatchesAndRelease = function (event) {
if (event) {
executeDispatchesInOrder(event);
if (!event.isPersistent()) {
event.constructor.release(event);
}
}
};
var executeDispatchesAndReleaseTopLevel = function (e) {
return executeDispatchesAndRelease(e);
};
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;
}
!(!listener || typeof listener === 'function') ? reactProdInvariant('231', registrationName, typeof listener) : void 0;
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) {
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;
}
forEachAccumulated(processingEventQueue, executeDispatchesAndReleaseTopLevel);
!!eventQueue ? reactProdInvariant('95') : void 0;
// This would be a good time to rethrow if any of the event handlers threw.
rethrowCaughtError();
}
function runExtractedEventsInBatch(topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var events = extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget);
runEventsInBatch(events);
}
var FunctionComponent = 0;
var ClassComponent = 1;
var IndeterminateComponent = 2; // Before we know whether it is function or class
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 Fragment = 7;
var Mode = 8;
var ContextConsumer = 9;
var ContextProvider = 10;
var ForwardRef = 11;
var Profiler = 12;
var SuspenseComponent = 13;
var MemoComponent = 14;
var SimpleMemoComponent = 15;
var LazyComponent = 16;
var IncompleteClassComponent = 17;
var DehydratedSuspenseComponent = 18;
var randomKey = Math.random().toString(36).slice(2);
var internalInstanceKey = '__reactInternalInstance$' + randomKey;
var internalEventHandlersKey = '__reactEventHandlers$' + randomKey;
function precacheFiberNode(hostInst, node) {
node[internalInstanceKey] = hostInst;
}
/**
* Given a DOM node, return the closest ReactDOMComponent or
* ReactDOMTextComponent instance ancestor.
*/
function getClosestInstanceFromNode(node) {
if (node[internalInstanceKey]) {
return node[internalInstanceKey];
}
while (!node[internalInstanceKey]) {
if (node.parentNode) {
node = node.parentNode;
} else {
// Top of the tree. This node must not be part of a React tree (or is
// unmounted, potentially).
return null;
}
}
var inst = node[internalInstanceKey];
if (inst.tag === HostComponent || inst.tag === HostText) {
// In Fiber, this will always be the deepest root.
return inst;
}
return null;
}
/**
* Given a DOM node, return the ReactDOMComponent or ReactDOMTextComponent
* instance, or null if the node was not rendered by this React.
*/
function getInstanceFromNode$1(node) {
var inst = node[internalInstanceKey];
if (inst) {
if (inst.tag === HostComponent || inst.tag === HostText) {
return inst;
} else {
return null;
}
}
return null;
}
/**
* Given a ReactDOMComponent or ReactDOMTextComponent, return the corresponding
* DOM node.
*/
function getNodeFromInstance$1(inst) {
if (inst.tag === HostComponent || inst.tag === HostText) {
// In Fiber this, is just the state node right now. We assume it will be
// a host component or host text.
return inst.stateNode;
}
// Without this first invariant, passing a non-DOM-component triggers the next
// invariant for a missing parent, which is super confusing.
reactProdInvariant('33');
}
function getFiberCurrentPropsFromNode$1(node) {
return node[internalEventHandlersKey] || null;
}
function updateFiberProps(node, props) {
node[internalEventHandlersKey] = props;
}
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.
*/
/**
* Return the parent instance of the passed-in instance.
*/
/**
* 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.
*/
function traverseEnterLeave(from, to, fn, argFrom, argTo) {
var common = from && to ? getLowestCommonAncestor(from, to) : null;
var pathFrom = [];
while (true) {
if (!from) {
break;
}
if (from === common) {
break;
}
var alternate = from.alternate;
if (alternate !== null && alternate === common) {
break;
}
pathFrom.push(from);
from = getParent(from);
}
var pathTo = [];
while (true) {
if (!to) {
break;
}
if (to === common) {
break;
}
var _alternate = to.alternate;
if (_alternate !== null && _alternate === common) {
break;
}
pathTo.push(to);
to = getParent(to);
}
for (var i = 0; i < pathFrom.length; i++) {
fn(pathFrom[i], 'bubbled', argFrom);
}
for (var _i = pathTo.length; _i-- > 0;) {
fn(pathTo[_i], 'captured', argTo);
}
}
/**
* 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) {
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);
}
}
/**
* 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 accumulateEnterLeaveDispatches(leave, enter, from, to) {
traverseEnterLeave(from, to, accumulateDispatches, leave, enter);
}
function accumulateDirectDispatches(events) {
forEachAccumulated(events, accumulateDirectDispatchesSingle);
}
var canUseDOM = !!(typeof window !== 'undefined' && window.document && window.document.createElement);
// Do not uses the below two methods directly!
// Instead use constants exported from DOMTopLevelEventTypes in ReactDOM.
// (It is the only module that is allowed to access these methods.)
function unsafeCastStringToDOMTopLevelType(topLevelType) {
return topLevelType;
}
function unsafeCastDOMTopLevelTypeToString(topLevelType) {
return topLevelType;
}
/**
* Generate a mapping of standard vendor prefixes using the defined style property and event name.
*
* @param {string} styleProp
* @param {string} eventName
* @returns {object}
*/
function makePrefixMap(styleProp, eventName) {
var prefixes = {};
prefixes[styleProp.toLowerCase()] = eventName.toLowerCase();
prefixes['Webkit' + styleProp] = 'webkit' + eventName;
prefixes['Moz' + styleProp] = 'moz' + eventName;
return prefixes;
}
/**
* A list of event names to a configurable list of vendor prefixes.
*/
var vendorPrefixes = {
animationend: makePrefixMap('Animation', 'AnimationEnd'),
animationiteration: makePrefixMap('Animation', 'AnimationIteration'),
animationstart: makePrefixMap('Animation', 'AnimationStart'),
transitionend: makePrefixMap('Transition', 'TransitionEnd')
};
/**
* Event names that have already been detected and prefixed (if applicable).
*/
var prefixedEventNames = {};
/**
* Element to check for prefixes on.
*/
var style = {};
/**
* Bootstrap if a DOM exists.
*/
if (canUseDOM) {
style = document.createElementNS('http://www.w3.org/1999/xhtml', 'div').style;
// On some platforms, in particular some releases of Android 4.x,
// the un-prefixed "animation" and "transition" properties are defined on the
// style object but the events that fire will still be prefixed, so we need
// to check if the un-prefixed events are usable, and if not remove them from the map.
if (!('AnimationEvent' in window)) {
delete vendorPrefixes.animationend.animation;
delete vendorPrefixes.animationiteration.animation;
delete vendorPrefixes.animationstart.animation;
}
// Same as above
if (!('TransitionEvent' in window)) {
delete vendorPrefixes.transitionend.transition;
}
}
/**
* Attempts to determine the correct vendor prefixed event name.
*
* @param {string} eventName
* @returns {string}
*/
function getVendorPrefixedEventName(eventName) {
if (prefixedEventNames[eventName]) {
return prefixedEventNames[eventName];
} else if (!vendorPrefixes[eventName]) {
return eventName;
}
var prefixMap = vendorPrefixes[eventName];
for (var styleProp in prefixMap) {
if (prefixMap.hasOwnProperty(styleProp) && styleProp in style) {
return prefixedEventNames[eventName] = prefixMap[styleProp];
}
}
return eventName;
}
/**
* To identify top level events in ReactDOM, we use constants defined by this
* module. This is the only module that uses the unsafe* methods to express
* that the constants actually correspond to the browser event names. This lets
* us save some bundle size by avoiding a top level type -> event name map.
* The rest of ReactDOM code should import top level types from this file.
*/
var TOP_ABORT = unsafeCastStringToDOMTopLevelType('abort');
var TOP_ANIMATION_END = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('animationend'));
var TOP_ANIMATION_ITERATION = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('animationiteration'));
var TOP_ANIMATION_START = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('animationstart'));
var TOP_BLUR = unsafeCastStringToDOMTopLevelType('blur');
var TOP_CAN_PLAY = unsafeCastStringToDOMTopLevelType('canplay');
var TOP_CAN_PLAY_THROUGH = unsafeCastStringToDOMTopLevelType('canplaythrough');
var TOP_CANCEL = unsafeCastStringToDOMTopLevelType('cancel');
var TOP_CHANGE = unsafeCastStringToDOMTopLevelType('change');
var TOP_CLICK = unsafeCastStringToDOMTopLevelType('click');
var TOP_CLOSE = unsafeCastStringToDOMTopLevelType('close');
var TOP_COMPOSITION_END = unsafeCastStringToDOMTopLevelType('compositionend');
var TOP_COMPOSITION_START = unsafeCastStringToDOMTopLevelType('compositionstart');
var TOP_COMPOSITION_UPDATE = unsafeCastStringToDOMTopLevelType('compositionupdate');
var TOP_CONTEXT_MENU = unsafeCastStringToDOMTopLevelType('contextmenu');
var TOP_COPY = unsafeCastStringToDOMTopLevelType('copy');
var TOP_CUT = unsafeCastStringToDOMTopLevelType('cut');
var TOP_DOUBLE_CLICK = unsafeCastStringToDOMTopLevelType('dblclick');
var TOP_AUX_CLICK = unsafeCastStringToDOMTopLevelType('auxclick');
var TOP_DRAG = unsafeCastStringToDOMTopLevelType('drag');
var TOP_DRAG_END = unsafeCastStringToDOMTopLevelType('dragend');
var TOP_DRAG_ENTER = unsafeCastStringToDOMTopLevelType('dragenter');
var TOP_DRAG_EXIT = unsafeCastStringToDOMTopLevelType('dragexit');
var TOP_DRAG_LEAVE = unsafeCastStringToDOMTopLevelType('dragleave');
var TOP_DRAG_OVER = unsafeCastStringToDOMTopLevelType('dragover');
var TOP_DRAG_START = unsafeCastStringToDOMTopLevelType('dragstart');
var TOP_DROP = unsafeCastStringToDOMTopLevelType('drop');
var TOP_DURATION_CHANGE = unsafeCastStringToDOMTopLevelType('durationchange');
var TOP_EMPTIED = unsafeCastStringToDOMTopLevelType('emptied');
var TOP_ENCRYPTED = unsafeCastStringToDOMTopLevelType('encrypted');
var TOP_ENDED = unsafeCastStringToDOMTopLevelType('ended');
var TOP_ERROR = unsafeCastStringToDOMTopLevelType('error');
var TOP_FOCUS = unsafeCastStringToDOMTopLevelType('focus');
var TOP_GOT_POINTER_CAPTURE = unsafeCastStringToDOMTopLevelType('gotpointercapture');
var TOP_INPUT = unsafeCastStringToDOMTopLevelType('input');
var TOP_INVALID = unsafeCastStringToDOMTopLevelType('invalid');
var TOP_KEY_DOWN = unsafeCastStringToDOMTopLevelType('keydown');
var TOP_KEY_PRESS = unsafeCastStringToDOMTopLevelType('keypress');
var TOP_KEY_UP = unsafeCastStringToDOMTopLevelType('keyup');
var TOP_LOAD = unsafeCastStringToDOMTopLevelType('load');
var TOP_LOAD_START = unsafeCastStringToDOMTopLevelType('loadstart');
var TOP_LOADED_DATA = unsafeCastStringToDOMTopLevelType('loadeddata');
var TOP_LOADED_METADATA = unsafeCastStringToDOMTopLevelType('loadedmetadata');
var TOP_LOST_POINTER_CAPTURE = unsafeCastStringToDOMTopLevelType('lostpointercapture');
var TOP_MOUSE_DOWN = unsafeCastStringToDOMTopLevelType('mousedown');
var TOP_MOUSE_MOVE = unsafeCastStringToDOMTopLevelType('mousemove');
var TOP_MOUSE_OUT = unsafeCastStringToDOMTopLevelType('mouseout');
var TOP_MOUSE_OVER = unsafeCastStringToDOMTopLevelType('mouseover');
var TOP_MOUSE_UP = unsafeCastStringToDOMTopLevelType('mouseup');
var TOP_PASTE = unsafeCastStringToDOMTopLevelType('paste');
var TOP_PAUSE = unsafeCastStringToDOMTopLevelType('pause');
var TOP_PLAY = unsafeCastStringToDOMTopLevelType('play');
var TOP_PLAYING = unsafeCastStringToDOMTopLevelType('playing');
var TOP_POINTER_CANCEL = unsafeCastStringToDOMTopLevelType('pointercancel');
var TOP_POINTER_DOWN = unsafeCastStringToDOMTopLevelType('pointerdown');
var TOP_POINTER_MOVE = unsafeCastStringToDOMTopLevelType('pointermove');
var TOP_POINTER_OUT = unsafeCastStringToDOMTopLevelType('pointerout');
var TOP_POINTER_OVER = unsafeCastStringToDOMTopLevelType('pointerover');
var TOP_POINTER_UP = unsafeCastStringToDOMTopLevelType('pointerup');
var TOP_PROGRESS = unsafeCastStringToDOMTopLevelType('progress');
var TOP_RATE_CHANGE = unsafeCastStringToDOMTopLevelType('ratechange');
var TOP_RESET = unsafeCastStringToDOMTopLevelType('reset');
var TOP_SCROLL = unsafeCastStringToDOMTopLevelType('scroll');
var TOP_SEEKED = unsafeCastStringToDOMTopLevelType('seeked');
var TOP_SEEKING = unsafeCastStringToDOMTopLevelType('seeking');
var TOP_SELECTION_CHANGE = unsafeCastStringToDOMTopLevelType('selectionchange');
var TOP_STALLED = unsafeCastStringToDOMTopLevelType('stalled');
var TOP_SUBMIT = unsafeCastStringToDOMTopLevelType('submit');
var TOP_SUSPEND = unsafeCastStringToDOMTopLevelType('suspend');
var TOP_TEXT_INPUT = unsafeCastStringToDOMTopLevelType('textInput');
var TOP_TIME_UPDATE = unsafeCastStringToDOMTopLevelType('timeupdate');
var TOP_TOGGLE = unsafeCastStringToDOMTopLevelType('toggle');
var TOP_TOUCH_CANCEL = unsafeCastStringToDOMTopLevelType('touchcancel');
var TOP_TOUCH_END = unsafeCastStringToDOMTopLevelType('touchend');
var TOP_TOUCH_MOVE = unsafeCastStringToDOMTopLevelType('touchmove');
var TOP_TOUCH_START = unsafeCastStringToDOMTopLevelType('touchstart');
var TOP_TRANSITION_END = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('transitionend'));
var TOP_VOLUME_CHANGE = unsafeCastStringToDOMTopLevelType('volumechange');
var TOP_WAITING = unsafeCastStringToDOMTopLevelType('waiting');
var TOP_WHEEL = unsafeCastStringToDOMTopLevelType('wheel');
// List of events that need to be individually attached to media elements.
// Note that events in this list will *not* be listened to at the top level
// unless they're explicitly whitelisted in `ReactBrowserEventEmitter.listenTo`.
var mediaEventTypes = [TOP_ABORT, TOP_CAN_PLAY, TOP_CAN_PLAY_THROUGH, TOP_DURATION_CHANGE, TOP_EMPTIED, TOP_ENCRYPTED, TOP_ENDED, TOP_ERROR, TOP_LOADED_DATA, TOP_LOADED_METADATA, TOP_LOAD_START, TOP_PAUSE, TOP_PLAY, TOP_PLAYING, TOP_PROGRESS, TOP_RATE_CHANGE, TOP_SEEKED, TOP_SEEKING, TOP_STALLED, TOP_SUSPEND, TOP_TIME_UPDATE, TOP_VOLUME_CHANGE, TOP_WAITING];
function getRawEventName(topLevelType) {
return unsafeCastDOMTopLevelTypeToString(topLevelType);
}
/**
* These variables store information about text content of a target node,
* allowing comparison of content before and after a given event.
*
* Identify the node where selection currently begins, then observe
* both its text content and its current position in the DOM. Since the
* browser may natively replace the target node during composition, we can
* use its position to find its replacement.
*
*
*/
var root = null;
var startText = null;
var fallbackText = null;
function initialize(nativeEventTarget) {
root = nativeEventTarget;
startText = getText();
return true;
}
function reset() {
root = null;
startText = null;
fallbackText = null;
}
function getData() {
if (fallbackText) {
return fallbackText;
}
var start = void 0;
var startValue = startText;
var startLength = startValue.length;
var end = void 0;
var endValue = getText();
var endLength = endValue.length;
for (start = 0; start < startLength; start++) {
if (startValue[start] !== endValue[start]) {
break;
}
}
var minEnd = startLength - start;
for (end = 1; end <= minEnd; end++) {
if (startValue[startLength - end] !== endValue[endLength - end]) {
break;
}
}
var sliceTail = end > 1 ? 1 - end : undefined;
fallbackText = endValue.slice(start, sliceTail);
return fallbackText;
}
function getText() {
if ('value' in root) {
return root.value;
}
return root.textContent;
}
var ReactInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;
var _assign = ReactInternals.assign;
/* eslint valid-typeof: 0 */
var EVENT_POOL_SIZE = 10;
/**
* @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: function () {
return null;
},
eventPhase: null,
bubbles: null,
cancelable: null,
timeStamp: function (event) {
return event.timeStamp || Date.now();
},
defaultPrevented: null,
isTrusted: null
};
function functionThatReturnsTrue() {
return true;
}
function functionThatReturnsFalse() {
return false;
}
/**
* 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) {
this.dispatchConfig = dispatchConfig;
this._targetInst = targetInst;
this.nativeEvent = nativeEvent;
var Interface = this.constructor.Interface;
for (var propName in Interface) {
if (!Interface.hasOwnProperty(propName)) {
continue;
}
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 = functionThatReturnsTrue;
} else {
this.isDefaultPrevented = functionThatReturnsFalse;
}
this.isPropagationStopped = functionThatReturnsFalse;
return this;
}
_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 = functionThatReturnsTrue;
},
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 = functionThatReturnsTrue;
},
/**
* 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 = functionThatReturnsTrue;
},
/**
* Checks if this event should be released back into the pool.
*
* @return {boolean} True if this should not be released, false otherwise.
*/
isPersistent: functionThatReturnsFalse,
/**
* `PooledClass` looks for `destructor` on each instance it releases.
*/
destructor: function () {
var Interface = this.constructor.Interface;
for (var propName in Interface) {
{
this[propName] = null;
}
}
this.dispatchConfig = null;
this._targetInst = null;
this.nativeEvent = null;
this.isDefaultPrevented = functionThatReturnsFalse;
this.isPropagationStopped = functionThatReturnsFalse;
this._dispatchListeners = null;
this._dispatchInstances = null;
}
});
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);
}
_assign(prototype, Class.prototype);
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.Interface = _assign({}, Super.Interface, Interface);
Class.extend = Super.extend;
addEventPoolingTo(Class);
return Class;
};
addEventPoolingTo(SyntheticEvent);
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;
!(event instanceof EventConstructor) ? reactProdInvariant('279') : void 0;
event.destructor();
if (EventConstructor.eventPool.length < EVENT_POOL_SIZE) {
EventConstructor.eventPool.push(event);
}
}
function addEventPoolingTo(EventConstructor) {
EventConstructor.eventPool = [];
EventConstructor.getPooled = getPooledEvent;
EventConstructor.release = releasePooledEvent;
}
/**
* @interface Event
* @see http://www.w3.org/TR/DOM-Level-3-Events/#events-compositionevents
*/
var SyntheticCompositionEvent = SyntheticEvent.extend({
data: null
});
/**
* @interface Event
* @see http://www.w3.org/TR/2013/WD-DOM-Level-3-Events-20131105
* /#events-inputevents
*/
var SyntheticInputEvent = SyntheticEvent.extend({
data: null
});
var END_KEYCODES = [9, 13, 27, 32]; // Tab, Return, Esc, Space
var START_KEYCODE = 229;
var canUseCompositionEvent = canUseDOM && 'CompositionEvent' in window;
var documentMode = null;
if (canUseDOM && 'documentMode' in document) {
documentMode = document.documentMode;
}
// Webkit offers a very useful `textInput` event that can be used to
// directly represent `beforeInput`. The IE `textinput` event is not as
// useful, so we don't use it.
var canUseTextInputEvent = canUseDOM && 'TextEvent' in window && !documentMode;
// In IE9+, we have access to composition events, but the data supplied
// by the native compositionend event may be incorrect. Japanese ideographic
// spaces, for instance (\u3000) are not recorded correctly.
var useFallbackCompositionData = canUseDOM && (!canUseCompositionEvent || documentMode && documentMode > 8 && documentMode <= 11);
var SPACEBAR_CODE = 32;
var SPACEBAR_CHAR = String.fromCharCode(SPACEBAR_CODE);
// Events and their corresponding property names.
var eventTypes = {
beforeInput: {
phasedRegistrationNames: {
bubbled: 'onBeforeInput',
captured: 'onBeforeInputCapture'
},
dependencies: [TOP_COMPOSITION_END, TOP_KEY_PRESS, TOP_TEXT_INPUT, TOP_PASTE]
},
compositionEnd: {
phasedRegistrationNames: {
bubbled: 'onCompositionEnd',
captured: 'onCompositionEndCapture'
},
dependencies: [TOP_BLUR, TOP_COMPOSITION_END, TOP_KEY_DOWN, TOP_KEY_PRESS, TOP_KEY_UP, TOP_MOUSE_DOWN]
},
compositionStart: {
phasedRegistrationNames: {
bubbled: 'onCompositionStart',
captured: 'onCompositionStartCapture'
},
dependencies: [TOP_BLUR, TOP_COMPOSITION_START, TOP_KEY_DOWN, TOP_KEY_PRESS, TOP_KEY_UP, TOP_MOUSE_DOWN]
},
compositionUpdate: {
phasedRegistrationNames: {
bubbled: 'onCompositionUpdate',
captured: 'onCompositionUpdateCapture'
},
dependencies: [TOP_BLUR, TOP_COMPOSITION_UPDATE, TOP_KEY_DOWN, TOP_KEY_PRESS, TOP_KEY_UP, TOP_MOUSE_DOWN]
}
};
// Track whether we've ever handled a keypress on the space key.
var hasSpaceKeypress = false;
/**
* Return whether a native keypress event is assumed to be a command.
* This is required because Firefox fires `keypress` events for key commands
* (cut, copy, select-all, etc.) even though no character is inserted.
*/
function isKeypressCommand(nativeEvent) {
return (nativeEvent.ctrlKey || nativeEvent.altKey || nativeEvent.metaKey) &&
// ctrlKey && altKey is equivalent to AltGr, and is not a command.
!(nativeEvent.ctrlKey && nativeEvent.altKey);
}
/**
* Translate native top level events into event types.
*
* @param {string} topLevelType
* @return {object}
*/
function getCompositionEventType(topLevelType) {
switch (topLevelType) {
case TOP_COMPOSITION_START:
return eventTypes.compositionStart;
case TOP_COMPOSITION_END:
return eventTypes.compositionEnd;
case TOP_COMPOSITION_UPDATE:
return eventTypes.compositionUpdate;
}
}
/**
* Does our fallback best-guess model think this event signifies that
* composition has begun?
*
* @param {string} topLevelType
* @param {object} nativeEvent
* @return {boolean}
*/
function isFallbackCompositionStart(topLevelType, nativeEvent) {
return topLevelType === TOP_KEY_DOWN && nativeEvent.keyCode === START_KEYCODE;
}
/**
* Does our fallback mode think that this event is the end of composition?
*
* @param {string} topLevelType
* @param {object} nativeEvent
* @return {boolean}
*/
function isFallbackCompositionEnd(topLevelType, nativeEvent) {
switch (topLevelType) {
case TOP_KEY_UP:
// Command keys insert or clear IME input.
return END_KEYCODES.indexOf(nativeEvent.keyCode) !== -1;
case TOP_KEY_DOWN:
// Expect IME keyCode on each keydown. If we get any other
// code we must have exited earlier.
return nativeEvent.keyCode !== START_KEYCODE;
case TOP_KEY_PRESS:
case TOP_MOUSE_DOWN:
case TOP_BLUR:
// Events are not possible without cancelling IME.
return true;
default:
return false;
}
}
/**
* Google Input Tools provides composition data via a CustomEvent,
* with the `data` property populated in the `detail` object. If this
* is available on the event object, use it. If not, this is a plain
* composition event and we have nothing special to extract.
*
* @param {object} nativeEvent
* @return {?string}
*/
function getDataFromCustomEvent(nativeEvent) {
var detail = nativeEvent.detail;
if (typeof detail === 'object' && 'data' in detail) {
return detail.data;
}
return null;
}
/**
* Check if a composition event was triggered by Korean IME.
* Our fallback mode does not work well with IE's Korean IME,
* so just use native composition events when Korean IME is used.
* Although CompositionEvent.locale property is deprecated,
* it is available in IE, where our fallback mode is enabled.
*
* @param {object} nativeEvent
* @return {boolean}
*/
function isUsingKoreanIME(nativeEvent) {
return nativeEvent.locale === 'ko';
}
// Track the current IME composition status, if any.
var isComposing = false;
/**
* @return {?object} A SyntheticCompositionEvent.
*/
function extractCompositionEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var eventType = void 0;
var fallbackData = void 0;
if (canUseCompositionEvent) {
eventType = getCompositionEventType(topLevelType);
} else if (!isComposing) {
if (isFallbackCompositionStart(topLevelType, nativeEvent)) {
eventType = eventTypes.compositionStart;
}
} else if (isFallbackCompositionEnd(topLevelType, nativeEvent)) {
eventType = eventTypes.compositionEnd;
}
if (!eventType) {
return null;
}
if (useFallbackCompositionData && !isUsingKoreanIME(nativeEvent)) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!isComposing && eventType === eventTypes.compositionStart) {
isComposing = initialize(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (isComposing) {
fallbackData = getData();
}
}
}
var event = SyntheticCompositionEvent.getPooled(eventType, targetInst, nativeEvent, nativeEventTarget);
if (fallbackData) {
// Inject data generated from fallback path into the synthetic event.
// This matches the property of native CompositionEventInterface.
event.data = fallbackData;
} else {
var customData = getDataFromCustomEvent(nativeEvent);
if (customData !== null) {
event.data = customData;
}
}
accumulateTwoPhaseDispatches(event);
return event;
}
/**
* @param {TopLevelType} topLevelType Number from `TopLevelType`.
* @param {object} nativeEvent Native browser event.
* @return {?string} The string corresponding to this `beforeInput` event.
*/
function getNativeBeforeInputChars(topLevelType, nativeEvent) {
switch (topLevelType) {
case TOP_COMPOSITION_END:
return getDataFromCustomEvent(nativeEvent);
case TOP_KEY_PRESS:
/**
* If native `textInput` events are available, our goal is to make
* use of them. However, there is a special case: the spacebar key.
* In Webkit, preventing default on a spacebar `textInput` event
* cancels character insertion, but it *also* causes the browser
* to fall back to its default spacebar behavior of scrolling the
* page.
*
* Tracking at:
* https://code.google.com/p/chromium/issues/detail?id=355103
*
* To avoid this issue, use the keypress event as if no `textInput`
* event is available.
*/
var which = nativeEvent.which;
if (which !== SPACEBAR_CODE) {
return null;
}
hasSpaceKeypress = true;
return SPACEBAR_CHAR;
case TOP_TEXT_INPUT:
// Record the characters to be added to the DOM.
var chars = nativeEvent.data;
// If it's a spacebar character, assume that we have already handled
// it at the keypress level and bail immediately. Android Chrome
// doesn't give us keycodes, so we need to ignore it.
if (chars === SPACEBAR_CHAR && hasSpaceKeypress) {
return null;
}
return chars;
default:
// For other native event types, do nothing.
return null;
}
}
/**
* For browsers that do not provide the `textInput` event, extract the
* appropriate string to use for SyntheticInputEvent.
*
* @param {number} topLevelType Number from `TopLevelEventTypes`.
* @param {object} nativeEvent Native browser event.
* @return {?string} The fallback string for this `beforeInput` event.
*/
function getFallbackBeforeInputChars(topLevelType, nativeEvent) {
// If we are currently composing (IME) and using a fallback to do so,
// try to extract the composed characters from the fallback object.
// If composition event is available, we extract a string only at
// compositionevent, otherwise extract it at fallback events.
if (isComposing) {
if (topLevelType === TOP_COMPOSITION_END || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType, nativeEvent)) {
var chars = getData();
reset();
isComposing = false;
return chars;
}
return null;
}
switch (topLevelType) {
case TOP_PASTE:
// If a paste event occurs after a keypress, throw out the input
// chars. Paste events should not lead to BeforeInput events.
return null;
case TOP_KEY_PRESS:
/**
* As of v27, Firefox may fire keypress events even when no character
* will be inserted. A few possibilities:
*
* - `which` is `0`. Arrow keys, Esc key, etc.
*
* - `which` is the pressed key code, but no char is available.
* Ex: 'AltGr + d` in Polish. There is no modified character for
* this key combination and no character is inserted into the
* document, but FF fires the keypress for char code `100` anyway.
* No `input` event will occur.
*
* - `which` is the pressed key code, but a command combination is
* being used. Ex: `Cmd+C`. No character is inserted, and no
* `input` event will occur.
*/
if (!isKeypressCommand(nativeEvent)) {
// IE fires the `keypress` event when a user types an emoji via
// Touch keyboard of Windows. In such a case, the `char` property
// holds an emoji character like `\uD83D\uDE0A`. Because its length
// is 2, the property `which` does not represent an emoji correctly.
// In such a case, we directly return the `char` property instead of
// using `which`.
if (nativeEvent.char && nativeEvent.char.length > 1) {
return nativeEvent.char;
} else if (nativeEvent.which) {
return String.fromCharCode(nativeEvent.which);
}
}
return null;
case TOP_COMPOSITION_END:
return useFallbackCompositionData && !isUsingKoreanIME(nativeEvent) ? null : nativeEvent.data;
default:
return null;
}
}
/**
* Extract a SyntheticInputEvent for `beforeInput`, based on either native
* `textInput` or fallback behavior.
*
* @return {?object} A SyntheticInputEvent.
*/
function extractBeforeInputEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var chars = void 0;
if (canUseTextInputEvent) {
chars = getNativeBeforeInputChars(topLevelType, nativeEvent);
} else {
chars = getFallbackBeforeInputChars(topLevelType, nativeEvent);
}
// If no characters are being inserted, no BeforeInput event should
// be fired.
if (!chars) {
return null;
}
var event = SyntheticInputEvent.getPooled(eventTypes.beforeInput, targetInst, nativeEvent, nativeEventTarget);
event.data = chars;
accumulateTwoPhaseDispatches(event);
return event;
}
/**
* Create an `onBeforeInput` event to match
* http://www.w3.org/TR/2013/WD-DOM-Level-3-Events-20131105/#events-inputevents.
*
* This event plugin is based on the native `textInput` event
* available in Chrome, Safari, Opera, and IE. This event fires after
* `onKeyPress` and `onCompositionEnd`, but before `onInput`.
*
* `beforeInput` is spec'd but not implemented in any browsers, and
* the `input` event does not provide any useful information about what has
* actually been added, contrary to the spec. Thus, `textInput` is the best
* available event to identify the characters that have actually been inserted
* into the target node.
*
* This plugin is also responsible for emitting `composition` events, thus
* allowing us to share composition fallback code for both `beforeInput` and
* `composition` event types.
*/
var BeforeInputEventPlugin = {
eventTypes: eventTypes,
extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var composition = extractCompositionEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget);
var beforeInput = extractBeforeInputEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget);
if (composition === null) {
return beforeInput;
}
if (beforeInput === null) {
return composition;
}
return [composition, beforeInput];
}
};
// Use to restore controlled state after a change event has fired.
var restoreImpl = 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;
}
!(typeof restoreImpl === 'function') ? reactProdInvariant('280') : void 0;
var props = getFiberCurrentPropsFromNode(internalInstance.stateNode);
restoreImpl(internalInstance.stateNode, internalInstance.type, props);
}
function setRestoreImplementation(impl) {
restoreImpl = impl;
}
function enqueueStateRestore(target) {
if (restoreTarget) {
if (restoreQueue) {
restoreQueue.push(target);
} else {
restoreQueue = [target];
}
} else {
restoreTarget = target;
}
}
function needsStateRestore() {
return restoreTarget !== null || restoreQueue !== null;
}
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 _batchedUpdatesImpl = function (fn, bookkeeping) {
return fn(bookkeeping);
};
var _interactiveUpdatesImpl = function (fn, a, b) {
return fn(a, b);
};
var _flushInteractiveUpdatesImpl = function () {};
var isBatching = false;
function batchedUpdates(fn, bookkeeping) {
if (isBatching) {
// If we are currently inside another batch, we need to wait until it
// fully completes before restoring state.
return fn(bookkeeping);
}
isBatching = true;
try {
return _batchedUpdatesImpl(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.
isBatching = false;
var controlledComponentsHavePendingUpdates = needsStateRestore();
if (controlledComponentsHavePendingUpdates) {
// If a controlled event was fired, we may need to restore the state of
// the DOM node back to the controlled value. This is necessary when React
// bails out of the update without touching the DOM.
_flushInteractiveUpdatesImpl();
restoreStateIfNeeded();
}
}
}
function interactiveUpdates(fn, a, b) {
return _interactiveUpdatesImpl(fn, a, b);
}
function setBatchingImplementation(batchedUpdatesImpl, interactiveUpdatesImpl, flushInteractiveUpdatesImpl) {
_batchedUpdatesImpl = batchedUpdatesImpl;
_interactiveUpdatesImpl = interactiveUpdatesImpl;
_flushInteractiveUpdatesImpl = flushInteractiveUpdatesImpl;
}
/**
* @see http://www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#input-type-attr-summary
*/
var supportedInputTypes = {
color: true,
date: true,
datetime: true,
'datetime-local': true,
email: true,
month: true,
number: true,
password: true,
range: true,
search: true,
tel: true,
text: true,
time: true,
url: true,
week: true
};
function isTextInputElement(elem) {
var nodeName = elem && elem.nodeName && elem.nodeName.toLowerCase();
if (nodeName === 'input') {
return !!supportedInputTypes[elem.type];
}
if (nodeName === 'textarea') {
return true;
}
return false;
}
/**
* HTML nodeType values that represent the type of the node
*/
var ELEMENT_NODE = 1;
var TEXT_NODE = 3;
var COMMENT_NODE = 8;
var DOCUMENT_NODE = 9;
var DOCUMENT_FRAGMENT_NODE = 11;
/**
* Gets the target node from a native browser event by accounting for
* inconsistencies in browser DOM APIs.
*
* @param {object} nativeEvent Native browser event.
* @return {DOMEventTarget} Target node.
*/
function getEventTarget(nativeEvent) {
// Fallback to nativeEvent.srcElement for IE9
// https://github.com/facebook/react/issues/12506
var target = nativeEvent.target || nativeEvent.srcElement || window;
// Normalize SVG <use> element events #4963
if (target.correspondingUseElement) {
target = target.correspondingUseElement;
}
// Safari may fire events on text nodes (Node.TEXT_NODE is 3).
// @see http://www.quirksmode.org/js/events_properties.html
return target.nodeType === TEXT_NODE ? target.parentNode : target;
}
/**
* Checks if an event is supported in the current execution environment.
*
* NOTE: This will not work correctly for non-generic events such as `change`,
* `reset`, `load`, `error`, and `select`.
*
* Borrows from Modernizr.
*
* @param {string} eventNameSuffix Event name, e.g. "click".
* @return {boolean} True if the event is supported.
* @internal
* @license Modernizr 3.0.0pre (Custom Build) | MIT
*/
function isEventSupported(eventNameSuffix) {
if (!canUseDOM) {
return false;
}
var eventName = 'on' + eventNameSuffix;
var isSupported = eventName in document;
if (!isSupported) {
var element = document.createElementNS('http://www.w3.org/1999/xhtml', 'div');
element.setAttribute(eventName, 'return;');
isSupported = typeof element[eventName] === 'function';
}
return isSupported;
}
function isCheckable(elem) {
var type = elem.type;
var nodeName = elem.nodeName;
return nodeName && nodeName.toLowerCase() === 'input' && (type === 'checkbox' || type === 'radio');
}
function getTracker(node) {
return node._valueTracker;
}
function detachTracker(node) {
node._valueTracker = null;
}
function getValueFromNode(node) {
var value = '';
if (!node) {
return value;
}
if (isCheckable(node)) {
value = node.checked ? 'true' : 'false';
} else {
value = node.value;
}
return value;
}
function trackValueOnNode(node) {
var valueField = isCheckable(node) ? 'checked' : 'value';
var descriptor = Object.getOwnPropertyDescriptor(node.constructor.prototype, valueField);
var currentValue = '' + node[valueField];
// if someone has already defined a value or Safari, then bail
// and don't track value will cause over reporting of changes,
// but it's better then a hard failure
// (needed for certain tests that spyOn input values and Safari)
if (node.hasOwnProperty(valueField) || typeof descriptor === 'undefined' || typeof descriptor.get !== 'function' || typeof descriptor.set !== 'function') {
return;
}
var get = descriptor.get,
set = descriptor.set;
Object.defineProperty(node, valueField, {
configurable: true,
get: function () {
return get.call(this);
},
set: function (value) {
currentValue = '' + value;
set.call(this, value);
}
});
// We could've passed this the first time
// but it triggers a bug in IE11 and Edge 14/15.
// Calling defineProperty() again should be equivalent.
// https://github.com/facebook/react/issues/11768
Object.defineProperty(node, valueField, {
enumerable: descriptor.enumerable
});
var tracker = {
getValue: function () {
return currentValue;
},
setValue: function (value) {
currentValue = '' + value;
},
stopTracking: function () {
detachTracker(node);
delete node[valueField];
}
};
return tracker;
}
function track(node) {
if (getTracker(node)) {
return;
}
// TODO: Once it's just Fiber we can move this to node._wrapperState
node._valueTracker = trackValueOnNode(node);
}
function updateValueIfChanged(node) {
if (!node) {
return false;
}
var tracker = getTracker(node);
// if there is no tracker at this point it's unlikely
// that trying again will succeed
if (!tracker) {
return true;
}
var lastValue = tracker.getValue();
var nextValue = getValueFromNode(node);
if (nextValue !== lastValue) {
tracker.setValue(nextValue);
return true;
}
return false;
}
var ReactSharedInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;
// Prevent newer renderers from RTE when used with older react package versions.
// Current owner and dispatcher used to share the same ref,
// but PR #14548 split them out to better support the react-debug-tools package.
if (!ReactSharedInternals.hasOwnProperty('ReactCurrentDispatcher')) {
ReactSharedInternals.ReactCurrentDispatcher = {
current: null
};
}
var BEFORE_SLASH_RE = /^(.*)[\\\/]/;
var describeComponentFrame = function (name, source, ownerName) {
var sourceInfo = '';
if (source) {
var path = source.fileName;
var fileName = path.replace(BEFORE_SLASH_RE, '');
sourceInfo = ' (at ' + fileName + ':' + source.lineNumber + ')';
} else if (ownerName) {
sourceInfo = ' (created by ' + ownerName + ')';
}
return '\n in ' + (name || 'Unknown') + sourceInfo;
};
// 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_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_PROFILER_TYPE = hasSymbol ? Symbol.for('react.profiler') : 0xead2;
var REACT_PROVIDER_TYPE = hasSymbol ? Symbol.for('react.provider') : 0xeacd;
var REACT_CONTEXT_TYPE = hasSymbol ? Symbol.for('react.context') : 0xeace;
var REACT_CONCURRENT_MODE_TYPE = hasSymbol ? Symbol.for('react.concurrent_mode') : 0xeacf;
var REACT_FORWARD_REF_TYPE = hasSymbol ? Symbol.for('react.forward_ref') : 0xead0;
var REACT_SUSPENSE_TYPE = hasSymbol ? Symbol.for('react.suspense') : 0xead1;
var REACT_MEMO_TYPE = hasSymbol ? Symbol.for('react.memo') : 0xead3;
var REACT_LAZY_TYPE = hasSymbol ? Symbol.for('react.lazy') : 0xead4;
var MAYBE_ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
var FAUX_ITERATOR_SYMBOL = '@@iterator';
function getIteratorFn(maybeIterable) {
if (maybeIterable === null || typeof maybeIterable !== 'object') {
return null;
}
var maybeIterator = MAYBE_ITERATOR_SYMBOL && maybeIterable[MAYBE_ITERATOR_SYMBOL] || maybeIterable[FAUX_ITERATOR_SYMBOL];
if (typeof maybeIterator === 'function') {
return maybeIterator;
}
return null;
}
var Pending = 0;
var Resolved = 1;
var Rejected = 2;
function refineResolvedLazyComponent(lazyComponent) {
return lazyComponent._status === Resolved ? lazyComponent._result : null;
}
function getWrappedName(outerType, innerType, wrapperName) {
var functionName = innerType.displayName || innerType.name || '';
return outerType.displayName || (functionName !== '' ? wrapperName + '(' + functionName + ')' : wrapperName);
}
function getComponentName(type) {
if (type == null) {
// Host root, text node or just invalid type.
return null;
}
if (typeof type === 'function') {
return type.displayName || type.name || null;
}
if (typeof type === 'string') {
return type;
}
switch (type) {
case REACT_CONCURRENT_MODE_TYPE:
return 'ConcurrentMode';
case REACT_FRAGMENT_TYPE:
return 'Fragment';
case REACT_PORTAL_TYPE:
return 'Portal';
case REACT_PROFILER_TYPE:
return 'Profiler';
case REACT_STRICT_MODE_TYPE:
return 'StrictMode';
case REACT_SUSPENSE_TYPE:
return 'Suspense';
}
if (typeof type === 'object') {
switch (type.$$typeof) {
case REACT_CONTEXT_TYPE:
return 'Context.Consumer';
case REACT_PROVIDER_TYPE:
return 'Context.Provider';
case REACT_FORWARD_REF_TYPE:
return getWrappedName(type, type.render, 'ForwardRef');
case REACT_MEMO_TYPE:
return getComponentName(type.type);
case REACT_LAZY_TYPE:
{
var thenable = type;
var resolvedThenable = refineResolvedLazyComponent(thenable);
if (resolvedThenable) {
return getComponentName(resolvedThenable);
}
}
}
}
return null;
}
var ReactDebugCurrentFrame = ReactSharedInternals.ReactDebugCurrentFrame;
function describeFiber(fiber) {
switch (fiber.tag) {
case HostRoot:
case HostPortal:
case HostText:
case Fragment:
case ContextProvider:
case ContextConsumer:
return '';
default:
var owner = fiber._debugOwner;
var source = fiber._debugSource;
var name = getComponentName(fiber.type);
var ownerName = null;
if (owner) {
ownerName = getComponentName(owner.type);
}
return describeComponentFrame(name, source, ownerName);
}
}
function getStackByFiberInDevAndProd(workInProgress) {
var info = '';
var node = workInProgress;
do {
info += describeFiber(node);
node = node.return;
} while (node);
return info;
}
// A reserved attribute.
// It is handled by React separately and shouldn't be written to the DOM.
var RESERVED = 0;
// A simple string attribute.
// Attributes that aren't in the whitelist are presumed to have this type.
var STRING = 1;
// A string attribute that accepts booleans in React. In HTML, these are called
// "enumerated" attributes with "true" and "false" as possible values.
// When true, it should be set to a "true" string.
// When false, it should be set to a "false" string.
var BOOLEANISH_STRING = 2;
// A real boolean attribute.
// When true, it should be present (set either to an empty string or its name).
// When false, it should be omitted.
var BOOLEAN = 3;
// An attribute that can be used as a flag as well as with a value.
// When true, it should be present (set either to an empty string or its name).
// When false, it should be omitted.
// For any other value, should be present with that value.
var OVERLOADED_BOOLEAN = 4;
// An attribute that must be numeric or parse as a numeric.
// When falsy, it should be removed.
var NUMERIC = 5;
// An attribute that must be positive numeric or parse as a positive numeric.
// When falsy, it should be removed.
var POSITIVE_NUMERIC = 6;
/* eslint-disable max-len */
var ATTRIBUTE_NAME_START_CHAR = ':A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD';
/* eslint-enable max-len */
var ATTRIBUTE_NAME_CHAR = ATTRIBUTE_NAME_START_CHAR + '\\-.0-9\\u00B7\\u0300-\\u036F\\u203F-\\u2040';
var ROOT_ATTRIBUTE_NAME = 'data-reactroot';
var VALID_ATTRIBUTE_NAME_REGEX = new RegExp('^[' + ATTRIBUTE_NAME_START_CHAR + '][' + ATTRIBUTE_NAME_CHAR + ']*$');
var hasOwnProperty = Object.prototype.hasOwnProperty;
var illegalAttributeNameCache = {};
var validatedAttributeNameCache = {};
function isAttributeNameSafe(attributeName) {
if (hasOwnProperty.call(validatedAttributeNameCache, attributeName)) {
return true;
}
if (hasOwnProperty.call(illegalAttributeNameCache, attributeName)) {
return false;
}
if (VALID_ATTRIBUTE_NAME_REGEX.test(attributeName)) {
validatedAttributeNameCache[attributeName] = true;
return true;
}
illegalAttributeNameCache[attributeName] = true;
return false;
}
function shouldIgnoreAttribute(name, propertyInfo, isCustomComponentTag) {
if (propertyInfo !== null) {
return propertyInfo.type === RESERVED;
}
if (isCustomComponentTag) {
return false;
}
if (name.length > 2 && (name[0] === 'o' || name[0] === 'O') && (name[1] === 'n' || name[1] === 'N')) {
return true;
}
return false;
}
function shouldRemoveAttributeWithWarning(name, value, propertyInfo, isCustomComponentTag) {
if (propertyInfo !== null && propertyInfo.type === RESERVED) {
return false;
}
switch (typeof value) {
case 'function':
// $FlowIssue symbol is perfectly valid here
case 'symbol':
// eslint-disable-line
return true;
case 'boolean':
{
if (isCustomComponentTag) {
return false;
}
if (propertyInfo !== null) {
return !propertyInfo.acceptsBooleans;
} else {
var prefix = name.toLowerCase().slice(0, 5);
return prefix !== 'data-' && prefix !== 'aria-';
}
}
default:
return false;
}
}
function shouldRemoveAttribute(name, value, propertyInfo, isCustomComponentTag) {
if (value === null || typeof value === 'undefined') {
return true;
}
if (shouldRemoveAttributeWithWarning(name, value, propertyInfo, isCustomComponentTag)) {
return true;
}
if (isCustomComponentTag) {
return false;
}
if (propertyInfo !== null) {
switch (propertyInfo.type) {
case BOOLEAN:
return !value;
case OVERLOADED_BOOLEAN:
return value === false;
case NUMERIC:
return isNaN(value);
case POSITIVE_NUMERIC:
return isNaN(value) || value < 1;
}
}
return false;
}
function getPropertyInfo(name) {
return properties.hasOwnProperty(name) ? properties[name] : null;
}
function PropertyInfoRecord(name, type, mustUseProperty, attributeName, attributeNamespace) {
this.acceptsBooleans = type === BOOLEANISH_STRING || type === BOOLEAN || type === OVERLOADED_BOOLEAN;
this.attributeName = attributeName;
this.attributeNamespace = attributeNamespace;
this.mustUseProperty = mustUseProperty;
this.propertyName = name;
this.type = type;
}
// When adding attributes to this list, be sure to also add them to
// the `possibleStandardNames` module to ensure casing and incorrect
// name warnings.
var properties = {};
// These props are reserved by React. They shouldn't be written to the DOM.
['children', 'dangerouslySetInnerHTML',
// TODO: This prevents the assignment of defaultValue to regular
// elements (not just inputs). Now that ReactDOMInput assigns to the
// defaultValue property -- do we need this?
'defaultValue', 'defaultChecked', 'innerHTML', 'suppressContentEditableWarning', 'suppressHydrationWarning', 'style'].forEach(function (name) {
properties[name] = new PropertyInfoRecord(name, RESERVED, false, // mustUseProperty
name, // attributeName
null);
} // attributeNamespace
);
// A few React string attributes have a different name.
// This is a mapping from React prop names to the attribute names.
[['acceptCharset', 'accept-charset'], ['className', 'class'], ['htmlFor', 'for'], ['httpEquiv', 'http-equiv']].forEach(function (_ref) {
var name = _ref[0],
attributeName = _ref[1];
properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty
attributeName, // attributeName
null);
} // attributeNamespace
);
// These are "enumerated" HTML attributes that accept "true" and "false".
// In React, we let users pass `true` and `false` even though technically
// these aren't boolean attributes (they are coerced to strings).
['contentEditable', 'draggable', 'spellCheck', 'value'].forEach(function (name) {
properties[name] = new PropertyInfoRecord(name, BOOLEANISH_STRING, false, // mustUseProperty
name.toLowerCase(), // attributeName
null);
} // attributeNamespace
);
// These are "enumerated" SVG attributes that accept "true" and "false".
// In React, we let users pass `true` and `false` even though technically
// these aren't boolean attributes (they are coerced to strings).
// Since these are SVG attributes, their attribute names are case-sensitive.
['autoReverse', 'externalResourcesRequired', 'focusable', 'preserveAlpha'].forEach(function (name) {
properties[name] = new PropertyInfoRecord(name, BOOLEANISH_STRING, false, // mustUseProperty
name, // attributeName
null);
} // attributeNamespace
);
// These are HTML boolean attributes.
['allowFullScreen', 'async',
// Note: there is a special case that prevents it from being written to the DOM
// on the client side because the browsers are inconsistent. Instead we call focus().
'autoFocus', 'autoPlay', 'controls', 'default', 'defer', 'disabled', 'formNoValidate', 'hidden', 'loop', 'noModule', 'noValidate', 'open', 'playsInline', 'readOnly', 'required', 'reversed', 'scoped', 'seamless',
// Microdata
'itemScope'].forEach(function (name) {
properties[name] = new PropertyInfoRecord(name, BOOLEAN, false, // mustUseProperty
name.toLowerCase(), // attributeName
null);
} // attributeNamespace
);
// These are the few React props that we set as DOM properties
// rather than attributes. These are all booleans.
['checked',
// Note: `option.selected` is not updated if `select.multiple` is
// disabled with `removeAttribute`. We have special logic for handling this.
'multiple', 'muted', 'selected'].forEach(function (name) {
properties[name] = new PropertyInfoRecord(name, BOOLEAN, true, // mustUseProperty
name, // attributeName
null);
} // attributeNamespace
);
// These are HTML attributes that are "overloaded booleans": they behave like
// booleans, but can also accept a string value.
['capture', 'download'].forEach(function (name) {
properties[name] = new PropertyInfoRecord(name, OVERLOADED_BOOLEAN, false, // mustUseProperty
name, // attributeName
null);
} // attributeNamespace
);
// These are HTML attributes that must be positive numbers.
['cols', 'rows', 'size', 'span'].forEach(function (name) {
properties[name] = new PropertyInfoRecord(name, POSITIVE_NUMERIC, false, // mustUseProperty
name, // attributeName
null);
} // attributeNamespace
);
// These are HTML attributes that must be numbers.
['rowSpan', 'start'].forEach(function (name) {
properties[name] = new PropertyInfoRecord(name, NUMERIC, false, // mustUseProperty
name.toLowerCase(), // attributeName
null);
} // attributeNamespace
);
var CAMELIZE = /[\-\:]([a-z])/g;
var capitalize = function (token) {
return token[1].toUpperCase();
};
// This is a list of all SVG attributes that need special casing, namespacing,
// or boolean value assignment. Regular attributes that just accept strings
// and have the same names are omitted, just like in the HTML whitelist.
// Some of these attributes can be hard to find. This list was created by
// scrapping the MDN documentation.
['accent-height', 'alignment-baseline', 'arabic-form', 'baseline-shift', 'cap-height', 'clip-path', 'clip-rule', 'color-interpolation', 'color-interpolation-filters', 'color-profile', 'color-rendering', 'dominant-baseline', 'enable-background', 'fill-opacity', 'fill-rule', 'flood-color', 'flood-opacity', 'font-family', 'font-size', 'font-size-adjust', 'font-stretch', 'font-style', 'font-variant', 'font-weight', 'glyph-name', 'glyph-orientation-horizontal', 'glyph-orientation-vertical', 'horiz-adv-x', 'horiz-origin-x', 'image-rendering', 'letter-spacing', 'lighting-color', 'marker-end', 'marker-mid', 'marker-start', 'overline-position', 'overline-thickness', 'paint-order', 'panose-1', 'pointer-events', 'rendering-intent', 'shape-rendering', 'stop-color', 'stop-opacity', 'strikethrough-position', 'strikethrough-thickness', 'stroke-dasharray', 'stroke-dashoffset', 'stroke-linecap', 'stroke-linejoin', 'stroke-miterlimit', 'stroke-opacity', 'stroke-width', 'text-anchor', 'text-decoration', 'text-rendering', 'underline-position', 'underline-thickness', 'unicode-bidi', 'unicode-range', 'units-per-em', 'v-alphabetic', 'v-hanging', 'v-ideographic', 'v-mathematical', 'vector-effect', 'vert-adv-y', 'vert-origin-x', 'vert-origin-y', 'word-spacing', 'writing-mode', 'xmlns:xlink', 'x-height'].forEach(function (attributeName) {
var name = attributeName.replace(CAMELIZE, capitalize);
properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty
attributeName, null);
} // attributeNamespace
);
// String SVG attributes with the xlink namespace.
['xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type'].forEach(function (attributeName) {
var name = attributeName.replace(CAMELIZE, capitalize);
properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty
attributeName, 'http://www.w3.org/1999/xlink');
});
// String SVG attributes with the xml namespace.
['xml:base', 'xml:lang', 'xml:space'].forEach(function (attributeName) {
var name = attributeName.replace(CAMELIZE, capitalize);
properties[name] = new PropertyInfoRecord(name, STRING, false, // mustUseProperty
attributeName, 'http://www.w3.org/XML/1998/namespace');
});
// These attribute exists both in HTML and SVG.
// The attribute name is case-sensitive in SVG so we can't just use
// the React name like we do for attributes that exist only in HTML.
['tabIndex', 'crossOrigin'].forEach(function (attributeName) {
properties[attributeName] = new PropertyInfoRecord(attributeName, STRING, false, // mustUseProperty
attributeName.toLowerCase(), // attributeName
null);
} // attributeNamespace
);
/**
* Get the value for a property on a node. Only used in DEV for SSR validation.
* The "expected" argument is used as a hint of what the expected value is.
* Some properties have multiple equivalent values.
*/
/**
* Get the value for a attribute on a node. Only used in DEV for SSR validation.
* The third argument is used as a hint of what the expected value is. Some
* attributes have multiple equivalent values.
*/
/**
* Sets the value for a property on a node.
*
* @param {DOMElement} node
* @param {string} name
* @param {*} value
*/
function setValueForProperty(node, name, value, isCustomComponentTag) {
var propertyInfo = getPropertyInfo(name);
if (shouldIgnoreAttribute(name, propertyInfo, isCustomComponentTag)) {
return;
}
if (shouldRemoveAttribute(name, value, propertyInfo, isCustomComponentTag)) {
value = null;
}
// If the prop isn't in the special list, treat it as a simple attribute.
if (isCustomComponentTag || propertyInfo === null) {
if (isAttributeNameSafe(name)) {
var _attributeName = name;
if (value === null) {
node.removeAttribute(_attributeName);
} else {
node.setAttribute(_attributeName, '' + value);
}
}
return;
}
var mustUseProperty = propertyInfo.mustUseProperty;
if (mustUseProperty) {
var propertyName = propertyInfo.propertyName;
if (value === null) {
var type = propertyInfo.type;
node[propertyName] = type === BOOLEAN ? false : '';
} else {
// Contrary to `setAttribute`, object properties are properly
// `toString`ed by IE8/9.
node[propertyName] = value;
}
return;
}
// The rest are treated as attributes with special cases.
var attributeName = propertyInfo.attributeName,
attributeNamespace = propertyInfo.attributeNamespace;
if (value === null) {
node.removeAttribute(attributeName);
} else {
var _type = propertyInfo.type;
var attributeValue = void 0;
if (_type === BOOLEAN || _type === OVERLOADED_BOOLEAN && value === true) {
attributeValue = '';
} else {
// `setAttribute` with objects becomes only `[object]` in IE8/9,
// ('' + value) makes it output the correct toString()-value.
attributeValue = '' + value;
}
if (attributeNamespace) {
node.setAttributeNS(attributeNamespace, attributeName, attributeValue);
} else {
node.setAttribute(attributeName, attributeValue);
}
}
}
// Flow does not allow string concatenation of most non-string types. To work
// around this limitation, we use an opaque type that can only be obtained by
// passing the value through getToStringValue first.
function toString(value) {
return '' + value;
}
function getToStringValue(value) {
switch (typeof value) {
case 'boolean':
case 'number':
case 'object':
case 'string':
case 'undefined':
return value;
default:
// function, symbol are assigned as empty strings
return '';
}
}
/**
* 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.
*/
var enableUserTimingAPI = false;
// Helps identify side effects in begin-phase lifecycle hooks and setState reducers:
// 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:
// To preserve the "Pause on caught exceptions" behavior of the debugger, we
// replay the begin phase of a failed component inside invokeGuardedCallback.
// Warn about deprecated, async-unsafe lifecycles; relates to RFC #6:
// Gather advanced timing metrics for Profiler subtrees.
var enableProfilerTimer = false;
// Trace which interactions trigger each commit.
var enableSchedulerTracing = false;
// Only used in www builds.
var enableSuspenseServerRenderer = false; // TODO: false? Here it might just be false.
// Only used in www builds.
// Only used in www builds.
// React Fire: prevent the value and checked attributes from syncing
// with their related DOM properties
var disableInputAttributeSyncing = false;
// These APIs will no longer be "unstable" in the upcoming 16.7 release,
// Control this behavior with a flag to support 16.6 minor releases in the meanwhile.
var enableStableConcurrentModeAPIs = false;
// TODO: direct imports like some-package/src/* are bad. Fix me.
function isControlled(props) {
var usesChecked = props.type === 'checkbox' || props.type === 'radio';
return usesChecked ? props.checked != null : props.value != null;
}
/**
* Implements an <input> host component that allows setting these optional
* props: `checked`, `value`, `defaultChecked`, and `defaultValue`.
*
* If `checked` or `value` are not supplied (or null/undefined), user actions
* that affect the checked state or value will trigger updates to the element.
*
* If they are supplied (and not null/undefined), the rendered element will not
* trigger updates to the element. Instead, the props must change in order for
* the rendered element to be updated.
*
* The rendered element will be initialized as unchecked (or `defaultChecked`)
* with an empty value (or `defaultValue`).
*
* See http://www.w3.org/TR/2012/WD-html5-20121025/the-input-element.html
*/
function getHostProps(element, props) {
var node = element;
var checked = props.checked;
var hostProps = _assign({}, props, {
defaultChecked: undefined,
defaultValue: undefined,
value: undefined,
checked: checked != null ? checked : node._wrapperState.initialChecked
});
return hostProps;
}
function initWrapperState(element, props) {
var node = element;
var defaultValue = props.defaultValue == null ? '' : props.defaultValue;
node._wrapperState = {
initialChecked: props.checked != null ? props.checked : props.defaultChecked,
initialValue: getToStringValue(props.value != null ? props.value : defaultValue),
controlled: isControlled(props)
};
}
function updateChecked(element, props) {
var node = element;
var checked = props.checked;
if (checked != null) {
setValueForProperty(node, 'checked', checked, false);
}
}
function updateWrapper(element, props) {
var node = element;
updateChecked(element, props);
var value = getToStringValue(props.value);
var type = props.type;
if (value != null) {
if (type === 'number') {
if (value === 0 && node.value === '' ||
// We explicitly want to coerce to number here if possible.
// eslint-disable-next-line
node.value != value) {
node.value = toString(value);
}
} else if (node.value !== toString(value)) {
node.value = toString(value);
}
} else if (type === 'submit' || type === 'reset') {
// Submit/reset inputs need the attribute removed completely to avoid
// blank-text buttons.
node.removeAttribute('value');
return;
}
if (disableInputAttributeSyncing) {
// When not syncing the value attribute, React only assigns a new value
// whenever the defaultValue React prop has changed. When not present,
// React does nothing
if (props.hasOwnProperty('defaultValue')) {
setDefaultValue(node, props.type, getToStringValue(props.defaultValue));
}
} else {
// When syncing the value attribute, the value comes from a cascade of
// properties:
// 1. The value React property
// 2. The defaultValue React property
// 3. Otherwise there should be no change
if (props.hasOwnProperty('value')) {
setDefaultValue(node, props.type, value);
} else if (props.hasOwnProperty('defaultValue')) {
setDefaultValue(node, props.type, getToStringValue(props.defaultValue));
}
}
if (disableInputAttributeSyncing) {
// When not syncing the checked attribute, the attribute is directly
// controllable from the defaultValue React property. It needs to be
// updated as new props come in.
if (props.defaultChecked == null) {
node.removeAttribute('checked');
} else {
node.defaultChecked = !!props.defaultChecked;
}
} else {
// When syncing the checked attribute, it only changes when it needs
// to be removed, such as transitioning from a checkbox into a text input
if (props.checked == null && props.defaultChecked != null) {
node.defaultChecked = !!props.defaultChecked;
}
}
}
function postMountWrapper(element, props, isHydrating) {
var node = element;
// Do not assign value if it is already set. This prevents user text input
// from being lost during SSR hydration.
if (props.hasOwnProperty('value') || props.hasOwnProperty('defaultValue')) {
var type = props.type;
var isButton = type === 'submit' || type === 'reset';
// Avoid setting value attribute on submit/reset inputs as it overrides the
// default value provided by the browser. See: #12872
if (isButton && (props.value === undefined || props.value === null)) {
return;
}
var _initialValue = toString(node._wrapperState.initialValue);
// Do not assign value if it is already set. This prevents user text input
// from being lost during SSR hydration.
if (!isHydrating) {
if (disableInputAttributeSyncing) {
var value = getToStringValue(props.value);
// When not syncing the value attribute, the value property points
// directly to the React prop. Only assign it if it exists.
if (value != null) {
// Always assign on buttons so that it is possible to assign an
// empty string to clear button text.
//
// Otherwise, do not re-assign the value property if is empty. This
// potentially avoids a DOM write and prevents Firefox (~60.0.1) from
// prematurely marking required inputs as invalid. Equality is compared
// to the current value in case the browser provided value is not an
// empty string.
if (isButton || value !== node.value) {
node.value = toString(value);
}
}
} else {
// When syncing the value attribute, the value property should use
// the wrapperState._initialValue property. This uses:
//
// 1. The value React property when present
// 2. The defaultValue React property when present
// 3. An empty string
if (_initialValue !== node.value) {
node.value = _initialValue;
}
}
}
if (disableInputAttributeSyncing) {
// When not syncing the value attribute, assign the value attribute
// directly from the defaultValue React property (when present)
var defaultValue = getToStringValue(props.defaultValue);
if (defaultValue != null) {
node.defaultValue = toString(defaultValue);
}
} else {
// Otherwise, the value attribute is synchronized to the property,
// so we assign defaultValue to the same thing as the value property
// assignment step above.
node.defaultValue = _initialValue;
}
}
// Normally, we'd just do `node.checked = node.checked` upon initial mount, less this bug
// this is needed to work around a chrome bug where setting defaultChecked
// will sometimes influence the value of checked (even after detachment).
// Reference: https://bugs.chromium.org/p/chromium/issues/detail?id=608416
// We need to temporarily unset name to avoid disrupting radio button groups.
var name = node.name;
if (name !== '') {
node.name = '';
}
if (disableInputAttributeSyncing) {
// When not syncing the checked attribute, the checked property
// never gets assigned. It must be manually set. We don't want
// to do this when hydrating so that existing user input isn't
// modified
if (!isHydrating) {
updateChecked(element, props);
}
// Only assign the checked attribute if it is defined. This saves
// a DOM write when controlling the checked attribute isn't needed
// (text inputs, submit/reset)
if (props.hasOwnProperty('defaultChecked')) {
node.defaultChecked = !node.defaultChecked;
node.defaultChecked = !!props.defaultChecked;
}
} else {
// When syncing the checked attribute, both the checked property and
// attribute are assigned at the same time using defaultChecked. This uses:
//
// 1. The checked React property when present
// 2. The defaultChecked React property when present
// 3. Otherwise, false
node.defaultChecked = !node.defaultChecked;
node.defaultChecked = !!node._wrapperState.initialChecked;
}
if (name !== '') {
node.name = name;
}
}
function restoreControlledState(element, props) {
var node = element;
updateWrapper(node, props);
updateNamedCousins(node, props);
}
function updateNamedCousins(rootNode, props) {
var name = props.name;
if (props.type === 'radio' && name != null) {
var queryRoot = rootNode;
while (queryRoot.parentNode) {
queryRoot = queryRoot.parentNode;
}
// If `rootNode.form` was non-null, then we could try `form.elements`,
// but that sometimes behaves strangely in IE8. We could also try using
// `form.getElementsByName`, but that will only return direct children
// and won't include inputs that use the HTML5 `form=` attribute. Since
// the input might not even be in a form. It might not even be in the
// document. Let's just use the local `querySelectorAll` to ensure we don't
// miss anything.
var group = queryRoot.querySelectorAll('input[name=' + JSON.stringify('' + name) + '][type="radio"]');
for (var i = 0; i < group.length; i++) {
var otherNode = group[i];
if (otherNode === rootNode || otherNode.form !== rootNode.form) {
continue;
}
// This will throw if radio buttons rendered by different copies of React
// and the same name are rendered into the same form (same as #1939).
// That's probably okay; we don't support it just as we don't support
// mixing React radio buttons with non-React ones.
var otherProps = getFiberCurrentPropsFromNode$1(otherNode);
!otherProps ? reactProdInvariant('90') : void 0;
// We need update the tracked value on the named cousin since the value
// was changed but the input saw no event or value set
updateValueIfChanged(otherNode);
// If this is a controlled radio button group, forcing the input that
// was previously checked to update will cause it to be come re-checked
// as appropriate.
updateWrapper(otherNode, otherProps);
}
}
}
// In Chrome, assigning defaultValue to certain input types triggers input validation.
// For number inputs, the display value loses trailing decimal points. For email inputs,
// Chrome raises "The specified value <x> is not a valid email address".
//
// Here we check to see if the defaultValue has actually changed, avoiding these problems
// when the user is inputting text
//
// https://github.com/facebook/react/issues/7253
function setDefaultValue(node, type, value) {
if (
// Focused number inputs synchronize on blur. See ChangeEventPlugin.js
type !== 'number' || node.ownerDocument.activeElement !== node) {
if (value == null) {
node.defaultValue = toString(node._wrapperState.initialValue);
} else if (node.defaultValue !== toString(value)) {
node.defaultValue = toString(value);
}
}
}
var eventTypes$1 = {
change: {
phasedRegistrationNames: {
bubbled: 'onChange',
captured: 'onChangeCapture'
},
dependencies: [TOP_BLUR, TOP_CHANGE, TOP_CLICK, TOP_FOCUS, TOP_INPUT, TOP_KEY_DOWN, TOP_KEY_UP, TOP_SELECTION_CHANGE]
}
};
function createAndAccumulateChangeEvent(inst, nativeEvent, target) {
var event = SyntheticEvent.getPooled(eventTypes$1.change, inst, nativeEvent, target);
event.type = 'change';
// Flag this event loop as needing state restore.
enqueueStateRestore(target);
accumulateTwoPhaseDispatches(event);
return event;
}
/**
* For IE shims
*/
var activeElement = null;
var activeElementInst = null;
/**
* SECTION: handle `change` event
*/
function shouldUseChangeEvent(elem) {
var nodeName = elem.nodeName && elem.nodeName.toLowerCase();
return nodeName === 'select' || nodeName === 'input' && elem.type === 'file';
}
function manualDispatchChangeEvent(nativeEvent) {
var event = createAndAccumulateChangeEvent(activeElementInst, nativeEvent, getEventTarget(nativeEvent));
// If change and propertychange bubbled, we'd just bind to it like all the
// other events and have it go through ReactBrowserEventEmitter. Since it
// doesn't, we manually listen for the events and so we have to enqueue and
// process the abstract event manually.
//
// Batching is necessary here in order to ensure that all event handlers run
// before the next rerender (including event handlers attached to ancestor
// elements instead of directly on the input). Without this, controlled
// components don't work properly in conjunction with event bubbling because
// the component is rerendered and the value reverted before all the event
// handlers can run. See https://github.com/facebook/react/issues/708.
batchedUpdates(runEventInBatch, event);
}
function runEventInBatch(event) {
runEventsInBatch(event);
}
function getInstIfValueChanged(targetInst) {
var targetNode = getNodeFromInstance$1(targetInst);
if (updateValueIfChanged(targetNode)) {
return targetInst;
}
}
function getTargetInstForChangeEvent(topLevelType, targetInst) {
if (topLevelType === TOP_CHANGE) {
return targetInst;
}
}
/**
* SECTION: handle `input` event
*/
var isInputEventSupported = false;
if (canUseDOM) {
// IE9 claims to support the input event but fails to trigger it when
// deleting text, so we ignore its input events.
isInputEventSupported = isEventSupported('input') && (!document.documentMode || document.documentMode > 9);
}
/**
* (For IE <=9) Starts tracking propertychange events on the passed-in element
* and override the value property so that we can distinguish user events from
* value changes in JS.
*/
function startWatchingForValueChange(target, targetInst) {
activeElement = target;
activeElementInst = targetInst;
activeElement.attachEvent('onpropertychange', handlePropertyChange);
}
/**
* (For IE <=9) Removes the event listeners from the currently-tracked element,
* if any exists.
*/
function stopWatchingForValueChange() {
if (!activeElement) {
return;
}
activeElement.detachEvent('onpropertychange', handlePropertyChange);
activeElement = null;
activeElementInst = null;
}
/**
* (For IE <=9) Handles a propertychange event, sending a `change` event if
* the value of the active element has changed.
*/
function handlePropertyChange(nativeEvent) {
if (nativeEvent.propertyName !== 'value') {
return;
}
if (getInstIfValueChanged(activeElementInst)) {
manualDispatchChangeEvent(nativeEvent);
}
}
function handleEventsForInputEventPolyfill(topLevelType, target, targetInst) {
if (topLevelType === TOP_FOCUS) {
// In IE9, propertychange fires for most input events but is buggy and
// doesn't fire when text is deleted, but conveniently, selectionchange
// appears to fire in all of the remaining cases so we catch those and
// forward the event if the value has changed
// In either case, we don't want to call the event handler if the value
// is changed from JS so we redefine a setter for `.value` that updates
// our activeElementValue variable, allowing us to ignore those changes
//
// stopWatching() should be a noop here but we call it just in case we
// missed a blur event somehow.
stopWatchingForValueChange();
startWatchingForValueChange(target, targetInst);
} else if (topLevelType === TOP_BLUR) {
stopWatchingForValueChange();
}
}
// For IE8 and IE9.
function getTargetInstForInputEventPolyfill(topLevelType, targetInst) {
if (topLevelType === TOP_SELECTION_CHANGE || topLevelType === TOP_KEY_UP || topLevelType === TOP_KEY_DOWN) {
// On the selectionchange event, the target is just document which isn't
// helpful for us so just check activeElement instead.
//
// 99% of the time, keydown and keyup aren't necessary. IE8 fails to fire
// propertychange on the first input event after setting `value` from a
// script and fires only keydown, keypress, keyup. Catching keyup usually
// gets it and catching keydown lets us fire an event for the first
// keystroke if user does a key repeat (it'll be a little delayed: right
// before the second keystroke). Other input methods (e.g., paste) seem to
// fire selectionchange normally.
return getInstIfValueChanged(activeElementInst);
}
}
/**
* SECTION: handle `click` event
*/
function shouldUseClickEvent(elem) {
// Use the `click` event to detect changes to checkbox and radio inputs.
// This approach works across all browsers, whereas `change` does not fire
// until `blur` in IE8.
var nodeName = elem.nodeName;
return nodeName && nodeName.toLowerCase() === 'input' && (elem.type === 'checkbox' || elem.type === 'radio');
}
function getTargetInstForClickEvent(topLevelType, targetInst) {
if (topLevelType === TOP_CLICK) {
return getInstIfValueChanged(targetInst);
}
}
function getTargetInstForInputOrChangeEvent(topLevelType, targetInst) {
if (topLevelType === TOP_INPUT || topLevelType === TOP_CHANGE) {
return getInstIfValueChanged(targetInst);
}
}
function handleControlledInputBlur(node) {
var state = node._wrapperState;
if (!state || !state.controlled || node.type !== 'number') {
return;
}
if (!disableInputAttributeSyncing) {
// If controlled, assign the value attribute to the current value on blur
setDefaultValue(node, 'number', node.value);
}
}
/**
* This plugin creates an `onChange` event that normalizes change events
* across form elements. This event fires at a time when it's possible to
* change the element's value without seeing a flicker.
*
* Supported elements are:
* - input (see `isTextInputElement`)
* - textarea
* - select
*/
var ChangeEventPlugin = {
eventTypes: eventTypes$1,
_isInputEventSupported: isInputEventSupported,
extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var targetNode = targetInst ? getNodeFromInstance$1(targetInst) : window;
var getTargetInstFunc = void 0,
handleEventFunc = void 0;
if (shouldUseChangeEvent(targetNode)) {
getTargetInstFunc = getTargetInstForChangeEvent;
} else if (isTextInputElement(targetNode)) {
if (isInputEventSupported) {
getTargetInstFunc = getTargetInstForInputOrChangeEvent;
} else {
getTargetInstFunc = getTargetInstForInputEventPolyfill;
handleEventFunc = handleEventsForInputEventPolyfill;
}
} else if (shouldUseClickEvent(targetNode)) {
getTargetInstFunc = getTargetInstForClickEvent;
}
if (getTargetInstFunc) {
var inst = getTargetInstFunc(topLevelType, targetInst);
if (inst) {
var event = createAndAccumulateChangeEvent(inst, nativeEvent, nativeEventTarget);
return event;
}
}
if (handleEventFunc) {
handleEventFunc(topLevelType, targetNode, targetInst);
}
// When blurring, set the value attribute for number inputs
if (topLevelType === TOP_BLUR) {
handleControlledInputBlur(targetNode);
}
}
};
/**
* Module that is injectable into `EventPluginHub`, that specifies a
* deterministic ordering of `EventPlugin`s. A convenient way to reason about
* plugins, without having to package every one of them. This is better than
* having plugins be ordered in the same order that they are injected because
* that ordering would be influenced by the packaging order.
* `ResponderEventPlugin` must occur before `SimpleEventPlugin` so that
* preventing default on events is convenient in `SimpleEventPlugin` handlers.
*/
var DOMEventPluginOrder = ['ResponderEventPlugin', 'SimpleEventPlugin', 'EnterLeaveEventPlugin', 'ChangeEventPlugin', 'SelectEventPlugin', 'BeforeInputEventPlugin'];
var SyntheticUIEvent = SyntheticEvent.extend({
view: null,
detail: null
});
var modifierKeyToProp = {
Alt: 'altKey',
Control: 'ctrlKey',
Meta: 'metaKey',
Shift: 'shiftKey'
};
// Older browsers (Safari <= 10, iOS Safari <= 10.2) do not support
// getModifierState. If getModifierState is not supported, we map it to a set of
// modifier keys exposed by the event. In this case, Lock-keys are not supported.
/**
* Translation from modifier key to the associated property in the event.
* @see http://www.w3.org/TR/DOM-Level-3-Events/#keys-Modifiers
*/
function modifierStateGetter(keyArg) {
var syntheticEvent = this;
var nativeEvent = syntheticEvent.nativeEvent;
if (nativeEvent.getModifierState) {
return nativeEvent.getModifierState(keyArg);
}
var keyProp = modifierKeyToProp[keyArg];
return keyProp ? !!nativeEvent[keyProp] : false;
}
function getEventModifierState(nativeEvent) {
return modifierStateGetter;
}
var previousScreenX = 0;
var previousScreenY = 0;
// Use flags to signal movementX/Y has already been set
var isMovementXSet = false;
var isMovementYSet = false;
/**
* @interface MouseEvent
* @see http://www.w3.org/TR/DOM-Level-3-Events/
*/
var SyntheticMouseEvent = SyntheticUIEvent.extend({
screenX: null,
screenY: null,
clientX: null,
clientY: null,
pageX: null,
pageY: null,
ctrlKey: null,
shiftKey: null,
altKey: null,
metaKey: null,
getModifierState: getEventModifierState,
button: null,
buttons: null,
relatedTarget: function (event) {
return event.relatedTarget || (event.fromElement === event.srcElement ? event.toElement : event.fromElement);
},
movementX: function (event) {
if ('movementX' in event) {
return event.movementX;
}
var screenX = previousScreenX;
previousScreenX = event.screenX;
if (!isMovementXSet) {
isMovementXSet = true;
return 0;
}
return event.type === 'mousemove' ? event.screenX - screenX : 0;
},
movementY: function (event) {
if ('movementY' in event) {
return event.movementY;
}
var screenY = previousScreenY;
previousScreenY = event.screenY;
if (!isMovementYSet) {
isMovementYSet = true;
return 0;
}
return event.type === 'mousemove' ? event.screenY - screenY : 0;
}
});
/**
* @interface PointerEvent
* @see http://www.w3.org/TR/pointerevents/
*/
var SyntheticPointerEvent = SyntheticMouseEvent.extend({
pointerId: null,
width: null,
height: null,
pressure: null,
tangentialPressure: null,
tiltX: null,
tiltY: null,
twist: null,
pointerType: null,
isPrimary: null
});
var eventTypes$2 = {
mouseEnter: {
registrationName: 'onMouseEnter',
dependencies: [TOP_MOUSE_OUT, TOP_MOUSE_OVER]
},
mouseLeave: {
registrationName: 'onMouseLeave',
dependencies: [TOP_MOUSE_OUT, TOP_MOUSE_OVER]
},
pointerEnter: {
registrationName: 'onPointerEnter',
dependencies: [TOP_POINTER_OUT, TOP_POINTER_OVER]
},
pointerLeave: {
registrationName: 'onPointerLeave',
dependencies: [TOP_POINTER_OUT, TOP_POINTER_OVER]
}
};
var EnterLeaveEventPlugin = {
eventTypes: eventTypes$2,
/**
* For almost every interaction we care about, there will be both a top-level
* `mouseover` and `mouseout` event that occurs. Only use `mouseout` so that
* we do not extract duplicate events. However, moving the mouse into the
* browser from outside will not fire a `mouseout` event. In this case, we use
* the `mouseover` top-level event.
*/
extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var isOverEvent = topLevelType === TOP_MOUSE_OVER || topLevelType === TOP_POINTER_OVER;
var isOutEvent = topLevelType === TOP_MOUSE_OUT || topLevelType === TOP_POINTER_OUT;
if (isOverEvent && (nativeEvent.relatedTarget || nativeEvent.fromElement)) {
return null;
}
if (!isOutEvent && !isOverEvent) {
// Must not be a mouse or pointer in or out - ignoring.
return null;
}
var win = void 0;
if (nativeEventTarget.window === nativeEventTarget) {
// `nativeEventTarget` is probably a window object.
win = nativeEventTarget;
} else {
// TODO: Figure out why `ownerDocument` is sometimes undefined in IE8.
var doc = nativeEventTarget.ownerDocument;
if (doc) {
win = doc.defaultView || doc.parentWindow;
} else {
win = window;
}
}
var from = void 0;
var to = void 0;
if (isOutEvent) {
from = targetInst;
var related = nativeEvent.relatedTarget || nativeEvent.toElement;
to = related ? getClosestInstanceFromNode(related) : null;
} else {
// Moving to a node from outside the window.
from = null;
to = targetInst;
}
if (from === to) {
// Nothing pertains to our managed components.
return null;
}
var eventInterface = void 0,
leaveEventType = void 0,
enterEventType = void 0,
eventTypePrefix = void 0;
if (topLevelType === TOP_MOUSE_OUT || topLevelType === TOP_MOUSE_OVER) {
eventInterface = SyntheticMouseEvent;
leaveEventType = eventTypes$2.mouseLeave;
enterEventType = eventTypes$2.mouseEnter;
eventTypePrefix = 'mouse';
} else if (topLevelType === TOP_POINTER_OUT || topLevelType === TOP_POINTER_OVER) {
eventInterface = SyntheticPointerEvent;
leaveEventType = eventTypes$2.pointerLeave;
enterEventType = eventTypes$2.pointerEnter;
eventTypePrefix = 'pointer';
}
var fromNode = from == null ? win : getNodeFromInstance$1(from);
var toNode = to == null ? win : getNodeFromInstance$1(to);
var leave = eventInterface.getPooled(leaveEventType, from, nativeEvent, nativeEventTarget);
leave.type = eventTypePrefix + 'leave';
leave.target = fromNode;
leave.relatedTarget = toNode;
var enter = eventInterface.getPooled(enterEventType, to, nativeEvent, nativeEventTarget);
enter.type = eventTypePrefix + 'enter';
enter.target = toNode;
enter.relatedTarget = fromNode;
accumulateEnterLeaveDispatches(leave, enter, from, to);
return [leave, enter];
}
};
/**
* inlined Object.is polyfill to avoid requiring consumers ship their own
* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is
*/
function is(x, y) {
return x === y && (x !== 0 || 1 / x === 1 / y) || x !== x && y !== y // eslint-disable-line no-self-compare
;
}
var hasOwnProperty$1 = Object.prototype.hasOwnProperty;
/**
* Performs equality by iterating through keys on an object and returning false
* when any key has values which are not strictly equal between the arguments.
* Returns true when the values of all keys are strictly equal.
*/
function shallowEqual(objA, objB) {
if (is(objA, objB)) {
return true;
}
if (typeof objA !== 'object' || objA === null || typeof objB !== 'object' || objB === null) {
return false;
}
var keysA = Object.keys(objA);
var keysB = Object.keys(objB);
if (keysA.length !== keysB.length) {
return false;
}
// Test for A's keys different from B.
for (var i = 0; i < keysA.length; i++) {
if (!hasOwnProperty$1.call(objB, keysA[i]) || !is(objA[keysA[i]], objB[keysA[i]])) {
return false;
}
}
return true;
}
/**
* `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 has(key) {
return key._reactInternalFiber !== undefined;
}
function set(key, value) {
key._reactInternalFiber = value;
}
// Don't change these two values. They're used by React Dev Tools.
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 DidCapture = /* */64;
var Ref = /* */128;
var Snapshot = /* */256;
var Passive = /* */512;
// Passive & Update & Callback & Ref & Snapshot
var LifecycleEffectMask = /* */932;
// Union of all host effects
var HostEffectMask = /* */1023;
var Incomplete = /* */1024;
var ShouldCapture = /* */2048;
var ReactCurrentOwner$1 = ReactSharedInternals.ReactCurrentOwner;
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 fiber = get(component);
if (!fiber) {
return false;
}
return isFiberMountedImpl(fiber) === MOUNTED;
}
function assertIsMounted(fiber) {
!(isFiberMountedImpl(fiber) === MOUNTED) ? reactProdInvariant('188') : void 0;
}
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);
!(state !== UNMOUNTED) ? reactProdInvariant('188') : void 0;
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.
reactProdInvariant('188');
}
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;
}
!didFindChild ? reactProdInvariant('189') : void 0;
}
}
!(a.alternate === b) ? reactProdInvariant('190') : void 0;
}
// If the root is not a host container, we're in a disconnected tree. I.e.
// unmounted.
!(a.tag === HostRoot) ? reactProdInvariant('188') : void 0;
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 addEventBubbleListener(element, eventType, listener) {
element.addEventListener(eventType, listener, false);
}
function addEventCaptureListener(element, eventType, listener) {
element.addEventListener(eventType, listener, true);
}
/**
* @interface Event
* @see http://www.w3.org/TR/css3-animations/#AnimationEvent-interface
* @see https://developer.mozilla.org/en-US/docs/Web/API/AnimationEvent
*/
var SyntheticAnimationEvent = SyntheticEvent.extend({
animationName: null,
elapsedTime: null,
pseudoElement: null
});
/**
* @interface Event
* @see http://www.w3.org/TR/clipboard-apis/
*/
var SyntheticClipboardEvent = SyntheticEvent.extend({
clipboardData: function (event) {
return 'clipboardData' in event ? event.clipboardData : window.clipboardData;
}
});
/**
* @interface FocusEvent
* @see http://www.w3.org/TR/DOM-Level-3-Events/
*/
var SyntheticFocusEvent = SyntheticUIEvent.extend({
relatedTarget: null
});
/**
* `charCode` represents the actual "character code" and is safe to use with
* `String.fromCharCode`. As such, only keys that correspond to printable
* characters produce a valid `charCode`, the only exception to this is Enter.
* The Tab-key is considered non-printable and does not have a `charCode`,
* presumably because it does not produce a tab-character in browsers.
*
* @param {object} nativeEvent Native browser event.
* @return {number} Normalized `charCode` property.
*/
function getEventCharCode(nativeEvent) {
var charCode = void 0;
var keyCode = nativeEvent.keyCode;
if ('charCode' in nativeEvent) {
charCode = nativeEvent.charCode;
// FF does not set `charCode` for the Enter-key, check against `keyCode`.
if (charCode === 0 && keyCode === 13) {
charCode = 13;
}
} else {
// IE8 does not implement `charCode`, but `keyCode` has the correct value.
charCode = keyCode;
}
// IE and Edge (on Windows) and Chrome / Safari (on Windows and Linux)
// report Enter as charCode 10 when ctrl is pressed.
if (charCode === 10) {
charCode = 13;
}
// Some non-printable keys are reported in `charCode`/`keyCode`, discard them.
// Must not discard the (non-)printable Enter-key.
if (charCode >= 32 || charCode === 13) {
return charCode;
}
return 0;
}
/**
* Normalization of deprecated HTML5 `key` values
* @see https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent#Key_names
*/
var normalizeKey = {
Esc: 'Escape',
Spacebar: ' ',
Left: 'ArrowLeft',
Up: 'ArrowUp',
Right: 'ArrowRight',
Down: 'ArrowDown',
Del: 'Delete',
Win: 'OS',
Menu: 'ContextMenu',
Apps: 'ContextMenu',
Scroll: 'ScrollLock',
MozPrintableKey: 'Unidentified'
};
/**
* Translation from legacy `keyCode` to HTML5 `key`
* Only special keys supported, all others depend on keyboard layout or browser
* @see https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent#Key_names
*/
var translateToKey = {
'8': 'Backspace',
'9': 'Tab',
'12': 'Clear',
'13': 'Enter',
'16': 'Shift',
'17': 'Control',
'18': 'Alt',
'19': 'Pause',
'20': 'CapsLock',
'27': 'Escape',
'32': ' ',
'33': 'PageUp',
'34': 'PageDown',
'35': 'End',
'36': 'Home',
'37': 'ArrowLeft',
'38': 'ArrowUp',
'39': 'ArrowRight',
'40': 'ArrowDown',
'45': 'Insert',
'46': 'Delete',
'112': 'F1',
'113': 'F2',
'114': 'F3',
'115': 'F4',
'116': 'F5',
'117': 'F6',
'118': 'F7',
'119': 'F8',
'120': 'F9',
'121': 'F10',
'122': 'F11',
'123': 'F12',
'144': 'NumLock',
'145': 'ScrollLock',
'224': 'Meta'
};
/**
* @param {object} nativeEvent Native browser event.
* @return {string} Normalized `key` property.
*/
function getEventKey(nativeEvent) {
if (nativeEvent.key) {
// Normalize inconsistent values reported by browsers due to
// implementations of a working draft specification.
// FireFox implements `key` but returns `MozPrintableKey` for all
// printable characters (normalized to `Unidentified`), ignore it.
var key = normalizeKey[nativeEvent.key] || nativeEvent.key;
if (key !== 'Unidentified') {
return key;
}
}
// Browser does not implement `key`, polyfill as much of it as we can.
if (nativeEvent.type === 'keypress') {
var charCode = getEventCharCode(nativeEvent);
// The enter-key is technically both printable and non-printable and can
// thus be captured by `keypress`, no other non-printable key should.
return charCode === 13 ? 'Enter' : String.fromCharCode(charCode);
}
if (nativeEvent.type === 'keydown' || nativeEvent.type === 'keyup') {
// While user keyboard layout determines the actual meaning of each
// `keyCode` value, almost all function keys have a universal value.
return translateToKey[nativeEvent.keyCode] || 'Unidentified';
}
return '';
}
/**
* @interface KeyboardEvent
* @see http://www.w3.org/TR/DOM-Level-3-Events/
*/
var SyntheticKeyboardEvent = SyntheticUIEvent.extend({
key: getEventKey,
location: null,
ctrlKey: null,
shiftKey: null,
altKey: null,
metaKey: null,
repeat: null,
locale: null,
getModifierState: getEventModifierState,
// Legacy Interface
charCode: function (event) {
// `charCode` is the result of a KeyPress event and represents the value of
// the actual printable character.
// KeyPress is deprecated, but its replacement is not yet final and not
// implemented in any major browser. Only KeyPress has charCode.
if (event.type === 'keypress') {
return getEventCharCode(event);
}
return 0;
},
keyCode: function (event) {
// `keyCode` is the result of a KeyDown/Up event and represents the value of
// physical keyboard key.
// The actual meaning of the value depends on the users' keyboard layout
// which cannot be detected. Assuming that it is a US keyboard layout
// provides a surprisingly accurate mapping for US and European users.
// Due to this, it is left to the user to implement at this time.
if (event.type === 'keydown' || event.type === 'keyup') {
return event.keyCode;
}
return 0;
},
which: function (event) {
// `which` is an alias for either `keyCode` or `charCode` depending on the
// type of the event.
if (event.type === 'keypress') {
return getEventCharCode(event);
}
if (event.type === 'keydown' || event.type === 'keyup') {
return event.keyCode;
}
return 0;
}
});
/**
* @interface DragEvent
* @see http://www.w3.org/TR/DOM-Level-3-Events/
*/
var SyntheticDragEvent = SyntheticMouseEvent.extend({
dataTransfer: null
});
/**
* @interface TouchEvent
* @see http://www.w3.org/TR/touch-events/
*/
var SyntheticTouchEvent = SyntheticUIEvent.extend({
touches: null,
targetTouches: null,
changedTouches: null,
altKey: null,
metaKey: null,
ctrlKey: null,
shiftKey: null,
getModifierState: getEventModifierState
});
/**
* @interface Event
* @see http://www.w3.org/TR/2009/WD-css3-transitions-20090320/#transition-events-
* @see https://developer.mozilla.org/en-US/docs/Web/API/TransitionEvent
*/
var SyntheticTransitionEvent = SyntheticEvent.extend({
propertyName: null,
elapsedTime: null,
pseudoElement: null
});
/**
* @interface WheelEvent
* @see http://www.w3.org/TR/DOM-Level-3-Events/
*/
var SyntheticWheelEvent = SyntheticMouseEvent.extend({
deltaX: function (event) {
return 'deltaX' in event ? event.deltaX : // Fallback to `wheelDeltaX` for Webkit and normalize (right is positive).
'wheelDeltaX' in event ? -event.wheelDeltaX : 0;
},
deltaY: function (event) {
return 'deltaY' in event ? event.deltaY : // Fallback to `wheelDeltaY` for Webkit and normalize (down is positive).
'wheelDeltaY' in event ? -event.wheelDeltaY : // Fallback to `wheelDelta` for IE<9 and normalize (down is positive).
'wheelDelta' in event ? -event.wheelDelta : 0;
},
deltaZ: null,
// Browsers without "deltaMode" is reporting in raw wheel delta where one
// notch on the scroll is always +/- 120, roughly equivalent to pixels.
// A good approximation of DOM_DELTA_LINE (1) is 5% of viewport size or
// ~40 pixels, for DOM_DELTA_SCREEN (2) it is 87.5% of viewport size.
deltaMode: null
});
/**
* Turns
* ['abort', ...]
* into
* eventTypes = {
* 'abort': {
* phasedRegistrationNames: {
* bubbled: 'onAbort',
* captured: 'onAbortCapture',
* },
* dependencies: [TOP_ABORT],
* },
* ...
* };
* topLevelEventsToDispatchConfig = new Map([
* [TOP_ABORT, { sameConfig }],
* ]);
*/
var interactiveEventTypeNames = [[TOP_BLUR, 'blur'], [TOP_CANCEL, 'cancel'], [TOP_CLICK, 'click'], [TOP_CLOSE, 'close'], [TOP_CONTEXT_MENU, 'contextMenu'], [TOP_COPY, 'copy'], [TOP_CUT, 'cut'], [TOP_AUX_CLICK, 'auxClick'], [TOP_DOUBLE_CLICK, 'doubleClick'], [TOP_DRAG_END, 'dragEnd'], [TOP_DRAG_START, 'dragStart'], [TOP_DROP, 'drop'], [TOP_FOCUS, 'focus'], [TOP_INPUT, 'input'], [TOP_INVALID, 'invalid'], [TOP_KEY_DOWN, 'keyDown'], [TOP_KEY_PRESS, 'keyPress'], [TOP_KEY_UP, 'keyUp'], [TOP_MOUSE_DOWN, 'mouseDown'], [TOP_MOUSE_UP, 'mouseUp'], [TOP_PASTE, 'paste'], [TOP_PAUSE, 'pause'], [TOP_PLAY, 'play'], [TOP_POINTER_CANCEL, 'pointerCancel'], [TOP_POINTER_DOWN, 'pointerDown'], [TOP_POINTER_UP, 'pointerUp'], [TOP_RATE_CHANGE, 'rateChange'], [TOP_RESET, 'reset'], [TOP_SEEKED, 'seeked'], [TOP_SUBMIT, 'submit'], [TOP_TOUCH_CANCEL, 'touchCancel'], [TOP_TOUCH_END, 'touchEnd'], [TOP_TOUCH_START, 'touchStart'], [TOP_VOLUME_CHANGE, 'volumeChange']];
var nonInteractiveEventTypeNames = [[TOP_ABORT, 'abort'], [TOP_ANIMATION_END, 'animationEnd'], [TOP_ANIMATION_ITERATION, 'animationIteration'], [TOP_ANIMATION_START, 'animationStart'], [TOP_CAN_PLAY, 'canPlay'], [TOP_CAN_PLAY_THROUGH, 'canPlayThrough'], [TOP_DRAG, 'drag'], [TOP_DRAG_ENTER, 'dragEnter'], [TOP_DRAG_EXIT, 'dragExit'], [TOP_DRAG_LEAVE, 'dragLeave'], [TOP_DRAG_OVER, 'dragOver'], [TOP_DURATION_CHANGE, 'durationChange'], [TOP_EMPTIED, 'emptied'], [TOP_ENCRYPTED, 'encrypted'], [TOP_ENDED, 'ended'], [TOP_ERROR, 'error'], [TOP_GOT_POINTER_CAPTURE, 'gotPointerCapture'], [TOP_LOAD, 'load'], [TOP_LOADED_DATA, 'loadedData'], [TOP_LOADED_METADATA, 'loadedMetadata'], [TOP_LOAD_START, 'loadStart'], [TOP_LOST_POINTER_CAPTURE, 'lostPointerCapture'], [TOP_MOUSE_MOVE, 'mouseMove'], [TOP_MOUSE_OUT, 'mouseOut'], [TOP_MOUSE_OVER, 'mouseOver'], [TOP_PLAYING, 'playing'], [TOP_POINTER_MOVE, 'pointerMove'], [TOP_POINTER_OUT, 'pointerOut'], [TOP_POINTER_OVER, 'pointerOver'], [TOP_PROGRESS, 'progress'], [TOP_SCROLL, 'scroll'], [TOP_SEEKING, 'seeking'], [TOP_STALLED, 'stalled'], [TOP_SUSPEND, 'suspend'], [TOP_TIME_UPDATE, 'timeUpdate'], [TOP_TOGGLE, 'toggle'], [TOP_TOUCH_MOVE, 'touchMove'], [TOP_TRANSITION_END, 'transitionEnd'], [TOP_WAITING, 'waiting'], [TOP_WHEEL, 'wheel']];
var eventTypes$4 = {};
var topLevelEventsToDispatchConfig = {};
function addEventTypeNameToConfig(_ref, isInteractive) {
var topEvent = _ref[0],
event = _ref[1];
var capitalizedEvent = event[0].toUpperCase() + event.slice(1);
var onEvent = 'on' + capitalizedEvent;
var type = {
phasedRegistrationNames: {
bubbled: onEvent,
captured: onEvent + 'Capture'
},
dependencies: [topEvent],
isInteractive: isInteractive
};
eventTypes$4[event] = type;
topLevelEventsToDispatchConfig[topEvent] = type;
}
interactiveEventTypeNames.forEach(function (eventTuple) {
addEventTypeNameToConfig(eventTuple, true);
});
nonInteractiveEventTypeNames.forEach(function (eventTuple) {
addEventTypeNameToConfig(eventTuple, false);
});
var SimpleEventPlugin = {
eventTypes: eventTypes$4,
isInteractiveTopLevelEventType: function (topLevelType) {
var config = topLevelEventsToDispatchConfig[topLevelType];
return config !== undefined && config.isInteractive === true;
},
extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var dispatchConfig = topLevelEventsToDispatchConfig[topLevelType];
if (!dispatchConfig) {
return null;
}
var EventConstructor = void 0;
switch (topLevelType) {
case TOP_KEY_PRESS:
// Firefox creates a keypress event for function keys too. This removes
// the unwanted keypress events. Enter is however both printable and
// non-printable. One would expect Tab to be as well (but it isn't).
if (getEventCharCode(nativeEvent) === 0) {
return null;
}
/* falls through */
case TOP_KEY_DOWN:
case TOP_KEY_UP:
EventConstructor = SyntheticKeyboardEvent;
break;
case TOP_BLUR:
case TOP_FOCUS:
EventConstructor = SyntheticFocusEvent;
break;
case TOP_CLICK:
// Firefox creates a click event on right mouse clicks. This removes the
// unwanted click events.
if (nativeEvent.button === 2) {
return null;
}
/* falls through */
case TOP_AUX_CLICK:
case TOP_DOUBLE_CLICK:
case TOP_MOUSE_DOWN:
case TOP_MOUSE_MOVE:
case TOP_MOUSE_UP:
// TODO: Disabled elements should not respond to mouse events
/* falls through */
case TOP_MOUSE_OUT:
case TOP_MOUSE_OVER:
case TOP_CONTEXT_MENU:
EventConstructor = SyntheticMouseEvent;
break;
case TOP_DRAG:
case TOP_DRAG_END:
case TOP_DRAG_ENTER:
case TOP_DRAG_EXIT:
case TOP_DRAG_LEAVE:
case TOP_DRAG_OVER:
case TOP_DRAG_START:
case TOP_DROP:
EventConstructor = SyntheticDragEvent;
break;
case TOP_TOUCH_CANCEL:
case TOP_TOUCH_END:
case TOP_TOUCH_MOVE:
case TOP_TOUCH_START:
EventConstructor = SyntheticTouchEvent;
break;
case TOP_ANIMATION_END:
case TOP_ANIMATION_ITERATION:
case TOP_ANIMATION_START:
EventConstructor = SyntheticAnimationEvent;
break;
case TOP_TRANSITION_END:
EventConstructor = SyntheticTransitionEvent;
break;
case TOP_SCROLL:
EventConstructor = SyntheticUIEvent;
break;
case TOP_WHEEL:
EventConstructor = SyntheticWheelEvent;
break;
case TOP_COPY:
case TOP_CUT:
case TOP_PASTE:
EventConstructor = SyntheticClipboardEvent;
break;
case TOP_GOT_POINTER_CAPTURE:
case TOP_LOST_POINTER_CAPTURE:
case TOP_POINTER_CANCEL:
case TOP_POINTER_DOWN:
case TOP_POINTER_MOVE:
case TOP_POINTER_OUT:
case TOP_POINTER_OVER:
case TOP_POINTER_UP:
EventConstructor = SyntheticPointerEvent;
break;
default:
// HTML Events
// @see http://www.w3.org/TR/html5/index.html#events-0
EventConstructor = SyntheticEvent;
break;
}
var event = EventConstructor.getPooled(dispatchConfig, targetInst, nativeEvent, nativeEventTarget);
accumulateTwoPhaseDispatches(event);
return event;
}
};
var isInteractiveTopLevelEventType = SimpleEventPlugin.isInteractiveTopLevelEventType;
var CALLBACK_BOOKKEEPING_POOL_SIZE = 10;
var callbackBookkeepingPool = [];
/**
* Find the deepest React component completely containing the root of the
* passed-in instance (for use when entire React trees are nested within each
* other). If React trees are not nested, returns null.
*/
function findRootContainerNode(inst) {
// TODO: It may be a good idea to cache this to prevent unnecessary DOM
// traversal, but caching is difficult to do correctly without using a
// mutation observer to listen for all DOM changes.
while (inst.return) {
inst = inst.return;
}
if (inst.tag !== HostRoot) {
// This can happen if we're in a detached tree.
return null;
}
return inst.stateNode.containerInfo;
}
// Used to store ancestor hierarchy in top level callback
function getTopLevelCallbackBookKeeping(topLevelType, nativeEvent, targetInst) {
if (callbackBookkeepingPool.length) {
var instance = callbackBookkeepingPool.pop();
instance.topLevelType = topLevelType;
instance.nativeEvent = nativeEvent;
instance.targetInst = targetInst;
return instance;
}
return {
topLevelType: topLevelType,
nativeEvent: nativeEvent,
targetInst: targetInst,
ancestors: []
};
}
function releaseTopLevelCallbackBookKeeping(instance) {
instance.topLevelType = null;
instance.nativeEvent = null;
instance.targetInst = null;
instance.ancestors.length = 0;
if (callbackBookkeepingPool.length < CALLBACK_BOOKKEEPING_POOL_SIZE) {
callbackBookkeepingPool.push(instance);
}
}
function handleTopLevel(bookKeeping) {
var targetInst = bookKeeping.targetInst;
// Loop through the hierarchy, in case there's any nested components.
// It's important that we build the array of ancestors before calling any
// event handlers, because event handlers can modify the DOM, leading to
// inconsistencies with ReactMount's node cache. See #1105.
var ancestor = targetInst;
do {
if (!ancestor) {
bookKeeping.ancestors.push(ancestor);
break;
}
var root = findRootContainerNode(ancestor);
if (!root) {
break;
}
bookKeeping.ancestors.push(ancestor);
ancestor = getClosestInstanceFromNode(root);
} while (ancestor);
for (var i = 0; i < bookKeeping.ancestors.length; i++) {
targetInst = bookKeeping.ancestors[i];
runExtractedEventsInBatch(bookKeeping.topLevelType, targetInst, bookKeeping.nativeEvent, getEventTarget(bookKeeping.nativeEvent));
}
}
// TODO: can we stop exporting these?
var _enabled = true;
function setEnabled(enabled) {
_enabled = !!enabled;
}
function isEnabled() {
return _enabled;
}
/**
* Traps top-level events by using event bubbling.
*
* @param {number} topLevelType Number from `TopLevelEventTypes`.
* @param {object} element Element on which to attach listener.
* @return {?object} An object with a remove function which will forcefully
* remove the listener.
* @internal
*/
function trapBubbledEvent(topLevelType, element) {
if (!element) {
return null;
}
var dispatch = isInteractiveTopLevelEventType(topLevelType) ? dispatchInteractiveEvent : dispatchEvent;
addEventBubbleListener(element, getRawEventName(topLevelType),
// Check if interactive and wrap in interactiveUpdates
dispatch.bind(null, topLevelType));
}
/**
* Traps a top-level event by using event capturing.
*
* @param {number} topLevelType Number from `TopLevelEventTypes`.
* @param {object} element Element on which to attach listener.
* @return {?object} An object with a remove function which will forcefully
* remove the listener.
* @internal
*/
function trapCapturedEvent(topLevelType, element) {
if (!element) {
return null;
}
var dispatch = isInteractiveTopLevelEventType(topLevelType) ? dispatchInteractiveEvent : dispatchEvent;
addEventCaptureListener(element, getRawEventName(topLevelType),
// Check if interactive and wrap in interactiveUpdates
dispatch.bind(null, topLevelType));
}
function dispatchInteractiveEvent(topLevelType, nativeEvent) {
interactiveUpdates(dispatchEvent, topLevelType, nativeEvent);
}
function dispatchEvent(topLevelType, nativeEvent) {
if (!_enabled) {
return;
}
var nativeEventTarget = getEventTarget(nativeEvent);
var targetInst = getClosestInstanceFromNode(nativeEventTarget);
if (targetInst !== null && typeof targetInst.tag === 'number' && !isFiberMounted(targetInst)) {
// If we get an event (ex: img onload) before committing that
// component's mount, ignore it for now (that is, treat it as if it was an
// event on a non-React tree). We might also consider queueing events and
// dispatching them after the mount.
targetInst = null;
}
var bookKeeping = getTopLevelCallbackBookKeeping(topLevelType, nativeEvent, targetInst);
try {
// Event queue being processed in the same cycle allows
// `preventDefault`.
batchedUpdates(handleTopLevel, bookKeeping);
} finally {
releaseTopLevelCallbackBookKeeping(bookKeeping);
}
}
/**
* Summary of `ReactBrowserEventEmitter` event handling:
*
* - Top-level delegation is used to trap most native browser events. This
* may only occur in the main thread and is the responsibility of
* ReactDOMEventListener, which is injected and can therefore support
* pluggable event sources. This is the only work that occurs in the main
* thread.
*
* - We normalize and de-duplicate events to account for browser quirks. This
* may be done in the worker thread.
*
* - Forward these native events (with the associated top-level type used to
* trap it) to `EventPluginHub`, which in turn will ask plugins if they want
* to extract any synthetic events.
*
* - The `EventPluginHub` will then process each event by annotating them with
* "dispatches", a sequence of listeners and IDs that care about that event.
*
* - The `EventPluginHub` then dispatches the events.
*
* Overview of React and the event system:
*
* +------------+ .
* | DOM | .
* +------------+ .
* | .
* v .
* +------------+ .
* | ReactEvent | .
* | Listener | .
* +------------+ . +-----------+
* | . +--------+|SimpleEvent|
* | . | |Plugin |
* +-----|------+ . v +-----------+
* | | | . +--------------+ +------------+
* | +-----------.--->|EventPluginHub| | Event |
* | | . | | +-----------+ | Propagators|
* | ReactEvent | . | | |TapEvent | |------------|
* | Emitter | . | |<---+|Plugin | |other plugin|
* | | . | | +-----------+ | utilities |
* | +-----------.--->| | +------------+
* | | | . +--------------+
* +-----|------+ . ^ +-----------+
* | . | |Enter/Leave|
* + . +-------+|Plugin |
* +-------------+ . +-----------+
* | application | .
* |-------------| .
* | | .
* | | .
* +-------------+ .
* .
* React Core . General Purpose Event Plugin System
*/
var alreadyListeningTo = {};
var reactTopListenersCounter = 0;
/**
* To ensure no conflicts with other potential React instances on the page
*/
var topListenersIDKey = '_reactListenersID' + ('' + Math.random()).slice(2);
function getListeningForDocument(mountAt) {
// In IE8, `mountAt` is a host object and doesn't have `hasOwnProperty`
// directly.
if (!Object.prototype.hasOwnProperty.call(mountAt, topListenersIDKey)) {
mountAt[topListenersIDKey] = reactTopListenersCounter++;
alreadyListeningTo[mountAt[topListenersIDKey]] = {};
}
return alreadyListeningTo[mountAt[topListenersIDKey]];
}
/**
* We listen for bubbled touch events on the document object.
*
* Firefox v8.01 (and possibly others) exhibited strange behavior when
* mounting `onmousemove` events at some node that was not the document
* element. The symptoms were that if your mouse is not moving over something
* contained within that mount point (for example on the background) the
* top-level listeners for `onmousemove` won't be called. However, if you
* register the `mousemove` on the document object, then it will of course
* catch all `mousemove`s. This along with iOS quirks, justifies restricting
* top-level listeners to the document object only, at least for these
* movement types of events and possibly all events.
*
* @see http://www.quirksmode.org/blog/archives/2010/09/click_event_del.html
*
* Also, `keyup`/`keypress`/`keydown` do not bubble to the window on IE, but
* they bubble to document.
*
* @param {string} registrationName Name of listener (e.g. `onClick`).
* @param {object} mountAt Container where to mount the listener
*/
function listenTo(registrationName, mountAt) {
var isListening = getListeningForDocument(mountAt);
var dependencies = registrationNameDependencies[registrationName];
for (var i = 0; i < dependencies.length; i++) {
var dependency = dependencies[i];
if (!(isListening.hasOwnProperty(dependency) && isListening[dependency])) {
switch (dependency) {
case TOP_SCROLL:
trapCapturedEvent(TOP_SCROLL, mountAt);
break;
case TOP_FOCUS:
case TOP_BLUR:
trapCapturedEvent(TOP_FOCUS, mountAt);
trapCapturedEvent(TOP_BLUR, mountAt);
// We set the flag for a single dependency later in this function,
// but this ensures we mark both as attached rather than just one.
isListening[TOP_BLUR] = true;
isListening[TOP_FOCUS] = true;
break;
case TOP_CANCEL:
case TOP_CLOSE:
if (isEventSupported(getRawEventName(dependency))) {
trapCapturedEvent(dependency, mountAt);
}
break;
case TOP_INVALID:
case TOP_SUBMIT:
case TOP_RESET:
// We listen to them on the target DOM elements.
// Some of them bubble so we don't want them to fire twice.
break;
default:
// By default, listen on the top level to all non-media events.
// Media events don't bubble so adding the listener wouldn't do anything.
var isMediaEvent = mediaEventTypes.indexOf(dependency) !== -1;
if (!isMediaEvent) {
trapBubbledEvent(dependency, mountAt);
}
break;
}
isListening[dependency] = true;
}
}
}
function isListeningToAllDependencies(registrationName, mountAt) {
var isListening = getListeningForDocument(mountAt);
var dependencies = registrationNameDependencies[registrationName];
for (var i = 0; i < dependencies.length; i++) {
var dependency = dependencies[i];
if (!(isListening.hasOwnProperty(dependency) && isListening[dependency])) {
return false;
}
}
return true;
}
function getActiveElement(doc) {
doc = doc || (typeof document !== 'undefined' ? document : undefined);
if (typeof doc === 'undefined') {
return null;
}
try {
return doc.activeElement || doc.body;
} catch (e) {
return doc.body;
}
}
/**
* Given any node return the first leaf node without children.
*
* @param {DOMElement|DOMTextNode} node
* @return {DOMElement|DOMTextNode}
*/
function getLeafNode(node) {
while (node && node.firstChild) {
node = node.firstChild;
}
return node;
}
/**
* Get the next sibling within a container. This will walk up the
* DOM if a node's siblings have been exhausted.
*
* @param {DOMElement|DOMTextNode} node
* @return {?DOMElement|DOMTextNode}
*/
function getSiblingNode(node) {
while (node) {
if (node.nextSibling) {
return node.nextSibling;
}
node = node.parentNode;
}
}
/**
* Get object describing the nodes which contain characters at offset.
*
* @param {DOMElement|DOMTextNode} root
* @param {number} offset
* @return {?object}
*/
function getNodeForCharacterOffset(root, offset) {
var node = getLeafNode(root);
var nodeStart = 0;
var nodeEnd = 0;
while (node) {
if (node.nodeType === TEXT_NODE) {
nodeEnd = nodeStart + node.textContent.length;
if (nodeStart <= offset && nodeEnd >= offset) {
return {
node: node,
offset: offset - nodeStart
};
}
nodeStart = nodeEnd;
}
node = getLeafNode(getSiblingNode(node));
}
}
/**
* @param {DOMElement} outerNode
* @return {?object}
*/
function getOffsets(outerNode) {
var ownerDocument = outerNode.ownerDocument;
var win = ownerDocument && ownerDocument.defaultView || window;
var selection = win.getSelection && win.getSelection();
if (!selection || selection.rangeCount === 0) {
return null;
}
var anchorNode = selection.anchorNode,
anchorOffset = selection.anchorOffset,
focusNode = selection.focusNode,
focusOffset = selection.focusOffset;
// In Firefox, anchorNode and focusNode can be "anonymous divs", e.g. the
// up/down buttons on an <input type="number">. Anonymous divs do not seem to
// expose properties, triggering a "Permission denied error" if any of its
// properties are accessed. The only seemingly possible way to avoid erroring
// is to access a property that typically works for non-anonymous divs and
// catch any error that may otherwise arise. See
// https://bugzilla.mozilla.org/show_bug.cgi?id=208427
try {
/* eslint-disable no-unused-expressions */
anchorNode.nodeType;
focusNode.nodeType;
/* eslint-enable no-unused-expressions */
} catch (e) {
return null;
}
return getModernOffsetsFromPoints(outerNode, anchorNode, anchorOffset, focusNode, focusOffset);
}
/**
* Returns {start, end} where `start` is the character/codepoint index of
* (anchorNode, anchorOffset) within the textContent of `outerNode`, and
* `end` is the index of (focusNode, focusOffset).
*
* Returns null if you pass in garbage input but we should probably just crash.
*
* Exported only for testing.
*/
function getModernOffsetsFromPoints(outerNode, anchorNode, anchorOffset, focusNode, focusOffset) {
var length = 0;
var start = -1;
var end = -1;
var indexWithinAnchor = 0;
var indexWithinFocus = 0;
var node = outerNode;
var parentNode = null;
outer: while (true) {
var next = null;
while (true) {
if (node === anchorNode && (anchorOffset === 0 || node.nodeType === TEXT_NODE)) {
start = length + anchorOffset;
}
if (node === focusNode && (focusOffset === 0 || node.nodeType === TEXT_NODE)) {
end = length + focusOffset;
}
if (node.nodeType === TEXT_NODE) {
length += node.nodeValue.length;
}
if ((next = node.firstChild) === null) {
break;
}
// Moving from `node` to its first child `next`.
parentNode = node;
node = next;
}
while (true) {
if (node === outerNode) {
// If `outerNode` has children, this is always the second time visiting
// it. If it has no children, this is still the first loop, and the only
// valid selection is anchorNode and focusNode both equal to this node
// and both offsets 0, in which case we will have handled above.
break outer;
}
if (parentNode === anchorNode && ++indexWithinAnchor === anchorOffset) {
start = length;
}
if (parentNode === focusNode && ++indexWithinFocus === focusOffset) {
end = length;
}
if ((next = node.nextSibling) !== null) {
break;
}
node = parentNode;
parentNode = node.parentNode;
}
// Moving from `node` to its next sibling `next`.
node = next;
}
if (start === -1 || end === -1) {
// This should never happen. (Would happen if the anchor/focus nodes aren't
// actually inside the passed-in node.)
return null;
}
return {
start: start,
end: end
};
}
/**
* In modern non-IE browsers, we can support both forward and backward
* selections.
*
* Note: IE10+ supports the Selection object, but it does not support
* the `extend` method, which means that even in modern IE, it's not possible
* to programmatically create a backward selection. Thus, for all IE
* versions, we use the old IE API to create our selections.
*
* @param {DOMElement|DOMTextNode} node
* @param {object} offsets
*/
function setOffsets(node, offsets) {
var doc = node.ownerDocument || document;
var win = doc && doc.defaultView || window;
// Edge fails with "Object expected" in some scenarios.
// (For instance: TinyMCE editor used in a list component that supports pasting to add more,
// fails when pasting 100+ items)
if (!win.getSelection) {
return;
}
var selection = win.getSelection();
var length = node.textContent.length;
var start = Math.min(offsets.start, length);
var end = offsets.end === undefined ? start : Math.min(offsets.end, length);
// IE 11 uses modern selection, but doesn't support the extend method.
// Flip backward selections, so we can set with a single range.
if (!selection.extend && start > end) {
var temp = end;
end = start;
start = temp;
}
var startMarker = getNodeForCharacterOffset(node, start);
var endMarker = getNodeForCharacterOffset(node, end);
if (startMarker && endMarker) {
if (selection.rangeCount === 1 && selection.anchorNode === startMarker.node && selection.anchorOffset === startMarker.offset && selection.focusNode === endMarker.node && selection.focusOffset === endMarker.offset) {
return;
}
var range = doc.createRange();
range.setStart(startMarker.node, startMarker.offset);
selection.removeAllRanges();
if (start > end) {
selection.addRange(range);
selection.extend(endMarker.node, endMarker.offset);
} else {
range.setEnd(endMarker.node, endMarker.offset);
selection.addRange(range);
}
}
}
function isTextNode(node) {
return node && node.nodeType === TEXT_NODE;
}
function containsNode(outerNode, innerNode) {
if (!outerNode || !innerNode) {
return false;
} else if (outerNode === innerNode) {
return true;
} else if (isTextNode(outerNode)) {
return false;
} else if (isTextNode(innerNode)) {
return containsNode(outerNode, innerNode.parentNode);
} else if ('contains' in outerNode) {
return outerNode.contains(innerNode);
} else if (outerNode.compareDocumentPosition) {
return !!(outerNode.compareDocumentPosition(innerNode) & 16);
} else {
return false;
}
}
function isInDocument(node) {
return node && node.ownerDocument && containsNode(node.ownerDocument.documentElement, node);
}
function isSameOriginFrame(iframe) {
try {
// Accessing the contentDocument of a HTMLIframeElement can cause the browser
// to throw, e.g. if it has a cross-origin src attribute.
// Safari will show an error in the console when the access results in "Blocked a frame with origin". e.g:
// iframe.contentDocument.defaultView;
// A safety way is to access one of the cross origin properties: Window or Location
// Which might result in "SecurityError" DOM Exception and it is compatible to Safari.
// https://html.spec.whatwg.org/multipage/browsers.html#integration-with-idl
return typeof iframe.contentWindow.location.href === 'string';
} catch (err) {
return false;
}
}
function getActiveElementDeep() {
var win = window;
var element = getActiveElement();
while (element instanceof win.HTMLIFrameElement) {
if (isSameOriginFrame(element)) {
win = element.contentWindow;
} else {
return element;
}
element = getActiveElement(win.document);
}
return element;
}
/**
* @ReactInputSelection: React input selection module. Based on Selection.js,
* but modified to be suitable for react and has a couple of bug fixes (doesn't
* assume buttons have range selections allowed).
* Input selection module for React.
*/
/**
* @hasSelectionCapabilities: we get the element types that support selection
* from https://html.spec.whatwg.org/#do-not-apply, looking at `selectionStart`
* and `selectionEnd` rows.
*/
function hasSelectionCapabilities(elem) {
var nodeName = elem && elem.nodeName && elem.nodeName.toLowerCase();
return nodeName && (nodeName === 'input' && (elem.type === 'text' || elem.type === 'search' || elem.type === 'tel' || elem.type === 'url' || elem.type === 'password') || nodeName === 'textarea' || elem.contentEditable === 'true');
}
function getSelectionInformation() {
var focusedElem = getActiveElementDeep();
return {
focusedElem: focusedElem,
selectionRange: hasSelectionCapabilities(focusedElem) ? getSelection$1(focusedElem) : null
};
}
/**
* @restoreSelection: If any selection information was potentially lost,
* restore it. This is useful when performing operations that could remove dom
* nodes and place them back in, resulting in focus being lost.
*/
function restoreSelection(priorSelectionInformation) {
var curFocusedElem = getActiveElementDeep();
var priorFocusedElem = priorSelectionInformation.focusedElem;
var priorSelectionRange = priorSelectionInformation.selectionRange;
if (curFocusedElem !== priorFocusedElem && isInDocument(priorFocusedElem)) {
if (priorSelectionRange !== null && hasSelectionCapabilities(priorFocusedElem)) {
setSelection(priorFocusedElem, priorSelectionRange);
}
// Focusing a node can change the scroll position, which is undesirable
var ancestors = [];
var ancestor = priorFocusedElem;
while (ancestor = ancestor.parentNode) {
if (ancestor.nodeType === ELEMENT_NODE) {
ancestors.push({
element: ancestor,
left: ancestor.scrollLeft,
top: ancestor.scrollTop
});
}
}
if (typeof priorFocusedElem.focus === 'function') {
priorFocusedElem.focus();
}
for (var i = 0; i < ancestors.length; i++) {
var info = ancestors[i];
info.element.scrollLeft = info.left;
info.element.scrollTop = info.top;
}
}
}
/**
* @getSelection: Gets the selection bounds of a focused textarea, input or
* contentEditable node.
* -@input: Look up selection bounds of this input
* -@return {start: selectionStart, end: selectionEnd}
*/
function getSelection$1(input) {
var selection = void 0;
if ('selectionStart' in input) {
// Modern browser with input or textarea.
selection = {
start: input.selectionStart,
end: input.selectionEnd
};
} else {
// Content editable or old IE textarea.
selection = getOffsets(input);
}
return selection || { start: 0, end: 0 };
}
/**
* @setSelection: Sets the selection bounds of a textarea or input and focuses
* the input.
* -@input Set selection bounds of this input or textarea
* -@offsets Object of same form that is returned from get*
*/
function setSelection(input, offsets) {
var start = offsets.start,
end = offsets.end;
if (end === undefined) {
end = start;
}
if ('selectionStart' in input) {
input.selectionStart = start;
input.selectionEnd = Math.min(end, input.value.length);
} else {
setOffsets(input, offsets);
}
}
var skipSelectionChangeEvent = canUseDOM && 'documentMode' in document && document.documentMode <= 11;
var eventTypes$3 = {
select: {
phasedRegistrationNames: {
bubbled: 'onSelect',
captured: 'onSelectCapture'
},
dependencies: [TOP_BLUR, TOP_CONTEXT_MENU, TOP_DRAG_END, TOP_FOCUS, TOP_KEY_DOWN, TOP_KEY_UP, TOP_MOUSE_DOWN, TOP_MOUSE_UP, TOP_SELECTION_CHANGE]
}
};
var activeElement$1 = null;
var activeElementInst$1 = null;
var lastSelection = null;
var mouseDown = false;
/**
* Get an object which is a unique representation of the current selection.
*
* The return value will not be consistent across nodes or browsers, but
* two identical selections on the same node will return identical objects.
*
* @param {DOMElement} node
* @return {object}
*/
function getSelection(node) {
if ('selectionStart' in node && hasSelectionCapabilities(node)) {
return {
start: node.selectionStart,
end: node.selectionEnd
};
} else {
var win = node.ownerDocument && node.ownerDocument.defaultView || window;
var selection = win.getSelection();
return {
anchorNode: selection.anchorNode,
anchorOffset: selection.anchorOffset,
focusNode: selection.focusNode,
focusOffset: selection.focusOffset
};
}
}
/**
* Get document associated with the event target.
*
* @param {object} nativeEventTarget
* @return {Document}
*/
function getEventTargetDocument(eventTarget) {
return eventTarget.window === eventTarget ? eventTarget.document : eventTarget.nodeType === DOCUMENT_NODE ? eventTarget : eventTarget.ownerDocument;
}
/**
* Poll selection to see whether it's changed.
*
* @param {object} nativeEvent
* @param {object} nativeEventTarget
* @return {?SyntheticEvent}
*/
function constructSelectEvent(nativeEvent, nativeEventTarget) {
// Ensure we have the right element, and that the user is not dragging a
// selection (this matches native `select` event behavior). In HTML5, select
// fires only on input and textarea thus if there's no focused element we
// won't dispatch.
var doc = getEventTargetDocument(nativeEventTarget);
if (mouseDown || activeElement$1 == null || activeElement$1 !== getActiveElement(doc)) {
return null;
}
// Only fire when selection has actually changed.
var currentSelection = getSelection(activeElement$1);
if (!lastSelection || !shallowEqual(lastSelection, currentSelection)) {
lastSelection = currentSelection;
var syntheticEvent = SyntheticEvent.getPooled(eventTypes$3.select, activeElementInst$1, nativeEvent, nativeEventTarget);
syntheticEvent.type = 'select';
syntheticEvent.target = activeElement$1;
accumulateTwoPhaseDispatches(syntheticEvent);
return syntheticEvent;
}
return null;
}
/**
* This plugin creates an `onSelect` event that normalizes select events
* across form elements.
*
* Supported elements are:
* - input (see `isTextInputElement`)
* - textarea
* - contentEditable
*
* This differs from native browser implementations in the following ways:
* - Fires on contentEditable fields as well as inputs.
* - Fires for collapsed selection.
* - Fires after user input.
*/
var SelectEventPlugin = {
eventTypes: eventTypes$3,
extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var doc = getEventTargetDocument(nativeEventTarget);
// Track whether all listeners exists for this plugin. If none exist, we do
// not extract events. See #3639.
if (!doc || !isListeningToAllDependencies('onSelect', doc)) {
return null;
}
var targetNode = targetInst ? getNodeFromInstance$1(targetInst) : window;
switch (topLevelType) {
// Track the input node that has focus.
case TOP_FOCUS:
if (isTextInputElement(targetNode) || targetNode.contentEditable === 'true') {
activeElement$1 = targetNode;
activeElementInst$1 = targetInst;
lastSelection = null;
}
break;
case TOP_BLUR:
activeElement$1 = null;
activeElementInst$1 = null;
lastSelection = null;
break;
// Don't fire the event while the user is dragging. This matches the
// semantics of the native select event.
case TOP_MOUSE_DOWN:
mouseDown = true;
break;
case TOP_CONTEXT_MENU:
case TOP_MOUSE_UP:
case TOP_DRAG_END:
mouseDown = false;
return constructSelectEvent(nativeEvent, nativeEventTarget);
// Chrome and IE fire non-standard event when selection is changed (and
// sometimes when it hasn't). IE's event fires out of order with respect
// to key and input events on deletion, so we discard it.
//
// Firefox doesn't support selectionchange, so check selection status
// after each key entry. The selection changes after keydown and before
// keyup, but we check on keydown as well in the case of holding down a
// key, when multiple keydown events are fired but only one keyup is.
// This is also our approach for IE handling, for the reason above.
case TOP_SELECTION_CHANGE:
if (skipSelectionChangeEvent) {
break;
}
// falls through
case TOP_KEY_DOWN:
case TOP_KEY_UP:
return constructSelectEvent(nativeEvent, nativeEventTarget);
}
return null;
}
};
/**
* Inject modules for resolving DOM hierarchy and plugin ordering.
*/
injection.injectEventPluginOrder(DOMEventPluginOrder);
setComponentTree(getFiberCurrentPropsFromNode$1, getInstanceFromNode$1, getNodeFromInstance$1);
/**
* Some important event plugins included by default (without having to require
* them).
*/
injection.injectEventPluginsByName({
SimpleEventPlugin: SimpleEventPlugin,
EnterLeaveEventPlugin: EnterLeaveEventPlugin,
ChangeEventPlugin: ChangeEventPlugin,
SelectEventPlugin: SelectEventPlugin,
BeforeInputEventPlugin: BeforeInputEventPlugin
});
function flattenChildren(children) {
var content = '';
// Flatten children. We'll warn if they are invalid
// during validateProps() which runs for hydration too.
// Note that this would throw on non-element objects.
// Elements are stringified (which is normally irrelevant
// but matters for <fbt>).
React.Children.forEach(children, function (child) {
if (child == null) {
return;
}
content += child;
// Note: we don't warn about invalid children here.
// Instead, this is done separately below so that
// it happens during the hydration codepath too.
});
return content;
}
/**
* Implements an <option> host component that warns when `selected` is set.
*/
function postMountWrapper$1(element, props) {
// value="" should make a value attribute (#6219)
if (props.value != null) {
element.setAttribute('value', toString(getToStringValue(props.value)));
}
}
function getHostProps$1(element, props) {
var hostProps = _assign({ children: undefined }, props);
var content = flattenChildren(props.children);
if (content) {
hostProps.children = content;
}
return hostProps;
}
// TODO: direct imports like some-package/src/* are bad. Fix me.
function updateOptions(node, multiple, propValue, setDefaultSelected) {
var options = node.options;
if (multiple) {
var selectedValues = propValue;
var selectedValue = {};
for (var i = 0; i < selectedValues.length; i++) {
// Prefix to avoid chaos with special keys.
selectedValue['$' + selectedValues[i]] = true;
}
for (var _i = 0; _i < options.length; _i++) {
var selected = selectedValue.hasOwnProperty('$' + options[_i].value);
if (options[_i].selected !== selected) {
options[_i].selected = selected;
}
if (selected && setDefaultSelected) {
options[_i].defaultSelected = true;
}
}
} else {
// Do not set `select.value` as exact behavior isn't consistent across all
// browsers for all cases.
var _selectedValue = toString(getToStringValue(propValue));
var defaultSelected = null;
for (var _i2 = 0; _i2 < options.length; _i2++) {
if (options[_i2].value === _selectedValue) {
options[_i2].selected = true;
if (setDefaultSelected) {
options[_i2].defaultSelected = true;
}
return;
}
if (defaultSelected === null && !options[_i2].disabled) {
defaultSelected = options[_i2];
}
}
if (defaultSelected !== null) {
defaultSelected.selected = true;
}
}
}
/**
* Implements a <select> host component that allows optionally setting the
* props `value` and `defaultValue`. If `multiple` is false, the prop must be a
* stringable. If `multiple` is true, the prop must be an array of stringables.
*
* If `value` is not supplied (or null/undefined), user actions that change the
* selected option will trigger updates to the rendered options.
*
* If it is supplied (and not null/undefined), the rendered options will not
* update in response to user actions. Instead, the `value` prop must change in
* order for the rendered options to update.
*
* If `defaultValue` is provided, any options with the supplied values will be
* selected.
*/
function getHostProps$2(element, props) {
return _assign({}, props, {
value: undefined
});
}
function initWrapperState$1(element, props) {
var node = element;
node._wrapperState = {
wasMultiple: !!props.multiple
};
}
function postMountWrapper$2(element, props) {
var node = element;
node.multiple = !!props.multiple;
var value = props.value;
if (value != null) {
updateOptions(node, !!props.multiple, value, false);
} else if (props.defaultValue != null) {
updateOptions(node, !!props.multiple, props.defaultValue, true);
}
}
function postUpdateWrapper(element, props) {
var node = element;
var wasMultiple = node._wrapperState.wasMultiple;
node._wrapperState.wasMultiple = !!props.multiple;
var value = props.value;
if (value != null) {
updateOptions(node, !!props.multiple, value, false);
} else if (wasMultiple !== !!props.multiple) {
// For simplicity, reapply `defaultValue` if `multiple` is toggled.
if (props.defaultValue != null) {
updateOptions(node, !!props.multiple, props.defaultValue, true);
} else {
// Revert the select back to its default unselected state.
updateOptions(node, !!props.multiple, props.multiple ? [] : '', false);
}
}
}
function restoreControlledState$2(element, props) {
var node = element;
var value = props.value;
if (value != null) {
updateOptions(node, !!props.multiple, value, false);
}
}
/**
* Implements a <textarea> host component that allows setting `value`, and
* `defaultValue`. This differs from the traditional DOM API because value is
* usually set as PCDATA children.
*
* If `value` is not supplied (or null/undefined), user actions that affect the
* value will trigger updates to the element.
*
* If `value` is supplied (and not null/undefined), the rendered element will
* not trigger updates to the element. Instead, the `value` prop must change in
* order for the rendered element to be updated.
*
* The rendered element will be initialized with an empty value, the prop
* `defaultValue` if specified, or the children content (deprecated).
*/
function getHostProps$3(element, props) {
var node = element;
!(props.dangerouslySetInnerHTML == null) ? reactProdInvariant('91') : void 0;
// Always set children to the same thing. In IE9, the selection range will
// get reset if `textContent` is mutated. We could add a check in setTextContent
// to only set the value if/when the value differs from the node value (which would
// completely solve this IE9 bug), but Sebastian+Sophie seemed to like this
// solution. The value can be a boolean or object so that's why it's forced
// to be a string.
var hostProps = _assign({}, props, {
value: undefined,
defaultValue: undefined,
children: toString(node._wrapperState.initialValue)
});
return hostProps;
}
function initWrapperState$2(element, props) {
var node = element;
var initialValue = props.value;
// Only bother fetching default value if we're going to use it
if (initialValue == null) {
var defaultValue = props.defaultValue;
// TODO (yungsters): Remove support for children content in <textarea>.
var children = props.children;
if (children != null) {
!(defaultValue == null) ? reactProdInvariant('92') : void 0;
if (Array.isArray(children)) {
!(children.length <= 1) ? reactProdInvariant('93') : void 0;
children = children[0];
}
defaultValue = children;
}
if (defaultValue == null) {
defaultValue = '';
}
initialValue = defaultValue;
}
node._wrapperState = {
initialValue: getToStringValue(initialValue)
};
}
function updateWrapper$1(element, props) {
var node = element;
var value = getToStringValue(props.value);
var defaultValue = getToStringValue(props.defaultValue);
if (value != null) {
// Cast `value` to a string to ensure the value is set correctly. While
// browsers typically do this as necessary, jsdom doesn't.
var newValue = toString(value);
// To avoid side effects (such as losing text selection), only set value if changed
if (newValue !== node.value) {
node.value = newValue;
}
if (props.defaultValue == null && node.defaultValue !== newValue) {
node.defaultValue = newValue;
}
}
if (defaultValue != null) {
node.defaultValue = toString(defaultValue);
}
}
function postMountWrapper$3(element, props) {
var node = element;
// This is in postMount because we need access to the DOM node, which is not
// available until after the component has mounted.
var textContent = node.textContent;
// Only set node.value if textContent is equal to the expected
// initial value. In IE10/IE11 there is a bug where the placeholder attribute
// will populate textContent as well.
// https://developer.microsoft.com/microsoft-edge/platform/issues/101525/
if (textContent === node._wrapperState.initialValue) {
node.value = textContent;
}
}
function restoreControlledState$3(element, props) {
// DOM component is still mounted; update
updateWrapper$1(element, props);
}
var HTML_NAMESPACE$1 = 'http://www.w3.org/1999/xhtml';
var MATH_NAMESPACE = 'http://www.w3.org/1998/Math/MathML';
var SVG_NAMESPACE = 'http://www.w3.org/2000/svg';
var Namespaces = {
html: HTML_NAMESPACE$1,
mathml: MATH_NAMESPACE,
svg: SVG_NAMESPACE
};
// Assumes there is no parent namespace.
function getIntrinsicNamespace(type) {
switch (type) {
case 'svg':
return SVG_NAMESPACE;
case 'math':
return MATH_NAMESPACE;
default:
return HTML_NAMESPACE$1;
}
}
function getChildNamespace(parentNamespace, type) {
if (parentNamespace == null || parentNamespace === HTML_NAMESPACE$1) {
// No (or default) parent namespace: potential entry point.
return getIntrinsicNamespace(type);
}
if (parentNamespace === SVG_NAMESPACE && type === 'foreignObject') {
// We're leaving SVG.
return HTML_NAMESPACE$1;
}
// By default, pass namespace below.
return parentNamespace;
}
/* globals MSApp */
/**
* Create a function which has 'unsafe' privileges (required by windows8 apps)
*/
var createMicrosoftUnsafeLocalFunction = function (func) {
if (typeof MSApp !== 'undefined' && MSApp.execUnsafeLocalFunction) {
return function (arg0, arg1, arg2, arg3) {
MSApp.execUnsafeLocalFunction(function () {
return func(arg0, arg1, arg2, arg3);
});
};
} else {
return func;
}
};
// SVG temp container for IE lacking innerHTML
var reusableSVGContainer = void 0;
/**
* Set the innerHTML property of a node
*
* @param {DOMElement} node
* @param {string} html
* @internal
*/
var setInnerHTML = createMicrosoftUnsafeLocalFunction(function (node, html) {
// IE does not have innerHTML for SVG nodes, so instead we inject the
// new markup in a temp node and then move the child nodes across into
// the target node
if (node.namespaceURI === Namespaces.svg && !('innerHTML' in node)) {
reusableSVGContainer = reusableSVGContainer || document.createElementNS('http://www.w3.org/1999/xhtml', 'div');
reusableSVGContainer.innerHTML = '<svg>' + html + '</svg>';
var svgNode = reusableSVGContainer.firstChild;
while (node.firstChild) {
node.removeChild(node.firstChild);
}
while (svgNode.firstChild) {
node.appendChild(svgNode.firstChild);
}
} else {
node.innerHTML = html;
}
});
/**
* Set the textContent property of a node. For text updates, it's faster
* to set the `nodeValue` of the Text node directly instead of using
* `.textContent` which will remove the existing node and create a new one.
*
* @param {DOMElement} node
* @param {string} text
* @internal
*/
var setTextContent = function (node, text) {
if (text) {
var firstChild = node.firstChild;
if (firstChild && firstChild === node.lastChild && firstChild.nodeType === TEXT_NODE) {
firstChild.nodeValue = text;
return;
}
}
node.textContent = text;
};
// List derived from Gecko source code:
// https://github.com/mozilla/gecko-dev/blob/4e638efc71/layout/style/test/property_database.js
/**
* CSS properties which accept numbers but are not in units of "px".
*/
var isUnitlessNumber = {
animationIterationCount: true,
borderImageOutset: true,
borderImageSlice: true,
borderImageWidth: true,
boxFlex: true,
boxFlexGroup: true,
boxOrdinalGroup: true,
columnCount: true,
columns: true,
flex: true,
flexGrow: true,
flexPositive: true,
flexShrink: true,
flexNegative: true,
flexOrder: true,
gridArea: true,
gridRow: true,
gridRowEnd: true,
gridRowSpan: true,
gridRowStart: true,
gridColumn: true,
gridColumnEnd: true,
gridColumnSpan: true,
gridColumnStart: true,
fontWeight: true,
lineClamp: true,
lineHeight: true,
opacity: true,
order: true,
orphans: true,
tabSize: true,
widows: true,
zIndex: true,
zoom: true,
// SVG-related properties
fillOpacity: true,
floodOpacity: true,
stopOpacity: true,
strokeDasharray: true,
strokeDashoffset: true,
strokeMiterlimit: true,
strokeOpacity: true,
strokeWidth: true
};
/**
* @param {string} prefix vendor-specific prefix, eg: Webkit
* @param {string} key style name, eg: transitionDuration
* @return {string} style name prefixed with `prefix`, properly camelCased, eg:
* WebkitTransitionDuration
*/
function prefixKey(prefix, key) {
return prefix + key.charAt(0).toUpperCase() + key.substring(1);
}
/**
* Support style names that may come passed in prefixed by adding permutations
* of vendor prefixes.
*/
var prefixes = ['Webkit', 'ms', 'Moz', 'O'];
// Using Object.keys here, or else the vanilla for-in loop makes IE8 go into an
// infinite loop, because it iterates over the newly added props too.
Object.keys(isUnitlessNumber).forEach(function (prop) {
prefixes.forEach(function (prefix) {
isUnitlessNumber[prefixKey(prefix, prop)] = isUnitlessNumber[prop];
});
});
/**
* Convert a value into the proper css writable value. The style name `name`
* should be logical (no hyphens), as specified
* in `CSSProperty.isUnitlessNumber`.
*
* @param {string} name CSS property name such as `topMargin`.
* @param {*} value CSS property value such as `10px`.
* @return {string} Normalized style value with dimensions applied.
*/
function dangerousStyleValue(name, value, isCustomProperty) {
// Note that we've removed escapeTextForBrowser() calls here since the
// whole string will be escaped when the attribute is injected into
// the markup. If you provide unsafe user data here they can inject
// arbitrary CSS which may be problematic (I couldn't repro this):
// https://www.owasp.org/index.php/XSS_Filter_Evasion_Cheat_Sheet
// http://www.thespanner.co.uk/2007/11/26/ultimate-xss-css-injection/
// This is not an XSS hole but instead a potential CSS injection issue
// which has lead to a greater discussion about how we're going to
// trust URLs moving forward. See #2115901
var isEmpty = value == null || typeof value === 'boolean' || value === '';
if (isEmpty) {
return '';
}
if (!isCustomProperty && typeof value === 'number' && value !== 0 && !(isUnitlessNumber.hasOwnProperty(name) && isUnitlessNumber[name])) {
return value + 'px'; // Presumes implicit 'px' suffix for unitless numbers
}
return ('' + value).trim();
}
/**
* Operations for dealing with CSS properties.
*/
/**
* This creates a string that is expected to be equivalent to the style
* attribute generated by server-side rendering. It by-passes warnings and
* security checks so it's not safe to use this value for anything other than
* comparison. It is only used in DEV for SSR validation.
*/
/**
* Sets the value for multiple styles on a node. If a value is specified as
* '' (empty string), the corresponding style property will be unset.
*
* @param {DOMElement} node
* @param {object} styles
*/
function setValueForStyles(node, styles) {
var style = node.style;
for (var styleName in styles) {
if (!styles.hasOwnProperty(styleName)) {
continue;
}
var isCustomProperty = styleName.indexOf('--') === 0;
var styleValue = dangerousStyleValue(styleName, styles[styleName], isCustomProperty);
if (styleName === 'float') {
styleName = 'cssFloat';
}
if (isCustomProperty) {
style.setProperty(styleName, styleValue);
} else {
style[styleName] = styleValue;
}
}
}
/**
* When mixing shorthand and longhand property names, we warn during updates if
* we expect an incorrect result to occur. In particular, we warn for:
*
* Updating a shorthand property (longhand gets overwritten):
* {font: 'foo', fontVariant: 'bar'} -> {font: 'baz', fontVariant: 'bar'}
* becomes .style.font = 'baz'
* Removing a shorthand property (longhand gets lost too):
* {font: 'foo', fontVariant: 'bar'} -> {fontVariant: 'bar'}
* becomes .style.font = ''
* Removing a longhand property (should revert to shorthand; doesn't):
* {font: 'foo', fontVariant: 'bar'} -> {font: 'foo'}
* becomes .style.fontVariant = ''
*/
// For HTML, certain tags should omit their close tag. We keep a whitelist for
// those special-case tags.
var omittedCloseTags = {
area: true,
base: true,
br: true,
col: true,
embed: true,
hr: true,
img: true,
input: true,
keygen: true,
link: true,
meta: true,
param: true,
source: true,
track: true,
wbr: true
// NOTE: menuitem's close tag should be omitted, but that causes problems.
};
// For HTML, certain tags cannot have children. This has the same purpose as
// `omittedCloseTags` except that `menuitem` should still have its closing tag.
var voidElementTags = _assign({
menuitem: true
}, omittedCloseTags);
// TODO: We can remove this if we add invariantWithStack()
// or add stack by default to invariants where possible.
var HTML$1 = '__html';
function assertValidProps(tag, props) {
if (!props) {
return;
}
// Note the use of `==` which checks for null or undefined.
if (voidElementTags[tag]) {
!(props.children == null && props.dangerouslySetInnerHTML == null) ? reactProdInvariant('137', tag, '') : void 0;
}
if (props.dangerouslySetInnerHTML != null) {
!(props.children == null) ? reactProdInvariant('60') : void 0;
!(typeof props.dangerouslySetInnerHTML === 'object' && HTML$1 in props.dangerouslySetInnerHTML) ? reactProdInvariant('61') : void 0;
}
!(props.style == null || typeof props.style === 'object') ? reactProdInvariant('62', '') : void 0;
}
function isCustomComponent(tagName, props) {
if (tagName.indexOf('-') === -1) {
return typeof props.is === 'string';
}
switch (tagName) {
// These are reserved SVG and MathML elements.
// We don't mind this whitelist too much because we expect it to never grow.
// The alternative is to track the namespace in a few places which is convoluted.
// https://w3c.github.io/webcomponents/spec/custom/#custom-elements-core-concepts
case 'annotation-xml':
case 'color-profile':
case 'font-face':
case 'font-face-src':
case 'font-face-uri':
case 'font-face-format':
case 'font-face-name':
case 'missing-glyph':
return false;
default:
return true;
}
}
// When adding attributes to the HTML or SVG whitelist, be sure to
// also add them to this module to ensure casing and incorrect name
// warnings.
// TODO: direct imports like some-package/src/* are bad. Fix me.
var DANGEROUSLY_SET_INNER_HTML = 'dangerouslySetInnerHTML';
var SUPPRESS_CONTENT_EDITABLE_WARNING = 'suppressContentEditableWarning';
var SUPPRESS_HYDRATION_WARNING$1 = 'suppressHydrationWarning';
var AUTOFOCUS = 'autoFocus';
var CHILDREN = 'children';
var STYLE$1 = 'style';
var HTML = '__html';
var HTML_NAMESPACE = Namespaces.html;
function ensureListeningTo(rootContainerElement, registrationName) {
var isDocumentOrFragment = rootContainerElement.nodeType === DOCUMENT_NODE || rootContainerElement.nodeType === DOCUMENT_FRAGMENT_NODE;
var doc = isDocumentOrFragment ? rootContainerElement : rootContainerElement.ownerDocument;
listenTo(registrationName, doc);
}
function getOwnerDocumentFromRootContainer(rootContainerElement) {
return rootContainerElement.nodeType === DOCUMENT_NODE ? rootContainerElement : rootContainerElement.ownerDocument;
}
function noop() {}
function trapClickOnNonInteractiveElement(node) {
// Mobile Safari does not fire properly bubble click events on
// non-interactive elements, which means delegated click listeners do not
// fire. The workaround for this bug involves attaching an empty click
// listener on the target node.
// http://www.quirksmode.org/blog/archives/2010/09/click_event_del.html
// Just set it using the onclick property so that we don't have to manage any
// bookkeeping for it. Not sure if we need to clear it when the listener is
// removed.
// TODO: Only do this for the relevant Safaris maybe?
node.onclick = noop;
}
function setInitialDOMProperties(tag, domElement, rootContainerElement, nextProps, isCustomComponentTag) {
for (var propKey in nextProps) {
if (!nextProps.hasOwnProperty(propKey)) {
continue;
}
var nextProp = nextProps[propKey];
if (propKey === STYLE$1) {
setValueForStyles(domElement, nextProp);
} else if (propKey === DANGEROUSLY_SET_INNER_HTML) {
var nextHtml = nextProp ? nextProp[HTML] : undefined;
if (nextHtml != null) {
setInnerHTML(domElement, nextHtml);
}
} else if (propKey === CHILDREN) {
if (typeof nextProp === 'string') {
// Avoid setting initial textContent when the text is empty. In IE11 setting
// textContent on a <textarea> will cause the placeholder to not
// show within the <textarea> until it has been focused and blurred again.
// https://github.com/facebook/react/issues/6731#issuecomment-254874553
var canSetTextContent = tag !== 'textarea' || nextProp !== '';
if (canSetTextContent) {
setTextContent(domElement, nextProp);
}
} else if (typeof nextProp === 'number') {
setTextContent(domElement, '' + nextProp);
}
} else if (propKey === SUPPRESS_CONTENT_EDITABLE_WARNING || propKey === SUPPRESS_HYDRATION_WARNING$1) {
// Noop
} else if (propKey === AUTOFOCUS) {
// We polyfill it separately on the client during commit.
// We could have excluded it in the property list instead of
// adding a special case here, but then it wouldn't be emitted
// on server rendering (but we *do* want to emit it in SSR).
} else if (registrationNameModules.hasOwnProperty(propKey)) {
if (nextProp != null) {
ensureListeningTo(rootContainerElement, propKey);
}
} else if (nextProp != null) {
setValueForProperty(domElement, propKey, nextProp, isCustomComponentTag);
}
}
}
function updateDOMProperties(domElement, updatePayload, wasCustomComponentTag, isCustomComponentTag) {
// TODO: Handle wasCustomComponentTag
for (var i = 0; i < updatePayload.length; i += 2) {
var propKey = updatePayload[i];
var propValue = updatePayload[i + 1];
if (propKey === STYLE$1) {
setValueForStyles(domElement, propValue);
} else if (propKey === DANGEROUSLY_SET_INNER_HTML) {
setInnerHTML(domElement, propValue);
} else if (propKey === CHILDREN) {
setTextContent(domElement, propValue);
} else {
setValueForProperty(domElement, propKey, propValue, isCustomComponentTag);
}
}
}
function createElement(type, props, rootContainerElement, parentNamespace) {
var ownerDocument = getOwnerDocumentFromRootContainer(rootContainerElement);
var domElement = void 0;
var namespaceURI = parentNamespace;
if (namespaceURI === HTML_NAMESPACE) {
namespaceURI = getIntrinsicNamespace(type);
}
if (namespaceURI === HTML_NAMESPACE) {
if (type === 'script') {
// Create the script via .innerHTML so its "parser-inserted" flag is
// set to true and it does not execute
var div = ownerDocument.createElementNS('http://www.w3.org/1999/xhtml', 'div');
div.innerHTML = '<script><' + '/script>'; // eslint-disable-line
// This is guaranteed to yield a script element.
var firstChild = div.firstChild;
domElement = div.removeChild(firstChild);
} else if (typeof props.is === 'string') {
// $FlowIssue `createElement` should be updated for Web Components
domElement = ownerDocument.createElementNS('http://www.w3.org/1999/xhtml', type, { is: props.is });
} else {
// Separate else branch instead of using `props.is || undefined` above because of a Firefox bug.
// See discussion in https://github.com/facebook/react/pull/6896
// and discussion in https://bugzilla.mozilla.org/show_bug.cgi?id=1276240
domElement = ownerDocument.createElementNS('http://www.w3.org/1999/xhtml', type);
// Normally attributes are assigned in `setInitialDOMProperties`, however the `multiple` and `size`
// attributes on `select`s needs to be added before `option`s are inserted.
// This prevents:
// - a bug where the `select` does not scroll to the correct option because singular
// `select` elements automatically pick the first item #13222
// - a bug where the `select` set the first item as selected despite the `size` attribute #14239
// See https://github.com/facebook/react/issues/13222
// and https://github.com/facebook/react/issues/14239
if (type === 'select') {
var node = domElement;
if (props.multiple) {
node.multiple = true;
} else if (props.size) {
// Setting a size greater than 1 causes a select to behave like `multiple=true`, where
// it is possible that no option is selected.
//
// This is only necessary when a select in "single selection mode".
node.size = props.size;
}
}
}
} else {
domElement = ownerDocument.createElementNS(namespaceURI, type);
}
return domElement;
}
function createTextNode(text, rootContainerElement) {
return getOwnerDocumentFromRootContainer(rootContainerElement).createTextNode(text);
}
function setInitialProperties(domElement, tag, rawProps, rootContainerElement) {
var isCustomComponentTag = isCustomComponent(tag, rawProps);
var props = void 0;
switch (tag) {
case 'iframe':
case 'object':
trapBubbledEvent(TOP_LOAD, domElement);
props = rawProps;
break;
case 'video':
case 'audio':
// Create listener for each media event
for (var i = 0; i < mediaEventTypes.length; i++) {
trapBubbledEvent(mediaEventTypes[i], domElement);
}
props = rawProps;
break;
case 'source':
trapBubbledEvent(TOP_ERROR, domElement);
props = rawProps;
break;
case 'img':
case 'image':
case 'link':
trapBubbledEvent(TOP_ERROR, domElement);
trapBubbledEvent(TOP_LOAD, domElement);
props = rawProps;
break;
case 'form':
trapBubbledEvent(TOP_RESET, domElement);
trapBubbledEvent(TOP_SUBMIT, domElement);
props = rawProps;
break;
case 'details':
trapBubbledEvent(TOP_TOGGLE, domElement);
props = rawProps;
break;
case 'input':
initWrapperState(domElement, rawProps);
props = getHostProps(domElement, rawProps);
trapBubbledEvent(TOP_INVALID, domElement);
// For controlled components we always need to ensure we're listening
// to onChange. Even if there is no listener.
ensureListeningTo(rootContainerElement, 'onChange');
break;
case 'option':
props = getHostProps$1(domElement, rawProps);
break;
case 'select':
initWrapperState$1(domElement, rawProps);
props = getHostProps$2(domElement, rawProps);
trapBubbledEvent(TOP_INVALID, domElement);
// For controlled components we always need to ensure we're listening
// to onChange. Even if there is no listener.
ensureListeningTo(rootContainerElement, 'onChange');
break;
case 'textarea':
initWrapperState$2(domElement, rawProps);
props = getHostProps$3(domElement, rawProps);
trapBubbledEvent(TOP_INVALID, domElement);
// For controlled components we always need to ensure we're listening
// to onChange. Even if there is no listener.
ensureListeningTo(rootContainerElement, 'onChange');
break;
default:
props = rawProps;
}
assertValidProps(tag, props);
setInitialDOMProperties(tag, domElement, rootContainerElement, props, isCustomComponentTag);
switch (tag) {
case 'input':
// TODO: Make sure we check if this is still unmounted or do any clean
// up necessary since we never stop tracking anymore.
track(domElement);
postMountWrapper(domElement, rawProps, false);
break;
case 'textarea':
// TODO: Make sure we check if this is still unmounted or do any clean
// up necessary since we never stop tracking anymore.
track(domElement);
postMountWrapper$3(domElement, rawProps);
break;
case 'option':
postMountWrapper$1(domElement, rawProps);
break;
case 'select':
postMountWrapper$2(domElement, rawProps);
break;
default:
if (typeof props.onClick === 'function') {
// TODO: This cast may not be sound for SVG, MathML or custom elements.
trapClickOnNonInteractiveElement(domElement);
}
break;
}
}
// Calculate the diff between the two objects.
function diffProperties(domElement, tag, lastRawProps, nextRawProps, rootContainerElement) {
var updatePayload = null;
var lastProps = void 0;
var nextProps = void 0;
switch (tag) {
case 'input':
lastProps = getHostProps(domElement, lastRawProps);
nextProps = getHostProps(domElement, nextRawProps);
updatePayload = [];
break;
case 'option':
lastProps = getHostProps$1(domElement, lastRawProps);
nextProps = getHostProps$1(domElement, nextRawProps);
updatePayload = [];
break;
case 'select':
lastProps = getHostProps$2(domElement, lastRawProps);
nextProps = getHostProps$2(domElement, nextRawProps);
updatePayload = [];
break;
case 'textarea':
lastProps = getHostProps$3(domElement, lastRawProps);
nextProps = getHostProps$3(domElement, nextRawProps);
updatePayload = [];
break;
default:
lastProps = lastRawProps;
nextProps = nextRawProps;
if (typeof lastProps.onClick !== 'function' && typeof nextProps.onClick === 'function') {
// TODO: This cast may not be sound for SVG, MathML or custom elements.
trapClickOnNonInteractiveElement(domElement);
}
break;
}
assertValidProps(tag, nextProps);
var propKey = void 0;
var styleName = void 0;
var styleUpdates = null;
for (propKey in lastProps) {
if (nextProps.hasOwnProperty(propKey) || !lastProps.hasOwnProperty(propKey) || lastProps[propKey] == null) {
continue;
}
if (propKey === STYLE$1) {
var lastStyle = lastProps[propKey];
for (styleName in lastStyle) {
if (lastStyle.hasOwnProperty(styleName)) {
if (!styleUpdates) {
styleUpdates = {};
}
styleUpdates[styleName] = '';
}
}
} else if (propKey === DANGEROUSLY_SET_INNER_HTML || propKey === CHILDREN) {
// Noop. This is handled by the clear text mechanism.
} else if (propKey === SUPPRESS_CONTENT_EDITABLE_WARNING || propKey === SUPPRESS_HYDRATION_WARNING$1) {
// Noop
} else if (propKey === AUTOFOCUS) {
// Noop. It doesn't work on updates anyway.
} else if (registrationNameModules.hasOwnProperty(propKey)) {
// This is a special case. If any listener updates we need to ensure
// that the "current" fiber pointer gets updated so we need a commit
// to update this element.
if (!updatePayload) {
updatePayload = [];
}
} else {
// For all other deleted properties we add it to the queue. We use
// the whitelist in the commit phase instead.
(updatePayload = updatePayload || []).push(propKey, null);
}
}
for (propKey in nextProps) {
var nextProp = nextProps[propKey];
var lastProp = lastProps != null ? lastProps[propKey] : undefined;
if (!nextProps.hasOwnProperty(propKey) || nextProp === lastProp || nextProp == null && lastProp == null) {
continue;
}
if (propKey === STYLE$1) {
if (lastProp) {
// Unset styles on `lastProp` but not on `nextProp`.
for (styleName in lastProp) {
if (lastProp.hasOwnProperty(styleName) && (!nextProp || !nextProp.hasOwnProperty(styleName))) {
if (!styleUpdates) {
styleUpdates = {};
}
styleUpdates[styleName] = '';
}
}
// Update styles that changed since `lastProp`.
for (styleName in nextProp) {
if (nextProp.hasOwnProperty(styleName) && lastProp[styleName] !== nextProp[styleName]) {
if (!styleUpdates) {
styleUpdates = {};
}
styleUpdates[styleName] = nextProp[styleName];
}
}
} else {
// Relies on `updateStylesByID` not mutating `styleUpdates`.
if (!styleUpdates) {
if (!updatePayload) {
updatePayload = [];
}
updatePayload.push(propKey, styleUpdates);
}
styleUpdates = nextProp;
}
} else if (propKey === DANGEROUSLY_SET_INNER_HTML) {
var nextHtml = nextProp ? nextProp[HTML] : undefined;
var lastHtml = lastProp ? lastProp[HTML] : undefined;
if (nextHtml != null) {
if (lastHtml !== nextHtml) {
(updatePayload = updatePayload || []).push(propKey, '' + nextHtml);
}
} else {
// TODO: It might be too late to clear this if we have children
// inserted already.
}
} else if (propKey === CHILDREN) {
if (lastProp !== nextProp && (typeof nextProp === 'string' || typeof nextProp === 'number')) {
(updatePayload = updatePayload || []).push(propKey, '' + nextProp);
}
} else if (propKey === SUPPRESS_CONTENT_EDITABLE_WARNING || propKey === SUPPRESS_HYDRATION_WARNING$1) {
// Noop
} else if (registrationNameModules.hasOwnProperty(propKey)) {
if (nextProp != null) {
// We eagerly listen to this even though we haven't committed yet.
ensureListeningTo(rootContainerElement, propKey);
}
if (!updatePayload && lastProp !== nextProp) {
// This is a special case. If any listener updates we need to ensure
// that the "current" props pointer gets updated so we need a commit
// to update this element.
updatePayload = [];
}
} else {
// For any other property we always add it to the queue and then we
// filter it out using the whitelist during the commit.
(updatePayload = updatePayload || []).push(propKey, nextProp);
}
}
if (styleUpdates) {
(updatePayload = updatePayload || []).push(STYLE$1, styleUpdates);
}
return updatePayload;
}
// Apply the diff.
function updateProperties(domElement, updatePayload, tag, lastRawProps, nextRawProps) {
// Update checked *before* name.
// In the middle of an update, it is possible to have multiple checked.
// When a checked radio tries to change name, browser makes another radio's checked false.
if (tag === 'input' && nextRawProps.type === 'radio' && nextRawProps.name != null) {
updateChecked(domElement, nextRawProps);
}
var wasCustomComponentTag = isCustomComponent(tag, lastRawProps);
var isCustomComponentTag = isCustomComponent(tag, nextRawProps);
// Apply the diff.
updateDOMProperties(domElement, updatePayload, wasCustomComponentTag, isCustomComponentTag);
// TODO: Ensure that an update gets scheduled if any of the special props
// changed.
switch (tag) {
case 'input':
// Update the wrapper around inputs *after* updating props. This has to
// happen after `updateDOMProperties`. Otherwise HTML5 input validations
// raise warnings and prevent the new value from being assigned.
updateWrapper(domElement, nextRawProps);
break;
case 'textarea':
updateWrapper$1(domElement, nextRawProps);
break;
case 'select':
// <select> value update needs to occur after <option> children
// reconciliation
postUpdateWrapper(domElement, nextRawProps);
break;
}
}
function diffHydratedProperties(domElement, tag, rawProps, parentNamespace, rootContainerElement) {
var isCustomComponentTag = void 0;
switch (tag) {
case 'iframe':
case 'object':
trapBubbledEvent(TOP_LOAD, domElement);
break;
case 'video':
case 'audio':
// Create listener for each media event
for (var i = 0; i < mediaEventTypes.length; i++) {
trapBubbledEvent(mediaEventTypes[i], domElement);
}
break;
case 'source':
trapBubbledEvent(TOP_ERROR, domElement);
break;
case 'img':
case 'image':
case 'link':
trapBubbledEvent(TOP_ERROR, domElement);
trapBubbledEvent(TOP_LOAD, domElement);
break;
case 'form':
trapBubbledEvent(TOP_RESET, domElement);
trapBubbledEvent(TOP_SUBMIT, domElement);
break;
case 'details':
trapBubbledEvent(TOP_TOGGLE, domElement);
break;
case 'input':
initWrapperState(domElement, rawProps);
trapBubbledEvent(TOP_INVALID, domElement);
// For controlled components we always need to ensure we're listening
// to onChange. Even if there is no listener.
ensureListeningTo(rootContainerElement, 'onChange');
break;
case 'option':
break;
case 'select':
initWrapperState$1(domElement, rawProps);
trapBubbledEvent(TOP_INVALID, domElement);
// For controlled components we always need to ensure we're listening
// to onChange. Even if there is no listener.
ensureListeningTo(rootContainerElement, 'onChange');
break;
case 'textarea':
initWrapperState$2(domElement, rawProps);
trapBubbledEvent(TOP_INVALID, domElement);
// For controlled components we always need to ensure we're listening
// to onChange. Even if there is no listener.
ensureListeningTo(rootContainerElement, 'onChange');
break;
}
assertValidProps(tag, rawProps);
var updatePayload = null;
for (var propKey in rawProps) {
if (!rawProps.hasOwnProperty(propKey)) {
continue;
}
var nextProp = rawProps[propKey];
if (propKey === CHILDREN) {
// For text content children we compare against textContent. This
// might match additional HTML that is hidden when we read it using
// textContent. E.g. "foo" will match "f<span>oo</span>" but that still
// satisfies our requirement. Our requirement is not to produce perfect
// HTML and attributes. Ideally we should preserve structure but it's
// ok not to if the visible content is still enough to indicate what
// even listeners these nodes might be wired up to.
// TODO: Warn if there is more than a single textNode as a child.
// TODO: Should we use domElement.firstChild.nodeValue to compare?
if (typeof nextProp === 'string') {
if (domElement.textContent !== nextProp) {
updatePayload = [CHILDREN, nextProp];
}
} else if (typeof nextProp === 'number') {
if (domElement.textContent !== '' + nextProp) {
updatePayload = [CHILDREN, '' + nextProp];
}
}
} else if (registrationNameModules.hasOwnProperty(propKey)) {
if (nextProp != null) {
ensureListeningTo(rootContainerElement, propKey);
}
} else {}
}
switch (tag) {
case 'input':
// TODO: Make sure we check if this is still unmounted or do any clean
// up necessary since we never stop tracking anymore.
track(domElement);
postMountWrapper(domElement, rawProps, true);
break;
case 'textarea':
// TODO: Make sure we check if this is still unmounted or do any clean
// up necessary since we never stop tracking anymore.
track(domElement);
postMountWrapper$3(domElement, rawProps);
break;
case 'select':
case 'option':
// For input and textarea we current always set the value property at
// post mount to force it to diverge from attributes. However, for
// option and select we don't quite do the same thing and select
// is not resilient to the DOM state changing so we don't do that here.
// TODO: Consider not doing this for input and textarea.
break;
default:
if (typeof rawProps.onClick === 'function') {
// TODO: This cast may not be sound for SVG, MathML or custom elements.
trapClickOnNonInteractiveElement(domElement);
}
break;
}
return updatePayload;
}
function diffHydratedText(textNode, text) {
var isDifferent = textNode.nodeValue !== text;
return isDifferent;
}
function restoreControlledState$1(domElement, tag, props) {
switch (tag) {
case 'input':
restoreControlledState(domElement, props);
return;
case 'textarea':
restoreControlledState$3(domElement, props);
return;
case 'select':
restoreControlledState$2(domElement, props);
return;
}
}
// TODO: direct imports like some-package/src/* are bad. Fix me.
var ReactInternals$1 = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;
var _ReactInternals$Sched = ReactInternals$1.Scheduler;
var unstable_cancelCallback = _ReactInternals$Sched.unstable_cancelCallback;
var unstable_now = _ReactInternals$Sched.unstable_now;
var unstable_scheduleCallback = _ReactInternals$Sched.unstable_scheduleCallback;
var unstable_shouldYield = _ReactInternals$Sched.unstable_shouldYield;
var unstable_getFirstCallbackNode = _ReactInternals$Sched.unstable_getFirstCallbackNode;
var unstable_runWithPriority = _ReactInternals$Sched.unstable_runWithPriority;
var unstable_next = _ReactInternals$Sched.unstable_next;
var unstable_continueExecution = _ReactInternals$Sched.unstable_continueExecution;
var unstable_pauseExecution = _ReactInternals$Sched.unstable_pauseExecution;
var unstable_getCurrentPriorityLevel = _ReactInternals$Sched.unstable_getCurrentPriorityLevel;
var unstable_ImmediatePriority = _ReactInternals$Sched.unstable_ImmediatePriority;
var unstable_UserBlockingPriority = _ReactInternals$Sched.unstable_UserBlockingPriority;
var unstable_NormalPriority = _ReactInternals$Sched.unstable_NormalPriority;
var unstable_LowPriority = _ReactInternals$Sched.unstable_LowPriority;
var unstable_IdlePriority = _ReactInternals$Sched.unstable_IdlePriority;
// Renderers that don't support persistence
// can re-export everything from this module.
function shim() {
reactProdInvariant('270');
}
// Persistence (when unsupported)
var supportsPersistence = false;
var cloneInstance = shim;
var createContainerChildSet = shim;
var appendChildToContainerChildSet = shim;
var finalizeContainerChildren = shim;
var replaceContainerChildren = shim;
var cloneHiddenInstance = shim;
var cloneUnhiddenInstance = shim;
var createHiddenTextInstance = shim;
var SUSPENSE_START_DATA = '$';
var SUSPENSE_END_DATA = '/$';
var STYLE = 'style';
var eventsEnabled = null;
var selectionInformation = null;
function shouldAutoFocusHostComponent(type, props) {
switch (type) {
case 'button':
case 'input':
case 'select':
case 'textarea':
return !!props.autoFocus;
}
return false;
}
function getRootHostContext(rootContainerInstance) {
var type = void 0;
var namespace = void 0;
var nodeType = rootContainerInstance.nodeType;
switch (nodeType) {
case DOCUMENT_NODE:
case DOCUMENT_FRAGMENT_NODE:
{
type = nodeType === DOCUMENT_NODE ? '#document' : '#fragment';
var root = rootContainerInstance.documentElement;
namespace = root ? root.namespaceURI : getChildNamespace(null, '');
break;
}
default:
{
var container = nodeType === COMMENT_NODE ? rootContainerInstance.parentNode : rootContainerInstance;
var ownNamespace = container.namespaceURI || null;
type = container.tagName;
namespace = getChildNamespace(ownNamespace, type);
break;
}
}
return namespace;
}
function getChildHostContext(parentHostContext, type, rootContainerInstance) {
var parentNamespace = parentHostContext;
return getChildNamespace(parentNamespace, type);
}
function getPublicInstance(instance) {
return instance;
}
function prepareForCommit(containerInfo) {
eventsEnabled = isEnabled();
selectionInformation = getSelectionInformation();
setEnabled(false);
}
function resetAfterCommit(containerInfo) {
restoreSelection(selectionInformation);
selectionInformation = null;
setEnabled(eventsEnabled);
eventsEnabled = null;
}
function createInstance(type, props, rootContainerInstance, hostContext, internalInstanceHandle) {
var parentNamespace = void 0;
{
parentNamespace = hostContext;
}
var domElement = createElement(type, props, rootContainerInstance, parentNamespace);
precacheFiberNode(internalInstanceHandle, domElement);
updateFiberProps(domElement, props);
return domElement;
}
function appendInitialChild(parentInstance, child) {
parentInstance.appendChild(child);
}
function finalizeInitialChildren(domElement, type, props, rootContainerInstance, hostContext) {
setInitialProperties(domElement, type, props, rootContainerInstance);
return shouldAutoFocusHostComponent(type, props);
}
function prepareUpdate(domElement, type, oldProps, newProps, rootContainerInstance, hostContext) {
return diffProperties(domElement, type, oldProps, newProps, rootContainerInstance);
}
function shouldSetTextContent(type, props) {
return type === 'textarea' || type === 'option' || type === 'noscript' || typeof props.children === 'string' || typeof props.children === 'number' || typeof props.dangerouslySetInnerHTML === 'object' && props.dangerouslySetInnerHTML !== null && props.dangerouslySetInnerHTML.__html != null;
}
function shouldDeprioritizeSubtree(type, props) {
return !!props.hidden;
}
function createTextInstance(text, rootContainerInstance, hostContext, internalInstanceHandle) {
var textNode = createTextNode(text, rootContainerInstance);
precacheFiberNode(internalInstanceHandle, textNode);
return textNode;
}
var isPrimaryRenderer = true;
// This initialization code may run even on server environments
// if a component just imports ReactDOM (e.g. for findDOMNode).
// Some environments might not have setTimeout or clearTimeout.
var scheduleTimeout = typeof setTimeout === 'function' ? setTimeout : undefined;
var cancelTimeout = typeof clearTimeout === 'function' ? clearTimeout : undefined;
var noTimeout = -1;
var schedulePassiveEffects = unstable_scheduleCallback;
var cancelPassiveEffects = unstable_cancelCallback;
// -------------------
// Mutation
// -------------------
var supportsMutation = true;
function commitMount(domElement, type, newProps, internalInstanceHandle) {
// Despite the naming that might imply otherwise, this method only
// fires if there is an `Update` effect scheduled during mounting.
// This happens if `finalizeInitialChildren` returns `true` (which it
// does to implement the `autoFocus` attribute on the client). But
// there are also other cases when this might happen (such as patching
// up text content during hydration mismatch). So we'll check this again.
if (shouldAutoFocusHostComponent(type, newProps)) {
domElement.focus();
}
}
function commitUpdate(domElement, updatePayload, type, oldProps, newProps, internalInstanceHandle) {
// Update the props handle so that we know which props are the ones with
// with current event handlers.
updateFiberProps(domElement, newProps);
// Apply the diff to the DOM node.
updateProperties(domElement, updatePayload, type, oldProps, newProps);
}
function resetTextContent(domElement) {
setTextContent(domElement, '');
}
function commitTextUpdate(textInstance, oldText, newText) {
textInstance.nodeValue = newText;
}
function appendChild(parentInstance, child) {
parentInstance.appendChild(child);
}
function appendChildToContainer(container, child) {
var parentNode = void 0;
if (container.nodeType === COMMENT_NODE) {
parentNode = container.parentNode;
parentNode.insertBefore(child, container);
} else {
parentNode = container;
parentNode.appendChild(child);
}
// This container might be used for a portal.
// If something inside a portal is clicked, that click should bubble
// through the React tree. However, on Mobile Safari the click would
// never bubble through the *DOM* tree unless an ancestor with onclick
// event exists. So we wouldn't see it and dispatch it.
// This is why we ensure that non React root containers have inline onclick
// defined.
// https://github.com/facebook/react/issues/11918
var reactRootContainer = container._reactRootContainer;
if ((reactRootContainer === null || reactRootContainer === undefined) && parentNode.onclick === null) {
// TODO: This cast may not be sound for SVG, MathML or custom elements.
trapClickOnNonInteractiveElement(parentNode);
}
}
function insertBefore(parentInstance, child, beforeChild) {
parentInstance.insertBefore(child, beforeChild);
}
function insertInContainerBefore(container, child, beforeChild) {
if (container.nodeType === COMMENT_NODE) {
container.parentNode.insertBefore(child, beforeChild);
} else {
container.insertBefore(child, beforeChild);
}
}
function removeChild(parentInstance, child) {
parentInstance.removeChild(child);
}
function removeChildFromContainer(container, child) {
if (container.nodeType === COMMENT_NODE) {
container.parentNode.removeChild(child);
} else {
container.removeChild(child);
}
}
function clearSuspenseBoundary(parentInstance, suspenseInstance) {
var node = suspenseInstance;
// Delete all nodes within this suspense boundary.
// There might be nested nodes so we need to keep track of how
// deep we are and only break out when we're back on top.
var depth = 0;
do {
var nextNode = node.nextSibling;
parentInstance.removeChild(node);
if (nextNode && nextNode.nodeType === COMMENT_NODE) {
var data = nextNode.data;
if (data === SUSPENSE_END_DATA) {
if (depth === 0) {
parentInstance.removeChild(nextNode);
return;
} else {
depth--;
}
} else if (data === SUSPENSE_START_DATA) {
depth++;
}
}
node = nextNode;
} while (node);
// TODO: Warn, we didn't find the end comment boundary.
}
function clearSuspenseBoundaryFromContainer(container, suspenseInstance) {
if (container.nodeType === COMMENT_NODE) {
clearSuspenseBoundary(container.parentNode, suspenseInstance);
} else if (container.nodeType === ELEMENT_NODE) {
clearSuspenseBoundary(container, suspenseInstance);
} else {
// Document nodes should never contain suspense boundaries.
}
}
function hideInstance(instance) {
// TODO: Does this work for all element types? What about MathML? Should we
// pass host context to this method?
instance = instance;
instance.style.display = 'none';
}
function hideTextInstance(textInstance) {
textInstance.nodeValue = '';
}
function unhideInstance(instance, props) {
instance = instance;
var styleProp = props[STYLE];
var display = styleProp !== undefined && styleProp !== null && styleProp.hasOwnProperty('display') ? styleProp.display : null;
instance.style.display = dangerousStyleValue('display', display);
}
function unhideTextInstance(textInstance, text) {
textInstance.nodeValue = text;
}
// -------------------
// Hydration
// -------------------
var supportsHydration = true;
function canHydrateInstance(instance, type, props) {
if (instance.nodeType !== ELEMENT_NODE || type.toLowerCase() !== instance.nodeName.toLowerCase()) {
return null;
}
// This has now been refined to an element node.
return instance;
}
function canHydrateTextInstance(instance, text) {
if (text === '' || instance.nodeType !== TEXT_NODE) {
// Empty strings are not parsed by HTML so there won't be a correct match here.
return null;
}
// This has now been refined to a text node.
return instance;
}
function canHydrateSuspenseInstance(instance) {
if (instance.nodeType !== COMMENT_NODE) {
// Empty strings are not parsed by HTML so there won't be a correct match here.
return null;
}
// This has now been refined to a suspense node.
return instance;
}
function getNextHydratableSibling(instance) {
var node = instance.nextSibling;
// Skip non-hydratable nodes.
while (node && node.nodeType !== ELEMENT_NODE && node.nodeType !== TEXT_NODE && (!enableSuspenseServerRenderer || node.nodeType !== COMMENT_NODE || node.data !== SUSPENSE_START_DATA)) {
node = node.nextSibling;
}
return node;
}
function getFirstHydratableChild(parentInstance) {
var next = parentInstance.firstChild;
// Skip non-hydratable nodes.
while (next && next.nodeType !== ELEMENT_NODE && next.nodeType !== TEXT_NODE && (!enableSuspenseServerRenderer || next.nodeType !== COMMENT_NODE || next.data !== SUSPENSE_START_DATA)) {
next = next.nextSibling;
}
return next;
}
function hydrateInstance(instance, type, props, rootContainerInstance, hostContext, internalInstanceHandle) {
precacheFiberNode(internalInstanceHandle, instance);
// TODO: Possibly defer this until the commit phase where all the events
// get attached.
updateFiberProps(instance, props);
var parentNamespace = void 0;
{
parentNamespace = hostContext;
}
return diffHydratedProperties(instance, type, props, parentNamespace, rootContainerInstance);
}
function hydrateTextInstance(textInstance, text, internalInstanceHandle) {
precacheFiberNode(internalInstanceHandle, textInstance);
return diffHydratedText(textInstance, text);
}
function getNextHydratableInstanceAfterSuspenseInstance(suspenseInstance) {
var node = suspenseInstance.nextSibling;
// Skip past all nodes within this suspense boundary.
// There might be nested nodes so we need to keep track of how
// deep we are and only break out when we're back on top.
var depth = 0;
while (node) {
if (node.nodeType === COMMENT_NODE) {
var data = node.data;
if (data === SUSPENSE_END_DATA) {
if (depth === 0) {
return getNextHydratableSibling(node);
} else {
depth--;
}
} else if (data === SUSPENSE_START_DATA) {
depth++;
}
}
node = node.nextSibling;
}
// TODO: Warn, we didn't find the end comment boundary.
return null;
}
// 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) {
var prefix = warning ? warningEmoji + ' ' : reactEmoji + ' ';
var suffix = warning ? ' Warning: ' + warning : '';
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) {
var formattedMarkName = formatMarkName(markName);
var formattedLabel = formatLabel(label, warning);
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.type) || '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.type) || '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) {
var componentName = getComponentName(fiber.type) || '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);
};
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 Fragment:
case ContextProvider:
case ContextConsumer:
case Mode:
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, expirationTime) {
if (enableUserTimingAPI) {
if (supportsUserTiming) {
isWaitingForCallback = false;
var warning = didExpire ? 'React was blocked by main thread' : null;
endMark('(Waiting for async callback... will force flush in ' + expirationTime + ' ms)', '(Waiting for async callback...)', warning);
}
}
}
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 = fiber.tag === SuspenseComponent || fiber.tag === DehydratedSuspenseComponent ? 'Rendering was suspended' : 'An error was thrown inside this error boundary';
endFiberMark(fiber, null, warning);
}
}
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 = hasScheduledUpdateInCurrentPhase ? 'Scheduled a cascading update' : null;
endFiberMark(currentPhaseFiber, currentPhase, warning);
}
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, didCompleteRoot) {
if (enableUserTimingAPI) {
if (!supportsUserTiming) {
return;
}
var warning = null;
if (interruptedBy !== null) {
if (interruptedBy.tag === HostRoot) {
warning = 'A top-level update interrupted the previous render';
} else {
var componentName = getComponentName(interruptedBy.type) || 'Unknown';
warning = 'An update to ' + componentName + ' interrupted the previous render';
}
} else if (commitCountInCurrentWorkLoop > 1) {
warning = 'There were cascading updates';
}
commitCountInCurrentWorkLoop = 0;
var label = didCompleteRoot ? '(React Tree Reconciliation: Completed Root)' : '(React Tree Reconciliation: Yielded)';
// Pause any measurements until the next loop.
pauseTimers();
endMark(label, '(React Tree Reconciliation)', warning);
}
}
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 = null;
if (hasScheduledUpdateInCurrentCommit) {
warning = 'Lifecycle hook scheduled a cascading update';
} else if (commitCountInCurrentWorkLoop > 0) {
warning = 'Caused by a cascading update in earlier commit';
}
hasScheduledUpdateInCurrentCommit = false;
commitCountInCurrentWorkLoop++;
isCommitting = false;
labelsInCurrentCommit.clear();
endMark('(Committing Changes)', '(Committing Changes)', warning);
}
}
function startCommitSnapshotEffectsTimer() {
if (enableUserTimingAPI) {
if (!supportsUserTiming) {
return;
}
effectCountInCurrentCommit = 0;
beginMark('(Committing Snapshot Effects)');
}
}
function stopCommitSnapshotEffectsTimer() {
if (enableUserTimingAPI) {
if (!supportsUserTiming) {
return;
}
var count = effectCountInCurrentCommit;
effectCountInCurrentCommit = 0;
endMark('(Committing Snapshot Effects: ' + count + ' Total)', '(Committing Snapshot Effects)', null);
}
}
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 valueStack = [];
var index = -1;
function createCursor(defaultValue) {
return {
current: defaultValue
};
}
function pop(cursor, fiber) {
if (index < 0) {
return;
}
cursor.current = valueStack[index];
valueStack[index] = null;
index--;
}
function push(cursor, value, fiber) {
index++;
valueStack[index] = cursor.current;
cursor.current = value;
}
var emptyContextObject = {};
// A cursor to the current merged context object on the stack.
var contextStackCursor = createCursor(emptyContextObject);
// 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 = emptyContextObject;
function getUnmaskedContext(workInProgress, Component, didPushOwnContextIfProvider) {
if (didPushOwnContextIfProvider && isContextProvider(Component)) {
// If the fiber is a context provider itself, when we read its context
// we may 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 emptyContextObject;
}
// 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];
}
if (instance) {
cacheContext(workInProgress, unmaskedContext, context);
}
return context;
}
function hasContextChanged() {
return didPerformWorkStackCursor.current;
}
function isContextProvider(type) {
var childContextTypes = type.childContextTypes;
return childContextTypes !== null && childContextTypes !== undefined;
}
function popContext(fiber) {
pop(didPerformWorkStackCursor, fiber);
pop(contextStackCursor, fiber);
}
function popTopLevelContextObject(fiber) {
pop(didPerformWorkStackCursor, fiber);
pop(contextStackCursor, fiber);
}
function pushTopLevelContextObject(fiber, context, didChange) {
!(contextStackCursor.current === emptyContextObject) ? reactProdInvariant('168') : void 0;
push(contextStackCursor, context, fiber);
push(didPerformWorkStackCursor, didChange, fiber);
}
function processChildContext(fiber, type, parentContext) {
var instance = fiber.stateNode;
var childContextTypes = 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') {
return parentContext;
}
var childContext = void 0;
startPhaseTimer(fiber, 'getChildContext');
childContext = instance.getChildContext();
stopPhaseTimer();
for (var contextKey in childContext) {
!(contextKey in childContextTypes) ? reactProdInvariant('108', getComponentName(type) || 'Unknown', contextKey) : void 0;
}
return _assign({}, parentContext, childContext);
}
function pushContextProvider(workInProgress) {
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 || emptyContextObject;
// 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, type, didChange) {
var instance = workInProgress.stateNode;
!instance ? reactProdInvariant('169') : void 0;
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, type, 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 findCurrentUnmaskedContext(fiber) {
// Currently this is only used with renderSubtreeIntoContainer; not sure if it
// makes sense elsewhere
!(isFiberMounted(fiber) && fiber.tag === ClassComponent) ? reactProdInvariant('170') : void 0;
var node = fiber;
do {
switch (node.tag) {
case HostRoot:
return node.stateNode.context;
case ClassComponent:
{
var Component = node.type;
if (isContextProvider(Component)) {
return node.stateNode.__reactInternalMemoizedMergedChildContext;
}
break;
}
}
node = node.return;
} while (node !== null);
reactProdInvariant('171');
}
var onCommitFiberRoot = null;
var onCommitFiberUnmount = null;
function catchErrors(fn) {
return function (arg) {
try {
return fn(arg);
} catch (err) {
}
};
}
var isDevToolsPresent = typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ !== 'undefined';
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) {
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.
}
// DevTools exists
return true;
}
function onCommitRoot(root) {
if (typeof onCommitFiberRoot === 'function') {
onCommitFiberRoot(root);
}
}
function onCommitUnmount(fiber) {
if (typeof onCommitFiberUnmount === 'function') {
onCommitFiberUnmount(fiber);
}
}
// Max 31 bit integer. The max integer size in V8 for 32-bit systems.
// Math.pow(2, 30) - 1
// 0b111111111111111111111111111111
var maxSigned31BitInt = 1073741823;
var NoWork = 0;
var Never = 1;
var Sync = maxSigned31BitInt;
var UNIT_SIZE = 10;
var MAGIC_NUMBER_OFFSET = maxSigned31BitInt - 1;
// 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 MAGIC_NUMBER_OFFSET - (ms / UNIT_SIZE | 0);
}
function expirationTimeToMs(expirationTime) {
return (MAGIC_NUMBER_OFFSET - expirationTime) * UNIT_SIZE;
}
function ceiling(num, precision) {
return ((num / precision | 0) + 1) * precision;
}
function computeExpirationBucket(currentTime, expirationInMs, bucketSizeMs) {
return MAGIC_NUMBER_OFFSET - ceiling(MAGIC_NUMBER_OFFSET - currentTime + expirationInMs / UNIT_SIZE, bucketSizeMs / UNIT_SIZE);
}
var LOW_PRIORITY_EXPIRATION = 5000;
var LOW_PRIORITY_BATCH_SIZE = 250;
function computeAsyncExpiration(currentTime) {
return computeExpirationBucket(currentTime, LOW_PRIORITY_EXPIRATION, LOW_PRIORITY_BATCH_SIZE);
}
// We intentionally set a higher expiration time for interactive updates in
// dev than in production.
//
// If the main thread is being blocked so long that you hit the expiration,
// it's a problem that could be solved with better scheduling.
//
// People will be more likely to notice this and fix it with the long
// expiration time in development.
//
// In production we opt for better UX at the risk of masking scheduling
// problems, by expiring fast.
var HIGH_PRIORITY_EXPIRATION = 150;
var HIGH_PRIORITY_BATCH_SIZE = 100;
function computeInteractiveExpiration(currentTime) {
return computeExpirationBucket(currentTime, HIGH_PRIORITY_EXPIRATION, HIGH_PRIORITY_BATCH_SIZE);
}
var NoContext = 0;
var ConcurrentMode = 1;
var StrictMode = 2;
var ProfileMode = 4;
function FiberNode(tag, pendingProps, key, mode) {
// Instance
this.tag = tag;
this.key = key;
this.elementType = null;
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.contextDependencies = null;
this.mode = mode;
// Effects
this.effectTag = NoEffect;
this.nextEffect = null;
this.firstEffect = null;
this.lastEffect = null;
this.expirationTime = NoWork;
this.childExpirationTime = NoWork;
this.alternate = null;
if (enableProfilerTimer) {
// Note: The following is done to avoid a v8 performance cliff.
//
// Initializing the fields below to smis and later updating them with
// double values will cause Fibers to end up having separate shapes.
// This behavior/bug has something to do with Object.preventExtension().
// Fortunately this only impacts DEV builds.
// Unfortunately it makes React unusably slow for some applications.
// To work around this, initialize the fields below with doubles.
//
// Learn more about this here:
// https://github.com/facebook/react/issues/14365
// https://bugs.chromium.org/p/v8/issues/detail?id=8538
this.actualDuration = Number.NaN;
this.actualStartTime = Number.NaN;
this.selfBaseDuration = Number.NaN;
this.treeBaseDuration = Number.NaN;
// It's okay to replace the initial doubles with smis after initialization.
// This won't trigger the performance cliff mentioned above,
// and it simplifies other profiler code (including DevTools).
this.actualDuration = 0;
this.actualStartTime = -1;
this.selfBaseDuration = 0;
this.treeBaseDuration = 0;
}
}
// 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, mode) {
// $FlowFixMe: the shapes are exact here but Flow doesn't like constructors
return new FiberNode(tag, pendingProps, key, mode);
};
function shouldConstruct(Component) {
var prototype = Component.prototype;
return !!(prototype && prototype.isReactComponent);
}
function isSimpleFunctionComponent(type) {
return typeof type === 'function' && !shouldConstruct(type) && type.defaultProps === undefined;
}
function resolveLazyComponentTag(Component) {
if (typeof Component === 'function') {
return shouldConstruct(Component) ? ClassComponent : FunctionComponent;
} else if (Component !== undefined && Component !== null) {
var $$typeof = Component.$$typeof;
if ($$typeof === REACT_FORWARD_REF_TYPE) {
return ForwardRef;
}
if ($$typeof === REACT_MEMO_TYPE) {
return MemoComponent;
}
}
return IndeterminateComponent;
}
// 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.mode);
workInProgress.elementType = current.elementType;
workInProgress.type = current.type;
workInProgress.stateNode = current.stateNode;
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;
if (enableProfilerTimer) {
// We intentionally reset, rather than copy, actualDuration & actualStartTime.
// This prevents time from endlessly accumulating in new commits.
// This has the downside of resetting values for different priority renders,
// But works for yielding (the common case) and should support resuming.
workInProgress.actualDuration = 0;
workInProgress.actualStartTime = -1;
}
}
workInProgress.childExpirationTime = current.childExpirationTime;
workInProgress.expirationTime = current.expirationTime;
workInProgress.child = current.child;
workInProgress.memoizedProps = current.memoizedProps;
workInProgress.memoizedState = current.memoizedState;
workInProgress.updateQueue = current.updateQueue;
workInProgress.contextDependencies = current.contextDependencies;
// These will be overridden during the parent's reconciliation
workInProgress.sibling = current.sibling;
workInProgress.index = current.index;
workInProgress.ref = current.ref;
if (enableProfilerTimer) {
workInProgress.selfBaseDuration = current.selfBaseDuration;
workInProgress.treeBaseDuration = current.treeBaseDuration;
}
return workInProgress;
}
function createHostRootFiber(isConcurrent) {
var mode = isConcurrent ? ConcurrentMode | StrictMode : NoContext;
if (enableProfilerTimer && isDevToolsPresent) {
// Always collect profile timings when DevTools are present.
// This enables DevTools to start capturing timing at any point–
// Without some nodes in the tree having empty base times.
mode |= ProfileMode;
}
return createFiber(HostRoot, null, null, mode);
}
function createFiberFromTypeAndProps(type, // React$ElementType
key, pendingProps, owner, mode, expirationTime) {
var fiber = void 0;
var fiberTag = IndeterminateComponent;
// The resolved type is set if we know what the final type will be. I.e. it's not lazy.
var resolvedType = type;
if (typeof type === 'function') {
if (shouldConstruct(type)) {
fiberTag = ClassComponent;
}
} else if (typeof type === 'string') {
fiberTag = HostComponent;
} else {
getTag: switch (type) {
case REACT_FRAGMENT_TYPE:
return createFiberFromFragment(pendingProps.children, mode, expirationTime, key);
case REACT_CONCURRENT_MODE_TYPE:
return createFiberFromMode(pendingProps, mode | ConcurrentMode | StrictMode, expirationTime, key);
case REACT_STRICT_MODE_TYPE:
return createFiberFromMode(pendingProps, mode | StrictMode, expirationTime, key);
case REACT_PROFILER_TYPE:
return createFiberFromProfiler(pendingProps, mode, expirationTime, key);
case REACT_SUSPENSE_TYPE:
return createFiberFromSuspense(pendingProps, mode, expirationTime, key);
default:
{
if (typeof type === 'object' && type !== null) {
switch (type.$$typeof) {
case REACT_PROVIDER_TYPE:
fiberTag = ContextProvider;
break getTag;
case REACT_CONTEXT_TYPE:
// This is a consumer
fiberTag = ContextConsumer;
break getTag;
case REACT_FORWARD_REF_TYPE:
fiberTag = ForwardRef;
break getTag;
case REACT_MEMO_TYPE:
fiberTag = MemoComponent;
break getTag;
case REACT_LAZY_TYPE:
fiberTag = LazyComponent;
resolvedType = null;
break getTag;
}
}
var info = '';
reactProdInvariant('130', type == null ? type : typeof type, info);
}
}
}
fiber = createFiber(fiberTag, pendingProps, key, mode);
fiber.elementType = type;
fiber.type = resolvedType;
fiber.expirationTime = expirationTime;
return fiber;
}
function createFiberFromElement(element, mode, expirationTime) {
var owner = null;
var type = element.type;
var key = element.key;
var pendingProps = element.props;
var fiber = createFiberFromTypeAndProps(type, key, pendingProps, owner, mode, expirationTime);
return fiber;
}
function createFiberFromFragment(elements, mode, expirationTime, key) {
var fiber = createFiber(Fragment, elements, key, mode);
fiber.expirationTime = expirationTime;
return fiber;
}
function createFiberFromProfiler(pendingProps, mode, expirationTime, key) {
var fiber = createFiber(Profiler, pendingProps, key, mode | ProfileMode);
// TODO: The Profiler fiber shouldn't have a type. It has a tag.
fiber.elementType = REACT_PROFILER_TYPE;
fiber.type = REACT_PROFILER_TYPE;
fiber.expirationTime = expirationTime;
return fiber;
}
function createFiberFromMode(pendingProps, mode, expirationTime, key) {
var fiber = createFiber(Mode, pendingProps, key, mode);
// TODO: The Mode fiber shouldn't have a type. It has a tag.
var type = (mode & ConcurrentMode) === NoContext ? REACT_STRICT_MODE_TYPE : REACT_CONCURRENT_MODE_TYPE;
fiber.elementType = type;
fiber.type = type;
fiber.expirationTime = expirationTime;
return fiber;
}
function createFiberFromSuspense(pendingProps, mode, expirationTime, key) {
var fiber = createFiber(SuspenseComponent, pendingProps, key, mode);
// TODO: The SuspenseComponent fiber shouldn't have a type. It has a tag.
var type = REACT_SUSPENSE_TYPE;
fiber.elementType = type;
fiber.type = type;
fiber.expirationTime = expirationTime;
return fiber;
}
function createFiberFromText(content, mode, expirationTime) {
var fiber = createFiber(HostText, content, null, mode);
fiber.expirationTime = expirationTime;
return fiber;
}
function createFiberFromHostInstanceForDeletion() {
var fiber = createFiber(HostComponent, null, null, NoContext);
// TODO: These should not need a type.
fiber.elementType = 'DELETED';
fiber.type = 'DELETED';
return fiber;
}
function createFiberFromPortal(portal, mode, expirationTime) {
var pendingProps = portal.children !== null ? portal.children : [];
var fiber = createFiber(HostPortal, pendingProps, portal.key, mode);
fiber.expirationTime = expirationTime;
fiber.stateNode = {
containerInfo: portal.containerInfo,
pendingChildren: null, // Used by persistent updates
implementation: portal.implementation
};
return fiber;
}
// Used for stashing WIP properties to replay failed work in DEV.
var ReactInternals$2 = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;
var _ReactInternals$Sched$1 = ReactInternals$2.SchedulerTracing;
var __interactionsRef = _ReactInternals$Sched$1.__interactionsRef;
var __subscriberRef = _ReactInternals$Sched$1.__subscriberRef;
var unstable_clear = _ReactInternals$Sched$1.unstable_clear;
var unstable_getCurrent = _ReactInternals$Sched$1.unstable_getCurrent;
var unstable_getThreadID = _ReactInternals$Sched$1.unstable_getThreadID;
var unstable_subscribe = _ReactInternals$Sched$1.unstable_subscribe;
var unstable_trace = _ReactInternals$Sched$1.unstable_trace;
var unstable_unsubscribe = _ReactInternals$Sched$1.unstable_unsubscribe;
var unstable_wrap = _ReactInternals$Sched$1.unstable_wrap;
// TODO: This should be lifted into the renderer.
// The following attributes are only used by interaction tracing builds.
// They enable interactions to be associated with their async work,
// And expose interaction metadata to the React DevTools Profiler plugin.
// Note that these attributes are only defined when the enableSchedulerTracing flag is enabled.
// Exported FiberRoot type includes all properties,
// To avoid requiring potentially error-prone :any casts throughout the project.
// Profiling properties are only safe to access in profiling builds (when enableSchedulerTracing is true).
// The types are defined separately within this file to ensure they stay in sync.
// (We don't have to use an inline :any cast when enableSchedulerTracing is disabled.)
function createFiberRoot(containerInfo, isConcurrent, hydrate) {
// Cyclic construction. This cheats the type system right now because
// stateNode is any.
var uninitializedFiber = createHostRootFiber(isConcurrent);
var root = void 0;
if (enableSchedulerTracing) {
root = {
current: uninitializedFiber,
containerInfo: containerInfo,
pendingChildren: null,
earliestPendingTime: NoWork,
latestPendingTime: NoWork,
earliestSuspendedTime: NoWork,
latestSuspendedTime: NoWork,
latestPingedTime: NoWork,
pingCache: null,
didError: false,
pendingCommitExpirationTime: NoWork,
finishedWork: null,
timeoutHandle: noTimeout,
context: null,
pendingContext: null,
hydrate: hydrate,
nextExpirationTimeToWorkOn: NoWork,
expirationTime: NoWork,
firstBatch: null,
nextScheduledRoot: null,
interactionThreadID: unstable_getThreadID(),
memoizedInteractions: new Set(),
pendingInteractionMap: new Map()
};
} else {
root = {
current: uninitializedFiber,
containerInfo: containerInfo,
pendingChildren: null,
pingCache: null,
earliestPendingTime: NoWork,
latestPendingTime: NoWork,
earliestSuspendedTime: NoWork,
latestSuspendedTime: NoWork,
latestPingedTime: NoWork,
didError: false,
pendingCommitExpirationTime: NoWork,
finishedWork: null,
timeoutHandle: noTimeout,
context: null,
pendingContext: null,
hydrate: hydrate,
nextExpirationTimeToWorkOn: NoWork,
expirationTime: NoWork,
firstBatch: null,
nextScheduledRoot: null
};
}
uninitializedFiber.stateNode = root;
// The reason for the way the Flow types are structured in this file,
// Is to avoid needing :any casts everywhere interaction tracing fields are used.
// Unfortunately that requires an :any cast for non-interaction tracing capable builds.
// $FlowFixMe Remove this :any cast and replace it with something better.
return root;
}
/**
* 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.
*/
// 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.
// TODO: Offscreen updates should never suspend. However, a promise that
// suspended inside an offscreen subtree should be able to ping at the priority
// of the outer render.
function markPendingPriorityLevel(root, expirationTime) {
// If there's a gap between completing a failed root and retrying it,
// additional updates may be scheduled. Clear `didError`, in case the update
// is sufficient to fix the error.
root.didError = false;
// Update the latest and earliest pending times
var earliestPendingTime = root.earliestPendingTime;
if (earliestPendingTime === NoWork) {
// No other pending updates.
root.earliestPendingTime = root.latestPendingTime = expirationTime;
} else {
if (earliestPendingTime < expirationTime) {
// This is the earliest pending update.
root.earliestPendingTime = expirationTime;
} else {
var latestPendingTime = root.latestPendingTime;
if (latestPendingTime > expirationTime) {
// This is the latest pending update
root.latestPendingTime = expirationTime;
}
}
}
findNextExpirationTimeToWorkOn(expirationTime, root);
}
function markCommittedPriorityLevels(root, earliestRemainingTime) {
root.didError = false;
if (earliestRemainingTime === NoWork) {
// Fast path. There's no remaining work. Clear everything.
root.earliestPendingTime = NoWork;
root.latestPendingTime = NoWork;
root.earliestSuspendedTime = NoWork;
root.latestSuspendedTime = NoWork;
root.latestPingedTime = NoWork;
findNextExpirationTimeToWorkOn(NoWork, root);
return;
}
if (earliestRemainingTime < root.latestPingedTime) {
root.latestPingedTime = NoWork;
}
// Let's see if the previous latest known pending level was just flushed.
var latestPendingTime = root.latestPendingTime;
if (latestPendingTime !== NoWork) {
if (latestPendingTime > earliestRemainingTime) {
// We've flushed all the known pending levels.
root.earliestPendingTime = root.latestPendingTime = NoWork;
} else {
var earliestPendingTime = root.earliestPendingTime;
if (earliestPendingTime > earliestRemainingTime) {
// We've flushed the earliest known pending level. Set this to the
// latest pending time.
root.earliestPendingTime = root.latestPendingTime;
}
}
}
// Now let's handle the earliest remaining level in the whole tree. We need to
// decide whether to treat it as a pending level or as suspended. Check
// it falls within the range of known suspended levels.
var earliestSuspendedTime = root.earliestSuspendedTime;
if (earliestSuspendedTime === NoWork) {
// There's no suspended work. Treat the earliest remaining level as a
// pending level.
markPendingPriorityLevel(root, earliestRemainingTime);
findNextExpirationTimeToWorkOn(NoWork, root);
return;
}
var latestSuspendedTime = root.latestSuspendedTime;
if (earliestRemainingTime < latestSuspendedTime) {
// The earliest remaining level is later than all the suspended work. That
// means we've flushed all the suspended work.
root.earliestSuspendedTime = NoWork;
root.latestSuspendedTime = NoWork;
root.latestPingedTime = NoWork;
// There's no suspended work. Treat the earliest remaining level as a
// pending level.
markPendingPriorityLevel(root, earliestRemainingTime);
findNextExpirationTimeToWorkOn(NoWork, root);
return;
}
if (earliestRemainingTime > earliestSuspendedTime) {
// The earliest remaining time is earlier than all the suspended work.
// Treat it as a pending update.
markPendingPriorityLevel(root, earliestRemainingTime);
findNextExpirationTimeToWorkOn(NoWork, root);
return;
}
// The earliest remaining time falls within the range of known suspended
// levels. We should treat this as suspended work.
findNextExpirationTimeToWorkOn(NoWork, root);
}
function hasLowerPriorityWork(root, erroredExpirationTime) {
var latestPendingTime = root.latestPendingTime;
var latestSuspendedTime = root.latestSuspendedTime;
var latestPingedTime = root.latestPingedTime;
return latestPendingTime !== NoWork && latestPendingTime < erroredExpirationTime || latestSuspendedTime !== NoWork && latestSuspendedTime < erroredExpirationTime || latestPingedTime !== NoWork && latestPingedTime < erroredExpirationTime;
}
function isPriorityLevelSuspended(root, expirationTime) {
var earliestSuspendedTime = root.earliestSuspendedTime;
var latestSuspendedTime = root.latestSuspendedTime;
return earliestSuspendedTime !== NoWork && expirationTime <= earliestSuspendedTime && expirationTime >= latestSuspendedTime;
}
function markSuspendedPriorityLevel(root, suspendedTime) {
root.didError = false;
clearPing(root, suspendedTime);
// First, check the known pending levels and update them if needed.
var earliestPendingTime = root.earliestPendingTime;
var latestPendingTime = root.latestPendingTime;
if (earliestPendingTime === suspendedTime) {
if (latestPendingTime === suspendedTime) {
// Both known pending levels were suspended. Clear them.
root.earliestPendingTime = root.latestPendingTime = NoWork;
} else {
// The earliest pending level was suspended. Clear by setting it to the
// latest pending level.
root.earliestPendingTime = latestPendingTime;
}
} else if (latestPendingTime === suspendedTime) {
// The latest pending level was suspended. Clear by setting it to the
// latest pending level.
root.latestPendingTime = earliestPendingTime;
}
// Finally, update the known suspended levels.
var earliestSuspendedTime = root.earliestSuspendedTime;
var latestSuspendedTime = root.latestSuspendedTime;
if (earliestSuspendedTime === NoWork) {
// No other suspended levels.
root.earliestSuspendedTime = root.latestSuspendedTime = suspendedTime;
} else {
if (earliestSuspendedTime < suspendedTime) {
// This is the earliest suspended level.
root.earliestSuspendedTime = suspendedTime;
} else if (latestSuspendedTime > suspendedTime) {
// This is the latest suspended level
root.latestSuspendedTime = suspendedTime;
}
}
findNextExpirationTimeToWorkOn(suspendedTime, root);
}
function markPingedPriorityLevel(root, pingedTime) {
root.didError = false;
// TODO: When we add back resuming, we need to ensure the progressed work
// is thrown out and not reused during the restarted render. One way to
// invalidate the progressed work is to restart at expirationTime + 1.
var latestPingedTime = root.latestPingedTime;
if (latestPingedTime === NoWork || latestPingedTime > pingedTime) {
root.latestPingedTime = pingedTime;
}
findNextExpirationTimeToWorkOn(pingedTime, root);
}
function clearPing(root, completedTime) {
var latestPingedTime = root.latestPingedTime;
if (latestPingedTime >= completedTime) {
root.latestPingedTime = NoWork;
}
}
function findEarliestOutstandingPriorityLevel(root, renderExpirationTime) {
var earliestExpirationTime = renderExpirationTime;
var earliestPendingTime = root.earliestPendingTime;
var earliestSuspendedTime = root.earliestSuspendedTime;
if (earliestPendingTime > earliestExpirationTime) {
earliestExpirationTime = earliestPendingTime;
}
if (earliestSuspendedTime > earliestExpirationTime) {
earliestExpirationTime = earliestSuspendedTime;
}
return earliestExpirationTime;
}
function didExpireAtExpirationTime(root, currentTime) {
var expirationTime = root.expirationTime;
if (expirationTime !== NoWork && currentTime <= expirationTime) {
// The root has expired. Flush all work up to the current time.
root.nextExpirationTimeToWorkOn = currentTime;
}
}
function findNextExpirationTimeToWorkOn(completedExpirationTime, root) {
var earliestSuspendedTime = root.earliestSuspendedTime;
var latestSuspendedTime = root.latestSuspendedTime;
var earliestPendingTime = root.earliestPendingTime;
var latestPingedTime = root.latestPingedTime;
// Work on the earliest pending time. Failing that, work on the latest
// pinged time.
var nextExpirationTimeToWorkOn = earliestPendingTime !== NoWork ? earliestPendingTime : latestPingedTime;
// If there is no pending or pinged work, check if there's suspended work
// that's lower priority than what we just completed.
if (nextExpirationTimeToWorkOn === NoWork && (completedExpirationTime === NoWork || latestSuspendedTime < completedExpirationTime)) {
// The lowest priority suspended work is the work most likely to be
// committed next. Let's start rendering it again, so that if it times out,
// it's ready to commit.
nextExpirationTimeToWorkOn = latestSuspendedTime;
}
var expirationTime = nextExpirationTimeToWorkOn;
if (expirationTime !== NoWork && earliestSuspendedTime > expirationTime) {
// Expire using the earliest known expiration time.
expirationTime = earliestSuspendedTime;
}
root.nextExpirationTimeToWorkOn = nextExpirationTimeToWorkOn;
root.expirationTime = expirationTime;
}
function resolveDefaultProps(Component, baseProps) {
if (Component && Component.defaultProps) {
// Resolve default props. Taken from ReactElement
var props = _assign({}, baseProps);
var defaultProps = Component.defaultProps;
for (var propName in defaultProps) {
if (props[propName] === undefined) {
props[propName] = defaultProps[propName];
}
}
return props;
}
return baseProps;
}
function readLazyComponentType(lazyComponent) {
var status = lazyComponent._status;
var result = lazyComponent._result;
switch (status) {
case Resolved:
{
var Component = result;
return Component;
}
case Rejected:
{
var error = result;
throw error;
}
case Pending:
{
var thenable = result;
throw thenable;
}
default:
{
lazyComponent._status = Pending;
var ctor = lazyComponent._ctor;
var _thenable = ctor();
_thenable.then(function (moduleObject) {
if (lazyComponent._status === Pending) {
var defaultExport = moduleObject.default;
lazyComponent._status = Resolved;
lazyComponent._result = defaultExport;
}
}, function (error) {
if (lazyComponent._status === Pending) {
lazyComponent._status = Rejected;
lazyComponent._result = error;
}
});
// Handle synchronous thenables.
switch (lazyComponent._status) {
case Resolved:
return lazyComponent._result;
case Rejected:
throw lazyComponent._result;
}
lazyComponent._result = _thenable;
throw _thenable;
}
}
}
// React.Component uses a shared frozen object by default.
// We'll use it to determine whether we need to initialize legacy refs.
var emptyRefsObject = new React.Component().refs;
function applyDerivedStateFromProps(workInProgress, ctor, getDerivedStateFromProps, nextProps) {
var prevState = workInProgress.memoizedState;
var partialState = getDerivedStateFromProps(nextProps, prevState);
var memoizedState = partialState === null || partialState === undefined ? prevState : _assign({}, prevState, partialState);
workInProgress.memoizedState = memoizedState;
// Once the update queue is empty, persist the derived state onto the
// base state.
var updateQueue = workInProgress.updateQueue;
if (updateQueue !== null && workInProgress.expirationTime === NoWork) {
updateQueue.baseState = memoizedState;
}
}
var classComponentUpdater = {
isMounted: isMounted,
enqueueSetState: function (inst, payload, callback) {
var fiber = get(inst);
var currentTime = requestCurrentTime();
var expirationTime = computeExpirationForFiber(currentTime, fiber);
var update = createUpdate(expirationTime);
update.payload = payload;
if (callback !== undefined && callback !== null) {
update.callback = callback;
}
flushPassiveEffects();
enqueueUpdate(fiber, update);
scheduleWork(fiber, expirationTime);
},
enqueueReplaceState: function (inst, payload, callback) {
var fiber = get(inst);
var currentTime = requestCurrentTime();
var expirationTime = computeExpirationForFiber(currentTime, fiber);
var update = createUpdate(expirationTime);
update.tag = ReplaceState;
update.payload = payload;
if (callback !== undefined && callback !== null) {
update.callback = callback;
}
flushPassiveEffects();
enqueueUpdate(fiber, update);
scheduleWork(fiber, expirationTime);
},
enqueueForceUpdate: function (inst, callback) {
var fiber = get(inst);
var currentTime = requestCurrentTime();
var expirationTime = computeExpirationForFiber(currentTime, fiber);
var update = createUpdate(expirationTime);
update.tag = ForceUpdate;
if (callback !== undefined && callback !== null) {
update.callback = callback;
}
flushPassiveEffects();
enqueueUpdate(fiber, update);
scheduleWork(fiber, expirationTime);
}
};
function checkShouldComponentUpdate(workInProgress, ctor, oldProps, newProps, oldState, newState, nextContext) {
var instance = workInProgress.stateNode;
if (typeof instance.shouldComponentUpdate === 'function') {
startPhaseTimer(workInProgress, 'shouldComponentUpdate');
var shouldUpdate = instance.shouldComponentUpdate(newProps, newState, nextContext);
stopPhaseTimer();
return shouldUpdate;
}
if (ctor.prototype && ctor.prototype.isPureReactComponent) {
return !shallowEqual(oldProps, newProps) || !shallowEqual(oldState, newState);
}
return true;
}
function adoptClassInstance(workInProgress, instance) {
instance.updater = classComponentUpdater;
workInProgress.stateNode = instance;
// The instance needs access to the fiber so that it can schedule updates
set(instance, workInProgress);
}
function constructClassInstance(workInProgress, ctor, props, renderExpirationTime) {
var isLegacyContextConsumer = false;
var unmaskedContext = emptyContextObject;
var context = null;
var contextType = ctor.contextType;
if (typeof contextType === 'object' && contextType !== null) {
context = readContext(contextType);
} else {
unmaskedContext = getUnmaskedContext(workInProgress, ctor, true);
var contextTypes = ctor.contextTypes;
isLegacyContextConsumer = contextTypes !== null && contextTypes !== undefined;
context = isLegacyContextConsumer ? getMaskedContext(workInProgress, unmaskedContext) : emptyContextObject;
}
// Instantiate twice to help detect side-effects.
var instance = new ctor(props, context);
var state = workInProgress.memoizedState = instance.state !== null && instance.state !== undefined ? instance.state : null;
adoptClassInstance(workInProgress, instance);
if (isLegacyContextConsumer) {
cacheContext(workInProgress, unmaskedContext, context);
}
return instance;
}
function callComponentWillMount(workInProgress, instance) {
startPhaseTimer(workInProgress, 'componentWillMount');
var oldState = instance.state;
if (typeof instance.componentWillMount === 'function') {
instance.componentWillMount();
}
if (typeof instance.UNSAFE_componentWillMount === 'function') {
instance.UNSAFE_componentWillMount();
}
stopPhaseTimer();
if (oldState !== instance.state) {
classComponentUpdater.enqueueReplaceState(instance, instance.state, null);
}
}
function callComponentWillReceiveProps(workInProgress, instance, newProps, nextContext) {
var oldState = instance.state;
startPhaseTimer(workInProgress, 'componentWillReceiveProps');
if (typeof instance.componentWillReceiveProps === 'function') {
instance.componentWillReceiveProps(newProps, nextContext);
}
if (typeof instance.UNSAFE_componentWillReceiveProps === 'function') {
instance.UNSAFE_componentWillReceiveProps(newProps, nextContext);
}
stopPhaseTimer();
if (instance.state !== oldState) {
classComponentUpdater.enqueueReplaceState(instance, instance.state, null);
}
}
// Invokes the mount life-cycles on a previously never rendered instance.
function mountClassInstance(workInProgress, ctor, newProps, renderExpirationTime) {
var instance = workInProgress.stateNode;
instance.props = newProps;
instance.state = workInProgress.memoizedState;
instance.refs = emptyRefsObject;
var contextType = ctor.contextType;
if (typeof contextType === 'object' && contextType !== null) {
instance.context = readContext(contextType);
} else {
var unmaskedContext = getUnmaskedContext(workInProgress, ctor, true);
instance.context = getMaskedContext(workInProgress, unmaskedContext);
}
var updateQueue = workInProgress.updateQueue;
if (updateQueue !== null) {
processUpdateQueue(workInProgress, updateQueue, newProps, instance, renderExpirationTime);
instance.state = workInProgress.memoizedState;
}
var getDerivedStateFromProps = ctor.getDerivedStateFromProps;
if (typeof getDerivedStateFromProps === 'function') {
applyDerivedStateFromProps(workInProgress, ctor, getDerivedStateFromProps, newProps);
instance.state = workInProgress.memoizedState;
}
// In order to support react-lifecycles-compat polyfilled components,
// Unsafe lifecycles should not be invoked for components using the new APIs.
if (typeof ctor.getDerivedStateFromProps !== 'function' && typeof instance.getSnapshotBeforeUpdate !== 'function' && (typeof instance.UNSAFE_componentWillMount === 'function' || typeof instance.componentWillMount === 'function')) {
callComponentWillMount(workInProgress, instance);
// If we had additional state updates during this life-cycle, let's
// process them now.
updateQueue = workInProgress.updateQueue;
if (updateQueue !== null) {
processUpdateQueue(workInProgress, updateQueue, newProps, instance, renderExpirationTime);
instance.state = workInProgress.memoizedState;
}
}
if (typeof instance.componentDidMount === 'function') {
workInProgress.effectTag |= Update;
}
}
function resumeMountClassInstance(workInProgress, ctor, newProps, renderExpirationTime) {
var instance = workInProgress.stateNode;
var oldProps = workInProgress.memoizedProps;
instance.props = oldProps;
var oldContext = instance.context;
var contextType = ctor.contextType;
var nextContext = void 0;
if (typeof contextType === 'object' && contextType !== null) {
nextContext = readContext(contextType);
} else {
var nextLegacyUnmaskedContext = getUnmaskedContext(workInProgress, ctor, true);
nextContext = getMaskedContext(workInProgress, nextLegacyUnmaskedContext);
}
var getDerivedStateFromProps = ctor.getDerivedStateFromProps;
var hasNewLifecycles = typeof getDerivedStateFromProps === 'function' || typeof instance.getSnapshotBeforeUpdate === 'function';
// 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 components using the new APIs.
if (!hasNewLifecycles && (typeof instance.UNSAFE_componentWillReceiveProps === 'function' || typeof instance.componentWillReceiveProps === 'function')) {
if (oldProps !== newProps || oldContext !== nextContext) {
callComponentWillReceiveProps(workInProgress, instance, newProps, nextContext);
}
}
resetHasForceUpdateBeforeProcessing();
var oldState = workInProgress.memoizedState;
var newState = instance.state = oldState;
var updateQueue = workInProgress.updateQueue;
if (updateQueue !== null) {
processUpdateQueue(workInProgress, updateQueue, newProps, instance, renderExpirationTime);
newState = workInProgress.memoizedState;
}
if (oldProps === newProps && oldState === newState && !hasContextChanged() && !checkHasForceUpdateAfterProcessing()) {
// 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.componentDidMount === 'function') {
workInProgress.effectTag |= Update;
}
return false;
}
if (typeof getDerivedStateFromProps === 'function') {
applyDerivedStateFromProps(workInProgress, ctor, getDerivedStateFromProps, newProps);
newState = workInProgress.memoizedState;
}
var shouldUpdate = checkHasForceUpdateAfterProcessing() || checkShouldComponentUpdate(workInProgress, ctor, oldProps, newProps, oldState, newState, nextContext);
if (shouldUpdate) {
// In order to support react-lifecycles-compat polyfilled components,
// Unsafe lifecycles should not be invoked for components using the new APIs.
if (!hasNewLifecycles && (typeof instance.UNSAFE_componentWillMount === 'function' || typeof instance.componentWillMount === 'function')) {
startPhaseTimer(workInProgress, 'componentWillMount');
if (typeof instance.componentWillMount === 'function') {
instance.componentWillMount();
}
if (typeof instance.UNSAFE_componentWillMount === 'function') {
instance.UNSAFE_componentWillMount();
}
stopPhaseTimer();
}
if (typeof instance.componentDidMount === '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.componentDidMount === 'function') {
workInProgress.effectTag |= Update;
}
// If shouldComponentUpdate returned false, we should still update the
// memoized state to indicate that this work can be reused.
workInProgress.memoizedProps = newProps;
workInProgress.memoizedState = newState;
}
// Update the existing instance's state, props, and context pointers even
// if shouldComponentUpdate returns false.
instance.props = newProps;
instance.state = newState;
instance.context = nextContext;
return shouldUpdate;
}
// Invokes the update life-cycles and returns false if it shouldn't rerender.
function updateClassInstance(current, workInProgress, ctor, newProps, renderExpirationTime) {
var instance = workInProgress.stateNode;
var oldProps = workInProgress.memoizedProps;
instance.props = workInProgress.type === workInProgress.elementType ? oldProps : resolveDefaultProps(workInProgress.type, oldProps);
var oldContext = instance.context;
var contextType = ctor.contextType;
var nextContext = void 0;
if (typeof contextType === 'object' && contextType !== null) {
nextContext = readContext(contextType);
} else {
var nextUnmaskedContext = getUnmaskedContext(workInProgress, ctor, true);
nextContext = getMaskedContext(workInProgress, nextUnmaskedContext);
}
var getDerivedStateFromProps = ctor.getDerivedStateFromProps;
var hasNewLifecycles = typeof getDerivedStateFromProps === 'function' || typeof instance.getSnapshotBeforeUpdate === 'function';
// 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 components using the new APIs.
if (!hasNewLifecycles && (typeof instance.UNSAFE_componentWillReceiveProps === 'function' || typeof instance.componentWillReceiveProps === 'function')) {
if (oldProps !== newProps || oldContext !== nextContext) {
callComponentWillReceiveProps(workInProgress, instance, newProps, nextContext);
}
}
resetHasForceUpdateBeforeProcessing();
var oldState = workInProgress.memoizedState;
var newState = instance.state = oldState;
var updateQueue = workInProgress.updateQueue;
if (updateQueue !== null) {
processUpdateQueue(workInProgress, updateQueue, newProps, instance, renderExpirationTime);
newState = workInProgress.memoizedState;
}
if (oldProps === newProps && oldState === newState && !hasContextChanged() && !checkHasForceUpdateAfterProcessing()) {
// 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 (typeof instance.getSnapshotBeforeUpdate === 'function') {
if (oldProps !== current.memoizedProps || oldState !== current.memoizedState) {
workInProgress.effectTag |= Snapshot;
}
}
return false;
}
if (typeof getDerivedStateFromProps === 'function') {
applyDerivedStateFromProps(workInProgress, ctor, getDerivedStateFromProps, newProps);
newState = workInProgress.memoizedState;
}
var shouldUpdate = checkHasForceUpdateAfterProcessing() || checkShouldComponentUpdate(workInProgress, ctor, oldProps, newProps, oldState, newState, nextContext);
if (shouldUpdate) {
// In order to support react-lifecycles-compat polyfilled components,
// Unsafe lifecycles should not be invoked for components using the new APIs.
if (!hasNewLifecycles && (typeof instance.UNSAFE_componentWillUpdate === 'function' || typeof instance.componentWillUpdate === 'function')) {
startPhaseTimer(workInProgress, 'componentWillUpdate');
if (typeof instance.componentWillUpdate === 'function') {
instance.componentWillUpdate(newProps, newState, nextContext);
}
if (typeof instance.UNSAFE_componentWillUpdate === 'function') {
instance.UNSAFE_componentWillUpdate(newProps, newState, nextContext);
}
stopPhaseTimer();
}
if (typeof instance.componentDidUpdate === 'function') {
workInProgress.effectTag |= Update;
}
if (typeof instance.getSnapshotBeforeUpdate === 'function') {
workInProgress.effectTag |= Snapshot;
}
} 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 (typeof instance.getSnapshotBeforeUpdate === 'function') {
if (oldProps !== current.memoizedProps || oldState !== current.memoizedState) {
workInProgress.effectTag |= Snapshot;
}
}
// If shouldComponentUpdate returned false, we should still update the
// memoized props/state to indicate that this work can be reused.
workInProgress.memoizedProps = newProps;
workInProgress.memoizedState = newState;
}
// Update the existing instance's state, props, and context pointers even
// if shouldComponentUpdate returns false.
instance.props = newProps;
instance.state = newState;
instance.context = nextContext;
return shouldUpdate;
}
var isArray = Array.isArray;
function coerceRef(returnFiber, current$$1, element) {
var mixedRef = element.ref;
if (mixedRef !== null && typeof mixedRef !== 'function' && typeof mixedRef !== 'object') {
if (element._owner) {
var owner = element._owner;
var inst = void 0;
if (owner) {
var ownerFiber = owner;
!(ownerFiber.tag === ClassComponent) ? reactProdInvariant('309') : void 0;
inst = ownerFiber.stateNode;
}
!inst ? reactProdInvariant('147', mixedRef) : void 0;
var stringRef = '' + mixedRef;
// Check if previous string ref matches new string ref
if (current$$1 !== null && current$$1.ref !== null && typeof current$$1.ref === 'function' && current$$1.ref._stringRef === stringRef) {
return current$$1.ref;
}
var ref = function (value) {
var refs = inst.refs;
if (refs === emptyRefsObject) {
// This is a lazy pooled frozen object, so we need to initialize.
refs = inst.refs = {};
}
if (value === null) {
delete refs[stringRef];
} else {
refs[stringRef] = value;
}
};
ref._stringRef = stringRef;
return ref;
} else {
!(typeof mixedRef === 'string') ? reactProdInvariant('284') : void 0;
!element._owner ? reactProdInvariant('290', mixedRef) : void 0;
}
}
return mixedRef;
}
function throwOnInvalidObjectType(returnFiber, newChild) {
if (returnFiber.type !== 'textarea') {
var addendum = '';
reactProdInvariant('31', Object.prototype.toString.call(newChild) === '[object Object]' ? 'object with keys {' + Object.keys(newChild).join(', ') + '}' : newChild, addendum);
}
}
// 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$$1 = newFiber.alternate;
if (current$$1 !== null) {
var oldIndex = current$$1.index;
if (oldIndex < lastPlacedIndex) {
// This is a move.
newFiber.effectTag = Placement;
return lastPlacedIndex;
} else {
// This item can stay in place.
return oldIndex;
}
} else {
// This is an insertion.
newFiber.effectTag = Placement;
return lastPlacedIndex;
}
}
function placeSingleChild(newFiber) {
// This is simpler for the single child case. We only need to do a
// placement for inserting new children.
if (shouldTrackSideEffects && newFiber.alternate === null) {
newFiber.effectTag = Placement;
}
return newFiber;
}
function updateTextNode(returnFiber, current$$1, textContent, expirationTime) {
if (current$$1 === null || current$$1.tag !== HostText) {
// Insert
var created = createFiberFromText(textContent, returnFiber.mode, expirationTime);
created.return = returnFiber;
return created;
} else {
// Update
var existing = useFiber(current$$1, textContent, expirationTime);
existing.return = returnFiber;
return existing;
}
}
function updateElement(returnFiber, current$$1, element, expirationTime) {
if (current$$1 !== null && current$$1.elementType === element.type) {
// Move based on index
var existing = useFiber(current$$1, element.props, expirationTime);
existing.ref = coerceRef(returnFiber, current$$1, element);
existing.return = returnFiber;
return existing;
} else {
// Insert
var created = createFiberFromElement(element, returnFiber.mode, expirationTime);
created.ref = coerceRef(returnFiber, current$$1, element);
created.return = returnFiber;
return created;
}
}
function updatePortal(returnFiber, current$$1, portal, expirationTime) {
if (current$$1 === null || current$$1.tag !== HostPortal || current$$1.stateNode.containerInfo !== portal.containerInfo || current$$1.stateNode.implementation !== portal.implementation) {
// Insert
var created = createFiberFromPortal(portal, returnFiber.mode, expirationTime);
created.return = returnFiber;
return created;
} else {
// Update
var existing = useFiber(current$$1, portal.children || [], expirationTime);
existing.return = returnFiber;
return existing;
}
}
function updateFragment(returnFiber, current$$1, fragment, expirationTime, key) {
if (current$$1 === null || current$$1.tag !== Fragment) {
// Insert
var created = createFiberFromFragment(fragment, returnFiber.mode, expirationTime, key);
created.return = returnFiber;
return created;
} else {
// Update
var existing = useFiber(current$$1, fragment, expirationTime);
existing.return = returnFiber;
return existing;
}
}
function createChild(returnFiber, newChild, expirationTime) {
if (typeof newChild === 'string' || typeof newChild === 'number') {
// Text nodes don't have keys. If the previous node is implicitly keyed
// we can continue to replace it without aborting even if it is not a text
// node.
var created = createFiberFromText('' + newChild, returnFiber.mode, expirationTime);
created.return = returnFiber;
return created;
}
if (typeof newChild === 'object' && newChild !== null) {
switch (newChild.$$typeof) {
case REACT_ELEMENT_TYPE:
{
var _created = createFiberFromElement(newChild, returnFiber.mode, expirationTime);
_created.ref = coerceRef(returnFiber, null, newChild);
_created.return = returnFiber;
return _created;
}
case REACT_PORTAL_TYPE:
{
var _created2 = createFiberFromPortal(newChild, returnFiber.mode, expirationTime);
_created2.return = returnFiber;
return _created2;
}
}
if (isArray(newChild) || getIteratorFn(newChild)) {
var _created3 = createFiberFromFragment(newChild, returnFiber.mode, expirationTime, null);
_created3.return = returnFiber;
return _created3;
}
throwOnInvalidObjectType(returnFiber, newChild);
}
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.$$typeof) {
case REACT_ELEMENT_TYPE:
{
if (newChild.key === key) {
if (newChild.type === REACT_FRAGMENT_TYPE) {
return updateFragment(returnFiber, oldFiber, newChild.props.children, expirationTime, key);
}
return updateElement(returnFiber, oldFiber, newChild, expirationTime);
} else {
return null;
}
}
case REACT_PORTAL_TYPE:
{
if (newChild.key === key) {
return updatePortal(returnFiber, oldFiber, newChild, expirationTime);
} else {
return null;
}
}
}
if (isArray(newChild) || getIteratorFn(newChild)) {
if (key !== null) {
return null;
}
return updateFragment(returnFiber, oldFiber, newChild, expirationTime, null);
}
throwOnInvalidObjectType(returnFiber, newChild);
}
return null;
}
function updateFromMap(existingChildren, returnFiber, newIdx, newChild, expirationTime) {
if (typeof newChild === 'string' || typeof newChild === 'number') {
// Text nodes don't have keys, so we neither have to check the old nor
// new node for the key. If both are text nodes, they match.
var matchedFiber = existingChildren.get(newIdx) || null;
return updateTextNode(returnFiber, matchedFiber, '' + newChild, expirationTime);
}
if (typeof newChild === 'object' && newChild !== null) {
switch (newChild.$$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(newChild) || getIteratorFn(newChild)) {
var _matchedFiber3 = existingChildren.get(newIdx) || null;
return updateFragment(returnFiber, _matchedFiber3, newChild, expirationTime, null);
}
throwOnInvalidObjectType(returnFiber, newChild);
}
return null;
}
/**
* Warns if there is a duplicate or missing key
*/
function reconcileChildrenArray(returnFiber, currentFirstChild, newChildren, expirationTime) {
// This algorithm can't optimize by searching from both 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.
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);
!(typeof iteratorFn === 'function') ? reactProdInvariant('150') : void 0;
var newChildren = iteratorFn.call(newChildrenIterable);
!(newChildren != null) ? reactProdInvariant('151') : void 0;
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.mode, 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.elementType === element.type) {
deleteRemainingChildren(returnFiber, child.sibling);
var existing = useFiber(child, element.type === REACT_FRAGMENT_TYPE ? element.props.children : element.props, expirationTime);
existing.ref = coerceRef(returnFiber, child, element);
existing.return = returnFiber;
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.mode, expirationTime, element.key);
created.return = returnFiber;
return created;
} else {
var _created4 = createFiberFromElement(element, returnFiber.mode, expirationTime);
_created4.ref = coerceRef(returnFiber, 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.mode, 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.
var isUnkeyedTopLevelFragment = typeof newChild === 'object' && newChild !== null && newChild.type === REACT_FRAGMENT_TYPE && newChild.key === null;
if (isUnkeyedTopLevelFragment) {
newChild = newChild.props.children;
}
// Handle object types
var isObject = typeof newChild === 'object' && newChild !== null;
if (isObject) {
switch (newChild.$$typeof) {
case REACT_ELEMENT_TYPE:
return placeSingleChild(reconcileSingleElement(returnFiber, currentFirstChild, newChild, expirationTime));
case REACT_PORTAL_TYPE:
return placeSingleChild(reconcileSinglePortal(returnFiber, currentFirstChild, newChild, expirationTime));
}
}
if (typeof newChild === 'string' || typeof newChild === 'number') {
return placeSingleChild(reconcileSingleTextNode(returnFiber, currentFirstChild, '' + newChild, expirationTime));
}
if (isArray(newChild)) {
return reconcileChildrenArray(returnFiber, currentFirstChild, newChild, expirationTime);
}
if (getIteratorFn(newChild)) {
return reconcileChildrenIterator(returnFiber, currentFirstChild, newChild, expirationTime);
}
if (isObject) {
throwOnInvalidObjectType(returnFiber, newChild);
}
if (typeof newChild === 'undefined' && !isUnkeyedTopLevelFragment) {
// If the new child is undefined, and the return fiber is a composite
// component, throw an error. If Fiber return types are disabled,
// we already threw above.
switch (returnFiber.tag) {
case ClassComponent:
{
}
// Intentionally fall through to the next case, which handles both
// functions and classes
// eslint-disable-next-lined no-fallthrough
case FunctionComponent:
{
var Component = returnFiber.type;
reactProdInvariant('152', Component.displayName || Component.name || 'Component');
}
}
}
// Remaining cases are all treated as empty.
return deleteRemainingChildren(returnFiber, currentFirstChild);
}
return reconcileChildFibers;
}
var reconcileChildFibers = ChildReconciler(true);
var mountChildFibers = ChildReconciler(false);
function cloneChildFibers(current$$1, workInProgress) {
!(current$$1 === null || workInProgress.child === current$$1.child) ? reactProdInvariant('153') : void 0;
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 NO_CONTEXT = {};
var contextStackCursor$1 = createCursor(NO_CONTEXT);
var contextFiberStackCursor = createCursor(NO_CONTEXT);
var rootInstanceStackCursor = createCursor(NO_CONTEXT);
function requiredContext(c) {
!(c !== NO_CONTEXT) ? reactProdInvariant('174') : void 0;
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);
// Track the context and the Fiber that provided it.
// This enables us to pop only Fibers that provide unique contexts.
push(contextFiberStackCursor, fiber, fiber);
// Finally, we need to push the host context to the stack.
// However, we can't just call getRootHostContext() and push it because
// we'd have a different number of entries on the stack depending on
// whether getRootHostContext() throws somewhere in renderer code or not.
// So we push an empty value first. This lets us safely unwind on errors.
push(contextStackCursor$1, NO_CONTEXT, fiber);
var nextRootContext = getRootHostContext(nextRootInstance);
// Now that we know this function doesn't throw, replace it.
pop(contextStackCursor$1, fiber);
push(contextStackCursor$1, nextRootContext, fiber);
}
function popHostContainer(fiber) {
pop(contextStackCursor$1, fiber);
pop(contextFiberStackCursor, fiber);
pop(rootInstanceStackCursor, fiber);
}
function getHostContext() {
var context = requiredContext(contextStackCursor$1.current);
return context;
}
function pushHostContext(fiber) {
var rootInstance = requiredContext(rootInstanceStackCursor.current);
var context = requiredContext(contextStackCursor$1.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$1, 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$1, fiber);
pop(contextFiberStackCursor, fiber);
}
var NoEffect$1 = /* */0;
var UnmountSnapshot = /* */2;
var UnmountMutation = /* */4;
var MountMutation = /* */8;
var UnmountLayout = /* */16;
var MountLayout = /* */32;
var MountPassive = /* */64;
var UnmountPassive = /* */128;
var ReactCurrentDispatcher$1 = ReactSharedInternals.ReactCurrentDispatcher;
// These are set right before calling the component.
var renderExpirationTime = NoWork;
// The work-in-progress fiber. I've named it differently to distinguish it from
// the work-in-progress hook.
var currentlyRenderingFiber$1 = null;
// Hooks are stored as a linked list on the fiber's memoizedState field. The
// current hook list is the list that belongs to the current fiber. The
// work-in-progress hook list is a new list that will be added to the
// work-in-progress fiber.
var currentHook = null;
var nextCurrentHook = null;
var firstWorkInProgressHook = null;
var workInProgressHook = null;
var nextWorkInProgressHook = null;
var remainingExpirationTime = NoWork;
var componentUpdateQueue = null;
var sideEffectTag = 0;
// Updates scheduled during render will trigger an immediate re-render at the
// end of the current pass. We can't store these updates on the normal queue,
// because if the work is aborted, they should be discarded. Because this is
// a relatively rare case, we also don't want to add an additional field to
// either the hook or queue object types. So we store them in a lazily create
// map of queue -> render-phase updates, which are discarded once the component
// completes without re-rendering.
// Whether an update was scheduled during the currently executing render pass.
var didScheduleRenderPhaseUpdate = false;
// Lazily created map of render-phase updates
var renderPhaseUpdates = null;
// Counter to prevent infinite loops.
var numberOfReRenders = 0;
var RE_RENDER_LIMIT = 25;
function throwInvalidHookError() {
reactProdInvariant('321');
}
function areHookInputsEqual(nextDeps, prevDeps) {
if (prevDeps === null) {
return false;
}
for (var i = 0; i < prevDeps.length && i < nextDeps.length; i++) {
if (is(nextDeps[i], prevDeps[i])) {
continue;
}
return false;
}
return true;
}
function renderWithHooks(current, workInProgress, Component, props, refOrContext, nextRenderExpirationTime) {
renderExpirationTime = nextRenderExpirationTime;
currentlyRenderingFiber$1 = workInProgress;
nextCurrentHook = current !== null ? current.memoizedState : null;
{
ReactCurrentDispatcher$1.current = nextCurrentHook === null ? HooksDispatcherOnMount : HooksDispatcherOnUpdate;
}
var children = Component(props, refOrContext);
if (didScheduleRenderPhaseUpdate) {
do {
didScheduleRenderPhaseUpdate = false;
numberOfReRenders += 1;
// Start over from the beginning of the list
nextCurrentHook = current !== null ? current.memoizedState : null;
nextWorkInProgressHook = firstWorkInProgressHook;
currentHook = null;
workInProgressHook = null;
componentUpdateQueue = null;
ReactCurrentDispatcher$1.current = HooksDispatcherOnUpdate;
children = Component(props, refOrContext);
} while (didScheduleRenderPhaseUpdate);
renderPhaseUpdates = null;
numberOfReRenders = 0;
}
// We can assume the previous dispatcher is always this one, since we set it
// at the beginning of the render phase and there's no re-entrancy.
ReactCurrentDispatcher$1.current = ContextOnlyDispatcher;
var renderedWork = currentlyRenderingFiber$1;
renderedWork.memoizedState = firstWorkInProgressHook;
renderedWork.expirationTime = remainingExpirationTime;
renderedWork.updateQueue = componentUpdateQueue;
renderedWork.effectTag |= sideEffectTag;
var didRenderTooFewHooks = currentHook !== null && currentHook.next !== null;
renderExpirationTime = NoWork;
currentlyRenderingFiber$1 = null;
currentHook = null;
nextCurrentHook = null;
firstWorkInProgressHook = null;
workInProgressHook = null;
nextWorkInProgressHook = null;
remainingExpirationTime = NoWork;
componentUpdateQueue = null;
sideEffectTag = 0;
// These were reset above
// didScheduleRenderPhaseUpdate = false;
// renderPhaseUpdates = null;
// numberOfReRenders = 0;
!!didRenderTooFewHooks ? reactProdInvariant('300') : void 0;
return children;
}
function bailoutHooks(current, workInProgress, expirationTime) {
workInProgress.updateQueue = current.updateQueue;
workInProgress.effectTag &= ~(Passive | Update);
if (current.expirationTime <= expirationTime) {
current.expirationTime = NoWork;
}
}
function resetHooks() {
// We can assume the previous dispatcher is always this one, since we set it
// at the beginning of the render phase and there's no re-entrancy.
ReactCurrentDispatcher$1.current = ContextOnlyDispatcher;
// This is used to reset the state of this module when a component throws.
// It's also called inside mountIndeterminateComponent if we determine the
// component is a module-style component.
renderExpirationTime = NoWork;
currentlyRenderingFiber$1 = null;
currentHook = null;
nextCurrentHook = null;
firstWorkInProgressHook = null;
workInProgressHook = null;
nextWorkInProgressHook = null;
remainingExpirationTime = NoWork;
componentUpdateQueue = null;
sideEffectTag = 0;
didScheduleRenderPhaseUpdate = false;
renderPhaseUpdates = null;
numberOfReRenders = 0;
}
function mountWorkInProgressHook() {
var hook = {
memoizedState: null,
baseState: null,
queue: null,
baseUpdate: null,
next: null
};
if (workInProgressHook === null) {
// This is the first hook in the list
firstWorkInProgressHook = workInProgressHook = hook;
} else {
// Append to the end of the list
workInProgressHook = workInProgressHook.next = hook;
}
return workInProgressHook;
}
function updateWorkInProgressHook() {
// This function is used both for updates and for re-renders triggered by a
// render phase update. It assumes there is either a current hook we can
// clone, or a work-in-progress hook from a previous render pass that we can
// use as a base. When we reach the end of the base list, we must switch to
// the dispatcher used for mounts.
if (nextWorkInProgressHook !== null) {
// There's already a work-in-progress. Reuse it.
workInProgressHook = nextWorkInProgressHook;
nextWorkInProgressHook = workInProgressHook.next;
currentHook = nextCurrentHook;
nextCurrentHook = currentHook !== null ? currentHook.next : null;
} else {
// Clone from the current hook.
!(nextCurrentHook !== null) ? reactProdInvariant('310') : void 0;
currentHook = nextCurrentHook;
var newHook = {
memoizedState: currentHook.memoizedState,
baseState: currentHook.baseState,
queue: currentHook.queue,
baseUpdate: currentHook.baseUpdate,
next: null
};
if (workInProgressHook === null) {
// This is the first hook in the list.
workInProgressHook = firstWorkInProgressHook = newHook;
} else {
// Append to the end of the list.
workInProgressHook = workInProgressHook.next = newHook;
}
nextCurrentHook = currentHook.next;
}
return workInProgressHook;
}
function createFunctionComponentUpdateQueue() {
return {
lastEffect: null
};
}
function basicStateReducer(state, action) {
return typeof action === 'function' ? action(state) : action;
}
function mountReducer(reducer, initialArg, init) {
var hook = mountWorkInProgressHook();
var initialState = void 0;
if (init !== undefined) {
initialState = init(initialArg);
} else {
initialState = initialArg;
}
hook.memoizedState = hook.baseState = initialState;
var queue = hook.queue = {
last: null,
dispatch: null,
lastRenderedReducer: reducer,
lastRenderedState: initialState
};
var dispatch = queue.dispatch = dispatchAction.bind(null,
// Flow doesn't know this is non-null, but we do.
currentlyRenderingFiber$1, queue);
return [hook.memoizedState, dispatch];
}
function updateReducer(reducer, initialArg, init) {
var hook = updateWorkInProgressHook();
var queue = hook.queue;
!(queue !== null) ? reactProdInvariant('311') : void 0;
queue.lastRenderedReducer = reducer;
if (numberOfReRenders > 0) {
// This is a re-render. Apply the new render phase updates to the previous
var _dispatch = queue.dispatch;
if (renderPhaseUpdates !== null) {
// Render phase updates are stored in a map of queue -> linked list
var firstRenderPhaseUpdate = renderPhaseUpdates.get(queue);
if (firstRenderPhaseUpdate !== undefined) {
renderPhaseUpdates.delete(queue);
var newState = hook.memoizedState;
var update = firstRenderPhaseUpdate;
do {
// Process this render phase update. We don't have to check the
// priority because it will always be the same as the current
// render's.
var _action = update.action;
newState = reducer(newState, _action);
update = update.next;
} while (update !== null);
// Mark that the fiber performed work, but only if the new state is
// different from the current state.
if (!is(newState, hook.memoizedState)) {
markWorkInProgressReceivedUpdate();
}
hook.memoizedState = newState;
// Don't persist the state accumlated from the render phase updates to
// the base state unless the queue is empty.
// TODO: Not sure if this is the desired semantics, but it's what we
// do for gDSFP. I can't remember why.
if (hook.baseUpdate === queue.last) {
hook.baseState = newState;
}
queue.lastRenderedState = newState;
return [newState, _dispatch];
}
}
return [hook.memoizedState, _dispatch];
}
// The last update in the entire queue
var last = queue.last;
// The last update that is part of the base state.
var baseUpdate = hook.baseUpdate;
var baseState = hook.baseState;
// Find the first unprocessed update.
var first = void 0;
if (baseUpdate !== null) {
if (last !== null) {
// For the first update, the queue is a circular linked list where
// `queue.last.next = queue.first`. Once the first update commits, and
// the `baseUpdate` is no longer empty, we can unravel the list.
last.next = null;
}
first = baseUpdate.next;
} else {
first = last !== null ? last.next : null;
}
if (first !== null) {
var _newState = baseState;
var newBaseState = null;
var newBaseUpdate = null;
var prevUpdate = baseUpdate;
var _update = first;
var didSkip = false;
do {
var updateExpirationTime = _update.expirationTime;
if (updateExpirationTime < renderExpirationTime) {
// Priority is insufficient. Skip this update. If this is the first
// skipped update, the previous update/state is the new base
// update/state.
if (!didSkip) {
didSkip = true;
newBaseUpdate = prevUpdate;
newBaseState = _newState;
}
// Update the remaining priority in the queue.
if (updateExpirationTime > remainingExpirationTime) {
remainingExpirationTime = updateExpirationTime;
}
} else {
// Process this update.
if (_update.eagerReducer === reducer) {
// If this update was processed eagerly, and its reducer matches the
// current reducer, we can use the eagerly computed state.
_newState = _update.eagerState;
} else {
var _action2 = _update.action;
_newState = reducer(_newState, _action2);
}
}
prevUpdate = _update;
_update = _update.next;
} while (_update !== null && _update !== first);
if (!didSkip) {
newBaseUpdate = prevUpdate;
newBaseState = _newState;
}
// Mark that the fiber performed work, but only if the new state is
// different from the current state.
if (!is(_newState, hook.memoizedState)) {
markWorkInProgressReceivedUpdate();
}
hook.memoizedState = _newState;
hook.baseUpdate = newBaseUpdate;
hook.baseState = newBaseState;
queue.lastRenderedState = _newState;
}
var dispatch = queue.dispatch;
return [hook.memoizedState, dispatch];
}
function mountState(initialState) {
var hook = mountWorkInProgressHook();
if (typeof initialState === 'function') {
initialState = initialState();
}
hook.memoizedState = hook.baseState = initialState;
var queue = hook.queue = {
last: null,
dispatch: null,
lastRenderedReducer: basicStateReducer,
lastRenderedState: initialState
};
var dispatch = queue.dispatch = dispatchAction.bind(null,
// Flow doesn't know this is non-null, but we do.
currentlyRenderingFiber$1, queue);
return [hook.memoizedState, dispatch];
}
function updateState(initialState) {
return updateReducer(basicStateReducer, initialState);
}
function pushEffect(tag, create, destroy, deps) {
var effect = {
tag: tag,
create: create,
destroy: destroy,
deps: deps,
// Circular
next: null
};
if (componentUpdateQueue === null) {
componentUpdateQueue = createFunctionComponentUpdateQueue();
componentUpdateQueue.lastEffect = effect.next = effect;
} else {
var _lastEffect = componentUpdateQueue.lastEffect;
if (_lastEffect === null) {
componentUpdateQueue.lastEffect = effect.next = effect;
} else {
var firstEffect = _lastEffect.next;
_lastEffect.next = effect;
effect.next = firstEffect;
componentUpdateQueue.lastEffect = effect;
}
}
return effect;
}
function mountRef(initialValue) {
var hook = mountWorkInProgressHook();
var ref = { current: initialValue };
hook.memoizedState = ref;
return ref;
}
function updateRef(initialValue) {
var hook = updateWorkInProgressHook();
return hook.memoizedState;
}
function mountEffectImpl(fiberEffectTag, hookEffectTag, create, deps) {
var hook = mountWorkInProgressHook();
var nextDeps = deps === undefined ? null : deps;
sideEffectTag |= fiberEffectTag;
hook.memoizedState = pushEffect(hookEffectTag, create, undefined, nextDeps);
}
function updateEffectImpl(fiberEffectTag, hookEffectTag, create, deps) {
var hook = updateWorkInProgressHook();
var nextDeps = deps === undefined ? null : deps;
var destroy = undefined;
if (currentHook !== null) {
var prevEffect = currentHook.memoizedState;
destroy = prevEffect.destroy;
if (nextDeps !== null) {
var prevDeps = prevEffect.deps;
if (areHookInputsEqual(nextDeps, prevDeps)) {
pushEffect(NoEffect$1, create, destroy, nextDeps);
return;
}
}
}
sideEffectTag |= fiberEffectTag;
hook.memoizedState = pushEffect(hookEffectTag, create, destroy, nextDeps);
}
function mountEffect(create, deps) {
return mountEffectImpl(Update | Passive, UnmountPassive | MountPassive, create, deps);
}
function updateEffect(create, deps) {
return updateEffectImpl(Update | Passive, UnmountPassive | MountPassive, create, deps);
}
function mountLayoutEffect(create, deps) {
return mountEffectImpl(Update, UnmountMutation | MountLayout, create, deps);
}
function updateLayoutEffect(create, deps) {
return updateEffectImpl(Update, UnmountMutation | MountLayout, create, deps);
}
function imperativeHandleEffect(create, ref) {
if (typeof ref === 'function') {
var refCallback = ref;
var _inst = create();
refCallback(_inst);
return function () {
refCallback(null);
};
} else if (ref !== null && ref !== undefined) {
var refObject = ref;
var _inst2 = create();
refObject.current = _inst2;
return function () {
refObject.current = null;
};
}
}
function mountImperativeHandle(ref, create, deps) {
var effectDeps = deps !== null && deps !== undefined ? deps.concat([ref]) : null;
return mountEffectImpl(Update, UnmountMutation | MountLayout, imperativeHandleEffect.bind(null, create, ref), effectDeps);
}
function updateImperativeHandle(ref, create, deps) {
var effectDeps = deps !== null && deps !== undefined ? deps.concat([ref]) : null;
return updateEffectImpl(Update, UnmountMutation | MountLayout, imperativeHandleEffect.bind(null, create, ref), effectDeps);
}
function mountDebugValue(value, formatterFn) {
// This hook is normally a no-op.
// The react-debug-hooks package injects its own implementation
// so that e.g. DevTools can display custom hook values.
}
var updateDebugValue = mountDebugValue;
function mountCallback(callback, deps) {
var hook = mountWorkInProgressHook();
var nextDeps = deps === undefined ? null : deps;
hook.memoizedState = [callback, nextDeps];
return callback;
}
function updateCallback(callback, deps) {
var hook = updateWorkInProgressHook();
var nextDeps = deps === undefined ? null : deps;
var prevState = hook.memoizedState;
if (prevState !== null) {
if (nextDeps !== null) {
var prevDeps = prevState[1];
if (areHookInputsEqual(nextDeps, prevDeps)) {
return prevState[0];
}
}
}
hook.memoizedState = [callback, nextDeps];
return callback;
}
function mountMemo(nextCreate, deps) {
var hook = mountWorkInProgressHook();
var nextDeps = deps === undefined ? null : deps;
var nextValue = nextCreate();
hook.memoizedState = [nextValue, nextDeps];
return nextValue;
}
function updateMemo(nextCreate, deps) {
var hook = updateWorkInProgressHook();
var nextDeps = deps === undefined ? null : deps;
var prevState = hook.memoizedState;
if (prevState !== null) {
// Assume these are defined. If they're not, areHookInputsEqual will warn.
if (nextDeps !== null) {
var prevDeps = prevState[1];
if (areHookInputsEqual(nextDeps, prevDeps)) {
return prevState[0];
}
}
}
var nextValue = nextCreate();
hook.memoizedState = [nextValue, nextDeps];
return nextValue;
}
function dispatchAction(fiber, queue, action) {
!(numberOfReRenders < RE_RENDER_LIMIT) ? reactProdInvariant('301') : void 0;
var alternate = fiber.alternate;
if (fiber === currentlyRenderingFiber$1 || alternate !== null && alternate === currentlyRenderingFiber$1) {
// This is a render phase update. Stash it in a lazily-created map of
// queue -> linked list of updates. After this render pass, we'll restart
// and apply the stashed updates on top of the work-in-progress hook.
didScheduleRenderPhaseUpdate = true;
var update = {
expirationTime: renderExpirationTime,
action: action,
eagerReducer: null,
eagerState: null,
next: null
};
if (renderPhaseUpdates === null) {
renderPhaseUpdates = new Map();
}
var firstRenderPhaseUpdate = renderPhaseUpdates.get(queue);
if (firstRenderPhaseUpdate === undefined) {
renderPhaseUpdates.set(queue, update);
} else {
// Append the update to the end of the list.
var lastRenderPhaseUpdate = firstRenderPhaseUpdate;
while (lastRenderPhaseUpdate.next !== null) {
lastRenderPhaseUpdate = lastRenderPhaseUpdate.next;
}
lastRenderPhaseUpdate.next = update;
}
} else {
flushPassiveEffects();
var currentTime = requestCurrentTime();
var _expirationTime = computeExpirationForFiber(currentTime, fiber);
var _update2 = {
expirationTime: _expirationTime,
action: action,
eagerReducer: null,
eagerState: null,
next: null
};
// Append the update to the end of the list.
var _last = queue.last;
if (_last === null) {
// This is the first update. Create a circular list.
_update2.next = _update2;
} else {
var first = _last.next;
if (first !== null) {
// Still circular.
_update2.next = first;
}
_last.next = _update2;
}
queue.last = _update2;
if (fiber.expirationTime === NoWork && (alternate === null || alternate.expirationTime === NoWork)) {
// The queue is currently empty, which means we can eagerly compute the
// next state before entering the render phase. If the new state is the
// same as the current state, we may be able to bail out entirely.
var _lastRenderedReducer = queue.lastRenderedReducer;
if (_lastRenderedReducer !== null) {
try {
var currentState = queue.lastRenderedState;
var _eagerState = _lastRenderedReducer(currentState, action);
// Stash the eagerly computed state, and the reducer used to compute
// it, on the update object. If the reducer hasn't changed by the
// time we enter the render phase, then the eager state can be used
// without calling the reducer again.
_update2.eagerReducer = _lastRenderedReducer;
_update2.eagerState = _eagerState;
if (is(_eagerState, currentState)) {
// Fast path. We can bail out without scheduling React to re-render.
// It's still possible that we'll need to rebase this update later,
// if the component re-renders for a different reason and by that
// time the reducer has changed.
return;
}
} catch (error) {
// Suppress the error. It will throw again in the render phase.
} finally {
}
}
}
scheduleWork(fiber, _expirationTime);
}
}
var ContextOnlyDispatcher = {
readContext: readContext,
useCallback: throwInvalidHookError,
useContext: throwInvalidHookError,
useEffect: throwInvalidHookError,
useImperativeHandle: throwInvalidHookError,
useLayoutEffect: throwInvalidHookError,
useMemo: throwInvalidHookError,
useReducer: throwInvalidHookError,
useRef: throwInvalidHookError,
useState: throwInvalidHookError,
useDebugValue: throwInvalidHookError
};
var HooksDispatcherOnMount = {
readContext: readContext,
useCallback: mountCallback,
useContext: readContext,
useEffect: mountEffect,
useImperativeHandle: mountImperativeHandle,
useLayoutEffect: mountLayoutEffect,
useMemo: mountMemo,
useReducer: mountReducer,
useRef: mountRef,
useState: mountState,
useDebugValue: mountDebugValue
};
var HooksDispatcherOnUpdate = {
readContext: readContext,
useCallback: updateCallback,
useContext: readContext,
useEffect: updateEffect,
useImperativeHandle: updateImperativeHandle,
useLayoutEffect: updateLayoutEffect,
useMemo: updateMemo,
useReducer: updateReducer,
useRef: updateRef,
useState: updateState,
useDebugValue: updateDebugValue
};
var commitTime = 0;
var profilerStartTime = -1;
function getCommitTime() {
return commitTime;
}
function recordCommitTime() {
if (!enableProfilerTimer) {
return;
}
commitTime = unstable_now();
}
function startProfilerTimer(fiber) {
if (!enableProfilerTimer) {
return;
}
profilerStartTime = unstable_now();
if (fiber.actualStartTime < 0) {
fiber.actualStartTime = unstable_now();
}
}
function stopProfilerTimerIfRunning(fiber) {
if (!enableProfilerTimer) {
return;
}
profilerStartTime = -1;
}
function stopProfilerTimerIfRunningAndRecordDelta(fiber, overrideBaseTime) {
if (!enableProfilerTimer) {
return;
}
if (profilerStartTime >= 0) {
var elapsedTime = unstable_now() - profilerStartTime;
fiber.actualDuration += elapsedTime;
if (overrideBaseTime) {
fiber.selfBaseDuration = elapsedTime;
}
profilerStartTime = -1;
}
}
// 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) {
if (!supportsHydration) {
return false;
}
var parentInstance = fiber.stateNode.containerInfo;
nextHydratableInstance = getFirstHydratableChild(parentInstance);
hydrationParentFiber = fiber;
isHydrating = true;
return true;
}
function reenterHydrationStateFromDehydratedSuspenseInstance(fiber) {
if (!supportsHydration) {
return false;
}
var suspenseInstance = fiber.stateNode;
nextHydratableInstance = getNextHydratableSibling(suspenseInstance);
popToNextHostParent(fiber);
isHydrating = true;
return true;
}
function deleteHydratableInstance(returnFiber, instance) {
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;
}
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;
}
case SuspenseComponent:
{
if (enableSuspenseServerRenderer) {
var suspenseInstance = canHydrateSuspenseInstance(nextInstance);
if (suspenseInstance !== null) {
// Downgrade the tag to a dehydrated component until we've hydrated it.
fiber.tag = DehydratedSuspenseComponent;
fiber.stateNode = suspenseInstance;
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;
}
var firstAttemptedInstance = nextInstance;
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(firstAttemptedInstance);
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, firstAttemptedInstance);
}
hydrationParentFiber = fiber;
nextHydratableInstance = getFirstHydratableChild(nextInstance);
}
function prepareToHydrateHostInstance(fiber, rootContainerInstance, hostContext) {
if (!supportsHydration) {
reactProdInvariant('175');
}
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) {
if (!supportsHydration) {
reactProdInvariant('176');
}
var textInstance = fiber.stateNode;
var textContent = fiber.memoizedProps;
var shouldUpdate = hydrateTextInstance(textInstance, textContent, fiber);
return shouldUpdate;
}
function skipPastDehydratedSuspenseInstance(fiber) {
if (!supportsHydration) {
reactProdInvariant('316');
}
var suspenseInstance = fiber.stateNode;
!suspenseInstance ? reactProdInvariant('317') : void 0;
nextHydratableInstance = getNextHydratableInstanceAfterSuspenseInstance(suspenseInstance);
}
function popToNextHostParent(fiber) {
var parent = fiber.return;
while (parent !== null && parent.tag !== HostComponent && parent.tag !== HostRoot && parent.tag !== DehydratedSuspenseComponent) {
parent = parent.return;
}
hydrationParentFiber = parent;
}
function popHydrationState(fiber) {
if (!supportsHydration) {
return false;
}
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() {
if (!supportsHydration) {
return;
}
hydrationParentFiber = null;
nextHydratableInstance = null;
isHydrating = false;
}
var ReactCurrentOwner$3 = ReactSharedInternals.ReactCurrentOwner;
var didReceiveUpdate = false;
function reconcileChildren(current$$1, workInProgress, nextChildren, renderExpirationTime) {
if (current$$1 === 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$$1.child, nextChildren, renderExpirationTime);
}
}
function forceUnmountCurrentAndReconcile(current$$1, workInProgress, nextChildren, renderExpirationTime) {
// This function is fork of reconcileChildren. It's used in cases where we
// want to reconcile without matching against the existing set. This has the
// effect of all current children being unmounted; even if the type and key
// are the same, the old child is unmounted and a new child is created.
//
// To do this, we're going to go through the reconcile algorithm twice. In
// the first pass, we schedule a deletion for all the current children by
// passing null.
workInProgress.child = reconcileChildFibers(workInProgress, current$$1.child, null, renderExpirationTime);
// In the second pass, we mount the new children. The trick here is that we
// pass null in place of where we usually pass the current child set. This has
// the effect of remounting all children regardless of whether their their
// identity matches.
workInProgress.child = reconcileChildFibers(workInProgress, null, nextChildren, renderExpirationTime);
}
function updateForwardRef(current$$1, workInProgress, Component, nextProps, renderExpirationTime) {
// TODO: current can be non-null here even if the component
// hasn't yet mounted. This happens after the first render suspends.
// We'll need to figure out if this is fine or can cause issues.
var render = Component.render;
var ref = workInProgress.ref;
// The rest is a fork of updateFunctionComponent
var nextChildren = void 0;
prepareToReadContext(workInProgress, renderExpirationTime);
{
nextChildren = renderWithHooks(current$$1, workInProgress, render, nextProps, ref, renderExpirationTime);
}
if (current$$1 !== null && !didReceiveUpdate) {
bailoutHooks(current$$1, workInProgress, renderExpirationTime);
return bailoutOnAlreadyFinishedWork(current$$1, workInProgress, renderExpirationTime);
}
// React DevTools reads this flag.
workInProgress.effectTag |= PerformedWork;
reconcileChildren(current$$1, workInProgress, nextChildren, renderExpirationTime);
return workInProgress.child;
}
function updateMemoComponent(current$$1, workInProgress, Component, nextProps, updateExpirationTime, renderExpirationTime) {
if (current$$1 === null) {
var type = Component.type;
if (isSimpleFunctionComponent(type) && Component.compare === null &&
// SimpleMemoComponent codepath doesn't resolve outer props either.
Component.defaultProps === undefined) {
// If this is a plain function component without default props,
// and with only the default shallow comparison, we upgrade it
// to a SimpleMemoComponent to allow fast path updates.
workInProgress.tag = SimpleMemoComponent;
workInProgress.type = type;
return updateSimpleMemoComponent(current$$1, workInProgress, type, nextProps, updateExpirationTime, renderExpirationTime);
}
var child = createFiberFromTypeAndProps(Component.type, null, nextProps, null, workInProgress.mode, renderExpirationTime);
child.ref = workInProgress.ref;
child.return = workInProgress;
workInProgress.child = child;
return child;
}
var currentChild = current$$1.child; // This is always exactly one child
if (updateExpirationTime < renderExpirationTime) {
// This will be the props with resolved defaultProps,
// unlike current.memoizedProps which will be the unresolved ones.
var prevProps = currentChild.memoizedProps;
// Default to shallow comparison
var compare = Component.compare;
compare = compare !== null ? compare : shallowEqual;
if (compare(prevProps, nextProps) && current$$1.ref === workInProgress.ref) {
return bailoutOnAlreadyFinishedWork(current$$1, workInProgress, renderExpirationTime);
}
}
// React DevTools reads this flag.
workInProgress.effectTag |= PerformedWork;
var newChild = createWorkInProgress(currentChild, nextProps, renderExpirationTime);
newChild.ref = workInProgress.ref;
newChild.return = workInProgress;
workInProgress.child = newChild;
return newChild;
}
function updateSimpleMemoComponent(current$$1, workInProgress, Component, nextProps, updateExpirationTime, renderExpirationTime) {
// TODO: current can be non-null here even if the component
// hasn't yet mounted. This happens when the inner render suspends.
// We'll need to figure out if this is fine or can cause issues.
if (current$$1 !== null) {
var prevProps = current$$1.memoizedProps;
if (shallowEqual(prevProps, nextProps) && current$$1.ref === workInProgress.ref) {
didReceiveUpdate = false;
if (updateExpirationTime < renderExpirationTime) {
return bailoutOnAlreadyFinishedWork(current$$1, workInProgress, renderExpirationTime);
}
}
}
return updateFunctionComponent(current$$1, workInProgress, Component, nextProps, renderExpirationTime);
}
function updateFragment(current$$1, workInProgress, renderExpirationTime) {
var nextChildren = workInProgress.pendingProps;
reconcileChildren(current$$1, workInProgress, nextChildren, renderExpirationTime);
return workInProgress.child;
}
function updateMode(current$$1, workInProgress, renderExpirationTime) {
var nextChildren = workInProgress.pendingProps.children;
reconcileChildren(current$$1, workInProgress, nextChildren, renderExpirationTime);
return workInProgress.child;
}
function updateProfiler(current$$1, workInProgress, renderExpirationTime) {
if (enableProfilerTimer) {
workInProgress.effectTag |= Update;
}
var nextProps = workInProgress.pendingProps;
var nextChildren = nextProps.children;
reconcileChildren(current$$1, workInProgress, nextChildren, renderExpirationTime);
return workInProgress.child;
}
function markRef(current$$1, workInProgress) {
var ref = workInProgress.ref;
if (current$$1 === null && ref !== null || current$$1 !== null && current$$1.ref !== ref) {
// Schedule a Ref effect
workInProgress.effectTag |= Ref;
}
}
function updateFunctionComponent(current$$1, workInProgress, Component, nextProps, renderExpirationTime) {
var unmaskedContext = getUnmaskedContext(workInProgress, Component, true);
var context = getMaskedContext(workInProgress, unmaskedContext);
var nextChildren = void 0;
prepareToReadContext(workInProgress, renderExpirationTime);
{
nextChildren = renderWithHooks(current$$1, workInProgress, Component, nextProps, context, renderExpirationTime);
}
if (current$$1 !== null && !didReceiveUpdate) {
bailoutHooks(current$$1, workInProgress, renderExpirationTime);
return bailoutOnAlreadyFinishedWork(current$$1, workInProgress, renderExpirationTime);
}
// React DevTools reads this flag.
workInProgress.effectTag |= PerformedWork;
reconcileChildren(current$$1, workInProgress, nextChildren, renderExpirationTime);
return workInProgress.child;
}
function updateClassComponent(current$$1, workInProgress, Component, nextProps, renderExpirationTime) {
var hasContext = void 0;
if (isContextProvider(Component)) {
hasContext = true;
pushContextProvider(workInProgress);
} else {
hasContext = false;
}
prepareToReadContext(workInProgress, renderExpirationTime);
var instance = workInProgress.stateNode;
var shouldUpdate = void 0;
if (instance === null) {
if (current$$1 !== null) {
// An class component without an instance only mounts if it suspended
// inside a non- concurrent tree, in an inconsistent state. We want to
// tree it like a new mount, even though an empty version of it already
// committed. Disconnect the alternate pointers.
current$$1.alternate = null;
workInProgress.alternate = null;
// Since this is conceptually a new fiber, schedule a Placement effect
workInProgress.effectTag |= Placement;
}
// In the initial pass we might need to construct the instance.
constructClassInstance(workInProgress, Component, nextProps, renderExpirationTime);
mountClassInstance(workInProgress, Component, nextProps, renderExpirationTime);
shouldUpdate = true;
} else if (current$$1 === null) {
// In a resume, we'll already have an instance we can reuse.
shouldUpdate = resumeMountClassInstance(workInProgress, Component, nextProps, renderExpirationTime);
} else {
shouldUpdate = updateClassInstance(current$$1, workInProgress, Component, nextProps, renderExpirationTime);
}
var nextUnitOfWork = finishClassComponent(current$$1, workInProgress, Component, shouldUpdate, hasContext, renderExpirationTime);
return nextUnitOfWork;
}
function finishClassComponent(current$$1, workInProgress, Component, shouldUpdate, hasContext, renderExpirationTime) {
// Refs should update even if shouldComponentUpdate returns false
markRef(current$$1, workInProgress);
var didCaptureError = (workInProgress.effectTag & DidCapture) !== NoEffect;
if (!shouldUpdate && !didCaptureError) {
// Context providers should defer to sCU for rendering
if (hasContext) {
invalidateContextProvider(workInProgress, Component, false);
}
return bailoutOnAlreadyFinishedWork(current$$1, workInProgress, renderExpirationTime);
}
var instance = workInProgress.stateNode;
// Rerender
ReactCurrentOwner$3.current = workInProgress;
var nextChildren = void 0;
if (didCaptureError && typeof Component.getDerivedStateFromError !== 'function') {
// If we captured an error, but getDerivedStateFrom catch is not defined,
// unmount all the children. componentDidCatch will schedule an update to
// re-render a fallback. This is temporary until we migrate everyone to
// the new API.
// TODO: Warn in a future release.
nextChildren = null;
if (enableProfilerTimer) {
stopProfilerTimerIfRunning(workInProgress);
}
} else {
{
nextChildren = instance.render();
}
}
// React DevTools reads this flag.
workInProgress.effectTag |= PerformedWork;
if (current$$1 !== null && didCaptureError) {
// If we're recovering from an error, reconcile without reusing any of
// the existing children. Conceptually, the normal children and the children
// that are shown on error are two different sets, so we shouldn't reuse
// normal children even if their identities match.
forceUnmountCurrentAndReconcile(current$$1, workInProgress, nextChildren, renderExpirationTime);
} else {
reconcileChildren(current$$1, workInProgress, nextChildren, renderExpirationTime);
}
// Memoize state using the values we just used to render.
// TODO: Restructure so we never read values from the instance.
workInProgress.memoizedState = instance.state;
// The context might have changed so we need to recalculate it.
if (hasContext) {
invalidateContextProvider(workInProgress, Component, true);
}
return workInProgress.child;
}
function pushHostRootContext(workInProgress) {
var root = workInProgress.stateNode;
if (root.pendingContext) {
pushTopLevelContextObject(workInProgress, root.pendingContext, root.pendingContext !== root.context); | | |
