events: convert var to let/const (#11714)

This commit is contained in:
Raphael Amorim 2017-11-30 10:07:40 -02:00 committed by Dan Abramov
parent c78db58a61
commit 2decfe97dc
14 changed files with 244 additions and 242 deletions

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@ -30,7 +30,7 @@ import type {AnyNativeEvent} from './PluginModuleType';
* Internal queue of events that have accumulated their dispatches and are
* waiting to have their dispatches executed.
*/
var eventQueue: ?(Array<ReactSyntheticEvent> | ReactSyntheticEvent) = null;
let eventQueue: ?(Array<ReactSyntheticEvent> | ReactSyntheticEvent) = null;
/**
* Dispatches an event and releases it back into the pool, unless persistent.
@ -39,7 +39,7 @@ var eventQueue: ?(Array<ReactSyntheticEvent> | ReactSyntheticEvent) = null;
* @param {boolean} simulated If the event is simulated (changes exn behavior)
* @private
*/
var executeDispatchesAndRelease = function(
const executeDispatchesAndRelease = function(
event: ReactSyntheticEvent,
simulated: boolean,
) {
@ -51,10 +51,10 @@ var executeDispatchesAndRelease = function(
}
}
};
var executeDispatchesAndReleaseSimulated = function(e) {
const executeDispatchesAndReleaseSimulated = function(e) {
return executeDispatchesAndRelease(e, true);
};
var executeDispatchesAndReleaseTopLevel = function(e) {
const executeDispatchesAndReleaseTopLevel = function(e) {
return executeDispatchesAndRelease(e, false);
};
@ -130,7 +130,7 @@ export const injection = {
* @return {?function} The stored callback.
*/
export function getListener(inst: Fiber, registrationName: string) {
var listener;
let listener;
// TODO: shouldPreventMouseEvent is DOM-specific and definitely should not
// live here; needs to be moved to a better place soon
@ -170,12 +170,12 @@ export function extractEvents(
nativeEvent: AnyNativeEvent,
nativeEventTarget: EventTarget,
) {
var events;
for (var i = 0; i < plugins.length; i++) {
let events;
for (let i = 0; i < plugins.length; i++) {
// Not every plugin in the ordering may be loaded at runtime.
var possiblePlugin: PluginModule<AnyNativeEvent> = plugins[i];
const possiblePlugin: PluginModule<AnyNativeEvent> = plugins[i];
if (possiblePlugin) {
var extractedEvents = possiblePlugin.extractEvents(
const extractedEvents = possiblePlugin.extractEvents(
topLevelType,
targetInst,
nativeEvent,
@ -212,7 +212,7 @@ export function enqueueEvents(
export function processEventQueue(simulated: boolean) {
// Set `eventQueue` to null before processing it so that we can tell if more
// events get enqueued while processing.
var processingEventQueue = eventQueue;
const processingEventQueue = eventQueue;
eventQueue = null;
if (!processingEventQueue) {

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@ -20,17 +20,17 @@ import lowPriorityWarning from 'shared/lowPriorityWarning';
type NamesToPlugins = {[key: PluginName]: PluginModule<AnyNativeEvent>};
type EventPluginOrder = null | Array<PluginName>;
var shouldWarnOnInjection = false;
let shouldWarnOnInjection = false;
/**
* Injectable ordering of event plugins.
*/
var eventPluginOrder: EventPluginOrder = null;
let eventPluginOrder: EventPluginOrder = null;
/**
* Injectable mapping from names to event plugin modules.
*/
var namesToPlugins: NamesToPlugins = {};
const namesToPlugins: NamesToPlugins = {};
export function enableWarningOnInjection() {
shouldWarnOnInjection = true;
@ -46,9 +46,9 @@ function recomputePluginOrdering(): void {
// Wait until an `eventPluginOrder` is injected.
return;
}
for (var pluginName in namesToPlugins) {
var pluginModule = namesToPlugins[pluginName];
var pluginIndex = eventPluginOrder.indexOf(pluginName);
for (const pluginName in namesToPlugins) {
const pluginModule = namesToPlugins[pluginName];
const pluginIndex = eventPluginOrder.indexOf(pluginName);
invariant(
pluginIndex > -1,
'EventPluginRegistry: Cannot inject event plugins that do not exist in ' +
@ -65,8 +65,8 @@ function recomputePluginOrdering(): void {
pluginName,
);
plugins[pluginIndex] = pluginModule;
var publishedEvents = pluginModule.eventTypes;
for (var eventName in publishedEvents) {
const publishedEvents = pluginModule.eventTypes;
for (const eventName in publishedEvents) {
invariant(
publishEventForPlugin(
publishedEvents[eventName],
@ -102,11 +102,11 @@ function publishEventForPlugin(
);
eventNameDispatchConfigs[eventName] = dispatchConfig;
var phasedRegistrationNames = dispatchConfig.phasedRegistrationNames;
const phasedRegistrationNames = dispatchConfig.phasedRegistrationNames;
if (phasedRegistrationNames) {
for (var phaseName in phasedRegistrationNames) {
for (const phaseName in phasedRegistrationNames) {
if (phasedRegistrationNames.hasOwnProperty(phaseName)) {
var phasedRegistrationName = phasedRegistrationNames[phaseName];
const phasedRegistrationName = phasedRegistrationNames[phaseName];
publishRegistrationName(
phasedRegistrationName,
pluginModule,
@ -149,7 +149,7 @@ function publishRegistrationName(
pluginModule.eventTypes[eventName].dependencies;
if (__DEV__) {
var lowerCasedName = registrationName.toLowerCase();
const lowerCasedName = registrationName.toLowerCase();
possibleRegistrationNames[lowerCasedName] = registrationName;
if (registrationName === 'onDoubleClick') {
@ -243,12 +243,12 @@ export function injectEventPluginsByName(
}
}
var isOrderingDirty = false;
for (var pluginName in injectedNamesToPlugins) {
let isOrderingDirty = false;
for (const pluginName in injectedNamesToPlugins) {
if (!injectedNamesToPlugins.hasOwnProperty(pluginName)) {
continue;
}
var pluginModule = injectedNamesToPlugins[pluginName];
const pluginModule = injectedNamesToPlugins[pluginName];
if (
!namesToPlugins.hasOwnProperty(pluginName) ||
namesToPlugins[pluginName] !== pluginModule

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@ -45,19 +45,19 @@ export function isStartish(topLevelType) {
return topLevelType === 'topMouseDown' || topLevelType === 'topTouchStart';
}
var validateEventDispatches;
let validateEventDispatches;
if (__DEV__) {
validateEventDispatches = function(event) {
var dispatchListeners = event._dispatchListeners;
var dispatchInstances = event._dispatchInstances;
const dispatchListeners = event._dispatchListeners;
const dispatchInstances = event._dispatchInstances;
var listenersIsArr = Array.isArray(dispatchListeners);
var listenersLen = listenersIsArr
const listenersIsArr = Array.isArray(dispatchListeners);
const listenersLen = listenersIsArr
? dispatchListeners.length
: dispatchListeners ? 1 : 0;
var instancesIsArr = Array.isArray(dispatchInstances);
var instancesLen = instancesIsArr
const instancesIsArr = Array.isArray(dispatchInstances);
const instancesLen = instancesIsArr
? dispatchInstances.length
: dispatchInstances ? 1 : 0;
@ -76,7 +76,7 @@ if (__DEV__) {
* @param {*} inst Internal component instance
*/
function executeDispatch(event, simulated, listener, inst) {
var type = event.type || 'unknown-event';
const type = event.type || 'unknown-event';
event.currentTarget = getNodeFromInstance(inst);
ReactErrorUtils.invokeGuardedCallbackAndCatchFirstError(
type,
@ -91,13 +91,13 @@ function executeDispatch(event, simulated, listener, inst) {
* Standard/simple iteration through an event's collected dispatches.
*/
export function executeDispatchesInOrder(event, simulated) {
var dispatchListeners = event._dispatchListeners;
var dispatchInstances = event._dispatchInstances;
const dispatchListeners = event._dispatchListeners;
const dispatchInstances = event._dispatchInstances;
if (__DEV__) {
validateEventDispatches(event);
}
if (Array.isArray(dispatchListeners)) {
for (var i = 0; i < dispatchListeners.length; i++) {
for (let i = 0; i < dispatchListeners.length; i++) {
if (event.isPropagationStopped()) {
break;
}
@ -124,13 +124,13 @@ export function executeDispatchesInOrder(event, simulated) {
* true, or null if no listener returned true.
*/
function executeDispatchesInOrderStopAtTrueImpl(event) {
var dispatchListeners = event._dispatchListeners;
var dispatchInstances = event._dispatchInstances;
const dispatchListeners = event._dispatchListeners;
const dispatchInstances = event._dispatchInstances;
if (__DEV__) {
validateEventDispatches(event);
}
if (Array.isArray(dispatchListeners)) {
for (var i = 0; i < dispatchListeners.length; i++) {
for (let i = 0; i < dispatchListeners.length; i++) {
if (event.isPropagationStopped()) {
break;
}
@ -151,7 +151,7 @@ function executeDispatchesInOrderStopAtTrueImpl(event) {
* @see executeDispatchesInOrderStopAtTrueImpl
*/
export function executeDispatchesInOrderStopAtTrue(event) {
var ret = executeDispatchesInOrderStopAtTrueImpl(event);
const ret = executeDispatchesInOrderStopAtTrueImpl(event);
event._dispatchInstances = null;
event._dispatchListeners = null;
return ret;
@ -170,8 +170,8 @@ export function executeDirectDispatch(event) {
if (__DEV__) {
validateEventDispatches(event);
}
var dispatchListener = event._dispatchListeners;
var dispatchInstance = event._dispatchInstances;
const dispatchListener = event._dispatchListeners;
const dispatchInstance = event._dispatchInstances;
invariant(
!Array.isArray(dispatchListener),
'executeDirectDispatch(...): Invalid `event`.',
@ -179,7 +179,7 @@ export function executeDirectDispatch(event) {
event.currentTarget = dispatchListener
? getNodeFromInstance(dispatchInstance)
: null;
var res = dispatchListener ? dispatchListener(event) : null;
const res = dispatchListener ? dispatchListener(event) : null;
event.currentTarget = null;
event._dispatchListeners = null;
event._dispatchInstances = null;

View File

@ -23,7 +23,7 @@ type PropagationPhases = 'bubbled' | 'captured';
* "phases" of propagation. This finds listeners by a given phase.
*/
function listenerAtPhase(inst, event, propagationPhase: PropagationPhases) {
var registrationName =
const registrationName =
event.dispatchConfig.phasedRegistrationNames[propagationPhase];
return getListener(inst, registrationName);
}
@ -48,7 +48,7 @@ function accumulateDirectionalDispatches(inst, phase, event) {
if (__DEV__) {
warning(inst, 'Dispatching inst must not be null');
}
var listener = listenerAtPhase(inst, event, phase);
const listener = listenerAtPhase(inst, event, phase);
if (listener) {
event._dispatchListeners = accumulateInto(
event._dispatchListeners,
@ -76,8 +76,8 @@ function accumulateTwoPhaseDispatchesSingle(event) {
*/
function accumulateTwoPhaseDispatchesSingleSkipTarget(event) {
if (event && event.dispatchConfig.phasedRegistrationNames) {
var targetInst = event._targetInst;
var parentInst = targetInst ? getParentInstance(targetInst) : null;
const targetInst = event._targetInst;
const parentInst = targetInst ? getParentInstance(targetInst) : null;
traverseTwoPhase(parentInst, accumulateDirectionalDispatches, event);
}
}
@ -89,8 +89,8 @@ function accumulateTwoPhaseDispatchesSingleSkipTarget(event) {
*/
function accumulateDispatches(inst, ignoredDirection, event) {
if (inst && event && event.dispatchConfig.registrationName) {
var registrationName = event.dispatchConfig.registrationName;
var listener = getListener(inst, registrationName);
const registrationName = event.dispatchConfig.registrationName;
const listener = getListener(inst, registrationName);
if (listener) {
event._dispatchListeners = accumulateInto(
event._dispatchListeners,

View File

@ -14,9 +14,9 @@ import {
// Use to restore controlled state after a change event has fired.
var fiberHostComponent = null;
let fiberHostComponent = null;
var ReactControlledComponentInjection = {
const ReactControlledComponentInjection = {
injectFiberControlledHostComponent: function(hostComponentImpl) {
// The fiber implementation doesn't use dynamic dispatch so we need to
// inject the implementation.
@ -24,13 +24,13 @@ var ReactControlledComponentInjection = {
},
};
var restoreTarget = null;
var restoreQueue = null;
let restoreTarget = null;
let restoreQueue = null;
function restoreStateOfTarget(target) {
// We perform this translation at the end of the event loop so that we
// always receive the correct fiber here
var internalInstance = getInstanceFromNode(target);
const internalInstance = getInstanceFromNode(target);
if (!internalInstance) {
// Unmounted
return;
@ -67,14 +67,14 @@ export function restoreStateIfNeeded() {
if (!restoreTarget) {
return;
}
var target = restoreTarget;
var queuedTargets = restoreQueue;
const target = restoreTarget;
const queuedTargets = restoreQueue;
restoreTarget = null;
restoreQueue = null;
restoreStateOfTarget(target);
if (queuedTargets) {
for (var i = 0; i < queuedTargets.length; i++) {
for (let i = 0; i < queuedTargets.length; i++) {
restoreStateOfTarget(queuedTargets[i]);
}
}

View File

@ -26,7 +26,7 @@ export function handleTopLevel(
nativeEvent,
nativeEventTarget,
) {
var events = extractEvents(
const events = extractEvents(
topLevelType,
targetInst,
nativeEvent,

View File

@ -14,11 +14,11 @@ import {restoreStateIfNeeded} from './ReactControlledComponent';
// scheduled work and instead do synchronous work.
// Defaults
var fiberBatchedUpdates = function(fn, bookkeeping) {
let fiberBatchedUpdates = function(fn, bookkeeping) {
return fn(bookkeeping);
};
var isNestingBatched = false;
let isNestingBatched = false;
export function batchedUpdates(fn, bookkeeping) {
if (isNestingBatched) {
// If we are currently inside another batch, we need to wait until it
@ -39,7 +39,7 @@ export function batchedUpdates(fn, bookkeeping) {
}
}
var ReactGenericBatchingInjection = {
const ReactGenericBatchingInjection = {
injectFiberBatchedUpdates: function(_batchedUpdates) {
fiberBatchedUpdates = _batchedUpdates;
},

View File

@ -29,21 +29,21 @@ import accumulate from './accumulate';
* Instance of element that should respond to touch/move types of interactions,
* as indicated explicitly by relevant callbacks.
*/
var responderInst = null;
let responderInst = null;
/**
* Count of current touches. A textInput should become responder iff the
* selection changes while there is a touch on the screen.
*/
var trackedTouchCount = 0;
let trackedTouchCount = 0;
/**
* Last reported number of active touches.
*/
var previousActiveTouches = 0;
let previousActiveTouches = 0;
var changeResponder = function(nextResponderInst, blockHostResponder) {
var oldResponderInst = responderInst;
const changeResponder = function(nextResponderInst, blockHostResponder) {
const oldResponderInst = responderInst;
responderInst = nextResponderInst;
if (ResponderEventPlugin.GlobalResponderHandler !== null) {
ResponderEventPlugin.GlobalResponderHandler.onChange(
@ -54,7 +54,7 @@ var changeResponder = function(nextResponderInst, blockHostResponder) {
}
};
var eventTypes = {
const eventTypes = {
/**
* On a `touchStart`/`mouseDown`, is it desired that this element become the
* responder?
@ -318,7 +318,7 @@ function setResponderAndExtractTransfer(
nativeEvent,
nativeEventTarget,
) {
var shouldSetEventType = isStartish(topLevelType)
const shouldSetEventType = isStartish(topLevelType)
? eventTypes.startShouldSetResponder
: isMoveish(topLevelType)
? eventTypes.moveShouldSetResponder
@ -327,7 +327,7 @@ function setResponderAndExtractTransfer(
: eventTypes.scrollShouldSetResponder;
// TODO: stop one short of the current responder.
var bubbleShouldSetFrom = !responderInst
const bubbleShouldSetFrom = !responderInst
? targetInst
: getLowestCommonAncestor(responderInst, targetInst);
@ -335,8 +335,8 @@ function setResponderAndExtractTransfer(
// (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(
const skipOverBubbleShouldSetFrom = bubbleShouldSetFrom === responderInst;
const shouldSetEvent = ResponderSyntheticEvent.getPooled(
shouldSetEventType,
bubbleShouldSetFrom,
nativeEvent,
@ -348,7 +348,7 @@ function setResponderAndExtractTransfer(
} else {
accumulateTwoPhaseDispatches(shouldSetEvent);
}
var wantsResponderInst = executeDispatchesInOrderStopAtTrue(shouldSetEvent);
const wantsResponderInst = executeDispatchesInOrderStopAtTrue(shouldSetEvent);
if (!shouldSetEvent.isPersistent()) {
shouldSetEvent.constructor.release(shouldSetEvent);
}
@ -356,8 +356,8 @@ function setResponderAndExtractTransfer(
if (!wantsResponderInst || wantsResponderInst === responderInst) {
return null;
}
var extracted;
var grantEvent = ResponderSyntheticEvent.getPooled(
let extracted;
const grantEvent = ResponderSyntheticEvent.getPooled(
eventTypes.responderGrant,
wantsResponderInst,
nativeEvent,
@ -366,9 +366,9 @@ function setResponderAndExtractTransfer(
grantEvent.touchHistory = ResponderTouchHistoryStore.touchHistory;
accumulateDirectDispatches(grantEvent);
var blockHostResponder = executeDirectDispatch(grantEvent) === true;
const blockHostResponder = executeDirectDispatch(grantEvent) === true;
if (responderInst) {
var terminationRequestEvent = ResponderSyntheticEvent.getPooled(
const terminationRequestEvent = ResponderSyntheticEvent.getPooled(
eventTypes.responderTerminationRequest,
responderInst,
nativeEvent,
@ -377,7 +377,7 @@ function setResponderAndExtractTransfer(
terminationRequestEvent.touchHistory =
ResponderTouchHistoryStore.touchHistory;
accumulateDirectDispatches(terminationRequestEvent);
var shouldSwitch =
const shouldSwitch =
!hasDispatches(terminationRequestEvent) ||
executeDirectDispatch(terminationRequestEvent);
if (!terminationRequestEvent.isPersistent()) {
@ -385,7 +385,7 @@ function setResponderAndExtractTransfer(
}
if (shouldSwitch) {
var terminateEvent = ResponderSyntheticEvent.getPooled(
const terminateEvent = ResponderSyntheticEvent.getPooled(
eventTypes.responderTerminate,
responderInst,
nativeEvent,
@ -396,7 +396,7 @@ function setResponderAndExtractTransfer(
extracted = accumulate(extracted, [grantEvent, terminateEvent]);
changeResponder(wantsResponderInst, blockHostResponder);
} else {
var rejectEvent = ResponderSyntheticEvent.getPooled(
const rejectEvent = ResponderSyntheticEvent.getPooled(
eventTypes.responderReject,
wantsResponderInst,
nativeEvent,
@ -442,16 +442,16 @@ function canTriggerTransfer(topLevelType, topLevelInst, nativeEvent) {
* @return {boolean} Whether or not this touch end event ends the responder.
*/
function noResponderTouches(nativeEvent) {
var touches = nativeEvent.touches;
const touches = nativeEvent.touches;
if (!touches || touches.length === 0) {
return true;
}
for (var i = 0; i < touches.length; i++) {
var activeTouch = touches[i];
var target = activeTouch.target;
for (let i = 0; i < touches.length; i++) {
const activeTouch = touches[i];
const target = activeTouch.target;
if (target !== null && target !== undefined && target !== 0) {
// Is the original touch location inside of the current responder?
var targetInst = getInstanceFromNode(target);
const targetInst = getInstanceFromNode(target);
if (isAncestor(responderInst, targetInst)) {
return false;
}
@ -460,7 +460,7 @@ function noResponderTouches(nativeEvent) {
return true;
}
var ResponderEventPlugin = {
const ResponderEventPlugin = {
/* For unit testing only */
_getResponder: function() {
return responderInst;
@ -494,7 +494,7 @@ var ResponderEventPlugin = {
ResponderTouchHistoryStore.recordTouchTrack(topLevelType, nativeEvent);
var extracted = canTriggerTransfer(topLevelType, targetInst, nativeEvent)
let extracted = canTriggerTransfer(topLevelType, targetInst, nativeEvent)
? setResponderAndExtractTransfer(
topLevelType,
targetInst,
@ -512,17 +512,17 @@ var ResponderEventPlugin = {
// 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
const isResponderTouchStart = responderInst && isStartish(topLevelType);
const isResponderTouchMove = responderInst && isMoveish(topLevelType);
const isResponderTouchEnd = responderInst && isEndish(topLevelType);
const incrementalTouch = isResponderTouchStart
? eventTypes.responderStart
: isResponderTouchMove
? eventTypes.responderMove
: isResponderTouchEnd ? eventTypes.responderEnd : null;
if (incrementalTouch) {
var gesture = ResponderSyntheticEvent.getPooled(
const gesture = ResponderSyntheticEvent.getPooled(
incrementalTouch,
responderInst,
nativeEvent,
@ -533,18 +533,18 @@ var ResponderEventPlugin = {
extracted = accumulate(extracted, gesture);
}
var isResponderTerminate =
const isResponderTerminate =
responderInst && topLevelType === 'topTouchCancel';
var isResponderRelease =
const isResponderRelease =
responderInst &&
!isResponderTerminate &&
isEndish(topLevelType) &&
noResponderTouches(nativeEvent);
var finalTouch = isResponderTerminate
const finalTouch = isResponderTerminate
? eventTypes.responderTerminate
: isResponderRelease ? eventTypes.responderRelease : null;
if (finalTouch) {
var finalEvent = ResponderSyntheticEvent.getPooled(
const finalEvent = ResponderSyntheticEvent.getPooled(
finalTouch,
responderInst,
nativeEvent,
@ -556,7 +556,7 @@ var ResponderEventPlugin = {
changeResponder(null);
}
var numberActiveTouches =
const numberActiveTouches =
ResponderTouchHistoryStore.touchHistory.numberActiveTouches;
if (
ResponderEventPlugin.GlobalInteractionHandler &&

View File

@ -12,7 +12,7 @@ import SyntheticEvent from './SyntheticEvent';
* interface will ensure that it is cleaned up when pooled/destroyed. The
* `ResponderEventPlugin` will populate it appropriately.
*/
var ResponderEventInterface = {
const ResponderEventInterface = {
touchHistory: function(nativeEvent) {
return null; // Actually doesn't even look at the native event.
},

View File

@ -11,11 +11,11 @@ import emptyFunction from 'fbjs/lib/emptyFunction';
import invariant from 'fbjs/lib/invariant';
import warning from 'fbjs/lib/warning';
var didWarnForAddedNewProperty = false;
var isProxySupported = typeof Proxy === 'function';
var EVENT_POOL_SIZE = 10;
let didWarnForAddedNewProperty = false;
const isProxySupported = typeof Proxy === 'function';
const EVENT_POOL_SIZE = 10;
var shouldBeReleasedProperties = [
const shouldBeReleasedProperties = [
'dispatchConfig',
'_targetInst',
'nativeEvent',
@ -29,7 +29,7 @@ var shouldBeReleasedProperties = [
* @interface Event
* @see http://www.w3.org/TR/DOM-Level-3-Events/
*/
var EventInterface = {
const EventInterface = {
type: null,
target: null,
// currentTarget is set when dispatching; no use in copying it here
@ -79,15 +79,15 @@ function SyntheticEvent(
this._targetInst = targetInst;
this.nativeEvent = nativeEvent;
var Interface = this.constructor.Interface;
for (var propName in Interface) {
const Interface = this.constructor.Interface;
for (const propName in Interface) {
if (!Interface.hasOwnProperty(propName)) {
continue;
}
if (__DEV__) {
delete this[propName]; // this has a getter/setter for warnings
}
var normalize = Interface[propName];
const normalize = Interface[propName];
if (normalize) {
this[propName] = normalize(nativeEvent);
} else {
@ -99,7 +99,7 @@ function SyntheticEvent(
}
}
var defaultPrevented =
const defaultPrevented =
nativeEvent.defaultPrevented != null
? nativeEvent.defaultPrevented
: nativeEvent.returnValue === false;
@ -115,7 +115,7 @@ function SyntheticEvent(
Object.assign(SyntheticEvent.prototype, {
preventDefault: function() {
this.defaultPrevented = true;
var event = this.nativeEvent;
const event = this.nativeEvent;
if (!event) {
return;
}
@ -129,7 +129,7 @@ Object.assign(SyntheticEvent.prototype, {
},
stopPropagation: function() {
var event = this.nativeEvent;
const event = this.nativeEvent;
if (!event) {
return;
}
@ -168,8 +168,8 @@ Object.assign(SyntheticEvent.prototype, {
* `PooledClass` looks for `destructor` on each instance it releases.
*/
destructor: function() {
var Interface = this.constructor.Interface;
for (var propName in Interface) {
const Interface = this.constructor.Interface;
for (const propName in Interface) {
if (__DEV__) {
Object.defineProperty(
this,
@ -180,7 +180,7 @@ Object.assign(SyntheticEvent.prototype, {
this[propName] = null;
}
}
for (var i = 0; i < shouldBeReleasedProperties.length; i++) {
for (let i = 0; i < shouldBeReleasedProperties.length; i++) {
this[shouldBeReleasedProperties[i]] = null;
}
if (__DEV__) {
@ -212,11 +212,11 @@ SyntheticEvent.Interface = EventInterface;
* @param {?object} Interface
*/
SyntheticEvent.augmentClass = function(Class, Interface) {
var Super = this;
const Super = this;
var E = function() {};
const E = function() {};
E.prototype = Super.prototype;
var prototype = new E();
const prototype = new E();
Object.assign(prototype, Class.prototype);
Class.prototype = prototype;
@ -275,7 +275,7 @@ addEventPoolingTo(SyntheticEvent);
* @return {object} defineProperty object
*/
function getPooledWarningPropertyDefinition(propName, getVal) {
var isFunction = typeof getVal === 'function';
const isFunction = typeof getVal === 'function';
return {
configurable: true,
set: set,
@ -283,14 +283,16 @@ function getPooledWarningPropertyDefinition(propName, getVal) {
};
function set(val) {
var action = isFunction ? 'setting the method' : 'setting the property';
const action = isFunction ? 'setting the method' : 'setting the property';
warn(action, 'This is effectively a no-op');
return val;
}
function get() {
var action = isFunction ? 'accessing the method' : 'accessing the property';
var result = isFunction
const action = isFunction
? 'accessing the method'
: 'accessing the property';
const result = isFunction
? 'This is a no-op function'
: 'This is set to null';
warn(action, result);
@ -298,7 +300,7 @@ function getPooledWarningPropertyDefinition(propName, getVal) {
}
function warn(action, result) {
var warningCondition = false;
const warningCondition = false;
warning(
warningCondition,
"This synthetic event is reused for performance reasons. If you're seeing this, " +
@ -334,7 +336,7 @@ function getPooledEvent(dispatchConfig, targetInst, nativeEvent, nativeInst) {
}
function releasePooledEvent(event) {
var EventConstructor = this;
const EventConstructor = this;
invariant(
event instanceof EventConstructor,
'Trying to release an event instance into a pool of a different type.',

View File

@ -5,7 +5,7 @@
* LICENSE file in the root directory of this source tree.
*/
var TouchHistoryMath = {
const TouchHistoryMath = {
/**
* This code is optimized and not intended to look beautiful. This allows
* computing of touch centroids that have moved after `touchesChangedAfter`
@ -28,11 +28,11 @@ var TouchHistoryMath = {
isXAxis,
ofCurrent,
) {
var touchBank = touchHistory.touchBank;
var total = 0;
var count = 0;
const touchBank = touchHistory.touchBank;
let total = 0;
let count = 0;
var oneTouchData =
const oneTouchData =
touchHistory.numberActiveTouches === 1
? touchHistory.touchBank[touchHistory.indexOfSingleActiveTouch]
: null;
@ -53,15 +53,15 @@ var TouchHistoryMath = {
count = 1;
}
} else {
for (var i = 0; i < touchBank.length; i++) {
var touchTrack = touchBank[i];
for (let i = 0; i < touchBank.length; i++) {
const touchTrack = touchBank[i];
if (
touchTrack !== null &&
touchTrack !== undefined &&
touchTrack.touchActive &&
touchTrack.currentTimeStamp >= touchesChangedAfter
) {
var toAdd; // Yuck, program temporarily in invalid state.
let toAdd; // Yuck, program temporarily in invalid state.
if (ofCurrent && isXAxis) {
toAdd = touchTrack.currentPageX;
} else if (ofCurrent && !isXAxis) {

View File

@ -10,8 +10,8 @@
'use strict';
describe('EventPluginRegistry', () => {
var EventPluginRegistry;
var createPlugin;
let EventPluginRegistry;
let createPlugin;
beforeEach(() => {
jest.resetModuleRegistry();
@ -27,9 +27,9 @@ describe('EventPluginRegistry', () => {
});
it('should be able to inject ordering before plugins', () => {
var OnePlugin = createPlugin();
var TwoPlugin = createPlugin();
var ThreePlugin = createPlugin();
const OnePlugin = createPlugin();
const TwoPlugin = createPlugin();
const ThreePlugin = createPlugin();
EventPluginRegistry.injectEventPluginOrder(['one', 'two', 'three']);
EventPluginRegistry.injectEventPluginsByName({
@ -47,9 +47,9 @@ describe('EventPluginRegistry', () => {
});
it('should be able to inject plugins before and after ordering', () => {
var OnePlugin = createPlugin();
var TwoPlugin = createPlugin();
var ThreePlugin = createPlugin();
const OnePlugin = createPlugin();
const TwoPlugin = createPlugin();
const ThreePlugin = createPlugin();
EventPluginRegistry.injectEventPluginsByName({
one: OnePlugin,
@ -67,9 +67,9 @@ describe('EventPluginRegistry', () => {
});
it('should be able to inject repeated plugins and out-of-order', () => {
var OnePlugin = createPlugin();
var TwoPlugin = createPlugin();
var ThreePlugin = createPlugin();
const OnePlugin = createPlugin();
const TwoPlugin = createPlugin();
const ThreePlugin = createPlugin();
EventPluginRegistry.injectEventPluginsByName({
one: OnePlugin,
@ -88,7 +88,7 @@ describe('EventPluginRegistry', () => {
});
it('should throw if plugin does not implement `extractEvents`', () => {
var BadPlugin = {};
const BadPlugin = {};
EventPluginRegistry.injectEventPluginOrder(['bad']);
@ -103,8 +103,8 @@ describe('EventPluginRegistry', () => {
});
it('should throw if plugin does not exist in ordering', () => {
var OnePlugin = createPlugin();
var RandomPlugin = createPlugin();
const OnePlugin = createPlugin();
const RandomPlugin = createPlugin();
EventPluginRegistry.injectEventPluginOrder(['one']);
@ -120,7 +120,7 @@ describe('EventPluginRegistry', () => {
});
it('should throw if ordering is injected more than once', () => {
var pluginOrdering = [];
const pluginOrdering = [];
EventPluginRegistry.injectEventPluginOrder(pluginOrdering);
@ -133,8 +133,8 @@ describe('EventPluginRegistry', () => {
});
it('should throw if different plugins injected using same name', () => {
var OnePlugin = createPlugin();
var TwoPlugin = createPlugin();
const OnePlugin = createPlugin();
const TwoPlugin = createPlugin();
EventPluginRegistry.injectEventPluginsByName({same: OnePlugin});
@ -147,13 +147,13 @@ describe('EventPluginRegistry', () => {
});
it('should publish registration names of injected plugins', () => {
var OnePlugin = createPlugin({
const OnePlugin = createPlugin({
eventTypes: {
click: {registrationName: 'onClick'},
focus: {registrationName: 'onFocus'},
},
});
var TwoPlugin = createPlugin({
const TwoPlugin = createPlugin({
eventTypes: {
magic: {
phasedRegistrationNames: {
@ -187,12 +187,12 @@ describe('EventPluginRegistry', () => {
});
it('should throw if multiple registration names collide', () => {
var OnePlugin = createPlugin({
const OnePlugin = createPlugin({
eventTypes: {
photoCapture: {registrationName: 'onPhotoCapture'},
},
});
var TwoPlugin = createPlugin({
const TwoPlugin = createPlugin({
eventTypes: {
photo: {
phasedRegistrationNames: {
@ -217,7 +217,7 @@ describe('EventPluginRegistry', () => {
});
it('should throw if an invalid event is published', () => {
var OnePlugin = createPlugin({
const OnePlugin = createPlugin({
eventTypes: {
badEvent: {
/* missing configuration */

View File

@ -9,12 +9,12 @@
'use strict';
var {HostComponent} = require('shared/ReactTypeOfWork');
const {HostComponent} = require('shared/ReactTypeOfWork');
var EventPluginHub;
var ResponderEventPlugin;
let EventPluginHub;
let ResponderEventPlugin;
var touch = function(nodeHandle, i) {
const touch = function(nodeHandle, i) {
return {target: nodeHandle, identifier: i};
};
@ -25,7 +25,7 @@ var touch = function(nodeHandle, i) {
* @return {TouchEvent} Model of a touch event that is compliant with responder
* system plugin.
*/
var touchEvent = function(nodeHandle, touches, changedTouches) {
const touchEvent = function(nodeHandle, touches, changedTouches) {
return {
target: nodeHandle,
changedTouches: changedTouches,
@ -33,18 +33,18 @@ var touchEvent = function(nodeHandle, touches, changedTouches) {
};
};
var subsequence = function(arr, indices) {
var ret = [];
for (var i = 0; i < indices.length; i++) {
var index = indices[i];
const subsequence = function(arr, indices) {
const ret = [];
for (let i = 0; i < indices.length; i++) {
const index = indices[i];
ret.push(arr[index]);
}
return ret;
};
var antiSubsequence = function(arr, indices) {
var ret = [];
for (var i = 0; i < arr.length; i++) {
const antiSubsequence = function(arr, indices) {
const ret = [];
for (let i = 0; i < arr.length; i++) {
if (indices.indexOf(i) === -1) {
ret.push(arr[i]);
}
@ -56,16 +56,16 @@ var antiSubsequence = function(arr, indices) {
* Helper for creating touch test config data.
* @param allTouchHandles
*/
var _touchConfig = function(
const _touchConfig = function(
topType,
targetNodeHandle,
allTouchHandles,
changedIndices,
eventTarget,
) {
var allTouchObjects = allTouchHandles.map(touch);
var changedTouchObjects = subsequence(allTouchObjects, changedIndices);
var activeTouchObjects = topType === 'topTouchStart'
const allTouchObjects = allTouchHandles.map(touch);
const changedTouchObjects = subsequence(allTouchObjects, changedIndices);
const activeTouchObjects = topType === 'topTouchStart'
? allTouchObjects
: topType === 'topTouchMove'
? allTouchObjects
@ -104,7 +104,7 @@ var _touchConfig = function(
* @return {object} Config data used by test cases for extracting responder
* events.
*/
var startConfig = function(nodeHandle, allTouchHandles, changedIndices) {
const startConfig = function(nodeHandle, allTouchHandles, changedIndices) {
return _touchConfig(
'topTouchStart',
nodeHandle,
@ -117,7 +117,7 @@ var startConfig = function(nodeHandle, allTouchHandles, changedIndices) {
/**
* @see `startConfig`
*/
var moveConfig = function(nodeHandle, allTouchHandles, changedIndices) {
const moveConfig = function(nodeHandle, allTouchHandles, changedIndices) {
return _touchConfig(
'topTouchMove',
nodeHandle,
@ -130,7 +130,7 @@ var moveConfig = function(nodeHandle, allTouchHandles, changedIndices) {
/**
* @see `startConfig`
*/
var endConfig = function(nodeHandle, allTouchHandles, changedIndices) {
const endConfig = function(nodeHandle, allTouchHandles, changedIndices) {
return _touchConfig(
'topTouchEnd',
nodeHandle,
@ -167,9 +167,9 @@ var endConfig = function(nodeHandle, allTouchHandles, changedIndices) {
* ever invoked).
*
*/
var NA = -1;
var oneEventLoopTestConfig = function(readableIDToID) {
var ret = {
const NA = -1;
const oneEventLoopTestConfig = function(readableIDToID) {
const ret = {
// Negotiation
scrollShouldSetResponder: {bubbled: {}, captured: {}},
startShouldSetResponder: {bubbled: {}, captured: {}},
@ -185,8 +185,8 @@ var oneEventLoopTestConfig = function(readableIDToID) {
responderEnd: {},
responderRelease: {},
};
for (var eventName in ret) {
for (var readableNodeName in readableIDToID) {
for (const eventName in ret) {
for (const readableNodeName in readableIDToID) {
if (ret[eventName].bubbled) {
// Two phase
ret[eventName].bubbled[readableNodeName] = {
@ -215,9 +215,9 @@ var oneEventLoopTestConfig = function(readableIDToID) {
* @param {object} eventTestConfig
* @param {object} readableIDToID
*/
var registerTestHandlers = function(eventTestConfig, readableIDToID) {
var runs = {dispatchCount: 0};
var neverFire = function(readableID, registrationName) {
const registerTestHandlers = function(eventTestConfig, readableIDToID) {
const runs = {dispatchCount: 0};
const neverFire = function(readableID, registrationName) {
runs.dispatchCount++;
expect('').toBe(
'Event type: ' +
@ -230,11 +230,11 @@ var registerTestHandlers = function(eventTestConfig, readableIDToID) {
);
};
var registerOneEventType = function(registrationName, eventTypeTestConfig) {
for (var readableID in eventTypeTestConfig) {
var nodeConfig = eventTypeTestConfig[readableID];
var id = readableIDToID[readableID];
var handler = nodeConfig.order === NA
const registerOneEventType = function(registrationName, eventTypeTestConfig) {
for (const readableID in eventTypeTestConfig) {
const nodeConfig = eventTypeTestConfig[readableID];
const id = readableIDToID[readableID];
const handler = nodeConfig.order === NA
? neverFire.bind(null, readableID, registrationName)
: // We partially apply readableID and nodeConfig, as they change in the
// parent closure across iterations.
@ -250,9 +250,9 @@ var registerTestHandlers = function(eventTestConfig, readableIDToID) {
putListener(getInstanceFromNode(id), registrationName, handler);
}
};
for (var eventName in eventTestConfig) {
var oneEventTypeTestConfig = eventTestConfig[eventName];
var hasTwoPhase = !!oneEventTypeTestConfig.bubbled;
for (const eventName in eventTestConfig) {
const oneEventTypeTestConfig = eventTestConfig[eventName];
const hasTwoPhase = !!oneEventTypeTestConfig.bubbled;
if (hasTwoPhase) {
registerOneEventType(
ResponderEventPlugin.eventTypes[eventName].phasedRegistrationNames
@ -274,16 +274,16 @@ var registerTestHandlers = function(eventTestConfig, readableIDToID) {
return runs;
};
var run = function(config, hierarchyConfig, nativeEventConfig) {
var max = NA;
var searchForMax = function(nodeConfig) {
for (var readableID in nodeConfig) {
var order = nodeConfig[readableID].order;
const run = function(config, hierarchyConfig, nativeEventConfig) {
let max = NA;
const searchForMax = function(nodeConfig) {
for (const readableID in nodeConfig) {
const order = nodeConfig[readableID].order;
max = order > max ? order : max;
}
};
for (var eventName in config) {
var eventConfig = config[eventName];
for (const eventName in config) {
const eventConfig = config[eventName];
if (eventConfig.bubbled) {
searchForMax(eventConfig.bubbled);
searchForMax(eventConfig.captured);
@ -293,10 +293,10 @@ var run = function(config, hierarchyConfig, nativeEventConfig) {
}
// Register the handlers
var runData = registerTestHandlers(config, hierarchyConfig);
const runData = registerTestHandlers(config, hierarchyConfig);
// Trigger the event
var extractedEvents = ResponderEventPlugin.extractEvents(
const extractedEvents = ResponderEventPlugin.extractEvents(
nativeEventConfig.topLevelType,
nativeEventConfig.targetInst,
nativeEventConfig.nativeEvent,
@ -315,32 +315,32 @@ var run = function(config, hierarchyConfig, nativeEventConfig) {
); // +1 for extra ++
};
var GRANDPARENT_HOST_NODE = {};
var PARENT_HOST_NODE = {};
var CHILD_HOST_NODE = {};
var CHILD_HOST_NODE2 = {};
const GRANDPARENT_HOST_NODE = {};
const PARENT_HOST_NODE = {};
const CHILD_HOST_NODE = {};
const CHILD_HOST_NODE2 = {};
// These intentionally look like Fibers. ReactTreeTraversal depends on their field names.
// TODO: we could test this with regular DOM nodes (and real fibers) instead.
var GRANDPARENT_INST = {
const GRANDPARENT_INST = {
return: null,
tag: HostComponent,
stateNode: GRANDPARENT_HOST_NODE,
memoizedProps: {},
};
var PARENT_INST = {
const PARENT_INST = {
return: GRANDPARENT_INST,
tag: HostComponent,
stateNode: PARENT_HOST_NODE,
memoizedProps: {},
};
var CHILD_INST = {
const CHILD_INST = {
return: PARENT_INST,
tag: HostComponent,
stateNode: CHILD_HOST_NODE,
memoizedProps: {},
};
var CHILD_INST2 = {
const CHILD_INST2 = {
return: PARENT_INST,
tag: HostComponent,
stateNode: CHILD_HOST_NODE2,
@ -352,13 +352,13 @@ PARENT_HOST_NODE.testInstance = PARENT_INST;
CHILD_HOST_NODE.testInstance = CHILD_INST;
CHILD_HOST_NODE2.testInstance = CHILD_INST2;
var three = {
const three = {
grandParent: GRANDPARENT_HOST_NODE,
parent: PARENT_HOST_NODE,
child: CHILD_HOST_NODE,
};
var siblings = {
const siblings = {
parent: PARENT_HOST_NODE,
childOne: CHILD_HOST_NODE,
childTwo: CHILD_HOST_NODE2,
@ -411,7 +411,7 @@ describe('ResponderEventPlugin', () => {
});
it('should do nothing when no one wants to respond', () => {
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {
order: 0,
returnVal: false,
@ -448,7 +448,7 @@ describe('ResponderEventPlugin', () => {
*/
it('should grant responder grandParent while capturing', () => {
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {
order: 0,
returnVal: true,
@ -468,7 +468,7 @@ describe('ResponderEventPlugin', () => {
});
it('should grant responder parent while capturing', () => {
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {
order: 0,
returnVal: false,
@ -492,7 +492,7 @@ describe('ResponderEventPlugin', () => {
});
it('should grant responder child while capturing', () => {
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {
order: 0,
returnVal: false,
@ -517,7 +517,7 @@ describe('ResponderEventPlugin', () => {
});
it('should grant responder child while bubbling', () => {
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {
order: 0,
returnVal: false,
@ -546,7 +546,7 @@ describe('ResponderEventPlugin', () => {
});
it('should grant responder parent while bubbling', () => {
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {
order: 0,
returnVal: false,
@ -576,7 +576,7 @@ describe('ResponderEventPlugin', () => {
});
it('should grant responder grandParent while bubbling', () => {
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {
order: 0,
returnVal: false,
@ -618,7 +618,7 @@ describe('ResponderEventPlugin', () => {
*/
it('should grant responder grandParent while capturing move', () => {
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {order: 0};
config.startShouldSetResponder.captured.parent = {order: 1};
@ -648,7 +648,7 @@ describe('ResponderEventPlugin', () => {
});
it('should grant responder parent while capturing move', () => {
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {order: 0};
config.startShouldSetResponder.captured.parent = {order: 1};
@ -679,7 +679,7 @@ describe('ResponderEventPlugin', () => {
});
it('should grant responder child while capturing move', () => {
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {order: 0};
config.startShouldSetResponder.captured.parent = {order: 1};
@ -714,7 +714,7 @@ describe('ResponderEventPlugin', () => {
});
it('should grant responder child while bubbling move', () => {
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {order: 0};
config.startShouldSetResponder.captured.parent = {order: 1};
@ -750,7 +750,7 @@ describe('ResponderEventPlugin', () => {
});
it('should grant responder parent while bubbling move', () => {
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {order: 0};
config.startShouldSetResponder.captured.parent = {order: 1};
@ -787,7 +787,7 @@ describe('ResponderEventPlugin', () => {
});
it('should grant responder grandParent while bubbling move', () => {
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {order: 0};
config.startShouldSetResponder.captured.parent = {order: 1};
@ -833,7 +833,7 @@ describe('ResponderEventPlugin', () => {
*/
it('should bubble negotiation to first common ancestor of responder', () => {
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {
order: 0,
returnVal: false,
@ -875,7 +875,7 @@ describe('ResponderEventPlugin', () => {
});
it('should bubble negotiation to first common ancestor of responder then transfer', () => {
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {
order: 0,
returnVal: false,
@ -932,7 +932,7 @@ describe('ResponderEventPlugin', () => {
*/
it('should negotiate with deepest target on second touch if nothing is responder', () => {
// Initially nothing wants to become the responder
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {
order: 0,
returnVal: false,
@ -1080,7 +1080,7 @@ describe('ResponderEventPlugin', () => {
*/
it('should negotiate until first common ancestor when there are siblings', () => {
// Initially nothing wants to become the responder
var config = oneEventLoopTestConfig(siblings);
let config = oneEventLoopTestConfig(siblings);
config.startShouldSetResponder.captured.parent = {
order: 0,
returnVal: false,
@ -1119,7 +1119,7 @@ describe('ResponderEventPlugin', () => {
};
config.responderStart.childOne = {order: 2};
var touchConfig = startConfig(
const touchConfig = startConfig(
siblings.childTwo,
[siblings.childOne, siblings.childTwo],
[1],
@ -1174,7 +1174,7 @@ describe('ResponderEventPlugin', () => {
it('should notify of being rejected. responderStart/Move happens on current responder', () => {
// Initially nothing wants to become the responder
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {
order: 0,
returnVal: false,
@ -1213,7 +1213,7 @@ describe('ResponderEventPlugin', () => {
// The start/move should occur on the original responder if new one is rejected
config.responderMove.child = {order: 6};
var touchConfig = moveConfig(three.child, [three.child], [0]);
let touchConfig = moveConfig(three.child, [three.child], [0]);
run(config, three, touchConfig);
expect(ResponderEventPlugin._getResponder()).toBe(
getInstanceFromNode(three.child),
@ -1244,7 +1244,7 @@ describe('ResponderEventPlugin', () => {
it('should negotiate scroll', () => {
// Initially nothing wants to become the responder
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {
order: 0,
returnVal: false,
@ -1325,7 +1325,7 @@ describe('ResponderEventPlugin', () => {
it('should cancel correctly', () => {
// Initially our child becomes responder
var config = oneEventLoopTestConfig(three);
let config = oneEventLoopTestConfig(three);
config.startShouldSetResponder.captured.grandParent = {
order: 0,
returnVal: false,
@ -1351,7 +1351,7 @@ describe('ResponderEventPlugin', () => {
config.responderEnd.child = {order: 0};
config.responderTerminate.child = {order: 1};
var nativeEvent = _touchConfig(
const nativeEvent = _touchConfig(
'topTouchCancel',
three.child,
[three.child],
@ -1364,10 +1364,10 @@ describe('ResponderEventPlugin', () => {
it('should determine the first common ancestor correctly', () => {
// This test was moved here from the ReactTreeTraversal test since only the
// ResponderEventPlugin uses `getLowestCommonAncestor`
var React = require('react');
var ReactTestUtils = require('react-dom/test-utils');
var ReactTreeTraversal = require('shared/ReactTreeTraversal');
var ReactDOMComponentTree = require('../../react-dom/src/client/ReactDOMComponentTree');
const React = require('react');
const ReactTestUtils = require('react-dom/test-utils');
const ReactTreeTraversal = require('shared/ReactTreeTraversal');
const ReactDOMComponentTree = require('../../react-dom/src/client/ReactDOMComponentTree');
class ChildComponent extends React.Component {
render() {
@ -1394,9 +1394,9 @@ describe('ResponderEventPlugin', () => {
}
}
var parent = ReactTestUtils.renderIntoDocument(<ParentComponent />);
const parent = ReactTestUtils.renderIntoDocument(<ParentComponent />);
var ancestors = [
const ancestors = [
// Common ancestor with self is self.
{
one: parent.refs.P_P1_C1.refs.DIV_1,
@ -1436,10 +1436,10 @@ describe('ResponderEventPlugin', () => {
com: parent.refs.P,
},
];
var i;
let i;
for (i = 0; i < ancestors.length; i++) {
var plan = ancestors[i];
var firstCommon = ReactTreeTraversal.getLowestCommonAncestor(
const plan = ancestors[i];
const firstCommon = ReactTreeTraversal.getLowestCommonAncestor(
ReactDOMComponentTree.getInstanceFromNode(plan.one),
ReactDOMComponentTree.getInstanceFromNode(plan.two),
);

View File

@ -9,7 +9,7 @@
'use strict';
var accumulateInto;
let accumulateInto;
describe('accumulateInto', () => {
beforeEach(() => {
@ -25,23 +25,23 @@ describe('accumulateInto', () => {
});
it('returns the second item if first is null', () => {
var a = [];
const a = [];
expect(accumulateInto(null, a)).toBe(a);
});
it('merges the second into the first if first item is an array', () => {
var a = [1, 2];
var b = [3, 4];
const a = [1, 2];
const b = [3, 4];
accumulateInto(a, b);
expect(a).toEqual([1, 2, 3, 4]);
expect(b).toEqual([3, 4]);
var c = [1];
const c = [1];
accumulateInto(c, 2);
expect(c).toEqual([1, 2]);
});
it('returns a new array if first or both items are scalar', () => {
var a = [2];
const a = [2];
expect(accumulateInto(1, a)).toEqual([1, 2]);
expect(a).toEqual([2]);
expect(accumulateInto(1, 2)).toEqual([1, 2]);