feat: added particles loaded event to angular component

components/angular/projects/ng-particles/src/lib/ng-particles.component.ts

@@ -1,21 +1,25 @@
-import { Component, Input, OnInit } from '@angular/core';
+import { AfterViewInit, Component, EventEmitter, Input, Output } from '@angular/core';
 import { tsParticles } from 'tsparticles';
 import { IParticlesParams } from './ng-particles.module';
+import { Container } from "tsparticles/dist/Core/Container";
 
 @Component({
     selector: 'Particles',
     template: `
-        <div [id]="id"></div> `,
+      <div [id]="id"></div>`,
     styles: []
 })
-export class NgParticlesComponent implements OnInit {
+export class NgParticlesComponent implements AfterViewInit {
     constructor() {
     }
 
     @Input() options: IParticlesParams;
     @Input() id: string;
+    @Output() particlesLoaded: EventEmitter<Container> = new EventEmitter<Container>();
 
-    ngOnInit(): void {
-        tsParticles.load(this.id, this.options);
+    ngAfterViewInit(): void {
+        tsParticles.load(this.id, this.options).then(container => {
+            this.particlesLoaded.emit(container);
+        });
     }
 }