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fix(material/tabs): avoid timeouts in background tabs #24000

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merged 1 commit into from
Mar 10, 2022

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The tabs have a couple of requestAnimationFrame calls when checking for the size/position of elements which can cause tests to hang when they're in a background tab. The problem is that browsers block requestAnimationFrame when the browser is out of focus and test harnesses will wait for the call to resolve.

These changes switch to NgZone.onStable in an attempt to resolve the issue.

Fixes #23964.

@crisbeto crisbeto added P3 An issue that is relevant to core functions, but does not impede progress. Important, but not urgent target: patch This PR is targeted for the next patch release labels Nov 22, 2021
@crisbeto crisbeto requested a review from mmalerba November 22, 2021 06:33
@google-cla google-cla bot added the cla: yes PR author has agreed to Google's Contributor License Agreement label Nov 22, 2021
import {ObserversModule, MutationObserverFactory} from '@angular/cdk/observers';

describe('MDC-based MatTabHeader', () => {
let dir: Direction = 'ltr';
let change = new Subject();
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I deleted this, because it wasn't actually doing anything. There's a dir directive instance in the test which supersedes it.

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LGTM

@mmalerba mmalerba added the action: merge The PR is ready for merge by the caretaker label Nov 30, 2021
@andrewseguin andrewseguin removed the cla: yes PR author has agreed to Google's Contributor License Agreement label Dec 28, 2021
@googlebot googlebot added the cla: yes PR author has agreed to Google's Contributor License Agreement label Dec 29, 2021
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Can we merge it?

The tabs have a couple of `requestAnimationFrame` calls when checking for the size/position of elements which can cause tests to hang when they're in a background tab. The problem is that browsers block `requestAnimationFrame` when the browser is out of focus and test harnesses will wait for the call to resolve.

These changes switch to `NgZone.onStable` in an attempt to resolve the issue.

Fixes angular#23964.
@crisbeto crisbeto force-pushed the 23964/tabs-background-timeout branch from e22b745 to 6ec3e48 Compare March 9, 2022 09:21
@crisbeto crisbeto merged commit 9e06e4a into angular:master Mar 10, 2022
crisbeto added a commit that referenced this pull request Mar 10, 2022
The tabs have a couple of `requestAnimationFrame` calls when checking for the size/position of elements which can cause tests to hang when they're in a background tab. The problem is that browsers block `requestAnimationFrame` when the browser is out of focus and test harnesses will wait for the call to resolve.

These changes switch to `NgZone.onStable` in an attempt to resolve the issue.

Fixes #23964.

(cherry picked from commit 9e06e4a)
crapStone pushed a commit to Calciumdibromid/CaBr2 that referenced this pull request Mar 23, 2022
This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [@angular/cdk](https://github.com/angular/components) | dependencies | minor | [`13.2.6` -> `13.3.0`](https://renovatebot.com/diffs/npm/@angular%2fcdk/13.2.6/13.3.0) |
| [@angular/material](https://github.com/angular/components) | dependencies | minor | [`13.2.6` -> `13.3.0`](https://renovatebot.com/diffs/npm/@angular%2fmaterial/13.2.6/13.3.0) |

---

### Release Notes

<details>
<summary>angular/components</summary>

### [`v13.3.0`](https://github.com/angular/components/blob/HEAD/CHANGELOG.md#&#8203;1330-aluminum-armadillo-2022-03-16)

[Compare Source](angular/components@13.2.6...13.3.0)

##### cdk

| Commit | Type | Description |
| -- | -- | -- |
| [e4c64dd56](angular/components@e4c64dd) | fix | **drag-drop:** only block dragstart event on event targets ([#&#8203;24581](angular/components#24581)) |

##### material

| Commit | Type | Description |
| -- | -- | -- |
| [33d07df95](angular/components@33d07df) | fix | **badge:** ensure overflow visible ([#&#8203;24602](angular/components#24602)) |
| [dfef17351](angular/components@dfef173) | fix | **datepicker:** fix Voiceover losing focus on PageDown ([#&#8203;24399](angular/components#24399)) |
| [1703b83ae](angular/components@1703b83) | fix | **datepicker:** use cdk-visually-hidden on calendar header ([#&#8203;24523](angular/components#24523)) |
| [41320d07e](angular/components@41320d0) | fix | **tabs:** avoid timeouts in background tabs ([#&#8203;24000](angular/components#24000)) |

##### material-experimental

| Commit | Type | Description |
| -- | -- | -- |
| [097ec0d11](angular/components@097ec0d) | fix | **mdc-core:** add app background color ([#&#8203;22992](angular/components#22992)) |
| [15a0676d5](angular/components@15a0676) | fix | **mdc-radio:** add hover indication ([#&#8203;24595](angular/components#24595)) |

#### Special Thanks

Andrew Seguin, Kristiyan Kostadinov, Paul Gschwendtner and Zach Arend

<!-- CHANGELOG SPLIT MARKER -->

</details>

---

### Configuration

📅 **Schedule**: At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about these updates again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, click this checkbox.

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).

Co-authored-by: cabr2-bot <[email protected]>
Reviewed-on: https://codeberg.org/Calciumdibromid/CaBr2/pulls/1229
Reviewed-by: Epsilon_02 <[email protected]>
Co-authored-by: Calciumdibromid Bot <[email protected]>
Co-committed-by: Calciumdibromid Bot <[email protected]>
forsti0506 pushed a commit to forsti0506/components that referenced this pull request Apr 3, 2022
The tabs have a couple of `requestAnimationFrame` calls when checking for the size/position of elements which can cause tests to hang when they're in a background tab. The problem is that browsers block `requestAnimationFrame` when the browser is out of focus and test harnesses will wait for the call to resolve.

These changes switch to `NgZone.onStable` in an attempt to resolve the issue.

Fixes angular#23964.
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action: merge The PR is ready for merge by the caretaker cla: yes PR author has agreed to Google's Contributor License Agreement P3 An issue that is relevant to core functions, but does not impede progress. Important, but not urgent target: patch This PR is targeted for the next patch release
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bug(mat-tab-nav-bar): Having mat-tab-nav-bar on the page breaks harnesses if browser is not visible
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