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Diffstat (limited to 'node_modules/react-dom/lib/ReactUpdates.js')
| -rw-r--r-- | node_modules/react-dom/lib/ReactUpdates.js | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/node_modules/react-dom/lib/ReactUpdates.js b/node_modules/react-dom/lib/ReactUpdates.js deleted file mode 100644 index 42f4a7038..000000000 --- a/node_modules/react-dom/lib/ReactUpdates.js +++ /dev/null @@ -1,250 +0,0 @@ -/** - * Copyright 2013-present, Facebook, Inc. - * All rights reserved. - * - * This source code is licensed under the BSD-style license found in the - * LICENSE file in the root directory of this source tree. An additional grant - * of patent rights can be found in the PATENTS file in the same directory. - * - */ - -'use strict'; - -var _prodInvariant = require('./reactProdInvariant'), - _assign = require('object-assign'); - -var CallbackQueue = require('./CallbackQueue'); -var PooledClass = require('./PooledClass'); -var ReactFeatureFlags = require('./ReactFeatureFlags'); -var ReactReconciler = require('./ReactReconciler'); -var Transaction = require('./Transaction'); - -var invariant = require('fbjs/lib/invariant'); - -var dirtyComponents = []; -var updateBatchNumber = 0; -var asapCallbackQueue = CallbackQueue.getPooled(); -var asapEnqueued = false; - -var batchingStrategy = null; - -function ensureInjected() { - !(ReactUpdates.ReactReconcileTransaction && batchingStrategy) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'ReactUpdates: must inject a reconcile transaction class and batching strategy') : _prodInvariant('123') : void 0; -} - -var NESTED_UPDATES = { - initialize: function () { - this.dirtyComponentsLength = dirtyComponents.length; - }, - close: function () { - if (this.dirtyComponentsLength !== dirtyComponents.length) { - // Additional updates were enqueued by componentDidUpdate handlers or - // similar; before our own UPDATE_QUEUEING wrapper closes, we want to run - // these new updates so that if A's componentDidUpdate calls setState on - // B, B will update before the callback A's updater provided when calling - // setState. - dirtyComponents.splice(0, this.dirtyComponentsLength); - flushBatchedUpdates(); - } else { - dirtyComponents.length = 0; - } - } -}; - -var UPDATE_QUEUEING = { - initialize: function () { - this.callbackQueue.reset(); - }, - close: function () { - this.callbackQueue.notifyAll(); - } -}; - -var TRANSACTION_WRAPPERS = [NESTED_UPDATES, UPDATE_QUEUEING]; - -function ReactUpdatesFlushTransaction() { - this.reinitializeTransaction(); - this.dirtyComponentsLength = null; - this.callbackQueue = CallbackQueue.getPooled(); - this.reconcileTransaction = ReactUpdates.ReactReconcileTransaction.getPooled( - /* useCreateElement */true); -} - -_assign(ReactUpdatesFlushTransaction.prototype, Transaction, { - getTransactionWrappers: function () { - return TRANSACTION_WRAPPERS; - }, - - destructor: function () { - this.dirtyComponentsLength = null; - CallbackQueue.release(this.callbackQueue); - this.callbackQueue = null; - ReactUpdates.ReactReconcileTransaction.release(this.reconcileTransaction); - this.reconcileTransaction = null; - }, - - perform: function (method, scope, a) { - // Essentially calls `this.reconcileTransaction.perform(method, scope, a)` - // with this transaction's wrappers around it. - return Transaction.perform.call(this, this.reconcileTransaction.perform, this.reconcileTransaction, method, scope, a); - } -}); - -PooledClass.addPoolingTo(ReactUpdatesFlushTransaction); - -function batchedUpdates(callback, a, b, c, d, e) { - ensureInjected(); - return batchingStrategy.batchedUpdates(callback, a, b, c, d, e); -} - -/** - * Array comparator for ReactComponents by mount ordering. - * - * @param {ReactComponent} c1 first component you're comparing - * @param {ReactComponent} c2 second component you're comparing - * @return {number} Return value usable by Array.prototype.sort(). - */ -function mountOrderComparator(c1, c2) { - return c1._mountOrder - c2._mountOrder; -} - -function runBatchedUpdates(transaction) { - var len = transaction.dirtyComponentsLength; - !(len === dirtyComponents.length) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Expected flush transaction\'s stored dirty-components length (%s) to match dirty-components array length (%s).', len, dirtyComponents.length) : _prodInvariant('124', len, dirtyComponents.length) : void 0; - - // Since reconciling a component higher in the owner hierarchy usually (not - // always -- see shouldComponentUpdate()) will reconcile children, reconcile - // them before their children by sorting the array. - dirtyComponents.sort(mountOrderComparator); - - // Any updates enqueued while reconciling must be performed after this entire - // batch. Otherwise, if dirtyComponents is [A, B] where A has children B and - // C, B could update twice in a single batch if C's render enqueues an update - // to B (since B would have already updated, we should skip it, and the only - // way we can know to do so is by checking the batch counter). - updateBatchNumber++; - - for (var i = 0; i < len; i++) { - // If a component is unmounted before pending changes apply, it will still - // be here, but we assume that it has cleared its _pendingCallbacks and - // that performUpdateIfNecessary is a noop. - var component = dirtyComponents[i]; - - // If performUpdateIfNecessary happens to enqueue any new updates, we - // shouldn't execute the callbacks until the next render happens, so - // stash the callbacks first - var callbacks = component._pendingCallbacks; - component._pendingCallbacks = null; - - var markerName; - if (ReactFeatureFlags.logTopLevelRenders) { - var namedComponent = component; - // Duck type TopLevelWrapper. This is probably always true. - if (component._currentElement.type.isReactTopLevelWrapper) { - namedComponent = component._renderedComponent; - } - markerName = 'React update: ' + namedComponent.getName(); - console.time(markerName); - } - - ReactReconciler.performUpdateIfNecessary(component, transaction.reconcileTransaction, updateBatchNumber); - - if (markerName) { - console.timeEnd(markerName); - } - - if (callbacks) { - for (var j = 0; j < callbacks.length; j++) { - transaction.callbackQueue.enqueue(callbacks[j], component.getPublicInstance()); - } - } - } -} - -var flushBatchedUpdates = function () { - // ReactUpdatesFlushTransaction's wrappers will clear the dirtyComponents - // array and perform any updates enqueued by mount-ready handlers (i.e., - // componentDidUpdate) but we need to check here too in order to catch - // updates enqueued by setState callbacks and asap calls. - while (dirtyComponents.length || asapEnqueued) { - if (dirtyComponents.length) { - var transaction = ReactUpdatesFlushTransaction.getPooled(); - transaction.perform(runBatchedUpdates, null, transaction); - ReactUpdatesFlushTransaction.release(transaction); - } - - if (asapEnqueued) { - asapEnqueued = false; - var queue = asapCallbackQueue; - asapCallbackQueue = CallbackQueue.getPooled(); - queue.notifyAll(); - CallbackQueue.release(queue); - } - } -}; - -/** - * Mark a component as needing a rerender, adding an optional callback to a - * list of functions which will be executed once the rerender occurs. - */ -function enqueueUpdate(component) { - ensureInjected(); - - // Various parts of our code (such as ReactCompositeComponent's - // _renderValidatedComponent) assume that calls to render aren't nested; - // verify that that's the case. (This is called by each top-level update - // function, like setState, forceUpdate, etc.; creation and - // destruction of top-level components is guarded in ReactMount.) - - if (!batchingStrategy.isBatchingUpdates) { - batchingStrategy.batchedUpdates(enqueueUpdate, component); - return; - } - - dirtyComponents.push(component); - if (component._updateBatchNumber == null) { - component._updateBatchNumber = updateBatchNumber + 1; - } -} - -/** - * Enqueue a callback to be run at the end of the current batching cycle. Throws - * if no updates are currently being performed. - */ -function asap(callback, context) { - !batchingStrategy.isBatchingUpdates ? process.env.NODE_ENV !== 'production' ? invariant(false, 'ReactUpdates.asap: Can\'t enqueue an asap callback in a context whereupdates are not being batched.') : _prodInvariant('125') : void 0; - asapCallbackQueue.enqueue(callback, context); - asapEnqueued = true; -} - -var ReactUpdatesInjection = { - injectReconcileTransaction: function (ReconcileTransaction) { - !ReconcileTransaction ? process.env.NODE_ENV !== 'production' ? invariant(false, 'ReactUpdates: must provide a reconcile transaction class') : _prodInvariant('126') : void 0; - ReactUpdates.ReactReconcileTransaction = ReconcileTransaction; - }, - - injectBatchingStrategy: function (_batchingStrategy) { - !_batchingStrategy ? process.env.NODE_ENV !== 'production' ? invariant(false, 'ReactUpdates: must provide a batching strategy') : _prodInvariant('127') : void 0; - !(typeof _batchingStrategy.batchedUpdates === 'function') ? process.env.NODE_ENV !== 'production' ? invariant(false, 'ReactUpdates: must provide a batchedUpdates() function') : _prodInvariant('128') : void 0; - !(typeof _batchingStrategy.isBatchingUpdates === 'boolean') ? process.env.NODE_ENV !== 'production' ? invariant(false, 'ReactUpdates: must provide an isBatchingUpdates boolean attribute') : _prodInvariant('129') : void 0; - batchingStrategy = _batchingStrategy; - } -}; - -var ReactUpdates = { - /** - * React references `ReactReconcileTransaction` using this property in order - * to allow dependency injection. - * - * @internal - */ - ReactReconcileTransaction: null, - - batchedUpdates: batchedUpdates, - enqueueUpdate: enqueueUpdate, - flushBatchedUpdates: flushBatchedUpdates, - injection: ReactUpdatesInjection, - asap: asap -}; - -module.exports = ReactUpdates;
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