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ngx-scroll-event
Advanced tools
# ngx-scroll-event An Angular 2+ directive to emit an event if scroll occurs on an element or window.
An Angular 2+ directive to emit an event if scroll occurs on an element or window.
npm install ngx-scroll-event --save
yarn add ngx-scroll-event
Import ScrollEvent and add it to the imports array of your module.
// app.module.ts
import { NgxScrollEventModule } from 'ngx-scroll-event';
@NgModule({
imports: [
...,
NgxScrollEventModule,
...,
]
})
export class AppModule { }
In your template you may now add the libScrollEvent
attribute and (onscroll)
event to any element.
you can also add [bottomOffset]
or [topOffset]
to change when reaching bottom or top detection, bot values defaults to 100px, the value should be a number in pixels.
// app.awesome.component.ts
...
import { NgxScrollEvent } from 'ngx-scroll-event';
...
@Component({
...
template: `...
<div libScrollEvent (onscroll)="handleScroll($event)" [bottomOffset]="200" [topOffset]="200" >
<div>Bla bla bla</div>
<div>Bla bla bla</div>
<div>Bla bla bla</div>
<div>Bla bla bla</div>
<div>Bla bla bla</div>
<div>Bla bla bla</div>
<div>Bla bla bla</div>
<div>Bla bla bla</div>
<div>Bla bla bla</div>
<div>
...`,
})
export class AwesomeComponent {
public handleScroll(event: NgxScrollEvent) {
console.log('scroll occurred', event.originalEvent);
if (event.isReachingBottom) {
console.log(`the user is reaching the bottom`);
}
if (event.isReachingTop) {
console.log(`the user is reaching the top`);
}
if (event.isWindowEvent) {
console.log(`This event is fired on Window not on an element.`);
}
}
}
Run ng generate component component-name --project ngx-scroll-event
to generate a new component. You can also use ng generate directive|pipe|service|class|guard|interface|enum|module --project ngx-scroll-event
.
Note: Don't forget to add
--project ngx-scroll-event
or else it will be added to the default project in yourangular.json
file.
Run ng build ngx-scroll-event
to build the project. The build artifacts will be stored in the dist/
directory.
After building your library with ng build ngx-scroll-event
, go to the dist folder cd dist/ngx-scroll-event
and run npm publish
.
Run ng test ngx-scroll-event
to execute the unit tests via Karma.
To get more help on the Angular CLI use ng help
or go check out the Angular CLI README.
FAQs
# ngx-scroll-event An Angular 2+ directive to emit an event if scroll occurs on an element or window.
The npm package ngx-scroll-event receives a total of 1,082 weekly downloads. As such, ngx-scroll-event popularity was classified as popular.
We found that ngx-scroll-event demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 4 open source maintainers collaborating on the project.
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