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

Delete LanePriority type #21090

Merged
merged 1 commit into from
Mar 28, 2021
Merged

Delete LanePriority type #21090

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
57 changes: 0 additions & 57 deletions packages/react-reconciler/src/ReactFiberLane.new.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -37,28 +37,6 @@ export type LaneMap<T> = Array<T>;

import {enableCache, enableSchedulingProfiler} from 'shared/ReactFeatureFlags';

export const SyncLanePriority: LanePriority = 12;

const InputContinuousHydrationLanePriority: LanePriority = 11;
export const InputContinuousLanePriority: LanePriority = 10;

const DefaultHydrationLanePriority: LanePriority = 9;
export const DefaultLanePriority: LanePriority = 8;

const TransitionHydrationPriority: LanePriority = 7;
export const TransitionPriority: LanePriority = 6;

const RetryLanePriority: LanePriority = 5;

const SelectiveHydrationLanePriority: LanePriority = 4;

const IdleHydrationLanePriority: LanePriority = 3;
export const IdleLanePriority: LanePriority = 2;

const OffscreenLanePriority: LanePriority = 1;

export const NoLanePriority: LanePriority = 0;

// Lane values below should be kept in sync with getLabelsForLanes(), used by react-devtools-scheduling-profiler.
// If those values are changed that package should be rebuilt and redeployed.

Expand Down Expand Up @@ -162,29 +140,19 @@ export const NoTimestamp = -1;
let nextTransitionLane: Lane = TransitionLane1;
let nextRetryLane: Lane = RetryLane1;

// "Registers" used to "return" multiple values
// Used by getHighestPriorityLanes and getNextLanes:
let return_highestLanePriority: LanePriority = DefaultLanePriority;

function getHighestPriorityLanes(lanes: Lanes | Lane): Lanes {
switch (getHighestPriorityLane(lanes)) {
case SyncLane:
return_highestLanePriority = SyncLanePriority;
return SyncLane;
case InputContinuousHydrationLane:
return_highestLanePriority = InputContinuousHydrationLanePriority;
return InputContinuousHydrationLane;
case InputContinuousLane:
return_highestLanePriority = InputContinuousLanePriority;
return InputContinuousLane;
case DefaultHydrationLane:
return_highestLanePriority = DefaultHydrationLanePriority;
return DefaultHydrationLane;
case DefaultLane:
return_highestLanePriority = DefaultLanePriority;
return DefaultLane;
case TransitionHydrationLane:
return_highestLanePriority = TransitionHydrationPriority;
return TransitionHydrationLane;
case TransitionLane1:
case TransitionLane2:
Expand All @@ -202,26 +170,20 @@ function getHighestPriorityLanes(lanes: Lanes | Lane): Lanes {
case TransitionLane14:
case TransitionLane15:
case TransitionLane16:
return_highestLanePriority = TransitionPriority;
return lanes & TransitionLanes;
case RetryLane1:
case RetryLane2:
case RetryLane3:
case RetryLane4:
case RetryLane5:
return_highestLanePriority = RetryLanePriority;
return lanes & RetryLanes;
case SelectiveHydrationLane:
return_highestLanePriority = SelectiveHydrationLanePriority;
return SelectiveHydrationLane;
case IdleHydrationLane:
return_highestLanePriority = IdleHydrationLanePriority;
return IdleHydrationLane;
case IdleLane:
return_highestLanePriority = IdleLanePriority;
return IdleLane;
case OffscreenLane:
return_highestLanePriority = OffscreenLanePriority;
return OffscreenLane;
default:
if (__DEV__) {
Expand All @@ -230,7 +192,6 @@ function getHighestPriorityLanes(lanes: Lanes | Lane): Lanes {
);
}
// This shouldn't be reachable, but as a fallback, return the entire bitmask.
return_highestLanePriority = DefaultLanePriority;
return lanes;
}
}
Expand All @@ -239,12 +200,10 @@ export function getNextLanes(root: FiberRoot, wipLanes: Lanes): Lanes {
// Early bailout if there's no pending work left.
const pendingLanes = root.pendingLanes;
if (pendingLanes === NoLanes) {
return_highestLanePriority = NoLanePriority;
return NoLanes;
}

let nextLanes = NoLanes;
let nextLanePriority = NoLanePriority;

const suspendedLanes = root.suspendedLanes;
const pingedLanes = root.pingedLanes;
Expand All @@ -256,24 +215,20 @@ export function getNextLanes(root: FiberRoot, wipLanes: Lanes): Lanes {
const nonIdleUnblockedLanes = nonIdlePendingLanes & ~suspendedLanes;
if (nonIdleUnblockedLanes !== NoLanes) {
nextLanes = getHighestPriorityLanes(nonIdleUnblockedLanes);
nextLanePriority = return_highestLanePriority;
} else {
const nonIdlePingedLanes = nonIdlePendingLanes & pingedLanes;
if (nonIdlePingedLanes !== NoLanes) {
nextLanes = getHighestPriorityLanes(nonIdlePingedLanes);
nextLanePriority = return_highestLanePriority;
}
}
} else {
// The only remaining work is Idle.
const unblockedLanes = pendingLanes & ~suspendedLanes;
if (unblockedLanes !== NoLanes) {
nextLanes = getHighestPriorityLanes(unblockedLanes);
nextLanePriority = return_highestLanePriority;
} else {
if (pingedLanes !== NoLanes) {
nextLanes = getHighestPriorityLanes(pingedLanes);
nextLanePriority = return_highestLanePriority;
}
}
}
Expand Down Expand Up @@ -307,8 +262,6 @@ export function getNextLanes(root: FiberRoot, wipLanes: Lanes): Lanes {
) {
// Keep working on the existing in-progress tree. Do not interrupt.
return wipLanes;
} else {
return_highestLanePriority = nextLanePriority;
}
}

Expand Down Expand Up @@ -490,9 +443,6 @@ export function getLanesToRetrySynchronouslyOnError(root: FiberRoot): Lanes {
return NoLanes;
}

export function returnNextLanesPriority() {
return return_highestLanePriority;
}
export function includesNonIdleWork(lanes: Lanes) {
return (lanes & NonIdleLanes) !== NoLanes;
}
Expand Down Expand Up @@ -579,13 +529,6 @@ export function higherPriorityLane(a: Lane, b: Lane) {
return a !== NoLane && a < b ? a : b;
}

export function higherLanePriority(
a: LanePriority,
b: LanePriority,
): LanePriority {
return a !== NoLanePriority && a > b ? a : b;
}

export function createLaneMap<T>(initial: T): LaneMap<T> {
// Intentionally pushing one by one.
// https://v8.dev/blog/elements-kinds#avoid-creating-holes
Expand Down
57 changes: 0 additions & 57 deletions packages/react-reconciler/src/ReactFiberLane.old.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -37,28 +37,6 @@ export type LaneMap<T> = Array<T>;

import {enableCache, enableSchedulingProfiler} from 'shared/ReactFeatureFlags';

export const SyncLanePriority: LanePriority = 12;

const InputContinuousHydrationLanePriority: LanePriority = 11;
export const InputContinuousLanePriority: LanePriority = 10;

const DefaultHydrationLanePriority: LanePriority = 9;
export const DefaultLanePriority: LanePriority = 8;

const TransitionHydrationPriority: LanePriority = 7;
export const TransitionPriority: LanePriority = 6;

const RetryLanePriority: LanePriority = 5;

const SelectiveHydrationLanePriority: LanePriority = 4;

const IdleHydrationLanePriority: LanePriority = 3;
export const IdleLanePriority: LanePriority = 2;

const OffscreenLanePriority: LanePriority = 1;

export const NoLanePriority: LanePriority = 0;

// Lane values below should be kept in sync with getLabelsForLanes(), used by react-devtools-scheduling-profiler.
// If those values are changed that package should be rebuilt and redeployed.

Expand Down Expand Up @@ -162,29 +140,19 @@ export const NoTimestamp = -1;
let nextTransitionLane: Lane = TransitionLane1;
let nextRetryLane: Lane = RetryLane1;

// "Registers" used to "return" multiple values
// Used by getHighestPriorityLanes and getNextLanes:
let return_highestLanePriority: LanePriority = DefaultLanePriority;

function getHighestPriorityLanes(lanes: Lanes | Lane): Lanes {
switch (getHighestPriorityLane(lanes)) {
case SyncLane:
return_highestLanePriority = SyncLanePriority;
return SyncLane;
case InputContinuousHydrationLane:
return_highestLanePriority = InputContinuousHydrationLanePriority;
return InputContinuousHydrationLane;
case InputContinuousLane:
return_highestLanePriority = InputContinuousLanePriority;
return InputContinuousLane;
case DefaultHydrationLane:
return_highestLanePriority = DefaultHydrationLanePriority;
return DefaultHydrationLane;
case DefaultLane:
return_highestLanePriority = DefaultLanePriority;
return DefaultLane;
case TransitionHydrationLane:
return_highestLanePriority = TransitionHydrationPriority;
return TransitionHydrationLane;
case TransitionLane1:
case TransitionLane2:
Expand All @@ -202,26 +170,20 @@ function getHighestPriorityLanes(lanes: Lanes | Lane): Lanes {
case TransitionLane14:
case TransitionLane15:
case TransitionLane16:
return_highestLanePriority = TransitionPriority;
return lanes & TransitionLanes;
case RetryLane1:
case RetryLane2:
case RetryLane3:
case RetryLane4:
case RetryLane5:
return_highestLanePriority = RetryLanePriority;
return lanes & RetryLanes;
case SelectiveHydrationLane:
return_highestLanePriority = SelectiveHydrationLanePriority;
return SelectiveHydrationLane;
case IdleHydrationLane:
return_highestLanePriority = IdleHydrationLanePriority;
return IdleHydrationLane;
case IdleLane:
return_highestLanePriority = IdleLanePriority;
return IdleLane;
case OffscreenLane:
return_highestLanePriority = OffscreenLanePriority;
return OffscreenLane;
default:
if (__DEV__) {
Expand All @@ -230,7 +192,6 @@ function getHighestPriorityLanes(lanes: Lanes | Lane): Lanes {
);
}
// This shouldn't be reachable, but as a fallback, return the entire bitmask.
return_highestLanePriority = DefaultLanePriority;
return lanes;
}
}
Expand All @@ -239,12 +200,10 @@ export function getNextLanes(root: FiberRoot, wipLanes: Lanes): Lanes {
// Early bailout if there's no pending work left.
const pendingLanes = root.pendingLanes;
if (pendingLanes === NoLanes) {
return_highestLanePriority = NoLanePriority;
return NoLanes;
}

let nextLanes = NoLanes;
let nextLanePriority = NoLanePriority;

const suspendedLanes = root.suspendedLanes;
const pingedLanes = root.pingedLanes;
Expand All @@ -256,24 +215,20 @@ export function getNextLanes(root: FiberRoot, wipLanes: Lanes): Lanes {
const nonIdleUnblockedLanes = nonIdlePendingLanes & ~suspendedLanes;
if (nonIdleUnblockedLanes !== NoLanes) {
nextLanes = getHighestPriorityLanes(nonIdleUnblockedLanes);
nextLanePriority = return_highestLanePriority;
} else {
const nonIdlePingedLanes = nonIdlePendingLanes & pingedLanes;
if (nonIdlePingedLanes !== NoLanes) {
nextLanes = getHighestPriorityLanes(nonIdlePingedLanes);
nextLanePriority = return_highestLanePriority;
}
}
} else {
// The only remaining work is Idle.
const unblockedLanes = pendingLanes & ~suspendedLanes;
if (unblockedLanes !== NoLanes) {
nextLanes = getHighestPriorityLanes(unblockedLanes);
nextLanePriority = return_highestLanePriority;
} else {
if (pingedLanes !== NoLanes) {
nextLanes = getHighestPriorityLanes(pingedLanes);
nextLanePriority = return_highestLanePriority;
}
}
}
Expand Down Expand Up @@ -307,8 +262,6 @@ export function getNextLanes(root: FiberRoot, wipLanes: Lanes): Lanes {
) {
// Keep working on the existing in-progress tree. Do not interrupt.
return wipLanes;
} else {
return_highestLanePriority = nextLanePriority;
}
}

Expand Down Expand Up @@ -490,9 +443,6 @@ export function getLanesToRetrySynchronouslyOnError(root: FiberRoot): Lanes {
return NoLanes;
}

export function returnNextLanesPriority() {
return return_highestLanePriority;
}
export function includesNonIdleWork(lanes: Lanes) {
return (lanes & NonIdleLanes) !== NoLanes;
}
Expand Down Expand Up @@ -579,13 +529,6 @@ export function higherPriorityLane(a: Lane, b: Lane) {
return a !== NoLane && a < b ? a : b;
}

export function higherLanePriority(
a: LanePriority,
b: LanePriority,
): LanePriority {
return a !== NoLanePriority && a > b ? a : b;
}

export function createLaneMap<T>(initial: T): LaneMap<T> {
// Intentionally pushing one by one.
// https://v8.dev/blog/elements-kinds#avoid-creating-holes
Expand Down