{"parents":["c78db58a61e0ed5d5ba9a4b1449146137a532c27"],"patch":"diff --git a\/packages\/events\/EventPluginHub.js b\/packages\/events\/EventPluginHub.js\nindex 7da9a5ea7a..48d7d6bc51 100644\n--- a\/packages\/events\/EventPluginHub.js\n+++ b\/packages\/events\/EventPluginHub.js\n@@ -30,7 +30,7 @@ import type {AnyNativeEvent} from '.\/PluginModuleType';\n * Internal queue of events that have accumulated their dispatches and are\n * waiting to have their dispatches executed.\n *\/\n-var eventQueue: ?(Array | ReactSyntheticEvent) = null;\n+let eventQueue: ?(Array | ReactSyntheticEvent) = null;\n \n \/**\n * Dispatches an event and releases it back into the pool, unless persistent.\n@@ -39,7 +39,7 @@ var eventQueue: ?(Array | ReactSyntheticEvent) = null;\n * @param {boolean} simulated If the event is simulated (changes exn behavior)\n * @private\n *\/\n-var executeDispatchesAndRelease = function(\n+const executeDispatchesAndRelease = function(\n event: ReactSyntheticEvent,\n simulated: boolean,\n ) {\n@@ -51,10 +51,10 @@ var executeDispatchesAndRelease = function(\n }\n }\n };\n-var executeDispatchesAndReleaseSimulated = function(e) {\n+const executeDispatchesAndReleaseSimulated = function(e) {\n return executeDispatchesAndRelease(e, true);\n };\n-var executeDispatchesAndReleaseTopLevel = function(e) {\n+const executeDispatchesAndReleaseTopLevel = function(e) {\n return executeDispatchesAndRelease(e, false);\n };\n \n@@ -130,7 +130,7 @@ export const injection = {\n * @return {?function} The stored callback.\n *\/\n export function getListener(inst: Fiber, registrationName: string) {\n- var listener;\n+ let listener;\n \n \/\/ TODO: shouldPreventMouseEvent is DOM-specific and definitely should not\n \/\/ live here; needs to be moved to a better place soon\n@@ -170,12 +170,12 @@ export function extractEvents(\n nativeEvent: AnyNativeEvent,\n nativeEventTarget: EventTarget,\n ) {\n- var events;\n- for (var i = 0; i < plugins.length; i++) {\n+ let events;\n+ for (let i = 0; i < plugins.length; i++) {\n \/\/ Not every plugin in the ordering may be loaded at runtime.\n- var possiblePlugin: PluginModule = plugins[i];\n+ const possiblePlugin: PluginModule = plugins[i];\n if (possiblePlugin) {\n- var extractedEvents = possiblePlugin.extractEvents(\n+ const extractedEvents = possiblePlugin.extractEvents(\n topLevelType,\n targetInst,\n nativeEvent,\n@@ -212,7 +212,7 @@ export function enqueueEvents(\n export function processEventQueue(simulated: boolean) {\n \/\/ Set `eventQueue` to null before processing it so that we can tell if more\n \/\/ events get enqueued while processing.\n- var processingEventQueue = eventQueue;\n+ const processingEventQueue = eventQueue;\n eventQueue = null;\n \n if (!processingEventQueue) {\ndiff --git a\/packages\/events\/EventPluginRegistry.js b\/packages\/events\/EventPluginRegistry.js\nindex ebd527ebc1..ccfaa872dc 100644\n--- a\/packages\/events\/EventPluginRegistry.js\n+++ b\/packages\/events\/EventPluginRegistry.js\n@@ -20,17 +20,17 @@ import lowPriorityWarning from 'shared\/lowPriorityWarning';\n type NamesToPlugins = {[key: PluginName]: PluginModule};\n type EventPluginOrder = null | Array;\n \n-var shouldWarnOnInjection = false;\n+let shouldWarnOnInjection = false;\n \n \/**\n * Injectable ordering of event plugins.\n *\/\n-var eventPluginOrder: EventPluginOrder = null;\n+let eventPluginOrder: EventPluginOrder = null;\n \n \/**\n * Injectable mapping from names to event plugin modules.\n *\/\n-var namesToPlugins: NamesToPlugins = {};\n+const namesToPlugins: NamesToPlugins = {};\n \n export function enableWarningOnInjection() {\n shouldWarnOnInjection = true;\n@@ -46,9 +46,9 @@ function recomputePluginOrdering(): void {\n \/\/ Wait until an `eventPluginOrder` is injected.\n return;\n }\n- for (var pluginName in namesToPlugins) {\n- var pluginModule = namesToPlugins[pluginName];\n- var pluginIndex = eventPluginOrder.indexOf(pluginName);\n+ for (const pluginName in namesToPlugins) {\n+ const pluginModule = namesToPlugins[pluginName];\n+ const pluginIndex = eventPluginOrder.indexOf(pluginName);\n invariant(\n pluginIndex > -1,\n 'EventPluginRegistry: Cannot inject event plugins that do not exist in ' +\n@@ -65,8 +65,8 @@ function recomputePluginOrdering(): void {\n pluginName,\n );\n plugins[pluginIndex] = pluginModule;\n- var publishedEvents = pluginModule.eventTypes;\n- for (var eventName in publishedEvents) {\n+ const publishedEvents = pluginModule.eventTypes;\n+ for (const eventName in publishedEvents) {\n invariant(\n publishEventForPlugin(\n publishedEvents[eventName],\n@@ -102,11 +102,11 @@ function publishEventForPlugin(\n );\n eventNameDispatchConfigs[eventName] = dispatchConfig;\n \n- var phasedRegistrationNames = dispatchConfig.phasedRegistrationNames;\n+ const phasedRegistrationNames = dispatchConfig.phasedRegistrationNames;\n if (phasedRegistrationNames) {\n- for (var phaseName in phasedRegistrationNames) {\n+ for (const phaseName in phasedRegistrationNames) {\n if (phasedRegistrationNames.hasOwnProperty(phaseName)) {\n- var phasedRegistrationName = phasedRegistrationNames[phaseName];\n+ const phasedRegistrationName = phasedRegistrationNames[phaseName];\n publishRegistrationName(\n phasedRegistrationName,\n pluginModule,\n@@ -149,7 +149,7 @@ function publishRegistrationName(\n pluginModule.eventTypes[eventName].dependencies;\n \n if (__DEV__) {\n- var lowerCasedName = registrationName.toLowerCase();\n+ const lowerCasedName = registrationName.toLowerCase();\n possibleRegistrationNames[lowerCasedName] = registrationName;\n \n if (registrationName === 'onDoubleClick') {\n@@ -243,12 +243,12 @@ export function injectEventPluginsByName(\n }\n }\n \n- var isOrderingDirty = false;\n- for (var pluginName in injectedNamesToPlugins) {\n+ let isOrderingDirty = false;\n+ for (const pluginName in injectedNamesToPlugins) {\n if (!injectedNamesToPlugins.hasOwnProperty(pluginName)) {\n continue;\n }\n- var pluginModule = injectedNamesToPlugins[pluginName];\n+ const pluginModule = injectedNamesToPlugins[pluginName];\n if (\n !namesToPlugins.hasOwnProperty(pluginName) ||\n namesToPlugins[pluginName] !== pluginModule\ndiff --git a\/packages\/events\/EventPluginUtils.js b\/packages\/events\/EventPluginUtils.js\nindex 12e71021c9..d5e5a5e847 100644\n--- a\/packages\/events\/EventPluginUtils.js\n+++ b\/packages\/events\/EventPluginUtils.js\n@@ -45,19 +45,19 @@ export function isStartish(topLevelType) {\n return topLevelType === 'topMouseDown' || topLevelType === 'topTouchStart';\n }\n \n-var validateEventDispatches;\n+let validateEventDispatches;\n if (__DEV__) {\n validateEventDispatches = function(event) {\n- var dispatchListeners = event._dispatchListeners;\n- var dispatchInstances = event._dispatchInstances;\n+ const dispatchListeners = event._dispatchListeners;\n+ const dispatchInstances = event._dispatchInstances;\n \n- var listenersIsArr = Array.isArray(dispatchListeners);\n- var listenersLen = listenersIsArr\n+ const listenersIsArr = Array.isArray(dispatchListeners);\n+ const listenersLen = listenersIsArr\n ? dispatchListeners.length\n : dispatchListeners ? 1 : 0;\n \n- var instancesIsArr = Array.isArray(dispatchInstances);\n- var instancesLen = instancesIsArr\n+ const instancesIsArr = Array.isArray(dispatchInstances);\n+ const instancesLen = instancesIsArr\n ? dispatchInstances.length\n : dispatchInstances ? 1 : 0;\n \n@@ -76,7 +76,7 @@ if (__DEV__) {\n * @param {*} inst Internal component instance\n *\/\n function executeDispatch(event, simulated, listener, inst) {\n- var type = event.type || 'unknown-event';\n+ const type = event.type || 'unknown-event';\n event.currentTarget = getNodeFromInstance(inst);\n ReactErrorUtils.invokeGuardedCallbackAndCatchFirstError(\n type,\n@@ -91,13 +91,13 @@ function executeDispatch(event, simulated, listener, inst) {\n * Standard\/simple iteration through an event's collected dispatches.\n *\/\n export function executeDispatchesInOrder(event, simulated) {\n- var dispatchListeners = event._dispatchListeners;\n- var dispatchInstances = event._dispatchInstances;\n+ const dispatchListeners = event._dispatchListeners;\n+ const dispatchInstances = event._dispatchInstances;\n if (__DEV__) {\n validateEventDispatches(event);\n }\n if (Array.isArray(dispatchListeners)) {\n- for (var i = 0; i < dispatchListeners.length; i++) {\n+ for (let i = 0; i < dispatchListeners.length; i++) {\n if (event.isPropagationStopped()) {\n break;\n }\n@@ -124,13 +124,13 @@ export function executeDispatchesInOrder(event, simulated) {\n * true, or null if no listener returned true.\n *\/\n function executeDispatchesInOrderStopAtTrueImpl(event) {\n- var dispatchListeners = event._dispatchListeners;\n- var dispatchInstances = event._dispatchInstances;\n+ const dispatchListeners = event._dispatchListeners;\n+ const dispatchInstances = event._dispatchInstances;\n if (__DEV__) {\n validateEventDispatches(event);\n }\n if (Array.isArray(dispatchListeners)) {\n- for (var i = 0; i < dispatchListeners.length; i++) {\n+ for (let i = 0; i < dispatchListeners.length; i++) {\n if (event.isPropagationStopped()) {\n break;\n }\n@@ -151,7 +151,7 @@ function executeDispatchesInOrderStopAtTrueImpl(event) {\n * @see executeDispatchesInOrderStopAtTrueImpl\n *\/\n export function executeDispatchesInOrderStopAtTrue(event) {\n- var ret = executeDispatchesInOrderStopAtTrueImpl(event);\n+ const ret = executeDispatchesInOrderStopAtTrueImpl(event);\n event._dispatchInstances = null;\n event._dispatchListeners = null;\n return ret;\n@@ -170,8 +170,8 @@ export function executeDirectDispatch(event) {\n if (__DEV__) {\n validateEventDispatches(event);\n }\n- var dispatchListener = event._dispatchListeners;\n- var dispatchInstance = event._dispatchInstances;\n+ const dispatchListener = event._dispatchListeners;\n+ const dispatchInstance = event._dispatchInstances;\n invariant(\n !Array.isArray(dispatchListener),\n 'executeDirectDispatch(...): Invalid `event`.',\n@@ -179,7 +179,7 @@ export function executeDirectDispatch(event) {\n event.currentTarget = dispatchListener\n ? getNodeFromInstance(dispatchInstance)\n : null;\n- var res = dispatchListener ? dispatchListener(event) : null;\n+ const res = dispatchListener ? dispatchListener(event) : null;\n event.currentTarget = null;\n event._dispatchListeners = null;\n event._dispatchInstances = null;\ndiff --git a\/packages\/events\/EventPropagators.js b\/packages\/events\/EventPropagators.js\nindex f54440e3d3..451d18b852 100644\n--- a\/packages\/events\/EventPropagators.js\n+++ b\/packages\/events\/EventPropagators.js\n@@ -23,7 +23,7 @@ type PropagationPhases = 'bubbled' | 'captured';\n * \"phases\" of propagation. This finds listeners by a given phase.\n *\/\n function listenerAtPhase(inst, event, propagationPhase: PropagationPhases) {\n- var registrationName =\n+ const registrationName =\n event.dispatchConfig.phasedRegistrationNames[propagationPhase];\n return getListener(inst, registrationName);\n }\n@@ -48,7 +48,7 @@ function accumulateDirectionalDispatches(inst, phase, event) {\n if (__DEV__) {\n warning(inst, 'Dispatching inst must not be null');\n }\n- var listener = listenerAtPhase(inst, event, phase);\n+ const listener = listenerAtPhase(inst, event, phase);\n if (listener) {\n event._dispatchListeners = accumulateInto(\n event._dispatchListeners,\n@@ -76,8 +76,8 @@ function accumulateTwoPhaseDispatchesSingle(event) {\n *\/\n function accumulateTwoPhaseDispatchesSingleSkipTarget(event) {\n if (event && event.dispatchConfig.phasedRegistrationNames) {\n- var targetInst = event._targetInst;\n- var parentInst = targetInst ? getParentInstance(targetInst) : null;\n+ const targetInst = event._targetInst;\n+ const parentInst = targetInst ? getParentInstance(targetInst) : null;\n traverseTwoPhase(parentInst, accumulateDirectionalDispatches, event);\n }\n }\n@@ -89,8 +89,8 @@ function accumulateTwoPhaseDispatchesSingleSkipTarget(event) {\n *\/\n function accumulateDispatches(inst, ignoredDirection, event) {\n if (inst && event && event.dispatchConfig.registrationName) {\n- var registrationName = event.dispatchConfig.registrationName;\n- var listener = getListener(inst, registrationName);\n+ const registrationName = event.dispatchConfig.registrationName;\n+ const listener = getListener(inst, registrationName);\n if (listener) {\n event._dispatchListeners = accumulateInto(\n event._dispatchListeners,\ndiff --git a\/packages\/events\/ReactControlledComponent.js b\/packages\/events\/ReactControlledComponent.js\nindex 59a7b623e3..c03233cc21 100644\n--- a\/packages\/events\/ReactControlledComponent.js\n+++ b\/packages\/events\/ReactControlledComponent.js\n@@ -14,9 +14,9 @@ import {\n \n \/\/ Use to restore controlled state after a change event has fired.\n \n-var fiberHostComponent = null;\n+let fiberHostComponent = null;\n \n-var ReactControlledComponentInjection = {\n+const ReactControlledComponentInjection = {\n injectFiberControlledHostComponent: function(hostComponentImpl) {\n \/\/ The fiber implementation doesn't use dynamic dispatch so we need to\n \/\/ inject the implementation.\n@@ -24,13 +24,13 @@ var ReactControlledComponentInjection = {\n },\n };\n \n-var restoreTarget = null;\n-var restoreQueue = null;\n+let restoreTarget = null;\n+let restoreQueue = null;\n \n function restoreStateOfTarget(target) {\n \/\/ We perform this translation at the end of the event loop so that we\n \/\/ always receive the correct fiber here\n- var internalInstance = getInstanceFromNode(target);\n+ const internalInstance = getInstanceFromNode(target);\n if (!internalInstance) {\n \/\/ Unmounted\n return;\n@@ -67,14 +67,14 @@ export function restoreStateIfNeeded() {\n if (!restoreTarget) {\n return;\n }\n- var target = restoreTarget;\n- var queuedTargets = restoreQueue;\n+ const target = restoreTarget;\n+ const queuedTargets = restoreQueue;\n restoreTarget = null;\n restoreQueue = null;\n \n restoreStateOfTarget(target);\n if (queuedTargets) {\n- for (var i = 0; i < queuedTargets.length; i++) {\n+ for (let i = 0; i < queuedTargets.length; i++) {\n restoreStateOfTarget(queuedTargets[i]);\n }\n }\ndiff --git a\/packages\/events\/ReactEventEmitterMixin.js b\/packages\/events\/ReactEventEmitterMixin.js\nindex 43b0e6eca2..86bfe2e761 100644\n--- a\/packages\/events\/ReactEventEmitterMixin.js\n+++ b\/packages\/events\/ReactEventEmitterMixin.js\n@@ -26,7 +26,7 @@ export function handleTopLevel(\n nativeEvent,\n nativeEventTarget,\n ) {\n- var events = extractEvents(\n+ const events = extractEvents(\n topLevelType,\n targetInst,\n nativeEvent,\ndiff --git a\/packages\/events\/ReactGenericBatching.js b\/packages\/events\/ReactGenericBatching.js\nindex 42b27fd473..3e22cd54ce 100644\n--- a\/packages\/events\/ReactGenericBatching.js\n+++ b\/packages\/events\/ReactGenericBatching.js\n@@ -14,11 +14,11 @@ import {restoreStateIfNeeded} from '.\/ReactControlledComponent';\n \/\/ scheduled work and instead do synchronous work.\n \n \/\/ Defaults\n-var fiberBatchedUpdates = function(fn, bookkeeping) {\n+let fiberBatchedUpdates = function(fn, bookkeeping) {\n return fn(bookkeeping);\n };\n \n-var isNestingBatched = false;\n+let isNestingBatched = false;\n export function batchedUpdates(fn, bookkeeping) {\n if (isNestingBatched) {\n \/\/ If we are currently inside another batch, we need to wait until it\n@@ -39,7 +39,7 @@ export function batchedUpdates(fn, bookkeeping) {\n }\n }\n \n-var ReactGenericBatchingInjection = {\n+const ReactGenericBatchingInjection = {\n injectFiberBatchedUpdates: function(_batchedUpdates) {\n fiberBatchedUpdates = _batchedUpdates;\n },\ndiff --git a\/packages\/events\/ResponderEventPlugin.js b\/packages\/events\/ResponderEventPlugin.js\nindex c2d599bcca..202f8931f9 100644\n--- a\/packages\/events\/ResponderEventPlugin.js\n+++ b\/packages\/events\/ResponderEventPlugin.js\n@@ -29,21 +29,21 @@ import accumulate from '.\/accumulate';\n * Instance of element that should respond to touch\/move types of interactions,\n * as indicated explicitly by relevant callbacks.\n *\/\n-var responderInst = null;\n+let responderInst = null;\n \n \/**\n * Count of current touches. A textInput should become responder iff the\n * selection changes while there is a touch on the screen.\n *\/\n-var trackedTouchCount = 0;\n+let trackedTouchCount = 0;\n \n \/**\n * Last reported number of active touches.\n *\/\n-var previousActiveTouches = 0;\n+let previousActiveTouches = 0;\n \n-var changeResponder = function(nextResponderInst, blockHostResponder) {\n- var oldResponderInst = responderInst;\n+const changeResponder = function(nextResponderInst, blockHostResponder) {\n+ const oldResponderInst = responderInst;\n responderInst = nextResponderInst;\n if (ResponderEventPlugin.GlobalResponderHandler !== null) {\n ResponderEventPlugin.GlobalResponderHandler.onChange(\n@@ -54,7 +54,7 @@ var changeResponder = function(nextResponderInst, blockHostResponder) {\n }\n };\n \n-var eventTypes = {\n+const eventTypes = {\n \/**\n * On a `touchStart`\/`mouseDown`, is it desired that this element become the\n * responder?\n@@ -318,7 +318,7 @@ function setResponderAndExtractTransfer(\n nativeEvent,\n nativeEventTarget,\n ) {\n- var shouldSetEventType = isStartish(topLevelType)\n+ const shouldSetEventType = isStartish(topLevelType)\n ? eventTypes.startShouldSetResponder\n : isMoveish(topLevelType)\n ? eventTypes.moveShouldSetResponder\n@@ -327,7 +327,7 @@ function setResponderAndExtractTransfer(\n : eventTypes.scrollShouldSetResponder;\n \n \/\/ TODO: stop one short of the current responder.\n- var bubbleShouldSetFrom = !responderInst\n+ const bubbleShouldSetFrom = !responderInst\n ? targetInst\n : getLowestCommonAncestor(responderInst, targetInst);\n \n@@ -335,8 +335,8 @@ function setResponderAndExtractTransfer(\n \/\/ (deepest ID) if it happens to be the current responder. The reasoning:\n \/\/ It's strange to get an `onMoveShouldSetResponder` when you're *already*\n \/\/ the responder.\n- var skipOverBubbleShouldSetFrom = bubbleShouldSetFrom === responderInst;\n- var shouldSetEvent = ResponderSyntheticEvent.getPooled(\n+ const skipOverBubbleShouldSetFrom = bubbleShouldSetFrom === responderInst;\n+ const shouldSetEvent = ResponderSyntheticEvent.getPooled(\n shouldSetEventType,\n bubbleShouldSetFrom,\n nativeEvent,\n@@ -348,7 +348,7 @@ function setResponderAndExtractTransfer(\n } else {\n accumulateTwoPhaseDispatches(shouldSetEvent);\n }\n- var wantsResponderInst = executeDispatchesInOrderStopAtTrue(shouldSetEvent);\n+ const wantsResponderInst = executeDispatchesInOrderStopAtTrue(shouldSetEvent);\n if (!shouldSetEvent.isPersistent()) {\n shouldSetEvent.constructor.release(shouldSetEvent);\n }\n@@ -356,8 +356,8 @@ function setResponderAndExtractTransfer(\n if (!wantsResponderInst || wantsResponderInst === responderInst) {\n return null;\n }\n- var extracted;\n- var grantEvent = ResponderSyntheticEvent.getPooled(\n+ let extracted;\n+ const grantEvent = ResponderSyntheticEvent.getPooled(\n eventTypes.responderGrant,\n wantsResponderInst,\n nativeEvent,\n@@ -366,9 +366,9 @@ function setResponderAndExtractTransfer(\n grantEvent.touchHistory = ResponderTouchHistoryStore.touchHistory;\n \n accumulateDirectDispatches(grantEvent);\n- var blockHostResponder = executeDirectDispatch(grantEvent) === true;\n+ const blockHostResponder = executeDirectDispatch(grantEvent) === true;\n if (responderInst) {\n- var terminationRequestEvent = ResponderSyntheticEvent.getPooled(\n+ const terminationRequestEvent = ResponderSyntheticEvent.getPooled(\n eventTypes.responderTerminationRequest,\n responderInst,\n nativeEvent,\n@@ -377,7 +377,7 @@ function setResponderAndExtractTransfer(\n terminationRequestEvent.touchHistory =\n ResponderTouchHistoryStore.touchHistory;\n accumulateDirectDispatches(terminationRequestEvent);\n- var shouldSwitch =\n+ const shouldSwitch =\n !hasDispatches(terminationRequestEvent) ||\n executeDirectDispatch(terminationRequestEvent);\n if (!terminationRequestEvent.isPersistent()) {\n@@ -385,7 +385,7 @@ function setResponderAndExtractTransfer(\n }\n \n if (shouldSwitch) {\n- var terminateEvent = ResponderSyntheticEvent.getPooled(\n+ const terminateEvent = ResponderSyntheticEvent.getPooled(\n eventTypes.responderTerminate,\n responderInst,\n nativeEvent,\n@@ -396,7 +396,7 @@ function setResponderAndExtractTransfer(\n extracted = accumulate(extracted, [grantEvent, terminateEvent]);\n changeResponder(wantsResponderInst, blockHostResponder);\n } else {\n- var rejectEvent = ResponderSyntheticEvent.getPooled(\n+ const rejectEvent = ResponderSyntheticEvent.getPooled(\n eventTypes.responderReject,\n wantsResponderInst,\n nativeEvent,\n@@ -442,16 +442,16 @@ function canTriggerTransfer(topLevelType, topLevelInst, nativeEvent) {\n * @return {boolean} Whether or not this touch end event ends the responder.\n *\/\n function noResponderTouches(nativeEvent) {\n- var touches = nativeEvent.touches;\n+ const touches = nativeEvent.touches;\n if (!touches || touches.length === 0) {\n return true;\n }\n- for (var i = 0; i < touches.length; i++) {\n- var activeTouch = touches[i];\n- var target = activeTouch.target;\n+ for (let i = 0; i < touches.length; i++) {\n+ const activeTouch = touches[i];\n+ const target = activeTouch.target;\n if (target !== null && target !== undefined && target !== 0) {\n \/\/ Is the original touch location inside of the current responder?\n- var targetInst = getInstanceFromNode(target);\n+ const targetInst = getInstanceFromNode(target);\n if (isAncestor(responderInst, targetInst)) {\n return false;\n }\n@@ -460,7 +460,7 @@ function noResponderTouches(nativeEvent) {\n return true;\n }\n \n-var ResponderEventPlugin = {\n+const ResponderEventPlugin = {\n \/* For unit testing only *\/\n _getResponder: function() {\n return responderInst;\n@@ -494,7 +494,7 @@ var ResponderEventPlugin = {\n \n ResponderTouchHistoryStore.recordTouchTrack(topLevelType, nativeEvent);\n \n- var extracted = canTriggerTransfer(topLevelType, targetInst, nativeEvent)\n+ let extracted = canTriggerTransfer(topLevelType, targetInst, nativeEvent)\n ? setResponderAndExtractTransfer(\n topLevelType,\n targetInst,\n@@ -512,17 +512,17 @@ var ResponderEventPlugin = {\n \/\/ These multiple individual change touch events are are always bookended\n \/\/ by `onResponderGrant`, and one of\n \/\/ (`onResponderRelease\/onResponderTerminate`).\n- var isResponderTouchStart = responderInst && isStartish(topLevelType);\n- var isResponderTouchMove = responderInst && isMoveish(topLevelType);\n- var isResponderTouchEnd = responderInst && isEndish(topLevelType);\n- var incrementalTouch = isResponderTouchStart\n+ const isResponderTouchStart = responderInst && isStartish(topLevelType);\n+ const isResponderTouchMove = responderInst && isMoveish(topLevelType);\n+ const isResponderTouchEnd = responderInst && isEndish(topLevelType);\n+ const incrementalTouch = isResponderTouchStart\n ? eventTypes.responderStart\n : isResponderTouchMove\n ? eventTypes.responderMove\n : isResponderTouchEnd ? eventTypes.responderEnd : null;\n \n if (incrementalTouch) {\n- var gesture = ResponderSyntheticEvent.getPooled(\n+ const gesture = ResponderSyntheticEvent.getPooled(\n incrementalTouch,\n responderInst,\n nativeEvent,\n@@ -533,18 +533,18 @@ var ResponderEventPlugin = {\n extracted = accumulate(extracted, gesture);\n }\n \n- var isResponderTerminate =\n+ const isResponderTerminate =\n responderInst && topLevelType === 'topTouchCancel';\n- var isResponderRelease =\n+ const isResponderRelease =\n responderInst &&\n !isResponderTerminate &&\n isEndish(topLevelType) &&\n noResponderTouches(nativeEvent);\n- var finalTouch = isResponderTerminate\n+ const finalTouch = isResponderTerminate\n ? eventTypes.responderTerminate\n : isResponderRelease ? eventTypes.responderRelease : null;\n if (finalTouch) {\n- var finalEvent = ResponderSyntheticEvent.getPooled(\n+ const finalEvent = ResponderSyntheticEvent.getPooled(\n finalTouch,\n responderInst,\n nativeEvent,\n@@ -556,7 +556,7 @@ var ResponderEventPlugin = {\n changeResponder(null);\n }\n \n- var numberActiveTouches =\n+ const numberActiveTouches =\n ResponderTouchHistoryStore.touchHistory.numberActiveTouches;\n if (\n ResponderEventPlugin.GlobalInteractionHandler &&\ndiff --git a\/packages\/events\/ResponderSyntheticEvent.js b\/packages\/events\/ResponderSyntheticEvent.js\nindex 8f94680fdb..74ab4003a0 100644\n--- a\/packages\/events\/ResponderSyntheticEvent.js\n+++ b\/packages\/events\/ResponderSyntheticEvent.js\n@@ -12,7 +12,7 @@ import SyntheticEvent from '.\/SyntheticEvent';\n * interface will ensure that it is cleaned up when pooled\/destroyed. The\n * `ResponderEventPlugin` will populate it appropriately.\n *\/\n-var ResponderEventInterface = {\n+const ResponderEventInterface = {\n touchHistory: function(nativeEvent) {\n return null; \/\/ Actually doesn't even look at the native event.\n },\ndiff --git a\/packages\/events\/SyntheticEvent.js b\/packages\/events\/SyntheticEvent.js\nindex d3dfd7ab72..1fb66f6e46 100644\n--- a\/packages\/events\/SyntheticEvent.js\n+++ b\/packages\/events\/SyntheticEvent.js\n@@ -11,11 +11,11 @@ import emptyFunction from 'fbjs\/lib\/emptyFunction';\n import invariant from 'fbjs\/lib\/invariant';\n import warning from 'fbjs\/lib\/warning';\n \n-var didWarnForAddedNewProperty = false;\n-var isProxySupported = typeof Proxy === 'function';\n-var EVENT_POOL_SIZE = 10;\n+let didWarnForAddedNewProperty = false;\n+const isProxySupported = typeof Proxy === 'function';\n+const EVENT_POOL_SIZE = 10;\n \n-var shouldBeReleasedProperties = [\n+const shouldBeReleasedProperties = [\n 'dispatchConfig',\n '_targetInst',\n 'nativeEvent',\n@@ -29,7 +29,7 @@ var shouldBeReleasedProperties = [\n * @interface Event\n * @see http:\/\/www.w3.org\/TR\/DOM-Level-3-Events\/\n *\/\n-var EventInterface = {\n+const EventInterface = {\n type: null,\n target: null,\n \/\/ currentTarget is set when dispatching; no use in copying it here\n@@ -79,15 +79,15 @@ function SyntheticEvent(\n this._targetInst = targetInst;\n this.nativeEvent = nativeEvent;\n \n- var Interface = this.constructor.Interface;\n- for (var propName in Interface) {\n+ const Interface = this.constructor.Interface;\n+ for (const propName in Interface) {\n if (!Interface.hasOwnProperty(propName)) {\n continue;\n }\n if (__DEV__) {\n delete this[propName]; \/\/ this has a getter\/setter for warnings\n }\n- var normalize = Interface[propName];\n+ const normalize = Interface[propName];\n if (normalize) {\n this[propName] = normalize(nativeEvent);\n } else {\n@@ -99,7 +99,7 @@ function SyntheticEvent(\n }\n }\n \n- var defaultPrevented =\n+ const defaultPrevented =\n nativeEvent.defaultPrevented != null\n ? nativeEvent.defaultPrevented\n : nativeEvent.returnValue === false;\n@@ -115,7 +115,7 @@ function SyntheticEvent(\n Object.assign(SyntheticEvent.prototype, {\n preventDefault: function() {\n this.defaultPrevented = true;\n- var event = this.nativeEvent;\n+ const event = this.nativeEvent;\n if (!event) {\n return;\n }\n@@ -129,7 +129,7 @@ Object.assign(SyntheticEvent.prototype, {\n },\n \n stopPropagation: function() {\n- var event = this.nativeEvent;\n+ const event = this.nativeEvent;\n if (!event) {\n return;\n }\n@@ -168,8 +168,8 @@ Object.assign(SyntheticEvent.prototype, {\n * `PooledClass` looks for `destructor` on each instance it releases.\n *\/\n destructor: function() {\n- var Interface = this.constructor.Interface;\n- for (var propName in Interface) {\n+ const Interface = this.constructor.Interface;\n+ for (const propName in Interface) {\n if (__DEV__) {\n Object.defineProperty(\n this,\n@@ -180,7 +180,7 @@ Object.assign(SyntheticEvent.prototype, {\n this[propName] = null;\n }\n }\n- for (var i = 0; i < shouldBeReleasedProperties.length; i++) {\n+ for (let i = 0; i < shouldBeReleasedProperties.length; i++) {\n this[shouldBeReleasedProperties[i]] = null;\n }\n if (__DEV__) {\n@@ -212,11 +212,11 @@ SyntheticEvent.Interface = EventInterface;\n * @param {?object} Interface\n *\/\n SyntheticEvent.augmentClass = function(Class, Interface) {\n- var Super = this;\n+ const Super = this;\n \n- var E = function() {};\n+ const E = function() {};\n E.prototype = Super.prototype;\n- var prototype = new E();\n+ const prototype = new E();\n \n Object.assign(prototype, Class.prototype);\n Class.prototype = prototype;\n@@ -275,7 +275,7 @@ addEventPoolingTo(SyntheticEvent);\n * @return {object} defineProperty object\n *\/\n function getPooledWarningPropertyDefinition(propName, getVal) {\n- var isFunction = typeof getVal === 'function';\n+ const isFunction = typeof getVal === 'function';\n return {\n configurable: true,\n set: set,\n@@ -283,14 +283,16 @@ function getPooledWarningPropertyDefinition(propName, getVal) {\n };\n \n function set(val) {\n- var action = isFunction ? 'setting the method' : 'setting the property';\n+ const action = isFunction ? 'setting the method' : 'setting the property';\n warn(action, 'This is effectively a no-op');\n return val;\n }\n \n function get() {\n- var action = isFunction ? 'accessing the method' : 'accessing the property';\n- var result = isFunction\n+ const action = isFunction\n+ ? 'accessing the method'\n+ : 'accessing the property';\n+ const result = isFunction\n ? 'This is a no-op function'\n : 'This is set to null';\n warn(action, result);\n@@ -298,7 +300,7 @@ function getPooledWarningPropertyDefinition(propName, getVal) {\n }\n \n function warn(action, result) {\n- var warningCondition = false;\n+ const warningCondition = false;\n warning(\n warningCondition,\n \"This synthetic event is reused for performance reasons. If you're seeing this, \" +\n@@ -334,7 +336,7 @@ function getPooledEvent(dispatchConfig, targetInst, nativeEvent, nativeInst) {\n }\n \n function releasePooledEvent(event) {\n- var EventConstructor = this;\n+ const EventConstructor = this;\n invariant(\n event instanceof EventConstructor,\n 'Trying to release an event instance into a pool of a different type.',\ndiff --git a\/packages\/events\/TouchHistoryMath.js b\/packages\/events\/TouchHistoryMath.js\nindex f6d8b6fa56..87ae368ec3 100644\n--- a\/packages\/events\/TouchHistoryMath.js\n+++ b\/packages\/events\/TouchHistoryMath.js\n@@ -5,7 +5,7 @@\n * LICENSE file in the root directory of this source tree.\n *\/\n \n-var TouchHistoryMath = {\n+const TouchHistoryMath = {\n \/**\n * This code is optimized and not intended to look beautiful. This allows\n * computing of touch centroids that have moved after `touchesChangedAfter`\n@@ -28,11 +28,11 @@ var TouchHistoryMath = {\n isXAxis,\n ofCurrent,\n ) {\n- var touchBank = touchHistory.touchBank;\n- var total = 0;\n- var count = 0;\n+ const touchBank = touchHistory.touchBank;\n+ let total = 0;\n+ let count = 0;\n \n- var oneTouchData =\n+ const oneTouchData =\n touchHistory.numberActiveTouches === 1\n ? touchHistory.touchBank[touchHistory.indexOfSingleActiveTouch]\n : null;\n@@ -53,15 +53,15 @@ var TouchHistoryMath = {\n count = 1;\n }\n } else {\n- for (var i = 0; i < touchBank.length; i++) {\n- var touchTrack = touchBank[i];\n+ for (let i = 0; i < touchBank.length; i++) {\n+ const touchTrack = touchBank[i];\n if (\n touchTrack !== null &&\n touchTrack !== undefined &&\n touchTrack.touchActive &&\n touchTrack.currentTimeStamp >= touchesChangedAfter\n ) {\n- var toAdd; \/\/ Yuck, program temporarily in invalid state.\n+ let toAdd; \/\/ Yuck, program temporarily in invalid state.\n if (ofCurrent && isXAxis) {\n toAdd = touchTrack.currentPageX;\n } else if (ofCurrent && !isXAxis) {\ndiff --git a\/packages\/events\/__tests__\/EventPluginRegistry-test.internal.js b\/packages\/events\/__tests__\/EventPluginRegistry-test.internal.js\nindex 3af0a78237..93f21d45ab 100644\n--- a\/packages\/events\/__tests__\/EventPluginRegistry-test.internal.js\n+++ b\/packages\/events\/__tests__\/EventPluginRegistry-test.internal.js\n@@ -10,8 +10,8 @@\n 'use strict';\n \n describe('EventPluginRegistry', () => {\n- var EventPluginRegistry;\n- var createPlugin;\n+ let EventPluginRegistry;\n+ let createPlugin;\n \n beforeEach(() => {\n jest.resetModuleRegistry();\n@@ -27,9 +27,9 @@ describe('EventPluginRegistry', () => {\n });\n \n it('should be able to inject ordering before plugins', () => {\n- var OnePlugin = createPlugin();\n- var TwoPlugin = createPlugin();\n- var ThreePlugin = createPlugin();\n+ const OnePlugin = createPlugin();\n+ const TwoPlugin = createPlugin();\n+ const ThreePlugin = createPlugin();\n \n EventPluginRegistry.injectEventPluginOrder(['one', 'two', 'three']);\n EventPluginRegistry.injectEventPluginsByName({\n@@ -47,9 +47,9 @@ describe('EventPluginRegistry', () => {\n });\n \n it('should be able to inject plugins before and after ordering', () => {\n- var OnePlugin = createPlugin();\n- var TwoPlugin = createPlugin();\n- var ThreePlugin = createPlugin();\n+ const OnePlugin = createPlugin();\n+ const TwoPlugin = createPlugin();\n+ const ThreePlugin = createPlugin();\n \n EventPluginRegistry.injectEventPluginsByName({\n one: OnePlugin,\n@@ -67,9 +67,9 @@ describe('EventPluginRegistry', () => {\n });\n \n it('should be able to inject repeated plugins and out-of-order', () => {\n- var OnePlugin = createPlugin();\n- var TwoPlugin = createPlugin();\n- var ThreePlugin = createPlugin();\n+ const OnePlugin = createPlugin();\n+ const TwoPlugin = createPlugin();\n+ const ThreePlugin = createPlugin();\n \n EventPluginRegistry.injectEventPluginsByName({\n one: OnePlugin,\n@@ -88,7 +88,7 @@ describe('EventPluginRegistry', () => {\n });\n \n it('should throw if plugin does not implement `extractEvents`', () => {\n- var BadPlugin = {};\n+ const BadPlugin = {};\n \n EventPluginRegistry.injectEventPluginOrder(['bad']);\n \n@@ -103,8 +103,8 @@ describe('EventPluginRegistry', () => {\n });\n \n it('should throw if plugin does not exist in ordering', () => {\n- var OnePlugin = createPlugin();\n- var RandomPlugin = createPlugin();\n+ const OnePlugin = createPlugin();\n+ const RandomPlugin = createPlugin();\n \n EventPluginRegistry.injectEventPluginOrder(['one']);\n \n@@ -120,7 +120,7 @@ describe('EventPluginRegistry', () => {\n });\n \n it('should throw if ordering is injected more than once', () => {\n- var pluginOrdering = [];\n+ const pluginOrdering = [];\n \n EventPluginRegistry.injectEventPluginOrder(pluginOrdering);\n \n@@ -133,8 +133,8 @@ describe('EventPluginRegistry', () => {\n });\n \n it('should throw if different plugins injected using same name', () => {\n- var OnePlugin = createPlugin();\n- var TwoPlugin = createPlugin();\n+ const OnePlugin = createPlugin();\n+ const TwoPlugin = createPlugin();\n \n EventPluginRegistry.injectEventPluginsByName({same: OnePlugin});\n \n@@ -147,13 +147,13 @@ describe('EventPluginRegistry', () => {\n });\n \n it('should publish registration names of injected plugins', () => {\n- var OnePlugin = createPlugin({\n+ const OnePlugin = createPlugin({\n eventTypes: {\n click: {registrationName: 'onClick'},\n focus: {registrationName: 'onFocus'},\n },\n });\n- var TwoPlugin = createPlugin({\n+ const TwoPlugin = createPlugin({\n eventTypes: {\n magic: {\n phasedRegistrationNames: {\n@@ -187,12 +187,12 @@ describe('EventPluginRegistry', () => {\n });\n \n it('should throw if multiple registration names collide', () => {\n- var OnePlugin = createPlugin({\n+ const OnePlugin = createPlugin({\n eventTypes: {\n photoCapture: {registrationName: 'onPhotoCapture'},\n },\n });\n- var TwoPlugin = createPlugin({\n+ const TwoPlugin = createPlugin({\n eventTypes: {\n photo: {\n phasedRegistrationNames: {\n@@ -217,7 +217,7 @@ describe('EventPluginRegistry', () => {\n });\n \n it('should throw if an invalid event is published', () => {\n- var OnePlugin = createPlugin({\n+ const OnePlugin = createPlugin({\n eventTypes: {\n badEvent: {\n \/* missing configuration *\/\ndiff --git a\/packages\/events\/__tests__\/ResponderEventPlugin-test.internal.js b\/packages\/events\/__tests__\/ResponderEventPlugin-test.internal.js\nindex 15cdd32617..e9283628e1 100644\n--- a\/packages\/events\/__tests__\/ResponderEventPlugin-test.internal.js\n+++ b\/packages\/events\/__tests__\/ResponderEventPlugin-test.internal.js\n@@ -9,12 +9,12 @@\n \n 'use strict';\n \n-var {HostComponent} = require('shared\/ReactTypeOfWork');\n+const {HostComponent} = require('shared\/ReactTypeOfWork');\n \n-var EventPluginHub;\n-var ResponderEventPlugin;\n+let EventPluginHub;\n+let ResponderEventPlugin;\n \n-var touch = function(nodeHandle, i) {\n+const touch = function(nodeHandle, i) {\n return {target: nodeHandle, identifier: i};\n };\n \n@@ -25,7 +25,7 @@ var touch = function(nodeHandle, i) {\n * @return {TouchEvent} Model of a touch event that is compliant with responder\n * system plugin.\n *\/\n-var touchEvent = function(nodeHandle, touches, changedTouches) {\n+const touchEvent = function(nodeHandle, touches, changedTouches) {\n return {\n target: nodeHandle,\n changedTouches: changedTouches,\n@@ -33,18 +33,18 @@ var touchEvent = function(nodeHandle, touches, changedTouches) {\n };\n };\n \n-var subsequence = function(arr, indices) {\n- var ret = [];\n- for (var i = 0; i < indices.length; i++) {\n- var index = indices[i];\n+const subsequence = function(arr, indices) {\n+ const ret = [];\n+ for (let i = 0; i < indices.length; i++) {\n+ const index = indices[i];\n ret.push(arr[index]);\n }\n return ret;\n };\n \n-var antiSubsequence = function(arr, indices) {\n- var ret = [];\n- for (var i = 0; i < arr.length; i++) {\n+const antiSubsequence = function(arr, indices) {\n+ const ret = [];\n+ for (let i = 0; i < arr.length; i++) {\n if (indices.indexOf(i) === -1) {\n ret.push(arr[i]);\n }\n@@ -56,16 +56,16 @@ var antiSubsequence = function(arr, indices) {\n * Helper for creating touch test config data.\n * @param allTouchHandles\n *\/\n-var _touchConfig = function(\n+const _touchConfig = function(\n topType,\n targetNodeHandle,\n allTouchHandles,\n changedIndices,\n eventTarget,\n ) {\n- var allTouchObjects = allTouchHandles.map(touch);\n- var changedTouchObjects = subsequence(allTouchObjects, changedIndices);\n- var activeTouchObjects = topType === 'topTouchStart'\n+ const allTouchObjects = allTouchHandles.map(touch);\n+ const changedTouchObjects = subsequence(allTouchObjects, changedIndices);\n+ const activeTouchObjects = topType === 'topTouchStart'\n ? allTouchObjects\n : topType === 'topTouchMove'\n ? allTouchObjects\n@@ -104,7 +104,7 @@ var _touchConfig = function(\n * @return {object} Config data used by test cases for extracting responder\n * events.\n *\/\n-var startConfig = function(nodeHandle, allTouchHandles, changedIndices) {\n+const startConfig = function(nodeHandle, allTouchHandles, changedIndices) {\n return _touchConfig(\n 'topTouchStart',\n nodeHandle,\n@@ -117,7 +117,7 @@ var startConfig = function(nodeHandle, allTouchHandles, changedIndices) {\n \/**\n * @see `startConfig`\n *\/\n-var moveConfig = function(nodeHandle, allTouchHandles, changedIndices) {\n+const moveConfig = function(nodeHandle, allTouchHandles, changedIndices) {\n return _touchConfig(\n 'topTouchMove',\n nodeHandle,\n@@ -130,7 +130,7 @@ var moveConfig = function(nodeHandle, allTouchHandles, changedIndices) {\n \/**\n * @see `startConfig`\n *\/\n-var endConfig = function(nodeHandle, allTouchHandles, changedIndices) {\n+const endConfig = function(nodeHandle, allTouchHandles, changedIndices) {\n return _touchConfig(\n 'topTouchEnd',\n nodeHandle,\n@@ -167,9 +167,9 @@ var endConfig = function(nodeHandle, allTouchHandles, changedIndices) {\n * ever invoked).\n *\n *\/\n-var NA = -1;\n-var oneEventLoopTestConfig = function(readableIDToID) {\n- var ret = {\n+const NA = -1;\n+const oneEventLoopTestConfig = function(readableIDToID) {\n+ const ret = {\n \/\/ Negotiation\n scrollShouldSetResponder: {bubbled: {}, captured: {}},\n startShouldSetResponder: {bubbled: {}, captured: {}},\n@@ -185,8 +185,8 @@ var oneEventLoopTestConfig = function(readableIDToID) {\n responderEnd: {},\n responderRelease: {},\n };\n- for (var eventName in ret) {\n- for (var readableNodeName in readableIDToID) {\n+ for (const eventName in ret) {\n+ for (const readableNodeName in readableIDToID) {\n if (ret[eventName].bubbled) {\n \/\/ Two phase\n ret[eventName].bubbled[readableNodeName] = {\n@@ -215,9 +215,9 @@ var oneEventLoopTestConfig = function(readableIDToID) {\n * @param {object} eventTestConfig\n * @param {object} readableIDToID\n *\/\n-var registerTestHandlers = function(eventTestConfig, readableIDToID) {\n- var runs = {dispatchCount: 0};\n- var neverFire = function(readableID, registrationName) {\n+const registerTestHandlers = function(eventTestConfig, readableIDToID) {\n+ const runs = {dispatchCount: 0};\n+ const neverFire = function(readableID, registrationName) {\n runs.dispatchCount++;\n expect('').toBe(\n 'Event type: ' +\n@@ -230,11 +230,11 @@ var registerTestHandlers = function(eventTestConfig, readableIDToID) {\n );\n };\n \n- var registerOneEventType = function(registrationName, eventTypeTestConfig) {\n- for (var readableID in eventTypeTestConfig) {\n- var nodeConfig = eventTypeTestConfig[readableID];\n- var id = readableIDToID[readableID];\n- var handler = nodeConfig.order === NA\n+ const registerOneEventType = function(registrationName, eventTypeTestConfig) {\n+ for (const readableID in eventTypeTestConfig) {\n+ const nodeConfig = eventTypeTestConfig[readableID];\n+ const id = readableIDToID[readableID];\n+ const handler = nodeConfig.order === NA\n ? neverFire.bind(null, readableID, registrationName)\n : \/\/ We partially apply readableID and nodeConfig, as they change in the\n \/\/ parent closure across iterations.\n@@ -250,9 +250,9 @@ var registerTestHandlers = function(eventTestConfig, readableIDToID) {\n putListener(getInstanceFromNode(id), registrationName, handler);\n }\n };\n- for (var eventName in eventTestConfig) {\n- var oneEventTypeTestConfig = eventTestConfig[eventName];\n- var hasTwoPhase = !!oneEventTypeTestConfig.bubbled;\n+ for (const eventName in eventTestConfig) {\n+ const oneEventTypeTestConfig = eventTestConfig[eventName];\n+ const hasTwoPhase = !!oneEventTypeTestConfig.bubbled;\n if (hasTwoPhase) {\n registerOneEventType(\n ResponderEventPlugin.eventTypes[eventName].phasedRegistrationNames\n@@ -274,16 +274,16 @@ var registerTestHandlers = function(eventTestConfig, readableIDToID) {\n return runs;\n };\n \n-var run = function(config, hierarchyConfig, nativeEventConfig) {\n- var max = NA;\n- var searchForMax = function(nodeConfig) {\n- for (var readableID in nodeConfig) {\n- var order = nodeConfig[readableID].order;\n+const run = function(config, hierarchyConfig, nativeEventConfig) {\n+ let max = NA;\n+ const searchForMax = function(nodeConfig) {\n+ for (const readableID in nodeConfig) {\n+ const order = nodeConfig[readableID].order;\n max = order > max ? order : max;\n }\n };\n- for (var eventName in config) {\n- var eventConfig = config[eventName];\n+ for (const eventName in config) {\n+ const eventConfig = config[eventName];\n if (eventConfig.bubbled) {\n searchForMax(eventConfig.bubbled);\n searchForMax(eventConfig.captured);\n@@ -293,10 +293,10 @@ var run = function(config, hierarchyConfig, nativeEventConfig) {\n }\n \n \/\/ Register the handlers\n- var runData = registerTestHandlers(config, hierarchyConfig);\n+ const runData = registerTestHandlers(config, hierarchyConfig);\n \n \/\/ Trigger the event\n- var extractedEvents = ResponderEventPlugin.extractEvents(\n+ const extractedEvents = ResponderEventPlugin.extractEvents(\n nativeEventConfig.topLevelType,\n nativeEventConfig.targetInst,\n nativeEventConfig.nativeEvent,\n@@ -315,32 +315,32 @@ var run = function(config, hierarchyConfig, nativeEventConfig) {\n ); \/\/ +1 for extra ++\n };\n \n-var GRANDPARENT_HOST_NODE = {};\n-var PARENT_HOST_NODE = {};\n-var CHILD_HOST_NODE = {};\n-var CHILD_HOST_NODE2 = {};\n+const GRANDPARENT_HOST_NODE = {};\n+const PARENT_HOST_NODE = {};\n+const CHILD_HOST_NODE = {};\n+const CHILD_HOST_NODE2 = {};\n \n \/\/ These intentionally look like Fibers. ReactTreeTraversal depends on their field names.\n \/\/ TODO: we could test this with regular DOM nodes (and real fibers) instead.\n-var GRANDPARENT_INST = {\n+const GRANDPARENT_INST = {\n return: null,\n tag: HostComponent,\n stateNode: GRANDPARENT_HOST_NODE,\n memoizedProps: {},\n };\n-var PARENT_INST = {\n+const PARENT_INST = {\n return: GRANDPARENT_INST,\n tag: HostComponent,\n stateNode: PARENT_HOST_NODE,\n memoizedProps: {},\n };\n-var CHILD_INST = {\n+const CHILD_INST = {\n return: PARENT_INST,\n tag: HostComponent,\n stateNode: CHILD_HOST_NODE,\n memoizedProps: {},\n };\n-var CHILD_INST2 = {\n+const CHILD_INST2 = {\n return: PARENT_INST,\n tag: HostComponent,\n stateNode: CHILD_HOST_NODE2,\n@@ -352,13 +352,13 @@ PARENT_HOST_NODE.testInstance = PARENT_INST;\n CHILD_HOST_NODE.testInstance = CHILD_INST;\n CHILD_HOST_NODE2.testInstance = CHILD_INST2;\n \n-var three = {\n+const three = {\n grandParent: GRANDPARENT_HOST_NODE,\n parent: PARENT_HOST_NODE,\n child: CHILD_HOST_NODE,\n };\n \n-var siblings = {\n+const siblings = {\n parent: PARENT_HOST_NODE,\n childOne: CHILD_HOST_NODE,\n childTwo: CHILD_HOST_NODE2,\n@@ -411,7 +411,7 @@ describe('ResponderEventPlugin', () => {\n });\n \n it('should do nothing when no one wants to respond', () => {\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n config.startShouldSetResponder.captured.grandParent = {\n order: 0,\n returnVal: false,\n@@ -448,7 +448,7 @@ describe('ResponderEventPlugin', () => {\n *\/\n \n it('should grant responder grandParent while capturing', () => {\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n config.startShouldSetResponder.captured.grandParent = {\n order: 0,\n returnVal: true,\n@@ -468,7 +468,7 @@ describe('ResponderEventPlugin', () => {\n });\n \n it('should grant responder parent while capturing', () => {\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n config.startShouldSetResponder.captured.grandParent = {\n order: 0,\n returnVal: false,\n@@ -492,7 +492,7 @@ describe('ResponderEventPlugin', () => {\n });\n \n it('should grant responder child while capturing', () => {\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n config.startShouldSetResponder.captured.grandParent = {\n order: 0,\n returnVal: false,\n@@ -517,7 +517,7 @@ describe('ResponderEventPlugin', () => {\n });\n \n it('should grant responder child while bubbling', () => {\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n config.startShouldSetResponder.captured.grandParent = {\n order: 0,\n returnVal: false,\n@@ -546,7 +546,7 @@ describe('ResponderEventPlugin', () => {\n });\n \n it('should grant responder parent while bubbling', () => {\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n config.startShouldSetResponder.captured.grandParent = {\n order: 0,\n returnVal: false,\n@@ -576,7 +576,7 @@ describe('ResponderEventPlugin', () => {\n });\n \n it('should grant responder grandParent while bubbling', () => {\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n config.startShouldSetResponder.captured.grandParent = {\n order: 0,\n returnVal: false,\n@@ -618,7 +618,7 @@ describe('ResponderEventPlugin', () => {\n *\/\n \n it('should grant responder grandParent while capturing move', () => {\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n \n config.startShouldSetResponder.captured.grandParent = {order: 0};\n config.startShouldSetResponder.captured.parent = {order: 1};\n@@ -648,7 +648,7 @@ describe('ResponderEventPlugin', () => {\n });\n \n it('should grant responder parent while capturing move', () => {\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n \n config.startShouldSetResponder.captured.grandParent = {order: 0};\n config.startShouldSetResponder.captured.parent = {order: 1};\n@@ -679,7 +679,7 @@ describe('ResponderEventPlugin', () => {\n });\n \n it('should grant responder child while capturing move', () => {\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n \n config.startShouldSetResponder.captured.grandParent = {order: 0};\n config.startShouldSetResponder.captured.parent = {order: 1};\n@@ -714,7 +714,7 @@ describe('ResponderEventPlugin', () => {\n });\n \n it('should grant responder child while bubbling move', () => {\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n \n config.startShouldSetResponder.captured.grandParent = {order: 0};\n config.startShouldSetResponder.captured.parent = {order: 1};\n@@ -750,7 +750,7 @@ describe('ResponderEventPlugin', () => {\n });\n \n it('should grant responder parent while bubbling move', () => {\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n \n config.startShouldSetResponder.captured.grandParent = {order: 0};\n config.startShouldSetResponder.captured.parent = {order: 1};\n@@ -787,7 +787,7 @@ describe('ResponderEventPlugin', () => {\n });\n \n it('should grant responder grandParent while bubbling move', () => {\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n \n config.startShouldSetResponder.captured.grandParent = {order: 0};\n config.startShouldSetResponder.captured.parent = {order: 1};\n@@ -833,7 +833,7 @@ describe('ResponderEventPlugin', () => {\n *\/\n \n it('should bubble negotiation to first common ancestor of responder', () => {\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n config.startShouldSetResponder.captured.grandParent = {\n order: 0,\n returnVal: false,\n@@ -875,7 +875,7 @@ describe('ResponderEventPlugin', () => {\n });\n \n it('should bubble negotiation to first common ancestor of responder then transfer', () => {\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n config.startShouldSetResponder.captured.grandParent = {\n order: 0,\n returnVal: false,\n@@ -932,7 +932,7 @@ describe('ResponderEventPlugin', () => {\n *\/\n it('should negotiate with deepest target on second touch if nothing is responder', () => {\n \/\/ Initially nothing wants to become the responder\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n config.startShouldSetResponder.captured.grandParent = {\n order: 0,\n returnVal: false,\n@@ -1080,7 +1080,7 @@ describe('ResponderEventPlugin', () => {\n *\/\n it('should negotiate until first common ancestor when there are siblings', () => {\n \/\/ Initially nothing wants to become the responder\n- var config = oneEventLoopTestConfig(siblings);\n+ let config = oneEventLoopTestConfig(siblings);\n config.startShouldSetResponder.captured.parent = {\n order: 0,\n returnVal: false,\n@@ -1119,7 +1119,7 @@ describe('ResponderEventPlugin', () => {\n };\n config.responderStart.childOne = {order: 2};\n \n- var touchConfig = startConfig(\n+ const touchConfig = startConfig(\n siblings.childTwo,\n [siblings.childOne, siblings.childTwo],\n [1],\n@@ -1174,7 +1174,7 @@ describe('ResponderEventPlugin', () => {\n \n it('should notify of being rejected. responderStart\/Move happens on current responder', () => {\n \/\/ Initially nothing wants to become the responder\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n config.startShouldSetResponder.captured.grandParent = {\n order: 0,\n returnVal: false,\n@@ -1213,7 +1213,7 @@ describe('ResponderEventPlugin', () => {\n \/\/ The start\/move should occur on the original responder if new one is rejected\n config.responderMove.child = {order: 6};\n \n- var touchConfig = moveConfig(three.child, [three.child], [0]);\n+ let touchConfig = moveConfig(three.child, [three.child], [0]);\n run(config, three, touchConfig);\n expect(ResponderEventPlugin._getResponder()).toBe(\n getInstanceFromNode(three.child),\n@@ -1244,7 +1244,7 @@ describe('ResponderEventPlugin', () => {\n \n it('should negotiate scroll', () => {\n \/\/ Initially nothing wants to become the responder\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n config.startShouldSetResponder.captured.grandParent = {\n order: 0,\n returnVal: false,\n@@ -1325,7 +1325,7 @@ describe('ResponderEventPlugin', () => {\n \n it('should cancel correctly', () => {\n \/\/ Initially our child becomes responder\n- var config = oneEventLoopTestConfig(three);\n+ let config = oneEventLoopTestConfig(three);\n config.startShouldSetResponder.captured.grandParent = {\n order: 0,\n returnVal: false,\n@@ -1351,7 +1351,7 @@ describe('ResponderEventPlugin', () => {\n config.responderEnd.child = {order: 0};\n config.responderTerminate.child = {order: 1};\n \n- var nativeEvent = _touchConfig(\n+ const nativeEvent = _touchConfig(\n 'topTouchCancel',\n three.child,\n [three.child],\n@@ -1364,10 +1364,10 @@ describe('ResponderEventPlugin', () => {\n it('should determine the first common ancestor correctly', () => {\n \/\/ This test was moved here from the ReactTreeTraversal test since only the \n \/\/ ResponderEventPlugin uses `getLowestCommonAncestor`\n- var React = require('react');\n- var ReactTestUtils = require('react-dom\/test-utils');\n- var ReactTreeTraversal = require('shared\/ReactTreeTraversal');\n- var ReactDOMComponentTree = require('..\/..\/react-dom\/src\/client\/ReactDOMComponentTree');\n+ const React = require('react');\n+ const ReactTestUtils = require('react-dom\/test-utils');\n+ const ReactTreeTraversal = require('shared\/ReactTreeTraversal');\n+ const ReactDOMComponentTree = require('..\/..\/react-dom\/src\/client\/ReactDOMComponentTree');\n \n class ChildComponent extends React.Component {\n render() {\n@@ -1394,9 +1394,9 @@ describe('ResponderEventPlugin', () => {\n }\n }\n \n- var parent = ReactTestUtils.renderIntoDocument();\n+ const parent = ReactTestUtils.renderIntoDocument();\n \n- var ancestors = [\n+ const ancestors = [\n \/\/ Common ancestor with self is self.\n {\n one: parent.refs.P_P1_C1.refs.DIV_1,\n@@ -1436,10 +1436,10 @@ describe('ResponderEventPlugin', () => {\n com: parent.refs.P,\n },\n ];\n- var i;\n+ let i;\n for (i = 0; i < ancestors.length; i++) {\n- var plan = ancestors[i];\n- var firstCommon = ReactTreeTraversal.getLowestCommonAncestor(\n+ const plan = ancestors[i];\n+ const firstCommon = ReactTreeTraversal.getLowestCommonAncestor(\n ReactDOMComponentTree.getInstanceFromNode(plan.one),\n ReactDOMComponentTree.getInstanceFromNode(plan.two),\n );\ndiff --git a\/packages\/events\/__tests__\/accumulateInto-test.internal.js b\/packages\/events\/__tests__\/accumulateInto-test.internal.js\nindex e04bba5d36..2ee9d547c6 100644\n--- a\/packages\/events\/__tests__\/accumulateInto-test.internal.js\n+++ b\/packages\/events\/__tests__\/accumulateInto-test.internal.js\n@@ -9,7 +9,7 @@\n \n 'use strict';\n \n-var accumulateInto;\n+let accumulateInto;\n \n describe('accumulateInto', () => {\n beforeEach(() => {\n@@ -25,23 +25,23 @@ describe('accumulateInto', () => {\n });\n \n it('returns the second item if first is null', () => {\n- var a = [];\n+ const a = [];\n expect(accumulateInto(null, a)).toBe(a);\n });\n \n it('merges the second into the first if first item is an array', () => {\n- var a = [1, 2];\n- var b = [3, 4];\n+ const a = [1, 2];\n+ const b = [3, 4];\n accumulateInto(a, b);\n expect(a).toEqual([1, 2, 3, 4]);\n expect(b).toEqual([3, 4]);\n- var c = [1];\n+ const c = [1];\n accumulateInto(c, 2);\n expect(c).toEqual([1, 2]);\n });\n \n it('returns a new array if first or both items are scalar', () => {\n- var a = [2];\n+ const a = [2];\n expect(accumulateInto(1, a)).toEqual([1, 2]);\n expect(a).toEqual([2]);\n expect(accumulateInto(1, 2)).toEqual([1, 2]);\n","commit":{"revision":"2decfe97dc74b580f2b6e4b0af38c43708773cc6","shortRevision":"2decfe97dc","subject":"events: convert var to let\/const (#11714)","authorEmail":"rapha850@gmail.com","authoredAt":"2017-11-30T10:07:40-02:00","authorName":"Raphael Amorim"},"body":"","files":[{"path":"packages\/events\/EventPluginHub.js","status":"M"},{"path":"packages\/events\/EventPluginRegistry.js","status":"M"},{"path":"packages\/events\/EventPluginUtils.js","status":"M"},{"path":"packages\/events\/EventPropagators.js","status":"M"},{"path":"packages\/events\/ReactControlledComponent.js","status":"M"},{"path":"packages\/events\/ReactEventEmitterMixin.js","status":"M"},{"path":"packages\/events\/ReactGenericBatching.js","status":"M"},{"path":"packages\/events\/ResponderEventPlugin.js","status":"M"},{"path":"packages\/events\/ResponderSyntheticEvent.js","status":"M"},{"path":"packages\/events\/SyntheticEvent.js","status":"M"},{"path":"packages\/events\/TouchHistoryMath.js","status":"M"},{"path":"packages\/events\/__tests__\/EventPluginRegistry-test.internal.js","status":"M"},{"path":"packages\/events\/__tests__\/ResponderEventPlugin-test.internal.js","status":"M"},{"path":"packages\/events\/__tests__\/accumulateInto-test.internal.js","status":"M"}]}

dillon1000/react

Files changed