Convert image from number[] to base64

app.component.html

<img [imageData]="imageAsNumberArray" />

image-data.directive.ts

import { Directive, ElementRef, Input } from '@angular/core';
import { Image } from '../../models/avis';
import {Buffer} from 'buffer';
@Directive({
  selector: '[imageData]'
})
export class ImageDataDirective {
  @Input() imageData!: Image;

  constructor(private el: ElementRef) {}

  ngOnChanges() {
    this.el.nativeElement.src ='data:image/jpeg;base64,' + Buffer.from(this.imageData.data).toString('base64');
  }
}