Triggers change detection with OnPush strategy even if it is manually triggered from outside.

ChangeDetectorRef.ts

import { Component, EventEmitter, Input, Output, ChangeDetectionStrategy, ChangeDetectorRef } from '@angular/core';

@Component({
  selector: 'display',
  templateUrl: './display.component.html',
  styleUrls: ['./display.component.css'],
  changeDetection: ChangeDetectionStrategy.OnPush
})
export class DisplayComponent {
  constructor(private changeDetectorRef: ChangeDetectorRef) {
  }

  @Input() set dynamicInputUpdateCount(inputData: string) {
    this._dynamicInputUpdateCount = inputData;
    this.changeDetectorRef.detectChanges();
  }
  @Input() componentDescription: string;
  @Input() inputData: string;
  _dynamicInputUpdateCount: string;
  

  @Output() dataUpdated = new EventEmitter<string>();
}