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[Flare] Update interactiveUpdates flushing heuristics #15687

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Merged
merged 14 commits into from
May 21, 2019
Merged

[Flare] Update interactiveUpdates flushing heuristics #15687

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41d39be
Alter interactiveUpdates heuristics when handling events
trueadm May 20, 2019
0263165
Remove nesting layer and add test
trueadm May 20, 2019
b821081
Address feedback
trueadm May 20, 2019
5096048
Address feedback
trueadm May 20, 2019
3c2f42d
Remove .only
trueadm May 20, 2019
592a89b
Adds batchedEventUpdates and addresses feedback
trueadm May 21, 2019
773ce49
Reduce code size
trueadm May 21, 2019
6dcb4fb
Fix test in prod
trueadm May 21, 2019
9312d3d
Firefox < 53 bail out using timeStamp heuristic
trueadm May 21, 2019
228efd7
Remove console.log
trueadm May 21, 2019
f6c57af
Add TODO
trueadm May 21, 2019
eef7b78
Remove FF UA check
trueadm May 21, 2019
8050d88
Add inline message to describe intent
trueadm May 21, 2019
52ffb56
Update comment
trueadm May 21, 2019
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36 changes: 21 additions & 15 deletions packages/events/ReactGenericBatching.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@ import {
needsStateRestore,
restoreStateIfNeeded,
} from './ReactControlledComponent';
import {enableEventAPI} from 'shared/ReactFeatureFlags';

// Used as a way to call batchedUpdates when we don't have a reference to
// the renderer. Such as when we're dispatching events or if third party
Expand All @@ -17,13 +18,13 @@ import {
// scheduled work and instead do synchronous work.

// Defaults
let _batchedUpdatesImpl = function(fn, bookkeeping) {
let batchedUpdatesImpl = function(fn, bookkeeping) {
return fn(bookkeeping);
};
let _interactiveUpdatesImpl = function(fn, a, b, c) {
let discreteUpdatesImpl = function(fn, a, b, c) {
return fn(a, b, c);
};
let _flushInteractiveUpdatesImpl = function() {};
let flushDiscreteUpdatesImpl = function() {};

let isBatching = false;
export function batchedUpdates(fn, bookkeeping) {
Expand All @@ -34,7 +35,7 @@ export function batchedUpdates(fn, bookkeeping) {
}
isBatching = true;
try {
return _batchedUpdatesImpl(fn, bookkeeping);
return batchedUpdatesImpl(fn, bookkeeping);
} finally {
// Here we wait until all updates have propagated, which is important
// when using controlled components within layers:
Expand All @@ -46,26 +47,31 @@ export function batchedUpdates(fn, bookkeeping) {
// If a controlled event was fired, we may need to restore the state of
// the DOM node back to the controlled value. This is necessary when React
// bails out of the update without touching the DOM.
_flushInteractiveUpdatesImpl();
flushDiscreteUpdatesImpl();
restoreStateIfNeeded();
}
}
}

export function interactiveUpdates(fn, a, b, c) {
return _interactiveUpdatesImpl(fn, a, b, c);
export function discreteUpdates(fn, a, b, c) {
return discreteUpdatesImpl(fn, a, b, c);
}

export function flushInteractiveUpdates() {
return _flushInteractiveUpdatesImpl();
let lastInteractiveTimeStamp = 0;

export function flushDiscreteUpdates(timeStamp?: number) {
if (!enableEventAPI || !timeStamp || lastInteractiveTimeStamp !== timeStamp) {
lastInteractiveTimeStamp = timeStamp;
return flushDiscreteUpdatesImpl();
}
}

export function setBatchingImplementation(
batchedUpdatesImpl,
interactiveUpdatesImpl,
flushInteractiveUpdatesImpl,
_batchedUpdatesImpl,
_discreteUpdatesImpl,
_flushDiscreteUpdatesImpl,
) {
_batchedUpdatesImpl = batchedUpdatesImpl;
_interactiveUpdatesImpl = interactiveUpdatesImpl;
_flushInteractiveUpdatesImpl = flushInteractiveUpdatesImpl;
batchedUpdatesImpl = _batchedUpdatesImpl;
discreteUpdatesImpl = _discreteUpdatesImpl;
flushDiscreteUpdatesImpl = _flushDiscreteUpdatesImpl;
}
13 changes: 8 additions & 5 deletions packages/react-dom/src/client/ReactDOM.js
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Original file line number Diff line number Diff line change
Expand Up @@ -28,8 +28,8 @@ import {
updateContainer,
batchedUpdates,
unbatchedUpdates,
interactiveUpdates,
flushInteractiveUpdates,
discreteUpdates,
flushDiscreteUpdates,
flushSync,
flushControlled,
injectIntoDevTools,
Expand Down Expand Up @@ -481,8 +481,8 @@ function shouldHydrateDueToLegacyHeuristic(container) {

setBatchingImplementation(
batchedUpdates,
interactiveUpdates,
flushInteractiveUpdates,
discreteUpdates,
flushDiscreteUpdates,
);

let warnedAboutHydrateAPI = false;
Expand Down Expand Up @@ -783,7 +783,10 @@ const ReactDOM: Object = {

unstable_batchedUpdates: batchedUpdates,

unstable_interactiveUpdates: interactiveUpdates,
unstable_interactiveUpdates: (fn, a, b, c) => {
flushDiscreteUpdates();
return discreteUpdates(fn, a, b, c);
},

flushSync: flushSync,

Expand Down
9 changes: 7 additions & 2 deletions packages/react-dom/src/events/DOMEventResponderSystem.js
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,11 @@ import type {
ReactResponderDispatchEventOptions,
} from 'shared/ReactTypes';
import type {DOMTopLevelEventType} from 'events/TopLevelEventTypes';
import {batchedUpdates, interactiveUpdates} from 'events/ReactGenericBatching';
import {
batchedUpdates,
discreteUpdates,
flushDiscreteUpdates,
} from 'events/ReactGenericBatching';
import type {Fiber} from 'react-reconciler/src/ReactFiber';
import warning from 'shared/warning';
import {enableEventAPI} from 'shared/ReactFeatureFlags';
Expand Down Expand Up @@ -587,7 +591,8 @@ export function processEventQueue(): void {
return;
}
if (discrete) {
interactiveUpdates(() => {
flushDiscreteUpdates(currentTimeStamp);
discreteUpdates(() => {
batchedUpdates(processEvents, events);
});
} else {
Expand Down
18 changes: 9 additions & 9 deletions packages/react-dom/src/events/ReactDOMEventListener.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,11 @@ import type {AnyNativeEvent} from 'events/PluginModuleType';
import type {Fiber} from 'react-reconciler/src/ReactFiber';
import type {DOMTopLevelEventType} from 'events/TopLevelEventTypes';

import {batchedUpdates, interactiveUpdates} from 'events/ReactGenericBatching';
import {
batchedUpdates,
discreteUpdates,
flushDiscreteUpdates,
} from 'events/ReactGenericBatching';
import {runExtractedPluginEventsInBatch} from 'events/EventPluginHub';
import {dispatchEventForResponderEventSystem} from '../events/DOMEventResponderSystem';
import {isFiberMounted} from 'react-reconciler/reflection';
Expand Down Expand Up @@ -188,7 +192,7 @@ export function trapEventForResponderEventSystem(
} else {
eventFlags |= IS_ACTIVE;
}
// Check if interactive and wrap in interactiveUpdates
// Check if interactive and wrap in discreteUpdates
const listener = dispatchEvent.bind(null, topLevelType, eventFlags);
if (passiveBrowserEventsSupported) {
addEventCaptureListenerWithPassiveFlag(
Expand All @@ -212,7 +216,7 @@ function trapEventForPluginEventSystem(
? dispatchInteractiveEvent
: dispatchEvent;
const rawEventName = getRawEventName(topLevelType);
// Check if interactive and wrap in interactiveUpdates
// Check if interactive and wrap in discreteUpdates
const listener = dispatch.bind(null, topLevelType, PLUGIN_EVENT_SYSTEM);
if (capture) {
addEventCaptureListener(element, rawEventName, listener);
Expand All @@ -222,12 +226,8 @@ function trapEventForPluginEventSystem(
}

function dispatchInteractiveEvent(topLevelType, eventSystemFlags, nativeEvent) {
interactiveUpdates(
dispatchEvent,
topLevelType,
eventSystemFlags,
nativeEvent,
);
flushDiscreteUpdates(nativeEvent.timeStamp);
discreteUpdates(dispatchEvent, topLevelType, eventSystemFlags, nativeEvent);
}

function dispatchEventForPluginEventSystem(
Expand Down
13 changes: 8 additions & 5 deletions packages/react-dom/src/fire/ReactFire.js
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Original file line number Diff line number Diff line change
Expand Up @@ -33,8 +33,8 @@ import {
updateContainer,
batchedUpdates,
unbatchedUpdates,
interactiveUpdates,
flushInteractiveUpdates,
discreteUpdates,
flushDiscreteUpdates,
flushSync,
flushControlled,
injectIntoDevTools,
Expand Down Expand Up @@ -487,8 +487,8 @@ function shouldHydrateDueToLegacyHeuristic(container) {

setBatchingImplementation(
batchedUpdates,
interactiveUpdates,
flushInteractiveUpdates,
discreteUpdates,
flushDiscreteUpdates,
);

let warnedAboutHydrateAPI = false;
Expand Down Expand Up @@ -789,7 +789,10 @@ const ReactDOM: Object = {

unstable_batchedUpdates: batchedUpdates,

unstable_interactiveUpdates: interactiveUpdates,
unstable_interactiveUpdates: (fn, a, b, c) => {
flushDiscreteUpdates();
return discreteUpdates(fn, a, b, c);
},

flushSync: flushSync,

Expand Down
35 changes: 26 additions & 9 deletions packages/react-events/src/__tests__/Press-test.internal.js
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Expand Up @@ -2308,14 +2308,12 @@ describe('Event responder: Press', () => {
const ref = React.createRef();
let renderCounts = 0;

function dispatchEvent(name) {
function dispatchEvent(name, timeStamp) {
const event = createEvent(name);
Object.defineProperty(event, 'timeStamp', {
value: 100,
value: timeStamp,
});
window.event = event;
ref.current.dispatchEvent(event);
window.event = null;
}

function MyComponent() {
Expand Down Expand Up @@ -2347,13 +2345,32 @@ describe('Event responder: Press', () => {
root.render(<MyComponent />);
Scheduler.flushAll();

dispatchEvent('pointerdown');
dispatchEvent('pointerup');
dispatchEvent('click');
dispatchEvent('pointerdown', 100);
dispatchEvent('pointerup', 100);
dispatchEvent('click', 100);

expect(renderCounts).toBe(2);
if (__DEV__) {
expect(renderCounts).toBe(2);
} else {
expect(renderCounts).toBe(1);
}
Scheduler.flushAll();
expect(renderCounts).toBe(4);
if (__DEV__) {
expect(renderCounts).toBe(4);
} else {
expect(renderCounts).toBe(2);
}

dispatchEvent('pointerdown', 100);
dispatchEvent('pointerup', 100);
// Ensure the timeStamp logic works
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Is the Press event component the best place to test this logic?

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It’s fine for now. All responders should have some variant of this too.

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It's that the changes are being made to the core but the tests are here. And those tests have __DEV__-specific results

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We can follow up after and make tests in core too. I don't want to block this any longer given I'm on PTO in a few days. Maybe we can add this to our TODO list otherwise.

dispatchEvent('click', 101);

if (__DEV__) {
expect(renderCounts).toBe(6);
} else {
expect(renderCounts).toBe(3);
}

document.body.removeChild(newContainer);
});
Expand Down
8 changes: 4 additions & 4 deletions packages/react-native-renderer/src/ReactFabric.js
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Original file line number Diff line number Diff line change
Expand Up @@ -16,8 +16,8 @@ import {
findHostInstance,
findHostInstanceWithWarning,
batchedUpdates as batchedUpdatesImpl,
interactiveUpdates,
flushInteractiveUpdates,
discreteUpdates,
flushDiscreteUpdates,
createContainer,
updateContainer,
injectIntoDevTools,
Expand Down Expand Up @@ -94,8 +94,8 @@ function findNodeHandle(componentOrHandle: any): ?number {

setBatchingImplementation(
batchedUpdatesImpl,
interactiveUpdates,
flushInteractiveUpdates,
discreteUpdates,
flushDiscreteUpdates,
);

const roots = new Map();
Expand Down
8 changes: 4 additions & 4 deletions packages/react-native-renderer/src/ReactNativeRenderer.js
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Expand Up @@ -16,8 +16,8 @@ import {
findHostInstance,
findHostInstanceWithWarning,
batchedUpdates as batchedUpdatesImpl,
interactiveUpdates,
flushInteractiveUpdates,
discreteUpdates,
flushDiscreteUpdates,
createContainer,
updateContainer,
injectIntoDevTools,
Expand Down Expand Up @@ -99,8 +99,8 @@ function findNodeHandle(componentOrHandle: any): ?number {

setBatchingImplementation(
batchedUpdatesImpl,
interactiveUpdates,
flushInteractiveUpdates,
discreteUpdates,
flushDiscreteUpdates,
);

function computeComponentStackForErrorReporting(reactTag: number): string {
Expand Down
5 changes: 4 additions & 1 deletion packages/react-noop-renderer/src/createReactNoop.js
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Expand Up @@ -1114,7 +1114,10 @@ function createReactNoop(reconciler: Function, useMutation: boolean) {

unbatchedUpdates: NoopRenderer.unbatchedUpdates,

interactiveUpdates: NoopRenderer.interactiveUpdates,
interactiveUpdates: <A, B, C>(fn: () => void, a: A, b: B, c: C) => {
NoopRenderer.flushDiscreteUpdates();
return NoopRenderer.discreteUpdates(fn, a, b, c);
},

flushSync(fn: () => mixed) {
NoopRenderer.flushSync(fn);
Expand Down
8 changes: 4 additions & 4 deletions packages/react-reconciler/src/ReactFiberReconciler.js
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Expand Up @@ -52,8 +52,8 @@ import {
flushControlled,
deferredUpdates,
syncUpdates,
interactiveUpdates,
flushInteractiveUpdates,
discreteUpdates,
flushDiscreteUpdates,
flushPassiveEffects,
} from './ReactFiberScheduler';
import {createUpdate, enqueueUpdate} from './ReactUpdateQueue';
Expand Down Expand Up @@ -325,8 +325,8 @@ export {
unbatchedUpdates,
deferredUpdates,
syncUpdates,
interactiveUpdates,
flushInteractiveUpdates,
discreteUpdates,
flushDiscreteUpdates,
flushControlled,
flushSync,
flushPassiveEffects,
Expand Down
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