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Diffstat (limited to 'node_modules/react-dom/lib/ReactReconciler.js')
-rw-r--r-- | node_modules/react-dom/lib/ReactReconciler.js | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/node_modules/react-dom/lib/ReactReconciler.js b/node_modules/react-dom/lib/ReactReconciler.js deleted file mode 100644 index 23e54a020..000000000 --- a/node_modules/react-dom/lib/ReactReconciler.js +++ /dev/null @@ -1,165 +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 ReactRef = require('./ReactRef'); -var ReactInstrumentation = require('./ReactInstrumentation'); - -var warning = require('fbjs/lib/warning'); - -/** - * Helper to call ReactRef.attachRefs with this composite component, split out - * to avoid allocations in the transaction mount-ready queue. - */ -function attachRefs() { - ReactRef.attachRefs(this, this._currentElement); -} - -var ReactReconciler = { - /** - * Initializes the component, renders markup, and registers event listeners. - * - * @param {ReactComponent} internalInstance - * @param {ReactReconcileTransaction|ReactServerRenderingTransaction} transaction - * @param {?object} the containing host component instance - * @param {?object} info about the host container - * @return {?string} Rendered markup to be inserted into the DOM. - * @final - * @internal - */ - mountComponent: function (internalInstance, transaction, hostParent, hostContainerInfo, context, parentDebugID) // 0 in production and for roots - { - if (process.env.NODE_ENV !== 'production') { - if (internalInstance._debugID !== 0) { - ReactInstrumentation.debugTool.onBeforeMountComponent(internalInstance._debugID, internalInstance._currentElement, parentDebugID); - } - } - var markup = internalInstance.mountComponent(transaction, hostParent, hostContainerInfo, context, parentDebugID); - if (internalInstance._currentElement && internalInstance._currentElement.ref != null) { - transaction.getReactMountReady().enqueue(attachRefs, internalInstance); - } - if (process.env.NODE_ENV !== 'production') { - if (internalInstance._debugID !== 0) { - ReactInstrumentation.debugTool.onMountComponent(internalInstance._debugID); - } - } - return markup; - }, - - /** - * Returns a value that can be passed to - * ReactComponentEnvironment.replaceNodeWithMarkup. - */ - getHostNode: function (internalInstance) { - return internalInstance.getHostNode(); - }, - - /** - * Releases any resources allocated by `mountComponent`. - * - * @final - * @internal - */ - unmountComponent: function (internalInstance, safely) { - if (process.env.NODE_ENV !== 'production') { - if (internalInstance._debugID !== 0) { - ReactInstrumentation.debugTool.onBeforeUnmountComponent(internalInstance._debugID); - } - } - ReactRef.detachRefs(internalInstance, internalInstance._currentElement); - internalInstance.unmountComponent(safely); - if (process.env.NODE_ENV !== 'production') { - if (internalInstance._debugID !== 0) { - ReactInstrumentation.debugTool.onUnmountComponent(internalInstance._debugID); - } - } - }, - - /** - * Update a component using a new element. - * - * @param {ReactComponent} internalInstance - * @param {ReactElement} nextElement - * @param {ReactReconcileTransaction} transaction - * @param {object} context - * @internal - */ - receiveComponent: function (internalInstance, nextElement, transaction, context) { - var prevElement = internalInstance._currentElement; - - if (nextElement === prevElement && context === internalInstance._context) { - // Since elements are immutable after the owner is rendered, - // we can do a cheap identity compare here to determine if this is a - // superfluous reconcile. It's possible for state to be mutable but such - // change should trigger an update of the owner which would recreate - // the element. We explicitly check for the existence of an owner since - // it's possible for an element created outside a composite to be - // deeply mutated and reused. - - // TODO: Bailing out early is just a perf optimization right? - // TODO: Removing the return statement should affect correctness? - return; - } - - if (process.env.NODE_ENV !== 'production') { - if (internalInstance._debugID !== 0) { - ReactInstrumentation.debugTool.onBeforeUpdateComponent(internalInstance._debugID, nextElement); - } - } - - var refsChanged = ReactRef.shouldUpdateRefs(prevElement, nextElement); - - if (refsChanged) { - ReactRef.detachRefs(internalInstance, prevElement); - } - - internalInstance.receiveComponent(nextElement, transaction, context); - - if (refsChanged && internalInstance._currentElement && internalInstance._currentElement.ref != null) { - transaction.getReactMountReady().enqueue(attachRefs, internalInstance); - } - - if (process.env.NODE_ENV !== 'production') { - if (internalInstance._debugID !== 0) { - ReactInstrumentation.debugTool.onUpdateComponent(internalInstance._debugID); - } - } - }, - - /** - * Flush any dirty changes in a component. - * - * @param {ReactComponent} internalInstance - * @param {ReactReconcileTransaction} transaction - * @internal - */ - performUpdateIfNecessary: function (internalInstance, transaction, updateBatchNumber) { - if (internalInstance._updateBatchNumber !== updateBatchNumber) { - // The component's enqueued batch number should always be the current - // batch or the following one. - process.env.NODE_ENV !== 'production' ? warning(internalInstance._updateBatchNumber == null || internalInstance._updateBatchNumber === updateBatchNumber + 1, 'performUpdateIfNecessary: Unexpected batch number (current %s, ' + 'pending %s)', updateBatchNumber, internalInstance._updateBatchNumber) : void 0; - return; - } - if (process.env.NODE_ENV !== 'production') { - if (internalInstance._debugID !== 0) { - ReactInstrumentation.debugTool.onBeforeUpdateComponent(internalInstance._debugID, internalInstance._currentElement); - } - } - internalInstance.performUpdateIfNecessary(transaction); - if (process.env.NODE_ENV !== 'production') { - if (internalInstance._debugID !== 0) { - ReactInstrumentation.debugTool.onUpdateComponent(internalInstance._debugID); - } - } - } -}; - -module.exports = ReactReconciler;
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