Fix a few typos

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

@@ -1901,7 +1901,7 @@ function shouldRemainOnFallback(
   if (current !== null) {
     const suspenseState: SuspenseState = current.memoizedState;
     if (suspenseState === null) {
-      // Currently showing content. Don't hide it, even if ForceSuspenseFallack
+      // Currently showing content. Don't hide it, even if ForceSuspenseFallback
       // is true. More precise name might be "ForceRemainSuspenseFallback".
       // Note: This is a factoring smell. Can't remain on a fallback if there's
       // no fallback to remain on.
@@ -1973,7 +1973,7 @@ function updateSuspenseComponent(current, workInProgress, renderLanes) {
   pushSuspenseContext(workInProgress, suspenseContext);
 
   // OK, the next part is confusing. We're about to reconcile the Suspense
-  // boundary's children. This involves some custom reconcilation logic. Two
+  // boundary's children. This involves some custom reconciliation logic. Two
   // main reasons this is so complicated.
   //
   // First, Legacy Mode has different semantics for backwards compatibility. The

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

@@ -1901,7 +1901,7 @@ function shouldRemainOnFallback(
   if (current !== null) {
     const suspenseState: SuspenseState = current.memoizedState;
     if (suspenseState === null) {
-      // Currently showing content. Don't hide it, even if ForceSuspenseFallack
+      // Currently showing content. Don't hide it, even if ForceSuspenseFallback
       // is true. More precise name might be "ForceRemainSuspenseFallback".
       // Note: This is a factoring smell. Can't remain on a fallback if there's
       // no fallback to remain on.
@@ -1973,7 +1973,7 @@ function updateSuspenseComponent(current, workInProgress, renderLanes) {
   pushSuspenseContext(workInProgress, suspenseContext);
 
   // OK, the next part is confusing. We're about to reconcile the Suspense
-  // boundary's children. This involves some custom reconcilation logic. Two
+  // boundary's children. This involves some custom reconciliation logic. Two
   // main reasons this is so complicated.
   //
   // First, Legacy Mode has different semantics for backwards compatibility. The

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

@@ -2095,7 +2095,7 @@ function commitMutationEffectsOnFiber(finishedWork: Fiber, root: FiberRoot) {
   // TODO: The factoring of this phase could probably be improved. Consider
   // switching on the type of work before checking the flags. That's what
   // we do in all the other phases. I think this one is only different
-  // because of the shared reconcilation logic below.
+  // because of the shared reconciliation logic below.
   const flags = finishedWork.flags;
 
   if (flags & ContentReset) {

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

@@ -2095,7 +2095,7 @@ function commitMutationEffectsOnFiber(finishedWork: Fiber, root: FiberRoot) {
   // TODO: The factoring of this phase could probably be improved. Consider
   // switching on the type of work before checking the flags. That's what
   // we do in all the other phases. I think this one is only different
-  // because of the shared reconcilation logic below.
+  // because of the shared reconciliation logic below.
   const flags = finishedWork.flags;
 
   if (flags & ContentReset) {

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

@@ -1231,7 +1231,7 @@ function completeWork(
 
                 // If this is a newly suspended tree, it might not get committed as
                 // part of the second pass. In that case nothing will subscribe to
-                // its thennables. Instead, we'll transfer its thennables to the
+                // its thenables. Instead, we'll transfer its thenables to the
                 // SuspenseList so that it can retry if they resolve.
                 // There might be multiple of these in the list but since we're
                 // going to wait for all of them anyway, it doesn't really matter
@@ -1241,9 +1241,9 @@ function completeWork(
                 // We might bail out of the loop before finding any but that
                 // doesn't matter since that means that the other boundaries that
                 // we did find already has their listeners attached.
-                const newThennables = suspended.updateQueue;
-                if (newThennables !== null) {
-                  workInProgress.updateQueue = newThennables;
+                const newThenables = suspended.updateQueue;
+                if (newThenables !== null) {
+                  workInProgress.updateQueue = newThenables;
                   workInProgress.flags |= Update;
                 }
 
@@ -1303,9 +1303,9 @@ function completeWork(
 
             // Ensure we transfer the update queue to the parent so that it doesn't
             // get lost if this row ends up dropped during a second pass.
-            const newThennables = suspended.updateQueue;
-            if (newThennables !== null) {
-              workInProgress.updateQueue = newThennables;
+            const newThenables = suspended.updateQueue;
+            if (newThenables !== null) {
+              workInProgress.updateQueue = newThenables;
               workInProgress.flags |= Update;
             }
 

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

@@ -1231,7 +1231,7 @@ function completeWork(
 
                 // If this is a newly suspended tree, it might not get committed as
                 // part of the second pass. In that case nothing will subscribe to
-                // its thennables. Instead, we'll transfer its thennables to the
+                // its thenables. Instead, we'll transfer its thenables to the
                 // SuspenseList so that it can retry if they resolve.
                 // There might be multiple of these in the list but since we're
                 // going to wait for all of them anyway, it doesn't really matter
@@ -1241,9 +1241,9 @@ function completeWork(
                 // We might bail out of the loop before finding any but that
                 // doesn't matter since that means that the other boundaries that
                 // we did find already has their listeners attached.
-                const newThennables = suspended.updateQueue;
-                if (newThennables !== null) {
-                  workInProgress.updateQueue = newThennables;
+                const newThenables = suspended.updateQueue;
+                if (newThenables !== null) {
+                  workInProgress.updateQueue = newThenables;
                   workInProgress.flags |= Update;
                 }
 
@@ -1303,9 +1303,9 @@ function completeWork(
 
             // Ensure we transfer the update queue to the parent so that it doesn't
             // get lost if this row ends up dropped during a second pass.
-            const newThennables = suspended.updateQueue;
-            if (newThennables !== null) {
-              workInProgress.updateQueue = newThennables;
+            const newThenables = suspended.updateQueue;
+            if (newThenables !== null) {
+              workInProgress.updateQueue = newThenables;
               workInProgress.flags |= Update;
             }
 

packages/react-reconciler/src/ReactFiberFlags.js

@@ -62,7 +62,7 @@ export const MountPassiveDev = /*              */ 0b10000000000000000000000;
 // don't contain effects, by checking subtreeFlags.
 
 export const BeforeMutationMask =
-  // TODO: Remove Update flag from before mutation phase by re-landing Visiblity
+  // TODO: Remove Update flag from before mutation phase by re-landing Visibility
   // flag logic (see #20043)
   Update |
   Snapshot |
@@ -88,6 +88,6 @@ export const LayoutMask = Update | Callback | Ref | Visibility;
 export const PassiveMask = Passive | ChildDeletion;
 
 // Union of tags that don't get reset on clones.
-// This allows certain concepts to persist without recalculting them,
+// This allows certain concepts to persist without recalculating them,
 // e.g. whether a subtree contains passive effects or portals.
 export const StaticMask = LayoutStatic | PassiveStatic | RefStatic;

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

@@ -449,7 +449,7 @@ export function renderWithHooks<Props, SecondArg>(
   }
 
   // We can assume the previous dispatcher is always this one, since we set it
-  // at the beginning of the render phase and there's no re-entrancy.
+  // at the beginning of the render phase and there's no re-entrance.
   ReactCurrentDispatcher.current = ContextOnlyDispatcher;
 
   if (__DEV__) {
@@ -553,7 +553,7 @@ export function bailoutHooks(
 
 export function resetHooksAfterThrow(): void {
   // We can assume the previous dispatcher is always this one, since we set it
-  // at the beginning of the render phase and there's no re-entrancy.
+  // at the beginning of the render phase and there's no re-entrance.
   ReactCurrentDispatcher.current = ContextOnlyDispatcher;
 
   if (didScheduleRenderPhaseUpdate) {
@@ -934,7 +934,7 @@ type MutableSourceMemoizedState<Source, Snapshot> = {|
   subscribe: MutableSourceSubscribeFn<Source, Snapshot>,
 |};
 
-function readFromUnsubcribedMutableSource<Source, Snapshot>(
+function readFromUnsubscribedMutableSource<Source, Snapshot>(
   root: FiberRoot,
   source: MutableSource<Source>,
   getSnapshot: MutableSourceGetSnapshotFn<Source, Snapshot>,
@@ -1074,7 +1074,7 @@ function useMutableSource<Source, Snapshot>(
 
   // eslint-disable-next-line prefer-const
   let [currentSnapshot, setSnapshot] = dispatcher.useState(() =>
-    readFromUnsubcribedMutableSource(root, source, getSnapshot),
+    readFromUnsubscribedMutableSource(root, source, getSnapshot),
   );
   let snapshot = currentSnapshot;
 
@@ -1208,7 +1208,7 @@ function useMutableSource<Source, Snapshot>(
     ): any);
     stateHook.queue = newQueue;
     stateHook.baseQueue = null;
-    snapshot = readFromUnsubcribedMutableSource(root, source, getSnapshot);
+    snapshot = readFromUnsubscribedMutableSource(root, source, getSnapshot);
     stateHook.memoizedState = stateHook.baseState = snapshot;
   }
 
@@ -1949,7 +1949,7 @@ function dispatchAction<S, A>(
         // This is the first update. Create a circular list.
         update.next = update;
         // At the end of the current render, this queue's interleaved updates will
-        // be transfered to the pending queue.
+        // be transferred to the pending queue.
         pushInterleavedQueue(queue);
       } else {
         update.next = interleaved.next;

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

@@ -449,7 +449,7 @@ export function renderWithHooks<Props, SecondArg>(
   }
 
   // We can assume the previous dispatcher is always this one, since we set it
-  // at the beginning of the render phase and there's no re-entrancy.
+  // at the beginning of the render phase and there's no re-entrance.
   ReactCurrentDispatcher.current = ContextOnlyDispatcher;
 
   if (__DEV__) {
@@ -553,7 +553,7 @@ export function bailoutHooks(
 
 export function resetHooksAfterThrow(): void {
   // We can assume the previous dispatcher is always this one, since we set it
-  // at the beginning of the render phase and there's no re-entrancy.
+  // at the beginning of the render phase and there's no re-entrance.
   ReactCurrentDispatcher.current = ContextOnlyDispatcher;
 
   if (didScheduleRenderPhaseUpdate) {
@@ -934,7 +934,7 @@ type MutableSourceMemoizedState<Source, Snapshot> = {|
   subscribe: MutableSourceSubscribeFn<Source, Snapshot>,
 |};
 
-function readFromUnsubcribedMutableSource<Source, Snapshot>(
+function readFromUnsubscribedMutableSource<Source, Snapshot>(
   root: FiberRoot,
   source: MutableSource<Source>,
   getSnapshot: MutableSourceGetSnapshotFn<Source, Snapshot>,
@@ -1074,7 +1074,7 @@ function useMutableSource<Source, Snapshot>(
 
   // eslint-disable-next-line prefer-const
   let [currentSnapshot, setSnapshot] = dispatcher.useState(() =>
-    readFromUnsubcribedMutableSource(root, source, getSnapshot),
+    readFromUnsubscribedMutableSource(root, source, getSnapshot),
   );
   let snapshot = currentSnapshot;
 
@@ -1208,7 +1208,7 @@ function useMutableSource<Source, Snapshot>(
     ): any);
     stateHook.queue = newQueue;
     stateHook.baseQueue = null;
-    snapshot = readFromUnsubcribedMutableSource(root, source, getSnapshot);
+    snapshot = readFromUnsubscribedMutableSource(root, source, getSnapshot);
     stateHook.memoizedState = stateHook.baseState = snapshot;
   }
 
@@ -1949,7 +1949,7 @@ function dispatchAction<S, A>(
         // This is the first update. Create a circular list.
         update.next = update;
         // At the end of the current render, this queue's interleaved updates will
-        // be transfered to the pending queue.
+        // be transferred to the pending queue.
         pushInterleavedQueue(queue);
       } else {
         update.next = interleaved.next;

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

@@ -12,7 +12,7 @@ import type {SharedQueue as ClassQueue} from './ReactUpdateQueue.new';
 
 // An array of all update queues that received updates during the current
 // render. When this render exits, either because it finishes or because it is
-// interrupted, the interleaved updates will be transfered onto the main part
+// interrupted, the interleaved updates will be transferred onto the main part
 // of the queue.
 let interleavedQueues: Array<
   HookQueue<any, any> | ClassQueue<any>,

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

@@ -12,7 +12,7 @@ import type {SharedQueue as ClassQueue} from './ReactUpdateQueue.old';
 
 // An array of all update queues that received updates during the current
 // render. When this render exits, either because it finishes or because it is
-// interrupted, the interleaved updates will be transfered onto the main part
+// interrupted, the interleaved updates will be transferred onto the main part
 // of the queue.
 let interleavedQueues: Array<
   HookQueue<any, any> | ClassQueue<any>,

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

@@ -192,7 +192,7 @@ function propagateContextChange_eager<T>(
   context: ReactContext<T>,
   renderLanes: Lanes,
 ): void {
-  // Only used by eager implemenation
+  // Only used by eager implementation
   if (enableLazyContextPropagation) {
     return;
   }
@@ -322,7 +322,7 @@ function propagateContextChanges<T>(
   renderLanes: Lanes,
   forcePropagateEntireTree: boolean,
 ): void {
-  // Only used by lazy implemenation
+  // Only used by lazy implementation
   if (!enableLazyContextPropagation) {
     return;
   }
@@ -351,7 +351,7 @@ function propagateContextChanges<T>(
           if (dependency.context === context) {
             // Match! Schedule an update on this fiber.
 
-            // In the lazy implemenation, don't mark a dirty flag on the
+            // In the lazy implementation, don't mark a dirty flag on the
             // dependency itself. Not all changes are propagated, so we can't
             // rely on the propagation function alone to determine whether
             // something has changed; the consumer will check. In the future, we

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

@@ -192,7 +192,7 @@ function propagateContextChange_eager<T>(
   context: ReactContext<T>,
   renderLanes: Lanes,
 ): void {
-  // Only used by eager implemenation
+  // Only used by eager implementation
   if (enableLazyContextPropagation) {
     return;
   }
@@ -322,7 +322,7 @@ function propagateContextChanges<T>(
   renderLanes: Lanes,
   forcePropagateEntireTree: boolean,
 ): void {
-  // Only used by lazy implemenation
+  // Only used by lazy implementation
   if (!enableLazyContextPropagation) {
     return;
   }
@@ -351,7 +351,7 @@ function propagateContextChanges<T>(
           if (dependency.context === context) {
             // Match! Schedule an update on this fiber.
 
-            // In the lazy implemenation, don't mark a dirty flag on the
+            // In the lazy implementation, don't mark a dirty flag on the
             // dependency itself. Not all changes are propagated, so we can't
             // rely on the propagation function alone to determine whether
             // something has changed; the consumer will check. In the future, we

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

@@ -381,7 +381,7 @@ function markRetryLaneImpl(fiber: Fiber, retryLane: Lane) {
   }
 }
 
-// Increases the priority of thennables when they resolve within this boundary.
+// Increases the priority of thenables when they resolve within this boundary.
 function markRetryLaneIfNotHydrated(fiber: Fiber, retryLane: Lane) {
   markRetryLaneImpl(fiber, retryLane);
   const alternate = fiber.alternate;

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

@@ -381,7 +381,7 @@ function markRetryLaneImpl(fiber: Fiber, retryLane: Lane) {
   }
 }
 
-// Increases the priority of thennables when they resolve within this boundary.
+// Increases the priority of thenables when they resolve within this boundary.
 function markRetryLaneIfNotHydrated(fiber: Fiber, retryLane: Lane) {
   markRetryLaneImpl(fiber, retryLane);
   const alternate = fiber.alternate;

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

@@ -50,7 +50,7 @@ export function flushSyncCallbacksOnlyInLegacyMode() {
 
 export function flushSyncCallbacks() {
   if (!isFlushingSyncQueue && syncQueue !== null) {
-    // Prevent re-entrancy.
+    // Prevent re-entrance.
     isFlushingSyncQueue = true;
     let i = 0;
     const previousUpdatePriority = getCurrentUpdatePriority();

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

@@ -50,7 +50,7 @@ export function flushSyncCallbacksOnlyInLegacyMode() {
 
 export function flushSyncCallbacks() {
   if (!isFlushingSyncQueue && syncQueue !== null) {
-    // Prevent re-entrancy.
+    // Prevent re-entrance.
     isFlushingSyncQueue = true;
     let i = 0;
     const previousUpdatePriority = getCurrentUpdatePriority();

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

@@ -230,7 +230,7 @@ export function enqueueUpdate<State>(
       // This is the first update. Create a circular list.
       update.next = update;
       // At the end of the current render, this queue's interleaved updates will
-      // be transfered to the pending queue.
+      // be transferred to the pending queue.
       pushInterleavedQueue(sharedQueue);
     } else {
       update.next = interleaved.next;

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

@@ -230,7 +230,7 @@ export function enqueueUpdate<State>(
       // This is the first update. Create a circular list.
       update.next = update;
       // At the end of the current render, this queue's interleaved updates will
-      // be transfered to the pending queue.
+      // be transferred to the pending queue.
       pushInterleavedQueue(sharedQueue);
     } else {
       update.next = interleaved.next;

packages/react-reconciler/src/__tests__/ReactEffectOrdering-test.js

@@ -32,7 +32,7 @@ describe('ReactHooksWithNoopRenderer', () => {
     useLayoutEffect = React.useLayoutEffect;
   });
 
-  test('layout unmmouts on deletion are fired in parent -> child order', async () => {
+  test('layout unmounts on deletion are fired in parent -> child order', async () => {
     const root = ReactNoop.createRoot();
 
     function Parent() {
@@ -59,7 +59,7 @@ describe('ReactHooksWithNoopRenderer', () => {
     expect(Scheduler).toHaveYielded(['Unmount parent', 'Unmount child']);
   });
 
-  test('passive unmmouts on deletion are fired in parent -> child order', async () => {
+  test('passive unmounts on deletion are fired in parent -> child order', async () => {
     const root = ReactNoop.createRoot();
 
     function Parent() {