function CallbackQueue(arg) {
_classCallCheck(this, CallbackQueue);
this._callbacks = null;
this._contexts = null;
this._arg = arg;
}n/a
function DOMLazyTree(node) {
return {
node: node,
children: [],
html: null,
text: null,
toString: toString
};
}n/a
function FallbackCompositionState(root) {
this._root = root;
this._startText = this.getText();
this._fallbackText = null;
}n/a
function ReactDOMComponent(element) {
var tag = element.type;
validateDangerousTag(tag);
this._currentElement = element;
this._tag = tag.toLowerCase();
this._namespaceURI = null;
this._renderedChildren = null;
this._previousStyle = null;
this._previousStyleCopy = null;
this._hostNode = null;
this._hostParent = null;
this._rootNodeID = 0;
this._domID = 0;
this._hostContainerInfo = null;
this._wrapperState = null;
this._topLevelWrapper = null;
this._flags = 0;
if (process.env.NODE_ENV !== 'production') {
this._ancestorInfo = null;
setAndValidateContentChildDev.call(this, null);
}
}n/a
ReactDOMEmptyComponent = function (instantiate) {
// ReactCompositeComponent uses this:
this._currentElement = null;
// ReactDOMComponentTree uses these:
this._hostNode = null;
this._hostParent = null;
this._hostContainerInfo = null;
this._domID = 0;
}n/a
ReactDOMTextComponent = function (text) {
// TODO: This is really a ReactText (ReactNode), not a ReactElement
this._currentElement = text;
this._stringText = '' + text;
// ReactDOMComponentTree uses these:
this._hostNode = null;
this._hostParent = null;
// Properties
this._domID = 0;
this._mountIndex = 0;
this._closingComment = null;
this._commentNodes = null;
}n/a
function ReactReconcileTransaction(useCreateElement) {
this.reinitializeTransaction();
// Only server-side rendering really needs this option (see
// `ReactServerRendering`), but server-side uses
// `ReactServerRenderingTransaction` instead. This option is here so that it's
// accessible and defaults to false when `ReactDOMComponent` and
// `ReactDOMTextComponent` checks it in `mountComponent`.`
this.renderToStaticMarkup = false;
this.reactMountReady = CallbackQueue.getPooled(null);
this.useCreateElement = useCreateElement;
}n/a
function ReactServerRenderingTransaction(renderToStaticMarkup) {
this.reinitializeTransaction();
this.renderToStaticMarkup = renderToStaticMarkup;
this.useCreateElement = false;
this.updateQueue = new ReactServerUpdateQueue(this);
}n/a
function ReactServerUpdateQueue(transaction) {
_classCallCheck(this, ReactServerUpdateQueue);
this.transaction = transaction;
}n/a
function ReactShallowRenderer() {
_classCallCheck(this, ReactShallowRenderer);
this._instance = null;
}n/a
ReactSimpleEmptyComponent = function (placeholderElement, instantiate) {
this._currentElement = null;
this._renderedComponent = instantiate(placeholderElement);
}n/a
function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticAnimationEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticClipboardEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticCompositionEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticDragEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticMouseEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
n/a
n/a
function SyntheticFocusEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticInputEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticKeyboardEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticMouseEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticTouchEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticTransitionEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticUIEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticWheelEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticMouseEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function findDOMNode(componentOrElement) {
if (process.env.NODE_ENV !== 'production') {
var owner = ReactCurrentOwner.current;
if (owner !== null) {
process.env.NODE_ENV !== 'production' ? warning(owner._warnedAboutRefsInRender, '%s is accessing findDOMNode inside its render
(). ' + 'render() should be a pure function of props and state. It should ' + 'never access something that requires stale data from
the previous ' + 'render, such as refs. Move this logic to componentDidMount and ' + 'componentDidUpdate instead.', owner.getName
() || 'A component') : void 0;
owner._warnedAboutRefsInRender = true;
}
}
if (componentOrElement == null) {
return null;
}
if (componentOrElement.nodeType === 1) {
return componentOrElement;
}
var inst = ReactInstanceMap.get(componentOrElement);
if (inst) {
inst = getHostComponentFromComposite(inst);
return inst ? ReactDOMComponentTree.getNodeFromInstance(inst) : null;
}
if (typeof componentOrElement.render === 'function') {
!false ? process.env.NODE_ENV !== 'production' ? invariant(false, 'findDOMNode was called on an unmounted component.') : _prodInvariant
('44') : void 0;
} else {
!false ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Element appears to be neither ReactComponent nor DOMNode (
keys: %s)', Object.keys(componentOrElement)) : _prodInvariant('45', Object.keys(componentOrElement)) : void 0;
}
}n/a
render = function (nextElement, container, callback) {
return ReactMount._renderSubtreeIntoContainer(null, nextElement, container, callback);
}...
class MyComponent extends React.Component {
render() {
return <div>Hello World</div>;
}
}
ReactDOM.render(<MyComponent />, node);
```
### On the server
```js
var React = require('react');
var ReactDOMServer = require('react-dom/server');
...unmountComponentAtNode = function (container) {
// Various parts of our code (such as ReactCompositeComponent's
// _renderValidatedComponent) assume that calls to render aren't nested;
// verify that that's the case. (Strictly speaking, unmounting won't cause a
// render but we still don't expect to be in a render call here.)
process.env.NODE_ENV !== 'production' ? warning(ReactCurrentOwner.current == null, 'unmountComponentAtNode(): Render methods should
be a pure function ' + 'of props and state; triggering nested component updates from render ' + 'is not allowed. If necessary,
trigger nested updates in ' + 'componentDidUpdate. Check the render method of %s.', ReactCurrentOwner.current && ReactCurrentOwner
.current.getName() || 'ReactCompositeComponent') : void 0;
!isValidContainer(container) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'unmountComponentAtNode(...): Target container
is not a DOM element.') : _prodInvariant('40') : void 0;
if (process.env.NODE_ENV !== 'production') {
process.env.NODE_ENV !== 'production' ? warning(!nodeIsRenderedByOtherInstance(container), 'unmountComponentAtNode(): The node
you\'re attempting to unmount ' + 'was rendered by another copy of React.') : void 0;
}
var prevComponent = getTopLevelWrapperInContainer(container);
if (!prevComponent) {
// Check if the node being unmounted was rendered by React, but isn't a
// root node.
var containerHasNonRootReactChild = hasNonRootReactChild(container);
// Check if the container itself is a React root node.
var isContainerReactRoot = container.nodeType === 1 && container.hasAttribute(ROOT_ATTR_NAME);
if (process.env.NODE_ENV !== 'production') {
process.env.NODE_ENV !== 'production' ? warning(!containerHasNonRootReactChild, 'unmountComponentAtNode(): The node you\'re
attempting to unmount ' + 'was rendered by React and is not a top-level container. %s', isContainerReactRoot ? 'You may have accidentally
passed in a React root node instead ' + 'of its container.' : 'Instead, have the parent component update its state and ' + 'rerender
in order to remove this component.') : void 0;
}
return false;
}
delete instancesByReactRootID[prevComponent._instance.rootID];
ReactUpdates.batchedUpdates(unmountComponentFromNode, prevComponent, container, false);
return true;
}...
var publicInst = prevComponent._renderedComponent.getPublicInstance();
var updatedCallback = callback && function () {
callback.call(publicInst);
};
ReactMount._updateRootComponent(prevComponent, nextWrappedElement, nextContext, container, updatedCallback);
return publicInst;
} else {
ReactMount.unmountComponentAtNode(container);
}
}
var reactRootElement = getReactRootElementInContainer(container);
var containerHasReactMarkup = reactRootElement && !!internalGetID(reactRootElement);
var containerHasNonRootReactChild = hasNonRootReactChild(container);
...function batchedUpdates(callback, a, b, c, d, e) {
ensureInjected();
return batchingStrategy.batchedUpdates(callback, a, b, c, d, e);
}n/a
unstable_renderSubtreeIntoContainer = function (parentComponent, nextElement, container, callback) {
!(parentComponent != null && ReactInstanceMap.has(parentComponent)) ? process.env.NODE_ENV !== 'production' ? invariant(false, '
parentComponent must be a valid React Component') : _prodInvariant('38') : void 0;
return ReactMount._renderSubtreeIntoContainer(parentComponent, nextElement, container, callback);
}n/a
validateDOMNesting = function (childTag, childText, childInstance, ancestorInfo) {
ancestorInfo = ancestorInfo || emptyAncestorInfo;
var parentInfo = ancestorInfo.current;
var parentTag = parentInfo && parentInfo.tag;
if (childText != null) {
process.env.NODE_ENV !== 'production' ? warning(childTag == null, 'validateDOMNesting: when childText is passed, childTag should
be null') : void 0;
childTag = '#text';
}
var invalidParent = isTagValidWithParent(childTag, parentTag) ? null : parentInfo;
var invalidAncestor = invalidParent ? null : findInvalidAncestorForTag(childTag, ancestorInfo);
var problematic = invalidParent || invalidAncestor;
if (problematic) {
var ancestorTag = problematic.tag;
var ancestorInstance = problematic.instance;
var childOwner = childInstance && childInstance._currentElement._owner;
var ancestorOwner = ancestorInstance && ancestorInstance._currentElement._owner;
var childOwners = findOwnerStack(childOwner);
var ancestorOwners = findOwnerStack(ancestorOwner);
var minStackLen = Math.min(childOwners.length, ancestorOwners.length);
var i;
var deepestCommon = -1;
for (i = 0; i < minStackLen; i++) {
if (childOwners[i] === ancestorOwners[i]) {
deepestCommon = i;
} else {
break;
}
}
var UNKNOWN = '(unknown)';
var childOwnerNames = childOwners.slice(deepestCommon + 1).map(function (inst) {
return inst.getName() || UNKNOWN;
});
var ancestorOwnerNames = ancestorOwners.slice(deepestCommon + 1).map(function (inst) {
return inst.getName() || UNKNOWN;
});
var ownerInfo = [].concat(
// If the parent and child instances have a common owner ancestor, start
// with that -- otherwise we just start with the parent's owners.
deepestCommon !== -1 ? childOwners[deepestCommon].getName() || UNKNOWN : [], ancestorOwnerNames, ancestorTag,
// If we're warning about an invalid (non-parent) ancestry, add '...'
invalidAncestor ? ['...'] : [], childOwnerNames, childTag).join(' > ');
var warnKey = !!invalidParent + '|' + childTag + '|' + ancestorTag + '|' + ownerInfo;
if (didWarn[warnKey]) {
return;
}
didWarn[warnKey] = true;
var tagDisplayName = childTag;
var whitespaceInfo = '';
if (childTag === '#text') {
if (/\S/.test(childText)) {
tagDisplayName = 'Text nodes';
} else {
tagDisplayName = 'Whitespace text nodes';
whitespaceInfo = ' Make sure you don\'t have any extra whitespace between tags on ' + 'each line of your source code.';
}
} else {
tagDisplayName = '<' + childTag + '>';
}
if (invalidParent) {
var info = '';
if (ancestorTag === 'table' && childTag === 'tr') {
info += ' Add a <tbody> to your code to match the DOM tree generated by ' + 'the browser.';
}
process.env.NODE_ENV !== 'production' ? warning(false, 'validateDOMNesting(...): %s cannot appear as a child of <%s>.%s ' + '
See %s.%s', tagDisplayName, ancestorTag, whitespaceInfo, ownerInfo, info) : void 0;
} else {
process.env.NODE_ENV !== 'production' ? warning(false, 'validateDOMNesting(...): %s cannot appear as a descendant of ' + '<%
s>. See %s.', tagDisplayName, ancestorTag, ownerInfo) : void 0;
}
}
}n/a
focusDOMComponent = function () {
focusNode(ReactDOMComponentTree.getNodeFromInstance(this));
}n/a
extractEvents = function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
return [extractCompositionEvent(topLevelType, targetInst, nativeEvent, nativeEventTarget), extractBeforeInputEvent(topLevelType
, targetInst, nativeEvent, nativeEventTarget)];
}...
extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var events;
var plugins = EventPluginRegistry.plugins;
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;
},
...createMarkupForStyles = function (styles, component) {
var serialized = '';
for (var styleName in styles) {
if (!styles.hasOwnProperty(styleName)) {
continue;
}
var styleValue = styles[styleName];
if (process.env.NODE_ENV !== 'production') {
warnValidStyle(styleName, styleValue, component);
}
if (styleValue != null) {
serialized += processStyleName(styleName) + ':';
serialized += dangerousStyleValue(styleName, styleValue, component) + ';';
}
}
return serialized || null;
}...
if (propValue) {
if (process.env.NODE_ENV !== 'production') {
// See `_updateDOMProperties`. style block
this._previousStyle = propValue;
}
propValue = this._previousStyleCopy = _assign({}, props.style);
}
propValue = CSSPropertyOperations.createMarkupForStyles(propValue, this);
}
var markup = null;
if (this._tag != null && isCustomComponent(this._tag, props)) {
if (!RESERVED_PROPS.hasOwnProperty(propKey)) {
markup = DOMPropertyOperations.createMarkupForCustomAttribute(propKey, propValue);
}
} else {
...setValueForStyles = function (node, styles, component) {
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: component._debugID,
type: 'update styles',
payload: styles
});
}
var style = node.style;
for (var styleName in styles) {
if (!styles.hasOwnProperty(styleName)) {
continue;
}
if (process.env.NODE_ENV !== 'production') {
warnValidStyle(styleName, styles[styleName], component);
}
var styleValue = dangerousStyleValue(styleName, styles[styleName], component);
if (styleName === 'float' || styleName === 'cssFloat') {
styleName = styleFloatAccessor;
}
if (styleValue) {
style[styleName] = styleValue;
} else {
var expansion = hasShorthandPropertyBug && CSSProperty.shorthandPropertyExpansions[styleName];
if (expansion) {
// Shorthand property that IE8 won't like unsetting, so unset each
// component to placate it
for (var individualStyleName in expansion) {
style[individualStyleName] = '';
}
} else {
style[styleName] = '';
}
}
}
}...
DOMPropertyOperations.setValueForProperty(node, propKey, nextProp);
} else {
DOMPropertyOperations.deleteValueForProperty(node, propKey);
}
}
}
if (styleUpdates) {
CSSPropertyOperations.setValueForStyles(getNode(this), styleUpdates, this);
}
},
/**
* Reconciles the children with the various properties that affect the
* children content.
*
...function CallbackQueue(arg) {
_classCallCheck(this, CallbackQueue);
this._callbacks = null;
this._contexts = null;
this._arg = arg;
}n/a
getPooled = function (copyFieldsFrom) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, copyFieldsFrom);
return instance;
} else {
return new Klass(copyFieldsFrom);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...function checkpoint() {
return this._callbacks ? this._callbacks.length : 0;
}...
} 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) {
...function destructor() {
this.reset();
}...
return new Klass(a1, a2, a3, a4);
}
};
var standardReleaser = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance
into a pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
};
var DEFAULT_POOL_SIZE = 10;
var DEFAULT_POOLER = oneArgumentPooler;
...function enqueue(callback, context) {
this._callbacks = this._callbacks || [];
this._callbacks.push(callback);
this._contexts = this._contexts || [];
this._contexts.push(context);
}...
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);
}
...function notifyAll() {
var callbacks = this._callbacks;
var contexts = this._contexts;
var arg = this._arg;
if (callbacks && contexts) {
!(callbacks.length === contexts.length) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Mismatched list of contexts
in callback queue') : _prodInvariant('24') : void 0;
this._callbacks = null;
this._contexts = null;
for (var i = 0; i < callbacks.length; i++) {
callbacks[i].call(contexts[i], arg);
}
callbacks.length = 0;
contexts.length = 0;
}
}...
this.reactMountReady.reset();
},
/**
* After DOM is flushed, invoke all registered `onDOMReady` callbacks.
*/
close: function () {
this.reactMountReady.notifyAll();
}
};
/**
* Executed within the scope of the `Transaction` instance. Consider these as
* being member methods, but with an implied ordering while being isolated from
* each other.
...function reset() {
this._callbacks = null;
this._contexts = null;
}...
/**
* `PooledClass` looks for this.
*/
CallbackQueue.prototype.destructor = function destructor() {
this.reset();
};
return CallbackQueue;
}();
module.exports = PooledClass.addPoolingTo(CallbackQueue);
...function rollback(len) {
if (this._callbacks && this._contexts) {
this._callbacks.length = len;
this._contexts.length = len;
}
}...
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);
...extractEvents = function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var targetNode = targetInst ? ReactDOMComponentTree.getNodeFromInstance(targetInst) : window;
var getTargetInstFunc, handleEventFunc;
if (shouldUseChangeEvent(targetNode)) {
if (doesChangeEventBubble) {
getTargetInstFunc = getTargetInstForChangeEvent;
} else {
handleEventFunc = handleEventsForChangeEventIE8;
}
} else if (isTextInputElement(targetNode)) {
if (isInputEventSupported) {
getTargetInstFunc = getTargetInstForInputEvent;
} else {
getTargetInstFunc = getTargetInstForInputEventIE;
handleEventFunc = handleEventsForInputEventIE;
}
} else if (shouldUseClickEvent(targetNode)) {
getTargetInstFunc = getTargetInstForClickEvent;
}
if (getTargetInstFunc) {
var inst = getTargetInstFunc(topLevelType, targetInst);
if (inst) {
var event = SyntheticEvent.getPooled(eventTypes.change, inst, nativeEvent, nativeEventTarget);
event.type = 'change';
EventPropagators.accumulateTwoPhaseDispatches(event);
return event;
}
}
if (handleEventFunc) {
handleEventFunc(topLevelType, targetNode, targetInst);
}
}...
extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var events;
var plugins = EventPluginRegistry.plugins;
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;
},
...dangerouslyReplaceNodeWithMarkup = function (oldChild, markup, prevInstance) {
Danger.dangerouslyReplaceNodeWithMarkup(oldChild, markup);
if (prevInstance._debugID !== 0) {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: prevInstance._debugID,
type: 'replace with',
payload: markup.toString()
});
} else {
var nextInstance = ReactDOMComponentTree.getInstanceFromNode(markup.node);
if (nextInstance._debugID !== 0) {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: nextInstance._debugID,
type: 'mount',
payload: markup.toString()
});
}
}
}...
});
}
}
var dangerouslyReplaceNodeWithMarkup = Danger.dangerouslyReplaceNodeWithMarkup;
if (process.env.NODE_ENV !== 'production') {
dangerouslyReplaceNodeWithMarkup = function (oldChild, markup, prevInstance) {
Danger.dangerouslyReplaceNodeWithMarkup(oldChild, markup);
if (prevInstance._debugID !== 0) {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: prevInstance._debugID,
type: 'replace with',
payload: markup.toString()
});
} else {
...processUpdates = function (parentNode, updates) {
if (process.env.NODE_ENV !== 'production') {
var parentNodeDebugID = ReactDOMComponentTree.getInstanceFromNode(parentNode)._debugID;
}
for (var k = 0; k < updates.length; k++) {
var update = updates[k];
switch (update.type) {
case 'INSERT_MARKUP':
insertLazyTreeChildAt(parentNode, update.content, getNodeAfter(parentNode, update.afterNode));
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: parentNodeDebugID,
type: 'insert child',
payload: { toIndex: update.toIndex, content: update.content.toString() }
});
}
break;
case 'MOVE_EXISTING':
moveChild(parentNode, update.fromNode, getNodeAfter(parentNode, update.afterNode));
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: parentNodeDebugID,
type: 'move child',
payload: { fromIndex: update.fromIndex, toIndex: update.toIndex }
});
}
break;
case 'SET_MARKUP':
setInnerHTML(parentNode, update.content);
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: parentNodeDebugID,
type: 'replace children',
payload: update.content.toString()
});
}
break;
case 'TEXT_CONTENT':
setTextContent(parentNode, update.content);
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: parentNodeDebugID,
type: 'replace text',
payload: update.content.toString()
});
}
break;
case 'REMOVE_NODE':
removeChild(parentNode, update.fromNode);
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: parentNodeDebugID,
type: 'remove child',
payload: { fromIndex: update.fromIndex }
});
}
break;
}
}
}...
* Updates a component's children by processing a series of updates.
*
* @param {array<object>} updates List of update configurations.
* @internal
*/
dangerouslyProcessChildrenUpdates: function (parentInst, updates) {
var node = ReactDOMComponentTree.getNodeFromInstance(parentInst);
DOMChildrenOperations.processUpdates(node, updates);
}
};
module.exports = ReactDOMIDOperations;
...function replaceDelimitedText(openingComment, closingComment, stringText) {
var parentNode = openingComment.parentNode;
var nodeAfterComment = openingComment.nextSibling;
if (nodeAfterComment === closingComment) {
// There are no text nodes between the opening and closing comments; insert
// a new one if stringText isn't empty.
if (stringText) {
insertChildAt(parentNode, document.createTextNode(stringText), nodeAfterComment);
}
} else {
if (stringText) {
// Set the text content of the first node after the opening comment, and
// remove all following nodes up until the closing comment.
setTextContent(nodeAfterComment, stringText);
removeDelimitedText(parentNode, nodeAfterComment, closingComment);
} else {
removeDelimitedText(parentNode, openingComment, closingComment);
}
}
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: ReactDOMComponentTree.getInstanceFromNode(openingComment)._debugID,
type: 'replace text',
payload: stringText
});
}
}...
var nextStringText = '' + nextText;
if (nextStringText !== this._stringText) {
// TODO: Save this as pending props and use performUpdateIfNecessary
// and/or updateComponent to do the actual update for consistency with
// other component types?
this._stringText = nextStringText;
var commentNodes = this.getHostNode();
DOMChildrenOperations.replaceDelimitedText(commentNodes[0], commentNodes[1], nextStringText
);
}
}
},
getHostNode: function () {
var hostNode = this._commentNodes;
if (hostNode) {
...function DOMLazyTree(node) {
return {
node: node,
children: [],
html: null,
text: null,
toString: toString
};
}n/a
insertTreeBefore = function (parentNode, tree, referenceNode) {
// DocumentFragments aren't actually part of the DOM after insertion so
// appending children won't update the DOM. We need to ensure the fragment
// is properly populated first, breaking out of our lazy approach for just
// this level. Also, some <object> plugins (like Flash Player) will read
// <param> nodes immediately upon insertion into the DOM, so <object>
// must also be populated prior to insertion into the DOM.
if (tree.node.nodeType === DOCUMENT_FRAGMENT_NODE_TYPE || tree.node.nodeType === ELEMENT_NODE_TYPE && tree.node.nodeName.toLowerCase
() === 'object' && (tree.node.namespaceURI == null || tree.node.namespaceURI === DOMNamespaces.html)) {
insertTreeChildren(tree);
parentNode.insertBefore(tree.node, referenceNode);
} else {
parentNode.insertBefore(tree.node, referenceNode);
insertTreeChildren(tree);
}
}...
// We rely exclusively on `insertBefore(node, null)` instead of also using
// `appendChild(node)`. (Using `undefined` is not allowed by all browsers so
// we are careful to use `null`.)
parentNode.insertBefore(childNode, referenceNode);
});
function insertLazyTreeChildAt(parentNode, childTree, referenceNode) {
DOMLazyTree.insertTreeBefore(parentNode, childTree, referenceNode);
}
function moveChild(parentNode, childNode, referenceNode) {
if (Array.isArray(childNode)) {
moveDelimitedText(parentNode, childNode[0], childNode[1], referenceNode);
} else {
insertChildAt(parentNode, childNode, referenceNode);
...function queueChild(parentTree, childTree) {
if (enableLazy) {
parentTree.children.push(childTree);
} else {
parentTree.node.appendChild(childTree.node);
}
}...
setAndValidateContentChildDev.call(this, contentToUse);
}
DOMLazyTree.queueText(lazyTree, contentToUse);
}
} else if (childrenToUse != null) {
var mountImages = this.mountChildren(childrenToUse, transaction, context);
for (var i = 0; i < mountImages.length; i++) {
DOMLazyTree.queueChild(lazyTree, mountImages[i]);
}
}
}
},
/**
* Receives a next element and updates the component.
...function queueHTML(tree, html) {
if (enableLazy) {
tree.html = html;
} else {
setInnerHTML(tree.node, html);
}
}...
},
_createInitialChildren: function (transaction, props, context, lazyTree) {
// Intentional use of != to avoid catching zero/false.
var innerHTML = props.dangerouslySetInnerHTML;
if (innerHTML != null) {
if (innerHTML.__html != null) {
DOMLazyTree.queueHTML(lazyTree, innerHTML.__html);
}
} else {
var contentToUse = CONTENT_TYPES[typeof props.children] ? props.children : null;
var childrenToUse = contentToUse != null ? null : props.children;
// TODO: Validate that text is allowed as a child of this node
if (contentToUse != null) {
// Avoid setting textContent when the text is empty. In IE11 setting
...function queueText(tree, text) {
if (enableLazy) {
tree.text = text;
} else {
setTextContent(tree.node, text);
}
}...
// textContent on a text area 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
if (contentToUse !== '') {
if (process.env.NODE_ENV !== 'production') {
setAndValidateContentChildDev.call(this, contentToUse);
}
DOMLazyTree.queueText(lazyTree, contentToUse);
}
} else if (childrenToUse != null) {
var mountImages = this.mountChildren(childrenToUse, transaction, context);
for (var i = 0; i < mountImages.length; i++) {
DOMLazyTree.queueChild(lazyTree, mountImages[i]);
}
}
...function replaceChildWithTree(oldNode, newTree) {
oldNode.parentNode.replaceChild(newTree.node, oldNode);
insertTreeChildren(newTree);
}...
!markup ? process.env.NODE_ENV !== 'production' ? invariant(false, 'dangerouslyReplaceNodeWithMarkup(...): Missing
markup.') : _prodInvariant('57') : void 0;
!(oldChild.nodeName !== 'HTML') ? process.env.NODE_ENV !== 'production' ? invariant(false, 'dangerouslyReplaceNodeWithMarkup
(...): Cannot replace markup of the <html> node. This is because browser quirks make this unreliable and/or slow. If you
want to render to the root you must use server rendering. See ReactDOMServer.renderToString().') : _prodInvariant('58
') : void 0;
if (typeof markup === 'string') {
var newChild = createNodesFromMarkup(markup, emptyFunction)[0];
oldChild.parentNode.replaceChild(newChild, oldChild);
} else {
DOMLazyTree.replaceChildWithTree(oldChild, markup);
}
}
};
module.exports = Danger;
...isCustomAttribute = function (attributeName) {
for (var i = 0; i < DOMProperty._isCustomAttributeFunctions.length; i++) {
var isCustomAttributeFn = DOMProperty._isCustomAttributeFunctions[i];
if (isCustomAttributeFn(attributeName)) {
return true;
}
}
return false;
}...
return '';
}
var attributeName = propertyInfo.attributeName;
if (propertyInfo.hasBooleanValue || propertyInfo.hasOverloadedBooleanValue && value === true) {
return attributeName + '=""';
}
return attributeName + '=' + quoteAttributeValueForBrowser(value);
} else if (DOMProperty.isCustomAttribute(name)) {
if (value == null) {
return '';
}
return name + '=' + quoteAttributeValueForBrowser(value);
}
return null;
},
...createMarkupForCustomAttribute = function (name, value) {
if (!isAttributeNameSafe(name) || value == null) {
return '';
}
return name + '=' + quoteAttributeValueForBrowser(value);
}...
propValue = this._previousStyleCopy = _assign({}, props.style);
}
propValue = CSSPropertyOperations.createMarkupForStyles(propValue, this);
}
var markup = null;
if (this._tag != null && isCustomComponent(this._tag, props)) {
if (!RESERVED_PROPS.hasOwnProperty(propKey)) {
markup = DOMPropertyOperations.createMarkupForCustomAttribute(propKey, propValue);
}
} else {
markup = DOMPropertyOperations.createMarkupForProperty(propKey, propValue);
}
if (markup) {
ret += ' ' + markup;
}
...createMarkupForID = function (id) {
return DOMProperty.ID_ATTRIBUTE_NAME + '=' + quoteAttributeValueForBrowser(id);
}...
if (transaction.renderToStaticMarkup) {
return ret;
}
if (!this._hostParent) {
ret += ' ' + DOMPropertyOperations.createMarkupForRoot();
}
ret += ' ' + DOMPropertyOperations.createMarkupForID(this._domID);
return ret;
},
/**
* Creates markup for the content between the tags.
*
* @private
...createMarkupForProperty = function (name, value) {
var propertyInfo = DOMProperty.properties.hasOwnProperty(name) ? DOMProperty.properties[name] : null;
if (propertyInfo) {
if (shouldIgnoreValue(propertyInfo, value)) {
return '';
}
var attributeName = propertyInfo.attributeName;
if (propertyInfo.hasBooleanValue || propertyInfo.hasOverloadedBooleanValue && value === true) {
return attributeName + '=""';
}
return attributeName + '=' + quoteAttributeValueForBrowser(value);
} else if (DOMProperty.isCustomAttribute(name)) {
if (value == null) {
return '';
}
return name + '=' + quoteAttributeValueForBrowser(value);
}
return null;
}...
}
var markup = null;
if (this._tag != null && isCustomComponent(this._tag, props)) {
if (!RESERVED_PROPS.hasOwnProperty(propKey)) {
markup = DOMPropertyOperations.createMarkupForCustomAttribute(propKey, propValue);
}
} else {
markup = DOMPropertyOperations.createMarkupForProperty(propKey, propValue);
}
if (markup) {
ret += ' ' + markup;
}
}
}
...createMarkupForRoot = function () {
return DOMProperty.ROOT_ATTRIBUTE_NAME + '=""';
}...
// For static pages, no need to put React ID and checksum. Saves lots of
// bytes.
if (transaction.renderToStaticMarkup) {
return ret;
}
if (!this._hostParent) {
ret += ' ' + DOMPropertyOperations.createMarkupForRoot();
}
ret += ' ' + DOMPropertyOperations.createMarkupForID(this._domID);
return ret;
},
/**
* Creates markup for the content between the tags.
...deleteValueForAttribute = function (node, name) {
node.removeAttribute(name);
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: ReactDOMComponentTree.getInstanceFromNode(node)._debugID,
type: 'remove attribute',
payload: name
});
}
}...
// Only call deleteListener if there was a listener previously or
// else willDeleteListener gets called when there wasn't actually a
// listener (e.g., onClick={null})
deleteListener(this, propKey);
}
} else if (isCustomComponent(this._tag, lastProps)) {
if (!RESERVED_PROPS.hasOwnProperty(propKey)) {
DOMPropertyOperations.deleteValueForAttribute(getNode(this), propKey);
}
} else if (DOMProperty.properties[propKey] || DOMProperty.isCustomAttribute(propKey)) {
DOMPropertyOperations.deleteValueForProperty(getNode(this), propKey);
}
}
for (propKey in nextProps) {
var nextProp = nextProps[propKey];
...deleteValueForProperty = function (node, name) {
var propertyInfo = DOMProperty.properties.hasOwnProperty(name) ? DOMProperty.properties[name] : null;
if (propertyInfo) {
var mutationMethod = propertyInfo.mutationMethod;
if (mutationMethod) {
mutationMethod(node, undefined);
} else if (propertyInfo.mustUseProperty) {
var propName = propertyInfo.propertyName;
if (propertyInfo.hasBooleanValue) {
node[propName] = false;
} else {
node[propName] = '';
}
} else {
node.removeAttribute(propertyInfo.attributeName);
}
} else if (DOMProperty.isCustomAttribute(name)) {
node.removeAttribute(name);
}
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: ReactDOMComponentTree.getInstanceFromNode(node)._debugID,
type: 'remove attribute',
payload: name
});
}
}...
setValueForProperty: function (node, name, value) {
var propertyInfo = DOMProperty.properties.hasOwnProperty(name) ? DOMProperty.properties[name] : null;
if (propertyInfo) {
var mutationMethod = propertyInfo.mutationMethod;
if (mutationMethod) {
mutationMethod(node, value);
} else if (shouldIgnoreValue(propertyInfo, value)) {
this.deleteValueForProperty(node, name);
return;
} else if (propertyInfo.mustUseProperty) {
// Contrary to `setAttribute`, object properties are properly
// `toString`ed by IE8/9.
node[propertyInfo.propertyName] = value;
} else {
var attributeName = propertyInfo.attributeName;
...setAttributeForID = function (node, id) {
node.setAttribute(DOMProperty.ID_ATTRIBUTE_NAME, id);
}n/a
setAttributeForRoot = function (node) {
node.setAttribute(DOMProperty.ROOT_ATTRIBUTE_NAME, '');
}...
}
} else {
el = ownerDocument.createElementNS(namespaceURI, this._currentElement.type);
}
ReactDOMComponentTree.precacheNode(this, el);
this._flags |= Flags.hasCachedChildNodes;
if (!this._hostParent) {
DOMPropertyOperations.setAttributeForRoot(el);
}
this._updateDOMProperties(null, props, transaction);
var lazyTree = DOMLazyTree(el);
this._createInitialChildren(transaction, props, context, lazyTree);
mountImage = lazyTree;
} else {
var tagOpen = this._createOpenTagMarkupAndPutListeners(transaction, props);
...setValueForAttribute = function (node, name, value) {
if (!isAttributeNameSafe(name)) {
return;
}
if (value == null) {
node.removeAttribute(name);
} else {
node.setAttribute(name, '' + value);
}
if (process.env.NODE_ENV !== 'production') {
var payload = {};
payload[name] = value;
ReactInstrumentation.debugTool.onHostOperation({
instanceID: ReactDOMComponentTree.getInstanceFromNode(node)._debugID,
type: 'update attribute',
payload: payload
});
}
}...
} else if (propertyInfo.hasBooleanValue || propertyInfo.hasOverloadedBooleanValue && value === true) {
node.setAttribute(attributeName, '');
} else {
node.setAttribute(attributeName, '' + value);
}
}
} else if (DOMProperty.isCustomAttribute(name)) {
DOMPropertyOperations.setValueForAttribute(node, name, value);
return;
}
if (process.env.NODE_ENV !== 'production') {
var payload = {};
payload[name] = value;
ReactInstrumentation.debugTool.onHostOperation({
...setValueForProperty = function (node, name, value) {
var propertyInfo = DOMProperty.properties.hasOwnProperty(name) ? DOMProperty.properties[name] : null;
if (propertyInfo) {
var mutationMethod = propertyInfo.mutationMethod;
if (mutationMethod) {
mutationMethod(node, value);
} else if (shouldIgnoreValue(propertyInfo, value)) {
this.deleteValueForProperty(node, name);
return;
} else if (propertyInfo.mustUseProperty) {
// Contrary to `setAttribute`, object properties are properly
// `toString`ed by IE8/9.
node[propertyInfo.propertyName] = value;
} else {
var attributeName = propertyInfo.attributeName;
var namespace = propertyInfo.attributeNamespace;
// `setAttribute` with objects becomes only `[object]` in IE8/9,
// ('' + value) makes it output the correct toString()-value.
if (namespace) {
node.setAttributeNS(namespace, attributeName, '' + value);
} else if (propertyInfo.hasBooleanValue || propertyInfo.hasOverloadedBooleanValue && value === true) {
node.setAttribute(attributeName, '');
} else {
node.setAttribute(attributeName, '' + value);
}
}
} else if (DOMProperty.isCustomAttribute(name)) {
DOMPropertyOperations.setValueForAttribute(node, name, value);
return;
}
if (process.env.NODE_ENV !== 'production') {
var payload = {};
payload[name] = value;
ReactInstrumentation.debugTool.onHostOperation({
instanceID: ReactDOMComponentTree.getInstanceFromNode(node)._debugID,
type: 'update attribute',
payload: payload
});
}
}...
}
} else if (DOMProperty.properties[propKey] || DOMProperty.isCustomAttribute(propKey)) {
var node = getNode(this);
// If we're updating to null or undefined, we should remove the property
// from the DOM node instead of inadvertently setting to a string. This
// brings us in line with the same behavior we have on initial render.
if (nextProp != null) {
DOMPropertyOperations.setValueForProperty(node, propKey, nextProp);
} else {
DOMPropertyOperations.deleteValueForProperty(node, propKey);
}
}
}
if (styleUpdates) {
CSSPropertyOperations.setValueForStyles(getNode(this), styleUpdates, this);
...dangerouslyReplaceNodeWithMarkup = function (oldChild, markup) {
!ExecutionEnvironment.canUseDOM ? process.env.NODE_ENV !== 'production' ? invariant(false, 'dangerouslyReplaceNodeWithMarkup(...):
Cannot render markup in a worker thread. Make sure `window` and `document` are available globally before requiring React when unit
testing or use ReactDOMServer.renderToString() for server rendering.') : _prodInvariant('56') : void 0;
!markup ? process.env.NODE_ENV !== 'production' ? invariant(false, 'dangerouslyReplaceNodeWithMarkup(...): Missing markup.') :
_prodInvariant('57') : void 0;
!(oldChild.nodeName !== 'HTML') ? process.env.NODE_ENV !== 'production' ? invariant(false, 'dangerouslyReplaceNodeWithMarkup(...):
Cannot replace markup of the <html> node. This is because browser quirks make this unreliable and/or slow. If you want to render
to the root you must use server rendering. See ReactDOMServer.renderToString().') : _prodInvariant('58') : void 0;
if (typeof markup === 'string') {
var newChild = createNodesFromMarkup(markup, emptyFunction)[0];
oldChild.parentNode.replaceChild(newChild, oldChild);
} else {
DOMLazyTree.replaceChildWithTree(oldChild, markup);
}
}...
});
}
}
var dangerouslyReplaceNodeWithMarkup = Danger.dangerouslyReplaceNodeWithMarkup;
if (process.env.NODE_ENV !== 'production') {
dangerouslyReplaceNodeWithMarkup = function (oldChild, markup, prevInstance) {
Danger.dangerouslyReplaceNodeWithMarkup(oldChild, markup);
if (prevInstance._debugID !== 0) {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: prevInstance._debugID,
type: 'replace with',
payload: markup.toString()
});
} else {
...extractEvents = function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
if (topLevelType === 'topMouseOver' && (nativeEvent.relatedTarget || nativeEvent.fromElement)) {
return null;
}
if (topLevelType !== 'topMouseOut' && topLevelType !== 'topMouseOver') {
// Must not be a mouse in or mouse out - ignoring.
return null;
}
var win;
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;
var to;
if (topLevelType === 'topMouseOut') {
from = targetInst;
var related = nativeEvent.relatedTarget || nativeEvent.toElement;
to = related ? ReactDOMComponentTree.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 fromNode = from == null ? win : ReactDOMComponentTree.getNodeFromInstance(from);
var toNode = to == null ? win : ReactDOMComponentTree.getNodeFromInstance(to);
var leave = SyntheticMouseEvent.getPooled(eventTypes.mouseLeave, from, nativeEvent, nativeEventTarget);
leave.type = 'mouseleave';
leave.target = fromNode;
leave.relatedTarget = toNode;
var enter = SyntheticMouseEvent.getPooled(eventTypes.mouseEnter, to, nativeEvent, nativeEventTarget);
enter.type = 'mouseenter';
enter.target = toNode;
enter.relatedTarget = fromNode;
EventPropagators.accumulateEnterLeaveDispatches(leave, enter, from, to);
return [leave, enter];
}...
extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var events;
var plugins = EventPluginRegistry.plugins;
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;
},
...__getListenerBank = function () {
return listenerBank;
}n/a
__purge = function () {
listenerBank = {};
}n/a
deleteAllListeners = function (inst) {
var key = getDictionaryKey(inst);
for (var registrationName in listenerBank) {
if (!listenerBank.hasOwnProperty(registrationName)) {
continue;
}
if (!listenerBank[registrationName][key]) {
continue;
}
var PluginModule = EventPluginRegistry.registrationNameModules[registrationName];
if (PluginModule && PluginModule.willDeleteListener) {
PluginModule.willDeleteListener(inst, registrationName);
}
delete listenerBank[registrationName][key];
}
}...
*/
!false ? process.env.NODE_ENV !== 'production' ? invariant(false, '<%s> tried to unmount. Because of
cross-browser quirks it is impossible to unmount some top-level components (eg <html>, <head>, and <body
>) reliably and efficiently. To fix this, have a single top-level component that never unmounts render these elements.'
;, this._tag) : _prodInvariant('66', this._tag) : void 0;
break;
}
this.unmountChildren(safely);
ReactDOMComponentTree.uncacheNode(this);
EventPluginHub.deleteAllListeners(this);
this._rootNodeID = 0;
this._domID = 0;
this._wrapperState = null;
if (process.env.NODE_ENV !== 'production') {
setAndValidateContentChildDev.call(this, null);
}
...deleteListener = function (inst, registrationName) {
var PluginModule = EventPluginRegistry.registrationNameModules[registrationName];
if (PluginModule && PluginModule.willDeleteListener) {
PluginModule.willDeleteListener(inst, registrationName);
}
var bankForRegistrationName = listenerBank[registrationName];
// TODO: This should never be null -- when is it?
if (bankForRegistrationName) {
var key = getDictionaryKey(inst);
delete bankForRegistrationName[key];
}
}n/a
enqueueEvents = function (events) {
if (events) {
eventQueue = accumulateInto(eventQueue, events);
}
}...
// 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.
ReactUpdates.batchedUpdates(runEventInBatch, event);
}
function runEventInBatch(event) {
EventPluginHub.enqueueEvents(event);
EventPluginHub.processEventQueue(false);
}
function startWatchingForChangeEventIE8(target, targetInst) {
activeElement = target;
activeElementInst = targetInst;
activeElement.attachEvent('onchange', manualDispatchChangeEvent);
...extractEvents = function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var events;
var plugins = EventPluginRegistry.plugins;
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;
}...
extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var events;
var plugins = EventPluginRegistry.plugins;
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;
},
...getListener = function (inst, registrationName) {
// TODO: shouldPreventMouseEvent is DOM-specific and definitely should not
// live here; needs to be moved to a better place soon
var bankForRegistrationName = listenerBank[registrationName];
if (shouldPreventMouseEvent(registrationName, inst._currentElement.type, inst._currentElement.props)) {
return null;
}
var key = getDictionaryKey(inst);
return bankForRegistrationName && bankForRegistrationName[key];
}n/a
processEventQueue = function (simulated) {
// 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 (simulated) {
forEachAccumulated(processingEventQueue, executeDispatchesAndReleaseSimulated);
} else {
forEachAccumulated(processingEventQueue, executeDispatchesAndReleaseTopLevel);
}
!!eventQueue ? process.env.NODE_ENV !== 'production' ? invariant(false, 'processEventQueue(): Additional events were enqueued
while processing an event queue. Support for this has not yet been implemented.') : _prodInvariant('95') : void 0;
// This would be a good time to rethrow if any of the event handlers threw.
ReactErrorUtils.rethrowCaughtError();
}...
// the component is rerendered and the value reverted before all the event
// handlers can run. See https://github.com/facebook/react/issues/708.
ReactUpdates.batchedUpdates(runEventInBatch, event);
}
function runEventInBatch(event) {
EventPluginHub.enqueueEvents(event);
EventPluginHub.processEventQueue(false);
}
function startWatchingForChangeEventIE8(target, targetInst) {
activeElement = target;
activeElementInst = targetInst;
activeElement.attachEvent('onchange', manualDispatchChangeEvent);
}
...putListener = function (inst, registrationName, listener) {
!(typeof listener === 'function') ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Expected %s listener to be a function
, instead got type %s', registrationName, typeof listener) : _prodInvariant('94', registrationName, typeof listener) : void 0;
var key = getDictionaryKey(inst);
var bankForRegistrationName = listenerBank[registrationName] || (listenerBank[registrationName] = {});
bankForRegistrationName[key] = listener;
var PluginModule = EventPluginRegistry.registrationNameModules[registrationName];
if (PluginModule && PluginModule.didPutListener) {
PluginModule.didPutListener(inst, registrationName, listener);
}
}...
return alreadyListeningTo[mountAt[topListenersIDKey]];
}
/**
* `ReactBrowserEventEmitter` is used to attach top-level event listeners. For
* example:
*
* EventPluginHub.putListener('myID', 'onClick', myFunction);
*
* This would allocate a "registration" of `('onClick', myFunction)` on 'myID'.
*
* @internal
*/
var ReactBrowserEventEmitter = _assign({}, ReactEventEmitterMixin, {
..._resetEventPlugins = function () {
eventPluginOrder = null;
for (var pluginName in namesToPlugins) {
if (namesToPlugins.hasOwnProperty(pluginName)) {
delete namesToPlugins[pluginName];
}
}
EventPluginRegistry.plugins.length = 0;
var eventNameDispatchConfigs = EventPluginRegistry.eventNameDispatchConfigs;
for (var eventName in eventNameDispatchConfigs) {
if (eventNameDispatchConfigs.hasOwnProperty(eventName)) {
delete eventNameDispatchConfigs[eventName];
}
}
var registrationNameModules = EventPluginRegistry.registrationNameModules;
for (var registrationName in registrationNameModules) {
if (registrationNameModules.hasOwnProperty(registrationName)) {
delete registrationNameModules[registrationName];
}
}
if (process.env.NODE_ENV !== 'production') {
var possibleRegistrationNames = EventPluginRegistry.possibleRegistrationNames;
for (var lowerCasedName in possibleRegistrationNames) {
if (possibleRegistrationNames.hasOwnProperty(lowerCasedName)) {
delete possibleRegistrationNames[lowerCasedName];
}
}
}
}n/a
getPluginModuleForEvent = function (event) {
var dispatchConfig = event.dispatchConfig;
if (dispatchConfig.registrationName) {
return EventPluginRegistry.registrationNameModules[dispatchConfig.registrationName] || null;
}
if (dispatchConfig.phasedRegistrationNames !== undefined) {
// pulling phasedRegistrationNames out of dispatchConfig helps Flow see
// that it is not undefined.
var phasedRegistrationNames = dispatchConfig.phasedRegistrationNames;
for (var phase in phasedRegistrationNames) {
if (!phasedRegistrationNames.hasOwnProperty(phase)) {
continue;
}
var pluginModule = EventPluginRegistry.registrationNameModules[phasedRegistrationNames[phase]];
if (pluginModule) {
return pluginModule;
}
}
}
return null;
}n/a
injectEventPluginOrder = function (injectedEventPluginOrder) {
!!eventPluginOrder ? process.env.NODE_ENV !== 'production' ? invariant(false, 'EventPluginRegistry: Cannot inject event plugin
ordering more than once. You are likely trying to load more than one copy of React.') : _prodInvariant('101') : void 0;
// Clone the ordering so it cannot be dynamically mutated.
eventPluginOrder = Array.prototype.slice.call(injectedEventPluginOrder);
recomputePluginOrdering();
}...
alreadyInjected = true;
ReactInjection.EventEmitter.injectReactEventListener(ReactEventListener);
/**
* Inject modules for resolving DOM hierarchy and plugin ordering.
*/
ReactInjection.EventPluginHub.injectEventPluginOrder(DefaultEventPluginOrder);
ReactInjection.EventPluginUtils.injectComponentTree(ReactDOMComponentTree);
ReactInjection.EventPluginUtils.injectTreeTraversal(ReactDOMTreeTraversal);
/**
* Some important event plugins included by default (without having to require
* them).
*/
...injectEventPluginsByName = function (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] ? process.env.NODE_ENV !== 'production' ? invariant(false, 'EventPluginRegistry: Cannot inject
two different event plugins using the same name, `%s`.', pluginName) : _prodInvariant('102', pluginName) : void 0;
namesToPlugins[pluginName] = pluginModule;
isOrderingDirty = true;
}
}
if (isOrderingDirty) {
recomputePluginOrdering();
}
}...
ReactInjection.EventPluginUtils.injectComponentTree(ReactDOMComponentTree);
ReactInjection.EventPluginUtils.injectTreeTraversal(ReactDOMTreeTraversal);
/**
* Some important event plugins included by default (without having to require
* them).
*/
ReactInjection.EventPluginHub.injectEventPluginsByName({
SimpleEventPlugin: SimpleEventPlugin,
EnterLeaveEventPlugin: EnterLeaveEventPlugin,
ChangeEventPlugin: ChangeEventPlugin,
SelectEventPlugin: SelectEventPlugin,
BeforeInputEventPlugin: BeforeInputEventPlugin
});
...function executeDirectDispatch(event) {
if (process.env.NODE_ENV !== 'production') {
validateEventDispatches(event);
}
var dispatchListener = event._dispatchListeners;
var dispatchInstance = event._dispatchInstances;
!!Array.isArray(dispatchListener) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'executeDirectDispatch(...): Invalid
`event`.') : _prodInvariant('103') : void 0;
event.currentTarget = dispatchListener ? EventPluginUtils.getNodeFromInstance(dispatchInstance) : null;
var res = dispatchListener ? dispatchListener(event) : null;
event.currentTarget = null;
event._dispatchListeners = null;
event._dispatchInstances = null;
return res;
}n/a
function executeDispatchesInOrder(event, simulated) {
var dispatchListeners = event._dispatchListeners;
var dispatchInstances = event._dispatchInstances;
if (process.env.NODE_ENV !== 'production') {
validateEventDispatches(event);
}
if (Array.isArray(dispatchListeners)) {
for (var i = 0; i < dispatchListeners.length; i++) {
if (event.isPropagationStopped()) {
break;
}
// Listeners and Instances are two parallel arrays that are always in sync.
executeDispatch(event, simulated, dispatchListeners[i], dispatchInstances[i]);
}
} else if (dispatchListeners) {
executeDispatch(event, simulated, dispatchListeners, dispatchInstances);
}
event._dispatchListeners = null;
event._dispatchInstances = null;
}...
*
* @param {?object} event Synthetic event to be dispatched.
* @param {boolean} simulated If the event is simulated (changes exn behavior)
* @private
*/
var executeDispatchesAndRelease = function (event, simulated) {
if (event) {
EventPluginUtils.executeDispatchesInOrder(event, simulated);
if (!event.isPersistent()) {
event.constructor.release(event);
}
}
};
var executeDispatchesAndReleaseSimulated = function (e) {
...function executeDispatchesInOrderStopAtTrue(event) {
var ret = executeDispatchesInOrderStopAtTrueImpl(event);
event._dispatchInstances = null;
event._dispatchListeners = null;
return ret;
}n/a
getInstanceFromNode = function (node) {
return ComponentTree.getInstanceFromNode(node);
}...
} else {
removeDelimitedText(parentNode, openingComment, closingComment);
}
}
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: ReactDOMComponentTree.getInstanceFromNode(openingComment)._debugID,
type: 'replace text',
payload: stringText
});
}
}
var dangerouslyReplaceNodeWithMarkup = Danger.dangerouslyReplaceNodeWithMarkup;
...getLowestCommonAncestor = function (a, b) {
return TreeTraversal.getLowestCommonAncestor(a, b);
}...
getNodeFromInstance: function (node) {
return ComponentTree.getNodeFromInstance(node);
},
isAncestor: function (a, b) {
return TreeTraversal.isAncestor(a, b);
},
getLowestCommonAncestor: function (a, b) {
return TreeTraversal.getLowestCommonAncestor(a, b);
},
getParentInstance: function (inst) {
return TreeTraversal.getParentInstance(inst);
},
traverseTwoPhase: function (target, fn, arg) {
return TreeTraversal.traverseTwoPhase(target, fn, arg);
},
...getNodeFromInstance = function (node) {
return ComponentTree.getNodeFromInstance(node);
}...
var ReactDOMComponentTree = require('./ReactDOMComponentTree');
var focusNode = require('fbjs/lib/focusNode');
var AutoFocusUtils = {
focusDOMComponent: function () {
focusNode(ReactDOMComponentTree.getNodeFromInstance(this));
}
};
module.exports = AutoFocusUtils;
...getParentInstance = function (inst) {
return TreeTraversal.getParentInstance(inst);
}...
isAncestor: function (a, b) {
return TreeTraversal.isAncestor(a, b);
},
getLowestCommonAncestor: function (a, b) {
return TreeTraversal.getLowestCommonAncestor(a, b);
},
getParentInstance: function (inst) {
return TreeTraversal.getParentInstance(inst);
},
traverseTwoPhase: function (target, fn, arg) {
return TreeTraversal.traverseTwoPhase(target, fn, arg);
},
traverseEnterLeave: function (from, to, fn, argFrom, argTo) {
return TreeTraversal.traverseEnterLeave(from, to, fn, argFrom, argTo);
},
...function hasDispatches(event) {
return !!event._dispatchListeners;
}n/a
isAncestor = function (a, b) {
return TreeTraversal.isAncestor(a, b);
}...
getInstanceFromNode: function (node) {
return ComponentTree.getInstanceFromNode(node);
},
getNodeFromInstance: function (node) {
return ComponentTree.getNodeFromInstance(node);
},
isAncestor: function (a, b) {
return TreeTraversal.isAncestor(a, b);
},
getLowestCommonAncestor: function (a, b) {
return TreeTraversal.getLowestCommonAncestor(a, b);
},
getParentInstance: function (inst) {
return TreeTraversal.getParentInstance(inst);
},
...function isEndish(topLevelType) {
return topLevelType === 'topMouseUp' || topLevelType === 'topTouchEnd' || topLevelType === 'topTouchCancel';
}n/a
function isMoveish(topLevelType) {
return topLevelType === 'topMouseMove' || topLevelType === 'topTouchMove';
}n/a
function isStartish(topLevelType) {
return topLevelType === 'topMouseDown' || topLevelType === 'topTouchStart';
}n/a
traverseEnterLeave = function (from, to, fn, argFrom, argTo) {
return TreeTraversal.traverseEnterLeave(from, to, fn, argFrom, argTo);
}...
getParentInstance: function (inst) {
return TreeTraversal.getParentInstance(inst);
},
traverseTwoPhase: function (target, fn, arg) {
return TreeTraversal.traverseTwoPhase(target, fn, arg);
},
traverseEnterLeave: function (from, to, fn, argFrom, argTo) {
return TreeTraversal.traverseEnterLeave(from, to, fn, argFrom, argTo);
},
injection: injection
};
module.exports = EventPluginUtils;
...traverseTwoPhase = function (target, fn, arg) {
return TreeTraversal.traverseTwoPhase(target, fn, arg);
}...
getLowestCommonAncestor: function (a, b) {
return TreeTraversal.getLowestCommonAncestor(a, b);
},
getParentInstance: function (inst) {
return TreeTraversal.getParentInstance(inst);
},
traverseTwoPhase: function (target, fn, arg) {
return TreeTraversal.traverseTwoPhase(target, fn, arg);
},
traverseEnterLeave: function (from, to, fn, argFrom, argTo) {
return TreeTraversal.traverseEnterLeave(from, to, fn, argFrom, argTo);
},
injection: injection
};
...function accumulateDirectDispatches(events) {
forEachAccumulated(events, accumulateDirectDispatchesSingle);
}...
// sure it's marked and won't warn when setting additional properties.
event.persist();
_assign(event, eventData);
if (dispatchConfig.phasedRegistrationNames) {
EventPropagators.accumulateTwoPhaseDispatches(event);
} else {
EventPropagators.accumulateDirectDispatches(event);
}
ReactUpdates.batchedUpdates(function () {
EventPluginHub.enqueueEvents(event);
EventPluginHub.processEventQueue(true);
});
};
...function accumulateEnterLeaveDispatches(leave, enter, from, to) {
EventPluginUtils.traverseEnterLeave(from, to, accumulateDispatches, leave, enter);
}...
leave.relatedTarget = toNode;
var enter = SyntheticMouseEvent.getPooled(eventTypes.mouseEnter, to, nativeEvent, nativeEventTarget);
enter.type = 'mouseenter';
enter.target = toNode;
enter.relatedTarget = fromNode;
EventPropagators.accumulateEnterLeaveDispatches(leave, enter, from, to);
return [leave, enter];
}
};
module.exports = EnterLeaveEventPlugin;
...function accumulateTwoPhaseDispatches(events) {
forEachAccumulated(events, accumulateTwoPhaseDispatchesSingle);
}...
} else {
var customData = getDataFromCustomEvent(nativeEvent);
if (customData !== null) {
event.data = customData;
}
}
EventPropagators.accumulateTwoPhaseDispatches(event);
return event;
}
/**
* @param {string} topLevelType Record from `EventConstants`.
* @param {object} nativeEvent Native browser event.
* @return {?string} The string corresponding to this `beforeInput` event.
...function accumulateTwoPhaseDispatchesSkipTarget(events) {
forEachAccumulated(events, accumulateTwoPhaseDispatchesSingleSkipTarget);
}...
// (deepest ID) if it happens to be the current responder. The reasoning:
// It's strange to get an `onMoveShouldSetResponder` when you're *already*
// the responder.
var skipOverBubbleShouldSetFrom = bubbleShouldSetFrom === responderInst;
var shouldSetEvent = ResponderSyntheticEvent.getPooled(shouldSetEventType, bubbleShouldSetFrom, nativeEvent, nativeEventTarget);
shouldSetEvent.touchHistory = ResponderTouchHistoryStore.touchHistory;
if (skipOverBubbleShouldSetFrom) {
EventPropagators.accumulateTwoPhaseDispatchesSkipTarget(shouldSetEvent);
} else {
EventPropagators.accumulateTwoPhaseDispatches(shouldSetEvent);
}
var wantsResponderInst = executeDispatchesInOrderStopAtTrue(shouldSetEvent);
if (!shouldSetEvent.isPersistent()) {
shouldSetEvent.constructor.release(shouldSetEvent);
}
...function FallbackCompositionState(root) {
this._root = root;
this._startText = this.getText();
this._fallbackText = null;
}n/a
getPooled = function (copyFieldsFrom) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, copyFieldsFrom);
return instance;
} else {
return new Klass(copyFieldsFrom);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...destructor = function () {
this._root = null;
this._startText = null;
this._fallbackText = null;
}...
return new Klass(a1, a2, a3, a4);
}
};
var standardReleaser = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance
into a pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
};
var DEFAULT_POOL_SIZE = 10;
var DEFAULT_POOLER = oneArgumentPooler;
...getData = function () {
if (this._fallbackText) {
return this._fallbackText;
}
var start;
var startValue = this._startText;
var startLength = startValue.length;
var end;
var endValue = this.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;
this._fallbackText = endValue.slice(start, sliceTail);
return this._fallbackText;
}...
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
var event = SyntheticCompositionEvent.getPooled(eventType, targetInst, nativeEvent, nativeEventTarget);
if (fallbackData) {
...getText = function () {
if ('value' in this._root) {
return this._root.value;
}
return this._root[getTextContentAccessor()];
}...
* browser may natively replace the target node during composition, we can
* use its position to find its replacement.
*
* @param {DOMEventTarget} root
*/
function FallbackCompositionState(root) {
this._root = root;
this._startText = this.getText();
this._fallbackText = null;
}
_assign(FallbackCompositionState.prototype, {
destructor: function () {
this._root = null;
this._startText = null;
...isCustomAttribute = function () { [native code] }...
return '';
}
var attributeName = propertyInfo.attributeName;
if (propertyInfo.hasBooleanValue || propertyInfo.hasOverloadedBooleanValue && value === true) {
return attributeName + '=""';
}
return attributeName + '=' + quoteAttributeValueForBrowser(value);
} else if (DOMProperty.isCustomAttribute(name)) {
if (value == null) {
return '';
}
return name + '=' + quoteAttributeValueForBrowser(value);
}
return null;
},
...function escape(key) {
var escapeRegex = /[=:]/g;
var escaperLookup = {
'=': '=0',
':': '=2'
};
var escapedString = ('' + key).replace(escapeRegex, function (match) {
return escaperLookup[match];
});
return '$' + escapedString;
}...
* @return {string}
*/
function getComponentKey(component, index) {
// Do some typechecking here since we call this blindly. We want to ensure
// that we don't block potential future ES APIs.
if (component && typeof component === 'object' && component.key != null) {
// Explicit key
return KeyEscapeUtils.escape(component.key);
}
// Implicit key determined by the index in the set
return index.toString(36);
}
/**
* @param {?*} children Children tree container.
...function unescape(key) {
var unescapeRegex = /(=0|=2)/g;
var unescaperLookup = {
'=0': '=',
'=2': ':'
};
var keySubstring = key[0] === '.' && key[1] === '$' ? key.substring(2) : key.substring(1);
return ('' + keySubstring).replace(unescapeRegex, function (match) {
return unescaperLookup[match];
});
}...
// We found a component instance.
var keyUnique = childInstances[name] === undefined;
if (process.env.NODE_ENV !== 'production') {
if (!ReactComponentTreeHook) {
ReactComponentTreeHook = require('react/lib/ReactComponentTreeHook');
}
if (!keyUnique) {
process.env.NODE_ENV !== 'production' ? warning(false, 'flattenChildren(...): Encountered two children with
the same key, ' + '`%s`. Child keys must be unique; when two children share a key, only ' + 'the first child
will be used.%s', KeyEscapeUtils.unescape(name), ReactComponentTreeHook.getStackAddendumByID
(selfDebugID)) : void 0;
}
}
if (child != null && keyUnique) {
childInstances[name] = instantiateReactComponent(child, true);
}
}
...checkPropTypes = function (tagName, props, owner) {
for (var propName in propTypes) {
if (propTypes.hasOwnProperty(propName)) {
var error = propTypes[propName](props, propName, tagName, 'prop', null, ReactPropTypesSecret);
}
if (error instanceof Error && !(error.message in loggedTypeFailures)) {
// Only monitor this failure once because there tends to be a lot of the
// same error.
loggedTypeFailures[error.message] = true;
var addendum = getDeclarationErrorAddendum(owner);
process.env.NODE_ENV !== 'production' ? warning(false, 'Failed form propType: %s%s', error.message, addendum) : void 0;
}
}
}...
});
return hostProps;
},
mountWrapper: function (inst, props) {
if (process.env.NODE_ENV !== 'production') {
LinkedValueUtils.checkPropTypes('input', props, inst._currentElement._owner
);
var owner = inst._currentElement._owner;
if (props.valueLink !== undefined && !didWarnValueLink) {
process.env.NODE_ENV !== 'production' ? warning(false, '`valueLink` prop on `input` is deprecated; set `value`
and `onChange` instead.') : void 0;
didWarnValueLink = true;
}
...executeOnChange = function (inputProps, event) {
if (inputProps.valueLink) {
_assertValueLink(inputProps);
return inputProps.valueLink.requestChange(event.target.value);
} else if (inputProps.checkedLink) {
_assertCheckedLink(inputProps);
return inputProps.checkedLink.requestChange(event.target.checked);
} else if (inputProps.onChange) {
return inputProps.onChange.call(undefined, event);
}
}...
}
}
};
function _handleChange(event) {
var props = this._currentElement.props;
var returnValue = LinkedValueUtils.executeOnChange(props, event);
// Here we use asap to wait until all updates have propagated, which
// is important when using controlled components within layers:
// https://github.com/facebook/react/issues/1698
ReactUpdates.asap(forceUpdateIfMounted, this);
var name = props.name;
...getChecked = function (inputProps) {
if (inputProps.checkedLink) {
_assertCheckedLink(inputProps);
return inputProps.checkedLink.value;
}
return inputProps.checked;
}...
* with an empty value (or `defaultValue`).
*
* @see http://www.w3.org/TR/2012/WD-html5-20121025/the-input-element.html
*/
var ReactDOMInput = {
getHostProps: function (inst, props) {
var value = LinkedValueUtils.getValue(props);
var checked = LinkedValueUtils.getChecked(props);
var hostProps = _assign({
// Make sure we set .type before any other properties (setting .value
// before .type means .value is lost in IE11 and below)
type: undefined,
// Make sure we set .step before .value (setting .value before .step
// means .value is rounded on mount, based upon step precision)
...getValue = function (inputProps) {
if (inputProps.valueLink) {
_assertValueLink(inputProps);
return inputProps.valueLink.value;
}
return inputProps.value;
}...
* 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
*/
var ReactDOMInput = {
getHostProps: function (inst, props) {
var value = LinkedValueUtils.getValue(props);
var checked = LinkedValueUtils.getChecked(props);
var hostProps = _assign({
// Make sure we set .type before any other properties (setting .value
// before .type means .value is lost in IE11 and below)
type: undefined,
// Make sure we set .step before .value (setting .value before .step
...addPoolingTo = function (CopyConstructor, pooler) {
// Casting as any so that flow ignores the actual implementation and trusts
// it to match the type we declared
var NewKlass = CopyConstructor;
NewKlass.instancePool = [];
NewKlass.getPooled = pooler || DEFAULT_POOLER;
if (!NewKlass.poolSize) {
NewKlass.poolSize = DEFAULT_POOL_SIZE;
}
NewKlass.release = standardReleaser;
return NewKlass;
}...
CallbackQueue.prototype.destructor = function destructor() {
this.reset();
};
return CallbackQueue;
}();
module.exports = PooledClass.addPoolingTo(CallbackQueue);
...fourArgumentPooler = function (a1, a2, a3, a4) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3, a4);
return instance;
} else {
return new Klass(a1, a2, a3, a4);
}
}n/a
oneArgumentPooler = function (copyFieldsFrom) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, copyFieldsFrom);
return instance;
} else {
return new Klass(copyFieldsFrom);
}
}n/a
threeArgumentPooler = function (a1, a2, a3) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3);
return instance;
} else {
return new Klass(a1, a2, a3);
}
}n/a
twoArgumentPooler = function (a1, a2) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2);
return instance;
} else {
return new Klass(a1, a2);
}
}n/a
ensureScrollValueMonitoring = function () {
if (hasEventPageXY === undefined) {
hasEventPageXY = ReactBrowserEventEmitter.supportsEventPageXY();
}
if (!hasEventPageXY && !isMonitoringScrollValue) {
var refresh = ViewportMetrics.refreshScrollValues;
ReactBrowserEventEmitter.ReactEventListener.monitorScrollValue(refresh);
isMonitoringScrollValue = true;
}
}...
// Various parts of our code (such as ReactCompositeComponent's
// _renderValidatedComponent) assume that calls to render aren't nested;
// verify that that's the case.
process.env.NODE_ENV !== 'production' ? warning(ReactCurrentOwner.current == null, '_renderNewRootComponent(): Render
methods should be a pure function ' + 'of props and state; triggering nested component updates from ' + 'render
is not allowed. If necessary, trigger nested updates in ' + 'componentDidUpdate. Check the render method of %s.',
ReactCurrentOwner.current && ReactCurrentOwner.current.getName() || 'ReactCompositeComponent') : void 0;
!isValidContainer(container) ? process.env.NODE_ENV !== 'production' ? invariant(false, '_registerComponent(...):
Target container is not a DOM element.') : _prodInvariant('37') : void 0;
ReactBrowserEventEmitter.ensureScrollValueMonitoring();
var componentInstance = instantiateReactComponent(nextElement, false);
// The initial render is synchronous but any updates that happen during
// rendering, in componentWillMount or componentDidMount, will be batched
// according to the current batching strategy.
ReactUpdates.batchedUpdates(batchedMountComponentIntoNode, componentInstance, container, shouldReuseMarkup, context);
...handleTopLevel = function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var events = EventPluginHub.extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget);
runEventQueueInBatch(events);
}n/a
isEnabled = function () {
return !!(ReactBrowserEventEmitter.ReactEventListener && ReactBrowserEventEmitter.ReactEventListener.isEnabled());
}...
}
},
/**
* @return {boolean} True if callbacks are enabled.
*/
isEnabled: function () {
return !!(ReactBrowserEventEmitter.ReactEventListener && ReactBrowserEventEmitter.ReactEventListener.isEnabled());
},
/**
* 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
...listenTo = function (registrationName, contentDocumentHandle) {
var mountAt = contentDocumentHandle;
var isListening = getListeningForDocument(mountAt);
var dependencies = EventPluginRegistry.registrationNameDependencies[registrationName];
for (var i = 0; i < dependencies.length; i++) {
var dependency = dependencies[i];
if (!(isListening.hasOwnProperty(dependency) && isListening[dependency])) {
if (dependency === 'topWheel') {
if (isEventSupported('wheel')) {
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent('topWheel', 'wheel', mountAt);
} else if (isEventSupported('mousewheel')) {
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent('topWheel', 'mousewheel', mountAt);
} else {
// Firefox needs to capture a different mouse scroll event.
// @see http://www.quirksmode.org/dom/events/tests/scroll.html
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent('topWheel', 'DOMMouseScroll', mountAt);
}
} else if (dependency === 'topScroll') {
if (isEventSupported('scroll', true)) {
ReactBrowserEventEmitter.ReactEventListener.trapCapturedEvent('topScroll', 'scroll', mountAt);
} else {
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent('topScroll', 'scroll', ReactBrowserEventEmitter.ReactEventListener
.WINDOW_HANDLE);
}
} else if (dependency === 'topFocus' || dependency === 'topBlur') {
if (isEventSupported('focus', true)) {
ReactBrowserEventEmitter.ReactEventListener.trapCapturedEvent('topFocus', 'focus', mountAt);
ReactBrowserEventEmitter.ReactEventListener.trapCapturedEvent('topBlur', 'blur', mountAt);
} else if (isEventSupported('focusin')) {
// IE has `focusin` and `focusout` events which bubble.
// @see http://www.quirksmode.org/blog/archives/2008/04/delegating_the.html
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent('topFocus', 'focusin', mountAt);
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent('topBlur', 'focusout', mountAt);
}
// to make sure blur and focus event listeners are only attached once
isListening.topBlur = true;
isListening.topFocus = true;
} else if (topEventMapping.hasOwnProperty(dependency)) {
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent(dependency, topEventMapping[dependency], mountAt);
}
isListening[dependency] = true;
}
}
}n/a
setEnabled = function (enabled) {
if (ReactBrowserEventEmitter.ReactEventListener) {
ReactBrowserEventEmitter.ReactEventListener.setEnabled(enabled);
}
}...
/**
* Sets whether or not any created callbacks should be enabled.
*
* @param {boolean} enabled True if callbacks should be enabled.
*/
setEnabled: function (enabled) {
if (ReactBrowserEventEmitter.ReactEventListener) {
ReactBrowserEventEmitter.ReactEventListener.setEnabled(enabled);
}
},
/**
* @return {boolean} True if callbacks are enabled.
*/
isEnabled: function () {
...supportsEventPageXY = function () {
if (!document.createEvent) {
return false;
}
var ev = document.createEvent('MouseEvent');
return ev != null && 'pageX' in ev;
}...
*
* NOTE: Scroll events do not bubble.
*
* @see http://www.quirksmode.org/dom/events/scroll.html
*/
ensureScrollValueMonitoring: function () {
if (hasEventPageXY === undefined) {
hasEventPageXY = ReactBrowserEventEmitter.supportsEventPageXY();
}
if (!hasEventPageXY && !isMonitoringScrollValue) {
var refresh = ViewportMetrics.refreshScrollValues;
ReactBrowserEventEmitter.ReactEventListener.monitorScrollValue(refresh);
isMonitoringScrollValue = true;
}
}
...trapBubbledEvent = function (topLevelType, handlerBaseName, handle) {
return ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent(topLevelType, handlerBaseName, handle);
}...
var dependencies = EventPluginRegistry.registrationNameDependencies[registrationName];
for (var i = 0; i < dependencies.length; i++) {
var dependency = dependencies[i];
if (!(isListening.hasOwnProperty(dependency) && isListening[dependency])) {
if (dependency === 'topWheel') {
if (isEventSupported('wheel')) {
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent('topWheel&#
x27;, 'wheel', mountAt);
} else if (isEventSupported('mousewheel')) {
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent('topWheel', 'mousewheel', mountAt);
} else {
// Firefox needs to capture a different mouse scroll event.
// @see http://www.quirksmode.org/dom/events/tests/scroll.html
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent('topWheel', 'DOMMouseScroll', mountAt);
}
...trapCapturedEvent = function (topLevelType, handlerBaseName, handle) {
return ReactBrowserEventEmitter.ReactEventListener.trapCapturedEvent(topLevelType, handlerBaseName, handle);
}...
// Firefox needs to capture a different mouse scroll event.
// @see http://www.quirksmode.org/dom/events/tests/scroll.html
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent('topWheel', 'DOMMouseScroll', mountAt);
}
} else if (dependency === 'topScroll') {
if (isEventSupported('scroll', true)) {
ReactBrowserEventEmitter.ReactEventListener.trapCapturedEvent('topScroll', &#
x27;scroll', mountAt);
} else {
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent('topScroll', 'scroll', ReactBrowserEventEmitter
.ReactEventListener.WINDOW_HANDLE);
}
} else if (dependency === 'topFocus' || dependency === 'topBlur') {
if (isEventSupported('focus', true)) {
ReactBrowserEventEmitter.ReactEventListener.trapCapturedEvent('topFocus', 'focus', mountAt);
...cloneChildFibers = function (current, workInProgress) {
if (!workInProgress.child) {
return;
}
if (current && workInProgress.child === current.child) {
// We use workInProgress.child since that lets Flow know that it can't be
// null since we validated that already. However, as the line above suggests
// they're actually the same thing.
var currentChild = workInProgress.child;
// TODO: This used to reset the pending priority. Not sure if that is needed.
// workInProgress.pendingWorkPriority = current.pendingWorkPriority;
// TODO: The below priority used to be set to NoWork which would've
// dropped work. This is currently unobservable but will become
// observable when the first sibling has lower priority work remaining
// than the next sibling. At that point we should add tests that catches
// this.
var newChild = cloneFiber(currentChild, currentChild.pendingWorkPriority);
workInProgress.child = newChild;
cloneSiblings(currentChild, newChild, workInProgress);
}
// If there is no alternate, then we don't need to clone the children.
// If the children of the alternate fiber is a different set, then we don't
// need to clone. We need to reset the return fiber though since we'll
// traverse down into them.
var child = workInProgress.child;
while (child) {
child['return'] = workInProgress;
child = child.sibling;
}
}n/a
function reconcileChildFibers(returnFiber, currentFirstChild, newChildren, priority) {
return createFirstChild(returnFiber, currentFirstChild, newChildren, priority);
}n/a
function reconcileChildFibers(returnFiber, currentFirstChild, newChildren, priority) {
return createFirstChild(returnFiber, currentFirstChild, newChildren, priority);
}n/a
instantiateChildren = function (nestedChildNodes, transaction, context, selfDebugID // 0 in production and for roots ) {
if (nestedChildNodes == null) {
return null;
}
var childInstances = {};
if (process.env.NODE_ENV !== 'production') {
traverseAllChildren(nestedChildNodes, function (childInsts, child, name) {
return instantiateChild(childInsts, child, name, selfDebugID);
}, childInstances);
} else {
traverseAllChildren(nestedChildNodes, instantiateChild, childInstances);
}
return childInstances;
}...
_reconcilerInstantiateChildren: function (nestedChildren, transaction, context) {
if (process.env.NODE_ENV !== 'production') {
var selfDebugID = getDebugID(this);
if (this._currentElement) {
try {
ReactCurrentOwner.current = this._currentElement._owner;
return ReactChildReconciler.instantiateChildren(nestedChildren, transaction,
context, selfDebugID);
} finally {
ReactCurrentOwner.current = null;
}
}
}
return ReactChildReconciler.instantiateChildren(nestedChildren, transaction, context);
},
...unmountChildren = function (renderedChildren, safely) {
for (var name in renderedChildren) {
if (renderedChildren.hasOwnProperty(name)) {
var renderedChild = renderedChildren[name];
ReactReconciler.unmountComponent(renderedChild, safely);
}
}
}...
* take advantage of React's reconciliation for styling and <title>
* management. So we just document it and throw in dangerous cases.
*/
!false ? process.env.NODE_ENV !== 'production' ? invariant(false, '<%s> tried to unmount. Because of
cross-browser quirks it is impossible to unmount some top-level components (eg <html>, <head>, and <body
>) reliably and efficiently. To fix this, have a single top-level component that never unmounts render these elements.'
;, this._tag) : _prodInvariant('66', this._tag) : void 0;
break;
}
this.unmountChildren(safely);
ReactDOMComponentTree.uncacheNode(this);
EventPluginHub.deleteAllListeners(this);
this._rootNodeID = 0;
this._domID = 0;
this._wrapperState = null;
if (process.env.NODE_ENV !== 'production') {
...updateChildren = function (prevChildren, nextChildren, mountImages, removedNodes, transaction, hostParent, hostContainerInfo, context, selfDebugID // 0 in production and for roots ) {
// We currently don't have a way to track moves here but if we use iterators
// instead of for..in we can zip the iterators and check if an item has
// moved.
// TODO: If nothing has changed, return the prevChildren object so that we
// can quickly bailout if nothing has changed.
if (!nextChildren && !prevChildren) {
return;
}
var name;
var prevChild;
for (name in nextChildren) {
if (!nextChildren.hasOwnProperty(name)) {
continue;
}
prevChild = prevChildren && prevChildren[name];
var prevElement = prevChild && prevChild._currentElement;
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
var nextChildMountImage = ReactReconciler.mountComponent(nextChildInstance, transaction, hostParent, hostContainerInfo, context
, selfDebugID);
mountImages.push(nextChildMountImage);
}
}
// Unmount children that are no longer present.
for (name in prevChildren) {
if (prevChildren.hasOwnProperty(name) && !(nextChildren && nextChildren.hasOwnProperty(name))) {
prevChild = prevChildren[name];
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
}
}...
var nextChildren = nextContent != null ? null : nextProps.children;
// If we're switching from children to content/html or vice versa, remove
// the old content
var lastHasContentOrHtml = lastContent != null || lastHtml != null;
var nextHasContentOrHtml = nextContent != null || nextHtml != null;
if (lastChildren != null && nextChildren == null) {
this.updateChildren(null, transaction, context);
} else if (lastHasContentOrHtml && !nextHasContentOrHtml) {
this.updateTextContent('');
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onSetChildren(this._debugID, []);
}
}
...processChildrenUpdates = function (parentInst, updates) {
var node = ReactDOMComponentTree.getNodeFromInstance(parentInst);
DOMChildrenOperations.processUpdates(node, updates);
}...
/**
* Processes any enqueued updates.
*
* @private
*/
function processQueue(inst, updateQueue) {
ReactComponentEnvironment.processChildrenUpdates(inst, updateQueue);
}
var setChildrenForInstrumentation = emptyFunction;
if (process.env.NODE_ENV !== 'production') {
var getDebugID = function (inst) {
if (!inst._debugID) {
// Check for ART-like instances. TODO: This is silly/gross.
...replaceNodeWithMarkup = function (oldChild, markup, prevInstance) {
Danger.dangerouslyReplaceNodeWithMarkup(oldChild, markup);
if (prevInstance._debugID !== 0) {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: prevInstance._debugID,
type: 'replace with',
payload: markup.toString()
});
} else {
var nextInstance = ReactDOMComponentTree.getInstanceFromNode(markup.node);
if (nextInstance._debugID !== 0) {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: nextInstance._debugID,
type: 'mount',
payload: markup.toString()
});
}
}
}...
/**
* Overridden in shallow rendering.
*
* @protected
*/
_replaceNodeWithMarkup: function (oldHostNode, nextMarkup, prevInstance) {
ReactComponentEnvironment.replaceNodeWithMarkup(oldHostNode, nextMarkup, prevInstance
);
},
/**
* @protected
*/
_renderValidatedComponentWithoutOwnerOrContext: function () {
var inst = this._instance;
...processChildrenUpdates = function (parentInst, updates) {
var node = ReactDOMComponentTree.getNodeFromInstance(parentInst);
DOMChildrenOperations.processUpdates(node, updates);
}...
/**
* Processes any enqueued updates.
*
* @private
*/
function processQueue(inst, updateQueue) {
ReactComponentEnvironment.processChildrenUpdates(inst, updateQueue);
}
var setChildrenForInstrumentation = emptyFunction;
if (process.env.NODE_ENV !== 'production') {
var getDebugID = function (inst) {
if (!inst._debugID) {
// Check for ART-like instances. TODO: This is silly/gross.
...replaceNodeWithMarkup = function (oldChild, markup, prevInstance) {
Danger.dangerouslyReplaceNodeWithMarkup(oldChild, markup);
if (prevInstance._debugID !== 0) {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: prevInstance._debugID,
type: 'replace with',
payload: markup.toString()
});
} else {
var nextInstance = ReactDOMComponentTree.getInstanceFromNode(markup.node);
if (nextInstance._debugID !== 0) {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: nextInstance._debugID,
type: 'mount',
payload: markup.toString()
});
}
}
}...
/**
* Overridden in shallow rendering.
*
* @protected
*/
_replaceNodeWithMarkup: function (oldHostNode, nextMarkup, prevInstance) {
ReactComponentEnvironment.replaceNodeWithMarkup(oldHostNode, nextMarkup, prevInstance
);
},
/**
* @protected
*/
_renderValidatedComponentWithoutOwnerOrContext: function () {
var inst = this._instance;
...function expectTree(rootID, expectedTree, parentPath) {
var displayName = ReactComponentTreeHook.getDisplayName(rootID);
var ownerID = ReactComponentTreeHook.getOwnerID(rootID);
var parentID = ReactComponentTreeHook.getParentID(rootID);
var childIDs = ReactComponentTreeHook.getChildIDs(rootID);
var text = ReactComponentTreeHook.getText(rootID);
var element = ReactComponentTreeHook.getElement(rootID);
var path = parentPath ? parentPath + ' > ' + displayName : displayName;
function expectEqual(actual, expected, name) {
// Get Jasmine to print descriptive error messages.
// We pass path so that we know where the mismatch occurred.
expect(_defineProperty({
path: path
}, name, actual)).toEqual(_defineProperty({
path: path
}, name, expected));
}
if (expectedTree.parentDisplayName !== undefined) {
expectEqual(ReactComponentTreeHook.getDisplayName(parentID), expectedTree.parentDisplayName, 'parentDisplayName');
}
if (expectedTree.ownerDisplayName !== undefined) {
expectEqual(ReactComponentTreeHook.getDisplayName(ownerID), expectedTree.ownerDisplayName, 'ownerDisplayName');
}
if (expectedTree.parentID !== undefined) {
expectEqual(parentID, expectedTree.parentID, 'parentID');
}
if (expectedTree.text !== undefined) {
expectEqual(text, expectedTree.text, 'text');
expectEqual('' + element, expectedTree.text, 'element.toString()');
} else {
expectEqual(text, null, 'text');
}
if (expectedTree.element !== undefined) {
// TODO: Comparing elements makes tests run out of memory on errors.
// For now, compare just types.
expectEqual(element && element.type, expectedTree.element && expectedTree.element.type, 'element.type');
} else if (text == null) {
expectEqual(typeof element, 'object', 'typeof element');
}
if (expectedTree.children !== undefined) {
expectEqual(childIDs.length, expectedTree.children.length, 'children.length');
for (var i = 0; i < childIDs.length; i++) {
expectTree(childIDs[i], _extends({ parentID: rootID }, expectedTree.children[i]), path);
}
} else {
expectEqual(childIDs, [], 'childIDs');
}
}n/a
function getRegisteredDisplayNames() {
return ReactComponentTreeHook.getRegisteredIDs().map(ReactComponentTreeHook.getDisplayName);
}n/a
function getRootDisplayNames() {
return ReactComponentTreeHook.getRootIDs().map(ReactComponentTreeHook.getDisplayName);
}n/a
_checkContextTypes = function (typeSpecs, values, location) {
if (process.env.NODE_ENV !== 'production') {
checkReactTypeSpec(typeSpecs, values, location, this.getName(), null, this._debugID);
}
}...
* @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
..._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);
}
}...
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;
..._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);
}
}...
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);
}
},
..._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;
}...
* `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;
..._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);
}
}
}...
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;
..._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, 'childContext');
}
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;
}...
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);
}
}
..._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;
}...
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);
..._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;
}...
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.
..._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;
}...
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;
..._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();
}
!(
..._replaceNodeWithMarkup = function (oldHostNode, nextMarkup, prevInstance) {
ReactComponentEnvironment.replaceNodeWithMarkup(oldHostNode, nextMarkup, prevInstance);
}...
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
..._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);
}
}...
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 {
...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;
}...
* @param {string} ref Name by which to refer to the component.
* @param {ReactOwner} owner Component on which to record the ref.
* @final
* @internal
*/
addComponentAsRefTo: function (component, ref, owner) {
!isValidOwner(owner) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'addComponentAsRefTo(...): Only
a ReactOwner can have refs. You might be adding a ref to a component that was not created inside a component\'s `render` method, or you have multiple copies of React loaded (details: https://fb.me/react-refs-must-have-owner).') : _prodInvariant('119') : void 0;
owner.attachRef(ref, component);
},
/**
* Removes a component by ref from an owner component.
*
* @param {ReactComponent} component Component to dereference.
* @param {string} ref Name of the ref to remove.
...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;
}
}...
var ShallowComponentWrapper = function (element) {
// TODO: Consolidate with instantiateReactComponent
if (process.env.NODE_ENV !== 'production') {
this._debugID = getNextDebugID();
}
this.construct(element);
};
_assign(ShallowComponentWrapper.prototype, ReactCompositeComponent, {
_constructComponent: ReactCompositeComponent._constructComponentWithoutOwner,
_instantiateReactComponent: function (element) {
return new NoopInternalComponent(element);
},
_replaceNodeWithMarkup: function () {},
...detachRef = function (ref) {
var refs = this.getPublicInstance().refs;
delete refs[ref];
}...
*/
removeComponentAsRefFrom: function (component, ref, owner) {
!isValidOwner(owner) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'removeComponentAsRefFrom(...):
Only a ReactOwner can have refs. You might be removing a ref to a component that was not created inside a component\'s `render` method, or you have multiple copies of React loaded (details: https://fb.me/react-refs-must-have-owner).') : _prodInvariant('120') : void 0;
var ownerPublicInstance = owner.getPublicInstance();
// Check that `component`'s owner is still alive and that `component` is still the current ref
// because we do not want to detach the ref if another component stole it.
if (ownerPublicInstance && ownerPublicInstance.refs[ref] === component.getPublicInstance()) {
owner.detachRef(ref);
}
}
};
module.exports = ReactOwner;
...getHostNode = function () {
return ReactReconciler.getHostNode(this._renderedComponent);
}...
var prevElement = prevChild && prevChild._currentElement;
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
...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;
}...
warnedForNaNValue = true;
process.env.NODE_ENV !== 'production' ? warning(false, '`NaN` is an invalid value for the `%s` css style property
.%s', name, checkRenderMessage(owner)) : void 0;
};
var checkRenderMessage = function (owner) {
if (owner) {
var name = owner.getName();
if (name) {
return ' Check the render method of `' + name + '`.';
}
}
return '';
};
...getPublicInstance = function () {
var inst = this._instance;
if (this._compositeType === CompositeTypes.StatelessFunctional) {
return null;
}
return inst;
}...
*
* @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;
...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.
U ......
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
var nextChildMountImage = ReactReconciler.mountComponent(nextChildInstance, transaction
, hostParent, hostContainerInfo, context, selfDebugID);
mountImages.push(nextChildMountImage);
}
}
// Unmount children that are no longer present.
for (name in prevChildren) {
if (prevChildren.hasOwnProperty(name) && !(nextChildren && nextChildren.hasOwnProperty(name))) {
prevChild = prevChildren[name];
...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;
}...
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();
...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;
}...
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 () {
...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;
}
}...
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);
}
}
}
...receiveComponent = function (nextElement, transaction, nextContext) {
var prevElement = this._currentElement;
var prevContext = this._context;
this._pendingElement = null;
this.updateComponent(transaction, prevElement, nextElement, prevContext, nextContext);
}...
if (!nextChildren.hasOwnProperty(name)) {
continue;
}
prevChild = prevChildren && prevChildren[name];
var prevElement = prevChild && prevChild._currentElement;
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
...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;
}...
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
var nextChildMountImage = ReactReconciler.mountComponent(nextChildInstance, transaction, hostParent, hostContainerInfo, context
, selfDebugID);
...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;
}
}...
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
...createCoroutine = function (children, handler, props) {
var key = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
var coroutine = {
// This tag allow us to uniquely identify this as a React Coroutine
$$typeof: REACT_COROUTINE_TYPE,
key: key == null ? null : '' + key,
children: children,
handler: handler,
props: props
};
if (process.env.NODE_ENV !== 'production') {
// TODO: Add _store property for marking this as validated.
if (Object.freeze) {
Object.freeze(coroutine.props);
Object.freeze(coroutine);
}
}
return coroutine;
}n/a
createYield = function (props, continuation) {
var key = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
var yieldNode = {
// This tag allow us to uniquely identify this as a React Yield
$$typeof: REACT_YIELD_TYPE,
key: key == null ? null : '' + key,
props: props,
continuation: continuation
};
if (process.env.NODE_ENV !== 'production') {
// TODO: Add _store property for marking this as validated.
if (Object.freeze) {
Object.freeze(yieldNode.props);
Object.freeze(yieldNode);
}
}
return yieldNode;
}n/a
isCoroutine = function (object) {
return typeof object === 'object' && object !== null && object.$$typeof === REACT_COROUTINE_TYPE;
}n/a
isYield = function (object) {
return typeof object === 'object' && object !== null && object.$$typeof === REACT_YIELD_TYPE;
}n/a
function ReactDOMComponent(element) {
var tag = element.type;
validateDangerousTag(tag);
this._currentElement = element;
this._tag = tag.toLowerCase();
this._namespaceURI = null;
this._renderedChildren = null;
this._previousStyle = null;
this._previousStyleCopy = null;
this._hostNode = null;
this._hostParent = null;
this._rootNodeID = 0;
this._domID = 0;
this._hostContainerInfo = null;
this._wrapperState = null;
this._topLevelWrapper = null;
this._flags = 0;
if (process.env.NODE_ENV !== 'production') {
this._ancestorInfo = null;
setAndValidateContentChildDev.call(this, null);
}
}n/a
_createContentMarkup = function (transaction, props, context) {
var ret = '';
// Intentional use of != to avoid catching zero/false.
var innerHTML = props.dangerouslySetInnerHTML;
if (innerHTML != null) {
if (innerHTML.__html != null) {
ret = innerHTML.__html;
}
} else {
var contentToUse = CONTENT_TYPES[typeof props.children] ? props.children : null;
var childrenToUse = contentToUse != null ? null : props.children;
if (contentToUse != null) {
// TODO: Validate that text is allowed as a child of this node
ret = escapeTextContentForBrowser(contentToUse);
if (process.env.NODE_ENV !== 'production') {
setAndValidateContentChildDev.call(this, contentToUse);
}
} else if (childrenToUse != null) {
var mountImages = this.mountChildren(childrenToUse, transaction, context);
ret = mountImages.join('');
}
}
if (newlineEatingTags[this._tag] && ret.charAt(0) === '\n') {
// text/html ignores the first character in these tags if it's a newline
// Prefer to break application/xml over text/html (for now) by adding
// a newline specifically to get eaten by the parser. (Alternately for
// textareas, replacing "^\n" with "\r\n" doesn't get eaten, and the first
// \r is normalized out by HTMLTextAreaElement#value.)
// See: <http://www.w3.org/TR/html-polyglot/#newlines-in-textarea-and-pre>
// See: <http://www.w3.org/TR/html5/syntax.html#element-restrictions>
// See: <http://www.w3.org/TR/html5/syntax.html#newlines>
// See: Parsing of "textarea" "listing" and "pre" elements
// from <http://www.w3.org/TR/html5/syntax.html#parsing-main-inbody>
return '\n' + ret;
} else {
return ret;
}
}...
}
this._updateDOMProperties(null, props, transaction);
var lazyTree = DOMLazyTree(el);
this._createInitialChildren(transaction, props, context, lazyTree);
mountImage = lazyTree;
} else {
var tagOpen = this._createOpenTagMarkupAndPutListeners(transaction, props);
var tagContent = this._createContentMarkup(transaction, props, context);
if (!tagContent && omittedCloseTags[this._tag]) {
mountImage = tagOpen + '/>';
} else {
mountImage = tagOpen + '>' + tagContent + '</' + this._currentElement.type + '>'
;;
}
}
..._createInitialChildren = function (transaction, props, context, lazyTree) {
// Intentional use of != to avoid catching zero/false.
var innerHTML = props.dangerouslySetInnerHTML;
if (innerHTML != null) {
if (innerHTML.__html != null) {
DOMLazyTree.queueHTML(lazyTree, innerHTML.__html);
}
} else {
var contentToUse = CONTENT_TYPES[typeof props.children] ? props.children : null;
var childrenToUse = contentToUse != null ? null : props.children;
// TODO: Validate that text is allowed as a child of this node
if (contentToUse != null) {
// Avoid setting textContent when the text is empty. In IE11 setting
// textContent on a text area 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
if (contentToUse !== '') {
if (process.env.NODE_ENV !== 'production') {
setAndValidateContentChildDev.call(this, contentToUse);
}
DOMLazyTree.queueText(lazyTree, contentToUse);
}
} else if (childrenToUse != null) {
var mountImages = this.mountChildren(childrenToUse, transaction, context);
for (var i = 0; i < mountImages.length; i++) {
DOMLazyTree.queueChild(lazyTree, mountImages[i]);
}
}
}
}...
ReactDOMComponentTree.precacheNode(this, el);
this._flags |= Flags.hasCachedChildNodes;
if (!this._hostParent) {
DOMPropertyOperations.setAttributeForRoot(el);
}
this._updateDOMProperties(null, props, transaction);
var lazyTree = DOMLazyTree(el);
this._createInitialChildren(transaction, props, context, lazyTree);
mountImage = lazyTree;
} else {
var tagOpen = this._createOpenTagMarkupAndPutListeners(transaction, props);
var tagContent = this._createContentMarkup(transaction, props, context);
if (!tagContent && omittedCloseTags[this._tag]) {
mountImage = tagOpen + '/>';
} else {
..._createOpenTagMarkupAndPutListeners = function (transaction, props) {
var ret = '<' + this._currentElement.type;
for (var propKey in props) {
if (!props.hasOwnProperty(propKey)) {
continue;
}
var propValue = props[propKey];
if (propValue == null) {
continue;
}
if (registrationNameModules.hasOwnProperty(propKey)) {
if (propValue) {
enqueuePutListener(this, propKey, propValue, transaction);
}
} else {
if (propKey === STYLE) {
if (propValue) {
if (process.env.NODE_ENV !== 'production') {
// See `_updateDOMProperties`. style block
this._previousStyle = propValue;
}
propValue = this._previousStyleCopy = _assign({}, props.style);
}
propValue = CSSPropertyOperations.createMarkupForStyles(propValue, this);
}
var markup = null;
if (this._tag != null && isCustomComponent(this._tag, props)) {
if (!RESERVED_PROPS.hasOwnProperty(propKey)) {
markup = DOMPropertyOperations.createMarkupForCustomAttribute(propKey, propValue);
}
} else {
markup = DOMPropertyOperations.createMarkupForProperty(propKey, propValue);
}
if (markup) {
ret += ' ' + markup;
}
}
}
// For static pages, no need to put React ID and checksum. Saves lots of
// bytes.
if (transaction.renderToStaticMarkup) {
return ret;
}
if (!this._hostParent) {
ret += ' ' + DOMPropertyOperations.createMarkupForRoot();
}
ret += ' ' + DOMPropertyOperations.createMarkupForID(this._domID);
return ret;
}...
DOMPropertyOperations.setAttributeForRoot(el);
}
this._updateDOMProperties(null, props, transaction);
var lazyTree = DOMLazyTree(el);
this._createInitialChildren(transaction, props, context, lazyTree);
mountImage = lazyTree;
} else {
var tagOpen = this._createOpenTagMarkupAndPutListeners(transaction, props);
var tagContent = this._createContentMarkup(transaction, props, context);
if (!tagContent && omittedCloseTags[this._tag]) {
mountImage = tagOpen + '/>';
} else {
mountImage = tagOpen + '>' + tagContent + '</' + this._currentElement.type + '>'
;;
}
}
..._mountChildAtIndex = function (child, mountImage, afterNode, index, transaction, context) {
child._mountIndex = index;
return this.createChild(child, afterNode, mountImage);
}...
} else {
if (prevChild) {
// Update `lastIndex` before `_mountIndex` gets unset by unmounting.
lastIndex = Math.max(prevChild._mountIndex, lastIndex);
// The `removedNodes` loop below will actually remove the child.
}
// The child must be instantiated before it's mounted.
updates = enqueue(updates, this._mountChildAtIndex(nextChild, mountImages[nextMountIndex
], lastPlacedNode, nextIndex, transaction, context));
nextMountIndex++;
}
nextIndex++;
lastPlacedNode = ReactReconciler.getHostNode(nextChild);
}
// Remove children that are no longer present.
for (name in removedNodes) {
..._reconcilerInstantiateChildren = function (nestedChildren, transaction, context) {
if (process.env.NODE_ENV !== 'production') {
var selfDebugID = getDebugID(this);
if (this._currentElement) {
try {
ReactCurrentOwner.current = this._currentElement._owner;
return ReactChildReconciler.instantiateChildren(nestedChildren, transaction, context, selfDebugID);
} finally {
ReactCurrentOwner.current = null;
}
}
}
return ReactChildReconciler.instantiateChildren(nestedChildren, transaction, context);
}...
* of `ReactDOMComponent`, a mount image is a string of markup.
*
* @param {?object} nestedChildren Nested child maps.
* @return {array} An array of mounted representations.
* @internal
*/
mountChildren: function (nestedChildren, transaction, context) {
var children = this._reconcilerInstantiateChildren(nestedChildren, transaction, context
);
this._renderedChildren = children;
var mountImages = [];
var index = 0;
for (var name in children) {
if (children.hasOwnProperty(name)) {
var child = children[name];
..._reconcilerUpdateChildren = function (prevChildren, nextNestedChildrenElements, mountImages, removedNodes, transaction, context) {
var nextChildren;
var selfDebugID = 0;
if (process.env.NODE_ENV !== 'production') {
selfDebugID = getDebugID(this);
if (this._currentElement) {
try {
ReactCurrentOwner.current = this._currentElement._owner;
nextChildren = flattenChildren(nextNestedChildrenElements, selfDebugID);
} finally {
ReactCurrentOwner.current = null;
}
ReactChildReconciler.updateChildren(prevChildren, nextChildren, mountImages, removedNodes, transaction, this, this._hostContainerInfo
, context, selfDebugID);
return nextChildren;
}
}
nextChildren = flattenChildren(nextNestedChildrenElements, selfDebugID);
ReactChildReconciler.updateChildren(prevChildren, nextChildren, mountImages, removedNodes, transaction, this, this._hostContainerInfo
, context, selfDebugID);
return nextChildren;
}...
* @final
* @protected
*/
_updateChildren: function (nextNestedChildrenElements, transaction, context) {
var prevChildren = this._renderedChildren;
var removedNodes = {};
var mountImages = [];
var nextChildren = this._reconcilerUpdateChildren(prevChildren, nextNestedChildrenElements
, mountImages, removedNodes, transaction, context);
if (!nextChildren && !prevChildren) {
return;
}
var updates = null;
var name;
// `nextIndex` will increment for each child in `nextChildren`, but
// `lastIndex` will be the last index visited in `prevChildren`.
..._unmountChild = function (child, node) {
var update = this.removeChild(child, node);
child._mountIndex = null;
return update;
}...
}
nextIndex++;
lastPlacedNode = ReactReconciler.getHostNode(nextChild);
}
// Remove children that are no longer present.
for (name in removedNodes) {
if (removedNodes.hasOwnProperty(name)) {
updates = enqueue(updates, this._unmountChild(prevChildren[name], removedNodes[name
]));
}
}
if (updates) {
processQueue(this, updates);
}
this._renderedChildren = nextChildren;
..._updateChildren = function (nextNestedChildrenElements, transaction, context) {
var prevChildren = this._renderedChildren;
var removedNodes = {};
var mountImages = [];
var nextChildren = this._reconcilerUpdateChildren(prevChildren, nextNestedChildrenElements, mountImages, removedNodes, transaction
, context);
if (!nextChildren && !prevChildren) {
return;
}
var updates = null;
var name;
// `nextIndex` will increment for each child in `nextChildren`, but
// `lastIndex` will be the last index visited in `prevChildren`.
var nextIndex = 0;
var lastIndex = 0;
// `nextMountIndex` will increment for each newly mounted child.
var nextMountIndex = 0;
var lastPlacedNode = null;
for (name in nextChildren) {
if (!nextChildren.hasOwnProperty(name)) {
continue;
}
var prevChild = prevChildren && prevChildren[name];
var nextChild = nextChildren[name];
if (prevChild === nextChild) {
updates = enqueue(updates, this.moveChild(prevChild, lastPlacedNode, nextIndex, lastIndex));
lastIndex = Math.max(prevChild._mountIndex, lastIndex);
prevChild._mountIndex = nextIndex;
} else {
if (prevChild) {
// Update `lastIndex` before `_mountIndex` gets unset by unmounting.
lastIndex = Math.max(prevChild._mountIndex, lastIndex);
// The `removedNodes` loop below will actually remove the child.
}
// The child must be instantiated before it's mounted.
updates = enqueue(updates, this._mountChildAtIndex(nextChild, mountImages[nextMountIndex], lastPlacedNode, nextIndex, transaction
, context));
nextMountIndex++;
}
nextIndex++;
lastPlacedNode = ReactReconciler.getHostNode(nextChild);
}
// Remove children that are no longer present.
for (name in removedNodes) {
if (removedNodes.hasOwnProperty(name)) {
updates = enqueue(updates, this._unmountChild(prevChildren[name], removedNodes[name]));
}
}
if (updates) {
processQueue(this, updates);
}
this._renderedChildren = nextChildren;
if (process.env.NODE_ENV !== 'production') {
setChildrenForInstrumentation.call(this, nextChildren);
}
}...
*
* @param {?object} nextNestedChildrenElements Nested child element maps.
* @param {ReactReconcileTransaction} transaction
* @internal
*/
updateChildren: function (nextNestedChildrenElements, transaction, context) {
// Hook used by React ART
this._updateChildren(nextNestedChildrenElements, transaction, context);
},
/**
* @param {?object} nextNestedChildrenElements Nested child element maps.
* @param {ReactReconcileTransaction} transaction
* @final
* @protected
..._updateDOMChildren = function (lastProps, nextProps, transaction, context) {
var lastContent = CONTENT_TYPES[typeof lastProps.children] ? lastProps.children : null;
var nextContent = CONTENT_TYPES[typeof nextProps.children] ? nextProps.children : null;
var lastHtml = lastProps.dangerouslySetInnerHTML && lastProps.dangerouslySetInnerHTML.__html;
var nextHtml = nextProps.dangerouslySetInnerHTML && nextProps.dangerouslySetInnerHTML.__html;
// Note the use of `!=` which checks for null or undefined.
var lastChildren = lastContent != null ? null : lastProps.children;
var nextChildren = nextContent != null ? null : nextProps.children;
// If we're switching from children to content/html or vice versa, remove
// the old content
var lastHasContentOrHtml = lastContent != null || lastHtml != null;
var nextHasContentOrHtml = nextContent != null || nextHtml != null;
if (lastChildren != null && nextChildren == null) {
this.updateChildren(null, transaction, context);
} else if (lastHasContentOrHtml && !nextHasContentOrHtml) {
this.updateTextContent('');
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onSetChildren(this._debugID, []);
}
}
if (nextContent != null) {
if (lastContent !== nextContent) {
this.updateTextContent('' + nextContent);
if (process.env.NODE_ENV !== 'production') {
setAndValidateContentChildDev.call(this, nextContent);
}
}
} else if (nextHtml != null) {
if (lastHtml !== nextHtml) {
this.updateMarkup('' + nextHtml);
}
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onSetChildren(this._debugID, []);
}
} else if (nextChildren != null) {
if (process.env.NODE_ENV !== 'production') {
setAndValidateContentChildDev.call(this, null);
}
this.updateChildren(nextChildren, transaction, context);
}
}...
lastProps = ReactDOMTextarea.getHostProps(this, lastProps);
nextProps = ReactDOMTextarea.getHostProps(this, nextProps);
break;
}
assertValidProps(this, nextProps);
this._updateDOMProperties(lastProps, nextProps, transaction);
this._updateDOMChildren(lastProps, nextProps, transaction, context);
switch (this._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.
ReactDOMInput.updateWrapper(this);
..._updateDOMProperties = function (lastProps, nextProps, transaction) {
var propKey;
var styleName;
var styleUpdates;
for (propKey in lastProps) {
if (nextProps.hasOwnProperty(propKey) || !lastProps.hasOwnProperty(propKey) || lastProps[propKey] == null) {
continue;
}
if (propKey === STYLE) {
var lastStyle = this._previousStyleCopy;
for (styleName in lastStyle) {
if (lastStyle.hasOwnProperty(styleName)) {
styleUpdates = styleUpdates || {};
styleUpdates[styleName] = '';
}
}
this._previousStyleCopy = null;
} else if (registrationNameModules.hasOwnProperty(propKey)) {
if (lastProps[propKey]) {
// Only call deleteListener if there was a listener previously or
// else willDeleteListener gets called when there wasn't actually a
// listener (e.g., onClick={null})
deleteListener(this, propKey);
}
} else if (isCustomComponent(this._tag, lastProps)) {
if (!RESERVED_PROPS.hasOwnProperty(propKey)) {
DOMPropertyOperations.deleteValueForAttribute(getNode(this), propKey);
}
} else if (DOMProperty.properties[propKey] || DOMProperty.isCustomAttribute(propKey)) {
DOMPropertyOperations.deleteValueForProperty(getNode(this), propKey);
}
}
for (propKey in nextProps) {
var nextProp = nextProps[propKey];
var lastProp = propKey === STYLE ? this._previousStyleCopy : lastProps != null ? lastProps[propKey] : undefined;
if (!nextProps.hasOwnProperty(propKey) || nextProp === lastProp || nextProp == null && lastProp == null) {
continue;
}
if (propKey === STYLE) {
if (nextProp) {
if (process.env.NODE_ENV !== 'production') {
checkAndWarnForMutatedStyle(this._previousStyleCopy, this._previousStyle, this);
this._previousStyle = nextProp;
}
nextProp = this._previousStyleCopy = _assign({}, nextProp);
} else {
this._previousStyleCopy = null;
}
if (lastProp) {
// Unset styles on `lastProp` but not on `nextProp`.
for (styleName in lastProp) {
if (lastProp.hasOwnProperty(styleName) && (!nextProp || !nextProp.hasOwnProperty(styleName))) {
styleUpdates = styleUpdates || {};
styleUpdates[styleName] = '';
}
}
// Update styles that changed since `lastProp`.
for (styleName in nextProp) {
if (nextProp.hasOwnProperty(styleName) && lastProp[styleName] !== nextProp[styleName]) {
styleUpdates = styleUpdates || {};
styleUpdates[styleName] = nextProp[styleName];
}
}
} else {
// Relies on `updateStylesByID` not mutating `styleUpdates`.
styleUpdates = nextProp;
}
} else if (registrationNameModules.hasOwnProperty(propKey)) {
if (nextProp) {
enqueuePutListener(this, propKey, nextProp, transaction);
} else if (lastProp) {
deleteListener(this, propKey);
}
} else if (isCustomComponent(this._tag, nextProps)) {
if (!RESERVED_PROPS.hasOwnProperty(propKey)) {
DOMPropertyOperations.setValueForAttribute(getNode(this), propKey, nextProp);
}
} else if (DOMProperty.properties[propKey] || DOMProperty.isCustomAttribute(propKey)) {
var node = getNode(this);
// If we're updating to null or undefined, we should remove the property
// from the DOM node instead of inadvertently setting to a string. This
// brings us in line with the same behavior we have on initial render.
if (nextProp != null) {
DOMPropertyOperations.setValueForProperty(node, propKey, nextProp);
} else {
DOMPropertyOperations.deleteValueForProperty(node, propKey);
}
}
}
if (styleUpdates) {
CSSPropertyOperations.setValueForStyles(getNode(this), styleUpdates, this);
}
}...
el = ownerDocument.createElementNS(namespaceURI, this._currentElement.type);
}
ReactDOMComponentTree.precacheNode(this, el);
this._flags |= Flags.hasCachedChildNodes;
if (!this._hostParent) {
DOMPropertyOperations.setAttributeForRoot(el);
}
this._updateDOMProperties(null, props, transaction);
var lazyTree = DOMLazyTree(el);
this._createInitialChildren(transaction, props, context, lazyTree);
mountImage = lazyTree;
} else {
var tagOpen = this._createOpenTagMarkupAndPutListeners(transaction, props);
var tagContent = this._createContentMarkup(transaction, props, context);
if (!tagContent && omittedCloseTags[this._tag]) {
...createChild = function (child, afterNode, mountImage) {
return makeInsertMarkup(mountImage, afterNode, child._mountIndex);
}...
* @param {string} name Name of the child.
* @param {number} index Index at which to insert the child.
* @param {ReactReconcileTransaction} transaction
* @private
*/
_mountChildAtIndex: function (child, mountImage, afterNode, index, transaction, context) {
child._mountIndex = index;
return this.createChild(child, afterNode, mountImage);
},
/**
* Unmounts a rendered child.
*
* NOTE: This is part of `updateChildren` and is here for readability.
*
...getHostNode = function () {
return getNode(this);
}...
var prevElement = prevChild && prevChild._currentElement;
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
...getPublicInstance = function () {
return getNode(this);
}...
*
* @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;
...mountChildren = function (nestedChildren, transaction, context) {
var children = this._reconcilerInstantiateChildren(nestedChildren, transaction, context);
this._renderedChildren = children;
var mountImages = [];
var index = 0;
for (var name in children) {
if (children.hasOwnProperty(name)) {
var child = children[name];
var selfDebugID = 0;
if (process.env.NODE_ENV !== 'production') {
selfDebugID = getDebugID(this);
}
var mountImage = ReactReconciler.mountComponent(child, transaction, this, this._hostContainerInfo, context, selfDebugID);
child._mountIndex = index++;
mountImages.push(mountImage);
}
}
if (process.env.NODE_ENV !== 'production') {
setChildrenForInstrumentation.call(this, children);
}
return mountImages;
}...
if (contentToUse != null) {
// TODO: Validate that text is allowed as a child of this node
ret = escapeTextContentForBrowser(contentToUse);
if (process.env.NODE_ENV !== 'production') {
setAndValidateContentChildDev.call(this, contentToUse);
}
} else if (childrenToUse != null) {
var mountImages = this.mountChildren(childrenToUse, transaction, context);
ret = mountImages.join('');
}
}
if (newlineEatingTags[this._tag] && ret.charAt(0) === '\n') {
// text/html ignores the first character in these tags if it's a newline
// Prefer to break application/xml over text/html (for now) by adding
// a newline specifically to get eaten by the parser. (Alternately for
...mountComponent = function (transaction, hostParent, hostContainerInfo, context) {
this._rootNodeID = globalIdCounter++;
this._domID = hostContainerInfo._idCounter++;
this._hostParent = hostParent;
this._hostContainerInfo = hostContainerInfo;
var props = this._currentElement.props;
switch (this._tag) {
case 'audio':
case 'form':
case 'iframe':
case 'img':
case 'link':
case 'object':
case 'source':
case 'video':
this._wrapperState = {
listeners: null
};
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'input':
ReactDOMInput.mountWrapper(this, props, hostParent);
props = ReactDOMInput.getHostProps(this, props);
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'option':
ReactDOMOption.mountWrapper(this, props, hostParent);
props = ReactDOMOption.getHostProps(this, props);
break;
case 'select':
ReactDOMSelect.mountWrapper(this, props, hostParent);
props = ReactDOMSelect.getHostProps(this, props);
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'textarea':
ReactDOMTextarea.mountWrapper(this, props, hostParent);
props = ReactDOMTextarea.getHostProps(this, props);
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
}
assertValidProps(this, props);
// We create tags in the namespace of their parent container, except HTML
// tags get no namespace.
var namespaceURI;
var parentTag;
if (hostParent != null) {
namespaceURI = hostParent._namespaceURI;
parentTag = hostParent._tag;
} else if (hostContainerInfo._tag) {
namespaceURI = hostContainerInfo._namespaceURI;
parentTag = hostContainerInfo._tag;
}
if (namespaceURI == null || namespaceURI === DOMNamespaces.svg && parentTag === 'foreignobject') {
namespaceURI = DOMNamespaces.html;
}
if (namespaceURI === DOMNamespaces.html) {
if (this._tag === 'svg') {
namespaceURI = DOMNamespaces.svg;
} else if (this._tag === 'math') {
namespaceURI = DOMNamespaces.mathml;
}
}
this._namespaceURI = namespaceURI;
if (process.env.NODE_ENV !== 'production') {
var parentInfo;
if (hostParent != null) {
parentInfo = hostParent._ancestorInfo;
} else if (hostContainerInfo._tag) {
parentInfo = hostContainerInfo._ancestorInfo;
}
if (parentInfo) {
// parentInfo should always be present except for the top-level
// component when server rendering
validateDOMNesting(this._tag, null, this, parentInfo);
}
this._ancestorInfo = validateDOMNesting.updatedAncestorInfo(parentInfo, this._tag, this);
}
var mountImage;
if (transaction.useCreateElement) {
var ownerDocument = hostContainerInfo._ownerDocument;
var el;
if (namespaceURI === DOMNamespaces.html) {
if (this._tag === 'script') {
// Create the script via .innerHTML so its "parser-inserted" flag is
// set to true and it does not execute
var div = ownerDocument.createElement('div');
var type = this._currentElement.type;
div.innerHTML = '<' + type + '></' + type + '>';
el = div.removeChild(div.firstChild);
} else if (props.is) {
el = ownerDocument.createElement(this._currentElement.type, props.is);
} else {
// Separate else branch instead of using `props.is || undefined` above becuase 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
el = ownerDocument.createElement(this._currentElement.type);
}
} else {
el = ownerDocument.createElementNS(namespaceURI, this._currentElement.type);
}
ReactDOMComponentTree.precacheNode(this, el);
this._flags |= Flags.hasCachedChildNodes;
if (!this._hostParent) {
DOMPropertyOperations.setAttributeForRoot(el);
}
this._updateDOMProperties(null, pr ......
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
var nextChildMountImage = ReactReconciler.mountComponent(nextChildInstance, transaction
, hostParent, hostContainerInfo, context, selfDebugID);
mountImages.push(nextChildMountImage);
}
}
// Unmount children that are no longer present.
for (name in prevChildren) {
if (prevChildren.hasOwnProperty(name) && !(nextChildren && nextChildren.hasOwnProperty(name))) {
prevChild = prevChildren[name];
...moveChild = function (child, afterNode, toIndex, lastIndex) {
// If the index of `child` is less than `lastIndex`, then it needs to
// be moved. Otherwise, we do not need to move it because a child will be
// inserted or moved before `child`.
if (child._mountIndex < lastIndex) {
return makeMove(child, afterNode, toIndex);
}
}...
for (name in nextChildren) {
if (!nextChildren.hasOwnProperty(name)) {
continue;
}
var prevChild = prevChildren && prevChildren[name];
var nextChild = nextChildren[name];
if (prevChild === nextChild) {
updates = enqueue(updates, this.moveChild(prevChild, lastPlacedNode, nextIndex, lastIndex
));
lastIndex = Math.max(prevChild._mountIndex, lastIndex);
prevChild._mountIndex = nextIndex;
} else {
if (prevChild) {
// Update `lastIndex` before `_mountIndex` gets unset by unmounting.
lastIndex = Math.max(prevChild._mountIndex, lastIndex);
// The `removedNodes` loop below will actually remove the child.
...receiveComponent = function (nextElement, transaction, context) {
var prevElement = this._currentElement;
this._currentElement = nextElement;
this.updateComponent(transaction, prevElement, nextElement, context);
}...
if (!nextChildren.hasOwnProperty(name)) {
continue;
}
prevChild = prevChildren && prevChildren[name];
var prevElement = prevChild && prevChild._currentElement;
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
...removeChild = function (child, node) {
return makeRemove(child, node);
}...
}
function removeChild(parentNode, childNode) {
if (Array.isArray(childNode)) {
var closingComment = childNode[1];
childNode = childNode[0];
removeDelimitedText(parentNode, childNode, closingComment);
parentNode.removeChild(closingComment);
}
parentNode.removeChild(childNode);
}
function moveDelimitedText(parentNode, openingComment, closingComment, referenceNode) {
var node = openingComment;
while (true) {
...unmountChildren = function (safely) {
var renderedChildren = this._renderedChildren;
ReactChildReconciler.unmountChildren(renderedChildren, safely);
this._renderedChildren = null;
}...
* take advantage of React's reconciliation for styling and <title>
* management. So we just document it and throw in dangerous cases.
*/
!false ? process.env.NODE_ENV !== 'production' ? invariant(false, '<%s> tried to unmount. Because of
cross-browser quirks it is impossible to unmount some top-level components (eg <html>, <head>, and <body
>) reliably and efficiently. To fix this, have a single top-level component that never unmounts render these elements.'
;, this._tag) : _prodInvariant('66', this._tag) : void 0;
break;
}
this.unmountChildren(safely);
ReactDOMComponentTree.uncacheNode(this);
EventPluginHub.deleteAllListeners(this);
this._rootNodeID = 0;
this._domID = 0;
this._wrapperState = null;
if (process.env.NODE_ENV !== 'production') {
...unmountComponent = function (safely) {
switch (this._tag) {
case 'audio':
case 'form':
case 'iframe':
case 'img':
case 'link':
case 'object':
case 'source':
case 'video':
var listeners = this._wrapperState.listeners;
if (listeners) {
for (var i = 0; i < listeners.length; i++) {
listeners[i].remove();
}
}
break;
case 'html':
case 'head':
case 'body':
/**
* Components like <html> <head> and <body> can't be removed or added
* easily in a cross-browser way, however it's valuable to be able to
* take advantage of React's reconciliation for styling and <title>
* management. So we just document it and throw in dangerous cases.
*/
!false ? process.env.NODE_ENV !== 'production' ? invariant(false, '<%s> tried to unmount. Because of cross-browser quirks
it is impossible to unmount some top-level components (eg <html>, <head>, and <body>) reliably and efficiently. To fix this, have
a single top-level component that never unmounts render these elements.', this._tag) : _prodInvariant('66', this._tag) : void 0
;
break;
}
this.unmountChildren(safely);
ReactDOMComponentTree.uncacheNode(this);
EventPluginHub.deleteAllListeners(this);
this._rootNodeID = 0;
this._domID = 0;
this._wrapperState = null;
if (process.env.NODE_ENV !== 'production') {
setAndValidateContentChildDev.call(this, null);
}
}...
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
var nextChildMountImage = ReactReconciler.mountComponent(nextChildInstance, transaction, hostParent, hostContainerInfo, context
, selfDebugID);
...updateChildren = function (nextNestedChildrenElements, transaction, context) {
// Hook used by React ART
this._updateChildren(nextNestedChildrenElements, transaction, context);
}...
var nextChildren = nextContent != null ? null : nextProps.children;
// If we're switching from children to content/html or vice versa, remove
// the old content
var lastHasContentOrHtml = lastContent != null || lastHtml != null;
var nextHasContentOrHtml = nextContent != null || nextHtml != null;
if (lastChildren != null && nextChildren == null) {
this.updateChildren(null, transaction, context);
} else if (lastHasContentOrHtml && !nextHasContentOrHtml) {
this.updateTextContent('');
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onSetChildren(this._debugID, []);
}
}
...updateComponent = function (transaction, prevElement, nextElement, context) {
var lastProps = prevElement.props;
var nextProps = this._currentElement.props;
switch (this._tag) {
case 'input':
lastProps = ReactDOMInput.getHostProps(this, lastProps);
nextProps = ReactDOMInput.getHostProps(this, nextProps);
break;
case 'option':
lastProps = ReactDOMOption.getHostProps(this, lastProps);
nextProps = ReactDOMOption.getHostProps(this, nextProps);
break;
case 'select':
lastProps = ReactDOMSelect.getHostProps(this, lastProps);
nextProps = ReactDOMSelect.getHostProps(this, nextProps);
break;
case 'textarea':
lastProps = ReactDOMTextarea.getHostProps(this, lastProps);
nextProps = ReactDOMTextarea.getHostProps(this, nextProps);
break;
}
assertValidProps(this, nextProps);
this._updateDOMProperties(lastProps, nextProps, transaction);
this._updateDOMChildren(lastProps, nextProps, transaction, context);
switch (this._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.
ReactDOMInput.updateWrapper(this);
break;
case 'textarea':
ReactDOMTextarea.updateWrapper(this);
break;
case 'select':
// <select> value update needs to occur after <option> children
// reconciliation
transaction.getReactMountReady().enqueue(postUpdateSelectWrapper, this);
break;
}
}...
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
...updateMarkup = function (nextMarkup) {
var prevChildren = this._renderedChildren;
// Remove any rendered children.
ReactChildReconciler.unmountChildren(prevChildren, false);
for (var name in prevChildren) {
if (prevChildren.hasOwnProperty(name)) {
!false ? process.env.NODE_ENV !== 'production' ? invariant(false, 'updateTextContent called on non-empty component.') : _prodInvariant
('118') : void 0;
}
}
var updates = [makeSetMarkup(nextMarkup)];
processQueue(this, updates);
}...
this.updateTextContent('' + nextContent);
if (process.env.NODE_ENV !== 'production') {
setAndValidateContentChildDev.call(this, nextContent);
}
}
} else if (nextHtml != null) {
if (lastHtml !== nextHtml) {
this.updateMarkup('' + nextHtml);
}
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onSetChildren(this._debugID, []);
}
} else if (nextChildren != null) {
if (process.env.NODE_ENV !== 'production') {
setAndValidateContentChildDev.call(this, null);
...updateTextContent = function (nextContent) {
var prevChildren = this._renderedChildren;
// Remove any rendered children.
ReactChildReconciler.unmountChildren(prevChildren, false);
for (var name in prevChildren) {
if (prevChildren.hasOwnProperty(name)) {
!false ? process.env.NODE_ENV !== 'production' ? invariant(false, 'updateTextContent called on non-empty component.') : _prodInvariant
('118') : void 0;
}
}
// Set new text content.
var updates = [makeTextContent(nextContent)];
processQueue(this, updates);
}...
// If we're switching from children to content/html or vice versa, remove
// the old content
var lastHasContentOrHtml = lastContent != null || lastHtml != null;
var nextHasContentOrHtml = nextContent != null || nextHtml != null;
if (lastChildren != null && nextChildren == null) {
this.updateChildren(null, transaction, context);
} else if (lastHasContentOrHtml && !nextHasContentOrHtml) {
this.updateTextContent('');
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onSetChildren(this._debugID, []);
}
}
if (nextContent != null) {
if (lastContent !== nextContent) {
...function getClosestInstanceFromNode(node) {
if (node[internalInstanceKey]) {
return node[internalInstanceKey];
}
// Walk up the tree until we find an ancestor whose instance we have cached.
var parents = [];
while (!node[internalInstanceKey]) {
parents.push(node);
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 closest;
var inst;
for (; node && (inst = node[internalInstanceKey]); node = parents.pop()) {
closest = inst;
if (parents.length) {
precacheChildNodes(inst, node);
}
}
return closest;
}...
}
var from;
var to;
if (topLevelType === 'topMouseOut') {
from = targetInst;
var related = nativeEvent.relatedTarget || nativeEvent.toElement;
to = related ? ReactDOMComponentTree.getClosestInstanceFromNode(related) : null;
} else {
// Moving to a node from outside the window.
from = null;
to = targetInst;
}
if (from === to) {
...function getInstanceFromNode(node) {
var inst = getClosestInstanceFromNode(node);
if (inst != null && inst._hostNode === node) {
return inst;
} else {
return null;
}
}...
} else {
removeDelimitedText(parentNode, openingComment, closingComment);
}
}
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: ReactDOMComponentTree.getInstanceFromNode(openingComment)._debugID,
type: 'replace text',
payload: stringText
});
}
}
var dangerouslyReplaceNodeWithMarkup = Danger.dangerouslyReplaceNodeWithMarkup;
...function getNodeFromInstance(inst) {
// Without this first invariant, passing a non-DOM-component triggers the next
// invariant for a missing parent, which is super confusing.
!(inst._hostNode !== undefined) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'getNodeFromInstance: Invalid argument
.') : _prodInvariant('33') : void 0;
if (inst._hostNode) {
return inst._hostNode;
}
// Walk up the tree until we find an ancestor whose DOM node we have cached.
var parents = [];
while (!inst._hostNode) {
parents.push(inst);
!inst._hostParent ? process.env.NODE_ENV !== 'production' ? invariant(false, 'React DOM tree root should always have a node
reference.') : _prodInvariant('34') : void 0;
inst = inst._hostParent;
}
// Now parents contains each ancestor that does *not* have a cached native
// node, and `inst` is the deepest ancestor that does.
for (; parents.length; inst = parents.pop()) {
precacheChildNodes(inst, inst._hostNode);
}
return inst._hostNode;
}...
var ReactDOMComponentTree = require('./ReactDOMComponentTree');
var focusNode = require('fbjs/lib/focusNode');
var AutoFocusUtils = {
focusDOMComponent: function () {
focusNode(ReactDOMComponentTree.getNodeFromInstance(this));
}
};
module.exports = AutoFocusUtils;
...function precacheChildNodes(inst, node) {
if (inst._flags & Flags.hasCachedChildNodes) {
return;
}
var children = inst._renderedChildren;
var childNode = node.firstChild;
outer: for (var name in children) {
if (!children.hasOwnProperty(name)) {
continue;
}
var childInst = children[name];
var childID = getRenderedHostOrTextFromComponent(childInst)._domID;
if (childID === 0) {
// We're currently unmounting this child in ReactMultiChild; skip it.
continue;
}
// We assume the child nodes are in the same order as the child instances.
for (; childNode !== null; childNode = childNode.nextSibling) {
if (shouldPrecacheNode(childNode, childID)) {
precacheNode(childInst, childNode);
continue outer;
}
}
// We reached the end of the DOM children without finding an ID match.
!false ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Unable to find element with ID %s.', childID) : _prodInvariant
('32', childID) : void 0;
}
inst._flags |= Flags.hasCachedChildNodes;
}n/a
function precacheNode(inst, node) {
var hostInst = getRenderedHostOrTextFromComponent(inst);
hostInst._hostNode = node;
node[internalInstanceKey] = hostInst;
}...
// See discussion in https://github.com/facebook/react/pull/6896
// and discussion in https://bugzilla.mozilla.org/show_bug.cgi?id=1276240
el = ownerDocument.createElement(this._currentElement.type);
}
} else {
el = ownerDocument.createElementNS(namespaceURI, this._currentElement.type);
}
ReactDOMComponentTree.precacheNode(this, el);
this._flags |= Flags.hasCachedChildNodes;
if (!this._hostParent) {
DOMPropertyOperations.setAttributeForRoot(el);
}
this._updateDOMProperties(null, props, transaction);
var lazyTree = DOMLazyTree(el);
this._createInitialChildren(transaction, props, context, lazyTree);
...function uncacheNode(inst) {
var node = inst._hostNode;
if (node) {
delete node[internalInstanceKey];
inst._hostNode = null;
}
}...
* management. So we just document it and throw in dangerous cases.
*/
!false ? process.env.NODE_ENV !== 'production' ? invariant(false, '<%s> tried to unmount. Because of
cross-browser quirks it is impossible to unmount some top-level components (eg <html>, <head>, and <body
>) reliably and efficiently. To fix this, have a single top-level component that never unmounts render these elements.'
;, this._tag) : _prodInvariant('66', this._tag) : void 0;
break;
}
this.unmountChildren(safely);
ReactDOMComponentTree.uncacheNode(this);
EventPluginHub.deleteAllListeners(this);
this._rootNodeID = 0;
this._domID = 0;
this._wrapperState = null;
if (process.env.NODE_ENV !== 'production') {
setAndValidateContentChildDev.call(this, null);
...ReactDOMEmptyComponent = function (instantiate) {
// ReactCompositeComponent uses this:
this._currentElement = null;
// ReactDOMComponentTree uses these:
this._hostNode = null;
this._hostParent = null;
this._hostContainerInfo = null;
this._domID = 0;
}n/a
getHostNode = function () {
return ReactDOMComponentTree.getNodeFromInstance(this);
}...
var prevElement = prevChild && prevChild._currentElement;
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
...mountComponent = function (transaction, hostParent, hostContainerInfo, context) {
var domID = hostContainerInfo._idCounter++;
this._domID = domID;
this._hostParent = hostParent;
this._hostContainerInfo = hostContainerInfo;
var nodeValue = ' react-empty: ' + this._domID + ' ';
if (transaction.useCreateElement) {
var ownerDocument = hostContainerInfo._ownerDocument;
var node = ownerDocument.createComment(nodeValue);
ReactDOMComponentTree.precacheNode(this, node);
return DOMLazyTree(node);
} else {
if (transaction.renderToStaticMarkup) {
// Normally we'd insert a comment node, but since this is a situation
// where React won't take over (static pages), we can simply return
// nothing.
return '';
}
return '<!--' + nodeValue + '-->';
}
}...
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
var nextChildMountImage = ReactReconciler.mountComponent(nextChildInstance, transaction
, hostParent, hostContainerInfo, context, selfDebugID);
mountImages.push(nextChildMountImage);
}
}
// Unmount children that are no longer present.
for (name in prevChildren) {
if (prevChildren.hasOwnProperty(name) && !(nextChildren && nextChildren.hasOwnProperty(name))) {
prevChild = prevChildren[name];
...receiveComponent = function () {}...
if (!nextChildren.hasOwnProperty(name)) {
continue;
}
prevChild = prevChildren && prevChildren[name];
var prevElement = prevChild && prevChild._currentElement;
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
...unmountComponent = function () {
ReactDOMComponentTree.uncacheNode(this);
}...
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
var nextChildMountImage = ReactReconciler.mountComponent(nextChildInstance, transaction, hostParent, hostContainerInfo, context
, selfDebugID);
...dangerouslyProcessChildrenUpdates = function (parentInst, updates) {
var node = ReactDOMComponentTree.getNodeFromInstance(parentInst);
DOMChildrenOperations.processUpdates(node, updates);
}n/a
getHostProps = function (inst, props) {
var value = LinkedValueUtils.getValue(props);
var checked = LinkedValueUtils.getChecked(props);
var hostProps = _assign({
// Make sure we set .type before any other properties (setting .value
// before .type means .value is lost in IE11 and below)
type: undefined,
// Make sure we set .step before .value (setting .value before .step
// means .value is rounded on mount, based upon step precision)
step: undefined,
// Make sure we set .min & .max before .value (to ensure proper order
// in corner cases such as min or max deriving from value, e.g. Issue #7170)
min: undefined,
max: undefined
}, props, {
defaultChecked: undefined,
defaultValue: undefined,
value: value != null ? value : inst._wrapperState.initialValue,
checked: checked != null ? checked : inst._wrapperState.initialChecked,
onChange: inst._wrapperState.onChange
});
return hostProps;
}...
this._wrapperState = {
listeners: null
};
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'input':
ReactDOMInput.mountWrapper(this, props, hostParent);
props = ReactDOMInput.getHostProps(this, props);
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'option':
ReactDOMOption.mountWrapper(this, props, hostParent);
props = ReactDOMOption.getHostProps(this, props);
break;
case 'select':
...mountWrapper = function (inst, props) {
if (process.env.NODE_ENV !== 'production') {
LinkedValueUtils.checkPropTypes('input', props, inst._currentElement._owner);
var owner = inst._currentElement._owner;
if (props.valueLink !== undefined && !didWarnValueLink) {
process.env.NODE_ENV !== 'production' ? warning(false, '`valueLink` prop on `input` is deprecated; set `value` and `onChange
` instead.') : void 0;
didWarnValueLink = true;
}
if (props.checkedLink !== undefined && !didWarnCheckedLink) {
process.env.NODE_ENV !== 'production' ? warning(false, '`checkedLink` prop on `input` is deprecated; set `value` and `onChange
` instead.') : void 0;
didWarnCheckedLink = true;
}
if (props.checked !== undefined && props.defaultChecked !== undefined && !didWarnCheckedDefaultChecked) {
process.env.NODE_ENV !== 'production' ? warning(false, '%s contains an input of type %s with both checked and defaultChecked
props. ' + 'Input elements must be either controlled or uncontrolled ' + '(specify either the checked prop, or the defaultChecked
prop, but not ' + 'both). Decide between using a controlled or uncontrolled input ' + 'element and remove one of these props. More
info: ' + 'https://fb.me/react-controlled-components', owner && owner.getName() || 'A component', props.type) : void 0;
didWarnCheckedDefaultChecked = true;
}
if (props.value !== undefined && props.defaultValue !== undefined && !didWarnValueDefaultValue) {
process.env.NODE_ENV !== 'production' ? warning(false, '%s contains an input of type %s with both value and defaultValue props
. ' + 'Input elements must be either controlled or uncontrolled ' + '(specify either the value prop, or the defaultValue prop, but
not ' + 'both). Decide between using a controlled or uncontrolled input ' + 'element and remove one of these props. More info: ' + '
https://fb.me/react-controlled-components', owner && owner.getName() || 'A component', props.type) : void 0;
didWarnValueDefaultValue = true;
}
}
var defaultValue = props.defaultValue;
inst._wrapperState = {
initialChecked: props.checked != null ? props.checked : props.defaultChecked,
initialValue: props.value != null ? props.value : defaultValue,
listeners: null,
onChange: _handleChange.bind(inst)
};
if (process.env.NODE_ENV !== 'production') {
inst._wrapperState.controlled = isControlled(props);
}
}...
case 'video':
this._wrapperState = {
listeners: null
};
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'input':
ReactDOMInput.mountWrapper(this, props, hostParent);
props = ReactDOMInput.getHostProps(this, props);
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'option':
ReactDOMOption.mountWrapper(this, props, hostParent);
props = ReactDOMOption.getHostProps(this, props);
break;
...postMountWrapper = function (inst) {
var props = inst._currentElement.props;
// This is in postMount because we need access to the DOM node, which is not
// available until after the component has mounted.
var node = ReactDOMComponentTree.getNodeFromInstance(inst);
// Detach value from defaultValue. We won't do anything if we're working on
// submit or reset inputs as those values & defaultValues are linked. They
// are not resetable nodes so this operation doesn't matter and actually
// removes browser-default values (eg "Submit Query") when no value is
// provided.
switch (props.type) {
case 'submit':
case 'reset':
break;
case 'color':
case 'date':
case 'datetime':
case 'datetime-local':
case 'month':
case 'time':
case 'week':
// This fixes the no-show issue on iOS Safari and Android Chrome:
// https://github.com/facebook/react/issues/7233
node.value = '';
node.value = node.defaultValue;
break;
default:
node.value = node.value;
break;
}
// 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 = '';
}
node.defaultChecked = !node.defaultChecked;
node.defaultChecked = !node.defaultChecked;
if (name !== '') {
node.name = name;
}
}...
function putListener() {
var listenerToPut = this;
EventPluginHub.putListener(listenerToPut.inst, listenerToPut.registrationName, listenerToPut.listener);
}
function inputPostMount() {
var inst = this;
ReactDOMInput.postMountWrapper(inst);
}
function textareaPostMount() {
var inst = this;
ReactDOMTextarea.postMountWrapper(inst);
}
...updateWrapper = function (inst) {
var props = inst._currentElement.props;
if (process.env.NODE_ENV !== 'production') {
var controlled = isControlled(props);
var owner = inst._currentElement._owner;
if (!inst._wrapperState.controlled && controlled && !didWarnUncontrolledToControlled) {
process.env.NODE_ENV !== 'production' ? warning(false, '%s is changing an uncontrolled input of type %s to be controlled. ' + '
Input elements should not switch from uncontrolled to controlled (or vice versa). ' + 'Decide between using a controlled or uncontrolled
input ' + 'element for the lifetime of the component. More info: https://fb.me/react-controlled-components', owner && owner.getName
() || 'A component', props.type) : void 0;
didWarnUncontrolledToControlled = true;
}
if (inst._wrapperState.controlled && !controlled && !didWarnControlledToUncontrolled) {
process.env.NODE_ENV !== 'production' ? warning(false, '%s is changing a controlled input of type %s to be uncontrolled. ' + '
Input elements should not switch from controlled to uncontrolled (or vice versa). ' + 'Decide between using a controlled or uncontrolled
input ' + 'element for the lifetime of the component. More info: https://fb.me/react-controlled-components', owner && owner.getName
() || 'A component', props.type) : void 0;
didWarnControlledToUncontrolled = true;
}
}
// TODO: Shouldn't this be getChecked(props)?
var checked = props.checked;
if (checked != null) {
DOMPropertyOperations.setValueForProperty(ReactDOMComponentTree.getNodeFromInstance(inst), 'checked', checked || false);
}
var node = ReactDOMComponentTree.getNodeFromInstance(inst);
var value = LinkedValueUtils.getValue(props);
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 = '' + value;
// To avoid side effects (such as losing text selection), only set value if changed
if (newValue !== node.value) {
node.value = newValue;
}
} else {
if (props.value == null && props.defaultValue != null) {
// 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
if (node.defaultValue !== '' + props.defaultValue) {
node.defaultValue = '' + props.defaultValue;
}
}
if (props.checked == null && props.defaultChecked != null) {
node.defaultChecked = !!props.defaultChecked;
}
}
}...
this._updateDOMChildren(lastProps, nextProps, transaction, context);
switch (this._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.
ReactDOMInput.updateWrapper(this);
break;
case 'textarea':
ReactDOMTextarea.updateWrapper(this);
break;
case 'select':
// <select> value update needs to occur after <option> children
// reconciliation
...onBeforeMountComponent = function (debugID, element) {
if (process.env.NODE_ENV !== 'production') {
handleElement(debugID, element);
}
}...
validateDOMNesting(null, String(content), this, this._ancestorInfo);
this._contentDebugID = contentDebugID;
if (hasExistingContent) {
ReactInstrumentation.debugTool.onBeforeUpdateComponent(contentDebugID, content);
ReactInstrumentation.debugTool.onUpdateComponent(contentDebugID);
} else {
ReactInstrumentation.debugTool.onBeforeMountComponent(contentDebugID, content,
debugID);
ReactInstrumentation.debugTool.onMountComponent(contentDebugID);
ReactInstrumentation.debugTool.onSetChildren(debugID, [contentDebugID]);
}
};
}
// There are so many media events, it makes sense to just
...onBeforeUpdateComponent = function (debugID, element) {
if (process.env.NODE_ENV !== 'production') {
handleElement(debugID, element);
}
}...
this._contentDebugID = null;
return;
}
validateDOMNesting(null, String(content), this, this._ancestorInfo);
this._contentDebugID = contentDebugID;
if (hasExistingContent) {
ReactInstrumentation.debugTool.onBeforeUpdateComponent(contentDebugID, content);
ReactInstrumentation.debugTool.onUpdateComponent(contentDebugID);
} else {
ReactInstrumentation.debugTool.onBeforeMountComponent(contentDebugID, content, debugID);
ReactInstrumentation.debugTool.onMountComponent(contentDebugID);
ReactInstrumentation.debugTool.onSetChildren(debugID, [contentDebugID]);
}
};
...onBeforeMountComponent = function (debugID, element) {
handleElement(debugID, element);
}...
validateDOMNesting(null, String(content), this, this._ancestorInfo);
this._contentDebugID = contentDebugID;
if (hasExistingContent) {
ReactInstrumentation.debugTool.onBeforeUpdateComponent(contentDebugID, content);
ReactInstrumentation.debugTool.onUpdateComponent(contentDebugID);
} else {
ReactInstrumentation.debugTool.onBeforeMountComponent(contentDebugID, content,
debugID);
ReactInstrumentation.debugTool.onMountComponent(contentDebugID);
ReactInstrumentation.debugTool.onSetChildren(debugID, [contentDebugID]);
}
};
}
// There are so many media events, it makes sense to just
...onBeforeUpdateComponent = function (debugID, element) {
handleElement(debugID, element);
}...
this._contentDebugID = null;
return;
}
validateDOMNesting(null, String(content), this, this._ancestorInfo);
this._contentDebugID = contentDebugID;
if (hasExistingContent) {
ReactInstrumentation.debugTool.onBeforeUpdateComponent(contentDebugID, content);
ReactInstrumentation.debugTool.onUpdateComponent(contentDebugID);
} else {
ReactInstrumentation.debugTool.onBeforeMountComponent(contentDebugID, content, debugID);
ReactInstrumentation.debugTool.onMountComponent(contentDebugID);
ReactInstrumentation.debugTool.onSetChildren(debugID, [contentDebugID]);
}
};
...getHostProps = function (inst, props) {
var hostProps = _assign({ selected: undefined, children: undefined }, props);
// Read state only from initial mount because <select> updates value
// manually; we need the initial state only for server rendering
if (inst._wrapperState.selected != null) {
hostProps.selected = inst._wrapperState.selected;
}
var content = flattenChildren(props.children);
if (content) {
hostProps.children = content;
}
return hostProps;
}...
this._wrapperState = {
listeners: null
};
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'input':
ReactDOMInput.mountWrapper(this, props, hostParent);
props = ReactDOMInput.getHostProps(this, props);
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'option':
ReactDOMOption.mountWrapper(this, props, hostParent);
props = ReactDOMOption.getHostProps(this, props);
break;
case 'select':
...mountWrapper = function (inst, props, hostParent) {
// TODO (yungsters): Remove support for `selected` in <option>.
if (process.env.NODE_ENV !== 'production') {
process.env.NODE_ENV !== 'production' ? warning(props.selected == null, 'Use the `defaultValue` or `value` props on <select>
instead of ' + 'setting `selected` on <option>.') : void 0;
}
// Look up whether this option is 'selected'
var selectValue = null;
if (hostParent != null) {
var selectParent = hostParent;
if (selectParent._tag === 'optgroup') {
selectParent = selectParent._hostParent;
}
if (selectParent != null && selectParent._tag === 'select') {
selectValue = ReactDOMSelect.getSelectValueContext(selectParent);
}
}
// If the value is null (e.g., no specified value or after initial mount)
// or missing (e.g., for <datalist>), we don't change props.selected
var selected = null;
if (selectValue != null) {
var value;
if (props.value != null) {
value = props.value + '';
} else {
value = flattenChildren(props.children);
}
selected = false;
if (Array.isArray(selectValue)) {
// multiple
for (var i = 0; i < selectValue.length; i++) {
if ('' + selectValue[i] === value) {
selected = true;
break;
}
}
} else {
selected = '' + selectValue === value;
}
}
inst._wrapperState = { selected: selected };
}...
case 'video':
this._wrapperState = {
listeners: null
};
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'input':
ReactDOMInput.mountWrapper(this, props, hostParent);
props = ReactDOMInput.getHostProps(this, props);
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'option':
ReactDOMOption.mountWrapper(this, props, hostParent);
props = ReactDOMOption.getHostProps(this, props);
break;
...postMountWrapper = function (inst) {
// value="" should make a value attribute (#6219)
var props = inst._currentElement.props;
if (props.value != null) {
var node = ReactDOMComponentTree.getNodeFromInstance(inst);
node.setAttribute('value', props.value);
}
}...
function putListener() {
var listenerToPut = this;
EventPluginHub.putListener(listenerToPut.inst, listenerToPut.registrationName, listenerToPut.listener);
}
function inputPostMount() {
var inst = this;
ReactDOMInput.postMountWrapper(inst);
}
function textareaPostMount() {
var inst = this;
ReactDOMTextarea.postMountWrapper(inst);
}
...getHostProps = function (inst, props) {
return _assign({}, props, {
onChange: inst._wrapperState.onChange,
value: undefined
});
}...
this._wrapperState = {
listeners: null
};
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'input':
ReactDOMInput.mountWrapper(this, props, hostParent);
props = ReactDOMInput.getHostProps(this, props);
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'option':
ReactDOMOption.mountWrapper(this, props, hostParent);
props = ReactDOMOption.getHostProps(this, props);
break;
case 'select':
...getSelectValueContext = function (inst) {
// ReactDOMOption looks at this initial value so the initial generated
// markup has correct `selected` attributes
return inst._wrapperState.initialValue;
}...
var selectParent = hostParent;
if (selectParent._tag === 'optgroup') {
selectParent = selectParent._hostParent;
}
if (selectParent != null && selectParent._tag === 'select') {
selectValue = ReactDOMSelect.getSelectValueContext(selectParent);
}
}
// If the value is null (e.g., no specified value or after initial mount)
// or missing (e.g., for <datalist>), we don't change props.selected
var selected = null;
if (selectValue != null) {
...mountWrapper = function (inst, props) {
if (process.env.NODE_ENV !== 'production') {
checkSelectPropTypes(inst, props);
}
var value = LinkedValueUtils.getValue(props);
inst._wrapperState = {
pendingUpdate: false,
initialValue: value != null ? value : props.defaultValue,
listeners: null,
onChange: _handleChange.bind(inst),
wasMultiple: Boolean(props.multiple)
};
if (props.value !== undefined && props.defaultValue !== undefined && !didWarnValueDefaultValue) {
process.env.NODE_ENV !== 'production' ? warning(false, 'Select elements must be either controlled or uncontrolled ' + '(specify
either the value prop, or the defaultValue prop, but not ' + 'both). Decide between using a controlled or uncontrolled select ' + '
element and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components') : void 0;
didWarnValueDefaultValue = true;
}
}...
case 'video':
this._wrapperState = {
listeners: null
};
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'input':
ReactDOMInput.mountWrapper(this, props, hostParent);
props = ReactDOMInput.getHostProps(this, props);
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'option':
ReactDOMOption.mountWrapper(this, props, hostParent);
props = ReactDOMOption.getHostProps(this, props);
break;
...postUpdateWrapper = function (inst) {
var props = inst._currentElement.props;
// After the initial mount, we control selected-ness manually so don't pass
// this value down
inst._wrapperState.initialValue = undefined;
var wasMultiple = inst._wrapperState.wasMultiple;
inst._wrapperState.wasMultiple = Boolean(props.multiple);
var value = LinkedValueUtils.getValue(props);
if (value != null) {
inst._wrapperState.pendingUpdate = false;
updateOptions(inst, Boolean(props.multiple), value);
} else if (wasMultiple !== Boolean(props.multiple)) {
// For simplicity, reapply `defaultValue` if `multiple` is toggled.
if (props.defaultValue != null) {
updateOptions(inst, Boolean(props.multiple), props.defaultValue);
} else {
// Revert the select back to its default unselected state.
updateOptions(inst, Boolean(props.multiple), props.multiple ? [] : '');
}
}
}...
case 'textarea':
inst._wrapperState.listeners = [ReactBrowserEventEmitter.trapBubbledEvent('topInvalid', 'invalid', node)];
break;
}
}
function postUpdateSelectWrapper() {
ReactDOMSelect.postUpdateWrapper(this);
}
// For HTML, certain tags should omit their close tag. We keep a whitelist for
// those special-case tags.
var omittedCloseTags = {
'area': true,
...function getModernOffsets(node) {
var selection = window.getSelection && window.getSelection();
if (!selection || selection.rangeCount === 0) {
return null;
}
var anchorNode = selection.anchorNode;
var anchorOffset = selection.anchorOffset;
var focusNode = selection.focusNode;
var focusOffset = selection.focusOffset;
var currentRange = selection.getRangeAt(0);
// In Firefox, range.startContainer and range.endContainer 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 */
currentRange.startContainer.nodeType;
currentRange.endContainer.nodeType;
/* eslint-enable no-unused-expressions */
} catch (e) {
return null;
}
// If the node and offset values are the same, the selection is collapsed.
// `Selection.isCollapsed` is available natively, but IE sometimes gets
// this value wrong.
var isSelectionCollapsed = isCollapsed(selection.anchorNode, selection.anchorOffset, selection.focusNode, selection.focusOffset
);
var rangeLength = isSelectionCollapsed ? 0 : currentRange.toString().length;
var tempRange = currentRange.cloneRange();
tempRange.selectNodeContents(node);
tempRange.setEnd(currentRange.startContainer, currentRange.startOffset);
var isTempRangeCollapsed = isCollapsed(tempRange.startContainer, tempRange.startOffset, tempRange.endContainer, tempRange.endOffset
);
var start = isTempRangeCollapsed ? 0 : tempRange.toString().length;
var end = start + rangeLength;
// Detect whether the selection is backward.
var detectionRange = document.createRange();
detectionRange.setStart(anchorNode, anchorOffset);
detectionRange.setEnd(focusNode, focusOffset);
var isBackward = detectionRange.collapsed;
return {
start: isBackward ? end : start,
end: isBackward ? start : end
};
}...
selection = {
start: -range.moveStart('character', -input.value.length),
end: -range.moveEnd('character', -input.value.length)
};
}
} else {
// Content editable or old IE textarea.
selection = ReactDOMSelection.getOffsets(input);
}
return selection || { start: 0, end: 0 };
},
/**
* @setSelection: Sets the selection bounds of a textarea or input and focuses
...function setModernOffsets(node, offsets) {
if (!window.getSelection) {
return;
}
var selection = window.getSelection();
var length = node[getTextContentAccessor()].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) {
var range = document.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);
}
}
}...
} else if (document.selection && input.nodeName && input.nodeName.toLowerCase() === 'input') {
var range = input.createTextRange();
range.collapse(true);
range.moveStart('character', start);
range.moveEnd('character', end - start);
range.select();
} else {
ReactDOMSelection.setOffsets(input, offsets);
}
}
};
module.exports = ReactInputSelection;
...function renderToStaticMarkup(element) {
!React.isValidElement(element) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'renderToStaticMarkup(): You must pass
a valid ReactElement.') : _prodInvariant('47') : void 0;
return renderToStringImpl(element, true);
}n/a
function renderToString(element) {
!React.isValidElement(element) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'renderToString(): You must pass a valid
ReactElement.') : _prodInvariant('46') : void 0;
return renderToStringImpl(element, false);
}...
class MyComponent extends React.Component {
render() {
return <div>Hello World</div>;
}
}
ReactDOMServer.renderToString(<MyComponent />);
```
## API
### `react-dom`
- `findDOMNode`
...ReactDOMTextComponent = function (text) {
// TODO: This is really a ReactText (ReactNode), not a ReactElement
this._currentElement = text;
this._stringText = '' + text;
// ReactDOMComponentTree uses these:
this._hostNode = null;
this._hostParent = null;
// Properties
this._domID = 0;
this._mountIndex = 0;
this._closingComment = null;
this._commentNodes = null;
}n/a
getHostNode = function () {
var hostNode = this._commentNodes;
if (hostNode) {
return hostNode;
}
if (!this._closingComment) {
var openingComment = ReactDOMComponentTree.getNodeFromInstance(this);
var node = openingComment.nextSibling;
while (true) {
!(node != null) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Missing closing comment for text component %s',
this._domID) : _prodInvariant('67', this._domID) : void 0;
if (node.nodeType === 8 && node.nodeValue === ' /react-text ') {
this._closingComment = node;
break;
}
node = node.nextSibling;
}
}
hostNode = [this._hostNode, this._closingComment];
this._commentNodes = hostNode;
return hostNode;
}...
var prevElement = prevChild && prevChild._currentElement;
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
...mountComponent = function (transaction, hostParent, hostContainerInfo, context) {
if (process.env.NODE_ENV !== 'production') {
var parentInfo;
if (hostParent != null) {
parentInfo = hostParent._ancestorInfo;
} else if (hostContainerInfo != null) {
parentInfo = hostContainerInfo._ancestorInfo;
}
if (parentInfo) {
// parentInfo should always be present except for the top-level
// component when server rendering
validateDOMNesting(null, this._stringText, this, parentInfo);
}
}
var domID = hostContainerInfo._idCounter++;
var openingValue = ' react-text: ' + domID + ' ';
var closingValue = ' /react-text ';
this._domID = domID;
this._hostParent = hostParent;
if (transaction.useCreateElement) {
var ownerDocument = hostContainerInfo._ownerDocument;
var openingComment = ownerDocument.createComment(openingValue);
var closingComment = ownerDocument.createComment(closingValue);
var lazyTree = DOMLazyTree(ownerDocument.createDocumentFragment());
DOMLazyTree.queueChild(lazyTree, DOMLazyTree(openingComment));
if (this._stringText) {
DOMLazyTree.queueChild(lazyTree, DOMLazyTree(ownerDocument.createTextNode(this._stringText)));
}
DOMLazyTree.queueChild(lazyTree, DOMLazyTree(closingComment));
ReactDOMComponentTree.precacheNode(this, openingComment);
this._closingComment = closingComment;
return lazyTree;
} else {
var escapedText = escapeTextContentForBrowser(this._stringText);
if (transaction.renderToStaticMarkup) {
// Normally we'd wrap this between comment nodes for the reasons stated
// above, but since this is a situation where React won't take over
// (static pages), we can simply return the text as it is.
return escapedText;
}
return '<!--' + openingValue + '-->' + escapedText + '<!--' + closingValue + '-->';
}
}...
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
var nextChildMountImage = ReactReconciler.mountComponent(nextChildInstance, transaction
, hostParent, hostContainerInfo, context, selfDebugID);
mountImages.push(nextChildMountImage);
}
}
// Unmount children that are no longer present.
for (name in prevChildren) {
if (prevChildren.hasOwnProperty(name) && !(nextChildren && nextChildren.hasOwnProperty(name))) {
prevChild = prevChildren[name];
...receiveComponent = function (nextText, transaction) {
if (nextText !== this._currentElement) {
this._currentElement = nextText;
var nextStringText = '' + nextText;
if (nextStringText !== this._stringText) {
// TODO: Save this as pending props and use performUpdateIfNecessary
// and/or updateComponent to do the actual update for consistency with
// other component types?
this._stringText = nextStringText;
var commentNodes = this.getHostNode();
DOMChildrenOperations.replaceDelimitedText(commentNodes[0], commentNodes[1], nextStringText);
}
}
}...
if (!nextChildren.hasOwnProperty(name)) {
continue;
}
prevChild = prevChildren && prevChildren[name];
var prevElement = prevChild && prevChild._currentElement;
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
...unmountComponent = function () {
this._closingComment = null;
this._commentNodes = null;
ReactDOMComponentTree.uncacheNode(this);
}...
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
var nextChildMountImage = ReactReconciler.mountComponent(nextChildInstance, transaction, hostParent, hostContainerInfo, context
, selfDebugID);
...getHostProps = function (inst, props) {
!(props.dangerouslySetInnerHTML == null) ? process.env.NODE_ENV !== 'production' ? invariant(false, '`dangerouslySetInnerHTML`
does not make sense on <textarea>.') : _prodInvariant('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+Ben 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: '' + inst._wrapperState.initialValue,
onChange: inst._wrapperState.onChange
});
return hostProps;
}...
this._wrapperState = {
listeners: null
};
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'input':
ReactDOMInput.mountWrapper(this, props, hostParent);
props = ReactDOMInput.getHostProps(this, props);
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'option':
ReactDOMOption.mountWrapper(this, props, hostParent);
props = ReactDOMOption.getHostProps(this, props);
break;
case 'select':
...mountWrapper = function (inst, props) {
if (process.env.NODE_ENV !== 'production') {
LinkedValueUtils.checkPropTypes('textarea', props, inst._currentElement._owner);
if (props.valueLink !== undefined && !didWarnValueLink) {
process.env.NODE_ENV !== 'production' ? warning(false, '`valueLink` prop on `textarea` is deprecated; set `value` and `onChange
` instead.') : void 0;
didWarnValueLink = true;
}
if (props.value !== undefined && props.defaultValue !== undefined && !didWarnValDefaultVal) {
process.env.NODE_ENV !== 'production' ? warning(false, 'Textarea elements must be either controlled or uncontrolled ' + '(
specify either the value prop, or the defaultValue prop, but not ' + 'both). Decide between using a controlled or uncontrolled textarea
' + 'and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components') : void 0;
didWarnValDefaultVal = true;
}
}
var value = LinkedValueUtils.getValue(props);
var initialValue = value;
// Only bother fetching default value if we're going to use it
if (value == null) {
var defaultValue = props.defaultValue;
// TODO (yungsters): Remove support for children content in <textarea>.
var children = props.children;
if (children != null) {
if (process.env.NODE_ENV !== 'production') {
process.env.NODE_ENV !== 'production' ? warning(false, 'Use the `defaultValue` or `value` props instead of setting ' + '
children on <textarea>.') : void 0;
}
!(defaultValue == null) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'If you supply `defaultValue` on a <textarea
>, do not pass children.') : _prodInvariant('92') : void 0;
if (Array.isArray(children)) {
!(children.length <= 1) ? process.env.NODE_ENV !== 'production' ? invariant(false, '<textarea> can only have at most one
child.') : _prodInvariant('93') : void 0;
children = children[0];
}
defaultValue = '' + children;
}
if (defaultValue == null) {
defaultValue = '';
}
initialValue = defaultValue;
}
inst._wrapperState = {
initialValue: '' + initialValue,
listeners: null,
onChange: _handleChange.bind(inst)
};
}...
case 'video':
this._wrapperState = {
listeners: null
};
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'input':
ReactDOMInput.mountWrapper(this, props, hostParent);
props = ReactDOMInput.getHostProps(this, props);
transaction.getReactMountReady().enqueue(trapBubbledEventsLocal, this);
break;
case 'option':
ReactDOMOption.mountWrapper(this, props, hostParent);
props = ReactDOMOption.getHostProps(this, props);
break;
...postMountWrapper = function (inst) {
// This is in postMount because we need access to the DOM node, which is not
// available until after the component has mounted.
var node = ReactDOMComponentTree.getNodeFromInstance(inst);
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 === inst._wrapperState.initialValue) {
node.value = textContent;
}
}...
function putListener() {
var listenerToPut = this;
EventPluginHub.putListener(listenerToPut.inst, listenerToPut.registrationName, listenerToPut.listener);
}
function inputPostMount() {
var inst = this;
ReactDOMInput.postMountWrapper(inst);
}
function textareaPostMount() {
var inst = this;
ReactDOMTextarea.postMountWrapper(inst);
}
...updateWrapper = function (inst) {
var props = inst._currentElement.props;
var node = ReactDOMComponentTree.getNodeFromInstance(inst);
var value = LinkedValueUtils.getValue(props);
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 = '' + 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;
}
}
if (props.defaultValue != null) {
node.defaultValue = props.defaultValue;
}
}...
this._updateDOMChildren(lastProps, nextProps, transaction, context);
switch (this._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.
ReactDOMInput.updateWrapper(this);
break;
case 'textarea':
ReactDOMTextarea.updateWrapper(this);
break;
case 'select':
// <select> value update needs to occur after <option> children
// reconciliation
...function getLowestCommonAncestor(instA, instB) {
!('_hostNode' in instA) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'getNodeFromInstance: Invalid argument.') :
_prodInvariant('33') : void 0;
!('_hostNode' in instB) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'getNodeFromInstance: Invalid argument.') :
_prodInvariant('33') : void 0;
var depthA = 0;
for (var tempA = instA; tempA; tempA = tempA._hostParent) {
depthA++;
}
var depthB = 0;
for (var tempB = instB; tempB; tempB = tempB._hostParent) {
depthB++;
}
// If A is deeper, crawl up.
while (depthA - depthB > 0) {
instA = instA._hostParent;
depthA--;
}
// If B is deeper, crawl up.
while (depthB - depthA > 0) {
instB = instB._hostParent;
depthB--;
}
// Walk in lockstep until we find a match.
var depth = depthA;
while (depth--) {
if (instA === instB) {
return instA;
}
instA = instA._hostParent;
instB = instB._hostParent;
}
return null;
}...
getNodeFromInstance: function (node) {
return ComponentTree.getNodeFromInstance(node);
},
isAncestor: function (a, b) {
return TreeTraversal.isAncestor(a, b);
},
getLowestCommonAncestor: function (a, b) {
return TreeTraversal.getLowestCommonAncestor(a, b);
},
getParentInstance: function (inst) {
return TreeTraversal.getParentInstance(inst);
},
traverseTwoPhase: function (target, fn, arg) {
return TreeTraversal.traverseTwoPhase(target, fn, arg);
},
...function getParentInstance(inst) {
!('_hostNode' in inst) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'getParentInstance: Invalid argument.') : _prodInvariant
('36') : void 0;
return inst._hostParent;
}...
isAncestor: function (a, b) {
return TreeTraversal.isAncestor(a, b);
},
getLowestCommonAncestor: function (a, b) {
return TreeTraversal.getLowestCommonAncestor(a, b);
},
getParentInstance: function (inst) {
return TreeTraversal.getParentInstance(inst);
},
traverseTwoPhase: function (target, fn, arg) {
return TreeTraversal.traverseTwoPhase(target, fn, arg);
},
traverseEnterLeave: function (from, to, fn, argFrom, argTo) {
return TreeTraversal.traverseEnterLeave(from, to, fn, argFrom, argTo);
},
...function isAncestor(instA, instB) {
!('_hostNode' in instA) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'isAncestor: Invalid argument.') : _prodInvariant
('35') : void 0;
!('_hostNode' in instB) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'isAncestor: Invalid argument.') : _prodInvariant
('35') : void 0;
while (instB) {
if (instB === instA) {
return true;
}
instB = instB._hostParent;
}
return false;
}...
getInstanceFromNode: function (node) {
return ComponentTree.getInstanceFromNode(node);
},
getNodeFromInstance: function (node) {
return ComponentTree.getNodeFromInstance(node);
},
isAncestor: function (a, b) {
return TreeTraversal.isAncestor(a, b);
},
getLowestCommonAncestor: function (a, b) {
return TreeTraversal.getLowestCommonAncestor(a, b);
},
getParentInstance: function (inst) {
return TreeTraversal.getParentInstance(inst);
},
...function traverseEnterLeave(from, to, fn, argFrom, argTo) {
var common = from && to ? getLowestCommonAncestor(from, to) : null;
var pathFrom = [];
while (from && from !== common) {
pathFrom.push(from);
from = from._hostParent;
}
var pathTo = [];
while (to && to !== common) {
pathTo.push(to);
to = to._hostParent;
}
var i;
for (i = 0; i < pathFrom.length; i++) {
fn(pathFrom[i], 'bubbled', argFrom);
}
for (i = pathTo.length; i-- > 0;) {
fn(pathTo[i], 'captured', argTo);
}
}...
getParentInstance: function (inst) {
return TreeTraversal.getParentInstance(inst);
},
traverseTwoPhase: function (target, fn, arg) {
return TreeTraversal.traverseTwoPhase(target, fn, arg);
},
traverseEnterLeave: function (from, to, fn, argFrom, argTo) {
return TreeTraversal.traverseEnterLeave(from, to, fn, argFrom, argTo);
},
injection: injection
};
module.exports = EventPluginUtils;
...function traverseTwoPhase(inst, fn, arg) {
var path = [];
while (inst) {
path.push(inst);
inst = inst._hostParent;
}
var i;
for (i = path.length; i-- > 0;) {
fn(path[i], 'captured', arg);
}
for (i = 0; i < path.length; i++) {
fn(path[i], 'bubbled', arg);
}
}...
getLowestCommonAncestor: function (a, b) {
return TreeTraversal.getLowestCommonAncestor(a, b);
},
getParentInstance: function (inst) {
return TreeTraversal.getParentInstance(inst);
},
traverseTwoPhase: function (target, fn, arg) {
return TreeTraversal.traverseTwoPhase(target, fn, arg);
},
traverseEnterLeave: function (from, to, fn, argFrom, argTo) {
return TreeTraversal.traverseEnterLeave(from, to, fn, argFrom, argTo);
},
injection: injection
};
...onBeforeMountComponent = function (debugID, element) {
handleElement(debugID, element);
}...
validateDOMNesting(null, String(content), this, this._ancestorInfo);
this._contentDebugID = contentDebugID;
if (hasExistingContent) {
ReactInstrumentation.debugTool.onBeforeUpdateComponent(contentDebugID, content);
ReactInstrumentation.debugTool.onUpdateComponent(contentDebugID);
} else {
ReactInstrumentation.debugTool.onBeforeMountComponent(contentDebugID, content,
debugID);
ReactInstrumentation.debugTool.onMountComponent(contentDebugID);
ReactInstrumentation.debugTool.onSetChildren(debugID, [contentDebugID]);
}
};
}
// There are so many media events, it makes sense to just
...onBeforeUpdateComponent = function (debugID, element) {
handleElement(debugID, element);
}...
this._contentDebugID = null;
return;
}
validateDOMNesting(null, String(content), this, this._ancestorInfo);
this._contentDebugID = contentDebugID;
if (hasExistingContent) {
ReactInstrumentation.debugTool.onBeforeUpdateComponent(contentDebugID, content);
ReactInstrumentation.debugTool.onUpdateComponent(contentDebugID);
} else {
ReactInstrumentation.debugTool.onBeforeMountComponent(contentDebugID, content, debugID);
ReactInstrumentation.debugTool.onMountComponent(contentDebugID);
ReactInstrumentation.debugTool.onSetChildren(debugID, [contentDebugID]);
}
};
...addDevtool = function (hook) {
hooks.push(hook);
}n/a
addHook = function (hook) {
hooks.push(hook);
}...
if (isProfiling) {
return;
}
isProfiling = true;
flushHistory.length = 0;
resetMeasurements();
ReactDebugTool.addHook(ReactHostOperationHistoryHook);
},
endProfiling: function () {
if (!isProfiling) {
return;
}
isProfiling = false;
...beginProfiling = function () {
if (isProfiling) {
return;
}
isProfiling = true;
flushHistory.length = 0;
resetMeasurements();
ReactDebugTool.addHook(ReactHostOperationHistoryHook);
}...
ReactDebugTool.addDevtool = ReactDebugTool.addHook;
ReactDebugTool.removeDevtool = ReactDebugTool.removeHook;
ReactDebugTool.addHook(ReactInvalidSetStateWarningHook);
ReactDebugTool.addHook(ReactComponentTreeHook);
var url = ExecutionEnvironment.canUseDOM && window.location.href || '';
if (/[?&]react_perf\b/.test(url)) {
ReactDebugTool.beginProfiling();
}
module.exports = ReactDebugTool;
...endProfiling = function () {
if (!isProfiling) {
return;
}
isProfiling = false;
resetMeasurements();
ReactDebugTool.removeHook(ReactHostOperationHistoryHook);
}...
function stop() {
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
return;
}
ReactDebugTool.endProfiling();
}
function isRunning() {
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
return false;
}
...getFlushHistory = function () {
return flushHistory;
}...
function getLastMeasurements() {
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
return [];
}
return ReactDebugTool.getFlushHistory();
}
function getExclusive() {
var flushHistory = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getLastMeasurements();
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
...isProfiling = function () {
return isProfiling;
}...
function isRunning() {
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
return false;
}
return ReactDebugTool.isProfiling();
}
var ReactPerfAnalysis = {
getLastMeasurements: getLastMeasurements,
getExclusive: getExclusive,
getInclusive: getInclusive,
getWasted: getWasted,
...onBeforeMountComponent = function (debugID, element, parentDebugID) {
checkDebugID(debugID);
checkDebugID(parentDebugID, true);
emitEvent('onBeforeMountComponent', debugID, element, parentDebugID);
markBegin(debugID, 'mount');
}...
validateDOMNesting(null, String(content), this, this._ancestorInfo);
this._contentDebugID = contentDebugID;
if (hasExistingContent) {
ReactInstrumentation.debugTool.onBeforeUpdateComponent(contentDebugID, content);
ReactInstrumentation.debugTool.onUpdateComponent(contentDebugID);
} else {
ReactInstrumentation.debugTool.onBeforeMountComponent(contentDebugID, content,
debugID);
ReactInstrumentation.debugTool.onMountComponent(contentDebugID);
ReactInstrumentation.debugTool.onSetChildren(debugID, [contentDebugID]);
}
};
}
// There are so many media events, it makes sense to just
...onBeforeUnmountComponent = function (debugID) {
checkDebugID(debugID);
emitEvent('onBeforeUnmountComponent', debugID);
markBegin(debugID, 'unmount');
}...
*
* @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);
...onBeforeUpdateComponent = function (debugID, element) {
checkDebugID(debugID);
emitEvent('onBeforeUpdateComponent', debugID, element);
markBegin(debugID, 'update');
}...
this._contentDebugID = null;
return;
}
validateDOMNesting(null, String(content), this, this._ancestorInfo);
this._contentDebugID = contentDebugID;
if (hasExistingContent) {
ReactInstrumentation.debugTool.onBeforeUpdateComponent(contentDebugID, content);
ReactInstrumentation.debugTool.onUpdateComponent(contentDebugID);
} else {
ReactInstrumentation.debugTool.onBeforeMountComponent(contentDebugID, content, debugID);
ReactInstrumentation.debugTool.onMountComponent(contentDebugID);
ReactInstrumentation.debugTool.onSetChildren(debugID, [contentDebugID]);
}
};
...onBeginFlush = function () {
currentFlushNesting++;
resetMeasurements();
pauseCurrentLifeCycleTimer();
emitEvent('onBeginFlush');
}...
* @param {DOMElement} container DOM element to unmount from.
* @final
* @internal
* @see {ReactMount.unmountComponentAtNode}
*/
function unmountComponentFromNode(instance, container, safely) {
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onBeginFlush();
}
ReactReconciler.unmountComponent(instance, safely);
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onEndFlush();
}
if (container.nodeType === DOC_NODE_TYPE) {
...onBeginLifeCycleTimer = function (debugID, timerType) {
checkDebugID(debugID);
emitEvent('onBeginLifeCycleTimer', debugID, timerType);
markBegin(debugID, timerType);
beginLifeCycleTimer(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);
}
}
...onBeginProcessingChildContext = function () {
emitEvent('onBeginProcessingChildContext');
}...
_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();
...onEndFlush = function () {
resetMeasurements();
currentFlushNesting--;
resumeCurrentLifeCycleTimer();
emitEvent('onEndFlush');
}...
*/
function unmountComponentFromNode(instance, container, safely) {
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onBeginFlush();
}
ReactReconciler.unmountComponent(instance, safely);
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onEndFlush();
}
if (container.nodeType === DOC_NODE_TYPE) {
container = container.documentElement;
}
// http://jsperf.com/emptying-a-node
...onEndLifeCycleTimer = function (debugID, timerType) {
checkDebugID(debugID);
endLifeCycleTimer(debugID, timerType);
markEnd(debugID, timerType);
emitEvent('onEndLifeCycleTimer', debugID, timerType);
}...
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.
...onEndProcessingChildContext = function () {
emitEvent('onEndProcessingChildContext');
}...
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) {
...onHostOperation = function (operation) {
checkDebugID(operation.instanceID);
emitEvent('onHostOperation', operation);
}...
*
* @param {DOMElement} node
* @param {object} styles
* @param {ReactDOMComponent} component
*/
setValueForStyles: function (node, styles, component) {
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: component._debugID,
type: 'update styles',
payload: styles
});
}
var style = node.style;
...onMountComponent = function (debugID) {
checkDebugID(debugID);
markEnd(debugID, 'mount');
emitEvent('onMountComponent', debugID);
}...
validateDOMNesting(null, String(content), this, this._ancestorInfo);
this._contentDebugID = contentDebugID;
if (hasExistingContent) {
ReactInstrumentation.debugTool.onBeforeUpdateComponent(contentDebugID, content);
ReactInstrumentation.debugTool.onUpdateComponent(contentDebugID);
} else {
ReactInstrumentation.debugTool.onBeforeMountComponent(contentDebugID, content, debugID);
ReactInstrumentation.debugTool.onMountComponent(contentDebugID);
ReactInstrumentation.debugTool.onSetChildren(debugID, [contentDebugID]);
}
};
}
// There are so many media events, it makes sense to just
// maintain a list rather than create a `trapBubbledEvent` for each
...onSetChildren = function (debugID, childDebugIDs) {
checkDebugID(debugID);
childDebugIDs.forEach(checkDebugID);
emitEvent('onSetChildren', debugID, childDebugIDs);
}...
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 () {
...onSetState = function () {
emitEvent('onSetState');
}...
*
* @param {ReactClass} publicInstance The instance that should rerender.
* @param {object} partialState Next partial state to be merged with state.
* @internal
*/
enqueueSetState: function (publicInstance, partialState) {
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onSetState();
process.env.NODE_ENV !== 'production' ? warning(partialState != null, 'setState(...): You passed an undefined or
null state object; ' + 'instead, use forceUpdate().') : void 0;
}
var internalInstance = getInternalInstanceReadyForUpdate(publicInstance, 'setState');
if (!internalInstance) {
return;
...onTestEvent = function () {
emitEvent('onTestEvent');
}n/a
onUnmountComponent = function (debugID) {
checkDebugID(debugID);
markEnd(debugID, 'unmount');
emitEvent('onUnmountComponent', debugID);
}...
var hasExistingContent = this._contentDebugID != null;
var debugID = this._debugID;
// This ID represents the inlined child that has no backing instance:
var contentDebugID = -debugID;
if (content == null) {
if (hasExistingContent) {
ReactInstrumentation.debugTool.onUnmountComponent(this._contentDebugID);
}
this._contentDebugID = null;
return;
}
validateDOMNesting(null, String(content), this, this._ancestorInfo);
this._contentDebugID = contentDebugID;
...onUpdateComponent = function (debugID) {
checkDebugID(debugID);
markEnd(debugID, 'update');
emitEvent('onUpdateComponent', debugID);
}...
return;
}
validateDOMNesting(null, String(content), this, this._ancestorInfo);
this._contentDebugID = contentDebugID;
if (hasExistingContent) {
ReactInstrumentation.debugTool.onBeforeUpdateComponent(contentDebugID, content);
ReactInstrumentation.debugTool.onUpdateComponent(contentDebugID);
} else {
ReactInstrumentation.debugTool.onBeforeMountComponent(contentDebugID, content, debugID);
ReactInstrumentation.debugTool.onMountComponent(contentDebugID);
ReactInstrumentation.debugTool.onSetChildren(debugID, [contentDebugID]);
}
};
}
...removeDevtool = function (hook) {
for (var i = 0; i < hooks.length; i++) {
if (hooks[i] === hook) {
hooks.splice(i, 1);
i--;
}
}
}n/a
removeHook = function (hook) {
for (var i = 0; i < hooks.length; i++) {
if (hooks[i] === hook) {
hooks.splice(i, 1);
i--;
}
}
}...
endProfiling: function () {
if (!isProfiling) {
return;
}
isProfiling = false;
resetMeasurements();
ReactDebugTool.removeHook(ReactHostOperationHistoryHook);
},
getFlushHistory: function () {
return flushHistory;
},
onBeginFlush: function () {
currentFlushNesting++;
resetMeasurements();
...batchedUpdates = function (callback, a, b, c, d, e) {
var alreadyBatchingUpdates = ReactDefaultBatchingStrategy.isBatchingUpdates;
ReactDefaultBatchingStrategy.isBatchingUpdates = true;
// The code is written this way to avoid extra allocations
if (alreadyBatchingUpdates) {
return callback(a, b, c, d, e);
} else {
return transaction.perform(callback, null, a, b, c, d, e);
}
}...
//
// 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.
ReactUpdates.batchedUpdates(runEventInBatch, event);
}
function runEventInBatch(event) {
EventPluginHub.enqueueEvents(event);
EventPluginHub.processEventQueue(false);
}
...function inject() {
if (alreadyInjected) {
// TODO: This is currently true because these injections are shared between
// the client and the server package. They should be built independently
// and not share any injection state. Then this problem will be solved.
return;
}
alreadyInjected = true;
ReactInjection.EventEmitter.injectReactEventListener(ReactEventListener);
/**
* Inject modules for resolving DOM hierarchy and plugin ordering.
*/
ReactInjection.EventPluginHub.injectEventPluginOrder(DefaultEventPluginOrder);
ReactInjection.EventPluginUtils.injectComponentTree(ReactDOMComponentTree);
ReactInjection.EventPluginUtils.injectTreeTraversal(ReactDOMTreeTraversal);
/**
* Some important event plugins included by default (without having to require
* them).
*/
ReactInjection.EventPluginHub.injectEventPluginsByName({
SimpleEventPlugin: SimpleEventPlugin,
EnterLeaveEventPlugin: EnterLeaveEventPlugin,
ChangeEventPlugin: ChangeEventPlugin,
SelectEventPlugin: SelectEventPlugin,
BeforeInputEventPlugin: BeforeInputEventPlugin
});
ReactInjection.HostComponent.injectGenericComponentClass(ReactDOMComponent);
ReactInjection.HostComponent.injectTextComponentClass(ReactDOMTextComponent);
ReactInjection.DOMProperty.injectDOMPropertyConfig(ARIADOMPropertyConfig);
ReactInjection.DOMProperty.injectDOMPropertyConfig(HTMLDOMPropertyConfig);
ReactInjection.DOMProperty.injectDOMPropertyConfig(SVGDOMPropertyConfig);
ReactInjection.EmptyComponent.injectEmptyComponentFactory(function (instantiate) {
return new ReactDOMEmptyComponent(instantiate);
});
ReactInjection.Updates.injectReconcileTransaction(ReactReconcileTransaction);
ReactInjection.Updates.injectBatchingStrategy(ReactDefaultBatchingStrategy);
ReactInjection.Component.injectEnvironment(ReactComponentBrowserEnvironment);
}...
'use strict';
var ReactDefaultInjection = require('./ReactDefaultInjection');
var ReactServerRendering = require('./ReactServerRendering');
var ReactVersion = require('./ReactVersion');
ReactDefaultInjection.inject();
var ReactDOMServer = {
renderToString: ReactServerRendering.renderToString,
renderToStaticMarkup: ReactServerRendering.renderToStaticMarkup,
version: ReactVersion
};
...create = function (instantiate) {
return emptyComponentFactory(instantiate);
}...
SyntheticEvent.Interface = EventInterface;
if (process.env.NODE_ENV !== 'production') {
if (isProxySupported) {
/*eslint-disable no-func-assign */
SyntheticEvent = new Proxy(SyntheticEvent, {
construct: function (target, args) {
return this.apply(target, Object.create(target.prototype), args);
},
apply: function (constructor, that, args) {
return new Proxy(constructor.apply(that, args), {
set: function (target, prop, value) {
if (prop !== 'isPersistent' && !target.constructor.Interface.hasOwnProperty(prop) && shouldBeReleasedProperties
.indexOf(prop) === -1) {
process.env.NODE_ENV !== 'production' ? warning(didWarnForAddedNewProperty || target.isPersistent(), '
;This synthetic event is reused for performance reasons. If you\'re ' + 'seeing this, you\'re adding a new property in the synthetic event object. ' + 'The property is never released. See ' + 'https://fb.me/react-event-pooling for more information.') : void 0;
didWarnForAddedNewProperty = true;
...function invokeGuardedCallback(name, func, a) {
try {
func(a);
} catch (x) {
if (caughtError === null) {
caughtError = x;
}
}
}...
*/
function executeDispatch(event, simulated, listener, inst) {
var type = event.type || 'unknown-event';
event.currentTarget = EventPluginUtils.getNodeFromInstance(inst);
if (simulated) {
ReactErrorUtils.invokeGuardedCallbackWithCatch(type, listener, event);
} else {
ReactErrorUtils.invokeGuardedCallback(type, listener, event);
}
event.currentTarget = null;
}
/**
* Standard/simple iteration through an event's collected dispatches.
*/
...function invokeGuardedCallback(name, func, a) {
try {
func(a);
} catch (x) {
if (caughtError === null) {
caughtError = x;
}
}
}...
* @param {function} listener Application-level callback
* @param {*} inst Internal component instance
*/
function executeDispatch(event, simulated, listener, inst) {
var type = event.type || 'unknown-event';
event.currentTarget = EventPluginUtils.getNodeFromInstance(inst);
if (simulated) {
ReactErrorUtils.invokeGuardedCallbackWithCatch(type, listener, event);
} else {
ReactErrorUtils.invokeGuardedCallback(type, listener, event);
}
event.currentTarget = null;
}
/**
...rethrowCaughtError = function () {
if (caughtError) {
var error = caughtError;
caughtError = null;
throw error;
}
}...
if (simulated) {
forEachAccumulated(processingEventQueue, executeDispatchesAndReleaseSimulated);
} else {
forEachAccumulated(processingEventQueue, executeDispatchesAndReleaseTopLevel);
}
!!eventQueue ? process.env.NODE_ENV !== 'production' ? invariant(false, 'processEventQueue(): Additional events
were enqueued while processing an event queue. Support for this has not yet been implemented.') : _prodInvariant('95&#
x27;) : void 0;
// This would be a good time to rethrow if any of the event handlers threw.
ReactErrorUtils.rethrowCaughtError();
},
/**
* These are needed for tests only. Do not use!
*/
__purge: function () {
listenerBank = {};
...handleTopLevel = function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var events = EventPluginHub.extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget);
runEventQueueInBatch(events);
}n/a
_handleTopLevel = function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var events = EventPluginHub.extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget);
runEventQueueInBatch(events);
}...
do {
bookKeeping.ancestors.push(ancestor);
ancestor = ancestor && findParent(ancestor);
} while (ancestor);
for (var i = 0; i < bookKeeping.ancestors.length; i++) {
targetInst = bookKeeping.ancestors[i];
ReactEventListener._handleTopLevel(bookKeeping.topLevelType, targetInst, bookKeeping
.nativeEvent, getEventTarget(bookKeeping.nativeEvent));
}
}
function scrollValueMonitor(cb) {
var scrollPosition = getUnboundedScrollPosition(window);
cb(scrollPosition);
}
...dispatchEvent = function (topLevelType, nativeEvent) {
if (!ReactEventListener._enabled) {
return;
}
var bookKeeping = TopLevelCallbackBookKeeping.getPooled(topLevelType, nativeEvent);
try {
// Event queue being processed in the same cycle allows
// `preventDefault`.
ReactUpdates.batchedUpdates(handleTopLevelImpl, bookKeeping);
} finally {
TopLevelCallbackBookKeeping.release(bookKeeping);
}
}...
ReactErrorUtils.invokeGuardedCallback = function (name, func, a) {
var boundFunc = func.bind(null, a);
var evtType = 'react-' + name;
fakeNode.addEventListener(evtType, boundFunc, false);
var evt = document.createEvent('Event');
// $FlowFixMe https://github.com/facebook/flow/issues/2336
evt.initEvent(evtType, false, false);
fakeNode.dispatchEvent(evt);
fakeNode.removeEventListener(evtType, boundFunc, false);
};
}
}
module.exports = ReactErrorUtils;
...isEnabled = function () {
return ReactEventListener._enabled;
}...
}
},
/**
* @return {boolean} True if callbacks are enabled.
*/
isEnabled: function () {
return !!(ReactBrowserEventEmitter.ReactEventListener && ReactBrowserEventEmitter.ReactEventListener.isEnabled());
},
/**
* 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
...monitorScrollValue = function (refresh) {
var callback = scrollValueMonitor.bind(null, refresh);
EventListener.listen(window, 'scroll', callback);
}...
*/
ensureScrollValueMonitoring: function () {
if (hasEventPageXY === undefined) {
hasEventPageXY = ReactBrowserEventEmitter.supportsEventPageXY();
}
if (!hasEventPageXY && !isMonitoringScrollValue) {
var refresh = ViewportMetrics.refreshScrollValues;
ReactBrowserEventEmitter.ReactEventListener.monitorScrollValue(refresh);
isMonitoringScrollValue = true;
}
}
});
module.exports = ReactBrowserEventEmitter;
...setEnabled = function (enabled) {
ReactEventListener._enabled = !!enabled;
}...
/**
* Sets whether or not any created callbacks should be enabled.
*
* @param {boolean} enabled True if callbacks should be enabled.
*/
setEnabled: function (enabled) {
if (ReactBrowserEventEmitter.ReactEventListener) {
ReactBrowserEventEmitter.ReactEventListener.setEnabled(enabled);
}
},
/**
* @return {boolean} True if callbacks are enabled.
*/
isEnabled: function () {
...setHandleTopLevel = function (handleTopLevel) {
ReactEventListener._handleTopLevel = handleTopLevel;
}...
ReactEventListener: null,
injection: {
/**
* @param {object} ReactEventListener
*/
injectReactEventListener: function (ReactEventListener) {
ReactEventListener.setHandleTopLevel(ReactBrowserEventEmitter.handleTopLevel);
ReactBrowserEventEmitter.ReactEventListener = ReactEventListener;
}
},
/**
* Sets whether or not any created callbacks should be enabled.
*
...trapBubbledEvent = function (topLevelType, handlerBaseName, element) {
if (!element) {
return null;
}
return EventListener.listen(element, handlerBaseName, ReactEventListener.dispatchEvent.bind(null, topLevelType));
}...
var dependencies = EventPluginRegistry.registrationNameDependencies[registrationName];
for (var i = 0; i < dependencies.length; i++) {
var dependency = dependencies[i];
if (!(isListening.hasOwnProperty(dependency) && isListening[dependency])) {
if (dependency === 'topWheel') {
if (isEventSupported('wheel')) {
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent('topWheel&#
x27;, 'wheel', mountAt);
} else if (isEventSupported('mousewheel')) {
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent('topWheel', 'mousewheel', mountAt);
} else {
// Firefox needs to capture a different mouse scroll event.
// @see http://www.quirksmode.org/dom/events/tests/scroll.html
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent('topWheel', 'DOMMouseScroll', mountAt);
}
...trapCapturedEvent = function (topLevelType, handlerBaseName, element) {
if (!element) {
return null;
}
return EventListener.capture(element, handlerBaseName, ReactEventListener.dispatchEvent.bind(null, topLevelType));
}...
// Firefox needs to capture a different mouse scroll event.
// @see http://www.quirksmode.org/dom/events/tests/scroll.html
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent('topWheel', 'DOMMouseScroll', mountAt);
}
} else if (dependency === 'topScroll') {
if (isEventSupported('scroll', true)) {
ReactBrowserEventEmitter.ReactEventListener.trapCapturedEvent('topScroll', &#
x27;scroll', mountAt);
} else {
ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent('topScroll', 'scroll', ReactBrowserEventEmitter
.ReactEventListener.WINDOW_HANDLE);
}
} else if (dependency === 'topFocus' || dependency === 'topBlur') {
if (isEventSupported('focus', true)) {
ReactBrowserEventEmitter.ReactEventListener.trapCapturedEvent('topFocus', 'focus', mountAt);
...cloneFiber = function (fiber, priorityLevel) {
// We clone to get a work in progress. That means that this fiber is the
// current. To make it safe to reuse that fiber later on as work in progress
// we need to reset its work in progress flag now. We don't have an
// opportunity to do this earlier since we don't traverse the tree when
// the work in progress tree becomes the current tree.
// fiber.progressedPriority = NoWork;
// fiber.progressedChild = 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.
var alt = fiber.alternate;
if (alt) {
// Whenever we clone, we do so to get a new work in progress.
// This ensures that we've reset these in the new tree.
alt.nextEffect = null;
alt.firstEffect = null;
alt.lastEffect = null;
} else {
// This should not have an alternate already
alt = createFiber(fiber.tag, fiber.key);
alt.type = fiber.type;
alt.progressedChild = fiber.progressedChild;
alt.progressedPriority = fiber.progressedPriority;
alt.alternate = fiber;
fiber.alternate = alt;
}
alt.stateNode = fiber.stateNode;
alt.child = fiber.child;
alt.sibling = fiber.sibling; // This should always be overridden. TODO: null
alt.ref = fiber.ref;
// pendingProps is here for symmetry but is unnecessary in practice for now.
// TODO: Pass in the new pendingProps as an argument maybe?
alt.pendingProps = fiber.pendingProps;
alt.updateQueue = fiber.updateQueue;
alt.callbackList = fiber.callbackList;
alt.pendingWorkPriority = priorityLevel;
alt.memoizedProps = fiber.memoizedProps;
alt.output = fiber.output;
return alt;
}n/a
createFiberFromCoroutine = function (coroutine, priorityLevel) {
var fiber = createFiber(CoroutineComponent, coroutine.key);
fiber.type = coroutine.handler;
fiber.pendingProps = coroutine;
fiber.pendingWorkPriority = priorityLevel;
return fiber;
}n/a
createFiberFromElement = function (element, priorityLevel) {
// $FlowFixMe: ReactElement.key is currently defined as ?string but should be defined as null | string in Flow.
var fiber = createFiberFromElementType(element.type, element.key);
fiber.pendingProps = element.props;
fiber.pendingWorkPriority = priorityLevel;
return fiber;
}n/a
function createFiberFromElementType(type, key) {
var fiber = void 0;
if (typeof type === 'function') {
fiber = shouldConstruct(type) ? createFiber(ClassComponent, key) : createFiber(IndeterminateComponent, key);
fiber.type = type;
} else if (typeof type === 'string') {
fiber = createFiber(HostComponent, key);
fiber.type = type;
} else if (typeof type === 'object' && type !== null) {
// Currently assumed to be a continuation and therefore is a fiber already.
fiber = type;
} else {
throw new Error('Unknown component type: ' + typeof type);
}
return fiber;
}n/a
createFiberFromYield = function (yieldNode, priorityLevel) {
var fiber = createFiber(YieldComponent, yieldNode.key);
fiber.pendingProps = {};
return fiber;
}n/a
createHostContainerFiber = function () {
var fiber = createFiber(HostContainer, null);
return fiber;
}n/a
createFiberRoot = function (containerInfo) {
// Cyclic construction. This cheats the type system right now because
// stateNode is any.
var uninitializedFiber = createHostContainerFiber();
var root = {
current: uninitializedFiber,
containerInfo: containerInfo,
isScheduled: false,
nextScheduledRoot: null
};
uninitializedFiber.stateNode = root;
return root;
}n/a
addCallbackToQueue = function (queue, callback) {
if (queue.tail.callback) {
// If the tail already as a callback, add an empty node to queue
exports.addToQueue(queue, null);
}
queue.tail.callback = callback;
return queue;
}n/a
addToQueue = function (queue, partialState) {
var node = {
partialState: partialState,
callback: null,
callbackWasCalled: false,
next: null
};
queue.tail.next = node;
queue.tail = node;
return queue;
}...
queue.tail = node;
return queue;
};
exports.addCallbackToQueue = function (queue, callback) {
if (queue.tail.callback) {
// If the tail already as a callback, add an empty node to queue
exports.addToQueue(queue, null);
}
queue.tail.callback = callback;
return queue;
};
exports.callCallbacks = function (queue, context) {
var node = queue;
...callCallbacks = function (queue, context) {
var node = queue;
while (node) {
if (node.callback && !node.callbackWasCalled) {
node.callbackWasCalled = true;
node.callback.call(context);
}
node = node.next;
}
}n/a
createUpdateQueue = function (partialState) {
var queue = {
partialState: partialState,
callback: null,
callbackWasCalled: false,
next: null,
isReplace: false,
isForced: false,
tail: null
};
queue.tail = queue;
return queue;
}n/a
mergeUpdateQueue = function (queue, prevState, props) {
var node = queue;
var state = queue.isReplace ? null : _assign({}, prevState);
while (node) {
var _partialState = void 0;
if (typeof node.partialState === 'function') {
var updateFn = node.partialState;
_partialState = updateFn(state, props);
} else {
_partialState = node.partialState;
}
state = _assign(state || {}, _partialState);
node = node.next;
}
return state;
}n/a
function createInstanceForText(text) {
return new textComponentClass(text);
}...
if (!instance.getHostNode) {
instance.getHostNode = instance.getNativeNode;
}
} else {
instance = new ReactCompositeComponentWrapper(element);
}
} else if (typeof node === 'string' || typeof node === 'number') {
instance = ReactHostComponent.createInstanceForText(node);
} else {
!false ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Encountered invalid React node of type %s'
;, typeof node) : _prodInvariant('131', typeof node) : void 0;
}
if (process.env.NODE_ENV !== 'production') {
process.env.NODE_ENV !== 'production' ? warning(typeof instance.mountComponent === 'function' &&
typeof instance.receiveComponent === 'function' && typeof instance.getHostNode === 'function' &
;& typeof instance.unmountComponent === 'function', 'Only React Components can be mounted.') : void 0;
}
...function createInternalComponent(element) {
!genericComponentClass ? process.env.NODE_ENV !== 'production' ? invariant(false, 'There is no registered component for the tag
%s', element.type) : _prodInvariant('111', element.type) : void 0;
return new genericComponentClass(element);
}...
}
info += getDeclarationErrorAddendum(element._owner);
!false ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Element type is invalid: expected a string (for
built-in components) or a class/function (for composite components) but got: %s.%s', type == null ? type : typeof type, info
) : _prodInvariant('130', type == null ? type : typeof type, info) : void 0;
}
// Special case string values
if (typeof element.type === 'string') {
instance = ReactHostComponent.createInternalComponent(element);
} else if (isInternalComponentType(element.type)) {
// This is temporarily available for custom components that are not string
// representations. I.e. ART. Once those are updated to use the string
// representation, we can drop this code path.
instance = new element.type(element);
// We renamed this. Allow the old name for compat. :(
...function isTextComponent(component) {
return component instanceof textComponentClass;
}n/a
clearHistory = function () {
if (ReactHostOperationHistoryHook._preventClearing) {
// Should only be used for tests.
return;
}
history = [];
}...
var currentTimerNestedFlushDuration = 0;
var currentTimerType = null;
var lifeCycleTimerHasWarned = false;
function clearHistory() {
ReactComponentTreeHook.purgeUnmountedComponents();
ReactHostOperationHistoryHook.clearHistory();
}
function getTreeSnapshot(registeredIDs) {
return registeredIDs.reduce(function (tree, id) {
var ownerID = ReactComponentTreeHook.getOwnerID(id);
var parentID = ReactComponentTreeHook.getParentID(id);
tree[id] = {
...getHistory = function () {
return history;
}...
return tree;
}, {});
}
function resetMeasurements() {
var previousStartTime = currentFlushStartTime;
var previousMeasurements = currentFlushMeasurements;
var previousOperations = ReactHostOperationHistoryHook.getHistory();
if (currentFlushNesting === 0) {
currentFlushStartTime = 0;
currentFlushMeasurements = [];
clearHistory();
return;
}
...onHostOperation = function (operation) {
history.push(operation);
}...
*
* @param {DOMElement} node
* @param {object} styles
* @param {ReactDOMComponent} component
*/
setValueForStyles: function (node, styles, component) {
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onHostOperation({
instanceID: component._debugID,
type: 'update styles',
payload: styles
});
}
var style = node.style;
...getSelection = function (input) {
var selection;
if ('selectionStart' in input) {
// Modern browser with input or textarea.
selection = {
start: input.selectionStart,
end: input.selectionEnd
};
} else if (document.selection && input.nodeName && input.nodeName.toLowerCase() === 'input') {
// IE8 input.
var range = document.selection.createRange();
// There can only be one selection per document in IE, so it must
// be in our element.
if (range.parentElement() === input) {
selection = {
start: -range.moveStart('character', -input.value.length),
end: -range.moveEnd('character', -input.value.length)
};
}
} else {
// Content editable or old IE textarea.
selection = ReactDOMSelection.getOffsets(input);
}
return selection || { start: 0, end: 0 };
}...
}
/**
* @param {DOMElement} node
* @return {?object}
*/
function getModernOffsets(node) {
var selection = window.getSelection && window.getSelection();
if (!selection || selection.rangeCount === 0) {
return null;
}
var anchorNode = selection.anchorNode;
var anchorOffset = selection.anchorOffset;
...getSelectionInformation = function () {
var focusedElem = getActiveElement();
return {
focusedElem: focusedElem,
selectionRange: ReactInputSelection.hasSelectionCapabilities(focusedElem) ? ReactInputSelection.getSelection(focusedElem) :
null
};
}n/a
hasSelectionCapabilities = function (elem) {
var nodeName = elem && elem.nodeName && elem.nodeName.toLowerCase();
return nodeName && (nodeName === 'input' && elem.type === 'text' || nodeName === 'textarea' || elem.contentEditable === 'true');
}...
return nodeName && (nodeName === 'input' && elem.type === 'text' || nodeName === '
;textarea' || elem.contentEditable === 'true');
},
getSelectionInformation: function () {
var focusedElem = getActiveElement();
return {
focusedElem: focusedElem,
selectionRange: ReactInputSelection.hasSelectionCapabilities(focusedElem) ? ReactInputSelection
.getSelection(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.
...restoreSelection = function (priorSelectionInformation) {
var curFocusedElem = getActiveElement();
var priorFocusedElem = priorSelectionInformation.focusedElem;
var priorSelectionRange = priorSelectionInformation.selectionRange;
if (curFocusedElem !== priorFocusedElem && isInDocument(priorFocusedElem)) {
if (ReactInputSelection.hasSelectionCapabilities(priorFocusedElem)) {
ReactInputSelection.setSelection(priorFocusedElem, priorSelectionRange);
}
focusNode(priorFocusedElem);
}
}n/a
setSelection = function (input, offsets) {
var start = offsets.start;
var end = offsets.end;
if (end === undefined) {
end = start;
}
if ('selectionStart' in input) {
input.selectionStart = start;
input.selectionEnd = Math.min(end, input.value.length);
} else if (document.selection && input.nodeName && input.nodeName.toLowerCase() === 'input') {
var range = input.createTextRange();
range.collapse(true);
range.moveStart('character', start);
range.moveEnd('character', end - start);
range.select();
} else {
ReactDOMSelection.setOffsets(input, offsets);
}
}...
*/
restoreSelection: function (priorSelectionInformation) {
var curFocusedElem = getActiveElement();
var priorFocusedElem = priorSelectionInformation.focusedElem;
var priorSelectionRange = priorSelectionInformation.selectionRange;
if (curFocusedElem !== priorFocusedElem && isInDocument(priorFocusedElem)) {
if (ReactInputSelection.hasSelectionCapabilities(priorFocusedElem)) {
ReactInputSelection.setSelection(priorFocusedElem, priorSelectionRange);
}
focusNode(priorFocusedElem);
}
},
/**
* @getSelection: Gets the selection bounds of a focused textarea, input or
...get = function (key) {
return key._reactInternalInstance;
}...
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') {
...has = function (key) {
return key._reactInternalInstance !== undefined;
}...
* @param {ReactComponent} parentComponent The conceptual parent of this render tree.
* @param {ReactElement} nextElement Component element to render.
* @param {DOMElement} container DOM element to render into.
* @param {?function} callback function triggered on completion
* @return {ReactComponent} Component instance rendered in `container`.
*/
renderSubtreeIntoContainer: function (parentComponent, nextElement, container, callback) {
!(parentComponent != null && ReactInstanceMap.has(parentComponent)) ? process
.env.NODE_ENV !== 'production' ? invariant(false, 'parentComponent must be a valid React Component') : _prodInvariant
('38') : void 0;
return ReactMount._renderSubtreeIntoContainer(parentComponent, nextElement, container, callback);
},
_renderSubtreeIntoContainer: function (parentComponent, nextElement, container, callback) {
ReactUpdateQueue.validateCallback(callback, 'ReactDOM.render');
!React.isValidElement(nextElement) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'ReactDOM.render():
Invalid component element.%s', typeof nextElement === 'string' ? ' Instead of passing a string like\'div\', pass ' + 'React.createElement(\'div\') or <div />.' : typeof nextElement === 'function' ? ' Instead of passing a class like Foo, pass ' + 'React.createElement(Foo) or <Foo />.' :
// Check if it quacks like an element
...remove = function (key) {
key._reactInternalInstance = undefined;
}...
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;
},
...set = function (key, value) {
key._reactInternalInstance = value;
}...
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, &#
x27;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;
...onBeginProcessingChildContext = function () {
processingChildContext = true;
}...
_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();
...onEndProcessingChildContext = function () {
processingChildContext = false;
}...
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) {
...onSetState = function () {
warnInvalidSetState();
}...
*
* @param {ReactClass} publicInstance The instance that should rerender.
* @param {object} partialState Next partial state to be merged with state.
* @internal
*/
enqueueSetState: function (publicInstance, partialState) {
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onSetState();
process.env.NODE_ENV !== 'production' ? warning(partialState != null, 'setState(...): You passed an undefined or
null state object; ' + 'instead, use forceUpdate().') : void 0;
}
var internalInstance = getInternalInstanceReadyForUpdate(publicInstance, 'setState');
if (!internalInstance) {
return;
...addChecksumToMarkup = function (markup) {
var checksum = adler32(markup);
// Add checksum (handle both parent tags, comments and self-closing tags)
if (COMMENT_START.test(markup)) {
return markup;
} else {
return markup.replace(TAG_END, ' ' + ReactMarkupChecksum.CHECKSUM_ATTR_NAME + '="' + checksum + '"$&');
}
}...
var componentInstance = instantiateReactComponent(element, true);
var markup = ReactReconciler.mountComponent(componentInstance, transaction, null, ReactDOMContainerInfo(), emptyObject, 0 /*
parentDebugID */
);
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onUnmountComponent(componentInstance._debugID);
}
if (!makeStaticMarkup) {
markup = ReactMarkupChecksum.addChecksumToMarkup(markup);
}
return markup;
}, null);
} finally {
pendingTransactions--;
ReactServerRenderingTransaction.release(transaction);
// Revert to the DOM batching strategy since these two renderers
...canReuseMarkup = function (markup, element) {
var existingChecksum = element.getAttribute(ReactMarkupChecksum.CHECKSUM_ATTR_NAME);
existingChecksum = existingChecksum && parseInt(existingChecksum, 10);
var markupChecksum = adler32(markup);
return markupChecksum === existingChecksum;
}...
},
_mountImageIntoNode: function (markup, container, instance, shouldReuseMarkup, transaction) {
!isValidContainer(container) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'mountComponentIntoNode
(...): Target container is not valid.') : _prodInvariant('41') : void 0;
if (shouldReuseMarkup) {
var rootElement = getReactRootElementInContainer(container);
if (ReactMarkupChecksum.canReuseMarkup(markup, rootElement)) {
ReactDOMComponentTree.precacheNode(instance, rootElement);
return;
} else {
var checksum = rootElement.getAttribute(ReactMarkupChecksum.CHECKSUM_ATTR_NAME);
rootElement.removeAttribute(ReactMarkupChecksum.CHECKSUM_ATTR_NAME);
var rootMarkup = rootElement.outerHTML;
...TopLevelWrapper = function () {
this.rootID = topLevelRootCounter++;
}n/a
_mountImageIntoNode = function (markup, container, instance, shouldReuseMarkup, transaction) {
!isValidContainer(container) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'mountComponentIntoNode(...): Target container
is not valid.') : _prodInvariant('41') : void 0;
if (shouldReuseMarkup) {
var rootElement = getReactRootElementInContainer(container);
if (ReactMarkupChecksum.canReuseMarkup(markup, rootElement)) {
ReactDOMComponentTree.precacheNode(instance, rootElement);
return;
} else {
var checksum = rootElement.getAttribute(ReactMarkupChecksum.CHECKSUM_ATTR_NAME);
rootElement.removeAttribute(ReactMarkupChecksum.CHECKSUM_ATTR_NAME);
var rootMarkup = rootElement.outerHTML;
rootElement.setAttribute(ReactMarkupChecksum.CHECKSUM_ATTR_NAME, checksum);
var normalizedMarkup = markup;
if (process.env.NODE_ENV !== 'production') {
// because rootMarkup is retrieved from the DOM, various normalizations
// will have occurred which will not be present in `markup`. Here,
// insert markup into a <div> or <iframe> depending on the container
// type to perform the same normalizations before comparing.
var normalizer;
if (container.nodeType === ELEMENT_NODE_TYPE) {
normalizer = document.createElement('div');
normalizer.innerHTML = markup;
normalizedMarkup = normalizer.innerHTML;
} else {
normalizer = document.createElement('iframe');
document.body.appendChild(normalizer);
normalizer.contentDocument.write(markup);
normalizedMarkup = normalizer.contentDocument.documentElement.outerHTML;
document.body.removeChild(normalizer);
}
}
var diffIndex = firstDifferenceIndex(normalizedMarkup, rootMarkup);
var difference = ' (client) ' + normalizedMarkup.substring(diffIndex - 20, diffIndex + 20) + '\n (server) ' + rootMarkup.substring
(diffIndex - 20, diffIndex + 20);
!(container.nodeType !== DOC_NODE_TYPE) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'You\'re trying to render
a component to the document using server rendering but the checksum was invalid. This usually means you rendered a different component
type or props on the client from the one on the server, or your render() methods are impure. React cannot handle this case due
to cross-browser quirks by rendering at the document root. You should look for environment dependent code in your components and
ensure the props are the same client and server side:\n%s', difference) : _prodInvariant('42', difference) : void 0;
if (process.env.NODE_ENV !== 'production') {
process.env.NODE_ENV !== 'production' ? warning(false, 'React attempted to reuse markup in a container but the ' + 'checksum
was invalid. This generally means that you are ' + 'using server rendering and the markup generated on the ' + 'server was not
what the client was expecting. React injected ' + 'new markup to compensate which works but you have lost many ' + 'of the benefits
of server rendering. Instead, figure out ' + 'why the markup being generated is different on the client ' + 'or server:\n%s', difference) : void 0;
}
}
}
!(container.nodeType !== DOC_NODE_TYPE) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'You\'re trying to render a
component to the document but you didn\'t use server rendering. We can\'t do this without using server rendering due to cross-browser quirks. See ReactDOMServer.renderToString() for server rendering.') : _prodInvariant('43') : void 0;
if (transaction.useCreateElement) {
while (container.lastChild) {
container.removeChild(container.lastChild);
}
DOMLazyTree.insertTreeBefore(container, markup, null);
} else {
setInnerHTML(container, markup);
ReactDOMComponentTree.precacheNode(instance, container.firstChild);
}
if (process.env.NODE_ENV !== 'production') {
var hostNode = ReactDOMComponentTree.getInstanceFromNode(container.firstChild);
if (hostNode._debugID !== 0) { ......
);
if (markerName) {
console.timeEnd(markerName);
}
wrapperInstance._renderedComponent._topLevelWrapper = wrapperInstance;
ReactMount._mountImageIntoNode(markup, container, wrapperInstance, shouldReuseMarkup
, transaction);
}
/**
* Batched mount.
*
* @param {ReactComponent} componentInstance The instance to mount.
* @param {DOMElement} container DOM element to mount into.
..._renderNewRootComponent = function (nextElement, container, shouldReuseMarkup, context) {
// Various parts of our code (such as ReactCompositeComponent's
// _renderValidatedComponent) assume that calls to render aren't nested;
// verify that that's the case.
process.env.NODE_ENV !== 'production' ? warning(ReactCurrentOwner.current == null, '_renderNewRootComponent(): Render methods
should be a pure function ' + 'of props and state; triggering nested component updates from ' + 'render is not allowed. If necessary
, trigger nested updates in ' + 'componentDidUpdate. Check the render method of %s.', ReactCurrentOwner.current && ReactCurrentOwner
.current.getName() || 'ReactCompositeComponent') : void 0;
!isValidContainer(container) ? process.env.NODE_ENV !== 'production' ? invariant(false, '_registerComponent(...): Target container
is not a DOM element.') : _prodInvariant('37') : void 0;
ReactBrowserEventEmitter.ensureScrollValueMonitoring();
var componentInstance = instantiateReactComponent(nextElement, false);
// The initial render is synchronous but any updates that happen during
// rendering, in componentWillMount or componentDidMount, will be batched
// according to the current batching strategy.
ReactUpdates.batchedUpdates(batchedMountComponentIntoNode, componentInstance, container, shouldReuseMarkup, context);
var wrapperID = componentInstance._instance.rootID;
instancesByReactRootID[wrapperID] = componentInstance;
return componentInstance;
}...
}
rootElementSibling = rootElementSibling.nextSibling;
}
}
}
var shouldReuseMarkup = containerHasReactMarkup && !prevComponent && !containerHasNonRootReactChild;
var component = ReactMount._renderNewRootComponent(nextWrappedElement, container, shouldReuseMarkup
, nextContext)._renderedComponent.getPublicInstance();
if (callback) {
callback.call(component);
}
return component;
},
/**
..._renderSubtreeIntoContainer = function (parentComponent, nextElement, container, callback) {
ReactUpdateQueue.validateCallback(callback, 'ReactDOM.render');
!React.isValidElement(nextElement) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'ReactDOM.render(): Invalid component
element.%s', typeof nextElement === 'string' ? ' Instead of passing a string like\'div\', pass ' + 'React.createElement(\'div\') or <div />.' : typeof nextElement === 'function' ? ' Instead of passing a class like Foo, pass ' + 'React.createElement(Foo) or <Foo />.' :
// Check if it quacks like an element
nextElement != null && nextElement.props !== undefined ? ' This may be caused by unintentionally loading two independent ' + '
copies of React.' : '') : _prodInvariant('39', typeof nextElement === 'string' ? ' Instead of passing a string like\'div\', pass ' + 'React.createElement(\'div\') or <div />.' : typeof nextElement === 'function' ? ' Instead of passing a class like Foo, pass ' + 'React.createElement(Foo) or <Foo />.' : nextElement != null && nextElement.props !== undefined ? ' This may be caused by unintentionally loading two independent ' + 'copies of React.' : '') : void 0;
process.env.NODE_ENV !== 'production' ? warning(!container || !container.tagName || container.tagName.toUpperCase() !== 'BODY', '
render(): Rendering components directly into document.body is ' + 'discouraged, since its children are often manipulated by third
-party ' + 'scripts and browser extensions. This may lead to subtle ' + 'reconciliation issues. Try rendering into a container element
created ' + 'for your app.') : void 0;
var nextWrappedElement = React.createElement(TopLevelWrapper, { child: nextElement });
var nextContext;
if (parentComponent) {
var parentInst = ReactInstanceMap.get(parentComponent);
nextContext = parentInst._processChildContext(parentInst._context);
} else {
nextContext = emptyObject;
}
var prevComponent = getTopLevelWrapperInContainer(container);
if (prevComponent) {
var prevWrappedElement = prevComponent._currentElement;
var prevElement = prevWrappedElement.props.child;
if (shouldUpdateReactComponent(prevElement, nextElement)) {
var publicInst = prevComponent._renderedComponent.getPublicInstance();
var updatedCallback = callback && function () {
callback.call(publicInst);
};
ReactMount._updateRootComponent(prevComponent, nextWrappedElement, nextContext, container, updatedCallback);
return publicInst;
} else {
ReactMount.unmountComponentAtNode(container);
}
}
var reactRootElement = getReactRootElementInContainer(container);
var containerHasReactMarkup = reactRootElement && !!internalGetID(reactRootElement);
var containerHasNonRootReactChild = hasNonRootReactChild(container);
if (process.env.NODE_ENV !== 'production') {
process.env.NODE_ENV !== 'production' ? warning(!containerHasNonRootReactChild, 'render(...): Replacing React-rendered children
with a new root ' + 'component. If you intended to update the children of this node, ' + 'you should instead have the existing
children update their state ' + 'and render the new components instead of calling ReactDOM.render.') : void 0;
if (!containerHasReactMarkup || reactRootElement.nextSibling) {
var rootElementSibling = reactRootElement;
while (rootElementSibling) {
if (internalGetID(rootElementSibling)) {
process.env.NODE_ENV !== 'production' ? warning(false, 'render(): Target node has markup rendered by React, but there ' + '
are unrelated nodes as well. This is most commonly caused by ' + 'white-space inserted around server-rendered markup.') : void 0
;
break;
}
rootElementSibling = rootElementSibling.nextSibling;
}
}
}
var shouldReuseMarkup = containerHasReactMarkup && !prevComponent && !containerHasNonRootReactChild;
var component = ReactMount._renderNewRootComponent(nextWrappedElement, container, shouldReuseMarkup, nextContext)._renderedComponent
.getPublicInstance();
if (callback) {
callback.call(compon ......
* @param {ReactElement} nextElement Component element to render.
* @param {DOMElement} container DOM element to render into.
* @param {?function} callback function triggered on completion
* @return {ReactComponent} Component instance rendered in `container`.
*/
renderSubtreeIntoContainer: function (parentComponent, nextElement, container, callback) {
!(parentComponent != null && ReactInstanceMap.has(parentComponent)) ? process.env.NODE_ENV !== 'production'
; ? invariant(false, 'parentComponent must be a valid React Component') : _prodInvariant('38') : void 0;
return ReactMount._renderSubtreeIntoContainer(parentComponent, nextElement, container
, callback);
},
_renderSubtreeIntoContainer: function (parentComponent, nextElement, container, callback) {
ReactUpdateQueue.validateCallback(callback, 'ReactDOM.render');
!React.isValidElement(nextElement) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'ReactDOM.render():
Invalid component element.%s', typeof nextElement === 'string' ? ' Instead of passing a string like\'div\', pass ' + 'React.createElement(\'div\') or <div />.' : typeof nextElement === 'function' ? ' Instead of passing a class like Foo, pass ' + 'React.createElement(Foo) or <Foo />.' :
// Check if it quacks like an element
nextElement != null && nextElement.props !== undefined ? ' This may be caused by unintentionally loading two independent
' + 'copies of React.' : '') : _prodInvariant('39', typeof nextElement === 'string'
; ? ' Instead of passing a string like\'div\', pass ' + 'React.createElement(\'div\') or <div />.' : typeof nextElement === 'function' ? ' Instead of passing a class like Foo, pass ' + 'React.createElement(Foo) or <Foo />.' : nextElement != null && nextElement.props !== undefined ? ' This may be caused by unintentionally loading two independent ' + 'copies of React.' : '') : void 0;
..._updateRootComponent = function (prevComponent, nextElement, nextContext, container, callback) {
ReactMount.scrollMonitor(container, function () {
ReactUpdateQueue.enqueueElementInternal(prevComponent, nextElement, nextContext);
if (callback) {
ReactUpdateQueue.enqueueCallbackInternal(prevComponent, callback);
}
});
return prevComponent;
}...
var prevWrappedElement = prevComponent._currentElement;
var prevElement = prevWrappedElement.props.child;
if (shouldUpdateReactComponent(prevElement, nextElement)) {
var publicInst = prevComponent._renderedComponent.getPublicInstance();
var updatedCallback = callback && function () {
callback.call(publicInst);
};
ReactMount._updateRootComponent(prevComponent, nextWrappedElement, nextContext, container
, updatedCallback);
return publicInst;
} else {
ReactMount.unmountComponentAtNode(container);
}
}
var reactRootElement = getReactRootElementInContainer(container);
...render = function (nextElement, container, callback) {
return ReactMount._renderSubtreeIntoContainer(null, nextElement, container, callback);
}...
class MyComponent extends React.Component {
render() {
return <div>Hello World</div>;
}
}
ReactDOM.render(<MyComponent />, node);
```
### On the server
```js
var React = require('react');
var ReactDOMServer = require('react-dom/server');
...renderSubtreeIntoContainer = function (parentComponent, nextElement, container, callback) {
!(parentComponent != null && ReactInstanceMap.has(parentComponent)) ? process.env.NODE_ENV !== 'production' ? invariant(false, '
parentComponent must be a valid React Component') : _prodInvariant('38') : void 0;
return ReactMount._renderSubtreeIntoContainer(parentComponent, nextElement, container, callback);
}n/a
scrollMonitor = function (container, renderCallback) {
renderCallback();
}...
* Take a component that's already mounted into the DOM and replace its props
* @param {ReactComponent} prevComponent component instance already in the DOM
* @param {ReactElement} nextElement component instance to render
* @param {DOMElement} container container to render into
* @param {?function} callback function triggered on completion
*/
_updateRootComponent: function (prevComponent, nextElement, nextContext, container, callback) {
ReactMount.scrollMonitor(container, function () {
ReactUpdateQueue.enqueueElementInternal(prevComponent, nextElement, nextContext);
if (callback) {
ReactUpdateQueue.enqueueCallbackInternal(prevComponent, callback);
}
});
return prevComponent;
...unmountComponentAtNode = function (container) {
// Various parts of our code (such as ReactCompositeComponent's
// _renderValidatedComponent) assume that calls to render aren't nested;
// verify that that's the case. (Strictly speaking, unmounting won't cause a
// render but we still don't expect to be in a render call here.)
process.env.NODE_ENV !== 'production' ? warning(ReactCurrentOwner.current == null, 'unmountComponentAtNode(): Render methods should
be a pure function ' + 'of props and state; triggering nested component updates from render ' + 'is not allowed. If necessary,
trigger nested updates in ' + 'componentDidUpdate. Check the render method of %s.', ReactCurrentOwner.current && ReactCurrentOwner
.current.getName() || 'ReactCompositeComponent') : void 0;
!isValidContainer(container) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'unmountComponentAtNode(...): Target container
is not a DOM element.') : _prodInvariant('40') : void 0;
if (process.env.NODE_ENV !== 'production') {
process.env.NODE_ENV !== 'production' ? warning(!nodeIsRenderedByOtherInstance(container), 'unmountComponentAtNode(): The node
you\'re attempting to unmount ' + 'was rendered by another copy of React.') : void 0;
}
var prevComponent = getTopLevelWrapperInContainer(container);
if (!prevComponent) {
// Check if the node being unmounted was rendered by React, but isn't a
// root node.
var containerHasNonRootReactChild = hasNonRootReactChild(container);
// Check if the container itself is a React root node.
var isContainerReactRoot = container.nodeType === 1 && container.hasAttribute(ROOT_ATTR_NAME);
if (process.env.NODE_ENV !== 'production') {
process.env.NODE_ENV !== 'production' ? warning(!containerHasNonRootReactChild, 'unmountComponentAtNode(): The node you\'re
attempting to unmount ' + 'was rendered by React and is not a top-level container. %s', isContainerReactRoot ? 'You may have accidentally
passed in a React root node instead ' + 'of its container.' : 'Instead, have the parent component update its state and ' + 'rerender
in order to remove this component.') : void 0;
}
return false;
}
delete instancesByReactRootID[prevComponent._instance.rootID];
ReactUpdates.batchedUpdates(unmountComponentFromNode, prevComponent, container, false);
return true;
}...
var publicInst = prevComponent._renderedComponent.getPublicInstance();
var updatedCallback = callback && function () {
callback.call(publicInst);
};
ReactMount._updateRootComponent(prevComponent, nextWrappedElement, nextContext, container, updatedCallback);
return publicInst;
} else {
ReactMount.unmountComponentAtNode(container);
}
}
var reactRootElement = getReactRootElementInContainer(container);
var containerHasReactMarkup = reactRootElement && !!internalGetID(reactRootElement);
var containerHasNonRootReactChild = hasNonRootReactChild(container);
...getType = function (node) {
if (node === null || node === false) {
return ReactNodeTypes.EMPTY;
} else if (React.isValidElement(node)) {
if (typeof node.type === 'function') {
return ReactNodeTypes.COMPOSITE;
} else {
return ReactNodeTypes.HOST;
}
}
!false ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Unexpected node: %s', node) : _prodInvariant('26', node) :
void 0;
}...
}
// 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);
...addComponentAsRefTo = function (component, ref, owner) {
!isValidOwner(owner) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'addComponentAsRefTo(...): Only a ReactOwner can
have refs. You might be adding a ref to a component that was not created inside a component\'s `render` method, or you have multiple copies of React loaded (details: https://fb.me/react-refs-must-have-owner).') : _prodInvariant('119') : void 0;
owner.attachRef(ref, component);
}...
var ReactRef = {};
function attachRef(ref, component, owner) {
if (typeof ref === 'function') {
ref(component.getPublicInstance());
} else {
// Legacy ref
ReactOwner.addComponentAsRefTo(component, ref, owner);
}
}
function detachRef(ref, component, owner) {
if (typeof ref === 'function') {
ref(null);
} else {
...removeComponentAsRefFrom = function (component, ref, owner) {
!isValidOwner(owner) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'removeComponentAsRefFrom(...): Only a ReactOwner
can have refs. You might be removing a ref to a component that was not created inside a component\'s `render` method, or you have multiple copies of React loaded (details: https://fb.me/react-refs-must-have-owner).') : _prodInvariant('120') : void 0;
var ownerPublicInstance = owner.getPublicInstance();
// Check that `component`'s owner is still alive and that `component` is still the current ref
// because we do not want to detach the ref if another component stole it.
if (ownerPublicInstance && ownerPublicInstance.refs[ref] === component.getPublicInstance()) {
owner.detachRef(ref);
}
}...
}
function detachRef(ref, component, owner) {
if (typeof ref === 'function') {
ref(null);
} else {
// Legacy ref
ReactOwner.removeComponentAsRefFrom(component, ref, owner);
}
}
ReactRef.attachRefs = function (instance, element) {
if (element === null || typeof element !== 'object') {
return;
}
...function getExclusive() {
var flushHistory = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getLastMeasurements();
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
return [];
}
var aggregatedStats = {};
var affectedIDs = {};
function updateAggregatedStats(treeSnapshot, instanceID, timerType, applyUpdate) {
var displayName = treeSnapshot[instanceID].displayName;
var key = displayName;
var stats = aggregatedStats[key];
if (!stats) {
affectedIDs[key] = {};
stats = aggregatedStats[key] = {
key: key,
instanceCount: 0,
counts: {},
durations: {},
totalDuration: 0
};
}
if (!stats.durations[timerType]) {
stats.durations[timerType] = 0;
}
if (!stats.counts[timerType]) {
stats.counts[timerType] = 0;
}
affectedIDs[key][instanceID] = true;
applyUpdate(stats);
}
flushHistory.forEach(function (flush) {
var measurements = flush.measurements,
treeSnapshot = flush.treeSnapshot;
measurements.forEach(function (measurement) {
var duration = measurement.duration,
instanceID = measurement.instanceID,
timerType = measurement.timerType;
updateAggregatedStats(treeSnapshot, instanceID, timerType, function (stats) {
stats.totalDuration += duration;
stats.durations[timerType] += duration;
stats.counts[timerType]++;
});
});
});
return Object.keys(aggregatedStats).map(function (key) {
return _extends({}, aggregatedStats[key], {
instanceCount: Object.keys(affectedIDs[key]).length
});
}).sort(function (a, b) {
return b.totalDuration - a.totalDuration;
});
}n/a
function getInclusive() {
var flushHistory = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getLastMeasurements();
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
return [];
}
var aggregatedStats = {};
var affectedIDs = {};
function updateAggregatedStats(treeSnapshot, instanceID, applyUpdate) {
var _treeSnapshot$instanc = treeSnapshot[instanceID],
displayName = _treeSnapshot$instanc.displayName,
ownerID = _treeSnapshot$instanc.ownerID;
var owner = treeSnapshot[ownerID];
var key = (owner ? owner.displayName + ' > ' : '') + displayName;
var stats = aggregatedStats[key];
if (!stats) {
affectedIDs[key] = {};
stats = aggregatedStats[key] = {
key: key,
instanceCount: 0,
inclusiveRenderDuration: 0,
renderCount: 0
};
}
affectedIDs[key][instanceID] = true;
applyUpdate(stats);
}
var isCompositeByID = {};
flushHistory.forEach(function (flush) {
var measurements = flush.measurements;
measurements.forEach(function (measurement) {
var instanceID = measurement.instanceID,
timerType = measurement.timerType;
if (timerType !== 'render') {
return;
}
isCompositeByID[instanceID] = true;
});
});
flushHistory.forEach(function (flush) {
var measurements = flush.measurements,
treeSnapshot = flush.treeSnapshot;
measurements.forEach(function (measurement) {
var duration = measurement.duration,
instanceID = measurement.instanceID,
timerType = measurement.timerType;
if (timerType !== 'render') {
return;
}
updateAggregatedStats(treeSnapshot, instanceID, function (stats) {
stats.renderCount++;
});
var nextParentID = instanceID;
while (nextParentID) {
// As we traverse parents, only count inclusive time towards composites.
// We know something is a composite if its render() was called.
if (isCompositeByID[nextParentID]) {
updateAggregatedStats(treeSnapshot, nextParentID, function (stats) {
stats.inclusiveRenderDuration += duration;
});
}
nextParentID = treeSnapshot[nextParentID].parentID;
}
});
});
return Object.keys(aggregatedStats).map(function (key) {
return _extends({}, aggregatedStats[key], {
instanceCount: Object.keys(affectedIDs[key]).length
});
}).sort(function (a, b) {
return b.inclusiveRenderDuration - a.inclusiveRenderDuration;
});
}n/a
function getLastMeasurements() {
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
return [];
}
return ReactDebugTool.getFlushHistory();
}n/a
function getMeasurementsSummaryMap(measurements) {
process.env.NODE_ENV !== 'production' ? warning(warnedAboutGetMeasurementsSummaryMap, '`ReactPerf.getMeasurementsSummaryMap(...)`
is deprecated. Use ' + '`ReactPerf.getWasted(...)` instead.') : void 0;
warnedAboutGetMeasurementsSummaryMap = true;
return getWasted(measurements);
}...
process.env.NODE_ENV !== 'production' ? warning(warnedAboutPrintDOM, '`ReactPerf.printDOM(...)` is deprecated. Use
' + '`ReactPerf.printOperations(...)` instead.') : void 0;
warnedAboutPrintDOM = true;
return printOperations(measurements);
}
var warnedAboutGetMeasurementsSummaryMap = false;
function getMeasurementsSummaryMap(measurements) {
process.env.NODE_ENV !== 'production' ? warning(warnedAboutGetMeasurementsSummaryMap, '`ReactPerf.getMeasurementsSummaryMap(...)` is deprecated. Use ' + '`ReactPerf.getWasted(...)` instead.') : void 0;
warnedAboutGetMeasurementsSummaryMap = true;
return getWasted(measurements);
}
function start() {
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
...function getOperations() {
var flushHistory = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getLastMeasurements();
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
return [];
}
var stats = [];
flushHistory.forEach(function (flush, flushIndex) {
var operations = flush.operations,
treeSnapshot = flush.treeSnapshot;
operations.forEach(function (operation) {
var instanceID = operation.instanceID,
type = operation.type,
payload = operation.payload;
var _treeSnapshot$instanc3 = treeSnapshot[instanceID],
displayName = _treeSnapshot$instanc3.displayName,
ownerID = _treeSnapshot$instanc3.ownerID;
var owner = treeSnapshot[ownerID];
var key = (owner ? owner.displayName + ' > ' : '') + displayName;
stats.push({
flushIndex: flushIndex,
instanceID: instanceID,
key: key,
type: type,
ownerID: ownerID,
payload: payload
});
});
});
return stats;
}n/a
function getWasted() {
var flushHistory = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : getLastMeasurements();
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
return [];
}
var aggregatedStats = {};
var affectedIDs = {};
function updateAggregatedStats(treeSnapshot, instanceID, applyUpdate) {
var _treeSnapshot$instanc2 = treeSnapshot[instanceID],
displayName = _treeSnapshot$instanc2.displayName,
ownerID = _treeSnapshot$instanc2.ownerID;
var owner = treeSnapshot[ownerID];
var key = (owner ? owner.displayName + ' > ' : '') + displayName;
var stats = aggregatedStats[key];
if (!stats) {
affectedIDs[key] = {};
stats = aggregatedStats[key] = {
key: key,
instanceCount: 0,
inclusiveRenderDuration: 0,
renderCount: 0
};
}
affectedIDs[key][instanceID] = true;
applyUpdate(stats);
}
flushHistory.forEach(function (flush) {
var measurements = flush.measurements,
treeSnapshot = flush.treeSnapshot,
operations = flush.operations;
var isDefinitelyNotWastedByID = {};
// Find host components associated with an operation in this batch.
// Mark all components in their parent tree as definitely not wasted.
operations.forEach(function (operation) {
var instanceID = operation.instanceID;
var nextParentID = instanceID;
while (nextParentID) {
isDefinitelyNotWastedByID[nextParentID] = true;
nextParentID = treeSnapshot[nextParentID].parentID;
}
});
// Find composite components that rendered in this batch.
// These are potential candidates for being wasted renders.
var renderedCompositeIDs = {};
measurements.forEach(function (measurement) {
var instanceID = measurement.instanceID,
timerType = measurement.timerType;
if (timerType !== 'render') {
return;
}
renderedCompositeIDs[instanceID] = true;
});
measurements.forEach(function (measurement) {
var duration = measurement.duration,
instanceID = measurement.instanceID,
timerType = measurement.timerType;
if (timerType !== 'render') {
return;
}
// If there was a DOM update below this component, or it has just been
// mounted, its render() is not considered wasted.
var updateCount = treeSnapshot[instanceID].updateCount;
if (isDefinitelyNotWastedByID[instanceID] || updateCount === 0) {
return;
}
// We consider this render() wasted.
updateAggregatedStats(treeSnapshot, instanceID, function (stats) {
stats.renderCount++;
});
var nextParentID = instanceID;
while (nextParentID) {
// Any parents rendered during this batch are considered wasted
// unless we previously marked them as dirty.
var isWasted = renderedCompositeIDs[nextParentID] && !isDefinitelyNotWastedByID[nextParentID];
if (isWasted) {
updateAggregatedStats(treeSnapshot, nextParentID, function (stats) {
stats.inclusiveRenderDuration += duration;
});
}
nextParentID = treeSnapshot[nextParentID].parentID;
}
});
});
return Object.keys(aggregatedStats).map(function (key) {
return _extends({}, aggregatedStats[key], {
instanceCount: Object.keys(affectedIDs[key]).length
});
}).sort(function (a, b) {
return b.inclusiveRenderDuration - a.inclusiveRenderDuration;
});
}...
process.env.NODE_ENV !== 'production' ? warning(warnedAboutPrintDOM, '`ReactPerf.printDOM(...)` is deprecated. Use
' + '`ReactPerf.printOperations(...)` instead.') : void 0;
warnedAboutPrintDOM = true;
return printOperations(measurements);
}
var warnedAboutGetMeasurementsSummaryMap = false;
function getMeasurementsSummaryMap(measurements) {
process.env.NODE_ENV !== 'production' ? warning(warnedAboutGetMeasurementsSummaryMap, '`ReactPerf.getMeasurementsSummaryMap
(...)` is deprecated. Use ' + '`ReactPerf.getWasted(...)` instead.') :
void 0;
warnedAboutGetMeasurementsSummaryMap = true;
return getWasted(measurements);
}
function start() {
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
...function isRunning() {
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
return false;
}
return ReactDebugTool.isProfiling();
}n/a
function printDOM(measurements) {
process.env.NODE_ENV !== 'production' ? warning(warnedAboutPrintDOM, '`ReactPerf.printDOM(...)` is deprecated. Use ' + '`ReactPerf
.printOperations(...)` instead.') : void 0;
warnedAboutPrintDOM = true;
return printOperations(measurements);
}...
};
});
consoleTable(table);
}
var warnedAboutPrintDOM = false;
function printDOM(measurements) {
process.env.NODE_ENV !== 'production' ? warning(warnedAboutPrintDOM, '`ReactPerf.printDOM(...)` is deprecated. Use ' + '`ReactPerf.printOperations(...)` instead.') : void 0;
warnedAboutPrintDOM = true;
return printOperations(measurements);
}
var warnedAboutGetMeasurementsSummaryMap = false;
function getMeasurementsSummaryMap(measurements) {
process.env.NODE_ENV !== 'production' ? warning(warnedAboutGetMeasurementsSummaryMap, '`ReactPerf.getMeasurementsSummaryMap
(...)` is deprecated. Use ' + '`ReactPerf.getWasted(...)` instead.') : void 0;
...function printExclusive(flushHistory) {
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
return;
}
var stats = getExclusive(flushHistory);
var table = stats.map(function (item) {
var key = item.key,
instanceCount = item.instanceCount,
totalDuration = item.totalDuration;
var renderCount = item.counts.render || 0;
var renderDuration = item.durations.render || 0;
return {
'Component': key,
'Total time (ms)': roundFloat(totalDuration),
'Instance count': instanceCount,
'Total render time (ms)': roundFloat(renderDuration),
'Average render time (ms)': renderCount ? roundFloat(renderDuration / renderCount) : undefined,
'Render count': renderCount,
'Total lifecycle time (ms)': roundFloat(totalDuration - renderDuration)
};
});
consoleTable(table);
}n/a
function printInclusive(flushHistory) {
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
return;
}
var stats = getInclusive(flushHistory);
var table = stats.map(function (item) {
var key = item.key,
instanceCount = item.instanceCount,
inclusiveRenderDuration = item.inclusiveRenderDuration,
renderCount = item.renderCount;
return {
'Owner > Component': key,
'Inclusive render time (ms)': roundFloat(inclusiveRenderDuration),
'Instance count': instanceCount,
'Render count': renderCount
};
});
consoleTable(table);
}n/a
function printOperations(flushHistory) {
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
return;
}
var stats = getOperations(flushHistory);
var table = stats.map(function (stat) {
return {
'Owner > Node': stat.key,
'Operation': stat.type,
'Payload': typeof stat.payload === 'object' ? JSON.stringify(stat.payload) : stat.payload,
'Flush index': stat.flushIndex,
'Owner Component ID': stat.ownerID,
'DOM Component ID': stat.instanceID
};
});
consoleTable(table);
}...
};
});
consoleTable(table);
}
var warnedAboutPrintDOM = false;
function printDOM(measurements) {
process.env.NODE_ENV !== 'production' ? warning(warnedAboutPrintDOM, '`ReactPerf.printDOM(...)` is deprecated. Use
' + '`ReactPerf.printOperations(...)` instead.') : void 0;
warnedAboutPrintDOM = true;
return printOperations(measurements);
}
var warnedAboutGetMeasurementsSummaryMap = false;
function getMeasurementsSummaryMap(measurements) {
process.env.NODE_ENV !== 'production' ? warning(warnedAboutGetMeasurementsSummaryMap, '`ReactPerf.getMeasurementsSummaryMap
(...)` is deprecated. Use ' + '`ReactPerf.getWasted(...)` instead.') : void 0;
...function printWasted(flushHistory) {
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
return;
}
var stats = getWasted(flushHistory);
var table = stats.map(function (item) {
var key = item.key,
instanceCount = item.instanceCount,
inclusiveRenderDuration = item.inclusiveRenderDuration,
renderCount = item.renderCount;
return {
'Owner > Component': key,
'Inclusive wasted time (ms)': roundFloat(inclusiveRenderDuration),
'Instance count': instanceCount,
'Render count': renderCount
};
});
consoleTable(table);
}n/a
function start() {
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
return;
}
ReactDebugTool.beginProfiling();
}n/a
function stop() {
if (!(process.env.NODE_ENV !== 'production')) {
warnInProduction();
return;
}
ReactDebugTool.endProfiling();
}n/a
function ReactReconcileTransaction(useCreateElement) {
this.reinitializeTransaction();
// Only server-side rendering really needs this option (see
// `ReactServerRendering`), but server-side uses
// `ReactServerRenderingTransaction` instead. This option is here so that it's
// accessible and defaults to false when `ReactDOMComponent` and
// `ReactDOMTextComponent` checks it in `mountComponent`.`
this.renderToStaticMarkup = false;
this.reactMountReady = CallbackQueue.getPooled(null);
this.useCreateElement = useCreateElement;
}n/a
getPooled = function (copyFieldsFrom) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, copyFieldsFrom);
return instance;
} else {
return new Klass(copyFieldsFrom);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...checkpoint = function () {
// reactMountReady is the our only stateful wrapper
return this.reactMountReady.checkpoint();
}...
} 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) {
...closeAll = function (startIndex) {
!this.isInTransaction() ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Transaction.closeAll(): Cannot close transaction
when none are open.') : _prodInvariant('28') : void 0;
var transactionWrappers = this.transactionWrappers;
for (var i = startIndex; i < transactionWrappers.length; i++) {
var wrapper = transactionWrappers[i];
var initData = this.wrapperInitData[i];
var errorThrown;
try {
// Catching errors makes debugging more difficult, so we start with
// errorThrown set to true before setting it to false after calling
// close -- if it's still set to true in the finally block, it means
// wrapper.close threw.
errorThrown = true;
if (initData !== OBSERVED_ERROR && wrapper.close) {
wrapper.close.call(this, initData);
}
errorThrown = false;
} finally {
if (errorThrown) {
// The closer for wrapper i threw an error; close the remaining
// wrappers but silence any exceptions from them to ensure that the
// first error is the one to bubble up.
try {
this.closeAll(i + 1);
} catch (e) {}
}
}
}
this.wrapperInitData.length = 0;
}...
errorThrown = false;
} finally {
try {
if (errorThrown) {
// If `method` throws, prefer to show that stack trace over any thrown
// by invoking `closeAll`.
try {
this.closeAll(0);
} catch (err) {}
} else {
// Since `method` didn't throw, we don't want to silence the exception
// here.
this.closeAll(0);
}
} finally {
...destructor = function () {
CallbackQueue.release(this.reactMountReady);
this.reactMountReady = null;
}...
return new Klass(a1, a2, a3, a4);
}
};
var standardReleaser = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance
into a pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
};
var DEFAULT_POOL_SIZE = 10;
var DEFAULT_POOLER = oneArgumentPooler;
...getReactMountReady = function () {
return this.reactMountReady;
}...
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);
}
...getTransactionWrappers = function () {
return TRANSACTION_WRAPPERS;
}...
* Sets up this instance so that it is prepared for collecting metrics. Does
* so such that this setup method may be used on an instance that is already
* initialized, in a way that does not consume additional memory upon reuse.
* That can be useful if you decide to make your subclass of this mixin a
* "PooledClass".
*/
reinitializeTransaction: function () {
this.transactionWrappers = this.getTransactionWrappers();
if (this.wrapperInitData) {
this.wrapperInitData.length = 0;
} else {
this.wrapperInitData = [];
}
this._isInTransaction = false;
},
...getUpdateQueue = function () {
return ReactUpdateQueue;
}...
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
...initializeAll = function (startIndex) {
var transactionWrappers = this.transactionWrappers;
for (var i = startIndex; i < transactionWrappers.length; i++) {
var wrapper = transactionWrappers[i];
try {
// Catching errors makes debugging more difficult, so we start with the
// OBSERVED_ERROR state before overwriting it with the real return value
// of initialize -- if it's still set to OBSERVED_ERROR in the finally
// block, it means wrapper.initialize threw.
this.wrapperInitData[i] = OBSERVED_ERROR;
this.wrapperInitData[i] = wrapper.initialize ? wrapper.initialize.call(this) : null;
} finally {
if (this.wrapperInitData[i] === OBSERVED_ERROR) {
// The initializer for wrapper i threw an error; initialize the
// remaining wrappers but silence any exceptions from them to ensure
// that the first error is the one to bubble up.
try {
this.initializeAll(i + 1);
} catch (err) {}
}
}
}
}...
try {
this._isInTransaction = true;
// Catching errors makes debugging more difficult, so we start with
// errorThrown set to true before setting it to false after calling
// close -- if it's still set to true in the finally block, it means
// one of these calls threw.
errorThrown = true;
this.initializeAll(0);
ret = method.call(scope, a, b, c, d, e, f);
errorThrown = false;
} finally {
try {
if (errorThrown) {
// If `method` throws, prefer to show that stack trace over any thrown
// by invoking `closeAll`.
...isInTransaction = function () {
return !!this._isInTransaction;
}...
* @param {ReactClass} publicInstance The instance to use as `this` context.
* @param {?function} callback Called after state is updated.
* @internal
*/
ReactServerUpdateQueue.prototype.enqueueCallback = function enqueueCallback(publicInstance, callback, callerName) {
if (this.transaction.isInTransaction()) {
ReactUpdateQueue.enqueueCallback(publicInstance, callback, callerName);
}
};
/**
* Forces an update. This should only be invoked when it is known with
* certainty that we are **not** in a DOM transaction.
...perform = function (method, scope, a, b, c, d, e, f) {
!!this.isInTransaction() ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Transaction.perform(...): Cannot initialize
a transaction when there is already an outstanding transaction.') : _prodInvariant('27') : void 0;
var errorThrown;
var ret;
try {
this._isInTransaction = true;
// Catching errors makes debugging more difficult, so we start with
// errorThrown set to true before setting it to false after calling
// close -- if it's still set to true in the finally block, it means
// one of these calls threw.
errorThrown = true;
this.initializeAll(0);
ret = method.call(scope, a, b, c, d, e, f);
errorThrown = false;
} finally {
try {
if (errorThrown) {
// If `method` throws, prefer to show that stack trace over any thrown
// by invoking `closeAll`.
try {
this.closeAll(0);
} catch (err) {}
} else {
// Since `method` didn't throw, we don't want to silence the exception
// here.
this.closeAll(0);
}
} finally {
this._isInTransaction = false;
}
}
return ret;
}...
ReactDefaultBatchingStrategy.isBatchingUpdates = true;
// The code is written this way to avoid extra allocations
if (alreadyBatchingUpdates) {
return callback(a, b, c, d, e);
} else {
return transaction.perform(callback, null, a, b, c, d, e);
}
}
};
module.exports = ReactDefaultBatchingStrategy;
...reinitializeTransaction = function () {
this.transactionWrappers = this.getTransactionWrappers();
if (this.wrapperInitData) {
this.wrapperInitData.length = 0;
} else {
this.wrapperInitData = [];
}
this._isInTransaction = false;
}...
initialize: emptyFunction,
close: ReactUpdates.flushBatchedUpdates.bind(ReactUpdates)
};
var TRANSACTION_WRAPPERS = [FLUSH_BATCHED_UPDATES, RESET_BATCHED_UPDATES];
function ReactDefaultBatchingStrategyTransaction() {
this.reinitializeTransaction();
}
_assign(ReactDefaultBatchingStrategyTransaction.prototype, Transaction, {
getTransactionWrappers: function () {
return TRANSACTION_WRAPPERS;
}
});
...rollback = function (checkpoint) {
this.reactMountReady.rollback(checkpoint);
}...
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);
...getHostNode = function (internalInstance) {
return internalInstance.getHostNode();
}...
var prevElement = prevChild && prevChild._currentElement;
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
...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;
}...
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
var nextChildMountImage = ReactReconciler.mountComponent(nextChildInstance, transaction
, hostParent, hostContainerInfo, context, selfDebugID);
mountImages.push(nextChildMountImage);
}
}
// Unmount children that are no longer present.
for (name in prevChildren) {
if (prevChildren.hasOwnProperty(name) && !(nextChildren && nextChildren.hasOwnProperty(name))) {
prevChild = prevChildren[name];
...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);
}
}
}...
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);
}
}
}
...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);
}
}
}...
if (!nextChildren.hasOwnProperty(name)) {
continue;
}
prevChild = prevChildren && prevChildren[name];
var prevElement = prevChild && prevChild._currentElement;
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
...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);
}
}
}...
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
var nextChildMountImage = ReactReconciler.mountComponent(nextChildInstance, transaction, hostParent, hostContainerInfo, context
, selfDebugID);
...attachRefs = function (instance, element) {
if (element === null || typeof element !== 'object') {
return;
}
var ref = element.ref;
if (ref != null) {
attachRef(ref, instance, element._owner);
}
}...
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.
*
...detachRefs = function (instance, element) {
if (element === null || typeof element !== 'object') {
return;
}
var ref = element.ref;
if (ref != null) {
detachRef(ref, instance, element._owner);
}
}...
*/
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);
}
}
},
...shouldUpdateRefs = function (prevElement, nextElement) {
// If either the owner or a `ref` has changed, make sure the newest owner
// has stored a reference to `this`, and the previous owner (if different)
// has forgotten the reference to `this`. We use the element instead
// of the public this.props because the post processing cannot determine
// a ref. The ref conceptually lives on the element.
// TODO: Should this even be possible? The owner cannot change because
// it's forbidden by shouldUpdateReactComponent. The ref can change
// if you swap the keys of but not the refs. Reconsider where this check
// is made. It probably belongs where the key checking and
// instantiateReactComponent is done.
var prevRef = null;
var prevOwner = null;
if (prevElement !== null && typeof prevElement === 'object') {
prevRef = prevElement.ref;
prevOwner = prevElement._owner;
}
var nextRef = null;
var nextOwner = null;
if (nextElement !== null && typeof nextElement === 'object') {
nextRef = nextElement.ref;
nextOwner = nextElement._owner;
}
return prevRef !== nextRef ||
// If owner changes but we have an unchanged function ref, don't update refs
typeof nextRef === 'string' && nextOwner !== prevOwner;
}...
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);
...createReifiedYield = function (yieldNode) {
var fiber = createFiberFromElementType(yieldNode.continuation, yieldNode.key);
return {
continuation: fiber,
props: yieldNode.props
};
}n/a
createUpdatedReifiedYield = function (previousYield, yieldNode) {
return {
continuation: previousYield.continuation,
props: yieldNode.props
};
}n/a
batchedUpdates = function (callback) {
// Don't do anything here. During the server rendering we don't want to
// schedule any updates. We will simply ignore them.
}...
//
// 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.
ReactUpdates.batchedUpdates(runEventInBatch, event);
}
function runEventInBatch(event) {
EventPluginHub.enqueueEvents(event);
EventPluginHub.processEventQueue(false);
}
...function renderToStaticMarkup(element) {
!React.isValidElement(element) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'renderToStaticMarkup(): You must pass
a valid ReactElement.') : _prodInvariant('47') : void 0;
return renderToStringImpl(element, true);
}n/a
function renderToString(element) {
!React.isValidElement(element) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'renderToString(): You must pass a valid
ReactElement.') : _prodInvariant('46') : void 0;
return renderToStringImpl(element, false);
}...
class MyComponent extends React.Component {
render() {
return <div>Hello World</div>;
}
}
ReactDOMServer.renderToString(<MyComponent />);
```
## API
### `react-dom`
- `findDOMNode`
...function ReactServerRenderingTransaction(renderToStaticMarkup) {
this.reinitializeTransaction();
this.renderToStaticMarkup = renderToStaticMarkup;
this.useCreateElement = false;
this.updateQueue = new ReactServerUpdateQueue(this);
}n/a
getPooled = function (copyFieldsFrom) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, copyFieldsFrom);
return instance;
} else {
return new Klass(copyFieldsFrom);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...checkpoint = function () {}...
} 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) {
...closeAll = function (startIndex) {
!this.isInTransaction() ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Transaction.closeAll(): Cannot close transaction
when none are open.') : _prodInvariant('28') : void 0;
var transactionWrappers = this.transactionWrappers;
for (var i = startIndex; i < transactionWrappers.length; i++) {
var wrapper = transactionWrappers[i];
var initData = this.wrapperInitData[i];
var errorThrown;
try {
// Catching errors makes debugging more difficult, so we start with
// errorThrown set to true before setting it to false after calling
// close -- if it's still set to true in the finally block, it means
// wrapper.close threw.
errorThrown = true;
if (initData !== OBSERVED_ERROR && wrapper.close) {
wrapper.close.call(this, initData);
}
errorThrown = false;
} finally {
if (errorThrown) {
// The closer for wrapper i threw an error; close the remaining
// wrappers but silence any exceptions from them to ensure that the
// first error is the one to bubble up.
try {
this.closeAll(i + 1);
} catch (e) {}
}
}
}
this.wrapperInitData.length = 0;
}...
errorThrown = false;
} finally {
try {
if (errorThrown) {
// If `method` throws, prefer to show that stack trace over any thrown
// by invoking `closeAll`.
try {
this.closeAll(0);
} catch (err) {}
} else {
// Since `method` didn't throw, we don't want to silence the exception
// here.
this.closeAll(0);
}
} finally {
...destructor = function () {}...
return new Klass(a1, a2, a3, a4);
}
};
var standardReleaser = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance
into a pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
};
var DEFAULT_POOL_SIZE = 10;
var DEFAULT_POOLER = oneArgumentPooler;
...getReactMountReady = function () {
return noopCallbackQueue;
}...
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);
}
...getTransactionWrappers = function () {
return TRANSACTION_WRAPPERS;
}...
* Sets up this instance so that it is prepared for collecting metrics. Does
* so such that this setup method may be used on an instance that is already
* initialized, in a way that does not consume additional memory upon reuse.
* That can be useful if you decide to make your subclass of this mixin a
* "PooledClass".
*/
reinitializeTransaction: function () {
this.transactionWrappers = this.getTransactionWrappers();
if (this.wrapperInitData) {
this.wrapperInitData.length = 0;
} else {
this.wrapperInitData = [];
}
this._isInTransaction = false;
},
...getUpdateQueue = function () {
return this.updateQueue;
}...
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
...initializeAll = function (startIndex) {
var transactionWrappers = this.transactionWrappers;
for (var i = startIndex; i < transactionWrappers.length; i++) {
var wrapper = transactionWrappers[i];
try {
// Catching errors makes debugging more difficult, so we start with the
// OBSERVED_ERROR state before overwriting it with the real return value
// of initialize -- if it's still set to OBSERVED_ERROR in the finally
// block, it means wrapper.initialize threw.
this.wrapperInitData[i] = OBSERVED_ERROR;
this.wrapperInitData[i] = wrapper.initialize ? wrapper.initialize.call(this) : null;
} finally {
if (this.wrapperInitData[i] === OBSERVED_ERROR) {
// The initializer for wrapper i threw an error; initialize the
// remaining wrappers but silence any exceptions from them to ensure
// that the first error is the one to bubble up.
try {
this.initializeAll(i + 1);
} catch (err) {}
}
}
}
}...
try {
this._isInTransaction = true;
// Catching errors makes debugging more difficult, so we start with
// errorThrown set to true before setting it to false after calling
// close -- if it's still set to true in the finally block, it means
// one of these calls threw.
errorThrown = true;
this.initializeAll(0);
ret = method.call(scope, a, b, c, d, e, f);
errorThrown = false;
} finally {
try {
if (errorThrown) {
// If `method` throws, prefer to show that stack trace over any thrown
// by invoking `closeAll`.
...isInTransaction = function () {
return !!this._isInTransaction;
}...
* @param {ReactClass} publicInstance The instance to use as `this` context.
* @param {?function} callback Called after state is updated.
* @internal
*/
ReactServerUpdateQueue.prototype.enqueueCallback = function enqueueCallback(publicInstance, callback, callerName) {
if (this.transaction.isInTransaction()) {
ReactUpdateQueue.enqueueCallback(publicInstance, callback, callerName);
}
};
/**
* Forces an update. This should only be invoked when it is known with
* certainty that we are **not** in a DOM transaction.
...perform = function (method, scope, a, b, c, d, e, f) {
!!this.isInTransaction() ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Transaction.perform(...): Cannot initialize
a transaction when there is already an outstanding transaction.') : _prodInvariant('27') : void 0;
var errorThrown;
var ret;
try {
this._isInTransaction = true;
// Catching errors makes debugging more difficult, so we start with
// errorThrown set to true before setting it to false after calling
// close -- if it's still set to true in the finally block, it means
// one of these calls threw.
errorThrown = true;
this.initializeAll(0);
ret = method.call(scope, a, b, c, d, e, f);
errorThrown = false;
} finally {
try {
if (errorThrown) {
// If `method` throws, prefer to show that stack trace over any thrown
// by invoking `closeAll`.
try {
this.closeAll(0);
} catch (err) {}
} else {
// Since `method` didn't throw, we don't want to silence the exception
// here.
this.closeAll(0);
}
} finally {
this._isInTransaction = false;
}
}
return ret;
}...
ReactDefaultBatchingStrategy.isBatchingUpdates = true;
// The code is written this way to avoid extra allocations
if (alreadyBatchingUpdates) {
return callback(a, b, c, d, e);
} else {
return transaction.perform(callback, null, a, b, c, d, e);
}
}
};
module.exports = ReactDefaultBatchingStrategy;
...reinitializeTransaction = function () {
this.transactionWrappers = this.getTransactionWrappers();
if (this.wrapperInitData) {
this.wrapperInitData.length = 0;
} else {
this.wrapperInitData = [];
}
this._isInTransaction = false;
}...
initialize: emptyFunction,
close: ReactUpdates.flushBatchedUpdates.bind(ReactUpdates)
};
var TRANSACTION_WRAPPERS = [FLUSH_BATCHED_UPDATES, RESET_BATCHED_UPDATES];
function ReactDefaultBatchingStrategyTransaction() {
this.reinitializeTransaction();
}
_assign(ReactDefaultBatchingStrategyTransaction.prototype, Transaction, {
getTransactionWrappers: function () {
return TRANSACTION_WRAPPERS;
}
});
...rollback = function () {}...
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);
...function ReactServerUpdateQueue(transaction) {
_classCallCheck(this, ReactServerUpdateQueue);
this.transaction = transaction;
}n/a
function enqueueCallback(publicInstance, callback, callerName) {
if (this.transaction.isInTransaction()) {
ReactUpdateQueue.enqueueCallback(publicInstance, callback, callerName);
}
}...
* @param {?function} callback Called after state is updated.
* @internal
*/
ReactServerUpdateQueue.prototype.enqueueCallback = function enqueueCallback(publicInstance, callback, callerName) {
if (this.transaction.isInTransaction()) {
ReactUpdateQueue.enqueueCallback(publicInstance, callback, callerName);
}
};
/**
* Forces an update. This should only be invoked when it is known with
* certainty that we are **not** in a DOM transaction.
*
...function enqueueForceUpdate(publicInstance) {
if (this.transaction.isInTransaction()) {
ReactUpdateQueue.enqueueForceUpdate(publicInstance);
} else {
warnNoop(publicInstance, 'forceUpdate');
}
}...
* @param {ReactClass} publicInstance The instance that should rerender.
* @internal
*/
ReactServerUpdateQueue.prototype.enqueueForceUpdate = function enqueueForceUpdate(publicInstance) {
if (this.transaction.isInTransaction()) {
ReactUpdateQueue.enqueueForceUpdate(publicInstance);
} else {
warnNoop(publicInstance, 'forceUpdate');
}
};
/**
* Replaces all of the state. Always use this or `setState` to mutate state.
...function enqueueReplaceState(publicInstance, completeState) {
if (this.transaction.isInTransaction()) {
ReactUpdateQueue.enqueueReplaceState(publicInstance, completeState);
} else {
warnNoop(publicInstance, 'replaceState');
}
}...
* @param {object|function} completeState Next state.
* @internal
*/
ReactServerUpdateQueue.prototype.enqueueReplaceState = function enqueueReplaceState(publicInstance, completeState) {
if (this.transaction.isInTransaction()) {
ReactUpdateQueue.enqueueReplaceState(publicInstance, completeState);
} else {
warnNoop(publicInstance, 'replaceState');
}
};
/**
* Sets a subset of the state. This only exists because _pendingState is
...function enqueueSetState(publicInstance, partialState) {
if (this.transaction.isInTransaction()) {
ReactUpdateQueue.enqueueSetState(publicInstance, partialState);
} else {
warnNoop(publicInstance, 'setState');
}
}...
* @param {object|function} partialState Next partial state to be merged with state.
* @internal
*/
ReactServerUpdateQueue.prototype.enqueueSetState = function enqueueSetState(publicInstance, partialState) {
if (this.transaction.isInTransaction()) {
ReactUpdateQueue.enqueueSetState(publicInstance, partialState);
} else {
warnNoop(publicInstance, 'setState');
}
};
return ReactServerUpdateQueue;
}();
...function isMounted(publicInstance) {
return false;
}n/a
function ReactShallowRenderer() {
_classCallCheck(this, ReactShallowRenderer);
this._instance = null;
}n/a
function _render(element, transaction, context) {
if (this._instance) {
ReactReconciler.receiveComponent(this._instance, element, transaction, context);
} else {
var instance = new ShallowComponentWrapper(element);
ReactReconciler.mountComponent(instance, transaction, null, null, context, 0);
this._instance = instance;
}
}...
},
_replaceNodeWithMarkup: function () {},
_renderValidatedComponent: ReactCompositeComponent._renderValidatedComponentWithoutOwnerOrContext
});
function _batchedRender(renderer, element, context) {
var transaction = ReactUpdates.ReactReconcileTransaction.getPooled(true);
renderer._render(element, transaction, context);
ReactUpdates.ReactReconcileTransaction.release(transaction);
}
var ReactShallowRenderer = function () {
function ReactShallowRenderer() {
_classCallCheck(this, ReactShallowRenderer);
...function getMountedInstance() {
return this._instance ? this._instance._instance : null;
}n/a
function getRenderOutput() {
return this._instance && this._instance._renderedComponent && this._instance._renderedComponent._renderedOutput || null;
}...
!(typeof element.type !== 'string') ? process.env.NODE_ENV !== 'production' ? invariant(false, 'ReactShallowRenderer
render(): Shallow rendering works only with custom components, not primitives (%s). Instead of calling `.render(el)` and inspecting
the rendered output, look at `el.props` directly instead.', element.type) : _prodInvariant('13', element.type) :
void 0;
if (!context) {
context = emptyObject;
}
ReactUpdates.batchedUpdates(_batchedRender, this, element, context);
return this.getRenderOutput();
};
ReactShallowRenderer.prototype.getRenderOutput = function getRenderOutput() {
return this._instance && this._instance._renderedComponent && this._instance._renderedComponent._renderedOutput
|| null;
};
ReactShallowRenderer.prototype.unmount = function unmount() {
...function render(element, context) {
// Ensure we've done the default injections. This might not be true in the
// case of a simple test that only requires React and the TestUtils in
// conjunction with an inline-requires transform.
ReactDefaultInjection.inject();
!React.isValidElement(element) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'ReactShallowRenderer render(): Invalid
component element.%s', typeof element === 'function' ? ' Instead of passing a component class, make sure to instantiate ' + 'it
by passing it to React.createElement.' : '') : _prodInvariant('12', typeof element === 'function' ? ' Instead of passing a component
class, make sure to instantiate ' + 'it by passing it to React.createElement.' : '') : void 0;
!(typeof element.type !== 'string') ? process.env.NODE_ENV !== 'production' ? invariant(false, 'ReactShallowRenderer render():
Shallow rendering works only with custom components, not primitives (%s). Instead of calling `.render(el)` and inspecting the rendered
output, look at `el.props` directly instead.', element.type) : _prodInvariant('13', element.type) : void 0;
if (!context) {
context = emptyObject;
}
ReactUpdates.batchedUpdates(_batchedRender, this, element, context);
return this.getRenderOutput();
}...
class MyComponent extends React.Component {
render() {
return <div>Hello World</div>;
}
}
ReactDOM.render(<MyComponent />, node);
```
### On the server
```js
var React = require('react');
var ReactDOMServer = require('react-dom/server');
...function unmount() {
if (this._instance) {
ReactReconciler.unmountComponent(this._instance, false);
}
}n/a
ReactSimpleEmptyComponent = function (placeholderElement, instantiate) {
this._currentElement = null;
this._renderedComponent = instantiate(placeholderElement);
}n/a
getHostNode = function () {
return ReactReconciler.getHostNode(this._renderedComponent);
}...
var prevElement = prevChild && prevChild._currentElement;
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
...mountComponent = function (transaction, hostParent, hostContainerInfo, context, parentDebugID // 0 in production and for roots ) {
return ReactReconciler.mountComponent(this._renderedComponent, transaction, hostParent, hostContainerInfo, context, parentDebugID
);
}...
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
var nextChildMountImage = ReactReconciler.mountComponent(nextChildInstance, transaction
, hostParent, hostContainerInfo, context, selfDebugID);
mountImages.push(nextChildMountImage);
}
}
// Unmount children that are no longer present.
for (name in prevChildren) {
if (prevChildren.hasOwnProperty(name) && !(nextChildren && nextChildren.hasOwnProperty(name))) {
prevChild = prevChildren[name];
...receiveComponent = function () {}...
if (!nextChildren.hasOwnProperty(name)) {
continue;
}
prevChild = prevChildren && prevChildren[name];
var prevElement = prevChild && prevChild._currentElement;
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
...unmountComponent = function () {
ReactReconciler.unmountComponent(this._renderedComponent);
this._renderedComponent = null;
}...
var nextElement = nextChildren[name];
if (prevChild != null && shouldUpdateReactComponent(prevElement, nextElement)) {
ReactReconciler.receiveComponent(prevChild, nextElement, transaction, context);
nextChildren[name] = prevChild;
} else {
if (prevChild) {
removedNodes[name] = ReactReconciler.getHostNode(prevChild);
ReactReconciler.unmountComponent(prevChild, false);
}
// The child must be instantiated before it's mounted.
var nextChildInstance = instantiateReactComponent(nextElement, true);
nextChildren[name] = nextChildInstance;
// Creating mount image now ensures refs are resolved in right order
// (see https://github.com/facebook/react/pull/7101 for explanation).
var nextChildMountImage = ReactReconciler.mountComponent(nextChildInstance, transaction, hostParent, hostContainerInfo, context
, selfDebugID);
...createRenderer = function () {
return new ReactShallowRenderer();
}n/a
findAllInRenderedTree = function (inst, test) {
if (!inst) {
return [];
}
!ReactTestUtils.isCompositeComponent(inst) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'findAllInRenderedTree(...):
instance must be a composite component') : _prodInvariant('10') : void 0;
return findAllInRenderedTreeInternal(ReactInstanceMap.get(inst), test);
}...
/**
* Finds all instance of components in the rendered tree that are DOM
* components with the class name matching `className`.
* @return {array} an array of all the matches.
*/
scryRenderedDOMComponentsWithClass: function (root, classNames) {
return ReactTestUtils.findAllInRenderedTree(root, function (inst) {
if (ReactTestUtils.isDOMComponent(inst)) {
var className = inst.className;
if (typeof className !== 'string') {
// SVG, probably.
className = inst.getAttribute('class') || '';
}
var classList = className.split(/\s+/);
...findRenderedComponentWithType = function (root, componentType) {
var all = ReactTestUtils.scryRenderedComponentsWithType(root, componentType);
if (all.length !== 1) {
throw new Error('Did not find exactly one match (found: ' + all.length + ') ' + 'for componentType:' + componentType);
}
return all[0];
}n/a
findRenderedDOMComponentWithClass = function (root, className) {
var all = ReactTestUtils.scryRenderedDOMComponentsWithClass(root, className);
if (all.length !== 1) {
throw new Error('Did not find exactly one match (found: ' + all.length + ') ' + 'for class:' + className);
}
return all[0];
}n/a
findRenderedDOMComponentWithTag = function (root, tagName) {
var all = ReactTestUtils.scryRenderedDOMComponentsWithTag(root, tagName);
if (all.length !== 1) {
throw new Error('Did not find exactly one match (found: ' + all.length + ') ' + 'for tag:' + tagName);
}
return all[0];
}n/a
getRenderedChildOfCompositeComponent = function (inst) {
if (!ReactTestUtils.isCompositeComponent(inst)) {
return null;
}
var internalInstance = ReactInstanceMap.get(inst);
return internalInstance._renderedComponent.getPublicInstance();
}n/a
isCompositeComponent = function (inst) {
if (ReactTestUtils.isDOMComponent(inst)) {
// Accessing inst.setState warns; just return false as that'll be what
// this returns when we have DOM nodes as refs directly
return false;
}
return inst != null && typeof inst.render === 'function' && typeof inst.setState === 'function';
}...
// this returns when we have DOM nodes as refs directly
return false;
}
return inst != null && typeof inst.render === 'function' && typeof inst.setState === 'function
';
},
isCompositeComponentWithType: function (inst, type) {
if (!ReactTestUtils.isCompositeComponent(inst)) {
return false;
}
var internalInstance = ReactInstanceMap.get(inst);
var constructor = internalInstance._currentElement.type;
return constructor === type;
},
...isCompositeComponentElement = function (inst) {
if (!React.isValidElement(inst)) {
return false;
}
// We check the prototype of the type that will get mounted, not the
// instance itself. This is a future proof way of duck typing.
var prototype = inst.type.prototype;
return typeof prototype.render === 'function' && typeof prototype.setState === 'function';
}...
return typeof prototype.render === 'function' && typeof prototype.setState === 'function';
},
isCompositeComponentElementWithType: function (inst, type) {
var internalInstance = ReactInstanceMap.get(inst);
var constructor = internalInstance._currentElement.type;
return !!(ReactTestUtils.isCompositeComponentElement(inst) && constructor
=== type);
},
getRenderedChildOfCompositeComponent: function (inst) {
if (!ReactTestUtils.isCompositeComponent(inst)) {
return null;
}
var internalInstance = ReactInstanceMap.get(inst);
...isCompositeComponentElementWithType = function (inst, type) {
var internalInstance = ReactInstanceMap.get(inst);
var constructor = internalInstance._currentElement.type;
return !!(ReactTestUtils.isCompositeComponentElement(inst) && constructor === type);
}n/a
isCompositeComponentWithType = function (inst, type) {
if (!ReactTestUtils.isCompositeComponent(inst)) {
return false;
}
var internalInstance = ReactInstanceMap.get(inst);
var constructor = internalInstance._currentElement.type;
return constructor === type;
}...
/**
* Finds all instances of components with type equal to `componentType`.
* @return {array} an array of all the matches.
*/
scryRenderedComponentsWithType: function (root, componentType) {
return ReactTestUtils.findAllInRenderedTree(root, function (inst) {
return ReactTestUtils.isCompositeComponentWithType(inst, componentType);
});
},
/**
* Same as `scryRenderedComponentsWithType` but expects there to be one result
* and returns that one result, or throws exception if there is any other
* number of matches besides one.
...isDOMComponent = function (inst) {
return !!(inst && inst.nodeType === 1 && inst.tagName);
}...
function findAllInRenderedTreeInternal(inst, test) {
if (!inst || !inst.getPublicInstance) {
return [];
}
var publicInst = inst.getPublicInstance();
var ret = test(publicInst) ? [publicInst] : [];
var currentElement = inst._currentElement;
if (ReactTestUtils.isDOMComponent(publicInst)) {
var renderedChildren = inst._renderedChildren;
var key;
for (key in renderedChildren) {
if (!renderedChildren.hasOwnProperty(key)) {
continue;
}
ret = ret.concat(findAllInRenderedTreeInternal(renderedChildren[key], test));
...isDOMComponentElement = function (inst) {
return !!(inst && React.isValidElement(inst) && !!inst.tagName);
}n/a
isElement = function (element) {
return React.isValidElement(element);
}...
expect(instance).not.toBeUndefined();
!ReactTestUtils.isCompositeComponent(instance) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'reactComponentExpect
(...): instance must be a composite component') : _prodInvariant('15') : void 0;
var internalInstance = ReactInstanceMap.get(instance);
expect(typeof internalInstance).toBe('object');
expect(typeof internalInstance.constructor).toBe('function');
expect(ReactTestUtils.isElement(internalInstance)).toBe(false);
return new reactComponentExpectInternal(internalInstance);
}
function reactComponentExpectInternal(internalInstance) {
this._instance = internalInstance;
}
...isElementOfType = function (inst, convenienceConstructor) {
return React.isValidElement(inst) && inst.type === convenienceConstructor;
}n/a
mockComponent = function (module, mockTagName) {
mockTagName = mockTagName || module.mockTagName || 'div';
module.prototype.render.mockImplementation(function () {
return React.createElement(mockTagName, null, this.props.children);
});
return this;
}n/a
nativeTouchData = function (x, y) {
return {
touches: [{ pageX: x, pageY: y }]
};
}n/a
renderIntoDocument = function (element) {
var div = document.createElement('div');
// None of our tests actually require attaching the container to the
// DOM, and doing so creates a mess that we rely on test isolation to
// clean up, so we're going to stop honoring the name of this method
// (and probably rename it eventually) if no problems arise.
// document.documentElement.appendChild(div);
return ReactDOM.render(element, div);
}n/a
scryRenderedComponentsWithType = function (root, componentType) {
return ReactTestUtils.findAllInRenderedTree(root, function (inst) {
return ReactTestUtils.isCompositeComponentWithType(inst, componentType);
});
}...
/**
* Same as `scryRenderedComponentsWithType` but expects there to be one result
* and returns that one result, or throws exception if there is any other
* number of matches besides one.
* @return {!ReactComponent} The one match.
*/
findRenderedComponentWithType: function (root, componentType) {
var all = ReactTestUtils.scryRenderedComponentsWithType(root, componentType);
if (all.length !== 1) {
throw new Error('Did not find exactly one match (found: ' + all.length + ') ' + 'for componentType:&#
x27; + componentType);
}
return all[0];
},
/**
...scryRenderedDOMComponentsWithClass = function (root, classNames) {
return ReactTestUtils.findAllInRenderedTree(root, function (inst) {
if (ReactTestUtils.isDOMComponent(inst)) {
var className = inst.className;
if (typeof className !== 'string') {
// SVG, probably.
className = inst.getAttribute('class') || '';
}
var classList = className.split(/\s+/);
if (!Array.isArray(classNames)) {
!(classNames !== undefined) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'TestUtils.scryRenderedDOMComponentsWithClass
expects a className as a second argument.') : _prodInvariant('11') : void 0;
classNames = classNames.split(/\s+/);
}
return classNames.every(function (name) {
return classList.indexOf(name) !== -1;
});
}
return false;
});
}...
/**
* Like scryRenderedDOMComponentsWithClass but expects there to be one result,
* and returns that one result, or throws exception if there is any other
* number of matches besides one.
* @return {!ReactDOMComponent} The one match.
*/
findRenderedDOMComponentWithClass: function (root, className) {
var all = ReactTestUtils.scryRenderedDOMComponentsWithClass(root, className);
if (all.length !== 1) {
throw new Error('Did not find exactly one match (found: ' + all.length + ') ' + 'for class:' +
className);
}
return all[0];
},
/**
...scryRenderedDOMComponentsWithTag = function (root, tagName) {
return ReactTestUtils.findAllInRenderedTree(root, function (inst) {
return ReactTestUtils.isDOMComponent(inst) && inst.tagName.toUpperCase() === tagName.toUpperCase();
});
}...
/**
* Like scryRenderedDOMComponentsWithTag but expects there to be one result,
* and returns that one result, or throws exception if there is any other
* number of matches besides one.
* @return {!ReactDOMComponent} The one match.
*/
findRenderedDOMComponentWithTag: function (root, tagName) {
var all = ReactTestUtils.scryRenderedDOMComponentsWithTag(root, tagName);
if (all.length !== 1) {
throw new Error('Did not find exactly one match (found: ' + all.length + ') ' + 'for tag:' + tagName
);
}
return all[0];
},
/**
...simulateNativeEventOnDOMComponent = function (topLevelType, comp, fakeNativeEvent) {
ReactTestUtils.simulateNativeEventOnNode(topLevelType, findDOMNode(comp), fakeNativeEvent);
}...
*/
function makeNativeSimulator(eventType) {
return function (domComponentOrNode, nativeEventData) {
var fakeNativeEvent = new Event(eventType);
_assign(fakeNativeEvent, nativeEventData);
if (ReactTestUtils.isDOMComponent(domComponentOrNode)) {
ReactTestUtils.simulateNativeEventOnDOMComponent(eventType, domComponentOrNode,
fakeNativeEvent);
} else if (domComponentOrNode.tagName) {
// Will allow on actual dom nodes.
ReactTestUtils.simulateNativeEventOnNode(eventType, domComponentOrNode, fakeNativeEvent);
}
};
}
...simulateNativeEventOnNode = function (topLevelType, node, fakeNativeEvent) {
fakeNativeEvent.target = node;
ReactBrowserEventEmitter.ReactEventListener.dispatchEvent(topLevelType, fakeNativeEvent);
}...
* Simulates a top level event being dispatched from a raw event that occurred
* on the `ReactDOMComponent` `comp`.
* @param {Object} topLevelType A type from `EventConstants.topLevelTypes`.
* @param {!ReactDOMComponent} comp
* @param {?Event} fakeNativeEvent Fake native event to use in SyntheticEvent.
*/
simulateNativeEventOnDOMComponent: function (topLevelType, comp, fakeNativeEvent) {
ReactTestUtils.simulateNativeEventOnNode(topLevelType, findDOMNode(comp), fakeNativeEvent
);
},
nativeTouchData: function (x, y) {
return {
touches: [{ pageX: x, pageY: y }]
};
},
...enqueueCallback = function (publicInstance, callback, callerName) {
ReactUpdateQueue.validateCallback(callback, callerName);
var internalInstance = getInternalInstanceReadyForUpdate(publicInstance);
// Previously we would throw an error if we didn't have an internal
// instance. Since we want to make it a no-op instead, we mirror the same
// behavior we have in other enqueue* methods.
// We also need to ignore callbacks in componentWillMount. See
// enqueueUpdates.
if (!internalInstance) {
return null;
}
if (internalInstance._pendingCallbacks) {
internalInstance._pendingCallbacks.push(callback);
} else {
internalInstance._pendingCallbacks = [callback];
}
// TODO: The callback here is ignored when setState is called from
// componentWillMount. Either fix it or disallow doing so completely in
// favor of getInitialState. Alternatively, we can disallow
// componentWillMount during server-side rendering.
enqueueUpdate(internalInstance);
}...
* @param {?function} callback Called after state is updated.
* @internal
*/
ReactServerUpdateQueue.prototype.enqueueCallback = function enqueueCallback(publicInstance, callback, callerName) {
if (this.transaction.isInTransaction()) {
ReactUpdateQueue.enqueueCallback(publicInstance, callback, callerName);
}
};
/**
* Forces an update. This should only be invoked when it is known with
* certainty that we are **not** in a DOM transaction.
*
...enqueueCallbackInternal = function (internalInstance, callback) {
if (internalInstance._pendingCallbacks) {
internalInstance._pendingCallbacks.push(callback);
} else {
internalInstance._pendingCallbacks = [callback];
}
enqueueUpdate(internalInstance);
}...
* @param {DOMElement} container container to render into
* @param {?function} callback function triggered on completion
*/
_updateRootComponent: function (prevComponent, nextElement, nextContext, container, callback) {
ReactMount.scrollMonitor(container, function () {
ReactUpdateQueue.enqueueElementInternal(prevComponent, nextElement, nextContext);
if (callback) {
ReactUpdateQueue.enqueueCallbackInternal(prevComponent, callback);
}
});
return prevComponent;
},
/**
...enqueueElementInternal = function (internalInstance, nextElement, nextContext) {
internalInstance._pendingElement = nextElement;
// TODO: introduce _pendingContext instead of setting it directly.
internalInstance._context = nextContext;
enqueueUpdate(internalInstance);
}...
* @param {ReactComponent} prevComponent component instance already in the DOM
* @param {ReactElement} nextElement component instance to render
* @param {DOMElement} container container to render into
* @param {?function} callback function triggered on completion
*/
_updateRootComponent: function (prevComponent, nextElement, nextContext, container, callback) {
ReactMount.scrollMonitor(container, function () {
ReactUpdateQueue.enqueueElementInternal(prevComponent, nextElement, nextContext);
if (callback) {
ReactUpdateQueue.enqueueCallbackInternal(prevComponent, callback);
}
});
return prevComponent;
},
...enqueueForceUpdate = function (publicInstance) {
var internalInstance = getInternalInstanceReadyForUpdate(publicInstance, 'forceUpdate');
if (!internalInstance) {
return;
}
internalInstance._pendingForceUpdate = true;
enqueueUpdate(internalInstance);
}...
* @param {ReactClass} publicInstance The instance that should rerender.
* @internal
*/
ReactServerUpdateQueue.prototype.enqueueForceUpdate = function enqueueForceUpdate(publicInstance) {
if (this.transaction.isInTransaction()) {
ReactUpdateQueue.enqueueForceUpdate(publicInstance);
} else {
warnNoop(publicInstance, 'forceUpdate');
}
};
/**
* Replaces all of the state. Always use this or `setState` to mutate state.
...enqueueReplaceState = function (publicInstance, completeState) {
var internalInstance = getInternalInstanceReadyForUpdate(publicInstance, 'replaceState');
if (!internalInstance) {
return;
}
internalInstance._pendingStateQueue = [completeState];
internalInstance._pendingReplaceState = true;
enqueueUpdate(internalInstance);
}...
* @param {object|function} completeState Next state.
* @internal
*/
ReactServerUpdateQueue.prototype.enqueueReplaceState = function enqueueReplaceState(publicInstance, completeState) {
if (this.transaction.isInTransaction()) {
ReactUpdateQueue.enqueueReplaceState(publicInstance, completeState);
} else {
warnNoop(publicInstance, 'replaceState');
}
};
/**
* Sets a subset of the state. This only exists because _pendingState is
...enqueueSetState = function (publicInstance, partialState) {
if (process.env.NODE_ENV !== 'production') {
ReactInstrumentation.debugTool.onSetState();
process.env.NODE_ENV !== 'production' ? warning(partialState != null, 'setState(...): You passed an undefined or null state
object; ' + 'instead, use forceUpdate().') : void 0;
}
var internalInstance = getInternalInstanceReadyForUpdate(publicInstance, 'setState');
if (!internalInstance) {
return;
}
var queue = internalInstance._pendingStateQueue || (internalInstance._pendingStateQueue = []);
queue.push(partialState);
enqueueUpdate(internalInstance);
}...
* @param {object|function} partialState Next partial state to be merged with state.
* @internal
*/
ReactServerUpdateQueue.prototype.enqueueSetState = function enqueueSetState(publicInstance, partialState) {
if (this.transaction.isInTransaction()) {
ReactUpdateQueue.enqueueSetState(publicInstance, partialState);
} else {
warnNoop(publicInstance, 'setState');
}
};
return ReactServerUpdateQueue;
}();
...isMounted = function (publicInstance) {
if (process.env.NODE_ENV !== 'production') {
var owner = ReactCurrentOwner.current;
if (owner !== null) {
process.env.NODE_ENV !== 'production' ? warning(owner._warnedAboutRefsInRender, '%s is accessing isMounted inside its render
() function. ' + 'render() should be a pure function of props and state. It should ' + 'never access something that requires stale
data from the previous ' + 'render, such as refs. Move this logic to componentDidMount and ' + 'componentDidUpdate instead.', owner
.getName() || 'A component') : void 0;
owner._warnedAboutRefsInRender = true;
}
}
var internalInstance = ReactInstanceMap.get(publicInstance);
if (internalInstance) {
// During componentWillMount and render this will still be null but after
// that will always render to something. At least for now. So we can use
// this hack.
return !!internalInstance._renderedComponent;
} else {
return false;
}
}n/a
validateCallback = function (callback, callerName) {
!(!callback || typeof callback === 'function') ? process.env.NODE_ENV !== 'production' ? invariant(false, '%s(...): Expected the
last optional `callback` argument to be a function. Instead received: %s.', callerName, formatUnexpectedArgument(callback)) : _prodInvariant
('122', callerName, formatUnexpectedArgument(callback)) : void 0;
}...
*/
renderSubtreeIntoContainer: function (parentComponent, nextElement, container, callback) {
!(parentComponent != null && ReactInstanceMap.has(parentComponent)) ? process.env.NODE_ENV !== 'production' ?
invariant(false, 'parentComponent must be a valid React Component') : _prodInvariant('38') : void 0;
return ReactMount._renderSubtreeIntoContainer(parentComponent, nextElement, container, callback);
},
_renderSubtreeIntoContainer: function (parentComponent, nextElement, container, callback) {
ReactUpdateQueue.validateCallback(callback, 'ReactDOM.render');
!React.isValidElement(nextElement) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'ReactDOM.render():
Invalid component element.%s', typeof nextElement === 'string' ? ' Instead of passing a string like\'div\', pass ' + 'React.createElement(\'div\') or <div />.' : typeof nextElement === 'function' ? ' Instead of passing a class like Foo, pass ' + 'React.createElement(Foo) or <Foo />.' :
// Check if it quacks like an element
nextElement != null && nextElement.props !== undefined ? ' This may be caused by unintentionally loading two independent
' + 'copies of React.' : '') : _prodInvariant('39', typeof nextElement === 'string'
; ? ' Instead of passing a string like\'div\', pass ' + 'React.createElement(\'div\') or <div />.' : typeof nextElement === 'function' ? ' Instead of passing a class like Foo, pass ' + 'React.createElement(Foo) or <Foo />.' : nextElement != null && nextElement.props !== undefined ? ' This may be caused by unintentionally loading two independent ' + 'copies of React.' : '') : void 0;
process.env.NODE_ENV !== 'production' ? warning(!container || !container.tagName || container.tagName.toUpperCase() !== &#
x27;BODY', 'render(): Rendering components directly into document.body is ' + 'discouraged, since its children
are often manipulated by third-party ' + 'scripts and browser extensions. This may lead to subtle ' + 'reconciliation
issues. Try rendering into a container element created ' + 'for your app.') : void 0;
var nextWrappedElement = React.createElement(TopLevelWrapper, { child: nextElement });
...function ReactReconcileTransaction(useCreateElement) {
this.reinitializeTransaction();
// Only server-side rendering really needs this option (see
// `ReactServerRendering`), but server-side uses
// `ReactServerRenderingTransaction` instead. This option is here so that it's
// accessible and defaults to false when `ReactDOMComponent` and
// `ReactDOMTextComponent` checks it in `mountComponent`.`
this.renderToStaticMarkup = false;
this.reactMountReady = CallbackQueue.getPooled(null);
this.useCreateElement = useCreateElement;
}n/a
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 props = this._currentElement.props;
var returnValue = LinkedValueUtils.executeOnChange(props, event);
// Here we use asap to wait until all updates have propagated, which
// is important when using controlled components within layers:
// https://github.com/facebook/react/issues/1698
ReactUpdates.asap(forceUpdateIfMounted, this);
var name = props.name;
if (props.type === 'radio' && name != null) {
var rootNode = ReactDOMComponentTree.getNodeFromInstance(this);
var queryRoot = rootNode;
while (queryRoot.parentNode) {
...function batchedUpdates(callback, a, b, c, d, e) {
ensureInjected();
return batchingStrategy.batchedUpdates(callback, a, b, c, d, e);
}...
//
// 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.
ReactUpdates.batchedUpdates(runEventInBatch, event);
}
function runEventInBatch(event) {
EventPluginHub.enqueueEvents(event);
EventPluginHub.processEventQueue(false);
}
...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;
}
}...
var ReactInstrumentation = require('./ReactInstrumentation');
var ReactUpdates = require('./ReactUpdates');
var invariant = require('fbjs/lib/invariant');
var warning = require('fbjs/lib/warning');
function enqueueUpdate(internalInstance) {
ReactUpdates.enqueueUpdate(internalInstance);
}
function formatUnexpectedArgument(arg) {
var type = typeof arg;
if (type !== 'object') {
return type;
}
...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);
}
}
}n/a
_getResponderID = function () {
return responderInst ? responderInst._rootNodeID : null;
}n/a
extractEvents = function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
if (isStartish(topLevelType)) {
trackedTouchCount += 1;
} else if (isEndish(topLevelType)) {
if (trackedTouchCount >= 0) {
trackedTouchCount -= 1;
} else {
console.error('Ended a touch event which was not counted in `trackedTouchCount`.');
return null;
}
}
ResponderTouchHistoryStore.recordTouchTrack(topLevelType, nativeEvent);
var extracted = canTriggerTransfer(topLevelType, targetInst, nativeEvent) ? setResponderAndExtractTransfer(topLevelType, targetInst
, nativeEvent, nativeEventTarget) : null;
// Responder may or may not have transferred on a new touch start/move.
// Regardless, whoever is the responder after any potential transfer, we
// direct all touch start/move/ends to them in the form of
// `onResponderMove/Start/End`. These will be called for *every* additional
// finger that move/start/end, dispatched directly to whoever is the
// current responder at that moment, until the responder is "released".
//
// These multiple individual change touch events are are always bookended
// by `onResponderGrant`, and one of
// (`onResponderRelease/onResponderTerminate`).
var isResponderTouchStart = responderInst && isStartish(topLevelType);
var isResponderTouchMove = responderInst && isMoveish(topLevelType);
var isResponderTouchEnd = responderInst && isEndish(topLevelType);
var incrementalTouch = isResponderTouchStart ? eventTypes.responderStart : isResponderTouchMove ? eventTypes.responderMove : isResponderTouchEnd
? eventTypes.responderEnd : null;
if (incrementalTouch) {
var gesture = ResponderSyntheticEvent.getPooled(incrementalTouch, responderInst, nativeEvent, nativeEventTarget);
gesture.touchHistory = ResponderTouchHistoryStore.touchHistory;
EventPropagators.accumulateDirectDispatches(gesture);
extracted = accumulate(extracted, gesture);
}
var isResponderTerminate = responderInst && topLevelType === 'topTouchCancel';
var isResponderRelease = responderInst && !isResponderTerminate && isEndish(topLevelType) && noResponderTouches(nativeEvent);
var finalTouch = isResponderTerminate ? eventTypes.responderTerminate : isResponderRelease ? eventTypes.responderRelease : null
;
if (finalTouch) {
var finalEvent = ResponderSyntheticEvent.getPooled(finalTouch, responderInst, nativeEvent, nativeEventTarget);
finalEvent.touchHistory = ResponderTouchHistoryStore.touchHistory;
EventPropagators.accumulateDirectDispatches(finalEvent);
extracted = accumulate(extracted, finalEvent);
changeResponder(null);
}
var numberActiveTouches = ResponderTouchHistoryStore.touchHistory.numberActiveTouches;
if (ResponderEventPlugin.GlobalInteractionHandler && numberActiveTouches !== previousActiveTouches) {
ResponderEventPlugin.GlobalInteractionHandler.onChange(numberActiveTouches);
}
previousActiveTouches = numberActiveTouches;
return extracted;
}...
extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var events;
var plugins = EventPluginRegistry.plugins;
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 ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
augmentClass = function (Class, Interface) {
var Super = this;
var E = function () {};
E.prototype = Super.prototype;
var prototype = new E();
_assign(prototype, Class.prototype);
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.Interface = _assign({}, Super.Interface, Interface);
Class.augmentClass = Super.augmentClass;
PooledClass.addPoolingTo(Class, PooledClass.fourArgumentPooler);
}...
* @param {object} nativeEvent Native event.
* @extends {SyntheticEvent}
*/
function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}
SyntheticEvent.augmentClass(ResponderSyntheticEvent, ResponderEventInterface);
module.exports = ResponderSyntheticEvent;
...getPooled = function (a1, a2, a3, a4) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3, a4);
return instance;
} else {
return new Klass(a1, a2, a3, a4);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
recordTouchTrack = function (topLevelType, nativeEvent) {
if (isMoveish(topLevelType)) {
nativeEvent.changedTouches.forEach(recordTouchMove);
} else if (isStartish(topLevelType)) {
nativeEvent.changedTouches.forEach(recordTouchStart);
touchHistory.numberActiveTouches = nativeEvent.touches.length;
if (touchHistory.numberActiveTouches === 1) {
touchHistory.indexOfSingleActiveTouch = nativeEvent.touches[0].identifier;
}
} else if (isEndish(topLevelType)) {
nativeEvent.changedTouches.forEach(recordTouchEnd);
touchHistory.numberActiveTouches = nativeEvent.touches.length;
if (touchHistory.numberActiveTouches === 1) {
for (var i = 0; i < touchBank.length; i++) {
var touchTrackToCheck = touchBank[i];
if (touchTrackToCheck != null && touchTrackToCheck.touchActive) {
touchHistory.indexOfSingleActiveTouch = i;
break;
}
}
if (process.env.NODE_ENV !== 'production') {
var activeRecord = touchBank[touchHistory.indexOfSingleActiveTouch];
process.env.NODE_ENV !== 'production' ? warning(activeRecord != null && activeRecord.touchActive, 'Cannot find single active
touch.') : void 0;
}
}
}
}...
trackedTouchCount -= 1;
} else {
console.error('Ended a touch event which was not counted in `trackedTouchCount`.');
return null;
}
}
ResponderTouchHistoryStore.recordTouchTrack(topLevelType, nativeEvent);
var extracted = canTriggerTransfer(topLevelType, targetInst, nativeEvent) ? setResponderAndExtractTransfer(topLevelType, targetInst
, nativeEvent, nativeEventTarget) : null;
// Responder may or may not have transferred on a new touch start/move.
// Regardless, whoever is the responder after any potential transfer, we
// direct all touch start/move/ends to them in the form of
// `onResponderMove/Start/End`. These will be called for *every* additional
// finger that move/start/end, dispatched directly to whoever is the
...didPutListener = function (inst, registrationName, listener) {
if (registrationName === 'onSelect') {
hasListener = true;
}
}...
var key = getDictionaryKey(inst);
var bankForRegistrationName = listenerBank[registrationName] || (listenerBank[registrationName] = {});
bankForRegistrationName[key] = listener;
var PluginModule = EventPluginRegistry.registrationNameModules[registrationName];
if (PluginModule && PluginModule.didPutListener) {
PluginModule.didPutListener(inst, registrationName, listener);
}
},
/**
* @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.
...extractEvents = function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
if (!hasListener) {
return null;
}
var targetNode = targetInst ? ReactDOMComponentTree.getNodeFromInstance(targetInst) : window;
switch (topLevelType) {
// Track the input node that has focus.
case 'topFocus':
if (isTextInputElement(targetNode) || targetNode.contentEditable === 'true') {
activeElement = targetNode;
activeElementInst = targetInst;
lastSelection = null;
}
break;
case 'topBlur':
activeElement = null;
activeElementInst = null;
lastSelection = null;
break;
// Don't fire the event while the user is dragging. This matches the
// semantics of the native select event.
case 'topMouseDown':
mouseDown = true;
break;
case 'topContextMenu':
case 'topMouseUp':
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 'topSelectionChange':
if (skipSelectionChangeEvent) {
break;
}
// falls through
case 'topKeyDown':
case 'topKeyUp':
return constructSelectEvent(nativeEvent, nativeEventTarget);
}
return null;
}...
extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var events;
var plugins = EventPluginRegistry.plugins;
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;
},
...didPutListener = function (inst, registrationName, listener) {
// 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
if (registrationName === 'onClick' && !isInteractive(inst._tag)) {
var key = getDictionaryKey(inst);
var node = ReactDOMComponentTree.getNodeFromInstance(inst);
if (!onClickListeners[key]) {
onClickListeners[key] = EventListener.listen(node, 'click', emptyFunction);
}
}
}...
var key = getDictionaryKey(inst);
var bankForRegistrationName = listenerBank[registrationName] || (listenerBank[registrationName] = {});
bankForRegistrationName[key] = listener;
var PluginModule = EventPluginRegistry.registrationNameModules[registrationName];
if (PluginModule && PluginModule.didPutListener) {
PluginModule.didPutListener(inst, registrationName, listener);
}
},
/**
* @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.
...extractEvents = function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var dispatchConfig = topLevelEventsToDispatchConfig[topLevelType];
if (!dispatchConfig) {
return null;
}
var EventConstructor;
switch (topLevelType) {
case 'topAbort':
case 'topCanPlay':
case 'topCanPlayThrough':
case 'topDurationChange':
case 'topEmptied':
case 'topEncrypted':
case 'topEnded':
case 'topError':
case 'topInput':
case 'topInvalid':
case 'topLoad':
case 'topLoadedData':
case 'topLoadedMetadata':
case 'topLoadStart':
case 'topPause':
case 'topPlay':
case 'topPlaying':
case 'topProgress':
case 'topRateChange':
case 'topReset':
case 'topSeeked':
case 'topSeeking':
case 'topStalled':
case 'topSubmit':
case 'topSuspend':
case 'topTimeUpdate':
case 'topVolumeChange':
case 'topWaiting':
// HTML Events
// @see http://www.w3.org/TR/html5/index.html#events-0
EventConstructor = SyntheticEvent;
break;
case 'topKeyPress':
// 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 'topKeyDown':
case 'topKeyUp':
EventConstructor = SyntheticKeyboardEvent;
break;
case 'topBlur':
case 'topFocus':
EventConstructor = SyntheticFocusEvent;
break;
case 'topClick':
// Firefox creates a click event on right mouse clicks. This removes the
// unwanted click events.
if (nativeEvent.button === 2) {
return null;
}
/* falls through */
case 'topDoubleClick':
case 'topMouseDown':
case 'topMouseMove':
case 'topMouseUp':
// TODO: Disabled elements should not respond to mouse events
/* falls through */
case 'topMouseOut':
case 'topMouseOver':
case 'topContextMenu':
EventConstructor = SyntheticMouseEvent;
break;
case 'topDrag':
case 'topDragEnd':
case 'topDragEnter':
case 'topDragExit':
case 'topDragLeave':
case 'topDragOver':
case 'topDragStart':
case 'topDrop':
EventConstructor = SyntheticDragEvent;
break;
case 'topTouchCancel':
case 'topTouchEnd':
case 'topTouchMove':
case 'topTouchStart':
EventConstructor = SyntheticTouchEvent;
break;
case 'topAnimationEnd':
case 'topAnimationIteration':
case 'topAnimationStart':
EventConstructor = SyntheticAnimationEvent;
break;
case 'topTransitionEnd':
EventConstructor = SyntheticTransitionEvent;
break;
case 'topScroll':
EventConstructor = SyntheticUIEvent;
break;
case 'topWheel':
EventConstructor = SyntheticWheelEvent;
break;
case 'topCopy':
case 'topCut':
case 'topPaste':
EventConstructor = SyntheticClipboardEvent;
break;
}
!EventConstructor ? process.env.NODE_ENV !== 'production' ? invariant(false, 'SimpleEventPlugin: Unhandled event type, `%s`.',
topLevelType) : _prodInvariant('86', topLevelType) : void 0;
var event = EventConstructor.getPooled(dispatchConfig, targetInst, nativeEvent, nativeEventTarget);
EventPropagators.accumulateTwoPhaseDispatches(event);
return event;
}...
extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var events;
var plugins = EventPluginRegistry.plugins;
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;
},
...willDeleteListener = function (inst, registrationName) {
if (registrationName === 'onClick' && !isInteractive(inst._tag)) {
var key = getDictionaryKey(inst);
onClickListeners[key].remove();
delete onClickListeners[key];
}
}...
*
* @param {object} inst The instance, which is the source of events.
* @param {string} registrationName Name of listener (e.g. `onClick`).
*/
deleteListener: function (inst, registrationName) {
var PluginModule = EventPluginRegistry.registrationNameModules[registrationName];
if (PluginModule && PluginModule.willDeleteListener) {
PluginModule.willDeleteListener(inst, registrationName);
}
var bankForRegistrationName = listenerBank[registrationName];
// TODO: This should never be null -- when is it?
if (bankForRegistrationName) {
var key = getDictionaryKey(inst);
delete bankForRegistrationName[key];
...function SyntheticAnimationEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
augmentClass = function (Class, Interface) {
var Super = this;
var E = function () {};
E.prototype = Super.prototype;
var prototype = new E();
_assign(prototype, Class.prototype);
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.Interface = _assign({}, Super.Interface, Interface);
Class.augmentClass = Super.augmentClass;
PooledClass.addPoolingTo(Class, PooledClass.fourArgumentPooler);
}...
* @param {object} nativeEvent Native event.
* @extends {SyntheticEvent}
*/
function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}
SyntheticEvent.augmentClass(ResponderSyntheticEvent, ResponderEventInterface);
module.exports = ResponderSyntheticEvent;
...getPooled = function (a1, a2, a3, a4) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3, a4);
return instance;
} else {
return new Klass(a1, a2, a3, a4);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...function SyntheticAnimationEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticClipboardEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
augmentClass = function (Class, Interface) {
var Super = this;
var E = function () {};
E.prototype = Super.prototype;
var prototype = new E();
_assign(prototype, Class.prototype);
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.Interface = _assign({}, Super.Interface, Interface);
Class.augmentClass = Super.augmentClass;
PooledClass.addPoolingTo(Class, PooledClass.fourArgumentPooler);
}...
* @param {object} nativeEvent Native event.
* @extends {SyntheticEvent}
*/
function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}
SyntheticEvent.augmentClass(ResponderSyntheticEvent, ResponderEventInterface);
module.exports = ResponderSyntheticEvent;
...getPooled = function (a1, a2, a3, a4) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3, a4);
return instance;
} else {
return new Klass(a1, a2, a3, a4);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...function SyntheticClipboardEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticCompositionEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
augmentClass = function (Class, Interface) {
var Super = this;
var E = function () {};
E.prototype = Super.prototype;
var prototype = new E();
_assign(prototype, Class.prototype);
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.Interface = _assign({}, Super.Interface, Interface);
Class.augmentClass = Super.augmentClass;
PooledClass.addPoolingTo(Class, PooledClass.fourArgumentPooler);
}...
* @param {object} nativeEvent Native event.
* @extends {SyntheticEvent}
*/
function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}
SyntheticEvent.augmentClass(ResponderSyntheticEvent, ResponderEventInterface);
module.exports = ResponderSyntheticEvent;
...getPooled = function (a1, a2, a3, a4) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3, a4);
return instance;
} else {
return new Klass(a1, a2, a3, a4);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...function SyntheticCompositionEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticDragEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticMouseEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
augmentClass = function (Class, Interface) {
var Super = this;
var E = function () {};
E.prototype = Super.prototype;
var prototype = new E();
_assign(prototype, Class.prototype);
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.Interface = _assign({}, Super.Interface, Interface);
Class.augmentClass = Super.augmentClass;
PooledClass.addPoolingTo(Class, PooledClass.fourArgumentPooler);
}...
* @param {object} nativeEvent Native event.
* @extends {SyntheticEvent}
*/
function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}
SyntheticEvent.augmentClass(ResponderSyntheticEvent, ResponderEventInterface);
module.exports = ResponderSyntheticEvent;
...getPooled = function (a1, a2, a3, a4) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3, a4);
return instance;
} else {
return new Klass(a1, a2, a3, a4);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...function SyntheticDragEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticMouseEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
n/a
n/a
augmentClass = function (Class, Interface) {
var Super = this;
var E = function () {};
E.prototype = Super.prototype;
var prototype = new E();
_assign(prototype, Class.prototype);
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.Interface = _assign({}, Super.Interface, Interface);
Class.augmentClass = Super.augmentClass;
PooledClass.addPoolingTo(Class, PooledClass.fourArgumentPooler);
}...
* @param {object} nativeEvent Native event.
* @extends {SyntheticEvent}
*/
function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}
SyntheticEvent.augmentClass(ResponderSyntheticEvent, ResponderEventInterface);
module.exports = ResponderSyntheticEvent;
...getPooled = function (a1, a2, a3, a4) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3, a4);
return instance;
} else {
return new Klass(a1, a2, a3, a4);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...destructor = function () {
var Interface = this.constructor.Interface;
for (var propName in Interface) {
if (process.env.NODE_ENV !== 'production') {
Object.defineProperty(this, propName, getPooledWarningPropertyDefinition(propName, Interface[propName]));
} else {
this[propName] = null;
}
}
for (var i = 0; i < shouldBeReleasedProperties.length; i++) {
this[shouldBeReleasedProperties[i]] = null;
}
if (process.env.NODE_ENV !== 'production') {
Object.defineProperty(this, 'nativeEvent', getPooledWarningPropertyDefinition('nativeEvent', null));
Object.defineProperty(this, 'preventDefault', getPooledWarningPropertyDefinition('preventDefault', emptyFunction));
Object.defineProperty(this, 'stopPropagation', getPooledWarningPropertyDefinition('stopPropagation', emptyFunction));
}
}...
return new Klass(a1, a2, a3, a4);
}
};
var standardReleaser = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance
into a pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
};
var DEFAULT_POOL_SIZE = 10;
var DEFAULT_POOLER = oneArgumentPooler;
...isPersistent = function () {
return arg;
}...
* @param {boolean} simulated If the event is simulated (changes exn behavior)
* @private
*/
var executeDispatchesAndRelease = function (event, simulated) {
if (event) {
EventPluginUtils.executeDispatchesInOrder(event, simulated);
if (!event.isPersistent()) {
event.constructor.release(event);
}
}
};
var executeDispatchesAndReleaseSimulated = function (e) {
return executeDispatchesAndRelease(e, true);
};
...persist = function () {
this.isPersistent = emptyFunction.thatReturnsTrue;
}...
fakeNativeEvent.type = eventType.toLowerCase();
// We don't use SyntheticEvent.getPooled in order to not have to worry about
// properly destroying any properties assigned from `eventData` upon release
var event = new SyntheticEvent(dispatchConfig, ReactDOMComponentTree.getInstanceFromNode(node), fakeNativeEvent, node);
// Since we aren't using pooling, always persist the event. This will make
// sure it's marked and won't warn when setting additional properties.
event.persist();
_assign(event, eventData);
if (dispatchConfig.phasedRegistrationNames) {
EventPropagators.accumulateTwoPhaseDispatches(event);
} else {
EventPropagators.accumulateDirectDispatches(event);
}
...preventDefault = function () {
this.defaultPrevented = true;
var event = this.nativeEvent;
if (!event) {
return;
}
if (event.preventDefault) {
event.preventDefault();
} else if (typeof event.returnValue !== 'unknown') {
// eslint-disable-line valid-typeof
event.returnValue = false;
}
this.isDefaultPrevented = emptyFunction.thatReturnsTrue;
}...
this.defaultPrevented = true;
var event = this.nativeEvent;
if (!event) {
return;
}
if (event.preventDefault) {
event.preventDefault();
} else if (typeof event.returnValue !== 'unknown') {
// eslint-disable-line valid-typeof
event.returnValue = false;
}
this.isDefaultPrevented = emptyFunction.thatReturnsTrue;
},
...stopPropagation = function () {
var event = this.nativeEvent;
if (!event) {
return;
}
if (event.stopPropagation) {
event.stopPropagation();
} else if (typeof event.cancelBubble !== 'unknown') {
// eslint-disable-line valid-typeof
// The ChangeEventPlugin registers a "propertychange" event for
// IE. This event does not support bubbling or cancelling, and
// any references to cancelBubble throw "Member not found". A
// typeof check of "unknown" circumvents this issue (and is also
// IE specific).
event.cancelBubble = true;
}
this.isPropagationStopped = emptyFunction.thatReturnsTrue;
}...
stopPropagation: function () {
var event = this.nativeEvent;
if (!event) {
return;
}
if (event.stopPropagation) {
event.stopPropagation();
} else if (typeof event.cancelBubble !== 'unknown') {
// eslint-disable-line valid-typeof
// 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).
...function SyntheticFocusEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
augmentClass = function (Class, Interface) {
var Super = this;
var E = function () {};
E.prototype = Super.prototype;
var prototype = new E();
_assign(prototype, Class.prototype);
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.Interface = _assign({}, Super.Interface, Interface);
Class.augmentClass = Super.augmentClass;
PooledClass.addPoolingTo(Class, PooledClass.fourArgumentPooler);
}...
* @param {object} nativeEvent Native event.
* @extends {SyntheticEvent}
*/
function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}
SyntheticEvent.augmentClass(ResponderSyntheticEvent, ResponderEventInterface);
module.exports = ResponderSyntheticEvent;
...getPooled = function (a1, a2, a3, a4) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3, a4);
return instance;
} else {
return new Klass(a1, a2, a3, a4);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...function SyntheticFocusEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticInputEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
augmentClass = function (Class, Interface) {
var Super = this;
var E = function () {};
E.prototype = Super.prototype;
var prototype = new E();
_assign(prototype, Class.prototype);
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.Interface = _assign({}, Super.Interface, Interface);
Class.augmentClass = Super.augmentClass;
PooledClass.addPoolingTo(Class, PooledClass.fourArgumentPooler);
}...
* @param {object} nativeEvent Native event.
* @extends {SyntheticEvent}
*/
function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}
SyntheticEvent.augmentClass(ResponderSyntheticEvent, ResponderEventInterface);
module.exports = ResponderSyntheticEvent;
...getPooled = function (a1, a2, a3, a4) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3, a4);
return instance;
} else {
return new Klass(a1, a2, a3, a4);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...function SyntheticInputEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticKeyboardEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
augmentClass = function (Class, Interface) {
var Super = this;
var E = function () {};
E.prototype = Super.prototype;
var prototype = new E();
_assign(prototype, Class.prototype);
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.Interface = _assign({}, Super.Interface, Interface);
Class.augmentClass = Super.augmentClass;
PooledClass.addPoolingTo(Class, PooledClass.fourArgumentPooler);
}...
* @param {object} nativeEvent Native event.
* @extends {SyntheticEvent}
*/
function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}
SyntheticEvent.augmentClass(ResponderSyntheticEvent, ResponderEventInterface);
module.exports = ResponderSyntheticEvent;
...getPooled = function (a1, a2, a3, a4) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3, a4);
return instance;
} else {
return new Klass(a1, a2, a3, a4);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...function SyntheticKeyboardEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticMouseEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
augmentClass = function (Class, Interface) {
var Super = this;
var E = function () {};
E.prototype = Super.prototype;
var prototype = new E();
_assign(prototype, Class.prototype);
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.Interface = _assign({}, Super.Interface, Interface);
Class.augmentClass = Super.augmentClass;
PooledClass.addPoolingTo(Class, PooledClass.fourArgumentPooler);
}...
* @param {object} nativeEvent Native event.
* @extends {SyntheticEvent}
*/
function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}
SyntheticEvent.augmentClass(ResponderSyntheticEvent, ResponderEventInterface);
module.exports = ResponderSyntheticEvent;
...getPooled = function (a1, a2, a3, a4) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3, a4);
return instance;
} else {
return new Klass(a1, a2, a3, a4);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...function SyntheticMouseEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticTouchEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
augmentClass = function (Class, Interface) {
var Super = this;
var E = function () {};
E.prototype = Super.prototype;
var prototype = new E();
_assign(prototype, Class.prototype);
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.Interface = _assign({}, Super.Interface, Interface);
Class.augmentClass = Super.augmentClass;
PooledClass.addPoolingTo(Class, PooledClass.fourArgumentPooler);
}...
* @param {object} nativeEvent Native event.
* @extends {SyntheticEvent}
*/
function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}
SyntheticEvent.augmentClass(ResponderSyntheticEvent, ResponderEventInterface);
module.exports = ResponderSyntheticEvent;
...getPooled = function (a1, a2, a3, a4) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3, a4);
return instance;
} else {
return new Klass(a1, a2, a3, a4);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...function SyntheticTouchEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticTransitionEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
augmentClass = function (Class, Interface) {
var Super = this;
var E = function () {};
E.prototype = Super.prototype;
var prototype = new E();
_assign(prototype, Class.prototype);
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.Interface = _assign({}, Super.Interface, Interface);
Class.augmentClass = Super.augmentClass;
PooledClass.addPoolingTo(Class, PooledClass.fourArgumentPooler);
}...
* @param {object} nativeEvent Native event.
* @extends {SyntheticEvent}
*/
function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}
SyntheticEvent.augmentClass(ResponderSyntheticEvent, ResponderEventInterface);
module.exports = ResponderSyntheticEvent;
...getPooled = function (a1, a2, a3, a4) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3, a4);
return instance;
} else {
return new Klass(a1, a2, a3, a4);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...function SyntheticTransitionEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticUIEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
augmentClass = function (Class, Interface) {
var Super = this;
var E = function () {};
E.prototype = Super.prototype;
var prototype = new E();
_assign(prototype, Class.prototype);
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.Interface = _assign({}, Super.Interface, Interface);
Class.augmentClass = Super.augmentClass;
PooledClass.addPoolingTo(Class, PooledClass.fourArgumentPooler);
}...
* @param {object} nativeEvent Native event.
* @extends {SyntheticEvent}
*/
function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}
SyntheticEvent.augmentClass(ResponderSyntheticEvent, ResponderEventInterface);
module.exports = ResponderSyntheticEvent;
...getPooled = function (a1, a2, a3, a4) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3, a4);
return instance;
} else {
return new Klass(a1, a2, a3, a4);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...function SyntheticUIEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
function SyntheticWheelEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticMouseEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
augmentClass = function (Class, Interface) {
var Super = this;
var E = function () {};
E.prototype = Super.prototype;
var prototype = new E();
_assign(prototype, Class.prototype);
Class.prototype = prototype;
Class.prototype.constructor = Class;
Class.Interface = _assign({}, Super.Interface, Interface);
Class.augmentClass = Super.augmentClass;
PooledClass.addPoolingTo(Class, PooledClass.fourArgumentPooler);
}...
* @param {object} nativeEvent Native event.
* @extends {SyntheticEvent}
*/
function ResponderSyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}
SyntheticEvent.augmentClass(ResponderSyntheticEvent, ResponderEventInterface);
module.exports = ResponderSyntheticEvent;
...getPooled = function (a1, a2, a3, a4) {
var Klass = this;
if (Klass.instancePool.length) {
var instance = Klass.instancePool.pop();
Klass.call(instance, a1, a2, a3, a4);
return instance;
} else {
return new Klass(a1, a2, a3, a4);
}
}...
return null;
}
if (useFallbackCompositionData) {
// The current composition is stored statically and must not be
// overwritten while composition continues.
if (!currentComposition && eventType === eventTypes.compositionStart) {
currentComposition = FallbackCompositionState.getPooled(nativeEventTarget);
} else if (eventType === eventTypes.compositionEnd) {
if (currentComposition) {
fallbackData = currentComposition.getData();
}
}
}
...release = function (instance) {
var Klass = this;
!(instance instanceof Klass) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Trying to release an instance into a
pool of a different type.') : _prodInvariant('25') : void 0;
instance.destructor();
if (Klass.instancePool.length < Klass.poolSize) {
Klass.instancePool.push(instance);
}
}...
// 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 (currentComposition) {
if (topLevelType === 'topCompositionEnd' || !canUseCompositionEvent && isFallbackCompositionEnd(topLevelType
, nativeEvent)) {
var chars = currentComposition.getData();
FallbackCompositionState.release(currentComposition);
currentComposition = null;
return chars;
}
return null;
}
switch (topLevelType) {
...function SyntheticWheelEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) {
return SyntheticMouseEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget);
}n/a
extractEvents = function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
if (!isStartish(topLevelType) && !isEndish(topLevelType)) {
return null;
}
// on ios, there is a delay after touch event and synthetic
// mouse events, so that user can perform double tap
// solution: ignore mouse events following touchevent within small timeframe
if (touchEvents.indexOf(topLevelType) !== -1) {
usedTouch = true;
usedTouchTime = Date.now();
} else {
if (usedTouch && Date.now() - usedTouchTime < TOUCH_DELAY) {
return null;
}
}
var event = null;
var distance = getDistance(startCoords, nativeEvent);
if (isEndish(topLevelType) && distance < tapMoveThreshold) {
event = SyntheticUIEvent.getPooled(eventTypes.touchTap, targetInst, nativeEvent, nativeEventTarget);
}
if (isStartish(topLevelType)) {
startCoords.x = getAxisCoordOfEvent(Axis.x, nativeEvent);
startCoords.y = getAxisCoordOfEvent(Axis.y, nativeEvent);
} else if (isEndish(topLevelType)) {
startCoords.x = 0;
startCoords.y = 0;
}
EventPropagators.accumulateTwoPhaseDispatches(event);
return event;
}...
extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {
var events;
var plugins = EventPluginRegistry.plugins;
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;
},
...centroidDimension = function (touchHistory, touchesChangedAfter, isXAxis, ofCurrent) {
var touchBank = touchHistory.touchBank;
var total = 0;
var count = 0;
var oneTouchData = touchHistory.numberActiveTouches === 1 ? touchHistory.touchBank[touchHistory.indexOfSingleActiveTouch] : null
;
if (oneTouchData !== null) {
if (oneTouchData.touchActive && oneTouchData.currentTimeStamp > touchesChangedAfter) {
total += ofCurrent && isXAxis ? oneTouchData.currentPageX : ofCurrent && !isXAxis ? oneTouchData.currentPageY : !ofCurrent
&& isXAxis ? oneTouchData.previousPageX : oneTouchData.previousPageY;
count = 1;
}
} else {
for (var i = 0; i < touchBank.length; i++) {
var touchTrack = touchBank[i];
if (touchTrack !== null && touchTrack !== undefined && touchTrack.touchActive && touchTrack.currentTimeStamp >= touchesChangedAfter
) {
var toAdd; // Yuck, program temporarily in invalid state.
if (ofCurrent && isXAxis) {
toAdd = touchTrack.currentPageX;
} else if (ofCurrent && !isXAxis) {
toAdd = touchTrack.currentPageY;
} else if (!ofCurrent && isXAxis) {
toAdd = touchTrack.previousPageX;
} else {
toAdd = touchTrack.previousPageY;
}
total += toAdd;
count++;
}
}
}
return count > 0 ? total / count : TouchHistoryMath.noCentroid;
}...
}
}
}
return count > 0 ? total / count : TouchHistoryMath.noCentroid;
},
currentCentroidXOfTouchesChangedAfter: function (touchHistory, touchesChangedAfter) {
return TouchHistoryMath.centroidDimension(touchHistory, touchesChangedAfter, true, //
isXAxis
true // ofCurrent
);
},
currentCentroidYOfTouchesChangedAfter: function (touchHistory, touchesChangedAfter) {
return TouchHistoryMath.centroidDimension(touchHistory, touchesChangedAfter, false, // isXAxis
true // ofCurrent
...currentCentroidX = function (touchHistory) {
return TouchHistoryMath.centroidDimension(touchHistory, 0, // touchesChangedAfter
true, // isXAxis
true // ofCurrent
);
}n/a
currentCentroidXOfTouchesChangedAfter = function (touchHistory, touchesChangedAfter) {
return TouchHistoryMath.centroidDimension(touchHistory, touchesChangedAfter, true, // isXAxis
true // ofCurrent
);
}n/a
currentCentroidY = function (touchHistory) {
return TouchHistoryMath.centroidDimension(touchHistory, 0, // touchesChangedAfter
false, // isXAxis
true // ofCurrent
);
}n/a
currentCentroidYOfTouchesChangedAfter = function (touchHistory, touchesChangedAfter) {
return TouchHistoryMath.centroidDimension(touchHistory, touchesChangedAfter, false, // isXAxis
true // ofCurrent
);
}n/a
previousCentroidXOfTouchesChangedAfter = function (touchHistory, touchesChangedAfter) {
return TouchHistoryMath.centroidDimension(touchHistory, touchesChangedAfter, true, // isXAxis
false // ofCurrent
);
}n/a
previousCentroidYOfTouchesChangedAfter = function (touchHistory, touchesChangedAfter) {
return TouchHistoryMath.centroidDimension(touchHistory, touchesChangedAfter, false, // isXAxis
false // ofCurrent
);
}n/a
closeAll = function (startIndex) {
!this.isInTransaction() ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Transaction.closeAll(): Cannot close transaction
when none are open.') : _prodInvariant('28') : void 0;
var transactionWrappers = this.transactionWrappers;
for (var i = startIndex; i < transactionWrappers.length; i++) {
var wrapper = transactionWrappers[i];
var initData = this.wrapperInitData[i];
var errorThrown;
try {
// Catching errors makes debugging more difficult, so we start with
// errorThrown set to true before setting it to false after calling
// close -- if it's still set to true in the finally block, it means
// wrapper.close threw.
errorThrown = true;
if (initData !== OBSERVED_ERROR && wrapper.close) {
wrapper.close.call(this, initData);
}
errorThrown = false;
} finally {
if (errorThrown) {
// The closer for wrapper i threw an error; close the remaining
// wrappers but silence any exceptions from them to ensure that the
// first error is the one to bubble up.
try {
this.closeAll(i + 1);
} catch (e) {}
}
}
}
this.wrapperInitData.length = 0;
}...
errorThrown = false;
} finally {
try {
if (errorThrown) {
// If `method` throws, prefer to show that stack trace over any thrown
// by invoking `closeAll`.
try {
this.closeAll(0);
} catch (err) {}
} else {
// Since `method` didn't throw, we don't want to silence the exception
// here.
this.closeAll(0);
}
} finally {
...initializeAll = function (startIndex) {
var transactionWrappers = this.transactionWrappers;
for (var i = startIndex; i < transactionWrappers.length; i++) {
var wrapper = transactionWrappers[i];
try {
// Catching errors makes debugging more difficult, so we start with the
// OBSERVED_ERROR state before overwriting it with the real return value
// of initialize -- if it's still set to OBSERVED_ERROR in the finally
// block, it means wrapper.initialize threw.
this.wrapperInitData[i] = OBSERVED_ERROR;
this.wrapperInitData[i] = wrapper.initialize ? wrapper.initialize.call(this) : null;
} finally {
if (this.wrapperInitData[i] === OBSERVED_ERROR) {
// The initializer for wrapper i threw an error; initialize the
// remaining wrappers but silence any exceptions from them to ensure
// that the first error is the one to bubble up.
try {
this.initializeAll(i + 1);
} catch (err) {}
}
}
}
}...
try {
this._isInTransaction = true;
// Catching errors makes debugging more difficult, so we start with
// errorThrown set to true before setting it to false after calling
// close -- if it's still set to true in the finally block, it means
// one of these calls threw.
errorThrown = true;
this.initializeAll(0);
ret = method.call(scope, a, b, c, d, e, f);
errorThrown = false;
} finally {
try {
if (errorThrown) {
// If `method` throws, prefer to show that stack trace over any thrown
// by invoking `closeAll`.
...isInTransaction = function () {
return !!this._isInTransaction;
}...
* @param {ReactClass} publicInstance The instance to use as `this` context.
* @param {?function} callback Called after state is updated.
* @internal
*/
ReactServerUpdateQueue.prototype.enqueueCallback = function enqueueCallback(publicInstance, callback, callerName) {
if (this.transaction.isInTransaction()) {
ReactUpdateQueue.enqueueCallback(publicInstance, callback, callerName);
}
};
/**
* Forces an update. This should only be invoked when it is known with
* certainty that we are **not** in a DOM transaction.
...perform = function (method, scope, a, b, c, d, e, f) {
!!this.isInTransaction() ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Transaction.perform(...): Cannot initialize
a transaction when there is already an outstanding transaction.') : _prodInvariant('27') : void 0;
var errorThrown;
var ret;
try {
this._isInTransaction = true;
// Catching errors makes debugging more difficult, so we start with
// errorThrown set to true before setting it to false after calling
// close -- if it's still set to true in the finally block, it means
// one of these calls threw.
errorThrown = true;
this.initializeAll(0);
ret = method.call(scope, a, b, c, d, e, f);
errorThrown = false;
} finally {
try {
if (errorThrown) {
// If `method` throws, prefer to show that stack trace over any thrown
// by invoking `closeAll`.
try {
this.closeAll(0);
} catch (err) {}
} else {
// Since `method` didn't throw, we don't want to silence the exception
// here.
this.closeAll(0);
}
} finally {
this._isInTransaction = false;
}
}
return ret;
}...
ReactDefaultBatchingStrategy.isBatchingUpdates = true;
// The code is written this way to avoid extra allocations
if (alreadyBatchingUpdates) {
return callback(a, b, c, d, e);
} else {
return transaction.perform(callback, null, a, b, c, d, e);
}
}
};
module.exports = ReactDefaultBatchingStrategy;
...reinitializeTransaction = function () {
this.transactionWrappers = this.getTransactionWrappers();
if (this.wrapperInitData) {
this.wrapperInitData.length = 0;
} else {
this.wrapperInitData = [];
}
this._isInTransaction = false;
}...
initialize: emptyFunction,
close: ReactUpdates.flushBatchedUpdates.bind(ReactUpdates)
};
var TRANSACTION_WRAPPERS = [FLUSH_BATCHED_UPDATES, RESET_BATCHED_UPDATES];
function ReactDefaultBatchingStrategyTransaction() {
this.reinitializeTransaction();
}
_assign(ReactDefaultBatchingStrategyTransaction.prototype, Transaction, {
getTransactionWrappers: function () {
return TRANSACTION_WRAPPERS;
}
});
...refreshScrollValues = function (scrollPosition) {
ViewportMetrics.currentScrollLeft = scrollPosition.x;
ViewportMetrics.currentScrollTop = scrollPosition.y;
}n/a
validateDOMNesting = function (childTag, childText, childInstance, ancestorInfo) {
ancestorInfo = ancestorInfo || emptyAncestorInfo;
var parentInfo = ancestorInfo.current;
var parentTag = parentInfo && parentInfo.tag;
if (childText != null) {
process.env.NODE_ENV !== 'production' ? warning(childTag == null, 'validateDOMNesting: when childText is passed, childTag should
be null') : void 0;
childTag = '#text';
}
var invalidParent = isTagValidWithParent(childTag, parentTag) ? null : parentInfo;
var invalidAncestor = invalidParent ? null : findInvalidAncestorForTag(childTag, ancestorInfo);
var problematic = invalidParent || invalidAncestor;
if (problematic) {
var ancestorTag = problematic.tag;
var ancestorInstance = problematic.instance;
var childOwner = childInstance && childInstance._currentElement._owner;
var ancestorOwner = ancestorInstance && ancestorInstance._currentElement._owner;
var childOwners = findOwnerStack(childOwner);
var ancestorOwners = findOwnerStack(ancestorOwner);
var minStackLen = Math.min(childOwners.length, ancestorOwners.length);
var i;
var deepestCommon = -1;
for (i = 0; i < minStackLen; i++) {
if (childOwners[i] === ancestorOwners[i]) {
deepestCommon = i;
} else {
break;
}
}
var UNKNOWN = '(unknown)';
var childOwnerNames = childOwners.slice(deepestCommon + 1).map(function (inst) {
return inst.getName() || UNKNOWN;
});
var ancestorOwnerNames = ancestorOwners.slice(deepestCommon + 1).map(function (inst) {
return inst.getName() || UNKNOWN;
});
var ownerInfo = [].concat(
// If the parent and child instances have a common owner ancestor, start
// with that -- otherwise we just start with the parent's owners.
deepestCommon !== -1 ? childOwners[deepestCommon].getName() || UNKNOWN : [], ancestorOwnerNames, ancestorTag,
// If we're warning about an invalid (non-parent) ancestry, add '...'
invalidAncestor ? ['...'] : [], childOwnerNames, childTag).join(' > ');
var warnKey = !!invalidParent + '|' + childTag + '|' + ancestorTag + '|' + ownerInfo;
if (didWarn[warnKey]) {
return;
}
didWarn[warnKey] = true;
var tagDisplayName = childTag;
var whitespaceInfo = '';
if (childTag === '#text') {
if (/\S/.test(childText)) {
tagDisplayName = 'Text nodes';
} else {
tagDisplayName = 'Whitespace text nodes';
whitespaceInfo = ' Make sure you don\'t have any extra whitespace between tags on ' + 'each line of your source code.';
}
} else {
tagDisplayName = '<' + childTag + '>';
}
if (invalidParent) {
var info = '';
if (ancestorTag === 'table' && childTag === 'tr') {
info += ' Add a <tbody> to your code to match the DOM tree generated by ' + 'the browser.';
}
process.env.NODE_ENV !== 'production' ? warning(false, 'validateDOMNesting(...): %s cannot appear as a child of <%s>.%s ' + '
See %s.%s', tagDisplayName, ancestorTag, whitespaceInfo, ownerInfo, info) : void 0;
} else {
process.env.NODE_ENV !== 'production' ? warning(false, 'validateDOMNesting(...): %s cannot appear as a descendant of ' + '<%
s>. See %s.', tagDisplayName, ancestorTag, ownerInfo) : void 0;
}
}
}n/a
isTagValidInContext = function (tag, ancestorInfo) {
ancestorInfo = ancestorInfo || emptyAncestorInfo;
var parentInfo = ancestorInfo.current;
var parentTag = parentInfo && parentInfo.tag;
return isTagValidWithParent(tag, parentTag) && !findInvalidAncestorForTag(tag, ancestorInfo);
}n/a
updatedAncestorInfo = function (oldInfo, tag, instance) {
var ancestorInfo = _assign({}, oldInfo || emptyAncestorInfo);
var info = { tag: tag, instance: instance };
if (inScopeTags.indexOf(tag) !== -1) {
ancestorInfo.aTagInScope = null;
ancestorInfo.buttonTagInScope = null;
ancestorInfo.nobrTagInScope = null;
}
if (buttonScopeTags.indexOf(tag) !== -1) {
ancestorInfo.pTagInButtonScope = null;
}
// See rules for 'li', 'dd', 'dt' start tags in
// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-inbody
if (specialTags.indexOf(tag) !== -1 && tag !== 'address' && tag !== 'div' && tag !== 'p') {
ancestorInfo.listItemTagAutoclosing = null;
ancestorInfo.dlItemTagAutoclosing = null;
}
ancestorInfo.current = info;
if (tag === 'form') {
ancestorInfo.formTag = info;
}
if (tag === 'a') {
ancestorInfo.aTagInScope = info;
}
if (tag === 'button') {
ancestorInfo.buttonTagInScope = info;
}
if (tag === 'nobr') {
ancestorInfo.nobrTagInScope = info;
}
if (tag === 'p') {
ancestorInfo.pTagInButtonScope = info;
}
if (tag === 'li') {
ancestorInfo.listItemTagAutoclosing = info;
}
if (tag === 'dd' || tag === 'dt') {
ancestorInfo.dlItemTagAutoclosing = info;
}
return ancestorInfo;
}...
parentInfo = hostContainerInfo._ancestorInfo;
}
if (parentInfo) {
// parentInfo should always be present except for the top-level
// component when server rendering
validateDOMNesting(this._tag, null, this, parentInfo);
}
this._ancestorInfo = validateDOMNesting.updatedAncestorInfo(parentInfo, this._tag,
this);
}
var mountImage;
if (transaction.useCreateElement) {
var ownerDocument = hostContainerInfo._ownerDocument;
var el;
if (namespaceURI === DOMNamespaces.html) {
...