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Diffstat (limited to 'node_modules/react-dom/lib/ReactCompositeComponent.js')
| -rw-r--r-- | node_modules/react-dom/lib/ReactCompositeComponent.js | 899 |
1 files changed, 0 insertions, 899 deletions
diff --git a/node_modules/react-dom/lib/ReactCompositeComponent.js b/node_modules/react-dom/lib/ReactCompositeComponent.js deleted file mode 100644 index c80d8f561..000000000 --- a/node_modules/react-dom/lib/ReactCompositeComponent.js +++ /dev/null @@ -1,899 +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 React = require('react/lib/React'); -var ReactComponentEnvironment = require('./ReactComponentEnvironment'); -var ReactCurrentOwner = require('react/lib/ReactCurrentOwner'); -var ReactErrorUtils = require('./ReactErrorUtils'); -var ReactInstanceMap = require('./ReactInstanceMap'); -var ReactInstrumentation = require('./ReactInstrumentation'); -var ReactNodeTypes = require('./ReactNodeTypes'); -var ReactReconciler = require('./ReactReconciler'); - -if (process.env.NODE_ENV !== 'production') { - var checkReactTypeSpec = require('./checkReactTypeSpec'); -} - -var emptyObject = require('fbjs/lib/emptyObject'); -var invariant = require('fbjs/lib/invariant'); -var shallowEqual = require('fbjs/lib/shallowEqual'); -var shouldUpdateReactComponent = require('./shouldUpdateReactComponent'); -var warning = require('fbjs/lib/warning'); - -var CompositeTypes = { - ImpureClass: 0, - PureClass: 1, - StatelessFunctional: 2 -}; - -function StatelessComponent(Component) {} -StatelessComponent.prototype.render = function () { - var Component = ReactInstanceMap.get(this)._currentElement.type; - var element = Component(this.props, this.context, this.updater); - warnIfInvalidElement(Component, element); - return element; -}; - -function warnIfInvalidElement(Component, element) { - if (process.env.NODE_ENV !== 'production') { - process.env.NODE_ENV !== 'production' ? warning(element === null || element === false || React.isValidElement(element), '%s(...): A valid React element (or null) must be returned. You may have ' + 'returned undefined, an array or some other invalid object.', Component.displayName || Component.name || 'Component') : void 0; - process.env.NODE_ENV !== 'production' ? warning(!Component.childContextTypes, '%s(...): childContextTypes cannot be defined on a functional component.', Component.displayName || Component.name || 'Component') : void 0; - } -} - -function shouldConstruct(Component) { - return !!(Component.prototype && Component.prototype.isReactComponent); -} - -function isPureComponent(Component) { - return !!(Component.prototype && Component.prototype.isPureReactComponent); -} - -// Separated into a function to contain deoptimizations caused by try/finally. -function measureLifeCyclePerf(fn, debugID, timerType) { - if (debugID === 0) { - // Top-level wrappers (see ReactMount) and empty components (see - // ReactDOMEmptyComponent) are invisible to hooks and devtools. - // Both are implementation details that should go away in the future. - return fn(); - } - - ReactInstrumentation.debugTool.onBeginLifeCycleTimer(debugID, timerType); - try { - return fn(); - } finally { - ReactInstrumentation.debugTool.onEndLifeCycleTimer(debugID, timerType); - } -} - -/** - * ------------------ The Life-Cycle of a Composite Component ------------------ - * - * - constructor: Initialization of state. The instance is now retained. - * - componentWillMount - * - render - * - [children's constructors] - * - [children's componentWillMount and render] - * - [children's componentDidMount] - * - componentDidMount - * - * Update Phases: - * - componentWillReceiveProps (only called if parent updated) - * - shouldComponentUpdate - * - componentWillUpdate - * - render - * - [children's constructors or receive props phases] - * - componentDidUpdate - * - * - componentWillUnmount - * - [children's componentWillUnmount] - * - [children destroyed] - * - (destroyed): The instance is now blank, released by React and ready for GC. - * - * ----------------------------------------------------------------------------- - */ - -/** - * An incrementing ID assigned to each component when it is mounted. This is - * used to enforce the order in which `ReactUpdates` updates dirty components. - * - * @private - */ -var nextMountID = 1; - -/** - * @lends {ReactCompositeComponent.prototype} - */ -var ReactCompositeComponent = { - /** - * Base constructor for all composite component. - * - * @param {ReactElement} element - * @final - * @internal - */ - construct: function (element) { - this._currentElement = element; - this._rootNodeID = 0; - this._compositeType = null; - this._instance = null; - this._hostParent = null; - this._hostContainerInfo = null; - - // See ReactUpdateQueue - this._updateBatchNumber = null; - this._pendingElement = null; - this._pendingStateQueue = null; - this._pendingReplaceState = false; - this._pendingForceUpdate = false; - - this._renderedNodeType = null; - this._renderedComponent = null; - this._context = null; - this._mountOrder = 0; - this._topLevelWrapper = null; - - // See ReactUpdates and ReactUpdateQueue. - this._pendingCallbacks = null; - - // ComponentWillUnmount shall only be called once - this._calledComponentWillUnmount = false; - - if (process.env.NODE_ENV !== 'production') { - this._warnedAboutRefsInRender = false; - } - }, - - /** - * Initializes the component, renders markup, and registers event listeners. - * - * @param {ReactReconcileTransaction|ReactServerRenderingTransaction} transaction - * @param {?object} hostParent - * @param {?object} hostContainerInfo - * @param {?object} context - * @return {?string} Rendered markup to be inserted into the DOM. - * @final - * @internal - */ - mountComponent: function (transaction, hostParent, hostContainerInfo, context) { - var _this = this; - - this._context = context; - this._mountOrder = nextMountID++; - this._hostParent = hostParent; - this._hostContainerInfo = hostContainerInfo; - - var publicProps = this._currentElement.props; - var publicContext = this._processContext(context); - - var Component = this._currentElement.type; - - var updateQueue = transaction.getUpdateQueue(); - - // Initialize the public class - var doConstruct = shouldConstruct(Component); - var inst = this._constructComponent(doConstruct, publicProps, publicContext, updateQueue); - var renderedElement; - - // Support functional components - if (!doConstruct && (inst == null || inst.render == null)) { - renderedElement = inst; - warnIfInvalidElement(Component, renderedElement); - !(inst === null || inst === false || React.isValidElement(inst)) ? process.env.NODE_ENV !== 'production' ? invariant(false, '%s(...): A valid React element (or null) must be returned. You may have returned undefined, an array or some other invalid object.', Component.displayName || Component.name || 'Component') : _prodInvariant('105', Component.displayName || Component.name || 'Component') : void 0; - inst = new StatelessComponent(Component); - this._compositeType = CompositeTypes.StatelessFunctional; - } else { - if (isPureComponent(Component)) { - this._compositeType = CompositeTypes.PureClass; - } else { - this._compositeType = CompositeTypes.ImpureClass; - } - } - - if (process.env.NODE_ENV !== 'production') { - // This will throw later in _renderValidatedComponent, but add an early - // warning now to help debugging - if (inst.render == null) { - process.env.NODE_ENV !== 'production' ? warning(false, '%s(...): No `render` method found on the returned component ' + 'instance: you may have forgotten to define `render`.', Component.displayName || Component.name || 'Component') : void 0; - } - - var propsMutated = inst.props !== publicProps; - var componentName = Component.displayName || Component.name || 'Component'; - - process.env.NODE_ENV !== 'production' ? warning(inst.props === undefined || !propsMutated, '%s(...): When calling super() in `%s`, make sure to pass ' + "up the same props that your component's constructor was passed.", componentName, componentName) : void 0; - } - - // These should be set up in the constructor, but as a convenience for - // simpler class abstractions, we set them up after the fact. - inst.props = publicProps; - inst.context = publicContext; - inst.refs = emptyObject; - inst.updater = updateQueue; - - this._instance = inst; - - // Store a reference from the instance back to the internal representation - ReactInstanceMap.set(inst, this); - - if (process.env.NODE_ENV !== 'production') { - // Since plain JS classes are defined without any special initialization - // logic, we can not catch common errors early. Therefore, we have to - // catch them here, at initialization time, instead. - process.env.NODE_ENV !== 'production' ? warning(!inst.getInitialState || inst.getInitialState.isReactClassApproved || inst.state, 'getInitialState was defined on %s, a plain JavaScript class. ' + 'This is only supported for classes created using React.createClass. ' + 'Did you mean to define a state property instead?', this.getName() || 'a component') : void 0; - process.env.NODE_ENV !== 'production' ? warning(!inst.getDefaultProps || inst.getDefaultProps.isReactClassApproved, 'getDefaultProps was defined on %s, a plain JavaScript class. ' + 'This is only supported for classes created using React.createClass. ' + 'Use a static property to define defaultProps instead.', this.getName() || 'a component') : void 0; - process.env.NODE_ENV !== 'production' ? warning(!inst.propTypes, 'propTypes was defined as an instance property on %s. Use a static ' + 'property to define propTypes instead.', this.getName() || 'a component') : void 0; - process.env.NODE_ENV !== 'production' ? warning(!inst.contextTypes, 'contextTypes was defined as an instance property on %s. Use a ' + 'static property to define contextTypes instead.', this.getName() || 'a component') : void 0; - process.env.NODE_ENV !== 'production' ? warning(typeof inst.componentShouldUpdate !== 'function', '%s has a method called ' + 'componentShouldUpdate(). Did you mean shouldComponentUpdate()? ' + 'The name is phrased as a question because the function is ' + 'expected to return a value.', this.getName() || 'A component') : void 0; - process.env.NODE_ENV !== 'production' ? warning(typeof inst.componentDidUnmount !== 'function', '%s has a method called ' + 'componentDidUnmount(). But there is no such lifecycle method. ' + 'Did you mean componentWillUnmount()?', this.getName() || 'A component') : void 0; - process.env.NODE_ENV !== 'production' ? warning(typeof inst.componentWillRecieveProps !== 'function', '%s has a method called ' + 'componentWillRecieveProps(). Did you mean componentWillReceiveProps()?', this.getName() || 'A component') : void 0; - } - - var initialState = inst.state; - if (initialState === undefined) { - inst.state = initialState = null; - } - !(typeof initialState === 'object' && !Array.isArray(initialState)) ? process.env.NODE_ENV !== 'production' ? invariant(false, '%s.state: must be set to an object or null', this.getName() || 'ReactCompositeComponent') : _prodInvariant('106', this.getName() || 'ReactCompositeComponent') : void 0; - - this._pendingStateQueue = null; - this._pendingReplaceState = false; - this._pendingForceUpdate = false; - - var markup; - if (inst.unstable_handleError) { - markup = this.performInitialMountWithErrorHandling(renderedElement, hostParent, hostContainerInfo, transaction, context); - } else { - markup = this.performInitialMount(renderedElement, hostParent, hostContainerInfo, transaction, context); - } - - if (inst.componentDidMount) { - if (process.env.NODE_ENV !== 'production') { - transaction.getReactMountReady().enqueue(function () { - measureLifeCyclePerf(function () { - return inst.componentDidMount(); - }, _this._debugID, 'componentDidMount'); - }); - } else { - transaction.getReactMountReady().enqueue(inst.componentDidMount, inst); - } - } - - return markup; - }, - - _constructComponent: function (doConstruct, publicProps, publicContext, updateQueue) { - if (process.env.NODE_ENV !== 'production') { - ReactCurrentOwner.current = this; - try { - return this._constructComponentWithoutOwner(doConstruct, publicProps, publicContext, updateQueue); - } finally { - ReactCurrentOwner.current = null; - } - } else { - return this._constructComponentWithoutOwner(doConstruct, publicProps, publicContext, updateQueue); - } - }, - - _constructComponentWithoutOwner: function (doConstruct, publicProps, publicContext, updateQueue) { - var Component = this._currentElement.type; - - if (doConstruct) { - if (process.env.NODE_ENV !== 'production') { - return measureLifeCyclePerf(function () { - return new Component(publicProps, publicContext, updateQueue); - }, this._debugID, 'ctor'); - } else { - return new Component(publicProps, publicContext, updateQueue); - } - } - - // This can still be an instance in case of factory components - // but we'll count this as time spent rendering as the more common case. - if (process.env.NODE_ENV !== 'production') { - return measureLifeCyclePerf(function () { - return Component(publicProps, publicContext, updateQueue); - }, this._debugID, 'render'); - } else { - return Component(publicProps, publicContext, updateQueue); - } - }, - - performInitialMountWithErrorHandling: function (renderedElement, hostParent, hostContainerInfo, transaction, context) { - var markup; - var checkpoint = transaction.checkpoint(); - try { - markup = this.performInitialMount(renderedElement, hostParent, hostContainerInfo, transaction, context); - } catch (e) { - // Roll back to checkpoint, handle error (which may add items to the transaction), and take a new checkpoint - transaction.rollback(checkpoint); - this._instance.unstable_handleError(e); - if (this._pendingStateQueue) { - this._instance.state = this._processPendingState(this._instance.props, this._instance.context); - } - checkpoint = transaction.checkpoint(); - - this._renderedComponent.unmountComponent(true); - transaction.rollback(checkpoint); - - // Try again - we've informed the component about the error, so they can render an error message this time. - // If this throws again, the error will bubble up (and can be caught by a higher error boundary). - markup = this.performInitialMount(renderedElement, hostParent, hostContainerInfo, transaction, context); - } - return markup; - }, - - performInitialMount: function (renderedElement, hostParent, hostContainerInfo, transaction, context) { - var inst = this._instance; - - var debugID = 0; - if (process.env.NODE_ENV !== 'production') { - debugID = this._debugID; - } - - if (inst.componentWillMount) { - if (process.env.NODE_ENV !== 'production') { - measureLifeCyclePerf(function () { - return inst.componentWillMount(); - }, debugID, 'componentWillMount'); - } else { - inst.componentWillMount(); - } - // When mounting, calls to `setState` by `componentWillMount` will set - // `this._pendingStateQueue` without triggering a re-render. - if (this._pendingStateQueue) { - inst.state = this._processPendingState(inst.props, inst.context); - } - } - - // If not a stateless component, we now render - if (renderedElement === undefined) { - renderedElement = this._renderValidatedComponent(); - } - - var nodeType = ReactNodeTypes.getType(renderedElement); - this._renderedNodeType = nodeType; - var child = this._instantiateReactComponent(renderedElement, nodeType !== ReactNodeTypes.EMPTY /* shouldHaveDebugID */ - ); - this._renderedComponent = child; - - var markup = ReactReconciler.mountComponent(child, transaction, hostParent, hostContainerInfo, this._processChildContext(context), debugID); - - if (process.env.NODE_ENV !== 'production') { - if (debugID !== 0) { - var childDebugIDs = child._debugID !== 0 ? [child._debugID] : []; - ReactInstrumentation.debugTool.onSetChildren(debugID, childDebugIDs); - } - } - - return markup; - }, - - getHostNode: function () { - return ReactReconciler.getHostNode(this._renderedComponent); - }, - - /** - * Releases any resources allocated by `mountComponent`. - * - * @final - * @internal - */ - unmountComponent: function (safely) { - if (!this._renderedComponent) { - return; - } - - var inst = this._instance; - - if (inst.componentWillUnmount && !inst._calledComponentWillUnmount) { - inst._calledComponentWillUnmount = true; - - if (safely) { - var name = this.getName() + '.componentWillUnmount()'; - ReactErrorUtils.invokeGuardedCallback(name, inst.componentWillUnmount.bind(inst)); - } else { - if (process.env.NODE_ENV !== 'production') { - measureLifeCyclePerf(function () { - return inst.componentWillUnmount(); - }, this._debugID, 'componentWillUnmount'); - } else { - inst.componentWillUnmount(); - } - } - } - - if (this._renderedComponent) { - ReactReconciler.unmountComponent(this._renderedComponent, safely); - this._renderedNodeType = null; - this._renderedComponent = null; - this._instance = null; - } - - // Reset pending fields - // Even if this component is scheduled for another update in ReactUpdates, - // it would still be ignored because these fields are reset. - this._pendingStateQueue = null; - this._pendingReplaceState = false; - this._pendingForceUpdate = false; - this._pendingCallbacks = null; - this._pendingElement = null; - - // These fields do not really need to be reset since this object is no - // longer accessible. - this._context = null; - this._rootNodeID = 0; - this._topLevelWrapper = null; - - // Delete the reference from the instance to this internal representation - // which allow the internals to be properly cleaned up even if the user - // leaks a reference to the public instance. - ReactInstanceMap.remove(inst); - - // Some existing components rely on inst.props even after they've been - // destroyed (in event handlers). - // TODO: inst.props = null; - // TODO: inst.state = null; - // TODO: inst.context = null; - }, - - /** - * Filters the context object to only contain keys specified in - * `contextTypes` - * - * @param {object} context - * @return {?object} - * @private - */ - _maskContext: function (context) { - var Component = this._currentElement.type; - var contextTypes = Component.contextTypes; - if (!contextTypes) { - return emptyObject; - } - var maskedContext = {}; - for (var contextName in contextTypes) { - maskedContext[contextName] = context[contextName]; - } - return maskedContext; - }, - - /** - * Filters the context object to only contain keys specified in - * `contextTypes`, and asserts that they are valid. - * - * @param {object} context - * @return {?object} - * @private - */ - _processContext: function (context) { - var maskedContext = this._maskContext(context); - if (process.env.NODE_ENV !== 'production') { - var Component = this._currentElement.type; - if (Component.contextTypes) { - this._checkContextTypes(Component.contextTypes, maskedContext, 'context'); - } - } - return maskedContext; - }, - - /** - * @param {object} currentContext - * @return {object} - * @private - */ - _processChildContext: function (currentContext) { - var Component = this._currentElement.type; - var inst = this._instance; - var childContext; - - if (inst.getChildContext) { - if (process.env.NODE_ENV !== 'production') { - ReactInstrumentation.debugTool.onBeginProcessingChildContext(); - try { - childContext = inst.getChildContext(); - } finally { - ReactInstrumentation.debugTool.onEndProcessingChildContext(); - } - } else { - childContext = inst.getChildContext(); - } - } - - if (childContext) { - !(typeof Component.childContextTypes === 'object') ? process.env.NODE_ENV !== 'production' ? invariant(false, '%s.getChildContext(): childContextTypes must be defined in order to use getChildContext().', this.getName() || 'ReactCompositeComponent') : _prodInvariant('107', this.getName() || 'ReactCompositeComponent') : void 0; - if (process.env.NODE_ENV !== 'production') { - this._checkContextTypes(Component.childContextTypes, childContext, 'child context'); - } - for (var name in childContext) { - !(name in Component.childContextTypes) ? process.env.NODE_ENV !== 'production' ? invariant(false, '%s.getChildContext(): key "%s" is not defined in childContextTypes.', this.getName() || 'ReactCompositeComponent', name) : _prodInvariant('108', this.getName() || 'ReactCompositeComponent', name) : void 0; - } - return _assign({}, currentContext, childContext); - } - return currentContext; - }, - - /** - * Assert that the context types are valid - * - * @param {object} typeSpecs Map of context field to a ReactPropType - * @param {object} values Runtime values that need to be type-checked - * @param {string} location e.g. "prop", "context", "child context" - * @private - */ - _checkContextTypes: function (typeSpecs, values, location) { - if (process.env.NODE_ENV !== 'production') { - checkReactTypeSpec(typeSpecs, values, location, this.getName(), null, this._debugID); - } - }, - - receiveComponent: function (nextElement, transaction, nextContext) { - var prevElement = this._currentElement; - var prevContext = this._context; - - this._pendingElement = null; - - this.updateComponent(transaction, prevElement, nextElement, prevContext, nextContext); - }, - - /** - * If any of `_pendingElement`, `_pendingStateQueue`, or `_pendingForceUpdate` - * is set, update the component. - * - * @param {ReactReconcileTransaction} transaction - * @internal - */ - performUpdateIfNecessary: function (transaction) { - if (this._pendingElement != null) { - ReactReconciler.receiveComponent(this, this._pendingElement, transaction, this._context); - } else if (this._pendingStateQueue !== null || this._pendingForceUpdate) { - this.updateComponent(transaction, this._currentElement, this._currentElement, this._context, this._context); - } else { - this._updateBatchNumber = null; - } - }, - - /** - * Perform an update to a mounted component. The componentWillReceiveProps and - * shouldComponentUpdate methods are called, then (assuming the update isn't - * skipped) the remaining update lifecycle methods are called and the DOM - * representation is updated. - * - * By default, this implements React's rendering and reconciliation algorithm. - * Sophisticated clients may wish to override this. - * - * @param {ReactReconcileTransaction} transaction - * @param {ReactElement} prevParentElement - * @param {ReactElement} nextParentElement - * @internal - * @overridable - */ - updateComponent: function (transaction, prevParentElement, nextParentElement, prevUnmaskedContext, nextUnmaskedContext) { - var inst = this._instance; - !(inst != null) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Attempted to update component `%s` that has already been unmounted (or failed to mount).', this.getName() || 'ReactCompositeComponent') : _prodInvariant('136', this.getName() || 'ReactCompositeComponent') : void 0; - - var willReceive = false; - var nextContext; - - // Determine if the context has changed or not - if (this._context === nextUnmaskedContext) { - nextContext = inst.context; - } else { - nextContext = this._processContext(nextUnmaskedContext); - willReceive = true; - } - - var prevProps = prevParentElement.props; - var nextProps = nextParentElement.props; - - // Not a simple state update but a props update - if (prevParentElement !== nextParentElement) { - willReceive = true; - } - - // An update here will schedule an update but immediately set - // _pendingStateQueue which will ensure that any state updates gets - // immediately reconciled instead of waiting for the next batch. - if (willReceive && inst.componentWillReceiveProps) { - if (process.env.NODE_ENV !== 'production') { - measureLifeCyclePerf(function () { - return inst.componentWillReceiveProps(nextProps, nextContext); - }, this._debugID, 'componentWillReceiveProps'); - } else { - inst.componentWillReceiveProps(nextProps, nextContext); - } - } - - var nextState = this._processPendingState(nextProps, nextContext); - var shouldUpdate = true; - - if (!this._pendingForceUpdate) { - if (inst.shouldComponentUpdate) { - if (process.env.NODE_ENV !== 'production') { - shouldUpdate = measureLifeCyclePerf(function () { - return inst.shouldComponentUpdate(nextProps, nextState, nextContext); - }, this._debugID, 'shouldComponentUpdate'); - } else { - shouldUpdate = inst.shouldComponentUpdate(nextProps, nextState, nextContext); - } - } else { - if (this._compositeType === CompositeTypes.PureClass) { - shouldUpdate = !shallowEqual(prevProps, nextProps) || !shallowEqual(inst.state, nextState); - } - } - } - - if (process.env.NODE_ENV !== 'production') { - process.env.NODE_ENV !== 'production' ? warning(shouldUpdate !== undefined, '%s.shouldComponentUpdate(): Returned undefined instead of a ' + 'boolean value. Make sure to return true or false.', this.getName() || 'ReactCompositeComponent') : void 0; - } - - this._updateBatchNumber = null; - if (shouldUpdate) { - this._pendingForceUpdate = false; - // Will set `this.props`, `this.state` and `this.context`. - this._performComponentUpdate(nextParentElement, nextProps, nextState, nextContext, transaction, nextUnmaskedContext); - } else { - // If it's determined that a component should not update, we still want - // to set props and state but we shortcut the rest of the update. - this._currentElement = nextParentElement; - this._context = nextUnmaskedContext; - inst.props = nextProps; - inst.state = nextState; - inst.context = nextContext; - } - }, - - _processPendingState: function (props, context) { - var inst = this._instance; - var queue = this._pendingStateQueue; - var replace = this._pendingReplaceState; - this._pendingReplaceState = false; - this._pendingStateQueue = null; - - if (!queue) { - return inst.state; - } - - if (replace && queue.length === 1) { - return queue[0]; - } - - var nextState = _assign({}, replace ? queue[0] : inst.state); - for (var i = replace ? 1 : 0; i < queue.length; i++) { - var partial = queue[i]; - _assign(nextState, typeof partial === 'function' ? partial.call(inst, nextState, props, context) : partial); - } - - return nextState; - }, - - /** - * Merges new props and state, notifies delegate methods of update and - * performs update. - * - * @param {ReactElement} nextElement Next element - * @param {object} nextProps Next public object to set as properties. - * @param {?object} nextState Next object to set as state. - * @param {?object} nextContext Next public object to set as context. - * @param {ReactReconcileTransaction} transaction - * @param {?object} unmaskedContext - * @private - */ - _performComponentUpdate: function (nextElement, nextProps, nextState, nextContext, transaction, unmaskedContext) { - var _this2 = this; - - var inst = this._instance; - - var hasComponentDidUpdate = Boolean(inst.componentDidUpdate); - var prevProps; - var prevState; - var prevContext; - if (hasComponentDidUpdate) { - prevProps = inst.props; - prevState = inst.state; - prevContext = inst.context; - } - - if (inst.componentWillUpdate) { - if (process.env.NODE_ENV !== 'production') { - measureLifeCyclePerf(function () { - return inst.componentWillUpdate(nextProps, nextState, nextContext); - }, this._debugID, 'componentWillUpdate'); - } else { - inst.componentWillUpdate(nextProps, nextState, nextContext); - } - } - - this._currentElement = nextElement; - this._context = unmaskedContext; - inst.props = nextProps; - inst.state = nextState; - inst.context = nextContext; - - this._updateRenderedComponent(transaction, unmaskedContext); - - if (hasComponentDidUpdate) { - if (process.env.NODE_ENV !== 'production') { - transaction.getReactMountReady().enqueue(function () { - measureLifeCyclePerf(inst.componentDidUpdate.bind(inst, prevProps, prevState, prevContext), _this2._debugID, 'componentDidUpdate'); - }); - } else { - transaction.getReactMountReady().enqueue(inst.componentDidUpdate.bind(inst, prevProps, prevState, prevContext), inst); - } - } - }, - - /** - * Call the component's `render` method and update the DOM accordingly. - * - * @param {ReactReconcileTransaction} transaction - * @internal - */ - _updateRenderedComponent: function (transaction, context) { - var prevComponentInstance = this._renderedComponent; - var prevRenderedElement = prevComponentInstance._currentElement; - var nextRenderedElement = this._renderValidatedComponent(); - - var debugID = 0; - if (process.env.NODE_ENV !== 'production') { - debugID = this._debugID; - } - - if (shouldUpdateReactComponent(prevRenderedElement, nextRenderedElement)) { - ReactReconciler.receiveComponent(prevComponentInstance, nextRenderedElement, transaction, this._processChildContext(context)); - } else { - var oldHostNode = ReactReconciler.getHostNode(prevComponentInstance); - ReactReconciler.unmountComponent(prevComponentInstance, false); - - var nodeType = ReactNodeTypes.getType(nextRenderedElement); - this._renderedNodeType = nodeType; - var child = this._instantiateReactComponent(nextRenderedElement, nodeType !== ReactNodeTypes.EMPTY /* shouldHaveDebugID */ - ); - this._renderedComponent = child; - - var nextMarkup = ReactReconciler.mountComponent(child, transaction, this._hostParent, this._hostContainerInfo, this._processChildContext(context), debugID); - - if (process.env.NODE_ENV !== 'production') { - if (debugID !== 0) { - var childDebugIDs = child._debugID !== 0 ? [child._debugID] : []; - ReactInstrumentation.debugTool.onSetChildren(debugID, childDebugIDs); - } - } - - this._replaceNodeWithMarkup(oldHostNode, nextMarkup, prevComponentInstance); - } - }, - - /** - * Overridden in shallow rendering. - * - * @protected - */ - _replaceNodeWithMarkup: function (oldHostNode, nextMarkup, prevInstance) { - ReactComponentEnvironment.replaceNodeWithMarkup(oldHostNode, nextMarkup, prevInstance); - }, - - /** - * @protected - */ - _renderValidatedComponentWithoutOwnerOrContext: function () { - var inst = this._instance; - var renderedElement; - - if (process.env.NODE_ENV !== 'production') { - renderedElement = measureLifeCyclePerf(function () { - return inst.render(); - }, this._debugID, 'render'); - } else { - renderedElement = inst.render(); - } - - if (process.env.NODE_ENV !== 'production') { - // We allow auto-mocks to proceed as if they're returning null. - if (renderedElement === undefined && inst.render._isMockFunction) { - // This is probably bad practice. Consider warning here and - // deprecating this convenience. - renderedElement = null; - } - } - - return renderedElement; - }, - - /** - * @private - */ - _renderValidatedComponent: function () { - var renderedElement; - if (process.env.NODE_ENV !== 'production' || this._compositeType !== CompositeTypes.StatelessFunctional) { - ReactCurrentOwner.current = this; - try { - renderedElement = this._renderValidatedComponentWithoutOwnerOrContext(); - } finally { - ReactCurrentOwner.current = null; - } - } else { - renderedElement = this._renderValidatedComponentWithoutOwnerOrContext(); - } - !( - // TODO: An `isValidNode` function would probably be more appropriate - renderedElement === null || renderedElement === false || React.isValidElement(renderedElement)) ? process.env.NODE_ENV !== 'production' ? invariant(false, '%s.render(): A valid React element (or null) must be returned. You may have returned undefined, an array or some other invalid object.', this.getName() || 'ReactCompositeComponent') : _prodInvariant('109', this.getName() || 'ReactCompositeComponent') : void 0; - - return renderedElement; - }, - - /** - * Lazily allocates the refs object and stores `component` as `ref`. - * - * @param {string} ref Reference name. - * @param {component} component Component to store as `ref`. - * @final - * @private - */ - attachRef: function (ref, component) { - var inst = this.getPublicInstance(); - !(inst != null) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Stateless function components cannot have refs.') : _prodInvariant('110') : void 0; - var publicComponentInstance = component.getPublicInstance(); - if (process.env.NODE_ENV !== 'production') { - var componentName = component && component.getName ? component.getName() : 'a component'; - process.env.NODE_ENV !== 'production' ? warning(publicComponentInstance != null || component._compositeType !== CompositeTypes.StatelessFunctional, 'Stateless function components cannot be given refs ' + '(See ref "%s" in %s created by %s). ' + 'Attempts to access this ref will fail.', ref, componentName, this.getName()) : void 0; - } - var refs = inst.refs === emptyObject ? inst.refs = {} : inst.refs; - refs[ref] = publicComponentInstance; - }, - - /** - * Detaches a reference name. - * - * @param {string} ref Name to dereference. - * @final - * @private - */ - detachRef: function (ref) { - var refs = this.getPublicInstance().refs; - delete refs[ref]; - }, - - /** - * Get a text description of the component that can be used to identify it - * in error messages. - * @return {string} The name or null. - * @internal - */ - getName: function () { - var type = this._currentElement.type; - var constructor = this._instance && this._instance.constructor; - return type.displayName || constructor && constructor.displayName || type.name || constructor && constructor.name || null; - }, - - /** - * Get the publicly accessible representation of this component - i.e. what - * is exposed by refs and returned by render. Can be null for stateless - * components. - * - * @return {ReactComponent} the public component instance. - * @internal - */ - getPublicInstance: function () { - var inst = this._instance; - if (this._compositeType === CompositeTypes.StatelessFunctional) { - return null; - } - return inst; - }, - - // Stub - _instantiateReactComponent: null -}; - -module.exports = ReactCompositeComponent;
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