Angular infinite Scroller

An infinite scroll directive for Angular

Demo

https://stackblitz.com/github/AregSargsyan/infinite-scroll-demo/tree/main/scroller-demo

Step 1: Install angular-infinite-scroller

npm i angular11-infinite-scroller

Step 2: Import angular infinite-scroller module into your app module

....
import { NgaInfiniteScrollerModule } from 'angular11-infinite-scroller';

....

@NgModule({
    ...
    imports: [
        ....
        NgaInfiniteScrollerModule
    ],
    ....
})
export class AppModule { }

Step 3: Add ts code to the component

import { Component } from '@angular/core';

@Component({
  selector: 'app-root',
  template: `
  <div infiniteScroll (scrolled)="increaseingArray()" infiniteScrollDistance="0.8">
    <p *ngFor="let item of arr">{{item}}</p>
  </div>
  `,
  styles: [`div{height: 70vh; overflow-y: auto;}`]
})
export class AppComponent {
  arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50]

  increaseingArray() {
    console.log("scroll event triggered")
    for (let i = 0; i < 50; i++) {
      this.arr.push(this.arr[this.arr.length - 1] + 1)
    }
  }
}

API

Output	Description
scrolled()	This event fires when the distance threshold is reached when scrolling down

Input	Required	Description
infiniteScrollDistance	Optional	(Default=0.9) the bottom point of the scroll nob relatively to the container (i.e, 0.8 (0.8 * 100 = 80%) event is triggered when 80% has been scrolled).

Further help

In case of questions feel free to contact me https://linkedin.com/in/areg-sargsyan

License

MIT