facebook · gaearon · Feb 5, 2021 · Feb 5, 2021
diff --git a/packages/react-art/src/ReactARTHostConfig.js b/packages/react-art/src/ReactARTHostConfig.js
@@ -330,7 +330,7 @@ export function getChildHostContext() {
 export const scheduleTimeout = setTimeout;
 export const cancelTimeout = clearTimeout;
 export const noTimeout = -1;
-export function queueMicrotask(callback: Function) {
+export function scheduleMicrotask(callback: Function) {
   invariant(false, 'Not implemented.');
 }
 

diff --git a/packages/react-dom/src/client/ReactDOMHostConfig.js b/packages/react-dom/src/client/ReactDOMHostConfig.js
@@ -384,9 +384,9 @@ export const scheduleTimeout: any =
 export const cancelTimeout: any =
   typeof clearTimeout === 'function' ? clearTimeout : (undefined: any);
 export const noTimeout = -1;
-export const queueMicrotask: any =
-  typeof global.queueMicrotask === 'function'
-    ? global.queueMicrotask
+export const scheduleMicrotask: any =
+  typeof queueMicrotask === 'function'
+    ? queueMicrotask
     : typeof Promise !== 'undefined'
     ? callback =>
         Promise.resolve(null)

diff --git a/packages/react-native-renderer/src/ReactFabricHostConfig.js b/packages/react-native-renderer/src/ReactFabricHostConfig.js
@@ -348,7 +348,7 @@ export const warnsIfNotActing = false;
 export const scheduleTimeout = setTimeout;
 export const cancelTimeout = clearTimeout;
 export const noTimeout = -1;
-export function queueMicrotask(callback: Function) {
+export function scheduleMicrotask(callback: Function) {
   invariant(false, 'Not implemented.');
 }
 

diff --git a/packages/react-native-renderer/src/ReactNativeHostConfig.js b/packages/react-native-renderer/src/ReactNativeHostConfig.js
@@ -247,7 +247,7 @@ export const warnsIfNotActing = true;
 export const scheduleTimeout = setTimeout;
 export const cancelTimeout = clearTimeout;
 export const noTimeout = -1;
-export function queueMicrotask(callback: Function) {
+export function scheduleMicrotask(callback: Function) {
   invariant(false, 'Not implemented.');
 }
 

diff --git a/packages/react-noop-renderer/src/createReactNoop.js b/packages/react-noop-renderer/src/createReactNoop.js
@@ -371,7 +371,7 @@ function createReactNoop(reconciler: Function, useMutation: boolean) {
     scheduleTimeout: setTimeout,
     cancelTimeout: clearTimeout,
     noTimeout: -1,
-    queueMicrotask:
+    scheduleMicrotask:
       typeof queueMicrotask === 'function'
         ? queueMicrotask
         : typeof Promise !== 'undefined'

diff --git a/packages/react-reconciler/README.md b/packages/react-reconciler/README.md
@@ -203,7 +203,7 @@ You can proxy this to `clearTimeout` or its equivalent in your environment.
 
 This is a property (not a function) that should be set to something that can never be a valid timeout ID. For example, you can set it to `-1`.
 
-#### `queueMicrotask(fn)`
+#### `scheduleMicrotask(fn)`
 
 You can proxy this to `queueMicrotask` or its equivalent in your environment.
 

diff --git a/packages/react-reconciler/src/ReactFiberWorkLoop.new.js b/packages/react-reconciler/src/ReactFiberWorkLoop.new.js
@@ -92,7 +92,7 @@ import {
   warnsIfNotActing,
   afterActiveInstanceBlur,
   clearContainer,
-  queueMicrotask,
+  scheduleMicrotask,
 } from './ReactFiberHostConfig';
 
 import {
@@ -766,7 +766,7 @@ function ensureRootIsScheduled(root: FiberRoot, currentTime: number) {
     enableDiscreteEventMicroTasks &&
     newCallbackPriority === InputDiscreteLanePriority
   ) {
-    queueMicrotask(performSyncWorkOnRoot.bind(null, root));
+    scheduleMicrotask(performSyncWorkOnRoot.bind(null, root));
     newCallbackNode = null;
   } else {
     const schedulerPriorityLevel = lanePriorityToSchedulerPriority(

diff --git a/packages/react-reconciler/src/ReactFiberWorkLoop.old.js b/packages/react-reconciler/src/ReactFiberWorkLoop.old.js
@@ -92,7 +92,7 @@ import {
   warnsIfNotActing,
   afterActiveInstanceBlur,
   clearContainer,
-  queueMicrotask,
+  scheduleMicrotask,
 } from './ReactFiberHostConfig';
 
 import {
@@ -766,7 +766,7 @@ function ensureRootIsScheduled(root: FiberRoot, currentTime: number) {
     enableDiscreteEventMicroTasks &&
     newCallbackPriority === InputDiscreteLanePriority
   ) {
-    queueMicrotask(performSyncWorkOnRoot.bind(null, root));
+    scheduleMicrotask(performSyncWorkOnRoot.bind(null, root));
     newCallbackNode = null;
   } else {
     const schedulerPriorityLevel = lanePriorityToSchedulerPriority(

diff --git a/packages/react-reconciler/src/forks/ReactFiberHostConfig.custom.js b/packages/react-reconciler/src/forks/ReactFiberHostConfig.custom.js
@@ -54,7 +54,7 @@ export const shouldSetTextContent = $$$hostConfig.shouldSetTextContent;
 export const createTextInstance = $$$hostConfig.createTextInstance;
 export const scheduleTimeout = $$$hostConfig.scheduleTimeout;
 export const cancelTimeout = $$$hostConfig.cancelTimeout;
-export const queueMicrotask = $$$hostConfig.queueMicrotask;
+export const scheduleMicrotask = $$$hostConfig.scheduleMicrotask;
 export const noTimeout = $$$hostConfig.noTimeout;
 export const now = $$$hostConfig.now;
 export const isPrimaryRenderer = $$$hostConfig.isPrimaryRenderer;

diff --git a/packages/react-test-renderer/src/ReactTestHostConfig.js b/packages/react-test-renderer/src/ReactTestHostConfig.js
@@ -220,9 +220,9 @@ export const warnsIfNotActing = true;
 
 export const scheduleTimeout = setTimeout;
 export const cancelTimeout = clearTimeout;
-export const queueMicrotask =
-  typeof global.queueMicrotask === 'function'
-    ? global.queueMicrotask
+export const scheduleMicrotask =
+  typeof queueMicrotask === 'function'
+    ? queueMicrotask
     : typeof Promise !== 'undefined'
     ? (callback: Function) =>
         Promise.resolve(null)

diff --git a/scripts/flow/environment.js b/scripts/flow/environment.js
@@ -18,6 +18,8 @@ declare var __REACT_DEVTOOLS_GLOBAL_HOOK__: any; /*?{
   inject: ?((stuff: Object) => void)
 };*/
 
+declare var queueMicrotask: (fn: Function) => void;
+
 declare module 'create-react-class' {
   declare var exports: React$CreateClass;
 }