Rename UserBlockingEvent to ContinuousEvent

packages/react-dom/src/client/ReactDOM.js

@@ -32,7 +32,7 @@ import {
   flushPassiveEffects,
   IsThisRendererActing,
   attemptSynchronousHydration,
-  attemptUserBlockingHydration,
+  attemptDiscreteHydration,
   attemptContinuousHydration,
   attemptHydrationAtCurrentPriority,
   runWithPriority,
@@ -56,7 +56,7 @@ import {
 import {restoreControlledState} from './ReactDOMComponent';
 import {
   setAttemptSynchronousHydration,
-  setAttemptUserBlockingHydration,
+  setAttemptDiscreteHydration,
   setAttemptContinuousHydration,
   setAttemptHydrationAtCurrentPriority,
   queueExplicitHydrationTarget,
@@ -71,7 +71,7 @@ import {
 } from '../events/ReactDOMControlledComponent';
 
 setAttemptSynchronousHydration(attemptSynchronousHydration);
-setAttemptUserBlockingHydration(attemptUserBlockingHydration);
+setAttemptDiscreteHydration(attemptDiscreteHydration);
 setAttemptContinuousHydration(attemptContinuousHydration);
 setAttemptHydrationAtCurrentPriority(attemptHydrationAtCurrentPriority);
 setGetCurrentUpdatePriority(getCurrentUpdateLanePriority);

packages/react-dom/src/events/DOMEventProperties.js

@@ -17,11 +17,7 @@ import {
   ANIMATION_START,
   TRANSITION_END,
 } from './DOMEventNames';
-import {
-  DiscreteEvent,
-  UserBlockingEvent,
-  DefaultEvent,
-} from 'shared/ReactTypes';
+import {DiscreteEvent, ContinuousEvent, DefaultEvent} from 'shared/ReactTypes';
 
 import {enableCreateEventHandleAPI} from 'shared/ReactFeatureFlags';
 
@@ -97,7 +93,7 @@ if (enableCreateEventHandleAPI) {
 }
 
 // prettier-ignore
-const userBlockingPairsForSimpleEventPlugin: Array<string | DOMEventName> = [
+const continuousPairsForSimpleEventPlugin: Array<string | DOMEventName> = [
   ('drag': DOMEventName), 'drag',
   ('dragenter': DOMEventName), 'dragEnter',
   ('dragexit': DOMEventName), 'dragExit',
@@ -219,8 +215,8 @@ export function registerSimpleEvents() {
     DiscreteEvent,
   );
   registerSimplePluginEventsAndSetTheirPriorities(
-    userBlockingPairsForSimpleEventPlugin,
-    UserBlockingEvent,
+    continuousPairsForSimpleEventPlugin,
+    ContinuousEvent,
   );
   registerSimplePluginEventsAndSetTheirPriorities(
     defaultPairsForSimpleEventPlugin,

packages/react-dom/src/events/ReactDOMEventListener.js

@@ -43,11 +43,7 @@ import {
   decoupleUpdatePriorityFromScheduler,
   enableNewReconciler,
 } from 'shared/ReactFeatureFlags';
-import {
-  UserBlockingEvent,
-  DefaultEvent,
-  DiscreteEvent,
-} from 'shared/ReactTypes';
+import {ContinuousEvent, DefaultEvent, DiscreteEvent} from 'shared/ReactTypes';
 import {getEventPriorityForPluginSystem} from './DOMEventProperties';
 import {dispatchEventForPluginEventSystem} from './DOMPluginEventSystem';
 import {
@@ -118,8 +114,8 @@ export function createEventListenerWrapperWithPriority(
     case DiscreteEvent:
       listenerWrapper = dispatchDiscreteEvent;
       break;
-    case UserBlockingEvent:
-      listenerWrapper = dispatchUserBlockingUpdate;
+    case ContinuousEvent:
+      listenerWrapper = dispatchContinuousEvent;
       break;
     case DefaultEvent:
     default:
@@ -157,7 +153,7 @@ function dispatchDiscreteEvent(
   );
 }
 
-function dispatchUserBlockingUpdate(
+function dispatchContinuousEvent(
   domEventName,
   eventSystemFlags,
   container,

packages/react-dom/src/events/ReactDOMEventReplaying.js

@@ -39,10 +39,10 @@ export function setAttemptSynchronousHydration(fn: (fiber: Object) => void) {
   attemptSynchronousHydration = fn;
 }
 
-let attemptUserBlockingHydration: (fiber: Object) => void;
+let attemptDiscreteHydration: (fiber: Object) => void;
 
-export function setAttemptUserBlockingHydration(fn: (fiber: Object) => void) {
-  attemptUserBlockingHydration = fn;
+export function setAttemptDiscreteHydration(fn: (fiber: Object) => void) {
+  attemptDiscreteHydration = fn;
 }
 
 let attemptContinuousHydration: (fiber: Object) => void;
@@ -489,7 +489,7 @@ function replayUnblockedEvents() {
       // the next discrete event.
       const fiber = getInstanceFromNode(nextDiscreteEvent.blockedOn);
       if (fiber !== null) {
-        attemptUserBlockingHydration(fiber);
+        attemptDiscreteHydration(fiber);
       }
       break;
     }

packages/react-reconciler/src/ReactFiberReconciler.js

@@ -29,7 +29,7 @@ import {
   IsThisRendererActing as IsThisRendererActing_old,
   getPublicRootInstance as getPublicRootInstance_old,
   attemptSynchronousHydration as attemptSynchronousHydration_old,
-  attemptUserBlockingHydration as attemptUserBlockingHydration_old,
+  attemptDiscreteHydration as attemptDiscreteHydration_old,
   attemptContinuousHydration as attemptContinuousHydration_old,
   attemptHydrationAtCurrentPriority as attemptHydrationAtCurrentPriority_old,
   findHostInstance as findHostInstance_old,
@@ -69,7 +69,7 @@ import {
   IsThisRendererActing as IsThisRendererActing_new,
   getPublicRootInstance as getPublicRootInstance_new,
   attemptSynchronousHydration as attemptSynchronousHydration_new,
-  attemptUserBlockingHydration as attemptUserBlockingHydration_new,
+  attemptDiscreteHydration as attemptDiscreteHydration_new,
   attemptContinuousHydration as attemptContinuousHydration_new,
   attemptHydrationAtCurrentPriority as attemptHydrationAtCurrentPriority_new,
   findHostInstance as findHostInstance_new,
@@ -134,9 +134,9 @@ export const getPublicRootInstance = enableNewReconciler
 export const attemptSynchronousHydration = enableNewReconciler
   ? attemptSynchronousHydration_new
   : attemptSynchronousHydration_old;
-export const attemptUserBlockingHydration = enableNewReconciler
-  ? attemptUserBlockingHydration_new
-  : attemptUserBlockingHydration_old;
+export const attemptDiscreteHydration = enableNewReconciler
+  ? attemptDiscreteHydration_new
+  : attemptDiscreteHydration_old;
 export const attemptContinuousHydration = enableNewReconciler
   ? attemptContinuousHydration_new
   : attemptContinuousHydration_old;

packages/react-reconciler/src/ReactFiberReconciler.new.js

@@ -397,7 +397,7 @@ function markRetryLaneIfNotHydrated(fiber: Fiber, retryLane: Lane) {
   }
 }
 
-export function attemptUserBlockingHydration(fiber: Fiber): void {
+export function attemptDiscreteHydration(fiber: Fiber): void {
   if (fiber.tag !== SuspenseComponent) {
     // We ignore HostRoots here because we can't increase
     // their priority and they should not suspend on I/O,

packages/react-reconciler/src/ReactFiberReconciler.old.js

@@ -397,7 +397,7 @@ function markRetryLaneIfNotHydrated(fiber: Fiber, retryLane: Lane) {
   }
 }
 
-export function attemptUserBlockingHydration(fiber: Fiber): void {
+export function attemptDiscreteHydration(fiber: Fiber): void {
   if (fiber.tag !== SuspenseComponent) {
     // We ignore HostRoots here because we can't increase
     // their priority and they should not suspend on I/O,

packages/shared/ReactTypes.js

@@ -89,7 +89,7 @@ export type RefObject = {|
 export type EventPriority = 0 | 1 | 2;
 
 export const DiscreteEvent: EventPriority = 0;
-export const UserBlockingEvent: EventPriority = 1;
+export const ContinuousEvent: EventPriority = 1;
 export const DefaultEvent: EventPriority = 2;
 
 export type ReactFundamentalComponentInstance<C, H> = {|