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feat(core): deprecate integration with the Web Tracing Framework (WTF) (#30642)

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DEPRECATION:

Angular previously has supported an integration with the Web Tracing
Framework (WTF) for performance testing of Angular applications. This
integration has not been maintained and likely does not work for the
majority of Angular applications today. As a result, we are deprecating
the integration in Angular version 8.

This deprecation covers the following public APIs:
* `WtfScopeFn`
* `wtfCreateScope`
* `wtfStartTimeRange`
* `wtfEndTimeRange`
* `wtfLeave`

FW-1338 #resolve

PR Close #30642
This commit is contained in:
Alex Rickabaugh
2019-05-23 12:28:12 -07:00
committed by Jason Aden
parent b5c893916d
commit f310a5960e
4 changed files with 21 additions and 0 deletions
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11
aio/content/guide/deprecations.md
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@ -101,6 +101,11 @@ Tip: In the [API reference section](api) of this doc site, deprecated APIs are i
| [`Renderer`](api/core/Renderer) | [`Renderer2`](api/core/Renderer2) | v4 | none |
| [`RootRenderer`](api/core/RootRenderer) | [`RendererFactory2`](api/core/RendererFactory2) | v4 | none |
| [`ViewEncapsulation.Native`](api/core/ViewEncapsulation#Native) | [`ViewEncapsulation.ShadowDom`](api/core/ViewEncapsulation#ShadowDom) | v6 | Use the native encapsulation mechanism of the renderer. See [view.ts](https://github.com/angular/angular/blob/3e992e18ebf51d6036818f26c3d77b52d3ec48eb/packages/core/src/metadata/view.ts#L32).
| [`WtfScopeFn`](api/core/WtfScopeFn) | none | v8 | See [Web Tracing Framework](#wtf) |
| [`wtfCreateScope`](api/core/wtfCreateScope) | none | v8 | See [Web Tracing Framework](#wtf) |
| [`wtfStartTimeRange`](api/core/wtfStartTimeRange) | none | v8 | See [Web Tracing Framework](#wtf) |
| [`wtfEndTimeRange`](api/core/wtfEndTimeRange) | none | v8 | See [Web Tracing Framework](#wtf) |
| [`wtfLeave`](api/core/wtfLeave) | none | v8 | See [Web Tracing Framework](#wtf) |
{@a forms}
@ -142,6 +147,12 @@ This section lists all of the currently-deprecated features, which includes temp
{@a wtf}
### Web Tracing Framework integration
Angular previously has supported an integration with the Web Tracing Framework (WTF) for performance testing of Angular applications. This integration has not been maintained and likely does not work for the majority of Angular applications today. As a result, we are deprecating the integration in Angular version 8.
{@a deep-component-style-selector}
### `/deep/`, `>>>` and `:ng-deep` component style selectors