typescript myngclass-7.ts

Posted 2021-05-20

@Directive({
  selector: '[myNgClass]'
})
export class MyNgClassDirective {
  @Input() myNgClass = {};
  private differ: KeyValueDiffer<any, any>;

  constructor(private differs: KeyValueDiffers) {
    this.differ = this.differs.find(this.myNgClass).create();
  }

  ngOnInit() {
    ...add the initial classes
  }
}