Closed
Description
Which @angular/* package(s) are the source of the bug?
animations
Is this a regression?
No
Description
a simple reproduction
app.config.ts
export const appConfig: ApplicationConfig = {
providers: [provideAnimationsAsync(), ɵprovideZonelessChangeDetection()]
};
app.component.ts
@Component({
selector: 'app-root',
standalone: true,
imports: [],
templateUrl: './app.component.html',
styleUrl: './app.component.scss',
changeDetection: ChangeDetectionStrategy.OnPush,
animations: [
trigger('highlight', [
state('false', style({ 'background-color': 'red', color: 'white' })),
])
]
})
export class AppComponent {
highlight = signal(false);
}
app.component.html
<h1 [@highlight]="highlight()">Hello World</h1>
results:
if no apply ɵprovideZonelessChangeDetection()

if apply ɵprovideZonelessChangeDetection()

Please provide a link to a minimal reproduction of the bug
https://github.com/keatkeat87/zoneless-animation-issue
Please provide the exception or error you saw
No response
Please provide the environment you discovered this bug in (run ng version)
Angular CLI: 17.3.0
Node: 20.11.1
Package Manager: yarn 1.22.19
OS: win32 x64
Angular: 17.3.0
... animations, cli, common, compiler, compiler-cli, core, forms
... platform-browser, platform-browser-dynamic, router
Package Version
---------------------------------------------------------
@angular-devkit/architect 0.1703.0
@angular-devkit/build-angular 17.3.0
@angular-devkit/core 17.3.0
@angular-devkit/schematics 17.3.0
@schematics/angular 17.3.0
rxjs 7.8.1
typescript 5.4.2
zone.js 0.14.4
Anything else?
No response
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A relatively minor issue that is not relevant to core functionsA relatively minor issue that is not relevant to core functionsIssues related to the framework runtimeIssues related to the framework runtime