How to use getHighestPriorityLane method in Playwright Internal

Best JavaScript code snippet using playwright-internal

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ReactEventPriorities.old.js

Source: ReactEventPriorities.old.js Github

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1/**
2 * Copyright (c) Facebook, Inc. and its affiliates.
3 *
4 * This source code is licensed under the MIT license found in the
5 * LICENSE file in the root directory of this source tree.
6 *
7 * @flow
8 */
9
10import type {Lane, Lanes} from './ReactFiberLane.old';
11
12import {
13  NoLane,
14  SyncLane,
15  InputContinuousLane,
16  DefaultLane,
17  IdleLane,
18  getHighestPriorityLane,
19  includesNonIdleWork,
20} from './ReactFiberLane.old';
21
22export opaque type EventPriority = Lane;
23
24export const DiscreteEventPriority: EventPriority = SyncLane;
25export const ContinuousEventPriority: EventPriority = InputContinuousLane;
26export const DefaultEventPriority: EventPriority = DefaultLane;
27export const IdleEventPriority: EventPriority = IdleLane;
28
29let currentUpdatePriority: EventPriority = NoLane;
30
31export function getCurrentUpdatePriority(): EventPriority {
32  return currentUpdatePriority;
33}
34
35export function setCurrentUpdatePriority(newPriority: EventPriority) {
36  currentUpdatePriority = newPriority;
37}
38
39export function runWithPriority<T>(priority: EventPriority, fn: () => T): T {
40  const previousPriority = currentUpdatePriority;
41  try {
42    currentUpdatePriority = priority;
43    return fn();
44  } finally {
45    currentUpdatePriority = previousPriority;
46  }
47}
48
49export function higherEventPriority(
50  a: EventPriority,
51  b: EventPriority,
52): EventPriority {
53  return a !== 0 && a < b ? a : b;
54}
55
56export function isHigherEventPriority(
57  a: EventPriority,
58  b: EventPriority,
59): boolean {
60  return a !== 0 && a < b;
61}
62
63export function lanesToEventPriority(lanes: Lanes): EventPriority {
64  const lane = getHighestPriorityLane(lanes);
65  if (!isHigherEventPriority(DiscreteEventPriority, lane)) {
66    return DiscreteEventPriority;
67  }
68  if (!isHigherEventPriority(ContinuousEventPriority, lane)) {
69    return ContinuousEventPriority;
70  }
71  if (includesNonIdleWork(lane)) {
72    return DefaultEventPriority;
73  }
74  return IdleEventPriority;
75}
76
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ReactEventPriorities.new.js

Source: ReactEventPriorities.new.js Github

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1/**
2 * Copyright (c) Facebook, Inc. and its affiliates.
3 *
4 * This source code is licensed under the MIT license found in the
5 * LICENSE file in the root directory of this source tree.
6 *
7 * @flow
8 */
9
10import type {Lane, Lanes} from './ReactFiberLane.new';
11
12import {
13  NoLane,
14  SyncLane,
15  InputContinuousLane,
16  DefaultLane,
17  IdleLane,
18  getHighestPriorityLane,
19  includesNonIdleWork,
20} from './ReactFiberLane.new';
21
22export opaque type EventPriority = Lane;
23
24export const DiscreteEventPriority: EventPriority = SyncLane;
25export const ContinuousEventPriority: EventPriority = InputContinuousLane;
26export const DefaultEventPriority: EventPriority = DefaultLane;
27export const IdleEventPriority: EventPriority = IdleLane;
28
29let currentUpdatePriority: EventPriority = NoLane;
30
31export function getCurrentUpdatePriority(): EventPriority {
32  return currentUpdatePriority;
33}
34
35export function setCurrentUpdatePriority(newPriority: EventPriority) {
36  currentUpdatePriority = newPriority;
37}
38
39export function runWithPriority<T>(priority: EventPriority, fn: () => T): T {
40  const previousPriority = currentUpdatePriority;
41  try {
42    currentUpdatePriority = priority;
43    return fn();
44  } finally {
45    currentUpdatePriority = previousPriority;
46  }
47}
48
49export function higherEventPriority(
50  a: EventPriority,
51  b: EventPriority,
52): EventPriority {
53  return a !== 0 && a < b ? a : b;
54}
55
56export function isHigherEventPriority(
57  a: EventPriority,
58  b: EventPriority,
59): boolean {
60  return a !== 0 && a < b;
61}
62
63export function lanesToEventPriority(lanes: Lanes): EventPriority {
64  const lane = getHighestPriorityLane(lanes);
65  if (!isHigherEventPriority(DiscreteEventPriority, lane)) {
66    return DiscreteEventPriority;
67  }
68  if (!isHigherEventPriority(ContinuousEventPriority, lane)) {
69    return ContinuousEventPriority;
70  }
71  if (includesNonIdleWork(lane)) {
72    return DefaultEventPriority;
73  }
74  return IdleEventPriority;
75}
76
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