Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Only treat updates to lazy as a new mount in legacy mode #24530

Merged
merged 3 commits into from
May 12, 2022
Merged

Only treat updates to lazy as a new mount in legacy mode #24530

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
0a21cd3
Only treat updates to lazy as a new mount in legacy mode
rickhanlonii May 10, 2022
1fc45f3
Update name and swap current check
rickhanlonii May 10, 2022
1274145
Flip order back
rickhanlonii May 10, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
60 changes: 20 additions & 40 deletions packages/react-reconciler/src/ReactFiberBeginWork.new.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1110,16 +1110,8 @@ function updateClassComponent(
const instance = workInProgress.stateNode;
let shouldUpdate;
if (instance === null) {
if (current !== null) {
// A class component without an instance only mounts if it suspended
// inside a non-concurrent tree, in an inconsistent state. We want to
// treat it like a new mount, even though an empty version of it already
// committed. Disconnect the alternate pointers.
current.alternate = null;
workInProgress.alternate = null;
// Since this is conceptually a new fiber, schedule a Placement effect
workInProgress.flags |= Placement;
}
resetIndeterminatePlacementForLegacyMode(current, workInProgress);

// In the initial pass we might need to construct the instance.
constructClassInstance(workInProgress, Component, nextProps);
mountClassInstance(workInProgress, Component, nextProps, renderLanes);
Expand Down Expand Up @@ -1469,16 +1461,7 @@ function mountLazyComponent(
elementType,
renderLanes,
) {
if (_current !== null) {
// A lazy component only mounts if it suspended inside a non-
// concurrent tree, in an inconsistent state. We want to treat it like
// a new mount, even though an empty version of it already committed.
// Disconnect the alternate pointers.
_current.alternate = null;
workInProgress.alternate = null;
// Since this is conceptually a new fiber, schedule a Placement effect
workInProgress.flags |= Placement;
}
resetIndeterminatePlacementForLegacyMode(_current, workInProgress);

const props = workInProgress.pendingProps;
const lazyComponent: LazyComponentType<any, any> = elementType;
Expand Down Expand Up @@ -1588,16 +1571,7 @@ function mountIncompleteClassComponent(
nextProps,
renderLanes,
) {
if (_current !== null) {
// An incomplete component only mounts if it suspended inside a non-
// concurrent tree, in an inconsistent state. We want to treat it like
// a new mount, even though an empty version of it already committed.
// Disconnect the alternate pointers.
_current.alternate = null;
workInProgress.alternate = null;
// Since this is conceptually a new fiber, schedule a Placement effect
workInProgress.flags |= Placement;
}
resetIndeterminatePlacementForLegacyMode(_current, workInProgress);

// Promote the fiber to a class and try rendering again.
workInProgress.tag = ClassComponent;
Expand Down Expand Up @@ -1635,16 +1609,7 @@ function mountIndeterminateComponent(
Component,
renderLanes,
) {
if (_current !== null) {
// An indeterminate component only mounts if it suspended inside a non-
// concurrent tree, in an inconsistent state. We want to treat it like
// a new mount, even though an empty version of it already committed.
// Disconnect the alternate pointers.
_current.alternate = null;
workInProgress.alternate = null;
// Since this is conceptually a new fiber, schedule a Placement effect
workInProgress.flags |= Placement;
}
resetIndeterminatePlacementForLegacyMode(_current, workInProgress);

const props = workInProgress.pendingProps;
let context;
Expand Down Expand Up @@ -3376,6 +3341,21 @@ export function checkIfWorkInProgressReceivedUpdate() {
return didReceiveUpdate;
}

function resetIndeterminatePlacementForLegacyMode(current, workInProgress) {
if ((workInProgress.mode & ConcurrentMode) === NoMode) {
if (current !== null) {
rickhanlonii marked this conversation as resolved.
Show resolved Hide resolved
// A lazy component only mounts if it suspended inside a non-
// concurrent tree, in an inconsistent state. We want to treat it like
// a new mount, even though an empty version of it already committed.
// Disconnect the alternate pointers.
current.alternate = null;
workInProgress.alternate = null;
// Since this is conceptually a new fiber, schedule a Placement effect
workInProgress.flags |= Placement;
}
}
}

function bailoutOnAlreadyFinishedWork(
current: Fiber | null,
workInProgress: Fiber,
Expand Down
60 changes: 20 additions & 40 deletions packages/react-reconciler/src/ReactFiberBeginWork.old.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1110,16 +1110,8 @@ function updateClassComponent(
const instance = workInProgress.stateNode;
let shouldUpdate;
if (instance === null) {
if (current !== null) {
// A class component without an instance only mounts if it suspended
// inside a non-concurrent tree, in an inconsistent state. We want to
// treat it like a new mount, even though an empty version of it already
// committed. Disconnect the alternate pointers.
current.alternate = null;
workInProgress.alternate = null;
// Since this is conceptually a new fiber, schedule a Placement effect
workInProgress.flags |= Placement;
}
resetIndeterminatePlacementForLegacyMode(current, workInProgress);

// In the initial pass we might need to construct the instance.
constructClassInstance(workInProgress, Component, nextProps);
mountClassInstance(workInProgress, Component, nextProps, renderLanes);
Expand Down Expand Up @@ -1469,16 +1461,7 @@ function mountLazyComponent(
elementType,
renderLanes,
) {
if (_current !== null) {
// A lazy component only mounts if it suspended inside a non-
// concurrent tree, in an inconsistent state. We want to treat it like
// a new mount, even though an empty version of it already committed.
// Disconnect the alternate pointers.
_current.alternate = null;
workInProgress.alternate = null;
// Since this is conceptually a new fiber, schedule a Placement effect
workInProgress.flags |= Placement;
}
resetIndeterminatePlacementForLegacyMode(_current, workInProgress);

const props = workInProgress.pendingProps;
const lazyComponent: LazyComponentType<any, any> = elementType;
Expand Down Expand Up @@ -1588,16 +1571,7 @@ function mountIncompleteClassComponent(
nextProps,
renderLanes,
) {
if (_current !== null) {
// An incomplete component only mounts if it suspended inside a non-
// concurrent tree, in an inconsistent state. We want to treat it like
// a new mount, even though an empty version of it already committed.
// Disconnect the alternate pointers.
_current.alternate = null;
workInProgress.alternate = null;
// Since this is conceptually a new fiber, schedule a Placement effect
workInProgress.flags |= Placement;
}
resetIndeterminatePlacementForLegacyMode(_current, workInProgress);

// Promote the fiber to a class and try rendering again.
workInProgress.tag = ClassComponent;
Expand Down Expand Up @@ -1635,16 +1609,7 @@ function mountIndeterminateComponent(
Component,
renderLanes,
) {
if (_current !== null) {
// An indeterminate component only mounts if it suspended inside a non-
// concurrent tree, in an inconsistent state. We want to treat it like
// a new mount, even though an empty version of it already committed.
// Disconnect the alternate pointers.
_current.alternate = null;
workInProgress.alternate = null;
// Since this is conceptually a new fiber, schedule a Placement effect
workInProgress.flags |= Placement;
}
resetIndeterminatePlacementForLegacyMode(_current, workInProgress);

const props = workInProgress.pendingProps;
let context;
Expand Down Expand Up @@ -3376,6 +3341,21 @@ export function checkIfWorkInProgressReceivedUpdate() {
return didReceiveUpdate;
}

function resetIndeterminatePlacementForLegacyMode(current, workInProgress) {
if ((workInProgress.mode & ConcurrentMode) === NoMode) {
if (current !== null) {
// A lazy component only mounts if it suspended inside a non-
// concurrent tree, in an inconsistent state. We want to treat it like
// a new mount, even though an empty version of it already committed.
// Disconnect the alternate pointers.
current.alternate = null;
workInProgress.alternate = null;
// Since this is conceptually a new fiber, schedule a Placement effect
workInProgress.flags |= Placement;
}
}
}

function bailoutOnAlreadyFinishedWork(
current: Fiber | null,
workInProgress: Fiber,
Expand Down